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mkamsboot: Use audio master irq_enrd0 usb_status bit instead of gpio on C200V2
FlySpray: FS#11085 Author: Tobias Diedrich git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25088 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré
parent
8d720f4d4e
commit
1f251ea30d
3 changed files with 91 additions and 16 deletions
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@ -50,22 +50,28 @@ unsigned char dualboot_e200v2[236] = {
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0x01, 0x00, 0x83, 0xe2, 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1, 0x3c, 0x00, 0x00, 0x00,
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0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0d, 0xc8
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};
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unsigned char dualboot_c200v2[236] = {
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0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
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unsigned char dualboot_c200v2[336] = {
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0x38, 0xf1, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
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0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
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0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
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0x01, 0x40, 0x43, 0xe4, 0x00, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x1a, 0x2c, 0x30, 0x0f, 0xe5,
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0x78, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0x90, 0xe5, 0x01, 0x18, 0x81, 0xe3, 0x00, 0x10, 0x80, 0xe5,
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0x6c, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0xa0, 0xe3, 0x00, 0x14, 0x80, 0xe5, 0x08, 0x10, 0x90, 0xe5,
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0x00, 0x00, 0x51, 0xe3, 0x08, 0x00, 0x00, 0x1a, 0x58, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0xa0, 0xe3,
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0x00, 0x14, 0x80, 0xe5, 0x00, 0x11, 0x90, 0xe5, 0x00, 0x00, 0x51, 0xe3, 0x02, 0x00, 0x00, 0x0a,
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0x78, 0x00, 0x1f, 0xe5, 0x78, 0x10, 0x1f, 0xe5, 0x01, 0x00, 0x00, 0xea, 0x8c, 0x00, 0x1f, 0xe5,
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0x8c, 0x10, 0x1f, 0xe5, 0x84, 0x30, 0x1f, 0xe5, 0x02, 0x50, 0x83, 0xe2, 0x01, 0x40, 0x43, 0xe0,
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0x01, 0x20, 0x50, 0xe4, 0x01, 0x20, 0x43, 0xe4, 0x04, 0x00, 0x53, 0xe1, 0xfb, 0xff, 0xff, 0x1a,
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0x01, 0x00, 0x83, 0xe2, 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1, 0x3c, 0x00, 0x00, 0x00,
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0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0d, 0xc8
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0xdc, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0x90, 0xe5, 0x01, 0x18, 0x81, 0xe3, 0x00, 0x10, 0x80, 0xe5,
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0xcc, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0x90, 0xe5, 0x02, 0x18, 0x81, 0xe3, 0x7f, 0x10, 0xc1, 0xe3,
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0x00, 0x10, 0x80, 0xe5, 0xbc, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0xa0, 0xe3, 0x24, 0x10, 0x80, 0xe5,
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0x3c, 0x10, 0xa0, 0xe3, 0x1c, 0x10, 0x80, 0xe5, 0x00, 0x10, 0xa0, 0xe3, 0x20, 0x10, 0x80, 0xe5,
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0x8c, 0x10, 0xa0, 0xe3, 0x04, 0x10, 0x80, 0xe5, 0x51, 0x20, 0xa0, 0xe3, 0x0c, 0x20, 0x80, 0xe5,
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0x30, 0x10, 0x90, 0xe5, 0x01, 0x00, 0x11, 0xe3, 0xfc, 0xff, 0xff, 0x1a, 0x25, 0x10, 0xa0, 0xe3,
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0x44, 0x10, 0x80, 0xe5, 0x02, 0x20, 0x82, 0xe3, 0x0c, 0x20, 0x80, 0xe5, 0x01, 0x10, 0xa0, 0xe3,
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0x10, 0x10, 0x80, 0xe5, 0x10, 0x10, 0x90, 0xe5, 0x00, 0x00, 0x51, 0xe3, 0xfc, 0xff, 0xff, 0x1a,
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0x00, 0x10, 0x90, 0xe5, 0x08, 0x00, 0x11, 0xe3, 0x08, 0x00, 0x00, 0x1a, 0x58, 0x00, 0x9f, 0xe5,
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0x00, 0x10, 0xa0, 0xe3, 0x00, 0x14, 0x80, 0xe5, 0x00, 0x11, 0x90, 0xe5, 0x00, 0x00, 0x51, 0xe3,
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0x02, 0x00, 0x00, 0x0a, 0xdc, 0x00, 0x1f, 0xe5, 0xdc, 0x10, 0x1f, 0xe5, 0x01, 0x00, 0x00, 0xea,
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0xf0, 0x00, 0x1f, 0xe5, 0xf0, 0x10, 0x1f, 0xe5, 0xe8, 0x30, 0x1f, 0xe5, 0x02, 0x50, 0x83, 0xe2,
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0x01, 0x40, 0x43, 0xe0, 0x01, 0x20, 0x50, 0xe4, 0x01, 0x20, 0x43, 0xe4, 0x04, 0x00, 0x53, 0xe1,
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0xfb, 0xff, 0xff, 0x1a, 0x01, 0x00, 0x83, 0xe2, 0x00, 0x20, 0xa0, 0xe3, 0x15, 0xff, 0x2f, 0xe1,
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0x3c, 0x00, 0x00, 0x00, 0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x07, 0xc8, 0x00, 0x00, 0x0d, 0xc8
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};
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unsigned char dualboot_m200v4[212] = {
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0xc0, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
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@ -3,7 +3,7 @@
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extern unsigned char nrv2e_d8[168];
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extern unsigned char dualboot_clip[256];
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extern unsigned char dualboot_e200v2[236];
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extern unsigned char dualboot_c200v2[236];
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extern unsigned char dualboot_c200v2[336];
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extern unsigned char dualboot_m200v4[212];
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extern unsigned char dualboot_fuze[236];
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extern unsigned char dualboot_clipv2[280];
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@ -27,7 +27,26 @@
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.set GPIOC, 0xC80D0000
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.set GPIOD, 0xC80E0000
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.set CGU_PERI, 0xC80F0014
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.set I2C_BASE, 0xC8070000
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.set I2C_DATA, 0x00
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.set I2C_SLAD0, 0x04
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.set I2C_CNTRL, 0x0c
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.set I2C_DACNT, 0x10
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.set I2C_CPSR0, 0x1c
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.set I2C_CPSR1, 0x20
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.set I2C_IMR, 0x24
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.set I2C_SR, 0x30
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.set I2C_SADDR, 0x44
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.set AS3514_I2C_ADDR, 0x46
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.set AS3514_IRQ_ENRD0, 0x25
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.set PCLK, 24000000
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.set I2C_CLK, 400000
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.set I2C_PRESCALER, ((PCLK + I2C_CLK -1) / I2C_CLK)
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.set I2C_PRESCALER_LOW, (I2C_PRESCALER & 0xff)
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.set I2C_PRESCALER_HIGH, (I2C_PRESCALER >> 8)
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#if I2C_PRESCALER_HIGH > 3
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#error i2c prescaler too big!
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#endif
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/* Vectors */
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@ -80,9 +99,7 @@ uclcopy:
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/* TODO : M200V4 ? */
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#if defined(SANSA_C200V2)
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#define USB_PIN 1 /* FIXME: not correct on some c200v2s */
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#elif defined(SANSA_CLIP) || defined(SANSA_CLIPV2)
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#if defined(SANSA_CLIP) || defined(SANSA_CLIPV2)
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#define USB_PIN 6
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#elif defined(SANSA_FUZE) || defined(SANSA_E200V2) || defined(SANSA_FUZEV2)
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#define USB_PIN 3
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@ -96,6 +113,58 @@ uclcopy:
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cmp r1, #0
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bne boot_of
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#endif
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#if defined(SANSA_C200V2)
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/* Instead of checking the GPIO, check the audio master IRQ_ENRD0
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* USB_STATUS bit on C200V2 */
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ldr r0, =CGU_PERI
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ldr r1, [r0]
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/* enable i2c audio master clock */
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orr r1, r1, #(1<<17)
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/* make sure 24MHz clk_main is selected */
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bic r1, r1, #0x7f
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str r1, [r0]
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ldr r0, =I2C_BASE
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/* disable i2c interrupts */
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mov r1, #0
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str r1, [r0, #I2C_IMR]
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/* setup prescaler */
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mov r1, #I2C_PRESCALER_LOW
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str r1, [r0, #I2C_CPSR0]
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mov r1, #I2C_PRESCALER_HIGH
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str r1, [r0, #I2C_CPSR1]
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/* setup i2c slave address */
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mov r1, #(AS3514_I2C_ADDR << 1)
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str r1, [r0, #I2C_SLAD0]
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mov r2, #0x51
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str r2, [r0, #I2C_CNTRL]
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/* wait for not busy */
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1:
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ldr r1, [r0, #I2C_SR]
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tst r1, #1
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bne 1b
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/* start read of irq_enrd0 */
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mov r1, #AS3514_IRQ_ENRD0
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str r1, [r0, #I2C_SADDR]
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orr r2, r2, #(1 << 1)
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str r2, [r0, #I2C_CNTRL]
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mov r1, #1
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str r1, [r0, #I2C_DACNT]
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/* wait for transfer to finish */
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1:
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ldr r1, [r0, #I2C_DACNT]
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cmp r1, #0
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bne 1b
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/* load result and test USB_STATUS bit */
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ldr r1, [r0, #I2C_DATA]
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tst r1, #(1 << 3)
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bne boot_of
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#endif
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/* Here are model specific tests, for dual boot without a computer */
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/* All models use left button */
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