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authorRob Purchase <shotofadds@rockbox.org>2008-01-14 22:04:48 +0000
committerRob Purchase <shotofadds@rockbox.org>2008-01-14 22:04:48 +0000
commit47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07 (patch)
tree0a48ce653e22ec9a2673474f718217d9659e0c6b /firmware/target
parentb30ca8ca5ab6c8ea27b8fe1f5fb38ebad09b7e62 (diff)
downloadrockbox-47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07.tar.gz
rockbox-47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07.zip
Initial Cowon D2 commit:
* bootloader test program (basic LCD & button drivers, reads touchscreen) * work-in-progress stubs for main build git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16090 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target')
-rw-r--r--firmware/target/arm/i2c-telechips.c187
-rw-r--r--firmware/target/arm/tcc780x/adc-tcc780x.c76
-rw-r--r--firmware/target/arm/tcc780x/ata-nand-tcc780x.c113
-rw-r--r--firmware/target/arm/tcc780x/ata-target.h22
-rw-r--r--firmware/target/arm/tcc780x/cowond2/adc-target.h26
-rw-r--r--firmware/target/arm/tcc780x/cowond2/backlight-target.h40
-rw-r--r--firmware/target/arm/tcc780x/cowond2/button-cowond2.c67
-rw-r--r--firmware/target/arm/tcc780x/cowond2/button-target.h52
-rw-r--r--firmware/target/arm/tcc780x/cowond2/i2c-target.h37
-rw-r--r--firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c346
-rw-r--r--firmware/target/arm/tcc780x/cowond2/pcm-cowond2.c86
-rw-r--r--firmware/target/arm/tcc780x/cowond2/power-cowond2.c71
-rw-r--r--firmware/target/arm/tcc780x/cowond2/powermgmt-cowond2.c59
-rw-r--r--firmware/target/arm/tcc780x/cowond2/usb-cowond2.c49
-rw-r--r--firmware/target/arm/tcc780x/crt0.S304
-rw-r--r--firmware/target/arm/tcc780x/debug-tcc780x.c88
-rw-r--r--firmware/target/arm/tcc780x/kernel-tcc780x.c43
-rw-r--r--firmware/target/arm/tcc780x/system-target.h35
-rw-r--r--firmware/target/arm/tcc780x/system-tcc780x.c275
-rw-r--r--firmware/target/arm/tcc780x/timer-target.h39
-rw-r--r--firmware/target/arm/tcc780x/timer-tcc780x.c82
-rw-r--r--firmware/target/arm/wmcodec-telechips.c51
22 files changed, 2148 insertions, 0 deletions
diff --git a/firmware/target/arm/i2c-telechips.c b/firmware/target/arm/i2c-telechips.c
new file mode 100644
index 0000000000..e3e8fd3d33
--- /dev/null
+++ b/firmware/target/arm/i2c-telechips.c
@@ -0,0 +1,187 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "config.h"
20
21#include "system.h"
22#include "i2c.h"
23#include "i2c-target.h"
24
25/* arbitrary delay loop */
26#define DELAY do { int _x; for(_x=0;_x<20;_x++);} while (0)
27
28static struct mutex i2c_mtx;
29
30void i2c_init(void)
31{
32 /* nothing to do */
33}
34
35void i2c_start(void)
36{
37 SDA_OUTPUT;
38
39 SCL_HI;
40 SDA_HI;
41 DELAY;
42
43 SDA_LO;
44 DELAY;
45 SCL_LO;
46 DELAY;
47}
48
49void i2c_stop(void)
50{
51 SDA_OUTPUT;
52
53 SDA_LO;
54 DELAY;
55
56 SCL_HI;
57 DELAY;
58 SDA_HI;
59 DELAY;
60}
61
62void i2c_outb(unsigned char byte)
63{
64 int bit;
65
66 SDA_OUTPUT;
67
68 for (bit = 0; bit < 8; bit++)
69 {
70 if ((byte<<bit) & 0x80)
71 SDA_HI;
72 else
73 SDA_LO;
74
75 DELAY;
76
77 SCL_HI;
78 DELAY;
79 SCL_LO;
80 DELAY;
81 }
82}
83
84unsigned char i2c_inb(int ack)
85{
86 int i;
87 unsigned char byte = 0;
88
89 SDA_INPUT;
90
91 /* clock in each bit, MSB first */
92 for ( i=0x80; i; i>>=1 )
93 {
94 SCL_HI;
95 DELAY;
96
97 if ( SDA ) byte |= i;
98
99 SCL_LO;
100 DELAY;
101 }
102
103 i2c_ack(ack);
104 return byte;
105}
106
107void i2c_ack(int bit)
108{
109 SDA_OUTPUT;
110
111 if (bit)
112 SDA_HI;
113 else
114 SDA_LO;
115
116 SCL_HI;
117 DELAY;
118 SCL_LO;
119 DELAY;
120}
121
122int i2c_getack(void)
123{
124 bool ack_bit;
125
126 SDA_INPUT;
127
128 SCL_HI;
129 DELAY;
130
131 ack_bit = SDA;
132 DELAY;
133
134 SCL_LO;
135 DELAY;
136
137 return ack_bit;
138}
139
140/* device = 8 bit slave address */
141int i2c_write(int device, unsigned char* buf, int count )
142{
143 int i = 0;
144 mutex_lock(&i2c_mtx);
145
146 i2c_start();
147 i2c_outb(device & 0xfe);
148
149 while (!i2c_getack() && i < count)
150 {
151 i2c_outb(buf[i++]);
152 }
153
154 i2c_stop();
155 mutex_unlock(&i2c_mtx);
156 return 0;
157}
158
159
160/* device = 8 bit slave address */
161int i2c_readmem(int device, int address, unsigned char* buf, int count )
162{
163 int i = 0;
164 mutex_lock(&i2c_mtx);
165
166 i2c_start();
167 i2c_outb(device & 0xfe);
168 if (i2c_getack()) goto exit;
169
170 i2c_outb(address);
171 if (i2c_getack()) goto exit;
172
173 i2c_start();
174 i2c_outb(device | 1);
175 if (i2c_getack()) goto exit;
176
177 while (i < count)
178 {
179 buf[i] = i2c_inb(i == (count-1));
180 i++;
181 }
182
183exit:
184 i2c_stop();
185 mutex_unlock(&i2c_mtx);
186 return 0;
187}
diff --git a/firmware/target/arm/tcc780x/adc-tcc780x.c b/firmware/target/arm/tcc780x/adc-tcc780x.c
new file mode 100644
index 0000000000..871db2b61d
--- /dev/null
+++ b/firmware/target/arm/tcc780x/adc-tcc780x.c
@@ -0,0 +1,76 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Dave Chapman
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "config.h"
20#include "cpu.h"
21#include "system.h"
22#include "kernel.h"
23#include "thread.h"
24#include "string.h"
25#include "adc.h"
26
27/*
28 TODO: We probably want to do this on the timer interrupt once we get
29 interrupts going - see the sh-adc.c implementation for an example which
30 looks like it should work well with the TCC77x.
31
32 Also, this code is practically identical between 77x & 780x targets.
33 Should probably find a common location to avoid the duplication.
34*/
35
36static unsigned short adcdata[8];
37
38static void adc_do_read(void)
39{
40 int i;
41 uint32_t adc_status;
42
43 PCLK_ADC |= PCK_EN; /* Enable ADC clock */
44
45 /* Start converting the first 4 channels */
46 for (i = 0; i < 4; i++)
47 ADCCON = i;
48
49 /* Wait for data to become stable */
50 while ((ADCDATA & 0x1) == 0);
51
52 /* Now read the values back */
53 for (i=0;i < 4; i++) {
54 adc_status = ADCSTATUS;
55 adcdata[(adc_status >> 16) & 0x7] = adc_status & 0x3ff;
56 }
57
58 PCLK_ADC &= ~PCK_EN; /* Disable ADC clock */
59}
60
61unsigned short adc_read(int channel)
62{
63 /* Either move this to an interrupt routine, or only perform the read if
64 the last call was X length of time ago. */
65 adc_do_read();
66
67 return adcdata[channel];
68}
69
70void adc_init(void)
71{
72 /* consider configuring PCK_ADC source here */
73
74 ADCCON = (1<<4); /* Leave standby mode */
75 ADCCFG |= 0x00000003; /* Single-mode, auto power-down */
76}
diff --git a/firmware/target/arm/tcc780x/ata-nand-tcc780x.c b/firmware/target/arm/tcc780x/ata-nand-tcc780x.c
new file mode 100644
index 0000000000..5aed090d5c
--- /dev/null
+++ b/firmware/target/arm/tcc780x/ata-nand-tcc780x.c
@@ -0,0 +1,113 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 Dave Chapman
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "ata.h"
20#include "ata-target.h"
21#include "ata_idle_notify.h"
22#include "system.h"
23#include <string.h>
24#include "thread.h"
25#include "led.h"
26#include "disk.h"
27#include "panic.h"
28#include "usb.h"
29
30/* for compatibility */
31int ata_spinup_time = 0;
32
33long last_disk_activity = -1;
34
35/** static, private data **/
36static bool initialized = false;
37
38static long next_yield = 0;
39#define MIN_YIELD_PERIOD 2000
40
41/* API Functions */
42
43void ata_led(bool onoff)
44{
45 led(onoff);
46}
47
48int ata_read_sectors(IF_MV2(int drive,) unsigned long start, int incount,
49 void* inbuf)
50{
51 #warning function not implemented
52 (void)start;
53 (void)incount;
54 (void)inbuf;
55 return 0;
56}
57
58int ata_write_sectors(IF_MV2(int drive,) unsigned long start, int count,
59 const void* outbuf)
60{
61 #warning function not implemented
62 (void)start;
63 (void)count;
64 (void)outbuf;
65 return 0;
66}
67
68void ata_spindown(int seconds)
69{
70 #warning function not implemented
71 (void)seconds;
72}
73
74bool ata_disk_is_active(void)
75{
76 #warning function not implemented
77 return 0;
78}
79
80void ata_sleep(void)
81{
82 #warning function not implemented
83}
84
85void ata_spin(void)
86{
87 #warning function not implemented
88}
89
90/* Hardware reset protocol as specified in chapter 9.1, ATA spec draft v5 */
91int ata_hard_reset(void)
92{
93 #warning function not implemented
94 return 0;
95}
96
97int ata_soft_reset(void)
98{
99 #warning function not implemented
100 return 0;
101}
102
103void ata_enable(bool on)
104{
105 #warning function not implemented
106 (void)on;
107}
108
109int ata_init(void)
110{
111 #warning function not implemented
112 return 0;
113}
diff --git a/firmware/target/arm/tcc780x/ata-target.h b/firmware/target/arm/tcc780x/ata-target.h
new file mode 100644
index 0000000000..79ac638de1
--- /dev/null
+++ b/firmware/target/arm/tcc780x/ata-target.h
@@ -0,0 +1,22 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 Dave Chapman
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#ifndef ATA_TARGET_H
20#define ATA_TARGET_H
21
22#endif
diff --git a/firmware/target/arm/tcc780x/cowond2/adc-target.h b/firmware/target/arm/tcc780x/cowond2/adc-target.h
new file mode 100644
index 0000000000..873183d721
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/adc-target.h
@@ -0,0 +1,26 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 Dave Chapman
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#ifndef _ADC_TARGET_H_
20#define _ADC_TARGET_H_
21
22#define NUM_ADC_CHANNELS 4
23
24#define ADC_BUTTONS 0
25
26#endif /* _ADC_TARGET_H_ */
diff --git a/firmware/target/arm/tcc780x/cowond2/backlight-target.h b/firmware/target/arm/tcc780x/cowond2/backlight-target.h
new file mode 100644
index 0000000000..0563fc20f5
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/backlight-target.h
@@ -0,0 +1,40 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#ifndef BACKLIGHT_TARGET_H
20#define BACKLIGHT_TARGET_H
21
22#include "tcc780x.h"
23
24#define _backlight_init() true
25
26/* nb: we can set the backlight intensity using PCF50606 register 0x35 */
27
28static inline void _backlight_on(void)
29{
30 /* Enable backlight */
31 GPIOA_SET = (1<<6);
32}
33
34static inline void _backlight_off(void)
35{
36 /* Disable backlight */
37 GPIOA_CLEAR = (1<<6);
38}
39
40#endif
diff --git a/firmware/target/arm/tcc780x/cowond2/button-cowond2.c b/firmware/target/arm/tcc780x/cowond2/button-cowond2.c
new file mode 100644
index 0000000000..dccdf4e8e0
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/button-cowond2.c
@@ -0,0 +1,67 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#include "config.h"
21#include "cpu.h"
22#include "button.h"
23#include "adc.h"
24
25void button_init_device(void)
26{
27 /* Nothing to do */
28}
29
30int button_read_device(void)
31{
32 int btn = BUTTON_NONE;
33 int adc;
34
35 if (GPIOB & 0x4)
36 {
37 adc = adc_read(ADC_BUTTONS);
38
39 /* The following contains some abitrary, but working, guesswork */
40 if (adc < 0x038) {
41 btn |= (BUTTON_MINUS | BUTTON_PLUS | BUTTON_MENU);
42 } else if (adc < 0x048) {
43 btn |= (BUTTON_MINUS | BUTTON_PLUS);
44 } else if (adc < 0x058) {
45 btn |= (BUTTON_PLUS | BUTTON_MENU);
46 } else if (adc < 0x070) {
47 btn |= BUTTON_PLUS;
48 } else if (adc < 0x090) {
49 btn |= (BUTTON_MINUS | BUTTON_MENU);
50 } else if (adc < 0x150) {
51 btn |= BUTTON_MINUS;
52 } else if (adc < 0x200) {
53 btn |= BUTTON_MENU;
54 }
55 }
56
57 /* TODO: Read 'fake' buttons based on touchscreen quadrants.
58 Question: How can I read from the PCF chip (I2C) in a tick task? */
59
60 if (!(GPIOA & 0x8))
61 btn |= BUTTON_HOLD;
62
63 if (!(GPIOA & 0x4))
64 btn |= BUTTON_POWER;
65
66 return btn;
67}
diff --git a/firmware/target/arm/tcc780x/cowond2/button-target.h b/firmware/target/arm/tcc780x/cowond2/button-target.h
new file mode 100644
index 0000000000..aa336f2f1f
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/button-target.h
@@ -0,0 +1,52 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#ifndef _BUTTON_TARGET_H_
21#define _BUTTON_TARGET_H_
22
23#include <stdbool.h>
24#include "config.h"
25
26void button_init_device(void);
27int button_read_device(void);
28
29/* Main unit's buttons */
30#define BUTTON_POWER 0x00000001
31#define BUTTON_HOLD 0x00000002
32#define BUTTON_PLUS 0x00000004
33#define BUTTON_MINUS 0x00000008
34#define BUTTON_MENU 0x00000010
35
36/* Faked buttons based on touchscreen quadrants (not yet read) */
37#define BUTTON_UP 0x00000020
38#define BUTTON_DOWN 0x00000040
39#define BUTTON_LEFT 0x00000080
40#define BUTTON_RIGHT 0x00000100
41#define BUTTON_SELECT 0x00000200
42
43#define BUTTON_MAIN 0x3FF
44
45/* No remote */
46#define BUTTON_REMOTE 0
47
48/* Software power-off */
49#define POWEROFF_BUTTON BUTTON_POWER
50#define POWEROFF_COUNT 40
51
52#endif /* _BUTTON_TARGET_H_ */
diff --git a/firmware/target/arm/tcc780x/cowond2/i2c-target.h b/firmware/target/arm/tcc780x/cowond2/i2c-target.h
new file mode 100644
index 0000000000..8925a9bae3
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/i2c-target.h
@@ -0,0 +1,37 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#ifndef I2C_TARGET_H
20#define I2C_TARGET_H
21
22/* Definitions for the D2 I2C bus */
23
24#define SCL_BIT (1<<0)
25#define SDA_BIT (1<<1)
26
27#define SCL (GPIOA & SCL_BIT)
28#define SCL_HI GPIOA_SET = SCL_BIT
29#define SCL_LO GPIOA_CLEAR = SCL_BIT
30
31#define SDA (GPIOA & SDA_BIT)
32#define SDA_HI GPIOA_SET = SDA_BIT
33#define SDA_LO GPIOA_CLEAR = SDA_BIT
34#define SDA_INPUT GPIOA_DIR &= ~SDA_BIT
35#define SDA_OUTPUT GPIOA_DIR |= SDA_BIT
36
37#endif /* I2C_TARGET_H */
diff --git a/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c b/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c
new file mode 100644
index 0000000000..181c58669e
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c
@@ -0,0 +1,346 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "config.h"
20
21#include "hwcompat.h"
22#include "kernel.h"
23#include "lcd.h"
24#include "system.h"
25#include "cpu.h"
26#include "i2c.h"
27
28/* GPIO A pins for LCD panel SDI interface */
29
30#define LTV250QV_CS (1<<24)
31#define LTV250QV_SCL (1<<25)
32#define LTV250QV_SDI (1<<26)
33
34/* LCD Controller registers */
35
36#define LCDC_CTRL (*(volatile unsigned long *)0xF0000000)
37#define LCDC_CLKDIV (*(volatile unsigned long *)0xF0000008)
38#define LCDC_HTIME1 (*(volatile unsigned long *)0xF000000C)
39#define LCDC_HTIME2 (*(volatile unsigned long *)0xF0000010)
40#define LCDC_VTIME1 (*(volatile unsigned long *)0xF0000014)
41#define LCDC_VTIME2 (*(volatile unsigned long *)0xF0000018)
42#define LCDC_VTIME3 (*(volatile unsigned long *)0xF000001C)
43#define LCDC_VTIME4 (*(volatile unsigned long *)0xF0000020)
44#define LCDC_DS (*(volatile unsigned long *)0xF000005C)
45#define LCDC_I1CTRL (*(volatile unsigned long *)0xF000008C)
46#define LCDC_I1POS (*(volatile unsigned long *)0xF0000090)
47#define LCDC_I1SIZE (*(volatile unsigned long *)0xF0000094)
48#define LCDC_I1BASE (*(volatile unsigned long *)0xF0000098)
49#define LCDC_I1OFF (*(volatile unsigned long *)0xF00000A8)
50#define LCDC_I1SCALE (*(volatile unsigned long *)0xF00000AC)
51
52/* Power and display status */
53static bool display_on = false; /* Is the display turned on? */
54
55
56int lcd_default_contrast(void)
57{
58 return 0x1f;
59}
60
61void lcd_set_contrast(int val)
62{
63 /* iirc there is an ltv250qv command to do this */
64 #warning function not implemented
65 (void)val;
66}
67
68
69/* LTV250QV panel functions */
70
71static void ltv250qv_write(unsigned int command)
72{
73 int i;
74
75 GPIOA_CLEAR = LTV250QV_CS;
76
77 for (i = 23; i >= 0; i--)
78 {
79 GPIOA_CLEAR = LTV250QV_SCL;
80
81 if ((command>>i) & 1)
82 GPIOA_SET = LTV250QV_SDI;
83 else
84 GPIOA_CLEAR = LTV250QV_SDI;
85
86 GPIOA_SET = LTV250QV_SCL;
87 }
88
89 GPIOA_SET = LTV250QV_CS;
90}
91
92static void lcd_write_reg(unsigned char reg, unsigned short val)
93{
94 ltv250qv_write(0x740000 | reg);
95 ltv250qv_write(0x760000 | val);
96}
97
98
99/* TODO: The existing pcf50606 drivers are target-specific, so the following
100 lonely function exists until a D2 driver exists. */
101
102void pcf50606_write_reg(unsigned char reg, unsigned char val)
103{
104 unsigned char data[] = { reg, val };
105 i2c_write(0x10, data, 2);
106}
107
108
109/*
110 TEMP: Rough millisecond delay routine used by the LCD panel init sequence.
111 PCK_TCT must first have been initialised to 2Mhz by calling clock_init().
112*/
113static void sleep_ms(unsigned int ms)
114{
115 /* disable timer */
116 TCFG1 = 0;
117
118 /* set Timer1 reference value based on 125kHz tick */
119 TREF1 = ms * 125;
120
121 /* single count, zero the counter, divider = 16 [2^(3+1)], enable */
122 TCFG1 = (1<<9) | (1<<8) | (3<<4) | 1;
123
124 /* wait until Timer1 ref reached */
125 while (!(TIREQ & TF1)) {};
126}
127
128
129static void lcd_display_on(void)
130{
131 /* power on sequence as per the D2 firmware */
132 GPIOA_SET = (1<<16);
133
134 sleep_ms(10);
135
136 lcd_write_reg(1, 0x1D);
137 lcd_write_reg(2, 0x0);
138 lcd_write_reg(3, 0x0);
139 lcd_write_reg(4, 0x0);
140 lcd_write_reg(5, 0x40A3);
141 lcd_write_reg(6, 0x0);
142 lcd_write_reg(7, 0x0);
143 lcd_write_reg(8, 0x0);
144 lcd_write_reg(9, 0x0);
145 lcd_write_reg(10, 0x0);
146 lcd_write_reg(16, 0x0);
147 lcd_write_reg(17, 0x0);
148 lcd_write_reg(18, 0x0);
149 lcd_write_reg(19, 0x0);
150 lcd_write_reg(20, 0x0);
151 lcd_write_reg(21, 0x0);
152 lcd_write_reg(22, 0x0);
153 lcd_write_reg(23, 0x0);
154 lcd_write_reg(24, 0x0);
155 lcd_write_reg(25, 0x0);
156 sleep_ms(10);
157
158 lcd_write_reg(9, 0x4055);
159 lcd_write_reg(10, 0x0);
160 sleep_ms(40);
161
162 lcd_write_reg(10, 0x2000);
163 sleep_ms(40);
164
165 lcd_write_reg(1, 0xC01D);
166 lcd_write_reg(2, 0x204);
167 lcd_write_reg(3, 0xE100);
168 lcd_write_reg(4, 0x1000);
169 lcd_write_reg(5, 0x5033);
170 lcd_write_reg(6, 0x4);
171 lcd_write_reg(7, 0x30);
172 lcd_write_reg(8, 0x41C);
173 lcd_write_reg(16, 0x207);
174 lcd_write_reg(17, 0x702);
175 lcd_write_reg(18, 0xB05);
176 lcd_write_reg(19, 0xB05);
177 lcd_write_reg(20, 0x707);
178 lcd_write_reg(21, 0x507);
179 lcd_write_reg(22, 0x103);
180 lcd_write_reg(23, 0x406);
181 lcd_write_reg(24, 0x2);
182 lcd_write_reg(25, 0x0);
183 sleep_ms(60);
184
185 lcd_write_reg(9, 0xA55);
186 lcd_write_reg(10, 0x111F);
187 sleep_ms(10);
188
189 pcf50606_write_reg(0x35, 0xe9); /* PWMC1 - backlight power (intensity) */
190 pcf50606_write_reg(0x38, 0x3); /* GPOC1 - ? */
191
192 /* tell that we're on now */
193 display_on = true;
194}
195
196static void lcd_display_off(void)
197{
198 /* block drawing operations and changing of first */
199 display_on = false;
200
201 /* LQV shutdown sequence */
202 lcd_write_reg(9, 0x55);
203 lcd_write_reg(10, 0x1417);
204 lcd_write_reg(5, 0x4003);
205 sleep_ms(10);
206
207 lcd_write_reg(9, 0x0);
208 sleep_ms(10);
209
210 /* kill power to LCD panel (unconfirmed) */
211 GPIOA_CLEAR = (1<<16);
212
213 /* also kill the backlight, otherwise LCD fade is visible on screen */
214 GPIOA_CLEAR = (1<<6);
215}
216
217
218void lcd_enable(bool on)
219{
220 if (on == display_on)
221 return;
222
223 if (on)
224 {
225 lcd_display_on(); /* Turn on display */
226 lcd_update(); /* Resync display */
227 }
228 else
229 {
230 lcd_display_off(); /* Turn off display */
231 }
232}
233
234bool lcd_enabled(void)
235{
236 return display_on;
237}
238
239
240void lcd_init_device(void)
241{
242 BCLKCTR |= 4; /* enable LCD bus clock */
243
244 /* set PCK_LCD to 108Mhz */
245 PCLK_LCD &= ~PCK_EN;
246 PCLK_LCD = PCK_EN | (CKSEL_PLL1<<24) | 1; /* source = PLL1, divided by 2 */
247
248 /* reset the LCD controller */
249 SWRESET |= 4;
250 SWRESET &= ~4;
251
252 /* set port configuration */
253 PORTCFG1 &= ~0xC0000000;
254 PORTCFG1 &= ~0x3FC0;
255 PORTCFG2 &= ~0x100;
256
257 /* set physical display size */
258 LCDC_DS = (LCD_HEIGHT<<16) | LCD_WIDTH;
259
260 LCDC_HTIME1 = (0x2d<<16) | 0x3bf;
261 LCDC_HTIME2 = (1<<16) | 1;
262 LCDC_VTIME1 = LCDC_VTIME3 = (0<<16) | 239;
263 LCDC_VTIME2 = LCDC_VTIME4 = (1<<16) | 3;
264
265 LCDC_I1BASE = (unsigned int)lcd_framebuffer; /* dirty, dirty hack */
266 LCDC_I1SIZE = (LCD_HEIGHT<<16) | LCD_WIDTH; /* image 1 size */
267 //LCDC_I1POS = (0<<16) | 0; /* position */
268 //LCDC_I1OFF = 0; /* address offset */
269 //LCDC_I1SCALE = 0; /* scaling */
270 LCDC_I1CTRL = 5; /* 565bpp (7 = 888bpp) */
271 //LCDC_CTRL &= ~(1<<28);
272
273 LCDC_CLKDIV = (LCDC_CLKDIV &~ 0xFF00FF) | (1<<16) | 2; /* and this means? */
274
275 /* set and clear various flags - not investigated yet */
276 //LCDC_CTRL &~ 0x090006AA; /* clear bits 1,3,5,7,9,10,24,27 */
277 LCDC_CTRL |= 0x02800144; /* set bits 2,6,8,25,23 */
278 LCDC_CTRL = (LCDC_CTRL &~ 0xF0000) | 0x20000;
279 //LCDC_CTRL = (LCDC_CTRL &~ 0x700000) | 0x700000;
280
281 /* enable LCD controller */
282 LCDC_CTRL |= 1;
283}
284
285
286/*** Update functions ***/
287
288
289/* Update the display.
290 This must be called after all other LCD functions that change the display. */
291void lcd_update(void) ICODE_ATTR;
292void lcd_update(void)
293{
294 #warning function not implemented
295 /* currently lcd_framebuffer is accessed directly by the hardware */
296}
297
298/* Update a fraction of the display. */
299void lcd_update_rect(int, int, int, int) ICODE_ATTR;
300void lcd_update_rect(int x, int y, int width, int height)
301{
302 #warning function not implemented
303 (void)x;
304 (void)y;
305 (void)width;
306 (void)height;
307}
308
309void lcd_set_flip(bool yesno)
310{
311 #warning function not implemented
312 (void)yesno;
313}
314
315void lcd_set_invert_display(bool yesno)
316{
317 #warning function not implemented
318 (void)yesno;
319}
320
321void lcd_blit(const fb_data* data, int bx, int y, int bwidth,
322 int height, int stride)
323{
324 #warning function not implemented
325 (void)data;
326 (void)bx;
327 (void)y;
328 (void)bwidth;
329 (void)height;
330 (void)stride;
331}
332
333void lcd_yuv_blit(unsigned char * const src[3],
334 int src_x, int src_y, int stride,
335 int x, int y, int width, int height)
336{
337 #warning function not implemented
338 (void)src;
339 (void)src_x;
340 (void)src_y;
341 (void)stride;
342 (void)x;
343 (void)y;
344 (void)width;
345 (void)height;
346}
diff --git a/firmware/target/arm/tcc780x/cowond2/pcm-cowond2.c b/firmware/target/arm/tcc780x/cowond2/pcm-cowond2.c
new file mode 100644
index 0000000000..2d50f042d9
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/pcm-cowond2.c
@@ -0,0 +1,86 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Karl Kurbjun
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "system.h"
20#include "kernel.h"
21#include "logf.h"
22#include "audio.h"
23#include "sound.h"
24#include "file.h"
25
26void pcm_postinit(void)
27{
28 #warning function not implemented
29}
30
31const void * pcm_play_dma_get_peak_buffer(int *count)
32{
33 #warning function not implemented
34 (void) count;
35 return 0;
36}
37
38void pcm_play_dma_init(void)
39{
40 #warning function not implemented
41}
42
43void pcm_apply_settings(void)
44{
45 #warning function not implemented
46}
47
48void pcm_set_frequency(unsigned int frequency)
49{
50 #warning function not implemented
51 (void) frequency;
52}
53
54void pcm_play_dma_start(const void *addr, size_t size)
55{
56 #warning function not implemented
57 (void) addr;
58 (void) size;
59}
60
61void pcm_play_dma_stop(void)
62{
63 #warning function not implemented
64}
65
66void pcm_play_lock(void)
67{
68 #warning function not implemented
69}
70
71void pcm_play_unlock(void)
72{
73 #warning function not implemented
74}
75
76void pcm_play_dma_pause(bool pause)
77{
78 #warning function not implemented
79 (void) pause;
80}
81
82size_t pcm_get_bytes_waiting(void)
83{
84 #warning function not implemented
85 return 0;
86}
diff --git a/firmware/target/arm/tcc780x/cowond2/power-cowond2.c b/firmware/target/arm/tcc780x/cowond2/power-cowond2.c
new file mode 100644
index 0000000000..d8a58570e4
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/power-cowond2.c
@@ -0,0 +1,71 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 Dave Chapman
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "config.h"
20#include "cpu.h"
21#include <stdbool.h>
22#include "kernel.h"
23#include "system.h"
24#include "power.h"
25
26#ifndef SIMULATOR
27
28void power_init(void)
29{
30 #warning function not implemented
31}
32
33void ide_power_enable(bool on)
34{
35 #warning function not implemented
36 (void)on;
37}
38
39bool ide_powered(void)
40{
41 #warning function not implemented
42 return true;
43}
44
45void power_off(void)
46{
47 #warning function not implemented
48}
49
50#else /* SIMULATOR */
51
52bool charger_inserted(void)
53{
54 return false;
55}
56
57void charger_enable(bool on)
58{
59 (void)on;
60}
61
62void power_off(void)
63{
64}
65
66void ide_power_enable(bool on)
67{
68 (void)on;
69}
70
71#endif /* SIMULATOR */
diff --git a/firmware/target/arm/tcc780x/cowond2/powermgmt-cowond2.c b/firmware/target/arm/tcc780x/cowond2/powermgmt-cowond2.c
new file mode 100644
index 0000000000..b3572307e9
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/powermgmt-cowond2.c
@@ -0,0 +1,59 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Karl Kurbjun
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#include "config.h"
21#include "adc.h"
22#include "powermgmt.h"
23#include "kernel.h"
24
25unsigned short current_voltage = 3910;
26const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
27{
28 0
29};
30
31const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
32{
33 0
34};
35
36/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
37const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
38{
39 { 100, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1320 },
40};
41
42/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
43const unsigned short percent_to_volt_charge[11] =
44{
45 100, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1320,
46};
47
48void read_battery_inputs(void)
49{
50 #warning function not implemented
51}
52
53/* Returns battery voltage from ADC [millivolts] */
54unsigned int battery_adc_voltage(void)
55{
56 #warning function not implemented
57 return 0;
58}
59
diff --git a/firmware/target/arm/tcc780x/cowond2/usb-cowond2.c b/firmware/target/arm/tcc780x/cowond2/usb-cowond2.c
new file mode 100644
index 0000000000..6ec903b917
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/usb-cowond2.c
@@ -0,0 +1,49 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#include "config.h"
21#include "cpu.h"
22#include "system.h"
23#include "kernel.h"
24#include "ata.h"
25
26/* USB detect is GPIOC 26 active low */
27inline bool usb_detect(void)
28{
29 return (GPIOC & 1<<26)?false:true;
30}
31
32void usb_init_device(void)
33{
34 #warning function not implemented
35}
36
37void usb_enable(bool on)
38{
39 #warning function not implemented
40
41 if (on)
42 {
43
44 }
45 else
46 {
47
48 }
49}
diff --git a/firmware/target/arm/tcc780x/crt0.S b/firmware/target/arm/tcc780x/crt0.S
new file mode 100644
index 0000000000..6e092bcd82
--- /dev/null
+++ b/firmware/target/arm/tcc780x/crt0.S
@@ -0,0 +1,304 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2002 by Linus Nielsen Feltzing
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20/* Arm bootloader and startup code based on startup.s from the iPodLinux loader
21 *
22 * Copyright (c) 2003, Daniel Palffy (dpalffy (at) rainstorm.org)
23 * Copyright (c) 2005, Bernard Leach <leachbj@bouncycastle.org>
24 *
25 */
26
27#include "config.h"
28#include "cpu.h"
29
30 .section .init.text,"ax",%progbits
31
32 .global start
33
34/* Telechips firmware files start with a 32-byte header, as part of the code. */
35
36start:
37#ifdef TCCBOOT
38 /* Add -DTCCBOOT to EXTRA_DEFINES in the bootloader Makefile to
39 enable building the bootloader to be appended to the end of the
40 original firmware, dual-booting based on a key-press.
41
42 NB: On the D2 TCCBOOT currently only works in USB boot mode (via tcctool)
43 When flashed to the device, the OF will boot as normal - but holding a
44 key to boot Rockbox results in a blank screen and crashed player.
45
46 The following two values are filled in by mktccboot.
47 */
48 .word 0 /* Saved entrypoint of original firmware*/
49 .word 0 /* Location in RAM of the start of our bootloader */
50#else
51 ldr pc, =start_loc /* jump to the main entry point */
52
53 .word 0xffff0601 /* Unknown magic */
54 .word 0x3a726556 /* "Ver:" */
55 .word 0x31373030 /* "0071" */
56 .word 0 /* First CRC32 */
57 .word 0 /* Unknown - always 0 */
58 .word 0 /* Second CRC32 */
59 .word 0 /* length of firmware file */
60
61#ifdef COWON_D2
62 /* Some original firmwares have 0x40 bytes of zeroes here - we
63 don't know why, but err on the side of caution and include it
64 here. */
65 .space 0x40
66#endif
67#endif
68
69start_loc:
70
71#ifdef BOOTLOADER
72#ifdef TCCBOOT
73#ifdef COWON_D2
74 ldr r0, =0xf005a000
75 ldr r0, [r0, #0x40] /* Read GPIO B */
76 tst r0, #0x4
77 ldreq pc, [pc, #-28] /* Jump to original firmware if keypad not pressed */
78#else
79 #error No bootup key detection implemented for this target
80#endif
81
82 /* Copy bootloader to safe area - 0x21000000 (DRAM) */
83 /* TODO: Adjust this for other targets - DRAM + DRAMSIZE - 0x100000 */
84 ldr r0, [pc, #-28]
85 mov r1, #0x22000000
86 sub r1, r1, #0x100000
87 ldr r2, =_dataend
881:
89 cmp r2, r1
90 ldrhi r3, [r0], #4
91 strhi r3, [r1], #4
92 bhi 1b
93
94 ldr pc, =copied_start /* jump to the relocated start_loc: */
95
96copied_start:
97#endif
98#else
99 /* We don't use interrupts in the bootloader */
100
101 /* Set up stack for IRQ mode */
102 mov r0,#0xd2
103 msr cpsr, r0
104 ldr sp, =irq_stack
105 /* Set up stack for FIQ mode */
106 mov r0,#0xd1
107 msr cpsr, r0
108 ldr sp, =fiq_stack
109
110 /* Let abort and undefined modes use IRQ stack */
111 mov r0,#0xd7
112 msr cpsr, r0
113 ldr sp, =irq_stack
114 mov r0,#0xdb
115 msr cpsr, r0
116 ldr sp, =irq_stack
117#endif
118
119 /* Switch to supervisor mode */
120 mov r0,#0xd3
121 msr cpsr, r0
122 ldr sp, =stackend
123
124
125#if !defined(BOOTLOADER) && !defined(STUB)
126
127 /* Copy exception handler code to address 0 */
128 ldr r2, =_vectorsstart
129 ldr r3, =_vectorsend
130 ldr r4, =_vectorscopy
1311:
132 cmp r3, r2
133 ldrhi r5, [r4], #4
134 strhi r5, [r2], #4
135 bhi 1b
136
137 /* Zero out IBSS */
138 ldr r2, =_iedata
139 ldr r3, =_iend
140 mov r4, #0
1411:
142 cmp r3, r2
143 strhi r4, [r2], #4
144 bhi 1b
145
146 /* Copy the ITCM */
147 ldr r2, =_itcmcopy
148 ldr r3, =_itcmstart
149 ldr r4, =_itcmend
1501:
151 cmp r4, r3
152 ldrhi r5, [r2], #4
153 strhi r5, [r3], #4
154 bhi 1b
155
156 /* Copy the DTCM */
157 ldr r2, =_dtcmcopy
158 ldr r3, =_dtcmstart
159 ldr r4, =_dtcmend
1601:
161 cmp r4, r3
162 ldrhi r5, [r2], #4
163 strhi r5, [r3], #4
164 bhi 1b
165#endif /* !BOOTLOADER,!STUB */
166
167 /* Initialise bss section to zero */
168 ldr r2, =_edata
169 ldr r3, =_end
170 mov r4, #0
1711:
172 cmp r3, r2
173 strhi r4, [r2], #4
174 bhi 1b
175
176 /* Set up some stack and munge it with 0xdeadbeef */
177 ldr sp, =stackend
178 mov r3, sp
179 ldr r2, =stackbegin
180 ldr r4, =0xdeadbeef
1811:
182 cmp r3, r2
183 strhi r4, [r2], #4
184 bhi 1b
185
186 /*
187 Enable cache & TCM regions
188 TODO: This is just doing what the OF does at present. It needs to be
189 better understood and moved out to a separate MMU functions package.
190 */
191 ldr r1, =0x1fe0c
192 mov r0, #0xf7000000
193 str r1, [r0]
194 ldr r1, =0x2801ae24
195 str r1, [r0,#4]
196 ldr r1, =0x13e44
197 str r1, [r0,#8]
198 ldr r1, =0x4001ce60
199 str r1, [r0,#0xc]
200 ldr r1, =0x6001be80
201 str r1, [r0,#0x10]
202 ldr r1, =0x3801aea4
203 str r1, [r0,#0x14]
204 ldr r1, =0x8001eec0
205 str r1, [r0,#0x18]
206 ldr r1, =0x1001aee0
207 str r1, [r0,#0x1c]
208 add r1, r0, #0x8000 /* r1 now = 0xf7008000 */
209 ldr r0, =0xa0000011
210 ldr r2, =0x5507d
211 mcr p15, 0, r0,c9,c1 /* data tcm region (enabled; 8kb; 0xa0000000) */
212 mov r0, #0xd
213 mcr p15, 0, r0,c9,c1, 1 /* inst tcm region (enabled, 4kb, 0x00000000) */
214 ldr r0, =0x55555555
215 mcr p15, 0, r1,c2,c0 /* translation table base register = 0xf7008000 */
216 mcr p15, 0, r0,c3,c0 /* domain access d0-d15 = 'client' */
217 mov r0, #0
218 mcr p15, 0, r0,c7,c5 /* invalidate icache */
219 mcr p15, 0, r2,c1,c0 /* enable mmu, i & d caches */
220 mcr p15, 0, r0,c7,c6 /* invalidate dcache */
221 mcr p15, 0, r1,c8,c7 /* invalidate tlb */
222
223 bl main
224 /* main() should never return */
225
226#ifndef BOOTLOADER
227
228/* Exception handlers. Will be copied to address 0 after memory remapping */
229 .section .vectors,"aw"
230 ldr pc, [pc, #24]
231 ldr pc, [pc, #24]
232 ldr pc, [pc, #24]
233 ldr pc, [pc, #24]
234 ldr pc, [pc, #24]
235 ldr pc, [pc, #24]
236 ldr pc, [pc, #24]
237 ldr pc, [pc, #24]
238
239 /* Exception vectors */
240 .global vectors
241vectors:
242 .word start
243 .word undef_instr_handler
244 .word software_int_handler
245 .word prefetch_abort_handler
246 .word data_abort_handler
247 .word reserved_handler
248 .word irq_handler
249 .word fiq_handler
250
251 .text
252
253#if !defined(STUB)
254 .global irq
255 .global fiq
256 .global UIE
257#endif
258
259/* All illegal exceptions call into UIE with exception address as first
260 parameter. This is calculated differently depending on which exception
261 we're in. Second parameter is exception number, used for a string lookup
262 in UIE.
263 */
264undef_instr_handler:
265 mov r0, lr
266 mov r1, #0
267 b UIE
268
269/* We run supervisor mode most of the time, and should never see a software
270 exception being thrown. Perhaps make it illegal and call UIE?
271 */
272software_int_handler:
273reserved_handler:
274 movs pc, lr
275
276prefetch_abort_handler:
277 sub r0, lr, #4
278 mov r1, #1
279 b UIE
280
281data_abort_handler:
282 sub r0, lr, #8
283 mov r1, #2
284 b UIE
285
286#if defined(STUB)
287UIE:
288 b UIE
289#endif
290
291 /* We don't use interrupts in the bootloader */
292
293/* Align stacks to cache line boundary */
294 .balign 16
295
296/* 256 words of IRQ stack */
297 .space 256*4
298irq_stack:
299
300/* 256 words of FIQ stack */
301 .space 256*4
302fiq_stack:
303
304#endif
diff --git a/firmware/target/arm/tcc780x/debug-tcc780x.c b/firmware/target/arm/tcc780x/debug-tcc780x.c
new file mode 100644
index 0000000000..cc5716fd88
--- /dev/null
+++ b/firmware/target/arm/tcc780x/debug-tcc780x.c
@@ -0,0 +1,88 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#include "config.h"
21#include "cpu.h"
22#include "system.h"
23#include "string.h"
24#include <stdbool.h>
25#include "button.h"
26#include "lcd.h"
27#include "sprintf.h"
28#include "font.h"
29
30bool __dbg_ports(void);
31bool __dbg_ports(void)
32{
33 return false;
34}
35
36//extern char r_buffer[5];
37//extern int r_button;
38
39bool __dbg_hw_info(void);
40bool __dbg_hw_info(void)
41{
42 int line = 0, button, oldline;
43 int *address=0x0;
44 bool done=false;
45 char buf[100];
46
47 lcd_setmargins(0, 0);
48 lcd_setfont(FONT_SYSFIXED);
49 lcd_clear_display();
50
51 /* Put all the static text before the while loop */
52 lcd_puts(0, line++, "[Hardware info]");
53
54 /* TODO: ... */
55
56 line++;
57 oldline=line;
58 while(!done)
59 {
60 line = oldline;
61 button = button_get(false);
62
63 button &= ~BUTTON_REPEAT;
64
65 if (button == BUTTON_MENU)
66 done=true;
67 if(button==BUTTON_DOWN)
68 address+=0x01;
69 else if (button==BUTTON_UP)
70 address-=0x01;
71
72 /*snprintf(buf, sizeof(buf), "Buffer: 0x%02x%02x%02x%02x%02x",
73 r_buffer[0], r_buffer[1], r_buffer[2], r_buffer[3],r_buffer[4] ); lcd_puts(0, line++, buf);
74 snprintf(buf, sizeof(buf), "Button: 0x%08x, HWread: 0x%08x",
75 (unsigned int)button, r_button); lcd_puts(0, line++, buf);*/
76 snprintf(buf, sizeof(buf), "current tick: %08x Seconds running: %08d",
77 (unsigned int)current_tick, (unsigned int)current_tick/100); lcd_puts(0, line++, buf);
78 snprintf(buf, sizeof(buf), "Address: 0x%08x Data: 0x%08x",
79 (unsigned int)address, *address); lcd_puts(0, line++, buf);
80 snprintf(buf, sizeof(buf), "Address: 0x%08x Data: 0x%08x",
81 (unsigned int)(address+1), *(address+1)); lcd_puts(0, line++, buf);
82 snprintf(buf, sizeof(buf), "Address: 0x%08x Data: 0x%08x",
83 (unsigned int)(address+2), *(address+2)); lcd_puts(0, line++, buf);
84
85 lcd_update();
86 }
87 return false;
88}
diff --git a/firmware/target/arm/tcc780x/kernel-tcc780x.c b/firmware/target/arm/tcc780x/kernel-tcc780x.c
new file mode 100644
index 0000000000..e0d9c3342e
--- /dev/null
+++ b/firmware/target/arm/tcc780x/kernel-tcc780x.c
@@ -0,0 +1,43 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Copyright (C) 2008 by Rob Purchase
11*
12* All files in this archive are subject to the GNU General Public License.
13* See the file COPYING in the source tree root for full license agreement.
14*
15* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16* KIND, either express or implied.
17*
18****************************************************************************/
19
20#include "config.h"
21#include "system.h"
22#include "kernel.h"
23#include "timer.h"
24#include "thread.h"
25
26/* NB: PCK_TCT must previously have been set to 2Mhz by calling clock_init() */
27void tick_start(unsigned int interval_in_ms)
28{
29 /* disable Timer0 */
30 TCFG0 &= ~1;
31
32 /* set counter reference value based on 1Mhz tick */
33 TREF0 = interval_in_ms * 1000;
34
35 /* Timer0 = reset to 0, divide=2, IRQ enable, enable (continuous) */
36 TCFG0 = (1<<8) | (0<<4) | (1<<3) | 1;
37
38 /* Unmask timer IRQ */
39 MIRQ &= ~TIMER_IRQ_MASK;
40}
41
42/* NB: Since the 7801 has a single timer IRQ, the tick tasks are dispatched
43 as part of the central timer IRQ processing in timer-tcc780x.c */
diff --git a/firmware/target/arm/tcc780x/system-target.h b/firmware/target/arm/tcc780x/system-target.h
new file mode 100644
index 0000000000..15508bc8bf
--- /dev/null
+++ b/firmware/target/arm/tcc780x/system-target.h
@@ -0,0 +1,35 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Dave Chapman
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#ifndef SYSTEM_TARGET_H
20#define SYSTEM_TARGET_H
21
22#include "system-arm.h"
23
24#define CPUFREQ_DEFAULT 98784000
25#define CPUFREQ_NORMAL 98784000
26#define CPUFREQ_MAX 192000000
27
28#define inl(a) (*(volatile unsigned long *) (a))
29#define outl(a,b) (*(volatile unsigned long *) (b) = (a))
30#define inb(a) (*(volatile unsigned char *) (a))
31#define outb(a,b) (*(volatile unsigned char *) (b) = (a))
32#define inw(a) (*(volatile unsigned short *) (a))
33#define outw(a,b) (*(volatile unsigned short *) (b) = (a))
34
35#endif /* SYSTEM_TARGET_H */
diff --git a/firmware/target/arm/tcc780x/system-tcc780x.c b/firmware/target/arm/tcc780x/system-tcc780x.c
new file mode 100644
index 0000000000..30221d180e
--- /dev/null
+++ b/firmware/target/arm/tcc780x/system-tcc780x.c
@@ -0,0 +1,275 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#include "kernel.h"
21#include "system.h"
22#include "panic.h"
23
24#if !defined(BOOTLOADER)
25
26#define default_interrupt(name) \
27 extern __attribute__((weak,alias("UIRQ"))) void name (void)
28
29void irq_handler(void) __attribute__((interrupt ("IRQ"), naked));
30void fiq_handler(void) __attribute__((interrupt ("FIQ"), naked));
31
32default_interrupt(EXT0);
33default_interrupt(EXT1);
34default_interrupt(EXT2);
35default_interrupt(EXT3);
36default_interrupt(IRQ4);
37default_interrupt(IRQ5);
38default_interrupt(TIMER);
39default_interrupt(IRQ7);
40default_interrupt(IRQ8);
41default_interrupt(IRQ9);
42default_interrupt(IRQ10);
43default_interrupt(IRQ11);
44default_interrupt(IRQ12);
45default_interrupt(IRQ13);
46default_interrupt(DAI_RX);
47default_interrupt(DAI_TX);
48default_interrupt(IRQ16);
49default_interrupt(IRQ17);
50default_interrupt(IRQ18);
51default_interrupt(IRQ19);
52default_interrupt(IRQ20);
53default_interrupt(IRQ21);
54default_interrupt(IRQ22);
55default_interrupt(IRQ23);
56default_interrupt(IRQ24);
57default_interrupt(IRQ25);
58default_interrupt(IRQ26);
59default_interrupt(IRQ27);
60default_interrupt(IRQ28);
61default_interrupt(IRQ29);
62default_interrupt(IRQ30);
63default_interrupt(IRQ31);
64
65static void (* const irqvector[])(void) =
66{
67 EXT0,EXT1,EXT2,EXT3,IRQ4,IRQ5,TIMER,IRQ7,
68 IRQ8,IRQ9,IRQ10,IRQ11,IRQ12,IRQ13,DAI_RX,DAI_TX,
69 IRQ16,IRQ17,IRQ18,IRQ19,IRQ20,IRQ21,IRQ22,IRQ23,
70 IRQ24,IRQ25,IRQ26,IRQ27,IRQ28,IRQ29,IRQ30,IRQ31
71};
72
73static const char * const irqname[] =
74{
75 "EXT0","EXT1","EXT2","EXT3","IRQ4","IRQ5","TIMER","IRQ7",
76 "IRQ8","IRQ9","IRQ10","IRQ11","IRQ12","IRQ13","DAI_RX","DAI_TX",
77 "IRQ16","IRQ17","IRQ18","IRQ19","IRQ20","IRQ21","IRQ22","IRQ23",
78 "IRQ24","IRQ25","IRQ26","IRQ27","IRQ28","IRQ29","IRQ30","IRQ31"
79};
80
81static void UIRQ(void)
82{
83 unsigned int offset = VNIRQ;
84 panicf("Unhandled IRQ %02X: %s", offset, irqname[offset]);
85}
86
87void irq_handler(void)
88{
89 /*
90 * Based on: linux/arch/arm/kernel/entry-armv.S and system-meg-fx.c
91 */
92
93 asm volatile( "stmfd sp!, {r0-r7, ip, lr} \n" /* Store context */
94 "sub sp, sp, #8 \n"); /* Reserve stack */
95 irqvector[VNIRQ]();
96 asm volatile( "add sp, sp, #8 \n" /* Cleanup stack */
97 "ldmfd sp!, {r0-r7, ip, lr} \n" /* Restore context */
98 "subs pc, lr, #4 \n"); /* Return from FIQ */
99}
100
101void fiq_handler(void)
102{
103 asm volatile (
104 "sub lr, lr, #4 \r\n"
105 "movs lr,pc \r\n"
106 );
107}
108#endif /* !defined(BOOTLOADER) */
109
110
111/* TODO:
112 a) this is not the place for this function
113 b) it currently ignores the supplied frequency and uses default values
114 c) if the PLL being set drives any PCKs, an appropriate new clock divider
115 will have to be re-calculated for those PCKs (the OF maintains a list of
116 PCK frequencies for this purpose).
117*/
118void set_pll_frequency(unsigned int pll_number, unsigned int frequency)
119{
120 int i = 0;
121
122 if (pll_number > 1) return;
123
124 /* The frequency parameter is currently ignored and temporary values are
125 used (PLL0=192Mhz, PLL1=216Mhz). The D2 firmware uses a lookup table
126 to derive the values of PLLxCFG from a the supplied frequency.
127 Presumably we will need to do something similar. */
128 if (pll_number == 0)
129 {
130 /* drive CPU off Xin while switching */
131 CLKCTRL = 0xB00FF014; /* Xin enable, Fsys driven by Xin, Fbus = Fsys,
132 MCPU=Fbus, SCPU=Fbus */
133
134 asm volatile (
135 "nop \n\t"
136 "nop \n\t"
137 );
138
139 PLL0CFG |= (1<<31); /* power down */
140 CLKDIVC = CLKDIVC &~ (0xff << 24); /* disable PLL0 divider */
141 PLL0CFG = 0x80019808; /* set for 192Mhz (with power down) */
142 PLL0CFG = PLL0CFG &~ (1<<31); /* power up */
143
144 CLKCTRL = (CLKCTRL & ~0x1f) | 0x800FF010;
145
146 asm volatile (
147 "nop \n\t"
148 "nop \n\t"
149 );
150 }
151 else if (pll_number == 1)
152 {
153 PLL1CFG |= (1<<31); /* power down */
154 CLKDIVC = CLKDIVC &~ (0xff << 16); /* disable PLL1 divider */
155 PLL1CFG = 0x80002503; /* set for 216Mhz (with power down)*/
156 PLL1CFG = PLL1CFG &~ (1<<31); /* power up */
157 }
158
159 i = 0x1000;
160 while (--i) {};
161}
162
163
164/* TODO - these should live in the target-specific directories and
165 once we understand what all the GPIO pins do, move the init to the
166 specific driver for that hardware. For now, we just perform the
167 same GPIO init as the original firmware - this makes it easier to
168 investigate what the GPIO pins do.
169*/
170
171#ifdef COWON_D2
172static void gpio_init(void)
173{
174 /* Do what the original firmware does */
175 GPIOA = 0x07000C83;
176 GPIOA_DIR = 0x0F010CE3;
177 GPIOB = 0;
178 GPIOB_DIR = 0x00080000;
179 GPIOC = 0x39000000;
180 GPIOC_DIR = 0xB9000000;
181 GPIOD = 0;
182 GPIOD_DIR = 0;
183 GPIOD = 0;
184 GPIOD_DIR = 0x00480000;
185
186 PORTCFG0 = 0x00034540;
187 PORTCFG1 = 0x0566A000;
188 PORTCFG2 = 0x000004C0;
189 PORTCFG3 = 0x0AA40455;
190}
191#endif
192
193
194/* Second function called in the original firmware's startup code - we just
195 set up the clocks in the same way as the original firmware for now. */
196#ifdef COWON_D2
197static void clock_init(void)
198{
199 int i;
200
201 CSCFG3 = (CSCFG3 &~ 0x3fff) | 0x841;
202 CLKCTRL = (CLKCTRL & ~0xff) | 0x14;
203
204 PCLK_RFREQ = 0x1401002d; /* RAM refresh source = Xin (4) / 0x2d = 266kHz */
205
206 MCFG |= 1;
207 SDCFG = (SDCFG &~ 0x7000) | 0x2000;
208
209 MCFG1 |= 1;
210 SDCFG1 = (SDCFG &~ 0x7000) | 0x2000;
211
212 PLL0CFG |= 0x80000000; /* power down */
213 PLL0CFG = 0x14010000; /* power up, source = Xin (4) undivided = 12Mhz */
214
215 i = 0x8000;
216 while (--i) {};
217
218 CLKCTRL = (CLKCTRL &~ 0x1f) | 0x800FF010; /* CPU and COP driven by PLL0 */
219
220 asm volatile (
221 "nop \n\t"
222 "nop \n\t"
223 );
224
225 /* configure PCK_TCT to 2Mhz (clock source 4 (Xin) divided by 6) */
226 PCLK_TCT = PCK_EN | (CKSEL_XIN<<24) | 5;
227}
228#endif
229
230
231#ifdef COWON_D2
232void system_init(void)
233{
234 MBCFG = 0x19;
235
236 if (TCC780_VER == 0)
237 ECFG0 = 0x309;
238 else
239 ECFG0 = 0x30d;
240
241 /* mask all interrupts */
242 MIRQ = -1;
243
244 gpio_init();
245 clock_init();
246
247 /* TODO: these almost certainly shouldn't be here */
248 set_pll_frequency(0, 192000000); /* drives CPU */
249 set_pll_frequency(1, 216000000); /* drives LCD PXCLK - divided by 2 */
250}
251#endif
252
253
254void system_reboot(void)
255{
256 #warning function not implemented
257}
258
259int system_memory_guard(int newmode)
260{
261 #warning function not implemented
262
263 (void)newmode;
264 return 0;
265}
266
267#ifdef HAVE_ADJUSTABLE_CPU_FREQ
268
269void set_cpu_frequency(long frequency)
270{
271 #warning function not implemented
272 (void)frequency;
273}
274
275#endif
diff --git a/firmware/target/arm/tcc780x/timer-target.h b/firmware/target/arm/tcc780x/timer-target.h
new file mode 100644
index 0000000000..db25df7cd4
--- /dev/null
+++ b/firmware/target/arm/tcc780x/timer-target.h
@@ -0,0 +1,39 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Copyright (C) 2007 by Karl Kurbjun
11*
12* All files in this archive are subject to the GNU General Public License.
13* See the file COPYING in the source tree root for full license agreement.
14*
15* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16* KIND, either express or implied.
17*
18****************************************************************************/
19#ifndef TIMER_TARGET_H
20#define TIMER_TARGET_H
21
22/* timers are based on XIN (12Mhz) */
23#define TIMER_FREQ (12000000)
24
25bool __timer_set(long cycles, bool set);
26bool __timer_register(void);
27void __timer_unregister(void);
28
29#define __TIMER_SET(cycles, set) \
30 __timer_set(cycles, set)
31
32#define __TIMER_REGISTER(reg_prio, unregister_callback, cycles, \
33 int_prio, timer_callback) \
34 __timer_register()
35
36#define __TIMER_UNREGISTER(...) \
37 __timer_unregister()
38
39#endif /* TIMER_TARGET_H */
diff --git a/firmware/target/arm/tcc780x/timer-tcc780x.c b/firmware/target/arm/tcc780x/timer-tcc780x.c
new file mode 100644
index 0000000000..c724c4b3a8
--- /dev/null
+++ b/firmware/target/arm/tcc780x/timer-tcc780x.c
@@ -0,0 +1,82 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Copyright (C) 2008 by Rob Purchase
11*
12* All files in this archive are subject to the GNU General Public License.
13* See the file COPYING in the source tree root for full license agreement.
14*
15* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16* KIND, either express or implied.
17*
18****************************************************************************/
19
20#include "config.h"
21#include "cpu.h"
22#include "system.h"
23#include "timer.h"
24#include "logf.h"
25
26/* Use the TC32 counter [sourced by Xin:12Mhz] for this timer, as it's the
27 only one that allows a 32-bit counter (Timer0-5 are 16/20 bit only). */
28
29bool __timer_set(long cycles, bool start)
30{
31 #warning function not implemented
32
33 (void)cycles;
34 (void)start;
35 return false;
36}
37
38bool __timer_register(void)
39{
40 #warning function not implemented
41
42 return false;
43}
44
45void __timer_unregister(void)
46{
47 #warning function not implemented
48}
49
50
51/* Timer interrupt processing - all timers (inc. tick) have a single IRQ */
52
53extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
54
55void TIMER(void)
56{
57 if (TIREQ & TF0) /* Timer0 reached ref value */
58 {
59 int i;
60
61 /* Run through the list of tick tasks */
62 for(i = 0; i < MAX_NUM_TICK_TASKS; i++)
63 {
64 if(tick_funcs[i])
65 {
66 tick_funcs[i]();
67 }
68 }
69
70 current_tick++;
71
72 /* reset Timer 0 IRQ & ref flags */
73 TIREQ |= TI0 | TF0;
74 }
75
76 if (TC32IRQ & (1<<3)) /* end of TC32 prescale */
77 {
78 /* dispatch timer */
79 }
80
81 CREQ |= TIMER_IRQ_MASK; /* clear IRQ */
82}
diff --git a/firmware/target/arm/wmcodec-telechips.c b/firmware/target/arm/wmcodec-telechips.c
new file mode 100644
index 0000000000..851158ca8d
--- /dev/null
+++ b/firmware/target/arm/wmcodec-telechips.c
@@ -0,0 +1,51 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * TCC specific code for Wolfson audio codecs
11 *
12 * Based on code from the ipodlinux project - http://ipodlinux.org/
13 * Adapted for Rockbox in December 2005
14 *
15 * Original file: linux/arch/armnommu/mach-ipod/audio.c
16 *
17 * Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org)
18 *
19 * All files in this archive are subject to the GNU General Public License.
20 * See the file COPYING in the source tree root for full license agreement.
21 *
22 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
23 * KIND, either express or implied.
24 *
25 ****************************************************************************/
26
27#include "system.h"
28#include "audiohw.h"
29#include "i2c.h"
30
31#if defined(COWON_D2)
32/* The D2's audio codec uses an I2C address of 0x34 */
33#define I2C_AUDIO_ADDRESS 0x34
34#else
35#error wmcodec not implemented for this target!
36#endif
37
38
39void audiohw_init(void)
40{
41 #warning function not implemented
42}
43
44void wmcodec_write(int reg, int data)
45{
46 unsigned char d[2];
47 d[0] = (reg << 1) | ((data & 0x100) >> 8);
48 d[1] = data;
49
50 i2c_write(I2C_AUDIO_ADDRESS, d, 2);
51}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 14:30:48 +0000