qi-hardware/xburst-tools
1
0
Fork 0
mirror of git://projects.qi-hardware.com/xburst-tools.git synced 2024-11-01 12:38:27 +02:00
Code

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
qiboot/src/cpu/s3c6410/gta03.c
View File

@ -808,11 +808,20 @@ void port_init_gta03(void)
int gta03_get_pcb_revision(void)
{
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) |
(v & (1 << 1)) >> 0 |
(v & (1 << 0)) >> 0
;
return (
((v & (1 << 8)) ? 1 : 0) |
((v & (1 << 1)) ? 2 : 0) |
((v & (1 << 0)) ? 4 : 0)
);
}
const struct board_variant const * get_board_variant_gta03(void)