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Sansa Fuzev2: Add mkamsboot and dualboot support. The bootloader doesn't work, but pressing |<< or inserting USB to boot the OF does.

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It should be pretty safe to run test code on it now.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24924 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-02-26 13:55:17 +00:00
parent 92f0aa85fc
commit f6540e800d
6 changed files with 44 additions and 4 deletions
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10
rbutil/mkamsboot/dualboot/dualboot.S
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@ -83,7 +83,7 @@ uclcopy:
#define USB_PIN 1 /* FIXME: not correct on some c200v2s */
#elif defined(SANSA_CLIP) || defined(SANSA_CLIPV2)
#define USB_PIN 6
#elif defined(SANSA_FUZE) || defined(SANSA_E200V2)
#elif defined(SANSA_FUZE) || defined(SANSA_E200V2) || defined(SANSA_FUZEV2)
#define USB_PIN 3
#endif
@ -143,14 +143,20 @@ uclcopy:
cmp r1, #0
beq boot_of
#elif defined(SANSA_E200V2) || defined(SANSA_FUZE)
#elif defined(SANSA_E200V2) || defined(SANSA_FUZE) || defined(SANSA_FUZEV2)
ldr r0, =GPIOC
mov r1, #0
str r1, [r0, #0x400]
ldr r1, [r0, #0x20] /* read pin C3 */
cmp r1, #0 /* C3 = #0 means button pressed */
#ifdef SANSA_FUZEV2
/* the logic is reversed on the fuzev2 */
bne boot_of
#else
beq boot_of
#endif /* SANSA_FUZEV2 */
#elif defined(SANSA_CLIPPLUS)
@ read pins
ldr r0, =GPIOC