From 140783ef66eef379feedcfef5403c5729d38936a Mon Sep 17 00:00:00 2001 From: Amaury Pouly Date: Sat, 13 Jul 2013 17:35:53 +0200 Subject: hwstub: split target specific code from the common part Completely rewrite the Mafile, properly put the usb driver in its own file and the target specific files in a subdirectory. Change-Id: Iaeee0128e021d5dad76b4d6035a63e33e2d946c1 --- utils/hwstub/stmp/Makefile | 74 --- utils/hwstub/stmp/config.h | 56 -- utils/hwstub/stmp/crt0.S | 17 - utils/hwstub/stmp/format.c | 223 ------- utils/hwstub/stmp/format.h | 29 - utils/hwstub/stmp/hwstub.db | 31 - utils/hwstub/stmp/hwstub.lds | 71 -- utils/hwstub/stmp/logf.c | 68 -- utils/hwstub/stmp/logf.h | 31 - utils/hwstub/stmp/main.c | 1105 -------------------------------- utils/hwstub/stmp/memcpy.S | 176 ----- utils/hwstub/stmp/memmove.S | 190 ------ utils/hwstub/stmp/memset.S | 98 --- utils/hwstub/stmp/protocol.h | 1 - utils/hwstub/stmp/stddef.h | 32 - utils/hwstub/stmp/stdint.h | 38 -- utils/hwstub/stmp/string.c | 29 - utils/hwstub/stmp/string.h | 30 - utils/hwstub/stmp/system.h | 118 ---- utils/hwstub/stmp/usb_ch9.h | 454 ------------- utils/hwstub/stub/SOURCES | 12 + utils/hwstub/stub/config.h | 49 ++ utils/hwstub/stub/crt0.S | 17 + utils/hwstub/stub/format.c | 223 +++++++ utils/hwstub/stub/format.h | 29 + utils/hwstub/stub/hwstub.lds | 71 ++ utils/hwstub/stub/hwstub.make | 49 ++ utils/hwstub/stub/logf.c | 69 ++ utils/hwstub/stub/logf.h | 31 + utils/hwstub/stub/memcpy.S | 176 +++++ utils/hwstub/stub/memmove.S | 190 ++++++ utils/hwstub/stub/memory.h | 30 + utils/hwstub/stub/memset.S | 98 +++ utils/hwstub/stub/protocol.h | 1 + utils/hwstub/stub/stddef.h | 32 + utils/hwstub/stub/stdint.h | 40 ++ utils/hwstub/stub/stmp/Makefile | 14 + utils/hwstub/stub/stmp/target-config.h | 9 + utils/hwstub/stub/stmp/target.c | 205 ++++++ utils/hwstub/stub/string.c | 29 + utils/hwstub/stub/string.h | 28 + utils/hwstub/stub/system.h | 118 ++++ utils/hwstub/stub/target.h | 31 + utils/hwstub/stub/usb_ch9.h | 454 +++++++++++++ utils/hwstub/stub/usb_drv.h | 47 ++ utils/hwstub/stub/usb_drv_arc.c | 364 +++++++++++ 46 files changed, 2416 insertions(+), 2871 deletions(-) delete mode 100644 utils/hwstub/stmp/Makefile delete mode 100644 utils/hwstub/stmp/config.h delete mode 100644 utils/hwstub/stmp/crt0.S delete mode 100644 utils/hwstub/stmp/format.c delete mode 100644 utils/hwstub/stmp/format.h delete mode 100644 utils/hwstub/stmp/hwstub.db delete mode 100644 utils/hwstub/stmp/hwstub.lds delete mode 100644 utils/hwstub/stmp/logf.c delete mode 100644 utils/hwstub/stmp/logf.h delete mode 100644 utils/hwstub/stmp/main.c delete mode 100644 utils/hwstub/stmp/memcpy.S delete mode 100644 utils/hwstub/stmp/memmove.S delete mode 100644 utils/hwstub/stmp/memset.S delete mode 100644 utils/hwstub/stmp/protocol.h delete mode 100644 utils/hwstub/stmp/stddef.h delete mode 100644 utils/hwstub/stmp/stdint.h delete mode 100644 utils/hwstub/stmp/string.c delete mode 100644 utils/hwstub/stmp/string.h delete mode 100644 utils/hwstub/stmp/system.h delete mode 100644 utils/hwstub/stmp/usb_ch9.h create mode 100644 utils/hwstub/stub/SOURCES create mode 100644 utils/hwstub/stub/config.h create mode 100644 utils/hwstub/stub/crt0.S create mode 100644 utils/hwstub/stub/format.c create mode 100644 utils/hwstub/stub/format.h create mode 100644 utils/hwstub/stub/hwstub.lds create mode 100644 utils/hwstub/stub/hwstub.make create mode 100644 utils/hwstub/stub/logf.c create mode 100644 utils/hwstub/stub/logf.h create mode 100644 utils/hwstub/stub/memcpy.S create mode 100644 utils/hwstub/stub/memmove.S create mode 100644 utils/hwstub/stub/memory.h create mode 100644 utils/hwstub/stub/memset.S create mode 100644 utils/hwstub/stub/protocol.h create mode 100644 utils/hwstub/stub/stddef.h create mode 100644 utils/hwstub/stub/stdint.h create mode 100644 utils/hwstub/stub/stmp/Makefile create mode 100644 utils/hwstub/stub/stmp/target-config.h create mode 100644 utils/hwstub/stub/stmp/target.c create mode 100644 utils/hwstub/stub/string.c create mode 100644 utils/hwstub/stub/string.h create mode 100644 utils/hwstub/stub/system.h create mode 100644 utils/hwstub/stub/target.h create mode 100644 utils/hwstub/stub/usb_ch9.h create mode 100644 utils/hwstub/stub/usb_drv.h create mode 100644 utils/hwstub/stub/usb_drv_arc.c (limited to 'utils/hwstub') diff --git a/utils/hwstub/stmp/Makefile b/utils/hwstub/stmp/Makefile deleted file mode 100644 index 4185dcbbc9..0000000000 --- a/utils/hwstub/stmp/Makefile +++ /dev/null @@ -1,74 +0,0 @@ -# -# common -# -CC=arm-elf-eabi-gcc -LD=arm-elf-eabi-gcc -AS=arm-elf-eabi-gcc -OC=arm-elf-eabi-objcopy -CFLAGS=-W -Wall -Wundef -O -nostdlib -ffreestanding -Wstrict-prototypes -pipe -std=gnu99 -mcpu=arm926ej-s -fomit-frame-pointer -Wno-pointer-sign -Wno-override-init -ffunction-sections -ASFLAGS=$(CFLAGS) -D__ASSEMBLER__ -OCFLAGS= -LINKER_FILE=hwstub.lds -TMP_LDS=link.lds -TMP_MAP=hwstub.map -LDFLAGS=-lgcc -Os -nostdlib -T$(TMP_LDS) -Wl,-Map,$(TMP_MAP) -SRC_C=$(wildcard *.c) -SRC_S=$(wildcard *.S) -OBJ_C=$(SRC_C:.c=.o) -OBJ_S=$(SRC_S:.S=.o) -OBJ=$(OBJ_C) $(OBJ_S) -OBJ_EXCEPT_CRT0=$(filter-out crt0.o,$(OBJ)) -DEPS=$(OBJ:.o=.d) -EXEC_ELF=hwstub.elf - -# -# image production -# -TOOLS=../../../tools -SBTOOLS=../../imxtools/sbtools - -# sb (stmp37xx) -EXEC_SB=hwstub.sb -ELF2SB=$(SBTOOLS)/elftosb -d -ELF2SB_CMD=-c hwstub.db -ELF2SB_KEY?=-z - -# sb1 (stmp36xx) -EXEC_SB1=hwstub.sb1 -ELF2SB1_CMD=-loadjump $(EXEC_ELF) -ELF2SB1_KEY?= -ELF2SB1=$(SBTOOLS)/elftosb1 -d - -EXEC=$(EXEC_ELF) $(EXEC_SB) $(EXEC_SB1) - -all: $(EXEC) - -# pull in dependency info for *existing* .o files --include $(DEPS) - -%.o: %.c - $(CC) $(CFLAGS) -c -o $@ $< - $(CC) -MM $(CFLAGS) $*.c > $*.d - @cp -f $*.d $*.d.tmp - @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \ - sed -e 's/^ *//' -e 's/$$/:/' >> $*.d - @rm -f $*.d.tmp - -%.o: %.S - $(AS) $(ASFLAGS) -c -o $@ $< - -$(TMP_LDS): $(LINKER_FILE) - $(CC) -E -x c - < $< | sed '/#/d' > $@ - -$(EXEC_ELF): $(OBJ) $(TMP_LDS) - $(LD) $(LDFLAGS) -o $@ $(OBJ_EXCEPT_CRT0) - -$(EXEC_SB): $(EXEC_ELF) - $(ELF2SB) $(ELF2SB_CMD) $(ELF2SB_KEY) -o $@ - -$(EXEC_SB1): $(EXEC_ELF) - $(ELF2SB1) $(ELF2SB1_CMD) $(ELF2SB1_KEY) -o $@ - -clean: - rm -rf $(OBJ) $(DEPS) $(EXEC) $(TMP_LDS) $(TMP_MAP) - diff --git a/utils/hwstub/stmp/config.h b/utils/hwstub/stmp/config.h deleted file mode 100644 index 9d6de07f33..0000000000 --- a/utils/hwstub/stmp/config.h +++ /dev/null @@ -1,56 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef __HWSTUB_CONFIG__ -#define __HWSTUB_CONFIG__ - -#define MEMORYSIZE 0 -#define STACK_SIZE 0x1000 -#define MAX_LOGF_SIZE 128 - -#define IRAM_ORIG 0 -#define IRAM_SIZE 0x8000 -#define DRAM_ORIG 0x40000000 -#define DRAM_SIZE (MEMORYSIZE * 0x100000) - -#define CPU_ARM -#define ARM_ARCH 5 - -#if defined(CPU_ARM) && defined(__ASSEMBLER__) -/* ARMv4T doesn't switch the T bit when popping pc directly, we must use BX */ -.macro ldmpc cond="", order="ia", regs -#if ARM_ARCH == 4 && defined(USE_THUMB) - ldm\cond\order sp!, { \regs, lr } - bx\cond lr -#else - ldm\cond\order sp!, { \regs, pc } -#endif -.endm -.macro ldrpc cond="" -#if ARM_ARCH == 4 && defined(USE_THUMB) - ldr\cond lr, [sp], #4 - bx\cond lr -#else - ldr\cond pc, [sp], #4 -#endif -.endm -#endif - -#endif /* __HWSTUB_CONFIG__ */ diff --git a/utils/hwstub/stmp/crt0.S b/utils/hwstub/stmp/crt0.S deleted file mode 100644 index e2d4742d36..0000000000 --- a/utils/hwstub/stmp/crt0.S +++ /dev/null @@ -1,17 +0,0 @@ -.section .text,"ax",%progbits -.code 32 -.align 0x04 -.global start -start: - msr cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ/FIQ */ - ldr sp, =oc_stackend - /* clear bss */ - ldr r2, =bss_start - ldr r3, =bss_end - mov r4, #0 -1: - cmp r3, r2 - strhi r4, [r2], #4 - bhi 1b - /* jump to C code */ - b main diff --git a/utils/hwstub/stmp/format.c b/utils/hwstub/stmp/format.c deleted file mode 100644 index f5783159c0..0000000000 --- a/utils/hwstub/stmp/format.c +++ /dev/null @@ -1,223 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2002 by Gary Czvitkovicz - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - - -#include -#include -#include "stddef.h" -#include "string.h" -#include "format.h" - -static const char hexdigit[] = "0123456789ABCDEF"; - -void vuprintf( - /* call 'push()' for each output letter */ - int (*push)(void *userp, unsigned char data), - void *userp, - const char *fmt, - va_list ap) -{ - char *str; - char tmpbuf[12], pad; - int ch, width, val, sign, precision; - long lval, lsign; - unsigned int uval; - unsigned long ulval; - size_t uszval; - ssize_t szval, szsign; - bool ok = true; - - tmpbuf[sizeof tmpbuf - 1] = '\0'; - - while ((ch = *fmt++) != '\0' && ok) - { - if (ch == '%') - { - ch = *fmt++; - pad = ' '; - if (ch == '0') - pad = '0'; - - width = 0; - while (ch >= '0' && ch <= '9') - { - width = 10*width + ch - '0'; - ch = *fmt++; - } - - precision = 0; - if(ch == '.') - { - ch = *fmt++; - while (ch >= '0' && ch <= '9') - { - precision = 10*precision + ch - '0'; - ch = *fmt++; - } - } else { - precision = INT_MAX; - } - - str = tmpbuf + sizeof tmpbuf - 1; - switch (ch) - { - case 'c': - *--str = va_arg (ap, int); - break; - - case 's': - str = va_arg (ap, char*); - break; - - case 'd': - val = sign = va_arg (ap, int); - if (val < 0) - val = -val; - do - { - *--str = (val % 10) + '0'; - val /= 10; - } - while (val > 0); - if (sign < 0) - *--str = '-'; - break; - - case 'u': - uval = va_arg(ap, unsigned int); - do - { - *--str = (uval % 10) + '0'; - uval /= 10; - } - while (uval > 0); - break; - - case 'x': - case 'X': - pad='0'; - uval = va_arg (ap, int); - do - { - *--str = hexdigit[uval & 0xf]; - uval >>= 4; - } - while (uval); - break; - - case 'l': - ch = *fmt++; - switch(ch) { - case 'x': - case 'X': - pad='0'; - ulval = va_arg (ap, long); - do - { - *--str = hexdigit[ulval & 0xf]; - ulval >>= 4; - } - while (ulval); - break; - case 'd': - lval = lsign = va_arg (ap, long); - if (lval < 0) - lval = -lval; - do - { - *--str = (lval % 10) + '0'; - lval /= 10; - } - while (lval > 0); - if (lsign < 0) - *--str = '-'; - break; - - case 'u': - ulval = va_arg(ap, unsigned long); - do - { - *--str = (ulval % 10) + '0'; - ulval /= 10; - } - while (ulval > 0); - break; - - default: - *--str = 'l'; - *--str = ch; - } - - break; - - case 'z': - ch = *fmt++; - switch(ch) { - case 'd': - szval = szsign = va_arg (ap, ssize_t); - if (szval < 0) - szval = -szval; - do - { - *--str = (szval % 10) + '0'; - szval /= 10; - } - while (szval > 0); - if (szsign < 0) - *--str = '-'; - break; - - case 'u': - uszval = va_arg(ap, size_t); - do - { - *--str = (uszval % 10) + '0'; - uszval /= 10; - } - while (uszval > 0); - break; - - default: - *--str = 'z'; - *--str = ch; - } - - break; - - default: - *--str = ch; - break; - } - - if (width > 0) - { - width -= strlen (str); - while (width-- > 0 && ok) - ok=push(userp, pad); - } - while (*str != '\0' && ok && precision--) - ok=push(userp, *str++); - } - else - ok=push(userp, ch); - } -} - diff --git a/utils/hwstub/stmp/format.h b/utils/hwstub/stmp/format.h deleted file mode 100644 index 2ad4229f1e..0000000000 --- a/utils/hwstub/stmp/format.h +++ /dev/null @@ -1,29 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef __HWSTUB_FORMAT__ -#define __HWSTUB_FORMAT__ - -#include - -void vuprintf(int (*push)(void *userp, unsigned char data), - void *userp, const char *fmt, va_list ap); - -#endif /* __HWSTUB_FORMAT__ */ diff --git a/utils/hwstub/stmp/hwstub.db b/utils/hwstub/stmp/hwstub.db deleted file mode 100644 index 1a085da50a..0000000000 --- a/utils/hwstub/stmp/hwstub.db +++ /dev/null @@ -1,31 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -sources -{ - hwstub = "hwstub.elf"; -} - -section(0) -{ - load hwstub; - jump hwstub(1); -} - diff --git a/utils/hwstub/stmp/hwstub.lds b/utils/hwstub/stmp/hwstub.lds deleted file mode 100644 index 61504a3e75..0000000000 --- a/utils/hwstub/stmp/hwstub.lds +++ /dev/null @@ -1,71 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include "config.h" - -ENTRY(start) -OUTPUT_FORMAT(elf32-littlearm) -OUTPUT_ARCH(arm) -STARTUP(crt0.o) - -#define IRAM_END_ADDR (IRAM_ORIG + IRAM_SIZE) - -MEMORY -{ - OCRAM : ORIGIN = IRAM_ORIG, LENGTH = IRAM_SIZE -} - -SECTIONS -{ - .octext : - { - oc_codestart = .; - *(.text*) - *(.icode*) - *(.data*) - *(.rodata*) - } > OCRAM - - .bss (NOLOAD) : - { - bss_start = .; - *(.bss) - bss_end = .; - } > OCRAM - - .stack (NOLOAD) : - { - oc_codeend = .; - oc_stackstart = .; - . += STACK_SIZE; - oc_stackend = .; - oc_bufferstart = .; - } > OCRAM - - .ocend IRAM_END_ADDR (NOLOAD) : - { - oc_bufferend = .; - } > OCRAM - - /DISCARD/ : - { - *(.eh_frame) - } -} diff --git a/utils/hwstub/stmp/logf.c b/utils/hwstub/stmp/logf.c deleted file mode 100644 index 3ccc5c5e9f..0000000000 --- a/utils/hwstub/stmp/logf.c +++ /dev/null @@ -1,68 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include "config.h" -#include "logf.h" -#include "format.h" -#include "string.h" - -static unsigned char logfbuffer[MAX_LOGF_SIZE]; -static int logfread = 0; -static int logfwrite = 0; -static int logfen = true; - -void enable_logf(bool en) -{ - logfen = en; -} - -static int logf_push(void *userp, unsigned char c) -{ - (void)userp; - - logfbuffer[logfwrite++] = c; - if(logfwrite == MAX_LOGF_SIZE) - logfwrite = 0; - return true; -} - -void logf(const char *fmt, ...) -{ - if(!logfen) return; - va_list ap; - va_start(ap, fmt); - vuprintf(logf_push, NULL, fmt, ap); - va_end(ap); -} - -size_t logf_readback(char *buf, size_t max_size) -{ - if(logfread == logfwrite) - return 0; - if(logfread < logfwrite) - max_size = MIN(max_size, (size_t)(logfwrite - logfread)); - else - max_size = MIN(max_size, (size_t)(MAX_LOGF_SIZE - logfread)); - memcpy(buf, &logfbuffer[logfread], max_size); - logfread += max_size; - if(logfread == MAX_LOGF_SIZE) - logfread = 0; - return max_size; -} diff --git a/utils/hwstub/stmp/logf.h b/utils/hwstub/stmp/logf.h deleted file mode 100644 index 48c8c2c9b9..0000000000 --- a/utils/hwstub/stmp/logf.h +++ /dev/null @@ -1,31 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef __HWSTUB_LOGF__ -#define __HWSTUB_LOGF__ - -#include "stddef.h" -#include - -void enable_logf(bool en); -void logf(const char *fmt, ...); -size_t logf_readback(char *buf, size_t max_size); - -#endif /* __HWSTUB_LOGF__ */ diff --git a/utils/hwstub/stmp/main.c b/utils/hwstub/stmp/main.c deleted file mode 100644 index 845f3842ea..0000000000 --- a/utils/hwstub/stmp/main.c +++ /dev/null @@ -1,1105 +0,0 @@ -#include "stddef.h" -#include "protocol.h" -#include "logf.h" -#include "usb_ch9.h" - -extern unsigned char oc_codestart[]; -extern unsigned char oc_codeend[]; -extern unsigned char oc_stackstart[]; -extern unsigned char oc_stackend[]; -extern unsigned char oc_bufferstart[]; -extern unsigned char oc_bufferend[]; - -#define oc_codesize ((size_t)(oc_codeend - oc_codestart)) -#define oc_stacksize ((size_t)(oc_stackend - oc_stackstart)) -#define oc_buffersize ((size_t)(oc_bufferend - oc_bufferstart)) - -/** - * - * Common - * - */ -#define MIN(a,b) ((a) < (b) ? (a) : (b)) - -#define __REG_SET(reg) (*((volatile uint32_t *)(® + 1))) -#define __REG_CLR(reg) (*((volatile uint32_t *)(® + 2))) -#define __REG_TOG(reg) (*((volatile uint32_t *)(® + 3))) - -#define __BLOCK_SFTRST (1 << 31) -#define __BLOCK_CLKGATE (1 << 30) - -#define __XTRACT(reg, field) ((reg & reg##__##field##_BM) >> reg##__##field##_BP) -#define __XTRACT_EX(val, field) (((val) & field##_BM) >> field##_BP) -#define __FIELD_SET(reg, field, val) reg = (reg & ~reg##__##field##_BM) | (val << reg##__##field##_BP) - -/** - * - * Global - * - */ - -enum stmp_family_t -{ - UNKNOWN, - STMP3600, - STMP3700, - STMP3770, - STMP3780 -}; - -enum stmp_family_t g_stmp_family = UNKNOWN; - -/** - * - * USB subsystem - * - */ - -#define USB_BASE 0x80080000 -#define USB_NUM_ENDPOINTS 2 -#define MAX_PKT_SIZE 1024 -#define MAX_PKT_SIZE_EP0 64 - -/* USB device mode registers (Little Endian) */ -#define REG_USBCMD (*(volatile unsigned int *)(USB_BASE+0x140)) -#define REG_DEVICEADDR (*(volatile unsigned int *)(USB_BASE+0x154)) -#define REG_ENDPOINTLISTADDR (*(volatile unsigned int *)(USB_BASE+0x158)) -#define REG_PORTSC1 (*(volatile unsigned int *)(USB_BASE+0x184)) -#define REG_USBMODE (*(volatile unsigned int *)(USB_BASE+0x1a8)) -#define REG_ENDPTSETUPSTAT (*(volatile unsigned int *)(USB_BASE+0x1ac)) -#define REG_ENDPTPRIME (*(volatile unsigned int *)(USB_BASE+0x1b0)) -#define REG_ENDPTSTATUS (*(volatile unsigned int *)(USB_BASE+0x1b8)) -#define REG_ENDPTCOMPLETE (*(volatile unsigned int *)(USB_BASE+0x1bc)) -#define REG_ENDPTCTRL0 (*(volatile unsigned int *)(USB_BASE+0x1c0)) -#define REG_ENDPTCTRL1 (*(volatile unsigned int *)(USB_BASE+0x1c4)) -#define REG_ENDPTCTRL2 (*(volatile unsigned int *)(USB_BASE+0x1c8)) -#define REG_ENDPTCTRL(_x_) (*(volatile unsigned int *)(USB_BASE+0x1c0+4*(_x_))) - -/* USB CMD Register Bit Masks */ -#define USBCMD_RUN (0x00000001) -#define USBCMD_CTRL_RESET (0x00000002) -#define USBCMD_PERIODIC_SCHEDULE_EN (0x00000010) -#define USBCMD_ASYNC_SCHEDULE_EN (0x00000020) -#define USBCMD_INT_AA_DOORBELL (0x00000040) -#define USBCMD_ASP (0x00000300) -#define USBCMD_ASYNC_SCH_PARK_EN (0x00000800) -#define USBCMD_SUTW (0x00002000) -#define USBCMD_ATDTW (0x00004000) -#define USBCMD_ITC (0x00FF0000) - -/* Device Address bit masks */ -#define USBDEVICEADDRESS_MASK (0xFE000000) -#define USBDEVICEADDRESS_BIT_POS (25) - -/* Endpoint Setup Status bit masks */ -#define EPSETUP_STATUS_EP0 (0x00000001) - -/* PORTSCX Register Bit Masks */ -#define PORTSCX_CURRENT_CONNECT_STATUS (0x00000001) -#define PORTSCX_CONNECT_STATUS_CHANGE (0x00000002) -#define PORTSCX_PORT_ENABLE (0x00000004) -#define PORTSCX_PORT_EN_DIS_CHANGE (0x00000008) -#define PORTSCX_OVER_CURRENT_ACT (0x00000010) -#define PORTSCX_OVER_CURRENT_CHG (0x00000020) -#define PORTSCX_PORT_FORCE_RESUME (0x00000040) -#define PORTSCX_PORT_SUSPEND (0x00000080) -#define PORTSCX_PORT_RESET (0x00000100) -#define PORTSCX_LINE_STATUS_BITS (0x00000C00) -#define PORTSCX_PORT_POWER (0x00001000) -#define PORTSCX_PORT_INDICTOR_CTRL (0x0000C000) -#define PORTSCX_PORT_TEST_CTRL (0x000F0000) -#define PORTSCX_WAKE_ON_CONNECT_EN (0x00100000) -#define PORTSCX_WAKE_ON_CONNECT_DIS (0x00200000) -#define PORTSCX_WAKE_ON_OVER_CURRENT (0x00400000) -#define PORTSCX_PHY_LOW_POWER_SPD (0x00800000) -#define PORTSCX_PORT_FORCE_FULL_SPEED (0x01000000) -#define PORTSCX_PORT_SPEED_MASK (0x0C000000) -#define PORTSCX_PORT_WIDTH (0x10000000) -#define PORTSCX_PHY_TYPE_SEL (0xC0000000) - -/* bit 11-10 are line status */ -#define PORTSCX_LINE_STATUS_SE0 (0x00000000) -#define PORTSCX_LINE_STATUS_JSTATE (0x00000400) -#define PORTSCX_LINE_STATUS_KSTATE (0x00000800) -#define PORTSCX_LINE_STATUS_UNDEF (0x00000C00) -#define PORTSCX_LINE_STATUS_BIT_POS (10) - -/* bit 15-14 are port indicator control */ -#define PORTSCX_PIC_OFF (0x00000000) -#define PORTSCX_PIC_AMBER (0x00004000) -#define PORTSCX_PIC_GREEN (0x00008000) -#define PORTSCX_PIC_UNDEF (0x0000C000) -#define PORTSCX_PIC_BIT_POS (14) - -/* bit 19-16 are port test control */ -#define PORTSCX_PTC_DISABLE (0x00000000) -#define PORTSCX_PTC_JSTATE (0x00010000) -#define PORTSCX_PTC_KSTATE (0x00020000) -#define PORTSCX_PTC_SE0NAK (0x00030000) -#define PORTSCX_PTC_PACKET (0x00040000) -#define PORTSCX_PTC_FORCE_EN (0x00050000) -#define PORTSCX_PTC_BIT_POS (16) - -/* bit 27-26 are port speed */ -#define PORTSCX_PORT_SPEED_FULL (0x00000000) -#define PORTSCX_PORT_SPEED_LOW (0x04000000) -#define PORTSCX_PORT_SPEED_HIGH (0x08000000) -#define PORTSCX_PORT_SPEED_UNDEF (0x0C000000) -#define PORTSCX_SPEED_BIT_POS (26) - -/* bit 28 is parallel transceiver width for UTMI interface */ -#define PORTSCX_PTW (0x10000000) -#define PORTSCX_PTW_8BIT (0x00000000) -#define PORTSCX_PTW_16BIT (0x10000000) - -/* bit 31-30 are port transceiver select */ -#define PORTSCX_PTS_UTMI (0x00000000) -#define PORTSCX_PTS_CLASSIC (0x40000000) -#define PORTSCX_PTS_ULPI (0x80000000) -#define PORTSCX_PTS_FSLS (0xC0000000) -#define PORTSCX_PTS_BIT_POS (30) - -/* USB MODE Register Bit Masks */ -#define USBMODE_CTRL_MODE_IDLE (0x00000000) -#define USBMODE_CTRL_MODE_DEVICE (0x00000002) -#define USBMODE_CTRL_MODE_HOST (0x00000003) -#define USBMODE_CTRL_MODE_RSV (0x00000001) -#define USBMODE_SETUP_LOCK_OFF (0x00000008) -#define USBMODE_STREAM_DISABLE (0x00000010) - -/* ENDPOINTCTRLx Register Bit Masks */ -#define EPCTRL_TX_ENABLE (0x00800000) -#define EPCTRL_TX_DATA_TOGGLE_RST (0x00400000) /* Not EP0 */ -#define EPCTRL_TX_DATA_TOGGLE_INH (0x00200000) /* Not EP0 */ -#define EPCTRL_TX_TYPE (0x000C0000) -#define EPCTRL_TX_DATA_SOURCE (0x00020000) /* Not EP0 */ -#define EPCTRL_TX_EP_STALL (0x00010000) -#define EPCTRL_RX_ENABLE (0x00000080) -#define EPCTRL_RX_DATA_TOGGLE_RST (0x00000040) /* Not EP0 */ -#define EPCTRL_RX_DATA_TOGGLE_INH (0x00000020) /* Not EP0 */ -#define EPCTRL_RX_TYPE (0x0000000C) -#define EPCTRL_RX_DATA_SINK (0x00000002) /* Not EP0 */ -#define EPCTRL_RX_EP_STALL (0x00000001) - -/* bit 19-18 and 3-2 are endpoint type */ -#define EPCTRL_TX_EP_TYPE_SHIFT (18) -#define EPCTRL_RX_EP_TYPE_SHIFT (2) - -#define QH_MULT_POS (30) -#define QH_ZLT_SEL (0x20000000) -#define QH_MAX_PKT_LEN_POS (16) -#define QH_IOS (0x00008000) -#define QH_NEXT_TERMINATE (0x00000001) -#define QH_IOC (0x00008000) -#define QH_MULTO (0x00000C00) -#define QH_STATUS_HALT (0x00000040) -#define QH_STATUS_ACTIVE (0x00000080) -#define EP_QUEUE_CURRENT_OFFSET_MASK (0x00000FFF) -#define EP_QUEUE_HEAD_NEXT_POINTER_MASK (0xFFFFFFE0) -#define EP_QUEUE_FRINDEX_MASK (0x000007FF) -#define EP_MAX_LENGTH_TRANSFER (0x4000) - -#define DTD_NEXT_TERMINATE (0x00000001) -#define DTD_IOC (0x00008000) -#define DTD_STATUS_ACTIVE (0x00000080) -#define DTD_STATUS_HALTED (0x00000040) -#define DTD_STATUS_DATA_BUFF_ERR (0x00000020) -#define DTD_STATUS_TRANSACTION_ERR (0x00000008) -#define DTD_RESERVED_FIELDS (0x80007300) -#define DTD_ADDR_MASK (0xFFFFFFE0) -#define DTD_PACKET_SIZE (0x7FFF0000) -#define DTD_LENGTH_BIT_POS (16) -#define DTD_ERROR_MASK (DTD_STATUS_HALTED | \ - DTD_STATUS_DATA_BUFF_ERR | \ - DTD_STATUS_TRANSACTION_ERR) -/*-------------------------------------------------------------------------*/ -/* manual: 32.13.2 Endpoint Transfer Descriptor (dTD) */ -struct transfer_descriptor { - unsigned int next_td_ptr; /* Next TD pointer(31-5), T(0) set - indicate invalid */ - unsigned int size_ioc_sts; /* Total bytes (30-16), IOC (15), - MultO(11-10), STS (7-0) */ - unsigned int buff_ptr0; /* Buffer pointer Page 0 */ - unsigned int buff_ptr1; /* Buffer pointer Page 1 */ - unsigned int buff_ptr2; /* Buffer pointer Page 2 */ - unsigned int buff_ptr3; /* Buffer pointer Page 3 */ - unsigned int buff_ptr4; /* Buffer pointer Page 4 */ - unsigned int reserved; -} __attribute__ ((packed)); - -static struct transfer_descriptor td_array[USB_NUM_ENDPOINTS*2] - __attribute__((aligned(32))); - -/* manual: 32.13.1 Endpoint Queue Head (dQH) */ -struct queue_head { - unsigned int max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len - and IOS(15) */ - unsigned int curr_dtd_ptr; /* Current dTD Pointer(31-5) */ - struct transfer_descriptor dtd; /* dTD overlay */ - unsigned int setup_buffer[2]; /* Setup data 8 bytes */ - unsigned int reserved; /* for software use, pointer to the first TD */ - unsigned int status; /* for software use, status of chain in progress */ - unsigned int length; /* for software use, transfered bytes of chain in progress */ - unsigned int wait; /* for softwate use, indicates if the transfer is blocking */ -} __attribute__((packed)); - -static struct queue_head qh_array[USB_NUM_ENDPOINTS*2] __attribute__((aligned(2048))); - -static const unsigned int pipe2mask[] = { - 0x01, 0x010000, - 0x02, 0x020000, - 0x04, 0x040000, - 0x08, 0x080000, - 0x10, 0x100000, -}; - -/* return transfered size if wait=true */ -static int prime_transfer(int ep_num, void *ptr, int len, bool send, bool wait) -{ - int pipe = ep_num * 2 + (send ? 1 : 0); - unsigned mask = pipe2mask[pipe]; - struct transfer_descriptor *td = &td_array[pipe]; - struct queue_head* qh = &qh_array[pipe]; - - /* prepare TD */ - td->next_td_ptr = DTD_NEXT_TERMINATE; - td->size_ioc_sts = (len<< DTD_LENGTH_BIT_POS) | DTD_STATUS_ACTIVE; - td->buff_ptr0 = (unsigned int)ptr; - td->buff_ptr1 = ((unsigned int)ptr & 0xfffff000) + 0x1000; - td->buff_ptr2 = ((unsigned int)ptr & 0xfffff000) + 0x2000; - td->buff_ptr3 = ((unsigned int)ptr & 0xfffff000) + 0x3000; - td->buff_ptr4 = ((unsigned int)ptr & 0xfffff000) + 0x4000; - td->reserved = 0; - /* prime */ - qh->dtd.next_td_ptr = (unsigned int)td; - qh->dtd.size_ioc_sts &= ~(QH_STATUS_HALT | QH_STATUS_ACTIVE); - REG_ENDPTPRIME |= mask; - /* wait for priming to be taken into account */ - while(!(REG_ENDPTSTATUS & mask)); - /* wait for completion */ - if(wait) - { - while(!(REG_ENDPTCOMPLETE & mask)); - REG_ENDPTCOMPLETE = mask; - /* memory barrier */ - asm volatile("":::"memory"); - /* return transfered size */ - return len - (td->size_ioc_sts >> DTD_LENGTH_BIT_POS); - } - else - return 0; -} - -void usb_drv_set_address(int address) -{ - REG_DEVICEADDR = address << USBDEVICEADDRESS_BIT_POS; -} - -/* endpoints */ -#define EP_CONTROL 0 - -#define DIR_OUT 0 -#define DIR_IN 1 - -#define EP_DIR(ep) (((ep) & USB_ENDPOINT_DIR_MASK) ? DIR_IN : DIR_OUT) -#define EP_NUM(ep) ((ep) & USB_ENDPOINT_NUMBER_MASK) - -static int usb_drv_send_nonblocking(int endpoint, void* ptr, int length) -{ - return prime_transfer(EP_NUM(endpoint), ptr, length, true, false); -} - -static int usb_drv_send(int endpoint, void* ptr, int length) -{ - return prime_transfer(EP_NUM(endpoint), ptr, length, true, true); -} - -static int usb_drv_recv(int endpoint, void* ptr, int length) -{ - return prime_transfer(EP_NUM(endpoint), ptr, length, false, true); -} - -static int usb_drv_recv_nonblocking(int endpoint, void* ptr, int length) -{ - return prime_transfer(EP_NUM(endpoint), ptr, length, false, false); -} - -static int usb_drv_port_speed(void) -{ - return (REG_PORTSC1 & 0x08000000) ? 1 : 0; -} - -static void usb_drv_stall(int endpoint, bool stall, bool in) -{ - int ep_num = EP_NUM(endpoint); - - if(in) - { - if(stall) - REG_ENDPTCTRL(ep_num) |= EPCTRL_TX_EP_STALL; - else - REG_ENDPTCTRL(ep_num) &= ~EPCTRL_TX_EP_STALL; - } - else - { - if (stall) - REG_ENDPTCTRL(ep_num) |= EPCTRL_RX_EP_STALL; - else - REG_ENDPTCTRL(ep_num) &= ~EPCTRL_RX_EP_STALL; - } -} - -static void usb_drv_configure_endpoint(int ep_num, int type) -{ - REG_ENDPTCTRL(ep_num) = - EPCTRL_RX_DATA_TOGGLE_RST | EPCTRL_RX_ENABLE | - EPCTRL_TX_DATA_TOGGLE_RST | EPCTRL_TX_ENABLE | - (type << EPCTRL_RX_EP_TYPE_SHIFT) | - (type << EPCTRL_TX_EP_TYPE_SHIFT); -} - -/** - * - * Clkctrl - * - */ - -#define HW_CLKCTRL_BASE 0x80040000 - -#define HW_CLKCTRL_PLLCTRL0 (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x0)) -#define HW_CLKCTRL_PLLCTRL0__BYPASS (1 << 17) /* STMP3600 only */ -#define HW_CLKCTRL_PLLCTRL0__POWER (1 << 16) -#define HW_CLKCTRL_PLLCTRL0__EN_USB_CLKS (1 << 18) - -#define HW_CLKCTRL_PLLCTRL1 (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x10)) -#define HW_CLKCTRL_PLLCTRL1__LOCK (1 << 31) - -/* STMP3600 only */ -#define HW_CLKCTRL_CPUCLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x20)) -#define HW_CLKCTRL_CPUCLKCTRL__DIV_BP 0 -#define HW_CLKCTRL_CPUCLKCTRL__DIV_BM 0x3ff -#define HW_CLKCTRL_CPUCLKCTRL__WAIT_PLL_LOCK (1 << 30) - -/* STMP3600 */ -#define HW_CLKCTRL_HBUSCLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x30)) - -/* STMP3600 only */ -#define HW_CLKCTRL_XBUSCLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x40)) -#define HW_CLKCTRL_XBUSCLKCTRL__DIV_BP 0 -#define HW_CLKCTRL_XBUSCLKCTRL__DIV_BM 0x3ff - -/* STMP3600 only */ -#define HW_CLKCTRL_UTMICLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x70)) -#define HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK30M_GATE (1 << 30) -#define HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK120M_GATE (1 << 31) - -/** - * - * Digctl - * - */ - -/* Digital control */ -#define HW_DIGCTL_BASE 0x8001C000 -#define HW_DIGCTL_CTRL (*(volatile uint32_t *)(HW_DIGCTL_BASE + 0)) -#define HW_DIGCTL_CTRL__USB_CLKGATE (1 << 2) - -#define HW_DIGCTL_MICROSECONDS (*(volatile uint32_t *)(HW_DIGCTL_BASE + 0xC0)) - -#define HW_DIGCTL_CHIPID (*(volatile uint32_t *)(HW_DIGCTL_BASE + 0x310)) -#define HW_DIGCTL_CHIPID__PRODUCT_CODE_BP 16 -#define HW_DIGCTL_CHIPID__PRODUCT_CODE_BM 0xffff0000 -#define HW_DIGCTL_CHIPID__REVISION_BP 0 -#define HW_DIGCTL_CHIPID__REVISION_BM 0xff - -static bool imx233_us_elapsed(uint32_t ref, unsigned us_delay) -{ - uint32_t cur = HW_DIGCTL_MICROSECONDS; - if(ref + us_delay <= ref) - return !(cur > ref) && !(cur < (ref + us_delay)); - else - return (cur < ref) || cur >= (ref + us_delay); -} - -static void udelay(unsigned us) -{ - uint32_t ref = HW_DIGCTL_MICROSECONDS; - while(!imx233_us_elapsed(ref, us)); -} - -#define HZ 1000000 - -/** - * - * USB PHY - * - */ -/* USB Phy */ -#define HW_USBPHY_BASE 0x8007C000 -#define HW_USBPHY_PWD (*(volatile uint32_t *)(HW_USBPHY_BASE + 0)) - -#define HW_USBPHY_CTRL (*(volatile uint32_t *)(HW_USBPHY_BASE + 0x30)) - -/** - * - * DCP - * - */ -#define HW_DCP_BASE 0x80028000 - -#define HW_DCP_CTRL (*(volatile unsigned long *)(HW_DCP_BASE + 0x0)) - -#define HW_DCP_STAT (*(volatile unsigned long *)(HW_DCP_BASE + 0x10)) -#define HW_DCP_STAT__IRQ(x) (1 << (x)) - -#define HW_DCP_CHANNELCTRL (*(volatile unsigned long *)(HW_DCP_BASE + 0x20)) -#define HW_DCP_CHANNELCTRL__ENABLE_CHANNEL(x) (1 << (x)) - -#define HW_DCP_CH0CMDPTR (*(volatile unsigned long *)(HW_DCP_BASE + 0x100)) - -#define HW_DCP_CH0SEMA (*(volatile unsigned long *)(HW_DCP_BASE + 0x110)) -#define HW_DCP_CH0SEMA__INCREMENT(x) (x) -#define HW_DCP_CH0SEMA__VALUE_BP 16 -#define HW_DCP_CH0SEMA__VALUE_BM (0xff << 16) -#define HW_DCP_CH0STAT (*(volatile unsigned long *)(HW_DCP_BASE + 0x120)) - -#define HW_DCP_CTRL0__INTERRUPT_ENABLE (1 << 0) -#define HW_DCP_CTRL0__DECR_SEMAPHORE (1 << 1) -#define HW_DCP_CTRL0__ENABLE_MEMCOPY (1 << 4) -#define HW_DCP_CTRL0__ENABLE_CIPHER (1 << 5) -#define HW_DCP_CTRL0__ENABLE_HASH (1 << 6) -#define HW_DCP_CTRL0__CIPHER_ENCRYPT (1 << 8) -#define HW_DCP_CTRL0__CIPHER_INIT (1 << 9) -#define HW_DCP_CTRL0__OTP_KEY (1 << 10) -#define HW_DCP_CTRL0__HASH_INIT (1 << 12) -#define HW_DCP_CTRL0__HASH_TERM (1 << 13) -#define HW_DCP_CTRL0__HASH_OUTPUT (1 << 15) - -#define HW_DCP_CTRL1__CIPHER_SELECT_BP 0 -#define HW_DCP_CTRL1__CIPHER_SELECT_BM 0xf -#define HW_DCP_CTRL1__CIPHER_SELECT__AES128 0 -#define HW_DCP_CTRL1__CIPHER_MODE_BP 4 -#define HW_DCP_CTRL1__CIPHER_MODE_BM 0xf0 -#define HW_DCP_CTRL1__CIPHER_MODE__CBC (1 << 4) -#define HW_DCP_CTRL1__HASH_SELECT_BP 4 -#define HW_DCP_CTRL1__HASH_SELECT_BM 0xf00 - -struct dcp_packet_t -{ - unsigned long next; - unsigned long ctrl0; - unsigned long ctrl1; - unsigned long src_buf; - unsigned long dst_buf; - unsigned long buf_sz; - unsigned long payload_ptr; - unsigned long status; -} __attribute__((packed)); - -/** - * - * Misc - * - */ - -void memcpy(void *dest, const void *src, size_t n); -void memmove(void *dest, const void *src, size_t n); -void memset(void *dst, int value, size_t n); - -/** - * - * USB stack - * - */ - -static struct usb_device_descriptor __attribute__((aligned(2))) - device_descriptor= -{ - .bLength = sizeof(struct usb_device_descriptor), - .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = 0x0200, - .bDeviceClass = USB_CLASS_PER_INTERFACE, - .bDeviceSubClass = 0, - .bDeviceProtocol = 0, - .bMaxPacketSize0 = 64, - .idVendor = HWSTUB_USB_VID, - .idProduct = HWSTUB_USB_PID, - .bcdDevice = HWSTUB_VERSION_MAJOR << 8 | HWSTUB_VERSION_MINOR, - .iManufacturer = 1, - .iProduct = 2, - .iSerialNumber = 3, - .bNumConfigurations = 1 -}; - -#define USB_MAX_CURRENT 200 - -static struct usb_config_descriptor __attribute__((aligned(2))) - config_descriptor = -{ - .bLength = sizeof(struct usb_config_descriptor), - .bDescriptorType = USB_DT_CONFIG, - .wTotalLength = 0, /* will be filled in later */ - .bNumInterfaces = 1, - .bConfigurationValue = 1, - .iConfiguration = 0, - .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER, - .bMaxPower = (USB_MAX_CURRENT + 1) / 2, /* In 2mA units */ -}; - -/* main interface */ -static struct usb_interface_descriptor __attribute__((aligned(2))) - interface_descriptor = -{ - .bLength = sizeof(struct usb_interface_descriptor), - .bDescriptorType = USB_DT_INTERFACE, - .bInterfaceNumber = 0, - .bAlternateSetting = 0, - .bNumEndpoints = 3, - .bInterfaceClass = HWSTUB_CLASS, - .bInterfaceSubClass = HWSTUB_SUBCLASS, - .bInterfaceProtocol = HWSTUB_PROTOCOL, - .iInterface = 4 -}; - - -static struct usb_endpoint_descriptor __attribute__((aligned(2))) - endpoint_descriptor = -{ - .bLength = sizeof(struct usb_endpoint_descriptor), - .bDescriptorType = USB_DT_ENDPOINT, - .bEndpointAddress = 0, - .bmAttributes = USB_ENDPOINT_XFER_BULK, - .wMaxPacketSize = 0, - .bInterval = 0 -}; - -static const struct usb_string_descriptor __attribute__((aligned(2))) - usb_string_iManufacturer = -{ - 24, - USB_DT_STRING, - {'R', 'o', 'c', 'k', 'b', 'o', 'x', '.', 'o', 'r', 'g'} -}; - -static const struct usb_string_descriptor __attribute__((aligned(2))) - usb_string_iProduct = -{ - 52, - USB_DT_STRING, - {'R', 'o', 'c', 'k', 'b', 'o', 'x', ' ', - 'h', 'a', 'r', 'd', 'w', 'a', 'r', 'e', ' ', - 'e', 'm', 'u', 'l', 'a', 't', 'e', 'r'} -}; - -static struct usb_string_descriptor __attribute__((aligned(2))) - usb_string_iSerial = -{ - 84, - USB_DT_STRING, - {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', - '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', - '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', - '0', '0', '0', '0', '0', '0', '0', '0'} -}; - -static struct usb_string_descriptor __attribute__((aligned(2))) - usb_string_iInterface = -{ - 28, - USB_DT_STRING, - {'A', 'c', 'i', 'd', ' ', - '0' + (HWSTUB_VERSION_MAJOR >> 4), '0' + (HWSTUB_VERSION_MAJOR & 0xf), '.', - '0' + (HWSTUB_VERSION_MINOR >> 4), '0' + (HWSTUB_VERSION_MINOR & 0xf), '.', - '0' + (HWSTUB_VERSION_REV >> 4), '0' + (HWSTUB_VERSION_REV & 0xf) } -}; - -/* this is stringid #0: languages supported */ -static const struct usb_string_descriptor __attribute__((aligned(2))) - lang_descriptor = -{ - 4, - USB_DT_STRING, - {0x0409} /* LANGID US English */ -}; - -#define USB_NUM_STRINGS 5 - -static const struct usb_string_descriptor* const usb_strings[USB_NUM_STRINGS] = -{ - &lang_descriptor, - &usb_string_iManufacturer, - &usb_string_iProduct, - &usb_string_iSerial, - &usb_string_iInterface -}; - -uint8_t *usb_buffer = oc_bufferstart; -uint32_t usb_buffer_size = 0; - -#define EP_BULK 1 -#define EP_INT 2 - -static void set_config(void) -{ - usb_drv_configure_endpoint(EP_BULK, USB_ENDPOINT_XFER_BULK); - usb_drv_configure_endpoint(EP_INT, USB_ENDPOINT_XFER_INT); -} - -static void handle_std_dev_desc(struct usb_ctrlrequest *req) -{ - int size; - const void* ptr = NULL; - unsigned index = req->wValue & 0xff; - - switch(req->wValue >> 8) - { - case USB_DT_DEVICE: - ptr = &device_descriptor; - size = sizeof(struct usb_device_descriptor); - break; - case USB_DT_OTHER_SPEED_CONFIG: - case USB_DT_CONFIG: - { - int max_packet_size; - - /* config desc */ - if((req->wValue >> 8) ==USB_DT_CONFIG) - { - max_packet_size = (usb_drv_port_speed() ? 512 : 64); - config_descriptor.bDescriptorType = USB_DT_CONFIG; - } - else - { - max_packet_size=(usb_drv_port_speed() ? 64 : 512); - config_descriptor.bDescriptorType = USB_DT_OTHER_SPEED_CONFIG; - } - size = sizeof(struct usb_config_descriptor); - - /* interface */ - memcpy(usb_buffer + size, (void *)&interface_descriptor, - sizeof(interface_descriptor)); - size += sizeof(interface_descriptor); - /* endpoint 1: bulk out */ - endpoint_descriptor.bEndpointAddress = EP_BULK | USB_DIR_OUT; - endpoint_descriptor.bmAttributes = USB_ENDPOINT_XFER_BULK; - endpoint_descriptor.wMaxPacketSize = 512; - memcpy(usb_buffer + size, (void *)&endpoint_descriptor, - sizeof(endpoint_descriptor)); - size += sizeof(endpoint_descriptor); - /* endpoint 2: bulk in */ - endpoint_descriptor.bEndpointAddress = EP_BULK | USB_DIR_IN; - endpoint_descriptor.bmAttributes = USB_ENDPOINT_XFER_BULK; - endpoint_descriptor.wMaxPacketSize = 512; - memcpy(usb_buffer + size, (void *)&endpoint_descriptor, - sizeof(endpoint_descriptor)); - size += sizeof(endpoint_descriptor); - /* endpoint 3: int in */ - endpoint_descriptor.bEndpointAddress = EP_INT | USB_DIR_IN; - endpoint_descriptor.bmAttributes = USB_ENDPOINT_XFER_INT; - endpoint_descriptor.wMaxPacketSize = 1024; - memcpy(usb_buffer + size, (void *)&endpoint_descriptor, - sizeof(endpoint_descriptor)); - size += sizeof(endpoint_descriptor); - - /* fix config descriptor */ - config_descriptor.bNumInterfaces = 1; - config_descriptor.wTotalLength = size; - memcpy(usb_buffer, (void *)&config_descriptor, sizeof(config_descriptor)); - - ptr = usb_buffer; - break; - } - case USB_DT_STRING: - if(index < USB_NUM_STRINGS) - { - size = usb_strings[index]->bLength; - ptr = usb_strings[index]; - } - else - usb_drv_stall(EP_CONTROL, true, true); - break; - default: - break; - } - - if(ptr) - { - int length = MIN(size, req->wLength); - - if(ptr != usb_buffer) - memcpy(usb_buffer, ptr, length); - - usb_drv_send(EP_CONTROL, usb_buffer, length); - usb_drv_recv(EP_CONTROL, NULL, 0); - } - else - usb_drv_stall(EP_CONTROL, true, true); -} - -static void handle_std_dev_req(struct usb_ctrlrequest *req) -{ - switch(req->bRequest) - { - case USB_REQ_GET_CONFIGURATION: - usb_buffer[0] = 1; - usb_drv_send(EP_CONTROL, usb_buffer, 1); - usb_drv_recv(EP_CONTROL, NULL, 0); - break; - case USB_REQ_SET_CONFIGURATION: - usb_drv_send(EP_CONTROL, NULL, 0); - set_config(); - break; - case USB_REQ_GET_DESCRIPTOR: - handle_std_dev_desc(req); - break; - case USB_REQ_SET_ADDRESS: - usb_drv_send(EP_CONTROL, NULL, 0); - usb_drv_set_address(req->wValue); - break; - case USB_REQ_GET_STATUS: - usb_buffer[0] = 0; - usb_buffer[1] = 0; - usb_drv_send(EP_CONTROL, usb_buffer, 2); - usb_drv_recv(EP_CONTROL, NULL, 0); - break; - default: - usb_drv_stall(EP_CONTROL, true, true); - } -} - -static void handle_std_req(struct usb_ctrlrequest *req) -{ - switch(req->bRequestType & USB_RECIP_MASK) - { - case USB_RECIP_DEVICE: - return handle_std_dev_req(req); - default: - usb_drv_stall(EP_CONTROL, true, true); - } -} - -struct usb_resp_info_version_t g_version = -{ - .major = HWSTUB_VERSION_MAJOR, - .minor = HWSTUB_VERSION_MINOR, - .revision = HWSTUB_VERSION_REV -}; - -struct usb_resp_info_layout_t g_layout; - -struct usb_resp_info_stmp_t g_stmp; - -struct usb_resp_info_features_t g_features = -{ - .feature_mask = HWSTUB_FEATURE_LOG | HWSTUB_FEATURE_MEM | - HWSTUB_FEATURE_CALL | HWSTUB_FEATURE_JUMP | HWSTUB_FEATURE_AES_OTP -}; - -static void fill_layout_info(void) -{ - g_layout.oc_code_start = (uint32_t)oc_codestart; - g_layout.oc_code_size = oc_codesize; - g_layout.oc_stack_start = (uint32_t)oc_stackstart; - g_layout.oc_stack_size = oc_stacksize; - g_layout.oc_buffer_start = (uint32_t)oc_bufferstart; - g_layout.oc_buffer_size = oc_buffersize; -} - -static void fill_stmp_info(void) -{ - g_stmp.chipid = __XTRACT(HW_DIGCTL_CHIPID, PRODUCT_CODE); - g_stmp.rev = __XTRACT(HW_DIGCTL_CHIPID, REVISION); - g_stmp.is_supported = g_stmp.chipid == 0x3780 || g_stmp.chipid == 0x3700 || - g_stmp.chipid == 0x3b00; -} - -static void handle_get_info(struct usb_ctrlrequest *req) -{ - void *ptr = NULL; - int size = 0; - switch(req->wIndex) - { - case HWSTUB_INFO_VERSION: - ptr = &g_version; - size = sizeof(g_version); - break; - case HWSTUB_INFO_LAYOUT: - fill_layout_info(); - ptr = &g_layout; - size = sizeof(g_layout); - break; - case HWSTUB_INFO_STMP: - fill_stmp_info(); - ptr = &g_stmp; - size = sizeof(g_stmp); - break; - case HWSTUB_INFO_FEATURES: - ptr = &g_features; - size = sizeof(g_features); - break; - default: - usb_drv_stall(EP_CONTROL, true, true); - } - - if(ptr) - { - int length = MIN(size, req->wLength); - - if(ptr != usb_buffer) - memcpy(usb_buffer, ptr, length); - usb_drv_send(EP_CONTROL, usb_buffer, length); - usb_drv_recv(EP_CONTROL, NULL, 0); - } -} - -static void handle_get_log(struct usb_ctrlrequest *req) -{ - enable_logf(false); - int length = logf_readback(usb_buffer, MIN(req->wLength, usb_buffer_size)); - usb_drv_send(EP_CONTROL, usb_buffer, length); - usb_drv_recv(EP_CONTROL, NULL, 0); - enable_logf(true); -} - -static void handle_rw_mem(struct usb_ctrlrequest *req) -{ - uint32_t addr = req->wValue | req->wIndex << 16; - uint16_t length = req->wLength; - - if(req->bRequestType & USB_DIR_IN) - { - memcpy(usb_buffer, (void *)addr, length); - asm volatile("nop" : : : "memory"); - usb_drv_send(EP_CONTROL, usb_buffer, length); - usb_drv_recv(EP_CONTROL, NULL, 0); - } - else - { - int size = usb_drv_recv(EP_CONTROL, usb_buffer, length); - asm volatile("nop" : : : "memory"); - if(size != length) - usb_drv_stall(EP_CONTROL, true, true); - else - { - memcpy((void *)addr, usb_buffer, length); - usb_drv_send(EP_CONTROL, NULL, 0); - } - } -} - -static void handle_call_jump(struct usb_ctrlrequest *req) -{ - uint32_t addr = req->wValue | req->wIndex << 16; - - if(req->bRequest == HWSTUB_CALL) - ((void (*)(void))addr)(); - else - { - /* disconnect to make sure usb/dma won't interfere */ - REG_USBCMD &= ~USBCMD_RUN; - REG_USBCMD |= USBCMD_CTRL_RESET; - asm volatile("bx %0\n" : : "r" (addr) : "memory"); - } -} - -static void do_aes_otp(void *buffer, unsigned length, unsigned params) -{ - static struct dcp_packet_t dcp_packet; - - bool encrypt = !!(params & HWSTUB_AES_OTP_ENCRYPT); - /* reset DCP */ - __REG_SET(HW_DCP_CTRL) = 0x80000000; - /* clear clock gate */ - __REG_CLR(HW_DCP_CTRL) = 0xc0000000; - /* enable dma for channel 0 */ - __REG_SET(HW_DCP_CHANNELCTRL) = HW_DCP_CHANNELCTRL__ENABLE_CHANNEL(0); - /* prepare packet */ - dcp_packet.next = 0; - - dcp_packet.ctrl0 = HW_DCP_CTRL0__INTERRUPT_ENABLE | - HW_DCP_CTRL0__DECR_SEMAPHORE | HW_DCP_CTRL0__CIPHER_INIT | - HW_DCP_CTRL0__ENABLE_CIPHER | HW_DCP_CTRL0__OTP_KEY | - (encrypt ? HW_DCP_CTRL0__CIPHER_ENCRYPT : 0); - dcp_packet.ctrl1 = HW_DCP_CTRL1__CIPHER_SELECT__AES128 | - HW_DCP_CTRL1__CIPHER_MODE__CBC; - dcp_packet.src_buf = (unsigned long)buffer + 16; - dcp_packet.dst_buf = (unsigned long)buffer + 16; - dcp_packet.buf_sz = length - 16; - dcp_packet.payload_ptr = (unsigned long)buffer; - dcp_packet.status = 0; - - asm volatile("":::"memory"); - /* kick */ - HW_DCP_CH0CMDPTR = (unsigned long)&dcp_packet; - HW_DCP_CH0SEMA = HW_DCP_CH0SEMA__INCREMENT(1); - /* wait */ - while(!(HW_DCP_STAT & HW_DCP_STAT__IRQ(0))); - - usb_drv_send_nonblocking(EP_INT, buffer, length); -} - -static void handle_aes_otp(struct usb_ctrlrequest *req) -{ - uint16_t length = req->wLength; - - int size = usb_drv_recv(EP_CONTROL, usb_buffer, length); - if(size != length) - usb_drv_stall(EP_CONTROL, true, true); - else - usb_drv_send(EP_CONTROL, NULL, 0); - do_aes_otp(usb_buffer, length, req->wValue); -} - -static void handle_class_dev_req(struct usb_ctrlrequest *req) -{ - switch(req->bRequest) - { - case HWSTUB_GET_INFO: - handle_get_info(req); - break; - case HWSTUB_GET_LOG: - handle_get_log(req); - break; - case HWSTUB_RW_MEM: - handle_rw_mem(req); - break; - case HWSTUB_CALL: - case HWSTUB_JUMP: - handle_call_jump(req); - break; - case HWSTUB_AES_OTP: - handle_aes_otp(req); - break; - default: - usb_drv_stall(EP_CONTROL, true, true); - } -} - -static void handle_class_req(struct usb_ctrlrequest *req) -{ - switch(req->bRequestType & USB_RECIP_MASK) - { - case USB_RECIP_DEVICE: - return handle_class_dev_req(req); - default: - usb_drv_stall(EP_CONTROL, true, true); - } -} - -/** - * - * Main - * - */ - -void main(uint32_t arg) -{ - usb_buffer_size = oc_buffersize; - - logf("hwstub %d.%d.%d\n", HWSTUB_VERSION_MAJOR, HWSTUB_VERSION_MINOR, - HWSTUB_VERSION_REV); - logf("argument: 0x%08x\n", arg); - - /* detect family */ - uint16_t product_code = __XTRACT(HW_DIGCTL_CHIPID, PRODUCT_CODE); - if(product_code >= 0x3600 && product_code < 0x3700) - { - logf("identified STMP3600 family\n"); - g_stmp_family = STMP3600; - } - else if(product_code == 0x3700) - { - logf("identified STMP3700 family\n"); - g_stmp_family = STMP3700; - } - else if(product_code == 0x37b0) - { - logf("identified STMP3770 family\n"); - g_stmp_family = STMP3770; - } - else if(product_code == 0x3780) - { - logf("identified STMP3780 family\n"); - g_stmp_family = STMP3780; - } - else - logf("cannot identify family: 0x%x\n", product_code); - - /* we don't know if USB was connected or not. In USB recovery mode it will - * but in other cases it might not be. In doubt, disconnect */ - REG_USBCMD &= ~USBCMD_RUN; - if(g_stmp_family == STMP3600) - { - /* CPU clock is always derived from PLL, if we switch to PLL, cpu will - * run at 480 MHz unprepared ! That's bad so prepare to run at slow sleed - * (1.2MHz) for a safe transition */ - HW_CLKCTRL_CPUCLKCTRL = HW_CLKCTRL_CPUCLKCTRL__WAIT_PLL_LOCK | 400; - /* We need to ensure that XBUS < HBUS but HBUS will be 1.2 MHz after the - * switch so lower XBUS too */ - HW_CLKCTRL_XBUSCLKCTRL = 20; - /* Power PLL */ - __REG_SET(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__POWER; - HW_CLKCTRL_PLLCTRL0 = (HW_CLKCTRL_PLLCTRL0 & ~0x3ff) | 480; - /* Wait lock */ - while(!(HW_CLKCTRL_PLLCTRL1 & HW_CLKCTRL_PLLCTRL1__LOCK)); - /* Switch to PLL source */ - __REG_CLR(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__BYPASS; - /* Get back XBUS = 24 MHz and CPU = HBUS = 64MHz */ - HW_CLKCTRL_CPUCLKCTRL = 7; - HW_CLKCTRL_HBUSCLKCTRL = 7; - HW_CLKCTRL_XBUSCLKCTRL = 1; - __REG_CLR(HW_CLKCTRL_UTMICLKCTRL) = HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK120M_GATE; - __REG_CLR(HW_CLKCTRL_UTMICLKCTRL) = HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK30M_GATE; - } - else - __REG_SET(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__POWER; - /* enable USB PHY PLL */ - __REG_SET(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__EN_USB_CLKS; - /* power up USB PHY */ - __REG_CLR(HW_USBPHY_CTRL) = __BLOCK_CLKGATE | __BLOCK_SFTRST; - HW_USBPHY_PWD = 0; - /* enable USB controller */ - __REG_CLR(HW_DIGCTL_CTRL) = HW_DIGCTL_CTRL__USB_CLKGATE; - /* reset the controller */ - REG_USBCMD |= USBCMD_CTRL_RESET; - while (REG_USBCMD & USBCMD_CTRL_RESET); - /* put it in device mode */ - REG_USBMODE = USBMODE_CTRL_MODE_DEVICE; - /* reset address */ - REG_DEVICEADDR = 0; - /* prepare qh array */ - qh_array[0].max_pkt_length = 1 << 29 | MAX_PKT_SIZE_EP0 << 16; - qh_array[1].max_pkt_length = 1 << 29 | MAX_PKT_SIZE_EP0 << 16; - qh_array[2].max_pkt_length = 1 << 29 | MAX_PKT_SIZE << 16; - qh_array[3].max_pkt_length = 1 << 29 | MAX_PKT_SIZE << 16; - /* setup qh */ - REG_ENDPOINTLISTADDR = (unsigned int)qh_array; - /* clear setup status */ - REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0; - /* run! */ - REG_USBCMD |= USBCMD_RUN; - - while(1) - { - /* wait for setup */ - while(!(REG_ENDPTSETUPSTAT & EPSETUP_STATUS_EP0)) - ; - /* clear setup status */ - REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0; - /* check request */ - asm volatile("":::"memory"); - struct usb_ctrlrequest *req = (void *)&qh_array[0].setup_buffer[0]; - - switch(req->bRequestType & USB_TYPE_MASK) - { - case USB_TYPE_STANDARD: - handle_std_req(req); - break; - case USB_TYPE_CLASS: - handle_class_req(req); - break; - default: - usb_drv_stall(EP_CONTROL, true, true); - } - } -} diff --git a/utils/hwstub/stmp/memcpy.S b/utils/hwstub/stmp/memcpy.S deleted file mode 100644 index 2a55fb5656..0000000000 --- a/utils/hwstub/stmp/memcpy.S +++ /dev/null @@ -1,176 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2006 Free Software Foundation, Inc. - * This file was originally part of the GNU C Library - * Contributed to glibc by MontaVista Software, Inc. (written by Nicolas Pitre) - * Adapted for Rockbox by Daniel Ankers - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#include "config.h" - -/* - * Endian independent macros for shifting bytes within registers. - */ -#ifndef __ARMEB__ -#define pull lsr -#define push lsl -#else -#define pull lsl -#define push lsr -#endif - -/* Prototype: void *memcpy(void *dest, const void *src, size_t n); */ - - .section .icode,"ax",%progbits - - .align 2 - .global memcpy - .type memcpy,%function - -memcpy: - stmfd sp!, {r0, r4, lr} - - subs r2, r2, #4 - blt 8f - ands ip, r0, #3 - bne 9f - ands ip, r1, #3 - bne 10f - -1: subs r2, r2, #(28) - stmfd sp!, {r5 - r8} - blt 5f - -2: -3: -4: ldmia r1!, {r3, r4, r5, r6, r7, r8, ip, lr} - subs r2, r2, #32 - stmia r0!, {r3, r4, r5, r6, r7, r8, ip, lr} - bge 3b - -5: ands ip, r2, #28 - rsb ip, ip, #32 - addne pc, pc, ip @ C is always clear here - b 7f -6: nop - ldr r3, [r1], #4 - ldr r4, [r1], #4 - ldr r5, [r1], #4 - ldr r6, [r1], #4 - ldr r7, [r1], #4 - ldr r8, [r1], #4 - ldr lr, [r1], #4 - - add pc, pc, ip - nop - nop - str r3, [r0], #4 - str r4, [r0], #4 - str r5, [r0], #4 - str r6, [r0], #4 - str r7, [r0], #4 - str r8, [r0], #4 - str lr, [r0], #4 - -7: ldmfd sp!, {r5 - r8} - -8: movs r2, r2, lsl #31 - ldrneb r3, [r1], #1 - ldrcsb r4, [r1], #1 - ldrcsb ip, [r1] - strneb r3, [r0], #1 - strcsb r4, [r0], #1 - strcsb ip, [r0] - - ldmpc regs="r0, r4" - -9: rsb ip, ip, #4 - cmp ip, #2 - ldrgtb r3, [r1], #1 - ldrgeb r4, [r1], #1 - ldrb lr, [r1], #1 - strgtb r3, [r0], #1 - strgeb r4, [r0], #1 - subs r2, r2, ip - strb lr, [r0], #1 - blt 8b - ands ip, r1, #3 - beq 1b - -10: bic r1, r1, #3 - cmp ip, #2 - ldr lr, [r1], #4 - beq 17f - bgt 18f - - - .macro forward_copy_shift pull push - - subs r2, r2, #28 - blt 14f - -11: stmfd sp!, {r5 - r9} - -12: -13: ldmia r1!, {r4, r5, r6, r7} - mov r3, lr, pull #\pull - subs r2, r2, #32 - ldmia r1!, {r8, r9, ip, lr} - orr r3, r3, r4, push #\push - mov r4, r4, pull #\pull - orr r4, r4, r5, push #\push - mov r5, r5, pull #\pull - orr r5, r5, r6, push #\push - mov r6, r6, pull #\pull - orr r6, r6, r7, push #\push - mov r7, r7, pull #\pull - orr r7, r7, r8, push #\push - mov r8, r8, pull #\pull - orr r8, r8, r9, push #\push - mov r9, r9, pull #\pull - orr r9, r9, ip, push #\push - mov ip, ip, pull #\pull - orr ip, ip, lr, push #\push - stmia r0!, {r3, r4, r5, r6, r7, r8, r9, ip} - bge 12b - - ldmfd sp!, {r5 - r9} - -14: ands ip, r2, #28 - beq 16f - -15: mov r3, lr, pull #\pull - ldr lr, [r1], #4 - subs ip, ip, #4 - orr r3, r3, lr, push #\push - str r3, [r0], #4 - bgt 15b - -16: sub r1, r1, #(\push / 8) - b 8b - - .endm - - - forward_copy_shift pull=8 push=24 - -17: forward_copy_shift pull=16 push=16 - -18: forward_copy_shift pull=24 push=8 - diff --git a/utils/hwstub/stmp/memmove.S b/utils/hwstub/stmp/memmove.S deleted file mode 100644 index d8cab048be..0000000000 --- a/utils/hwstub/stmp/memmove.S +++ /dev/null @@ -1,190 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2006 Free Software Foundation, Inc. - * This file was originally part of the GNU C Library - * Contributed to glibc by MontaVista Software, Inc. (written by Nicolas Pitre) - * Adapted for Rockbox by Daniel Ankers - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#include "config.h" - -/* - * Endian independent macros for shifting bytes within registers. - */ -#ifndef __ARMEB__ -#define pull lsr -#define push lsl -#else -#define pull lsl -#define push lsr -#endif - - .text - -/* - * Prototype: void *memmove(void *dest, const void *src, size_t n); - * - * Note: - * - * If the memory regions don't overlap, we simply branch to memcpy which is - * normally a bit faster. Otherwise the copy is done going downwards. - */ - - .section .icode,"ax",%progbits - - .align 2 - .global memmove - .type memmove,%function - -memmove: - - subs ip, r0, r1 - cmphi r2, ip - bls memcpy - - stmfd sp!, {r0, r4, lr} - add r1, r1, r2 - add r0, r0, r2 - subs r2, r2, #4 - blt 8f - ands ip, r0, #3 - bne 9f - ands ip, r1, #3 - bne 10f - -1: subs r2, r2, #(28) - stmfd sp!, {r5 - r8} - blt 5f - -2: -3: -4: ldmdb r1!, {r3, r4, r5, r6, r7, r8, ip, lr} - subs r2, r2, #32 - stmdb r0!, {r3, r4, r5, r6, r7, r8, ip, lr} - bge 3b - -5: ands ip, r2, #28 - rsb ip, ip, #32 - addne pc, pc, ip @ C is always clear here - b 7f -6: nop - ldr r3, [r1, #-4]! - ldr r4, [r1, #-4]! - ldr r5, [r1, #-4]! - ldr r6, [r1, #-4]! - ldr r7, [r1, #-4]! - ldr r8, [r1, #-4]! - ldr lr, [r1, #-4]! - - add pc, pc, ip - nop - nop - str r3, [r0, #-4]! - str r4, [r0, #-4]! - str r5, [r0, #-4]! - str r6, [r0, #-4]! - str r7, [r0, #-4]! - str r8, [r0, #-4]! - str lr, [r0, #-4]! - -7: ldmfd sp!, {r5 - r8} - -8: movs r2, r2, lsl #31 - ldrneb r3, [r1, #-1]! - ldrcsb r4, [r1, #-1]! - ldrcsb ip, [r1, #-1] - strneb r3, [r0, #-1]! - strcsb r4, [r0, #-1]! - strcsb ip, [r0, #-1] - ldmpc regs="r0, r4" - -9: cmp ip, #2 - ldrgtb r3, [r1, #-1]! - ldrgeb r4, [r1, #-1]! - ldrb lr, [r1, #-1]! - strgtb r3, [r0, #-1]! - strgeb r4, [r0, #-1]! - subs r2, r2, ip - strb lr, [r0, #-1]! - blt 8b - ands ip, r1, #3 - beq 1b - -10: bic r1, r1, #3 - cmp ip, #2 - ldr r3, [r1, #0] - beq 17f - blt 18f - - - .macro backward_copy_shift push pull - - subs r2, r2, #28 - blt 14f - -11: stmfd sp!, {r5 - r9} - -12: -13: ldmdb r1!, {r7, r8, r9, ip} - mov lr, r3, push #\push - subs r2, r2, #32 - ldmdb r1!, {r3, r4, r5, r6} - orr lr, lr, ip, pull #\pull - mov ip, ip, push #\push - orr ip, ip, r9, pull #\pull - mov r9, r9, push #\push - orr r9, r9, r8, pull #\pull - mov r8, r8, push #\push - orr r8, r8, r7, pull #\pull - mov r7, r7, push #\push - orr r7, r7, r6, pull #\pull - mov r6, r6, push #\push - orr r6, r6, r5, pull #\pull - mov r5, r5, push #\push - orr r5, r5, r4, pull #\pull - mov r4, r4, push #\push - orr r4, r4, r3, pull #\pull - stmdb r0!, {r4 - r9, ip, lr} - bge 12b - - ldmfd sp!, {r5 - r9} - -14: ands ip, r2, #28 - beq 16f - -15: mov lr, r3, push #\push - ldr r3, [r1, #-4]! - subs ip, ip, #4 - orr lr, lr, r3, pull #\pull - str lr, [r0, #-4]! - bgt 15b - -16: add r1, r1, #(\pull / 8) - b 8b - - .endm - - - backward_copy_shift push=8 pull=24 - -17: backward_copy_shift push=16 pull=16 - -18: backward_copy_shift push=24 pull=8 - - diff --git a/utils/hwstub/stmp/memset.S b/utils/hwstub/stmp/memset.S deleted file mode 100644 index 682da874ce..0000000000 --- a/utils/hwstub/stmp/memset.S +++ /dev/null @@ -1,98 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2006 by Thom Johansen - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include "config.h" - - .section .icode,"ax",%progbits - - .align 2 - -/* The following code is based on code found in Linux kernel version 2.6.15.3 - * linux/arch/arm/lib/memset.S - * - * Copyright (C) 1995-2000 Russell King - */ - -/* This code will align a pointer for memset, if needed */ -1: cmp r2, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strgtb r1, [r0, #-1]! @ 1 - strgeb r1, [r0, #-1]! @ 1 - strb r1, [r0, #-1]! @ 1 - sub r2, r2, r3 @ 1 r2 = r2 - r3 - b 2f - - .global memset - .type memset,%function -memset: - add r0, r0, r2 @ we'll write backwards in memory - ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 -2: -/* - * we know that the pointer in r0 is aligned to a word boundary. - */ - orr r1, r1, r1, lsl #8 - orr r1, r1, r1, lsl #16 - mov r3, r1 - cmp r2, #16 - blt 5f -/* - * We need an extra register for this loop - save the return address and - * use the LR - */ - str lr, [sp, #-4]! - mov ip, r1 - mov lr, r1 - -3: subs r2, r2, #64 - stmgedb r0!, {r1, r3, ip, lr} @ 64 bytes at a time. - stmgedb r0!, {r1, r3, ip, lr} - stmgedb r0!, {r1, r3, ip, lr} - stmgedb r0!, {r1, r3, ip, lr} - bgt 3b - ldrpc cond=eq @ Now <64 bytes to go. -/* - * No need to correct the count; we're only testing bits from now on - */ - tst r2, #32 - stmnedb r0!, {r1, r3, ip, lr} - stmnedb r0!, {r1, r3, ip, lr} - tst r2, #16 - stmnedb r0!, {r1, r3, ip, lr} - ldr lr, [sp], #4 - -5: tst r2, #8 - stmnedb r0!, {r1, r3} - tst r2, #4 - strne r1, [r0, #-4]! -/* - * When we get here, we've got less than 4 bytes to zero. We - * may have an unaligned pointer as well. - */ -6: tst r2, #2 - strneb r1, [r0, #-1]! - strneb r1, [r0, #-1]! - tst r2, #1 - strneb r1, [r0, #-1]! - bx lr -.end: - .size memset,.end-memset diff --git a/utils/hwstub/stmp/protocol.h b/utils/hwstub/stmp/protocol.h deleted file mode 100644 index 35510fa9b2..0000000000 --- a/utils/hwstub/stmp/protocol.h +++ /dev/null @@ -1 +0,0 @@ -#include "../hwstub_protocol.h" diff --git a/utils/hwstub/stmp/stddef.h b/utils/hwstub/stmp/stddef.h deleted file mode 100644 index 9bfd767750..0000000000 --- a/utils/hwstub/stmp/stddef.h +++ /dev/null @@ -1,32 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef __HWSTUB_STDDEF__ -#define __HWSTUB_STDDEF__ - -#include "stdint.h" - -typedef uint32_t size_t; -typedef int32_t ssize_t; - -#define MIN(a, b) ((a) < (b) ? (a) : (b)) -#define MAX(a, b) ((a) > (b) ? (a) : (b)) - -#endif /* __HWSTUB_STDDEF__ */ diff --git a/utils/hwstub/stmp/stdint.h b/utils/hwstub/stmp/stdint.h deleted file mode 100644 index 4fe3702c86..0000000000 --- a/utils/hwstub/stmp/stdint.h +++ /dev/null @@ -1,38 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2005 by Dave Chapman - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#ifndef __STDINT_H__ -#define __STDINT_H__ - -typedef signed char int8_t; -typedef unsigned char uint8_t; -typedef short int16_t; -typedef unsigned short uint16_t; -typedef long int32_t; -typedef unsigned long uint32_t; -typedef char bool; - -#define true 1 -#define false 0 - -#define NULL (void *)0 - -#endif /* __STDINT_H__ */ diff --git a/utils/hwstub/stmp/string.c b/utils/hwstub/stmp/string.c deleted file mode 100644 index 1f8c415a99..0000000000 --- a/utils/hwstub/stmp/string.c +++ /dev/null @@ -1,29 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include "string.h" - -size_t strlen(const char *s) -{ - size_t len = 0; - while(*s++) - len++; - return len; -} diff --git a/utils/hwstub/stmp/string.h b/utils/hwstub/stmp/string.h deleted file mode 100644 index 184144e525..0000000000 --- a/utils/hwstub/stmp/string.h +++ /dev/null @@ -1,30 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef __HWSTUB_STRING__ -#define __HWSTUB_STRING__ - -#include "stddef.h" - -void memset(void *dst, int c, size_t n); -void memcpy(void *dst, const void *src, size_t n); -size_t strlen(const char *s); - -#endif /* __HWSTUB_STRING__ */ diff --git a/utils/hwstub/stmp/system.h b/utils/hwstub/stmp/system.h deleted file mode 100644 index e5aea12051..0000000000 --- a/utils/hwstub/stmp/system.h +++ /dev/null @@ -1,118 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2012 by Amaury Pouly - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef __HWSTUB_SYSTEM__ -#define __HWSTUB_SYSTEM__ - -#define IRQ_ENABLED 0x00 -#define IRQ_DISABLED 0x80 -#define IRQ_STATUS 0x80 -#define FIQ_ENABLED 0x00 -#define FIQ_DISABLED 0x40 -#define FIQ_STATUS 0x40 -#define IRQ_FIQ_ENABLED 0x00 -#define IRQ_FIQ_DISABLED 0xc0 -#define IRQ_FIQ_STATUS 0xc0 -#define HIGHEST_IRQ_LEVEL IRQ_DISABLED - -#define set_irq_level(status) \ - set_interrupt_status((status), IRQ_STATUS) -#define set_fiq_status(status) \ - set_interrupt_status((status), FIQ_STATUS) - -#define disable_irq_save() \ - disable_interrupt_save(IRQ_STATUS) -#define disable_fiq_save() \ - disable_interrupt_save(FIQ_STATUS) - -#define restore_irq(cpsr) \ - restore_interrupt(cpsr) -#define restore_fiq(cpsr) \ - restore_interrupt(cpsr) - -#define disable_irq() \ - disable_interrupt(IRQ_STATUS) -#define enable_irq() \ - enable_interrupt(IRQ_STATUS) -#define disable_fiq() \ - disable_interrupt(FIQ_STATUS) -#define enable_fiq() \ - enable_interrupt(FIQ_STATUS) - -static inline int set_interrupt_status(int status, int mask) -{ - unsigned long cpsr; - int oldstatus; - /* Read the old levels and set the new ones */ - asm volatile ( - "mrs %1, cpsr \n" - "bic %0, %1, %[mask] \n" - "orr %0, %0, %2 \n" - "msr cpsr_c, %0 \n" - : "=&r,r"(cpsr), "=&r,r"(oldstatus) - : "r,i"(status & mask), [mask]"i,i"(mask)); - - return oldstatus; -} - -static inline void restore_interrupt(int cpsr) -{ - /* Set cpsr_c from value returned by disable_interrupt_save - * or set_interrupt_status */ - asm volatile ("msr cpsr_c, %0" : : "r"(cpsr)); -} - -static inline void enable_interrupt(int mask) -{ - /* Clear I and/or F disable bit */ - int tmp; - asm volatile ( - "mrs %0, cpsr \n" - "bic %0, %0, %1 \n" - "msr cpsr_c, %0 \n" - : "=&r"(tmp) : "i"(mask)); -} - -static inline void disable_interrupt(int mask) -{ - /* Set I and/or F disable bit */ - int tmp; - asm volatile ( - "mrs %0, cpsr \n" - "orr %0, %0, %1 \n" - "msr cpsr_c, %0 \n" - : "=&r"(tmp) : "i"(mask)); -} - -static inline int disable_interrupt_save(int mask) -{ - /* Set I and/or F disable bit and return old cpsr value */ - int cpsr, tmp; - asm volatile ( - "mrs %1, cpsr \n" - "orr %0, %1, %2 \n" - "msr cpsr_c, %0 \n" - : "=&r"(tmp), "=&r"(cpsr) - : "i"(mask)); - return cpsr; -} - -#endif /* __HWSTUB_SYSTEM__ */ - diff --git a/utils/hwstub/stmp/usb_ch9.h b/utils/hwstub/stmp/usb_ch9.h deleted file mode 100644 index 09141b93bd..0000000000 --- a/utils/hwstub/stmp/usb_ch9.h +++ /dev/null @@ -1,454 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) by Linux Kernel Developers - * - * Based on code from the Linux Kernel - * available at http://www.kernel.org - * Original file: /include/linux/usb/ch9.h - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -/* - * This file holds USB constants and structures that are needed for - * USB device APIs. These are used by the USB device model, which is - * defined in chapter 9 of the USB 2.0 specification and in the - * Wireless USB 1.0 (spread around). Linux has several APIs in C that - * need these: - * - * - the master/host side Linux-USB kernel driver API; - * - the "usbfs" user space API; and - * - the Linux "gadget" slave/device/peripheral side driver API. - * - * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems - * act either as a USB master/host or as a USB slave/device. That means - * the master and slave side APIs benefit from working well together. - * - * There's also "Wireless USB", using low power short range radios for - * peripheral interconnection but otherwise building on the USB framework. - * - * Note all descriptors are declared '__attribute__((packed))' so that: - * - * [a] they never get padded, either internally (USB spec writers - * probably handled that) or externally; - * - * [b] so that accessing bigger-than-a-bytes fields will never - * generate bus errors on any platform, even when the location of - * its descriptor inside a bundle isn't "naturally aligned", and - * - * [c] for consistency, removing all doubt even when it appears to - * someone that the two other points are non-issues for that - * particular descriptor type. - */ - -#ifndef _CH9_H_ -#define _CH9_H_ - -#include "stdint.h" - -/*-------------------------------------------------------------------------*/ - -/* CONTROL REQUEST SUPPORT */ - -/* - * USB directions - * - * This bit flag is used in endpoint descriptors' bEndpointAddress field. - * It's also one of three fields in control requests bRequestType. - */ -#define USB_DIR_OUT 0 /* to device */ -#define USB_DIR_IN 0x80 /* to host */ - -/* - * USB types, the second of three bRequestType fields - */ -#define USB_TYPE_MASK (0x03 << 5) -#define USB_TYPE_STANDARD (0x00 << 5) -#define USB_TYPE_CLASS (0x01 << 5) -#define USB_TYPE_VENDOR (0x02 << 5) -#define USB_TYPE_RESERVED (0x03 << 5) - -/* - * USB recipients, the third of three bRequestType fields - */ -#define USB_RECIP_MASK 0x1f -#define USB_RECIP_DEVICE 0x00 -#define USB_RECIP_INTERFACE 0x01 -#define USB_RECIP_ENDPOINT 0x02 -#define USB_RECIP_OTHER 0x03 - -/* - * Standard requests, for the bRequest field of a SETUP packet. - * - * These are qualified by the bRequestType field, so that for example - * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved - * by a GET_STATUS request. - */ -#define USB_REQ_GET_STATUS 0x00 -#define USB_REQ_CLEAR_FEATURE 0x01 -#define USB_REQ_SET_FEATURE 0x03 -#define USB_REQ_SET_ADDRESS 0x05 -#define USB_REQ_GET_DESCRIPTOR 0x06 -#define USB_REQ_SET_DESCRIPTOR 0x07 -#define USB_REQ_GET_CONFIGURATION 0x08 -#define USB_REQ_SET_CONFIGURATION 0x09 -#define USB_REQ_GET_INTERFACE 0x0A -#define USB_REQ_SET_INTERFACE 0x0B -#define USB_REQ_SYNCH_FRAME 0x0C -/* - * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and - * are read as a bit array returned by USB_REQ_GET_STATUS. (So there - * are at most sixteen features of each type.) Hubs may also support a - * new USB_REQ_TEST_AND_SET_FEATURE to put ports into L1 suspend. - */ -#define USB_DEVICE_SELF_POWERED 0 /* (read only) */ -#define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ -#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ -#define USB_DEVICE_BATTERY 2 /* (wireless) */ -#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ -#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless)*/ -#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ -#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ -#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ - -#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ - - -/** - * struct usb_ctrlrequest - SETUP data for a USB device control request - * @bRequestType: matches the USB bmRequestType field - * @bRequest: matches the USB bRequest field - * @wValue: matches the USB wValue field (le16 byte order) - * @wIndex: matches the USB wIndex field (le16 byte order) - * @wLength: matches the USB wLength field (le16 byte order) - * - * This structure is used to send control requests to a USB device. It matches - * the different fields of the USB 2.0 Spec section 9.3, table 9-2. See the - * USB spec for a fuller description of the different fields, and what they are - * used for. - * - * Note that the driver for any interface can issue control requests. - * For most devices, interfaces don't coordinate with each other, so - * such requests may be made at any time. - */ -struct usb_ctrlrequest { - uint8_t bRequestType; - uint8_t bRequest; - uint16_t wValue; - uint16_t wIndex; - uint16_t wLength; -} __attribute__ ((packed)); - -/*-------------------------------------------------------------------------*/ - -/* - * STANDARD DESCRIPTORS ... as returned by GET_DESCRIPTOR, or - * (rarely) accepted by SET_DESCRIPTOR. - * - * Note that all multi-byte values here are encoded in little endian - * byte order "on the wire". But when exposed through Linux-USB APIs, - * they've been converted to cpu byte order. - */ - -/* - * Descriptor types ... USB 2.0 spec table 9.5 - */ -#define USB_DT_DEVICE 0x01 -#define USB_DT_CONFIG 0x02 -#define USB_DT_STRING 0x03 -#define USB_DT_INTERFACE 0x04 -#define USB_DT_ENDPOINT 0x05 -#define USB_DT_DEVICE_QUALIFIER 0x06 -#define USB_DT_OTHER_SPEED_CONFIG 0x07 -#define USB_DT_INTERFACE_POWER 0x08 -/* these are from a minor usb 2.0 revision (ECN) */ -#define USB_DT_OTG 0x09 -#define USB_DT_DEBUG 0x0a -#define USB_DT_INTERFACE_ASSOCIATION 0x0b -/* these are from the Wireless USB spec */ -#define USB_DT_SECURITY 0x0c -#define USB_DT_KEY 0x0d -#define USB_DT_ENCRYPTION_TYPE 0x0e -#define USB_DT_BOS 0x0f -#define USB_DT_DEVICE_CAPABILITY 0x10 -#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 -#define USB_DT_WIRE_ADAPTER 0x21 -#define USB_DT_RPIPE 0x22 -#define USB_DT_CS_RADIO_CONTROL 0x23 - -/* Conventional codes for class-specific descriptors. The convention is - * defined in the USB "Common Class" Spec (3.11). Individual class specs - * are authoritative for their usage, not the "common class" writeup. - */ -#define USB_DT_CS_DEVICE (USB_TYPE_CLASS | USB_DT_DEVICE) -#define USB_DT_CS_CONFIG (USB_TYPE_CLASS | USB_DT_CONFIG) -#define USB_DT_CS_STRING (USB_TYPE_CLASS | USB_DT_STRING) -#define USB_DT_CS_INTERFACE (USB_TYPE_CLASS | USB_DT_INTERFACE) -#define USB_DT_CS_ENDPOINT (USB_TYPE_CLASS | USB_DT_ENDPOINT) - -/* All standard descriptors have these 2 fields at the beginning */ -struct usb_descriptor_header { - uint8_t bLength; - uint8_t bDescriptorType; -} __attribute__ ((packed)); - - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_DEVICE: Device descriptor */ -struct usb_device_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint16_t bcdUSB; - uint8_t bDeviceClass; - uint8_t bDeviceSubClass; - uint8_t bDeviceProtocol; - uint8_t bMaxPacketSize0; - uint16_t idVendor; - uint16_t idProduct; - uint16_t bcdDevice; - uint8_t iManufacturer; - uint8_t iProduct; - uint8_t iSerialNumber; - uint8_t bNumConfigurations; -} __attribute__ ((packed)); - -#define USB_DT_DEVICE_SIZE 18 - - -/* - * Device and/or Interface Class codes - * as found in bDeviceClass or bInterfaceClass - * and defined by www.usb.org documents - */ -#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ -#define USB_CLASS_AUDIO 1 -#define USB_CLASS_COMM 2 -#define USB_CLASS_HID 3 -#define USB_CLASS_PHYSICAL 5 -#define USB_CLASS_STILL_IMAGE 6 -#define USB_CLASS_PRINTER 7 -#define USB_CLASS_MASS_STORAGE 8 -#define USB_CLASS_HUB 9 -#define USB_CLASS_CDC_DATA 0x0a -#define USB_CLASS_CSCID 0x0b /* chip+ smart card */ -#define USB_CLASS_CONTENT_SEC 0x0d /* content security */ -#define USB_CLASS_VIDEO 0x0e -#define USB_CLASS_WIRELESS_CONTROLLER 0xe0 -#define USB_CLASS_MISC 0xef -#define USB_CLASS_APP_SPEC 0xfe -#define USB_CLASS_VENDOR_SPEC 0xff - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_CONFIG: Configuration descriptor information. - * - * USB_DT_OTHER_SPEED_CONFIG is the same descriptor, except that the - * descriptor type is different. Highspeed-capable devices can look - * different depending on what speed they're currently running. Only - * devices with a USB_DT_DEVICE_QUALIFIER have any OTHER_SPEED_CONFIG - * descriptors. - */ -struct usb_config_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint16_t wTotalLength; - uint8_t bNumInterfaces; - uint8_t bConfigurationValue; - uint8_t iConfiguration; - uint8_t bmAttributes; - uint8_t bMaxPower; -} __attribute__ ((packed)); - -#define USB_DT_CONFIG_SIZE 9 - -/* from config descriptor bmAttributes */ -#define USB_CONFIG_ATT_ONE (1 << 7) /* must be set */ -#define USB_CONFIG_ATT_SELFPOWER (1 << 6) /* self powered */ -#define USB_CONFIG_ATT_WAKEUP (1 << 5) /* can wakeup */ -#define USB_CONFIG_ATT_BATTERY (1 << 4) /* battery powered */ - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_STRING: String descriptor */ -struct usb_string_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint16_t wString[]; /* UTF-16LE encoded */ -} __attribute__ ((packed)); - -/* note that "string" zero is special, it holds language codes that - * the device supports, not Unicode characters. - */ - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_INTERFACE: Interface descriptor */ -struct usb_interface_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint8_t bInterfaceNumber; - uint8_t bAlternateSetting; - uint8_t bNumEndpoints; - uint8_t bInterfaceClass; - uint8_t bInterfaceSubClass; - uint8_t bInterfaceProtocol; - uint8_t iInterface; -} __attribute__ ((packed)); - -#define USB_DT_INTERFACE_SIZE 9 - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_ENDPOINT: Endpoint descriptor */ -struct usb_endpoint_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint8_t bEndpointAddress; - uint8_t bmAttributes; - uint16_t wMaxPacketSize; - uint8_t bInterval; -} __attribute__ ((packed)); - -#define USB_DT_ENDPOINT_SIZE 7 -#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ - - -/* - * Endpoints - */ -#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ -#define USB_ENDPOINT_DIR_MASK 0x80 - -#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ -#define USB_ENDPOINT_XFER_CONTROL 0 -#define USB_ENDPOINT_XFER_ISOC 1 -#define USB_ENDPOINT_XFER_BULK 2 -#define USB_ENDPOINT_XFER_INT 3 -#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 - - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */ -struct usb_qualifier_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint16_t bcdUSB; - uint8_t bDeviceClass; - uint8_t bDeviceSubClass; - uint8_t bDeviceProtocol; - uint8_t bMaxPacketSize0; - uint8_t bNumConfigurations; - uint8_t bRESERVED; -} __attribute__ ((packed)); - - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_OTG (from OTG 1.0a supplement) */ -struct usb_otg_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - uint8_t bmAttributes; /* support for HNP, SRP, etc */ -} __attribute__ ((packed)); - -/* from usb_otg_descriptor.bmAttributes */ -#define USB_OTG_SRP (1 << 0) -#define USB_OTG_HNP (1 << 1) /* swap host/device roles */ - -/*-------------------------------------------------------------------------*/ - -/* USB_DT_DEBUG: for special highspeed devices, replacing serial console */ -struct usb_debug_descriptor { - uint8_t bLength; - uint8_t bDescriptorType; - - /* bulk endpoints with 8 byte maxpacket */ - uint8_t bDebugInEndpoint; - uint8_t bDebugOutEndpoint; -} __attribute__((packed)); - -/*-------------------------------------------------------------------------*/ -/* USB 2.0 defines three speeds, here's how Linux identifies them */ - -enum usb_device_speed { - USB_SPEED_UNKNOWN = 0, /* enumerating */ - USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ - USB_SPEED_HIGH, /* usb 2.0 */ - USB_SPEED_VARIABLE, /* wireless (usb 2.5) */ -}; - -enum usb_device_state { - /* NOTATTACHED isn't in the USB spec, and this state acts - * the same as ATTACHED ... but it's clearer this way. - */ - USB_STATE_NOTATTACHED = 0, - - /* chapter 9 and authentication (wireless) device states */ - USB_STATE_ATTACHED, - USB_STATE_POWERED, /* wired */ - USB_STATE_UNAUTHENTICATED, /* auth */ - USB_STATE_RECONNECTING, /* auth */ - USB_STATE_DEFAULT, /* limited function */ - USB_STATE_ADDRESS, - USB_STATE_CONFIGURED, /* most functions */ - - USB_STATE_SUSPENDED - - /* NOTE: there are actually four different SUSPENDED - * states, returning to POWERED, DEFAULT, ADDRESS, or - * CONFIGURED respectively when SOF tokens flow again. - * At this level there's no difference between L1 and L2 - * suspend states. (L2 being original USB 1.1 suspend.) - */ -}; - -/** - * struct usb_string - wraps a C string and its USB id - * @id:the (nonzero) ID for this string - * @s:the string, in UTF-8 encoding - * - * If you're using usb_gadget_get_string(), use this to wrap a string - * together with its ID. - */ -struct usb_string { - uint8_t id; - const char* s; -}; - -/** - * struct usb_gadget_strings - a set of USB strings in a given language - * @language:identifies the strings' language (0x0409 for en-us) - * @strings:array of strings with their ids - * - * If you're using usb_gadget_get_string(), use this to wrap all the - * strings for a given language. - */ -struct usb_gadget_strings { - uint16_t language; /* 0x0409 for en-us */ - struct usb_string* strings; -}; - -#endif /*_CH9_H_*/ diff --git a/utils/hwstub/stub/SOURCES b/utils/hwstub/stub/SOURCES new file mode 100644 index 0000000000..bfb847c21b --- /dev/null +++ b/utils/hwstub/stub/SOURCES @@ -0,0 +1,12 @@ +main.c +crt0.S +logf.c +memcpy.S +memmove.S +memset.S +string.c +format.c +#ifdef CONFIG_STMP +usb_drv_arc.c +stmp/target.c +#endif diff --git a/utils/hwstub/stub/config.h b/utils/hwstub/stub/config.h new file mode 100644 index 0000000000..3cd2deeeb3 --- /dev/null +++ b/utils/hwstub/stub/config.h @@ -0,0 +1,49 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_CONFIG__ +#define __HWSTUB_CONFIG__ + +#include "target-config.h" + +#define STACK_SIZE 0x1000 +#define MAX_LOGF_SIZE 128 + +#if defined(CPU_ARM) && defined(__ASSEMBLER__) +/* ARMv4T doesn't switch the T bit when popping pc directly, we must use BX */ +.macro ldmpc cond="", order="ia", regs +#if ARM_ARCH == 4 && defined(USE_THUMB) + ldm\cond\order sp!, { \regs, lr } + bx\cond lr +#else + ldm\cond\order sp!, { \regs, pc } +#endif +.endm +.macro ldrpc cond="" +#if ARM_ARCH == 4 && defined(USE_THUMB) + ldr\cond lr, [sp], #4 + bx\cond lr +#else + ldr\cond pc, [sp], #4 +#endif +.endm +#endif + +#endif /* __HWSTUB_CONFIG__ */ diff --git a/utils/hwstub/stub/crt0.S b/utils/hwstub/stub/crt0.S new file mode 100644 index 0000000000..e2d4742d36 --- /dev/null +++ b/utils/hwstub/stub/crt0.S @@ -0,0 +1,17 @@ +.section .text,"ax",%progbits +.code 32 +.align 0x04 +.global start +start: + msr cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ/FIQ */ + ldr sp, =oc_stackend + /* clear bss */ + ldr r2, =bss_start + ldr r3, =bss_end + mov r4, #0 +1: + cmp r3, r2 + strhi r4, [r2], #4 + bhi 1b + /* jump to C code */ + b main diff --git a/utils/hwstub/stub/format.c b/utils/hwstub/stub/format.c new file mode 100644 index 0000000000..f5783159c0 --- /dev/null +++ b/utils/hwstub/stub/format.c @@ -0,0 +1,223 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 by Gary Czvitkovicz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + + +#include +#include +#include "stddef.h" +#include "string.h" +#include "format.h" + +static const char hexdigit[] = "0123456789ABCDEF"; + +void vuprintf( + /* call 'push()' for each output letter */ + int (*push)(void *userp, unsigned char data), + void *userp, + const char *fmt, + va_list ap) +{ + char *str; + char tmpbuf[12], pad; + int ch, width, val, sign, precision; + long lval, lsign; + unsigned int uval; + unsigned long ulval; + size_t uszval; + ssize_t szval, szsign; + bool ok = true; + + tmpbuf[sizeof tmpbuf - 1] = '\0'; + + while ((ch = *fmt++) != '\0' && ok) + { + if (ch == '%') + { + ch = *fmt++; + pad = ' '; + if (ch == '0') + pad = '0'; + + width = 0; + while (ch >= '0' && ch <= '9') + { + width = 10*width + ch - '0'; + ch = *fmt++; + } + + precision = 0; + if(ch == '.') + { + ch = *fmt++; + while (ch >= '0' && ch <= '9') + { + precision = 10*precision + ch - '0'; + ch = *fmt++; + } + } else { + precision = INT_MAX; + } + + str = tmpbuf + sizeof tmpbuf - 1; + switch (ch) + { + case 'c': + *--str = va_arg (ap, int); + break; + + case 's': + str = va_arg (ap, char*); + break; + + case 'd': + val = sign = va_arg (ap, int); + if (val < 0) + val = -val; + do + { + *--str = (val % 10) + '0'; + val /= 10; + } + while (val > 0); + if (sign < 0) + *--str = '-'; + break; + + case 'u': + uval = va_arg(ap, unsigned int); + do + { + *--str = (uval % 10) + '0'; + uval /= 10; + } + while (uval > 0); + break; + + case 'x': + case 'X': + pad='0'; + uval = va_arg (ap, int); + do + { + *--str = hexdigit[uval & 0xf]; + uval >>= 4; + } + while (uval); + break; + + case 'l': + ch = *fmt++; + switch(ch) { + case 'x': + case 'X': + pad='0'; + ulval = va_arg (ap, long); + do + { + *--str = hexdigit[ulval & 0xf]; + ulval >>= 4; + } + while (ulval); + break; + case 'd': + lval = lsign = va_arg (ap, long); + if (lval < 0) + lval = -lval; + do + { + *--str = (lval % 10) + '0'; + lval /= 10; + } + while (lval > 0); + if (lsign < 0) + *--str = '-'; + break; + + case 'u': + ulval = va_arg(ap, unsigned long); + do + { + *--str = (ulval % 10) + '0'; + ulval /= 10; + } + while (ulval > 0); + break; + + default: + *--str = 'l'; + *--str = ch; + } + + break; + + case 'z': + ch = *fmt++; + switch(ch) { + case 'd': + szval = szsign = va_arg (ap, ssize_t); + if (szval < 0) + szval = -szval; + do + { + *--str = (szval % 10) + '0'; + szval /= 10; + } + while (szval > 0); + if (szsign < 0) + *--str = '-'; + break; + + case 'u': + uszval = va_arg(ap, size_t); + do + { + *--str = (uszval % 10) + '0'; + uszval /= 10; + } + while (uszval > 0); + break; + + default: + *--str = 'z'; + *--str = ch; + } + + break; + + default: + *--str = ch; + break; + } + + if (width > 0) + { + width -= strlen (str); + while (width-- > 0 && ok) + ok=push(userp, pad); + } + while (*str != '\0' && ok && precision--) + ok=push(userp, *str++); + } + else + ok=push(userp, ch); + } +} + diff --git a/utils/hwstub/stub/format.h b/utils/hwstub/stub/format.h new file mode 100644 index 0000000000..2ad4229f1e --- /dev/null +++ b/utils/hwstub/stub/format.h @@ -0,0 +1,29 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_FORMAT__ +#define __HWSTUB_FORMAT__ + +#include + +void vuprintf(int (*push)(void *userp, unsigned char data), + void *userp, const char *fmt, va_list ap); + +#endif /* __HWSTUB_FORMAT__ */ diff --git a/utils/hwstub/stub/hwstub.lds b/utils/hwstub/stub/hwstub.lds new file mode 100644 index 0000000000..61504a3e75 --- /dev/null +++ b/utils/hwstub/stub/hwstub.lds @@ -0,0 +1,71 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" + +ENTRY(start) +OUTPUT_FORMAT(elf32-littlearm) +OUTPUT_ARCH(arm) +STARTUP(crt0.o) + +#define IRAM_END_ADDR (IRAM_ORIG + IRAM_SIZE) + +MEMORY +{ + OCRAM : ORIGIN = IRAM_ORIG, LENGTH = IRAM_SIZE +} + +SECTIONS +{ + .octext : + { + oc_codestart = .; + *(.text*) + *(.icode*) + *(.data*) + *(.rodata*) + } > OCRAM + + .bss (NOLOAD) : + { + bss_start = .; + *(.bss) + bss_end = .; + } > OCRAM + + .stack (NOLOAD) : + { + oc_codeend = .; + oc_stackstart = .; + . += STACK_SIZE; + oc_stackend = .; + oc_bufferstart = .; + } > OCRAM + + .ocend IRAM_END_ADDR (NOLOAD) : + { + oc_bufferend = .; + } > OCRAM + + /DISCARD/ : + { + *(.eh_frame) + } +} diff --git a/utils/hwstub/stub/hwstub.make b/utils/hwstub/stub/hwstub.make new file mode 100644 index 0000000000..b46a2736ef --- /dev/null +++ b/utils/hwstub/stub/hwstub.make @@ -0,0 +1,49 @@ +INCLUDES+=-I$(ROOT_DIR) +LINKER_FILE=$(ROOT_DIR)/hwstub.lds +TMP_LDS=$(BUILD_DIR)/link.lds +TMP_MAP=$(BUILD_DIR)/hwstub.map +CFLAGS=$(GCCOPTS) $(DEFINES) -W -Wall -Wundef -O -nostdlib -ffreestanding -Wstrict-prototypes -pipe -std=gnu99 -fomit-frame-pointer -Wno-pointer-sign -Wno-override-init $(INCLUDES) +ASFLAGS=$(CFLAGS) -D__ASSEMBLER__ +LDFLAGS=-lgcc -Os -nostdlib -T$(TMP_LDS) -Wl,-Map,$(TMP_MAP) $(INCLUDES) -L$(BUILD_DIR) + +SRC:=$(shell cat $(ROOT_DIR)/SOURCES | $(CC) $(INCLUDES) \ + $(DEFINES) -E -P -include "config.h" - 2>/dev/null \ + | grep -v "^\#") +SRC:=$(foreach src,$(SRC),$(BUILD_DIR)/$(src)) +OBJ=$(SRC:.c=.o) +OBJ:=$(OBJ:.S=.o) +OBJ_EXCEPT_CRT0=$(filter-out $(BUILD_DIR)/crt0.o,$(OBJ)) +EXEC_ELF=$(BUILD_DIR)/hwstub.elf +DEPS=$(foreach obj,$(OBJ),$(obj).d) + +EXEC=$(EXEC_ELF) + +SILENT?=@ +PRINTS=$(SILENT)$(call info,$(1)) + +all: $(EXEC) + +# pull in dependency info for *existing* .o files +-include $(DEPS) + +$(BUILD_DIR)/%.o: $(ROOT_DIR)/%.c + $(SILENT)mkdir -p $(dir $@) + $(call PRINTS,CC $( $@.d + +$(BUILD_DIR)/%.o: $(ROOT_DIR)/%.S + $(call PRINTS,AS $( $@ + +$(EXEC_ELF): $(OBJ) $(TMP_LDS) + $(call PRINTS,LD $(@F)) + $(SILENT)$(LD) $(LDFLAGS) -o $@ $(OBJ_EXCEPT_CRT0) + +clean: + $(SILENT)rm -rf $(OBJ) $(DEPS) $(EXEC) $(TMP_LDS) $(TMP_MAP) diff --git a/utils/hwstub/stub/logf.c b/utils/hwstub/stub/logf.c new file mode 100644 index 0000000000..623ddb1c6c --- /dev/null +++ b/utils/hwstub/stub/logf.c @@ -0,0 +1,69 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "logf.h" +#include "format.h" +#include "string.h" +#include "memory.h" + +static unsigned char logfbuffer[MAX_LOGF_SIZE]; +static int logfread = 0; +static int logfwrite = 0; +static int logfen = true; + +void enable_logf(bool en) +{ + logfen = en; +} + +static int logf_push(void *userp, unsigned char c) +{ + (void)userp; + + logfbuffer[logfwrite++] = c; + if(logfwrite == MAX_LOGF_SIZE) + logfwrite = 0; + return true; +} + +void logf(const char *fmt, ...) +{ + if(!logfen) return; + va_list ap; + va_start(ap, fmt); + vuprintf(logf_push, NULL, fmt, ap); + va_end(ap); +} + +size_t logf_readback(char *buf, size_t max_size) +{ + if(logfread == logfwrite) + return 0; + if(logfread < logfwrite) + max_size = MIN(max_size, (size_t)(logfwrite - logfread)); + else + max_size = MIN(max_size, (size_t)(MAX_LOGF_SIZE - logfread)); + memcpy(buf, &logfbuffer[logfread], max_size); + logfread += max_size; + if(logfread == MAX_LOGF_SIZE) + logfread = 0; + return max_size; +} diff --git a/utils/hwstub/stub/logf.h b/utils/hwstub/stub/logf.h new file mode 100644 index 0000000000..48c8c2c9b9 --- /dev/null +++ b/utils/hwstub/stub/logf.h @@ -0,0 +1,31 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_LOGF__ +#define __HWSTUB_LOGF__ + +#include "stddef.h" +#include + +void enable_logf(bool en); +void logf(const char *fmt, ...); +size_t logf_readback(char *buf, size_t max_size); + +#endif /* __HWSTUB_LOGF__ */ diff --git a/utils/hwstub/stub/memcpy.S b/utils/hwstub/stub/memcpy.S new file mode 100644 index 0000000000..2a55fb5656 --- /dev/null +++ b/utils/hwstub/stub/memcpy.S @@ -0,0 +1,176 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 Free Software Foundation, Inc. + * This file was originally part of the GNU C Library + * Contributed to glibc by MontaVista Software, Inc. (written by Nicolas Pitre) + * Adapted for Rockbox by Daniel Ankers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" + +/* + * Endian independent macros for shifting bytes within registers. + */ +#ifndef __ARMEB__ +#define pull lsr +#define push lsl +#else +#define pull lsl +#define push lsr +#endif + +/* Prototype: void *memcpy(void *dest, const void *src, size_t n); */ + + .section .icode,"ax",%progbits + + .align 2 + .global memcpy + .type memcpy,%function + +memcpy: + stmfd sp!, {r0, r4, lr} + + subs r2, r2, #4 + blt 8f + ands ip, r0, #3 + bne 9f + ands ip, r1, #3 + bne 10f + +1: subs r2, r2, #(28) + stmfd sp!, {r5 - r8} + blt 5f + +2: +3: +4: ldmia r1!, {r3, r4, r5, r6, r7, r8, ip, lr} + subs r2, r2, #32 + stmia r0!, {r3, r4, r5, r6, r7, r8, ip, lr} + bge 3b + +5: ands ip, r2, #28 + rsb ip, ip, #32 + addne pc, pc, ip @ C is always clear here + b 7f +6: nop + ldr r3, [r1], #4 + ldr r4, [r1], #4 + ldr r5, [r1], #4 + ldr r6, [r1], #4 + ldr r7, [r1], #4 + ldr r8, [r1], #4 + ldr lr, [r1], #4 + + add pc, pc, ip + nop + nop + str r3, [r0], #4 + str r4, [r0], #4 + str r5, [r0], #4 + str r6, [r0], #4 + str r7, [r0], #4 + str r8, [r0], #4 + str lr, [r0], #4 + +7: ldmfd sp!, {r5 - r8} + +8: movs r2, r2, lsl #31 + ldrneb r3, [r1], #1 + ldrcsb r4, [r1], #1 + ldrcsb ip, [r1] + strneb r3, [r0], #1 + strcsb r4, [r0], #1 + strcsb ip, [r0] + + ldmpc regs="r0, r4" + +9: rsb ip, ip, #4 + cmp ip, #2 + ldrgtb r3, [r1], #1 + ldrgeb r4, [r1], #1 + ldrb lr, [r1], #1 + strgtb r3, [r0], #1 + strgeb r4, [r0], #1 + subs r2, r2, ip + strb lr, [r0], #1 + blt 8b + ands ip, r1, #3 + beq 1b + +10: bic r1, r1, #3 + cmp ip, #2 + ldr lr, [r1], #4 + beq 17f + bgt 18f + + + .macro forward_copy_shift pull push + + subs r2, r2, #28 + blt 14f + +11: stmfd sp!, {r5 - r9} + +12: +13: ldmia r1!, {r4, r5, r6, r7} + mov r3, lr, pull #\pull + subs r2, r2, #32 + ldmia r1!, {r8, r9, ip, lr} + orr r3, r3, r4, push #\push + mov r4, r4, pull #\pull + orr r4, r4, r5, push #\push + mov r5, r5, pull #\pull + orr r5, r5, r6, push #\push + mov r6, r6, pull #\pull + orr r6, r6, r7, push #\push + mov r7, r7, pull #\pull + orr r7, r7, r8, push #\push + mov r8, r8, pull #\pull + orr r8, r8, r9, push #\push + mov r9, r9, pull #\pull + orr r9, r9, ip, push #\push + mov ip, ip, pull #\pull + orr ip, ip, lr, push #\push + stmia r0!, {r3, r4, r5, r6, r7, r8, r9, ip} + bge 12b + + ldmfd sp!, {r5 - r9} + +14: ands ip, r2, #28 + beq 16f + +15: mov r3, lr, pull #\pull + ldr lr, [r1], #4 + subs ip, ip, #4 + orr r3, r3, lr, push #\push + str r3, [r0], #4 + bgt 15b + +16: sub r1, r1, #(\push / 8) + b 8b + + .endm + + + forward_copy_shift pull=8 push=24 + +17: forward_copy_shift pull=16 push=16 + +18: forward_copy_shift pull=24 push=8 + diff --git a/utils/hwstub/stub/memmove.S b/utils/hwstub/stub/memmove.S new file mode 100644 index 0000000000..d8cab048be --- /dev/null +++ b/utils/hwstub/stub/memmove.S @@ -0,0 +1,190 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 Free Software Foundation, Inc. + * This file was originally part of the GNU C Library + * Contributed to glibc by MontaVista Software, Inc. (written by Nicolas Pitre) + * Adapted for Rockbox by Daniel Ankers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" + +/* + * Endian independent macros for shifting bytes within registers. + */ +#ifndef __ARMEB__ +#define pull lsr +#define push lsl +#else +#define pull lsl +#define push lsr +#endif + + .text + +/* + * Prototype: void *memmove(void *dest, const void *src, size_t n); + * + * Note: + * + * If the memory regions don't overlap, we simply branch to memcpy which is + * normally a bit faster. Otherwise the copy is done going downwards. + */ + + .section .icode,"ax",%progbits + + .align 2 + .global memmove + .type memmove,%function + +memmove: + + subs ip, r0, r1 + cmphi r2, ip + bls memcpy + + stmfd sp!, {r0, r4, lr} + add r1, r1, r2 + add r0, r0, r2 + subs r2, r2, #4 + blt 8f + ands ip, r0, #3 + bne 9f + ands ip, r1, #3 + bne 10f + +1: subs r2, r2, #(28) + stmfd sp!, {r5 - r8} + blt 5f + +2: +3: +4: ldmdb r1!, {r3, r4, r5, r6, r7, r8, ip, lr} + subs r2, r2, #32 + stmdb r0!, {r3, r4, r5, r6, r7, r8, ip, lr} + bge 3b + +5: ands ip, r2, #28 + rsb ip, ip, #32 + addne pc, pc, ip @ C is always clear here + b 7f +6: nop + ldr r3, [r1, #-4]! + ldr r4, [r1, #-4]! + ldr r5, [r1, #-4]! + ldr r6, [r1, #-4]! + ldr r7, [r1, #-4]! + ldr r8, [r1, #-4]! + ldr lr, [r1, #-4]! + + add pc, pc, ip + nop + nop + str r3, [r0, #-4]! + str r4, [r0, #-4]! + str r5, [r0, #-4]! + str r6, [r0, #-4]! + str r7, [r0, #-4]! + str r8, [r0, #-4]! + str lr, [r0, #-4]! + +7: ldmfd sp!, {r5 - r8} + +8: movs r2, r2, lsl #31 + ldrneb r3, [r1, #-1]! + ldrcsb r4, [r1, #-1]! + ldrcsb ip, [r1, #-1] + strneb r3, [r0, #-1]! + strcsb r4, [r0, #-1]! + strcsb ip, [r0, #-1] + ldmpc regs="r0, r4" + +9: cmp ip, #2 + ldrgtb r3, [r1, #-1]! + ldrgeb r4, [r1, #-1]! + ldrb lr, [r1, #-1]! + strgtb r3, [r0, #-1]! + strgeb r4, [r0, #-1]! + subs r2, r2, ip + strb lr, [r0, #-1]! + blt 8b + ands ip, r1, #3 + beq 1b + +10: bic r1, r1, #3 + cmp ip, #2 + ldr r3, [r1, #0] + beq 17f + blt 18f + + + .macro backward_copy_shift push pull + + subs r2, r2, #28 + blt 14f + +11: stmfd sp!, {r5 - r9} + +12: +13: ldmdb r1!, {r7, r8, r9, ip} + mov lr, r3, push #\push + subs r2, r2, #32 + ldmdb r1!, {r3, r4, r5, r6} + orr lr, lr, ip, pull #\pull + mov ip, ip, push #\push + orr ip, ip, r9, pull #\pull + mov r9, r9, push #\push + orr r9, r9, r8, pull #\pull + mov r8, r8, push #\push + orr r8, r8, r7, pull #\pull + mov r7, r7, push #\push + orr r7, r7, r6, pull #\pull + mov r6, r6, push #\push + orr r6, r6, r5, pull #\pull + mov r5, r5, push #\push + orr r5, r5, r4, pull #\pull + mov r4, r4, push #\push + orr r4, r4, r3, pull #\pull + stmdb r0!, {r4 - r9, ip, lr} + bge 12b + + ldmfd sp!, {r5 - r9} + +14: ands ip, r2, #28 + beq 16f + +15: mov lr, r3, push #\push + ldr r3, [r1, #-4]! + subs ip, ip, #4 + orr lr, lr, r3, pull #\pull + str lr, [r0, #-4]! + bgt 15b + +16: add r1, r1, #(\pull / 8) + b 8b + + .endm + + + backward_copy_shift push=8 pull=24 + +17: backward_copy_shift push=16 pull=16 + +18: backward_copy_shift push=24 pull=8 + + diff --git a/utils/hwstub/stub/memory.h b/utils/hwstub/stub/memory.h new file mode 100644 index 0000000000..206ed8604a --- /dev/null +++ b/utils/hwstub/stub/memory.h @@ -0,0 +1,30 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2013 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_MEMORY__ +#define __HWSTUB_MEMORY__ + +#include "stddef.h" + +void memset(void *dst, int c, size_t n); +void memcpy(void *dst, const void *src, size_t n); +void memmove(void *dst, const void *src, size_t n); + +#endif /* __HWSTUB_MEMORY__ */ \ No newline at end of file diff --git a/utils/hwstub/stub/memset.S b/utils/hwstub/stub/memset.S new file mode 100644 index 0000000000..682da874ce --- /dev/null +++ b/utils/hwstub/stub/memset.S @@ -0,0 +1,98 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 by Thom Johansen + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" + + .section .icode,"ax",%progbits + + .align 2 + +/* The following code is based on code found in Linux kernel version 2.6.15.3 + * linux/arch/arm/lib/memset.S + * + * Copyright (C) 1995-2000 Russell King + */ + +/* This code will align a pointer for memset, if needed */ +1: cmp r2, #4 @ 1 do we have enough + blt 5f @ 1 bytes to align with? + cmp r3, #2 @ 1 + strgtb r1, [r0, #-1]! @ 1 + strgeb r1, [r0, #-1]! @ 1 + strb r1, [r0, #-1]! @ 1 + sub r2, r2, r3 @ 1 r2 = r2 - r3 + b 2f + + .global memset + .type memset,%function +memset: + add r0, r0, r2 @ we'll write backwards in memory + ands r3, r0, #3 @ 1 unaligned? + bne 1b @ 1 +2: +/* + * we know that the pointer in r0 is aligned to a word boundary. + */ + orr r1, r1, r1, lsl #8 + orr r1, r1, r1, lsl #16 + mov r3, r1 + cmp r2, #16 + blt 5f +/* + * We need an extra register for this loop - save the return address and + * use the LR + */ + str lr, [sp, #-4]! + mov ip, r1 + mov lr, r1 + +3: subs r2, r2, #64 + stmgedb r0!, {r1, r3, ip, lr} @ 64 bytes at a time. + stmgedb r0!, {r1, r3, ip, lr} + stmgedb r0!, {r1, r3, ip, lr} + stmgedb r0!, {r1, r3, ip, lr} + bgt 3b + ldrpc cond=eq @ Now <64 bytes to go. +/* + * No need to correct the count; we're only testing bits from now on + */ + tst r2, #32 + stmnedb r0!, {r1, r3, ip, lr} + stmnedb r0!, {r1, r3, ip, lr} + tst r2, #16 + stmnedb r0!, {r1, r3, ip, lr} + ldr lr, [sp], #4 + +5: tst r2, #8 + stmnedb r0!, {r1, r3} + tst r2, #4 + strne r1, [r0, #-4]! +/* + * When we get here, we've got less than 4 bytes to zero. We + * may have an unaligned pointer as well. + */ +6: tst r2, #2 + strneb r1, [r0, #-1]! + strneb r1, [r0, #-1]! + tst r2, #1 + strneb r1, [r0, #-1]! + bx lr +.end: + .size memset,.end-memset diff --git a/utils/hwstub/stub/protocol.h b/utils/hwstub/stub/protocol.h new file mode 100644 index 0000000000..35510fa9b2 --- /dev/null +++ b/utils/hwstub/stub/protocol.h @@ -0,0 +1 @@ +#include "../hwstub_protocol.h" diff --git a/utils/hwstub/stub/stddef.h b/utils/hwstub/stub/stddef.h new file mode 100644 index 0000000000..9bfd767750 --- /dev/null +++ b/utils/hwstub/stub/stddef.h @@ -0,0 +1,32 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_STDDEF__ +#define __HWSTUB_STDDEF__ + +#include "stdint.h" + +typedef uint32_t size_t; +typedef int32_t ssize_t; + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define MAX(a, b) ((a) > (b) ? (a) : (b)) + +#endif /* __HWSTUB_STDDEF__ */ diff --git a/utils/hwstub/stub/stdint.h b/utils/hwstub/stub/stdint.h new file mode 100644 index 0000000000..393ff3fffd --- /dev/null +++ b/utils/hwstub/stub/stdint.h @@ -0,0 +1,40 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2005 by Dave Chapman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __STDINT_H__ +#define __STDINT_H__ + +typedef signed char int8_t; +typedef unsigned char uint8_t; +typedef short int16_t; +typedef unsigned short uint16_t; +typedef long int32_t; +typedef unsigned long uint32_t; +typedef unsigned long long uint64_t; +typedef uint32_t intptr_t; +typedef char bool; + +#define true 1 +#define false 0 + +#define NULL (void *)0 + +#endif /* __STDINT_H__ */ diff --git a/utils/hwstub/stub/stmp/Makefile b/utils/hwstub/stub/stmp/Makefile new file mode 100644 index 0000000000..14e6d0fbba --- /dev/null +++ b/utils/hwstub/stub/stmp/Makefile @@ -0,0 +1,14 @@ +# +# common +# +CC=arm-elf-eabi-gcc +LD=arm-elf-eabi-gcc +AS=arm-elf-eabi-gcc +OC=arm-elf-eabi-objcopy +DEFINES= +INCLUDES=-I$(CURDIR) +GCCOPTS=-mcpu=arm926ej-s +BUILD_DIR=$(CURDIR)/build/ +ROOT_DIR=$(CURDIR)/.. + +include ../hwstub.make \ No newline at end of file diff --git a/utils/hwstub/stub/stmp/target-config.h b/utils/hwstub/stub/stmp/target-config.h new file mode 100644 index 0000000000..aba2cf564b --- /dev/null +++ b/utils/hwstub/stub/stmp/target-config.h @@ -0,0 +1,9 @@ +#define CONFIG_STMP +#define IRAM_ORIG 0 +#define IRAM_SIZE 0x8000 +#define DRAM_ORIG 0x40000000 +#define DRAM_SIZE (MEMORYSIZE * 0x100000) +#define CPU_ARM +#define ARM_ARCH 5 +#define USB_BASE 0x80080000 +#define USB_NUM_ENDPOINTS 2 \ No newline at end of file diff --git a/utils/hwstub/stub/stmp/target.c b/utils/hwstub/stub/stmp/target.c new file mode 100644 index 0000000000..60411f908e --- /dev/null +++ b/utils/hwstub/stub/stmp/target.c @@ -0,0 +1,205 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2013 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "stddef.h" +#include "target.h" +#include "system.h" +#include "logf.h" + +#define __REG_SET(reg) (*((volatile uint32_t *)(® + 1))) +#define __REG_CLR(reg) (*((volatile uint32_t *)(® + 2))) +#define __REG_TOG(reg) (*((volatile uint32_t *)(® + 3))) + +#define __BLOCK_SFTRST (1 << 31) +#define __BLOCK_CLKGATE (1 << 30) + +#define __XTRACT(reg, field) ((reg & reg##__##field##_BM) >> reg##__##field##_BP) +#define __XTRACT_EX(val, field) (((val) & field##_BM) >> field##_BP) +#define __FIELD_SET(reg, field, val) reg = (reg & ~reg##__##field##_BM) | (val << reg##__##field##_BP) + +/** + * + * Global + * + */ + +enum stmp_family_t +{ + UNKNOWN, + STMP3600, + STMP3700, + STMP3770, + STMP3780 +}; + +enum stmp_family_t g_stmp_family = UNKNOWN; + +/** + * + * Clkctrl + * + */ + +#define HW_CLKCTRL_BASE 0x80040000 + +#define HW_CLKCTRL_PLLCTRL0 (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x0)) +#define HW_CLKCTRL_PLLCTRL0__BYPASS (1 << 17) /* STMP3600 only */ +#define HW_CLKCTRL_PLLCTRL0__POWER (1 << 16) +#define HW_CLKCTRL_PLLCTRL0__EN_USB_CLKS (1 << 18) + +#define HW_CLKCTRL_PLLCTRL1 (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x10)) +#define HW_CLKCTRL_PLLCTRL1__LOCK (1 << 31) + +/* STMP3600 only */ +#define HW_CLKCTRL_CPUCLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x20)) +#define HW_CLKCTRL_CPUCLKCTRL__DIV_BP 0 +#define HW_CLKCTRL_CPUCLKCTRL__DIV_BM 0x3ff +#define HW_CLKCTRL_CPUCLKCTRL__WAIT_PLL_LOCK (1 << 30) + +/* STMP3600 */ +#define HW_CLKCTRL_HBUSCLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x30)) + +/* STMP3600 only */ +#define HW_CLKCTRL_XBUSCLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x40)) +#define HW_CLKCTRL_XBUSCLKCTRL__DIV_BP 0 +#define HW_CLKCTRL_XBUSCLKCTRL__DIV_BM 0x3ff + +/* STMP3600 only */ +#define HW_CLKCTRL_UTMICLKCTRL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x70)) +#define HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK30M_GATE (1 << 30) +#define HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK120M_GATE (1 << 31) + +/** + * + * Digctl + * + */ + +/* Digital control */ +#define HW_DIGCTL_BASE 0x8001C000 +#define HW_DIGCTL_CTRL (*(volatile uint32_t *)(HW_DIGCTL_BASE + 0)) +#define HW_DIGCTL_CTRL__USB_CLKGATE (1 << 2) + +#define HW_DIGCTL_MICROSECONDS (*(volatile uint32_t *)(HW_DIGCTL_BASE + 0xC0)) + +#define HW_DIGCTL_CHIPID (*(volatile uint32_t *)(HW_DIGCTL_BASE + 0x310)) +#define HW_DIGCTL_CHIPID__PRODUCT_CODE_BP 16 +#define HW_DIGCTL_CHIPID__PRODUCT_CODE_BM 0xffff0000 +#define HW_DIGCTL_CHIPID__REVISION_BP 0 +#define HW_DIGCTL_CHIPID__REVISION_BM 0xff + +#define HZ 1000000 + +/** + * + * USB PHY + * + */ +/* USB Phy */ +#define HW_USBPHY_BASE 0x8007C000 +#define HW_USBPHY_PWD (*(volatile uint32_t *)(HW_USBPHY_BASE + 0)) + +#define HW_USBPHY_CTRL (*(volatile uint32_t *)(HW_USBPHY_BASE + 0x30)) + +void target_init(void) +{ + /* detect family */ + uint16_t product_code = __XTRACT(HW_DIGCTL_CHIPID, PRODUCT_CODE); + if(product_code >= 0x3600 && product_code < 0x3700) + { + logf("identified STMP3600 family\n"); + g_stmp_family = STMP3600; + } + else if(product_code == 0x3700) + { + logf("identified STMP3700 family\n"); + g_stmp_family = STMP3700; + } + else if(product_code == 0x37b0) + { + logf("identified STMP3770 family\n"); + g_stmp_family = STMP3770; + } + else if(product_code == 0x3780) + { + logf("identified STMP3780 family\n"); + g_stmp_family = STMP3780; + } + else + logf("cannot identify family: 0x%x\n", product_code); + + if(g_stmp_family == STMP3600) + { + /* CPU clock is always derived from PLL, if we switch to PLL, cpu will + * run at 480 MHz unprepared ! That's bad so prepare to run at slow sleed + * (1.2MHz) for a safe transition */ + HW_CLKCTRL_CPUCLKCTRL = HW_CLKCTRL_CPUCLKCTRL__WAIT_PLL_LOCK | 400; + /* We need to ensure that XBUS < HBUS but HBUS will be 1.2 MHz after the + * switch so lower XBUS too */ + HW_CLKCTRL_XBUSCLKCTRL = 20; + /* Power PLL */ + __REG_SET(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__POWER; + HW_CLKCTRL_PLLCTRL0 = (HW_CLKCTRL_PLLCTRL0 & ~0x3ff) | 480; + /* Wait lock */ + while(!(HW_CLKCTRL_PLLCTRL1 & HW_CLKCTRL_PLLCTRL1__LOCK)); + /* Switch to PLL source */ + __REG_CLR(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__BYPASS; + /* Get back XBUS = 24 MHz and CPU = HBUS = 64MHz */ + HW_CLKCTRL_CPUCLKCTRL = 7; + HW_CLKCTRL_HBUSCLKCTRL = 7; + HW_CLKCTRL_XBUSCLKCTRL = 1; + __REG_CLR(HW_CLKCTRL_UTMICLKCTRL) = HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK120M_GATE; + __REG_CLR(HW_CLKCTRL_UTMICLKCTRL) = HW_CLKCTRL_UTMICLKCTRL__UTMI_CLK30M_GATE; + } + else + __REG_SET(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__POWER; + /* enable USB PHY PLL */ + __REG_SET(HW_CLKCTRL_PLLCTRL0) = HW_CLKCTRL_PLLCTRL0__EN_USB_CLKS; + /* power up USB PHY */ + __REG_CLR(HW_USBPHY_CTRL) = __BLOCK_CLKGATE | __BLOCK_SFTRST; + HW_USBPHY_PWD = 0; + /* enable USB controller */ + __REG_CLR(HW_DIGCTL_CTRL) = HW_DIGCTL_CTRL__USB_CLKGATE; +} + +static struct usb_resp_info_stmp_t g_stmp; +static struct usb_resp_info_target_t g_target = +{ + .id = HWSTUB_TARGET_STMP, + .name = "STMP3600 / STMP3700 / STMP3780 (i.MX233)" +}; + +int target_get_info(int info, void **buffer) +{ + if(info == HWSTUB_INFO_STMP) + { + g_stmp.chipid = __XTRACT(HW_DIGCTL_CHIPID, PRODUCT_CODE); + g_stmp.rev = __XTRACT(HW_DIGCTL_CHIPID, REVISION); + g_stmp.is_supported = g_stmp_family != 0; + *buffer = &g_stmp; + return sizeof(g_stmp); + } + else + return -1; +} + +void target_exit(void) +{ +} diff --git a/utils/hwstub/stub/string.c b/utils/hwstub/stub/string.c new file mode 100644 index 0000000000..1f8c415a99 --- /dev/null +++ b/utils/hwstub/stub/string.c @@ -0,0 +1,29 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "string.h" + +size_t strlen(const char *s) +{ + size_t len = 0; + while(*s++) + len++; + return len; +} diff --git a/utils/hwstub/stub/string.h b/utils/hwstub/stub/string.h new file mode 100644 index 0000000000..ae352fe50e --- /dev/null +++ b/utils/hwstub/stub/string.h @@ -0,0 +1,28 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_STRING__ +#define __HWSTUB_STRING__ + +#include "stddef.h" + +size_t strlen(const char *s); + +#endif /* __HWSTUB_STRING__ */ diff --git a/utils/hwstub/stub/system.h b/utils/hwstub/stub/system.h new file mode 100644 index 0000000000..e5aea12051 --- /dev/null +++ b/utils/hwstub/stub/system.h @@ -0,0 +1,118 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2012 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __HWSTUB_SYSTEM__ +#define __HWSTUB_SYSTEM__ + +#define IRQ_ENABLED 0x00 +#define IRQ_DISABLED 0x80 +#define IRQ_STATUS 0x80 +#define FIQ_ENABLED 0x00 +#define FIQ_DISABLED 0x40 +#define FIQ_STATUS 0x40 +#define IRQ_FIQ_ENABLED 0x00 +#define IRQ_FIQ_DISABLED 0xc0 +#define IRQ_FIQ_STATUS 0xc0 +#define HIGHEST_IRQ_LEVEL IRQ_DISABLED + +#define set_irq_level(status) \ + set_interrupt_status((status), IRQ_STATUS) +#define set_fiq_status(status) \ + set_interrupt_status((status), FIQ_STATUS) + +#define disable_irq_save() \ + disable_interrupt_save(IRQ_STATUS) +#define disable_fiq_save() \ + disable_interrupt_save(FIQ_STATUS) + +#define restore_irq(cpsr) \ + restore_interrupt(cpsr) +#define restore_fiq(cpsr) \ + restore_interrupt(cpsr) + +#define disable_irq() \ + disable_interrupt(IRQ_STATUS) +#define enable_irq() \ + enable_interrupt(IRQ_STATUS) +#define disable_fiq() \ + disable_interrupt(FIQ_STATUS) +#define enable_fiq() \ + enable_interrupt(FIQ_STATUS) + +static inline int set_interrupt_status(int status, int mask) +{ + unsigned long cpsr; + int oldstatus; + /* Read the old levels and set the new ones */ + asm volatile ( + "mrs %1, cpsr \n" + "bic %0, %1, %[mask] \n" + "orr %0, %0, %2 \n" + "msr cpsr_c, %0 \n" + : "=&r,r"(cpsr), "=&r,r"(oldstatus) + : "r,i"(status & mask), [mask]"i,i"(mask)); + + return oldstatus; +} + +static inline void restore_interrupt(int cpsr) +{ + /* Set cpsr_c from value returned by disable_interrupt_save + * or set_interrupt_status */ + asm volatile ("msr cpsr_c, %0" : : "r"(cpsr)); +} + +static inline void enable_interrupt(int mask) +{ + /* Clear I and/or F disable bit */ + int tmp; + asm volatile ( + "mrs %0, cpsr \n" + "bic %0, %0, %1 \n" + "msr cpsr_c, %0 \n" + : "=&r"(tmp) : "i"(mask)); +} + +static inline void disable_interrupt(int mask) +{ + /* Set I and/or F disable bit */ + int tmp; + asm volatile ( + "mrs %0, cpsr \n" + "orr %0, %0, %1 \n" + "msr cpsr_c, %0 \n" + : "=&r"(tmp) : "i"(mask)); +} + +static inline int disable_interrupt_save(int mask) +{ + /* Set I and/or F disable bit and return old cpsr value */ + int cpsr, tmp; + asm volatile ( + "mrs %1, cpsr \n" + "orr %0, %1, %2 \n" + "msr cpsr_c, %0 \n" + : "=&r"(tmp), "=&r"(cpsr) + : "i"(mask)); + return cpsr; +} + +#endif /* __HWSTUB_SYSTEM__ */ + diff --git a/utils/hwstub/stub/target.h b/utils/hwstub/stub/target.h new file mode 100644 index 0000000000..3f1551c72d --- /dev/null +++ b/utils/hwstub/stub/target.h @@ -0,0 +1,31 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2013 by Amaury Pouly + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef __TARGET_H__ +#define __TARGET_H__ + +#include "protocol.h" + +void target_init(void); +void target_exit(void); +/* return actual size or -1 if error */ +int target_get_info(int info, void **buffer); + +#endif /* __TARGET_H__ */ diff --git a/utils/hwstub/stub/usb_ch9.h b/utils/hwstub/stub/usb_ch9.h new file mode 100644 index 0000000000..09141b93bd --- /dev/null +++ b/utils/hwstub/stub/usb_ch9.h @@ -0,0 +1,454 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) by Linux Kernel Developers + * + * Based on code from the Linux Kernel + * available at http://www.kernel.org + * Original file: /include/linux/usb/ch9.h + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +/* + * This file holds USB constants and structures that are needed for + * USB device APIs. These are used by the USB device model, which is + * defined in chapter 9 of the USB 2.0 specification and in the + * Wireless USB 1.0 (spread around). Linux has several APIs in C that + * need these: + * + * - the master/host side Linux-USB kernel driver API; + * - the "usbfs" user space API; and + * - the Linux "gadget" slave/device/peripheral side driver API. + * + * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems + * act either as a USB master/host or as a USB slave/device. That means + * the master and slave side APIs benefit from working well together. + * + * There's also "Wireless USB", using low power short range radios for + * peripheral interconnection but otherwise building on the USB framework. + * + * Note all descriptors are declared '__attribute__((packed))' so that: + * + * [a] they never get padded, either internally (USB spec writers + * probably handled that) or externally; + * + * [b] so that accessing bigger-than-a-bytes fields will never + * generate bus errors on any platform, even when the location of + * its descriptor inside a bundle isn't "naturally aligned", and + * + * [c] for consistency, removing all doubt even when it appears to + * someone that the two other points are non-issues for that + * particular descriptor type. + */ + +#ifndef _CH9_H_ +#define _CH9_H_ + +#include "stdint.h" + +/*-------------------------------------------------------------------------*/ + +/* CONTROL REQUEST SUPPORT */ + +/* + * USB directions + * + * This bit flag is used in endpoint descriptors' bEndpointAddress field. + * It's also one of three fields in control requests bRequestType. + */ +#define USB_DIR_OUT 0 /* to device */ +#define USB_DIR_IN 0x80 /* to host */ + +/* + * USB types, the second of three bRequestType fields + */ +#define USB_TYPE_MASK (0x03 << 5) +#define USB_TYPE_STANDARD (0x00 << 5) +#define USB_TYPE_CLASS (0x01 << 5) +#define USB_TYPE_VENDOR (0x02 << 5) +#define USB_TYPE_RESERVED (0x03 << 5) + +/* + * USB recipients, the third of three bRequestType fields + */ +#define USB_RECIP_MASK 0x1f +#define USB_RECIP_DEVICE 0x00 +#define USB_RECIP_INTERFACE 0x01 +#define USB_RECIP_ENDPOINT 0x02 +#define USB_RECIP_OTHER 0x03 + +/* + * Standard requests, for the bRequest field of a SETUP packet. + * + * These are qualified by the bRequestType field, so that for example + * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved + * by a GET_STATUS request. + */ +#define USB_REQ_GET_STATUS 0x00 +#define USB_REQ_CLEAR_FEATURE 0x01 +#define USB_REQ_SET_FEATURE 0x03 +#define USB_REQ_SET_ADDRESS 0x05 +#define USB_REQ_GET_DESCRIPTOR 0x06 +#define USB_REQ_SET_DESCRIPTOR 0x07 +#define USB_REQ_GET_CONFIGURATION 0x08 +#define USB_REQ_SET_CONFIGURATION 0x09 +#define USB_REQ_GET_INTERFACE 0x0A +#define USB_REQ_SET_INTERFACE 0x0B +#define USB_REQ_SYNCH_FRAME 0x0C +/* + * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and + * are read as a bit array returned by USB_REQ_GET_STATUS. (So there + * are at most sixteen features of each type.) Hubs may also support a + * new USB_REQ_TEST_AND_SET_FEATURE to put ports into L1 suspend. + */ +#define USB_DEVICE_SELF_POWERED 0 /* (read only) */ +#define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ +#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ +#define USB_DEVICE_BATTERY 2 /* (wireless) */ +#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ +#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless)*/ +#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ +#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ +#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ + +#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ + + +/** + * struct usb_ctrlrequest - SETUP data for a USB device control request + * @bRequestType: matches the USB bmRequestType field + * @bRequest: matches the USB bRequest field + * @wValue: matches the USB wValue field (le16 byte order) + * @wIndex: matches the USB wIndex field (le16 byte order) + * @wLength: matches the USB wLength field (le16 byte order) + * + * This structure is used to send control requests to a USB device. It matches + * the different fields of the USB 2.0 Spec section 9.3, table 9-2. See the + * USB spec for a fuller description of the different fields, and what they are + * used for. + * + * Note that the driver for any interface can issue control requests. + * For most devices, interfaces don't coordinate with each other, so + * such requests may be made at any time. + */ +struct usb_ctrlrequest { + uint8_t bRequestType; + uint8_t bRequest; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +} __attribute__ ((packed)); + +/*-------------------------------------------------------------------------*/ + +/* + * STANDARD DESCRIPTORS ... as returned by GET_DESCRIPTOR, or + * (rarely) accepted by SET_DESCRIPTOR. + * + * Note that all multi-byte values here are encoded in little endian + * byte order "on the wire". But when exposed through Linux-USB APIs, + * they've been converted to cpu byte order. + */ + +/* + * Descriptor types ... USB 2.0 spec table 9.5 + */ +#define USB_DT_DEVICE 0x01 +#define USB_DT_CONFIG 0x02 +#define USB_DT_STRING 0x03 +#define USB_DT_INTERFACE 0x04 +#define USB_DT_ENDPOINT 0x05 +#define USB_DT_DEVICE_QUALIFIER 0x06 +#define USB_DT_OTHER_SPEED_CONFIG 0x07 +#define USB_DT_INTERFACE_POWER 0x08 +/* these are from a minor usb 2.0 revision (ECN) */ +#define USB_DT_OTG 0x09 +#define USB_DT_DEBUG 0x0a +#define USB_DT_INTERFACE_ASSOCIATION 0x0b +/* these are from the Wireless USB spec */ +#define USB_DT_SECURITY 0x0c +#define USB_DT_KEY 0x0d +#define USB_DT_ENCRYPTION_TYPE 0x0e +#define USB_DT_BOS 0x0f +#define USB_DT_DEVICE_CAPABILITY 0x10 +#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 +#define USB_DT_WIRE_ADAPTER 0x21 +#define USB_DT_RPIPE 0x22 +#define USB_DT_CS_RADIO_CONTROL 0x23 + +/* Conventional codes for class-specific descriptors. The convention is + * defined in the USB "Common Class" Spec (3.11). Individual class specs + * are authoritative for their usage, not the "common class" writeup. + */ +#define USB_DT_CS_DEVICE (USB_TYPE_CLASS | USB_DT_DEVICE) +#define USB_DT_CS_CONFIG (USB_TYPE_CLASS | USB_DT_CONFIG) +#define USB_DT_CS_STRING (USB_TYPE_CLASS | USB_DT_STRING) +#define USB_DT_CS_INTERFACE (USB_TYPE_CLASS | USB_DT_INTERFACE) +#define USB_DT_CS_ENDPOINT (USB_TYPE_CLASS | USB_DT_ENDPOINT) + +/* All standard descriptors have these 2 fields at the beginning */ +struct usb_descriptor_header { + uint8_t bLength; + uint8_t bDescriptorType; +} __attribute__ ((packed)); + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEVICE: Device descriptor */ +struct usb_device_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint16_t bcdUSB; + uint8_t bDeviceClass; + uint8_t bDeviceSubClass; + uint8_t bDeviceProtocol; + uint8_t bMaxPacketSize0; + uint16_t idVendor; + uint16_t idProduct; + uint16_t bcdDevice; + uint8_t iManufacturer; + uint8_t iProduct; + uint8_t iSerialNumber; + uint8_t bNumConfigurations; +} __attribute__ ((packed)); + +#define USB_DT_DEVICE_SIZE 18 + + +/* + * Device and/or Interface Class codes + * as found in bDeviceClass or bInterfaceClass + * and defined by www.usb.org documents + */ +#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ +#define USB_CLASS_AUDIO 1 +#define USB_CLASS_COMM 2 +#define USB_CLASS_HID 3 +#define USB_CLASS_PHYSICAL 5 +#define USB_CLASS_STILL_IMAGE 6 +#define USB_CLASS_PRINTER 7 +#define USB_CLASS_MASS_STORAGE 8 +#define USB_CLASS_HUB 9 +#define USB_CLASS_CDC_DATA 0x0a +#define USB_CLASS_CSCID 0x0b /* chip+ smart card */ +#define USB_CLASS_CONTENT_SEC 0x0d /* content security */ +#define USB_CLASS_VIDEO 0x0e +#define USB_CLASS_WIRELESS_CONTROLLER 0xe0 +#define USB_CLASS_MISC 0xef +#define USB_CLASS_APP_SPEC 0xfe +#define USB_CLASS_VENDOR_SPEC 0xff + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_CONFIG: Configuration descriptor information. + * + * USB_DT_OTHER_SPEED_CONFIG is the same descriptor, except that the + * descriptor type is different. Highspeed-capable devices can look + * different depending on what speed they're currently running. Only + * devices with a USB_DT_DEVICE_QUALIFIER have any OTHER_SPEED_CONFIG + * descriptors. + */ +struct usb_config_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint16_t wTotalLength; + uint8_t bNumInterfaces; + uint8_t bConfigurationValue; + uint8_t iConfiguration; + uint8_t bmAttributes; + uint8_t bMaxPower; +} __attribute__ ((packed)); + +#define USB_DT_CONFIG_SIZE 9 + +/* from config descriptor bmAttributes */ +#define USB_CONFIG_ATT_ONE (1 << 7) /* must be set */ +#define USB_CONFIG_ATT_SELFPOWER (1 << 6) /* self powered */ +#define USB_CONFIG_ATT_WAKEUP (1 << 5) /* can wakeup */ +#define USB_CONFIG_ATT_BATTERY (1 << 4) /* battery powered */ + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_STRING: String descriptor */ +struct usb_string_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint16_t wString[]; /* UTF-16LE encoded */ +} __attribute__ ((packed)); + +/* note that "string" zero is special, it holds language codes that + * the device supports, not Unicode characters. + */ + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_INTERFACE: Interface descriptor */ +struct usb_interface_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint8_t bInterfaceNumber; + uint8_t bAlternateSetting; + uint8_t bNumEndpoints; + uint8_t bInterfaceClass; + uint8_t bInterfaceSubClass; + uint8_t bInterfaceProtocol; + uint8_t iInterface; +} __attribute__ ((packed)); + +#define USB_DT_INTERFACE_SIZE 9 + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_ENDPOINT: Endpoint descriptor */ +struct usb_endpoint_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint8_t bEndpointAddress; + uint8_t bmAttributes; + uint16_t wMaxPacketSize; + uint8_t bInterval; +} __attribute__ ((packed)); + +#define USB_DT_ENDPOINT_SIZE 7 +#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ + + +/* + * Endpoints + */ +#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ +#define USB_ENDPOINT_DIR_MASK 0x80 + +#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ +#define USB_ENDPOINT_XFER_CONTROL 0 +#define USB_ENDPOINT_XFER_ISOC 1 +#define USB_ENDPOINT_XFER_BULK 2 +#define USB_ENDPOINT_XFER_INT 3 +#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */ +struct usb_qualifier_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint16_t bcdUSB; + uint8_t bDeviceClass; + uint8_t bDeviceSubClass; + uint8_t bDeviceProtocol; + uint8_t bMaxPacketSize0; + uint8_t bNumConfigurations; + uint8_t bRESERVED; +} __attribute__ ((packed)); + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_OTG (from OTG 1.0a supplement) */ +struct usb_otg_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + uint8_t bmAttributes; /* support for HNP, SRP, etc */ +} __attribute__ ((packed)); + +/* from usb_otg_descriptor.bmAttributes */ +#define USB_OTG_SRP (1 << 0) +#define USB_OTG_HNP (1 << 1) /* swap host/device roles */ + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEBUG: for special highspeed devices, replacing serial console */ +struct usb_debug_descriptor { + uint8_t bLength; + uint8_t bDescriptorType; + + /* bulk endpoints with 8 byte maxpacket */ + uint8_t bDebugInEndpoint; + uint8_t bDebugOutEndpoint; +} __attribute__((packed)); + +/*-------------------------------------------------------------------------*/ +/* USB 2.0 defines three speeds, here's how Linux identifies them */ + +enum usb_device_speed { + USB_SPEED_UNKNOWN = 0, /* enumerating */ + USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ + USB_SPEED_HIGH, /* usb 2.0 */ + USB_SPEED_VARIABLE, /* wireless (usb 2.5) */ +}; + +enum usb_device_state { + /* NOTATTACHED isn't in the USB spec, and this state acts + * the same as ATTACHED ... but it's clearer this way. + */ + USB_STATE_NOTATTACHED = 0, + + /* chapter 9 and authentication (wireless) device states */ + USB_STATE_ATTACHED, + USB_STATE_POWERED, /* wired */ + USB_STATE_UNAUTHENTICATED, /* auth */ + USB_STATE_RECONNECTING, /* auth */ + USB_STATE_DEFAULT, /* limited function */ + USB_STATE_ADDRESS, + USB_STATE_CONFIGURED, /* most functions */ + + USB_STATE_SUSPENDED + + /* NOTE: there are actually four different SUSPENDED + * states, returning to POWERED, DEFAULT, ADDRESS, or + * CONFIGURED respectively when SOF tokens flow again. + * At this level there's no difference between L1 and L2 + * suspend states. (L2 being original USB 1.1 suspend.) + */ +}; + +/** + * struct usb_string - wraps a C string and its USB id + * @id:the (nonzero) ID for this string + * @s:the string, in UTF-8 encoding + * + * If you're using usb_gadget_get_string(), use this to wrap a string + * together with its ID. + */ +struct usb_string { + uint8_t id; + const char* s; +}; + +/** + * struct usb_gadget_strings - a set of USB strings in a given language + * @language:identifies the strings' language (0x0409 for en-us) + * @strings:array of strings with their ids + * + * If you're using usb_gadget_get_string(), use this to wrap all the + * strings for a given language. + */ +struct usb_gadget_strings { + uint16_t language; /* 0x0409 for en-us */ + struct usb_string* strings; +}; + +#endif /*_CH9_H_*/ diff --git a/utils/hwstub/stub/usb_drv.h b/utils/hwstub/stub/usb_drv.h new file mode 100644 index 0000000000..00f22d8e1a --- /dev/null +++ b/utils/hwstub/stub/usb_drv.h @@ -0,0 +1,47 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2007 by Björn Stenberg + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef _USB_DRV_H +#define _USB_DRV_H + +#include "usb_ch9.h" + +#define EP_CONTROL 0 + +#define DIR_OUT 0 +#define DIR_IN 1 + +#define EP_DIR(ep) (((ep) & USB_ENDPOINT_DIR_MASK) ? DIR_IN : DIR_OUT) +#define EP_NUM(ep) ((ep) & USB_ENDPOINT_NUMBER_MASK) + +void usb_drv_init(void); +void usb_drv_exit(void); +void usb_drv_stall(int endpoint, bool stall,bool in); +int usb_drv_send(int endpoint, void* ptr, int length); +int usb_drv_send_nonblocking(int endpoint, void* ptr, int length); +int usb_drv_recv(int endpoint, void* ptr, int length);// blocking ! +int usb_drv_recv_nonblocking(int endpoint, void* ptr, int length); +int usb_drv_recv_setup(struct usb_ctrlrequest *req); +void usb_drv_set_address(int address); +int usb_drv_port_speed(void); +void usb_drv_configure_endpoint(int ep_num, int type); + +#endif /* _USB_DRV_H */ + diff --git a/utils/hwstub/stub/usb_drv_arc.c b/utils/hwstub/stub/usb_drv_arc.c new file mode 100644 index 0000000000..32275b6adb --- /dev/null +++ b/utils/hwstub/stub/usb_drv_arc.c @@ -0,0 +1,364 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Driver for ARC USBOTG Device Controller + * + * Copyright (C) 2007 by Björn Stenberg + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "usb_drv.h" +#include "config.h" +#include "memory.h" + +#define MAX_PKT_SIZE 1024 +#define MAX_PKT_SIZE_EP0 64 + +/* USB device mode registers (Little Endian) */ +#define REG_USBCMD (*(volatile unsigned int *)(USB_BASE+0x140)) +#define REG_DEVICEADDR (*(volatile unsigned int *)(USB_BASE+0x154)) +#define REG_ENDPOINTLISTADDR (*(volatile unsigned int *)(USB_BASE+0x158)) +#define REG_PORTSC1 (*(volatile unsigned int *)(USB_BASE+0x184)) +#define REG_USBMODE (*(volatile unsigned int *)(USB_BASE+0x1a8)) +#define REG_ENDPTSETUPSTAT (*(volatile unsigned int *)(USB_BASE+0x1ac)) +#define REG_ENDPTPRIME (*(volatile unsigned int *)(USB_BASE+0x1b0)) +#define REG_ENDPTSTATUS (*(volatile unsigned int *)(USB_BASE+0x1b8)) +#define REG_ENDPTCOMPLETE (*(volatile unsigned int *)(USB_BASE+0x1bc)) +#define REG_ENDPTCTRL0 (*(volatile unsigned int *)(USB_BASE+0x1c0)) +#define REG_ENDPTCTRL1 (*(volatile unsigned int *)(USB_BASE+0x1c4)) +#define REG_ENDPTCTRL2 (*(volatile unsigned int *)(USB_BASE+0x1c8)) +#define REG_ENDPTCTRL(_x_) (*(volatile unsigned int *)(USB_BASE+0x1c0+4*(_x_))) + +/* USB CMD Register Bit Masks */ +#define USBCMD_RUN (0x00000001) +#define USBCMD_CTRL_RESET (0x00000002) +#define USBCMD_PERIODIC_SCHEDULE_EN (0x00000010) +#define USBCMD_ASYNC_SCHEDULE_EN (0x00000020) +#define USBCMD_INT_AA_DOORBELL (0x00000040) +#define USBCMD_ASP (0x00000300) +#define USBCMD_ASYNC_SCH_PARK_EN (0x00000800) +#define USBCMD_SUTW (0x00002000) +#define USBCMD_ATDTW (0x00004000) +#define USBCMD_ITC (0x00FF0000) + +/* Device Address bit masks */ +#define USBDEVICEADDRESS_MASK (0xFE000000) +#define USBDEVICEADDRESS_BIT_POS (25) + +/* Endpoint Setup Status bit masks */ +#define EPSETUP_STATUS_EP0 (0x00000001) + +/* PORTSCX Register Bit Masks */ +#define PORTSCX_CURRENT_CONNECT_STATUS (0x00000001) +#define PORTSCX_CONNECT_STATUS_CHANGE (0x00000002) +#define PORTSCX_PORT_ENABLE (0x00000004) +#define PORTSCX_PORT_EN_DIS_CHANGE (0x00000008) +#define PORTSCX_OVER_CURRENT_ACT (0x00000010) +#define PORTSCX_OVER_CURRENT_CHG (0x00000020) +#define PORTSCX_PORT_FORCE_RESUME (0x00000040) +#define PORTSCX_PORT_SUSPEND (0x00000080) +#define PORTSCX_PORT_RESET (0x00000100) +#define PORTSCX_LINE_STATUS_BITS (0x00000C00) +#define PORTSCX_PORT_POWER (0x00001000) +#define PORTSCX_PORT_INDICTOR_CTRL (0x0000C000) +#define PORTSCX_PORT_TEST_CTRL (0x000F0000) +#define PORTSCX_WAKE_ON_CONNECT_EN (0x00100000) +#define PORTSCX_WAKE_ON_CONNECT_DIS (0x00200000) +#define PORTSCX_WAKE_ON_OVER_CURRENT (0x00400000) +#define PORTSCX_PHY_LOW_POWER_SPD (0x00800000) +#define PORTSCX_PORT_FORCE_FULL_SPEED (0x01000000) +#define PORTSCX_PORT_SPEED_MASK (0x0C000000) +#define PORTSCX_PORT_WIDTH (0x10000000) +#define PORTSCX_PHY_TYPE_SEL (0xC0000000) + +/* bit 11-10 are line status */ +#define PORTSCX_LINE_STATUS_SE0 (0x00000000) +#define PORTSCX_LINE_STATUS_JSTATE (0x00000400) +#define PORTSCX_LINE_STATUS_KSTATE (0x00000800) +#define PORTSCX_LINE_STATUS_UNDEF (0x00000C00) +#define PORTSCX_LINE_STATUS_BIT_POS (10) + +/* bit 15-14 are port indicator control */ +#define PORTSCX_PIC_OFF (0x00000000) +#define PORTSCX_PIC_AMBER (0x00004000) +#define PORTSCX_PIC_GREEN (0x00008000) +#define PORTSCX_PIC_UNDEF (0x0000C000) +#define PORTSCX_PIC_BIT_POS (14) + +/* bit 19-16 are port test control */ +#define PORTSCX_PTC_DISABLE (0x00000000) +#define PORTSCX_PTC_JSTATE (0x00010000) +#define PORTSCX_PTC_KSTATE (0x00020000) +#define PORTSCX_PTC_SE0NAK (0x00030000) +#define PORTSCX_PTC_PACKET (0x00040000) +#define PORTSCX_PTC_FORCE_EN (0x00050000) +#define PORTSCX_PTC_BIT_POS (16) + +/* bit 27-26 are port speed */ +#define PORTSCX_PORT_SPEED_FULL (0x00000000) +#define PORTSCX_PORT_SPEED_LOW (0x04000000) +#define PORTSCX_PORT_SPEED_HIGH (0x08000000) +#define PORTSCX_PORT_SPEED_UNDEF (0x0C000000) +#define PORTSCX_SPEED_BIT_POS (26) + +/* bit 28 is parallel transceiver width for UTMI interface */ +#define PORTSCX_PTW (0x10000000) +#define PORTSCX_PTW_8BIT (0x00000000) +#define PORTSCX_PTW_16BIT (0x10000000) + +/* bit 31-30 are port transceiver select */ +#define PORTSCX_PTS_UTMI (0x00000000) +#define PORTSCX_PTS_CLASSIC (0x40000000) +#define PORTSCX_PTS_ULPI (0x80000000) +#define PORTSCX_PTS_FSLS (0xC0000000) +#define PORTSCX_PTS_BIT_POS (30) + +/* USB MODE Register Bit Masks */ +#define USBMODE_CTRL_MODE_IDLE (0x00000000) +#define USBMODE_CTRL_MODE_DEVICE (0x00000002) +#define USBMODE_CTRL_MODE_HOST (0x00000003) +#define USBMODE_CTRL_MODE_RSV (0x00000001) +#define USBMODE_SETUP_LOCK_OFF (0x00000008) +#define USBMODE_STREAM_DISABLE (0x00000010) + +/* ENDPOINTCTRLx Register Bit Masks */ +#define EPCTRL_TX_ENABLE (0x00800000) +#define EPCTRL_TX_DATA_TOGGLE_RST (0x00400000) /* Not EP0 */ +#define EPCTRL_TX_DATA_TOGGLE_INH (0x00200000) /* Not EP0 */ +#define EPCTRL_TX_TYPE (0x000C0000) +#define EPCTRL_TX_DATA_SOURCE (0x00020000) /* Not EP0 */ +#define EPCTRL_TX_EP_STALL (0x00010000) +#define EPCTRL_RX_ENABLE (0x00000080) +#define EPCTRL_RX_DATA_TOGGLE_RST (0x00000040) /* Not EP0 */ +#define EPCTRL_RX_DATA_TOGGLE_INH (0x00000020) /* Not EP0 */ +#define EPCTRL_RX_TYPE (0x0000000C) +#define EPCTRL_RX_DATA_SINK (0x00000002) /* Not EP0 */ +#define EPCTRL_RX_EP_STALL (0x00000001) + +/* bit 19-18 and 3-2 are endpoint type */ +#define EPCTRL_TX_EP_TYPE_SHIFT (18) +#define EPCTRL_RX_EP_TYPE_SHIFT (2) + +#define QH_MULT_POS (30) +#define QH_ZLT_SEL (0x20000000) +#define QH_MAX_PKT_LEN_POS (16) +#define QH_IOS (0x00008000) +#define QH_NEXT_TERMINATE (0x00000001) +#define QH_IOC (0x00008000) +#define QH_MULTO (0x00000C00) +#define QH_STATUS_HALT (0x00000040) +#define QH_STATUS_ACTIVE (0x00000080) +#define EP_QUEUE_CURRENT_OFFSET_MASK (0x00000FFF) +#define EP_QUEUE_HEAD_NEXT_POINTER_MASK (0xFFFFFFE0) +#define EP_QUEUE_FRINDEX_MASK (0x000007FF) +#define EP_MAX_LENGTH_TRANSFER (0x4000) + +#define DTD_NEXT_TERMINATE (0x00000001) +#define DTD_IOC (0x00008000) +#define DTD_STATUS_ACTIVE (0x00000080) +#define DTD_STATUS_HALTED (0x00000040) +#define DTD_STATUS_DATA_BUFF_ERR (0x00000020) +#define DTD_STATUS_TRANSACTION_ERR (0x00000008) +#define DTD_RESERVED_FIELDS (0x80007300) +#define DTD_ADDR_MASK (0xFFFFFFE0) +#define DTD_PACKET_SIZE (0x7FFF0000) +#define DTD_LENGTH_BIT_POS (16) +#define DTD_ERROR_MASK (DTD_STATUS_HALTED | \ + DTD_STATUS_DATA_BUFF_ERR | \ + DTD_STATUS_TRANSACTION_ERR) +/*-------------------------------------------------------------------------*/ +/* manual: 32.13.2 Endpoint Transfer Descriptor (dTD) */ +struct transfer_descriptor { + unsigned int next_td_ptr; /* Next TD pointer(31-5), T(0) set + indicate invalid */ + unsigned int size_ioc_sts; /* Total bytes (30-16), IOC (15), + MultO(11-10), STS (7-0) */ + unsigned int buff_ptr0; /* Buffer pointer Page 0 */ + unsigned int buff_ptr1; /* Buffer pointer Page 1 */ + unsigned int buff_ptr2; /* Buffer pointer Page 2 */ + unsigned int buff_ptr3; /* Buffer pointer Page 3 */ + unsigned int buff_ptr4; /* Buffer pointer Page 4 */ + unsigned int reserved; +} __attribute__ ((packed)); + +static struct transfer_descriptor td_array[USB_NUM_ENDPOINTS*2] + __attribute__((aligned(32))); + +/* manual: 32.13.1 Endpoint Queue Head (dQH) */ +struct queue_head { + unsigned int max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len + and IOS(15) */ + unsigned int curr_dtd_ptr; /* Current dTD Pointer(31-5) */ + struct transfer_descriptor dtd; /* dTD overlay */ + unsigned int setup_buffer[2]; /* Setup data 8 bytes */ + unsigned int reserved; /* for software use, pointer to the first TD */ + unsigned int status; /* for software use, status of chain in progress */ + unsigned int length; /* for software use, transfered bytes of chain in progress */ + unsigned int wait; /* for softwate use, indicates if the transfer is blocking */ +} __attribute__((packed)); + +static struct queue_head qh_array[USB_NUM_ENDPOINTS*2] __attribute__((aligned(2048))); + +static const unsigned int pipe2mask[] = { + 0x01, 0x010000, + 0x02, 0x020000, + 0x04, 0x040000, + 0x08, 0x080000, + 0x10, 0x100000, +}; + +/* return transfered size if wait=true */ +static int prime_transfer(int ep_num, void *ptr, int len, bool send, bool wait) +{ + int pipe = ep_num * 2 + (send ? 1 : 0); + unsigned mask = pipe2mask[pipe]; + struct transfer_descriptor *td = &td_array[pipe]; + struct queue_head* qh = &qh_array[pipe]; + + /* prepare TD */ + td->next_td_ptr = DTD_NEXT_TERMINATE; + td->size_ioc_sts = (len<< DTD_LENGTH_BIT_POS) | DTD_STATUS_ACTIVE; + td->buff_ptr0 = (unsigned int)ptr; + td->buff_ptr1 = ((unsigned int)ptr & 0xfffff000) + 0x1000; + td->buff_ptr2 = ((unsigned int)ptr & 0xfffff000) + 0x2000; + td->buff_ptr3 = ((unsigned int)ptr & 0xfffff000) + 0x3000; + td->buff_ptr4 = ((unsigned int)ptr & 0xfffff000) + 0x4000; + td->reserved = 0; + /* prime */ + qh->dtd.next_td_ptr = (unsigned int)td; + qh->dtd.size_ioc_sts &= ~(QH_STATUS_HALT | QH_STATUS_ACTIVE); + REG_ENDPTPRIME |= mask; + /* wait for priming to be taken into account */ + while(!(REG_ENDPTSTATUS & mask)); + /* wait for completion */ + if(wait) + { + while(!(REG_ENDPTCOMPLETE & mask)); + REG_ENDPTCOMPLETE = mask; + /* memory barrier */ + asm volatile("":::"memory"); + /* return transfered size */ + return len - (td->size_ioc_sts >> DTD_LENGTH_BIT_POS); + } + else + return 0; +} + +void usb_drv_set_address(int address) +{ + REG_DEVICEADDR = address << USBDEVICEADDRESS_BIT_POS; +} + +/* endpoints */ + +int usb_drv_send_nonblocking(int endpoint, void* ptr, int length) +{ + return prime_transfer(EP_NUM(endpoint), ptr, length, true, false); +} + +int usb_drv_send(int endpoint, void* ptr, int length) +{ + return prime_transfer(EP_NUM(endpoint), ptr, length, true, true); +} + +int usb_drv_recv(int endpoint, void* ptr, int length) +{ + return prime_transfer(EP_NUM(endpoint), ptr, length, false, true); +} + +int usb_drv_recv_nonblocking(int endpoint, void* ptr, int length) +{ + return prime_transfer(EP_NUM(endpoint), ptr, length, false, false); +} + +int usb_drv_port_speed(void) +{ + return (REG_PORTSC1 & 0x08000000) ? 1 : 0; +} + +void usb_drv_stall(int endpoint, bool stall, bool in) +{ + int ep_num = EP_NUM(endpoint); + + if(in) + { + if(stall) + REG_ENDPTCTRL(ep_num) |= EPCTRL_TX_EP_STALL; + else + REG_ENDPTCTRL(ep_num) &= ~EPCTRL_TX_EP_STALL; + } + else + { + if (stall) + REG_ENDPTCTRL(ep_num) |= EPCTRL_RX_EP_STALL; + else + REG_ENDPTCTRL(ep_num) &= ~EPCTRL_RX_EP_STALL; + } +} + +void usb_drv_configure_endpoint(int ep_num, int type) +{ + REG_ENDPTCTRL(ep_num) = + EPCTRL_RX_DATA_TOGGLE_RST | EPCTRL_RX_ENABLE | + EPCTRL_TX_DATA_TOGGLE_RST | EPCTRL_TX_ENABLE | + (type << EPCTRL_RX_EP_TYPE_SHIFT) | + (type << EPCTRL_TX_EP_TYPE_SHIFT); +} + +void usb_drv_init(void) +{ + /* we don't know if USB was connected or not. In USB recovery mode it will + * but in other cases it might not be. In doubt, disconnect */ + REG_USBCMD &= ~USBCMD_RUN; + /* reset the controller */ + REG_USBCMD |= USBCMD_CTRL_RESET; + while (REG_USBCMD & USBCMD_CTRL_RESET); + /* put it in device mode */ + REG_USBMODE = USBMODE_CTRL_MODE_DEVICE; + /* reset address */ + REG_DEVICEADDR = 0; + /* prepare qh array */ + qh_array[0].max_pkt_length = 1 << 29 | MAX_PKT_SIZE_EP0 << 16; + qh_array[1].max_pkt_length = 1 << 29 | MAX_PKT_SIZE_EP0 << 16; + qh_array[2].max_pkt_length = 1 << 29 | MAX_PKT_SIZE << 16; + qh_array[3].max_pkt_length = 1 << 29 | MAX_PKT_SIZE << 16; + /* setup qh */ + REG_ENDPOINTLISTADDR = (unsigned int)qh_array; + /* clear setup status */ + REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0; + /* run! */ + REG_USBCMD |= USBCMD_RUN; +} + +void usb_drv_exit(void) +{ + REG_USBCMD &= ~USBCMD_RUN; + REG_USBCMD |= USBCMD_CTRL_RESET; +} + +int usb_drv_recv_setup(struct usb_ctrlrequest *req) +{ + /* wait for setup */ + while(!(REG_ENDPTSETUPSTAT & EPSETUP_STATUS_EP0)) + ; + /* clear setup status */ + REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0; + /* check request */ + asm volatile("":::"memory"); + /* copy */ + memcpy(req, (void *)&qh_array[0].setup_buffer[0], sizeof(struct usb_ctrlrequest)); + return 0; +} -- cgit v1.2.3