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authorPaul Menzel <paulepanter@users.sourceforge.net>2013-05-05 12:09:16 +0200
committerMartin Roth <martin.roth@se-eng.com>2013-05-20 18:33:23 +0200
commitb2cddd4c12d99df55a1fd856cceea27372ce3f69 (patch)
treecacd182582651fed89b0ab83393c9b48b5be81bc /src/mainboard/asus
parent963bed546f316af15bf1e4d1819388b8998ef5ec (diff)
downloadcoreboot-b2cddd4c12d99df55a1fd856cceea27372ce3f69.tar.xz
ASUS F2A85-M: romstage.c: Set RAM voltage for non 1.5 Volt case
Currently the code in the if statement if (!byte) do_smbus_write_byte(0xb20, 0x15, 0x3, byte); only gets executed if `byte == 0x0`, that means only in the default case where RAM voltage is 1.5 Volts. But the RAM voltage should be changed when configured for the non-default case. So negate the predicate to alter the RAM voltage for the non-default cases. To prevent the build error OBJCOPY cbfs/fallback/coreboot_ram.elf coreboot-builds/asus_f2a85-m/generated/crt0.romstage.o: In function `cache_as_ram_main': /srv/jenkins/.jenkins/jobs/coreboot-gerrit/workspace/src/mainboard/asus/f2a85-m/romstage.c:106: undefined reference to `do_smbus_write_byte' collect2: error: ld returned 1 exit status make: *** [coreboot-builds/asus_f2a85-m/cbfs/fallback/romstage_null.debug] Error 1 add `southbridge/amd/agesa/hudson/smbus.c` providing the function `do_smbus_write_byte` to ROM stage in `Makefile.inc`. That can actually be used after the needed header files are included in a previous commit. Change-Id: I89542479c4cf6d412614bcf4586ea98e097328d6 Reported-by: David Hubbard <david.c.hubbard+coreboot@gmail.com> Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/3200 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/mainboard/asus')
-rw-r--r--src/mainboard/asus/f2a85-m/romstage.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mainboard/asus/f2a85-m/romstage.c b/src/mainboard/asus/f2a85-m/romstage.c
index b7bcf43d5e..5773eba047 100644
--- a/src/mainboard/asus/f2a85-m/romstage.c
+++ b/src/mainboard/asus/f2a85-m/romstage.c
@@ -101,7 +101,8 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
/* set DDR3 voltage */
byte = CONFIG_BOARD_ASUS_F2A85_M_DDR3_VOLT_VAL;
- if (!byte)
+ /* default is byte = 0x0, so no need to set it in this case */
+ if (byte)
do_smbus_write_byte(0xb20, 0x15, 0x3, byte);
}