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Set DRAM configuration for iPod nano 2G in crt0.s

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28793 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-12-11 09:42:42 +00:00
parent 41c9d43efc
commit 43e8fbbb4a
1 changed files with 5 additions and 1 deletions
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6
firmware/target/arm/s5l8700/crt0.S
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@ -131,7 +131,7 @@ start_loc:
mov r0, #0
str r0, [r1,#0x24] // PLLCON
#ifdef IPOD_NANO2G
ldr r0, =0x21200 // pdiv=2, mdiv=0x12 sdiv=0
ldr r0, =0x021200 // pdiv=2, mdiv=0x12 sdiv=0, 192 MHz
#else
ldr r0, =0x1ad200 // pdiv=0x1a, mdiv=0xd2 sdiv=0
#endif
@ -252,6 +252,10 @@ start_loc:
orr r0, r0, #0x1000
mcr 15, 0, r0, c1, c0, 0 // re-enable protection unit and caches
ldr r1, =0x38200000
ldr r0, =0x006A49A5 // default: settings from Apple FW (96 MHz HCLK)
str r0, [r1, #0x10] // MIUSDPARA
#else
ldr r1, =0x3c500000