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| author | Andy Fleming <afleming@freescale.com> | 2007-02-23 16:28:46 -0600 |
|---|---|---|
| committer | Andrew Fleming-AFLEMING <afleming@freescale.com> | 2007-04-23 19:58:28 -0500 |
| commit | 1f9a318cea14272edd10d63739e2d326c90f430e (patch) | |
| tree | 7fe03e2eb50c56283ef27940308b3e7a170c76aa /cpu/mpc85xx/spd_sdram.c | |
| parent | 9343dbf85bc03033f2102d8e8543567c2c1ad2d2 (diff) | |
| download | u-boot-imx-1f9a318cea14272edd10d63739e2d326c90f430e.zip u-boot-imx-1f9a318cea14272edd10d63739e2d326c90f430e.tar.gz u-boot-imx-1f9a318cea14272edd10d63739e2d326c90f430e.tar.bz2 | |
Only set ddrioovcr for 8548 rev1.
Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'cpu/mpc85xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc85xx/spd_sdram.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c index 4b3c4eb..16a697d 100644 --- a/cpu/mpc85xx/spd_sdram.c +++ b/cpu/mpc85xx/spd_sdram.c @@ -263,13 +263,14 @@ spd_sdram(void) } /* - * Adjust DDR II IO voltage biasing. It just makes it work. + * Adjust DDR II IO voltage biasing. + * Only 8548 rev 1 needs the fix */ - if (spd.mem_type == SPD_MEMTYPE_DDR2) { - gur->ddrioovcr = (0 - | 0x80000000 /* Enable */ - | 0x10000000 /* VSEL to 1.8V */ - ); + if ((SVR_VER(get_svr()) == SVR_8548_E) && + (SVR_MJREV(get_svr()) == 1) && + (spd.mem_type == SPD_MEMTYPE_DDR2)) { + gur->ddrioovcr = (0x80000000 /* Enable */ + | 0x10000000);/* VSEL to 1.8V */ } /* |