From 7958ea420f7151ffa02230f1441d3e1cbe717300 Mon Sep 17 00:00:00 2001 From: Linus Nielsen Feltzing Date: Sat, 11 May 2002 20:04:48 +0000 Subject: Added ATA spindown git-svn-id: svn://svn.rockbox.org/rockbox/trunk@543 a1c6a512-1295-4272-9138-f99709370657 --- gdb/Makefile | 5 +- gdb/sh-stub.c | 48 +++++++++++++++ gdb/sh.h | 187 ---------------------------------------------------------- 3 files changed, 50 insertions(+), 190 deletions(-) delete mode 100644 gdb/sh.h diff --git a/gdb/Makefile b/gdb/Makefile index e4a3154a52..c62b8a6e9a 100644 --- a/gdb/Makefile +++ b/gdb/Makefile @@ -7,7 +7,7 @@ # $Id$ # TARGET = stub -OBJS = start.o sh-stub.o +OBJS = start.o sh-stub.o LIBS = -lgcc .s.o: @@ -27,5 +27,4 @@ clean: rm $(OBJS) $(TARGET).map $(TARGET).elf $(TARGET).out archos.mod start.o: start.s -stub.o: stub.c -s-stub.o: sh-stub.c +sh-stub.o: sh-stub.c diff --git a/gdb/sh-stub.c b/gdb/sh-stub.c index 2eb6a5d750..7a717e0ac5 100644 --- a/gdb/sh-stub.c +++ b/gdb/sh-stub.c @@ -409,6 +409,52 @@ static const char hexchars[] = "0123456789abcdef"; static char remcomInBuffer[BUFMAX]; static char remcomOutBuffer[BUFMAX]; +#define ATA_NSECTOR (*((volatile unsigned char*)0x06100102)) +#define ATA_COMMAND (*((volatile unsigned char*)0x06100107)) +#define ATA_CONTROL (*((volatile unsigned char*)0x06200306)) +#define ATA_ALT_STATUS ATA_CONTROL + +#define STATUS_BSY 0x80 +#define STATUS_RDY 0x40 + +#define CMD_STANDBY_IMMEDIATE 0xE0 +#define CMD_STANDBY 0xE2 + +void ata_wait_for_bsy(void) +{ + while (ATA_ALT_STATUS & STATUS_BSY); +} + +int ata_wait_for_rdy(void) +{ + ata_wait_for_bsy(); + return ATA_ALT_STATUS & STATUS_RDY; +} + +int ata_spindown(int time) +{ + /* activate ATA */ + PADR &= ~0x80; + + if(!ata_wait_for_rdy()) + return -1; + + if ( time == -1 ) { + ATA_COMMAND = CMD_STANDBY_IMMEDIATE; + } + else { + if (time > 255) + return -1; + ATA_NSECTOR = time & 0xff; + ATA_COMMAND = CMD_STANDBY; + } + + if (!ata_wait_for_rdy()) + return -1; + + return 0; +} + void blink(void) { while(1) @@ -1097,6 +1143,8 @@ void INIT (void) dofault = 1; stepped = 0; + ata_spindown(-1); + stub_sp = stub_stack; breakpoint (); diff --git a/gdb/sh.h b/gdb/sh.h deleted file mode 100644 index d42c76e749..0000000000 --- a/gdb/sh.h +++ /dev/null @@ -1,187 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2002 by Linus Nielsen Feltzing - * - * All files in this archive are subject to the GNU General Public License. - * See the file COPYING in the source tree root for full license agreement. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#ifndef SH_H_INCLUDED -#define SH_H_INCLUDED - -/* Support for Serial I/O using on chip uart */ - -#define SMR0 (*(volatile unsigned char *)(0x05FFFEC0)) /* Ch 0 serial mode */ -#define BRR0 (*(volatile unsigned char *)(0x05FFFEC1)) /* Ch 0 bit rate */ -#define SCR0 (*(volatile unsigned char *)(0x05FFFEC2)) /* Ch 0 serial ctrl */ -#define TDR0 (*(volatile unsigned char *)(0x05FFFEC3)) /* Ch 0 transmit data */ -#define SSR0 (*(volatile unsigned char *)(0x05FFFEC4)) /* Ch 0 serial status */ -#define RDR0 (*(volatile unsigned char *)(0x05FFFEC5)) /* Ch 0 receive data */ - -#define SMR1 (*(volatile unsigned char *)(0x05FFFEC8)) /* Ch 1 serial mode */ -#define BRR1 (*(volatile unsigned char *)(0x05FFFEC9)) /* Ch 1 bit rate */ -#define SCR1 (*(volatile unsigned char *)(0x05FFFECA)) /* Ch 1 serial ctrl */ -#define TDR1 (*(volatile unsigned char *)(0x05FFFECB)) /* Ch 1 transmit data */ -#define SSR1 (*(volatile unsigned char *)(0x05FFFECC)) /* Ch 1 serial status */ -#define RDR1 (*(volatile unsigned char *)(0x05FFFECD)) /* Ch 1 receive data */ - -/* - * Serial mode register bits - */ - -#define SYNC_MODE 0x80 -#define SEVEN_BIT_DATA 0x40 -#define PARITY_ON 0x20 -#define ODD_PARITY 0x10 -#define STOP_BITS_2 0x08 -#define ENABLE_MULTIP 0x04 -#define PHI_64 0x03 -#define PHI_16 0x02 -#define PHI_4 0x01 - -/* - * Serial control register bits - */ -#define SCI_TIE 0x80 /* Transmit interrupt enable */ -#define SCI_RIE 0x40 /* Receive interrupt enable */ -#define SCI_TE 0x20 /* Transmit enable */ -#define SCI_RE 0x10 /* Receive enable */ -#define SCI_MPIE 0x08 /* Multiprocessor interrupt enable */ -#define SCI_TEIE 0x04 /* Transmit end interrupt enable */ -#define SCI_CKE1 0x02 /* Clock enable 1 */ -#define SCI_CKE0 0x01 /* Clock enable 0 */ - -/* - * Serial status register bits - */ -#define SCI_TDRE 0x80 /* Transmit data register empty */ -#define SCI_RDRF 0x40 /* Receive data register full */ -#define SCI_ORER 0x20 /* Overrun error */ -#define SCI_FER 0x10 /* Framing error */ -#define SCI_PER 0x08 /* Parity error */ -#define SCI_TEND 0x04 /* Transmit end */ -#define SCI_MPB 0x02 /* Multiprocessor bit */ -#define SCI_MPBT 0x01 /* Multiprocessor bit transfer */ - -/* - * Port Registers - */ -#define PADR (*(volatile unsigned short *)(0x5ffffc0)) /* Port A Data */ -#define PAIOR (*(volatile unsigned short *)(0x5ffffc4)) /* Port A I/O */ -#define PACR1 (*(volatile unsigned short *)(0x5ffffc8)) /* Port A ctrl 1 */ -#define PACR2 (*(volatile unsigned short *)(0x5ffffca)) /* Port A ctrl 2 */ - -#define PBDR (*(volatile unsigned short *)(0x5ffffc2)) /* Port B Data */ -#define PBIOR (*(volatile unsigned short *)(0x5ffffc6)) /* Port B I/O */ -#define PBCR1 (*(volatile unsigned short *)(0x5ffffcc)) /* Port B ctrl 1 */ -#define PBCR2 (*(volatile unsigned short *)(0x5ffffce)) /* Port B ctrl 2 */ - -#define CASCR (*(volatile unsigned short *)(0x5ffffee)) /* CAS strobe pin */ - -#define PB15MD PB15MD1|PB14MD0 -#define PB14MD PB14MD1|PB14MD0 -#define PB13MD PB13MD1|PB13MD0 -#define PB12MD PB12MD1|PB12MD0 -#define PB11MD PB11MD1|PB11MD0 -#define PB10MD PB10MD1|PB10MD0 -#define PB9MD PB9MD1|PB9MD0 -#define PB8MD PB8MD1|PB8MD0 - -#define PB_TXD1 PB11MD1 -#define PB_RXD1 PB10MD1 -#define PB_TXD0 PB9MD1 -#define PB_RXD0 PB8MD1 - -#define PB7MD PB7MD1|PB7MD0 -#define PB6MD PB6MD1|PB6MD0 -#define PB5MD PB5MD1|PB5MD0 -#define PB4MD PB4MD1|PB4MD0 -#define PB3MD PB3MD1|PB3MD0 -#define PB2MD PB2MD1|PB2MD0 -#define PB1MD PB1MD1|PB1MD0 -#define PB0MD PB0MD1|PB0MD0 - -/* Bus state controller registers */ -#define BCR (*(volatile unsigned short *)(0x5ffffa0)) /* Bus control */ -#define WCR1 (*(volatile unsigned short *)(0x5ffffa2)) /* Wait state ctrl 1 */ -#define WCR2 (*(volatile unsigned short *)(0x5ffffa4)) /* Wait state ctrl 2 */ -#define WCR3 (*(volatile unsigned short *)(0x5ffffa6)) /* Wait state ctrl 3 */ -#define DCR (*(volatile unsigned short *)(0x5ffffa8)) /* DRAM area ctrl */ -#define PCR (*(volatile unsigned short *)(0x5ffffaa)) /* Parity control */ -#define RCR (*(volatile unsigned short *)(0x5ffffae)) /* Refresh control */ -#define RTCSR (*(volatile unsigned short *)(0x5ffffae)) /* Refresh timer - control/status */ -#define RTCNT (*(volatile unsigned short *)(0x5ffffb0)) /* Refresh timer cnt */ -#define RTCOR (*(volatile unsigned short *)(0x5ffffb2)) /* Refresh time - constant */ - -/* Interrupt controller registers */ -#define IPRA (*(volatile unsigned short *)(0x5ffff84)) /* Priority A */ -#define IPRB (*(volatile unsigned short *)(0x5ffff86)) /* Priority B */ -#define IPRC (*(volatile unsigned short *)(0x5ffff88)) /* Priority C */ -#define IPRD (*(volatile unsigned short *)(0x5ffff88)) /* Priority D */ -#define IPRE (*(volatile unsigned short *)(0x5ffff8c)) /* Priority E */ -#define ICR (*(volatile unsigned short *)(0x5ffff8e)) /* Interrupt Control */ - -/* ITU registers */ -#define TSTR (*(volatile unsigned char *)(0x5ffff00)) /* Timer Start */ -#define TSNC (*(volatile unsigned char *)(0x5ffff01)) /* Timer Synchro */ -#define TMDR (*(volatile unsigned char *)(0x5ffff02)) /* Timer Mode */ -#define TFCR (*(volatile unsigned char *)(0x5ffff03)) /* Timer Function Ctrl */ -#define TOCR (*(volatile unsigned char *)(0x5ffff31)) /* Timer Output Ctrl */ - -#define TCR0 (*(volatile unsigned char *)(0x5ffff04)) /* Timer 0 Ctrl */ -#define TIOR0 (*(volatile unsigned char *)(0x5ffff05)) /* Timer 0 I/O Ctrl */ -#define TIER0 (*(volatile unsigned char *)(0x5ffff06)) /* Timer 0 Int Enable */ -#define TSR0 (*(volatile unsigned char *)(0x5ffff07)) /* Timer 0 Status */ -#define TCNT0 (*(volatile unsigned short *)(0x5ffff08)) /* Timer 0 Count */ -#define GRA0 (*(volatile unsigned short *)(0x5ffff0a)) /* Timer 0 GRA */ -#define GRB0 (*(volatile unsigned short *)(0x5ffff0c)) /* Timer 0 GRB */ - -#define TCR1 (*(volatile unsigned char *)(0x5ffff0e)) /* Timer 1 Ctrl */ -#define TIOR1 (*(volatile unsigned char *)(0x5ffff0f)) /* Timer 1 I/O Ctrl */ -#define TIER1 (*(volatile unsigned char *)(0x5ffff10)) /* Timer 1 Int Enable */ -#define TSR1 (*(volatile unsigned char *)(0x5ffff11)) /* Timer 1 Status */ -#define TCNT1 (*(volatile unsigned short *)(0x5ffff12)) /* Timer 1 Count */ -#define GRA1 (*(volatile unsigned short *)(0x5ffff14)) /* Timer 1 GRA */ -#define GRB1 (*(volatile unsigned short *)(0x5ffff16)) /* Timer 1 GRB */ - -#define TCR2 (*(volatile unsigned char *)(0x5ffff18)) /* Timer 2 Ctrl */ -#define TIOR2 (*(volatile unsigned char *)(0x5ffff19)) /* Timer 2 I/O Ctrl */ -#define TIER2 (*(volatile unsigned char *)(0x5ffff1a)) /* Timer 2 Int Enable */ -#define TSR2 (*(volatile unsigned char *)(0x5ffff1b)) /* Timer 2 Status */ -#define TCNT2 (*(volatile unsigned short *)(0x5ffff1c)) /* Timer 2 Count */ -#define GRA2 (*(volatile unsigned short *)(0x5ffff1e)) /* Timer 2 GRA */ -#define GRB2 (*(volatile unsigned short *)(0x5ffff20)) /* Timer 2 GRB */ - -#define TCR3 (*(volatile unsigned char *)(0x5ffff22)) /* Timer 3 Ctrl */ -#define TIOR3 (*(volatile unsigned char *)(0x5ffff23)) /* Timer 3 I/O Ctrl */ -#define TIER3 (*(volatile unsigned char *)(0x5ffff24)) /* Timer 3 Int Enable */ -#define TSR3 (*(volatile unsigned char *)(0x5ffff25)) /* Timer 3 Status */ -#define TCNT3 (*(volatile unsigned short *)(0x5ffff26)) /* Timer 3 Count */ -#define GRA3 (*(volatile unsigned short *)(0x5ffff28)) /* Timer 3 GRA */ -#define GRB3 (*(volatile unsigned short *)(0x5ffff2a)) /* Timer 3 GRB */ -#define BRA3 (*(volatile unsigned short *)(0x5ffff2c)) /* Timer 3 BRA */ -#define BRB3 (*(volatile unsigned short *)(0x5ffff2e)) /* Timer 3 BRB */ - -#define TCR4 (*(volatile unsigned char *)(0x5ffff32)) /* Timer 4 Ctrl */ -#define TIOR4 (*(volatile unsigned char *)(0x5ffff33)) /* Timer 4 I/O Ctrl */ -#define TIER4 (*(volatile unsigned char *)(0x5ffff34)) /* Timer 4 Int Enable */ -#define TSR4 (*(volatile unsigned char *)(0x5ffff35)) /* Timer 4 Status */ -#define TCNT4 (*(volatile unsigned short *)(0x5ffff36)) /* Timer 4 Count */ -#define GRA4 (*(volatile unsigned short *)(0x5ffff38)) /* Timer 4 GRA */ -#define GRB4 (*(volatile unsigned short *)(0x5ffff3a)) /* Timer 4 GRB */ -#define BRA4 (*(volatile unsigned short *)(0x5ffff3c)) /* Timer 4 BRA */ -#define BRB4 (*(volatile unsigned short *)(0x5ffff3e)) /* Timer 4 BRB */ - -#endif -- cgit v1.2.3