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iPod Nano2G: clear external interrupts at startup

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Fixes some ROLO issues after commit 9a4cd2e. Note that other ROLO
issues still persist.

Change-Id: I8e0c60519902013694c5a473dcb9fc62a6ff079c
This commit is contained in:
Cástor Muñoz 2016-06-10 00:34:22 +02:00
parent 9a6700d52e
commit 489044d1ca
1 changed files with 17 additions and 5 deletions
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22
firmware/target/arm/s5l8700/crt0.S
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@ -82,12 +82,24 @@ newstart2:
mov r0, #0
mov r1, #0x39c00000
str r0, [r1,#0x08] // mask all interrupts
str r0, [r1,#0x20] // mask all external interrupts
str r0, [r1,#0x08] /* mask all interrupts */
#if CONFIG_CPU==S5L8701
str r0, [r1,#0x38] /* mask all external interrupts */
str r0, [r1,#0x3c]
str r0, [r1,#0x40]
str r0, [r1,#0x44]
mvn r0, #0
str r0, [r1,#0x1c] // clear pending external interrupts
str r0, [r1] // irq priority
str r0, [r1,#0x10] // clear pending interrupts
str r0, [r1,#0x28] /* clear pending external interrupts */
str r0, [r1,#0x2c]
str r0, [r1,#0x30]
str r0, [r1,#0x34]
#else
str r0, [r1,#0x20] /* mask all external interrupts */
mvn r0, #0
str r0, [r1,#0x1c] /* clear pending external interrupts */
#endif
str r0, [r1] /* irq priority */
str r0, [r1,#0x10] /* clear pending interrupts */
// ldr r1, =0x3cf00000
// ldr r0, [r1]