From 2ccceacc04b009d923afb7c26189ba2f8a2a5d46 Mon Sep 17 00:00:00 2001 From: Ed Swarthout Date: Thu, 7 Dec 2006 10:34:14 -0600 Subject: [PATCH] Add support for 8641 Rev 2 silicon. Without this patch, I am unable to get to the prompt on rev 2 silicon. Only set ddrioovcr for rev1. Signed-off-by: Ed Swarthout Signed-off-by: Jon Loeliger --- cpu/mpc86xx/spd_sdram.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/cpu/mpc86xx/spd_sdram.c b/cpu/mpc86xx/spd_sdram.c index b18e822..ac9ff81 100644 --- a/cpu/mpc86xx/spd_sdram.c +++ b/cpu/mpc86xx/spd_sdram.c @@ -284,9 +284,9 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, } /* - * Adjust DDR II IO voltage biasing. It just makes it work. + * Adjust DDR II IO voltage biasing. Rev1 only */ - if (spd.mem_type == SPD_MEMTYPE_DDR2) { + if (((get_svr() & 0xf0) == 0x10) && (spd.mem_type == SPD_MEMTYPE_DDR2)) { gur->ddrioovcr = (0 | 0x80000000 /* Enable */ | 0x10000000 /* VSEL to 1.8V */