diff options
author | Rafaël Carré <rafael.carre@gmail.com> | 2010-05-17 21:57:46 +0000 |
---|---|---|
committer | Rafaël Carré <rafael.carre@gmail.com> | 2010-05-17 21:57:46 +0000 |
commit | 66f183077d835b7d3bc2041fad89a65f04faacb9 (patch) | |
tree | ffec90e078b3710d23d5612d24c2839d7ec7b270 /rbutil/mkamsboot | |
parent | 60741f2b0deaabb12da74323e2fb7b6383f36bbb (diff) | |
download | rockbox-66f183077d835b7d3bc2041fad89a65f04faacb9.tar.gz rockbox-66f183077d835b7d3bc2041fad89a65f04faacb9.zip |
Clip+: boot to OF if USB is connected
To be sure that there is no mistake in this code, it is run *after*
the known to work HOME & LEFT buttons checks, unlike other Sansas
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26122 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'rbutil/mkamsboot')
-rw-r--r-- | rbutil/mkamsboot/README | 3 | ||||
-rw-r--r-- | rbutil/mkamsboot/dualboot.c | 30 | ||||
-rw-r--r-- | rbutil/mkamsboot/dualboot.h | 2 | ||||
-rw-r--r-- | rbutil/mkamsboot/dualboot/dualboot.S | 63 |
4 files changed, 85 insertions, 13 deletions
diff --git a/rbutil/mkamsboot/README b/rbutil/mkamsboot/README index fd81297e06..0504c64383 100644 --- a/rbutil/mkamsboot/README +++ b/rbutil/mkamsboot/README | |||
@@ -61,8 +61,7 @@ firmware and the new (rockbox) firmware. | |||
61 | 61 | ||
62 | The player will boot into the Original Firmware as well if it is powered up by | 62 | The player will boot into the Original Firmware as well if it is powered up by |
63 | inserting an usb cable. | 63 | inserting an usb cable. |
64 | ***Note : on the m200v4 and Clip+, powering up by usb will cause booting into | 64 | ***Note : on the m200v4 powering up by usb will cause booting into the new firmware. |
65 | the new firmware. | ||
66 | 65 | ||
67 | Hacking | 66 | Hacking |
68 | ------- | 67 | ------- |
diff --git a/rbutil/mkamsboot/dualboot.c b/rbutil/mkamsboot/dualboot.c index aab9a18c36..8f87ea8cb5 100644 --- a/rbutil/mkamsboot/dualboot.c +++ b/rbutil/mkamsboot/dualboot.c | |||
@@ -126,21 +126,31 @@ unsigned char dualboot_clipv2[280] = { | |||
126 | 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1, 0x3c, 0x00, 0x00, 0x00, 0x14, 0x00, 0x0f, 0xc8, | 126 | 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1, 0x3c, 0x00, 0x00, 0x00, 0x14, 0x00, 0x0f, 0xc8, |
127 | 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0e, 0xc8 | 127 | 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0e, 0xc8 |
128 | }; | 128 | }; |
129 | unsigned char dualboot_clipplus[216] = { | 129 | unsigned char dualboot_clipplus[372] = { |
130 | 0xc0, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, | 130 | 0x54, 0xf1, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, |
131 | 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, | 131 | 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, |
132 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | 132 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
133 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5, | 133 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5, |
134 | 0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4, | 134 | 0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4, |
135 | 0x01, 0x40, 0x43, 0xe4, 0x00, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x1a, 0x2c, 0x30, 0x0f, 0xe5, | 135 | 0x01, 0x40, 0x43, 0xe4, 0x00, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x1a, 0x2c, 0x30, 0x0f, 0xe5, |
136 | 0x64, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0x90, 0xe5, 0x01, 0x18, 0x81, 0xe3, 0x00, 0x10, 0x80, 0xe5, | 136 | 0xf8, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0x90, 0xe5, 0x01, 0x18, 0x81, 0xe3, 0x00, 0x10, 0x80, 0xe5, |
137 | 0x58, 0x00, 0x9f, 0xe5, 0x20, 0x10, 0x90, 0xe5, 0x54, 0x00, 0x9f, 0xe5, 0x08, 0x20, 0x90, 0xe5, | 137 | 0xec, 0x00, 0x9f, 0xe5, 0x20, 0x10, 0x90, 0xe5, 0xe8, 0x00, 0x9f, 0xe5, 0x08, 0x20, 0x90, 0xe5, |
138 | 0x01, 0x20, 0x82, 0xe1, 0x00, 0x00, 0x52, 0xe3, 0x02, 0x00, 0x00, 0x1a, 0x64, 0x00, 0x1f, 0xe5, | 138 | 0x01, 0x20, 0x82, 0xe1, 0x00, 0x00, 0x52, 0xe3, 0x27, 0x00, 0x00, 0x1a, 0xd8, 0x00, 0x9f, 0xe5, |
139 | 0x64, 0x10, 0x1f, 0xe5, 0x01, 0x00, 0x00, 0xea, 0x78, 0x00, 0x1f, 0xe5, 0x78, 0x10, 0x1f, 0xe5, | 139 | 0x00, 0x10, 0xa0, 0xe3, 0x00, 0x10, 0x80, 0xe5, 0xc0, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0x90, 0xe5, |
140 | 0x70, 0x30, 0x1f, 0xe5, 0x02, 0x50, 0x83, 0xe2, 0x01, 0x40, 0x43, 0xe0, 0x01, 0x20, 0x50, 0xe4, | 140 | 0x02, 0x18, 0x81, 0xe3, 0x7f, 0x10, 0xc1, 0xe3, 0x00, 0x10, 0x80, 0xe5, 0xbc, 0x00, 0x9f, 0xe5, |
141 | 0x01, 0x20, 0x43, 0xe4, 0x04, 0x00, 0x53, 0xe1, 0xfb, 0xff, 0xff, 0x1a, 0x01, 0x00, 0x83, 0xe2, | 141 | 0x00, 0x10, 0xa0, 0xe3, 0x24, 0x10, 0x80, 0xe5, 0x3c, 0x10, 0xa0, 0xe3, 0x1c, 0x10, 0x80, 0xe5, |
142 | 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1, 0x3c, 0x00, 0x00, 0x00, 0x14, 0x00, 0x0f, 0xc8, | 142 | 0x00, 0x10, 0xa0, 0xe3, 0x20, 0x10, 0x80, 0xe5, 0x8c, 0x10, 0xa0, 0xe3, 0x04, 0x10, 0x80, 0xe5, |
143 | 0x00, 0x00, 0x0d, 0xc8, 0x00, 0x00, 0x0b, 0xc8 | 143 | 0x51, 0x20, 0xa0, 0xe3, 0x0c, 0x20, 0x80, 0xe5, 0x30, 0x10, 0x90, 0xe5, 0x01, 0x00, 0x11, 0xe3, |
144 | 0xfc, 0xff, 0xff, 0x1a, 0x02, 0x17, 0xa0, 0xe3, 0x01, 0x10, 0x51, 0xe2, 0xfd, 0xff, 0xff, 0x1a, | ||
145 | 0x25, 0x10, 0xa0, 0xe3, 0x44, 0x10, 0x80, 0xe5, 0x02, 0x20, 0x82, 0xe3, 0x0c, 0x20, 0x80, 0xe5, | ||
146 | 0x01, 0x10, 0xa0, 0xe3, 0x10, 0x10, 0x80, 0xe5, 0x10, 0x10, 0x90, 0xe5, 0x00, 0x00, 0x51, 0xe3, | ||
147 | 0xfc, 0xff, 0xff, 0x1a, 0x00, 0x10, 0x90, 0xe5, 0x08, 0x00, 0x11, 0xe3, 0x02, 0x00, 0x00, 0x1a, | ||
148 | 0xf8, 0x00, 0x1f, 0xe5, 0xf8, 0x10, 0x1f, 0xe5, 0x01, 0x00, 0x00, 0xea, 0x0c, 0x01, 0x1f, 0xe5, | ||
149 | 0x0c, 0x11, 0x1f, 0xe5, 0x04, 0x31, 0x1f, 0xe5, 0x02, 0x50, 0x83, 0xe2, 0x01, 0x40, 0x43, 0xe0, | ||
150 | 0x01, 0x20, 0x50, 0xe4, 0x01, 0x20, 0x43, 0xe4, 0x04, 0x00, 0x53, 0xe1, 0xfb, 0xff, 0xff, 0x1a, | ||
151 | 0x01, 0x00, 0x83, 0xe2, 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1, 0x3c, 0x00, 0x00, 0x00, | ||
152 | 0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0d, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x10, 0x00, 0x0f, 0xc8, | ||
153 | 0x00, 0x00, 0x07, 0xc8 | ||
144 | }; | 154 | }; |
145 | unsigned char dualboot_fuzev2[236] = { | 155 | unsigned char dualboot_fuzev2[236] = { |
146 | 0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, | 156 | 0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, |
diff --git a/rbutil/mkamsboot/dualboot.h b/rbutil/mkamsboot/dualboot.h index 57306def10..cada57559f 100644 --- a/rbutil/mkamsboot/dualboot.h +++ b/rbutil/mkamsboot/dualboot.h | |||
@@ -7,5 +7,5 @@ extern unsigned char dualboot_c200v2[336]; | |||
7 | extern unsigned char dualboot_m200v4[212]; | 7 | extern unsigned char dualboot_m200v4[212]; |
8 | extern unsigned char dualboot_fuze[236]; | 8 | extern unsigned char dualboot_fuze[236]; |
9 | extern unsigned char dualboot_clipv2[280]; | 9 | extern unsigned char dualboot_clipv2[280]; |
10 | extern unsigned char dualboot_clipplus[216]; | 10 | extern unsigned char dualboot_clipplus[372]; |
11 | extern unsigned char dualboot_fuzev2[236]; | 11 | extern unsigned char dualboot_fuzev2[236]; |
diff --git a/rbutil/mkamsboot/dualboot/dualboot.S b/rbutil/mkamsboot/dualboot/dualboot.S index 8bb2059d78..309aa67742 100644 --- a/rbutil/mkamsboot/dualboot/dualboot.S +++ b/rbutil/mkamsboot/dualboot/dualboot.S | |||
@@ -26,6 +26,7 @@ | |||
26 | .set GPIOB, 0xC80C0000 | 26 | .set GPIOB, 0xC80C0000 |
27 | .set GPIOC, 0xC80D0000 | 27 | .set GPIOC, 0xC80D0000 |
28 | .set GPIOD, 0xC80E0000 | 28 | .set GPIOD, 0xC80E0000 |
29 | .set CGU_PROC, 0xC80F0010 | ||
29 | .set CGU_PERI, 0xC80F0014 | 30 | .set CGU_PERI, 0xC80F0014 |
30 | .set I2C_BASE, 0xC8070000 | 31 | .set I2C_BASE, 0xC8070000 |
31 | .set I2C_DATA, 0x00 | 32 | .set I2C_DATA, 0x00 |
@@ -239,6 +240,68 @@ uclcopy: | |||
239 | 240 | ||
240 | cmp r2, #0 @ test input from pins | 241 | cmp r2, #0 @ test input from pins |
241 | bne boot_of @ branch directly to OF if either pin high | 242 | bne boot_of @ branch directly to OF if either pin high |
243 | |||
244 | |||
245 | @ check USB connection | ||
246 | |||
247 | ldr r0, =CGU_PROC | ||
248 | mov r1, #0 | ||
249 | str r1, [r0] @ fclk = 24MHz | ||
250 | |||
251 | ldr r0, =CGU_PERI | ||
252 | ldr r1, [r0] | ||
253 | /* enable i2c audio master clock */ | ||
254 | orr r1, r1, #(1<<17) | ||
255 | /* pclk = fclk = 24MHz */ | ||
256 | bic r1, r1, #0x7f | ||
257 | str r1, [r0] | ||
258 | |||
259 | ldr r0, =I2C_BASE | ||
260 | /* disable i2c interrupts */ | ||
261 | mov r1, #0 | ||
262 | str r1, [r0, #I2C_IMR] | ||
263 | /* setup prescaler */ | ||
264 | mov r1, #I2C_PRESCALER_LOW | ||
265 | str r1, [r0, #I2C_CPSR0] | ||
266 | mov r1, #I2C_PRESCALER_HIGH | ||
267 | str r1, [r0, #I2C_CPSR1] | ||
268 | /* setup i2c slave address */ | ||
269 | mov r1, #(AS3514_I2C_ADDR << 1) | ||
270 | str r1, [r0, #I2C_SLAD0] | ||
271 | mov r2, #0x51 | ||
272 | str r2, [r0, #I2C_CNTRL] | ||
273 | |||
274 | /* wait for not busy */ | ||
275 | 1: | ||
276 | ldr r1, [r0, #I2C_SR] | ||
277 | tst r1, #1 | ||
278 | bne 1b | ||
279 | |||
280 | /* wait a bit (~100ms) else detection fails */ | ||
281 | mov r1, #0x80000 | ||
282 | 1: subs r1, r1, #1 | ||
283 | bne 1b | ||
284 | |||
285 | /* start read of irq_enrd0 */ | ||
286 | mov r1, #AS3514_IRQ_ENRD0 | ||
287 | str r1, [r0, #I2C_SADDR] | ||
288 | orr r2, r2, #(1 << 1) | ||
289 | str r2, [r0, #I2C_CNTRL] | ||
290 | mov r1, #1 | ||
291 | str r1, [r0, #I2C_DACNT] | ||
292 | |||
293 | /* wait for transfer to finish */ | ||
294 | 1: | ||
295 | ldr r1, [r0, #I2C_DACNT] | ||
296 | cmp r1, #0 | ||
297 | bne 1b | ||
298 | |||
299 | /* load result and test USB_STATUS bit */ | ||
300 | ldr r1, [r0, #I2C_DATA] | ||
301 | tst r1, #(1 << 3) | ||
302 | bne boot_of | ||
303 | |||
304 | |||
242 | #elif defined(SANSA_C200V2) | 305 | #elif defined(SANSA_C200V2) |
243 | /* check for RIGHT on C6, should changed to LEFT as soon as it | 306 | /* check for RIGHT on C6, should changed to LEFT as soon as it |
244 | * known in which pin that is in order for consistency */ | 307 | * known in which pin that is in order for consistency */ |