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Various Nano2g changes - enable the rest of crt0.S (including clock setup) and make the nano2g bootloader do something useful (displaying gpio ports). Also add checks for the fifo-full condition in the LCD driver - required after enabling all the crt0.S inits

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21948 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2009-07-18 11:31:19 +00:00
parent d58e358477
commit 386503502b
5 changed files with 59 additions and 4 deletions
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6
firmware/target/arm/s5l8700/crt0.S
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@ -82,7 +82,6 @@ newstart2:
// orr r0, r0, r2
// str r0, [r1] // switch backlight on
#if CONFIG_CPU==S5L8700
ldr r1, =0x3c500000 // CLKCON
ldr r0, =0x00800080
str r0, [r1]
@ -90,7 +89,11 @@ newstart2:
mov r0, #0
str r0, [r1]
ldr r1, =0x3c500004 // PLL0PMS
#ifdef IPOD_NANO2G
ldr r0, =0x21200
#else
ldr r0, =0x1ad200
#endif
str r0, [r1]
ldr r1, =0x3c500014 // PLL0LCNT
ldr r0, =8100
@ -226,6 +229,7 @@ newstart2:
mcr 15, 0, r0, c1, c0, 0 // enable protection unit
#if CONFIG_CPU==S5L8700
/* Copy interrupt vectors to iram */
ldr r2, =_intvectstart
ldr r3, =_intvectend