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最新のTwlSDKに合わせた

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@148 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
yutaka 2007-11-12 07:36:34 +00:00
parent 62ddf893e6
commit 21a6aae60b
1 changed files with 9 additions and 6 deletions
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15
build/libraries/init/ARM7/crt0_firm.c
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@ -432,7 +432,9 @@ _start_AutoloadDoneCallback(void* argv[])
Returns: None.
*---------------------------------------------------------------------------*/
#define OSi_IMAGE_DIFFERENCE 0x400000
#define OSi_IMAGE_DIFFERENCE2 0xb00000
#define OSi_IMAGE_DIFFERENCE2 0xb000000
#define OSi_DETECT_NITRO_MASK (REG_SND_SMX_CNT_E_MASK | REG_SND_SMX_CNT_FSEL_MASK)
#define OSi_DETECT_NITRO_VAL (REG_SND_SMX_CNT_E_MASK)
static asm void detect_main_memory_size( void )
{
@ -453,11 +455,12 @@ static asm void detect_main_memory_size( void )
bne @1
//---- 4MB
// check SMX_CNT
ldr r2, =REG_SMX_CNT_ADDR
ldrh r1, [r2]
tst r1, #0
orrne r0, r0, #OS_CHIPTYPE_SMX_MASK
//---- check SMX_CNT
ldr r3, =REG_SMX_CNT_ADDR
ldrh r1, [r3]
and r1, r1, #OSi_DETECT_NITRO_MASK
cmp r1, #OSi_DETECT_NITRO_VAL
orreq r0, r0, #OS_CHIPTYPE_SMX_MASK
b @4
//---- 8MB or 16MB or 32MB