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qi-fix-compute-GTA03-pcb-rev-backwards.patch

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Hm the revision bit ordering is backwards... oh well

Signed-off-by: Christopher Hall <hsw@openmoko.com>
This commit is contained in:
Christopher Hall 2008-11-28 10:16:44 +00:00 committed by Andy Green
parent d80dd5b880
commit 31fe321be5
1 changed files with 13 additions and 4 deletions
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17
qiboot/src/cpu/s3c6410/gta03.c
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@ -808,11 +808,20 @@ void port_init_gta03(void)
int gta03_get_pcb_revision(void) int gta03_get_pcb_revision(void)
{ {
u32 v = __REG(GPIDAT); u32 v = __REG(GPIDAT);
/*
* PCB rev is 3 bit code (info from Dkay)
* (b2, b1, b0) = (0,0,1) => pcb rev A1
* maximum rev = A7
* bit0 = GPI8
* bit1 = GPI1
* bit2 = GPI0
*/
return (v & (1 << 8)) >> (8 - 2) | return (
(v & (1 << 1)) >> 0 | ((v & (1 << 8)) ? 1 : 0) |
(v & (1 << 0)) >> 0 ((v & (1 << 1)) ? 2 : 0) |
; ((v & (1 << 0)) ? 4 : 0)
);
} }
const struct board_variant const * get_board_variant_gta03(void) const struct board_variant const * get_board_variant_gta03(void)