diff options
| author | Carolyn Smith <carolyn.smith@tektronix.com> | 2009-02-12 06:13:44 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2009-02-12 06:15:48 +0100 |
| commit | 7369f0e384e2a831be13a7773a58242c9173fa9c (patch) | |
| tree | c15c687c28c50213187f4a6e8f4edcf970716119 /cpu | |
| parent | cef0efaf2fa55d1f25066cfb02bd984c27f9ca31 (diff) | |
| download | blackbird-obmc-uboot-7369f0e384e2a831be13a7773a58242c9173fa9c.tar.gz blackbird-obmc-uboot-7369f0e384e2a831be13a7773a58242c9173fa9c.zip | |
ppc4xx: Fix initialization of the SDRAM_CODT register
This fixes the initialization of the SDRAM_CODT register in the ppc4xx DDR2
initialization code. It also removes use of the SDRAM_CODT_FEEDBACK_RCV_SINGLE_END
and SDRAM_CODT_FEEDBACK_DRV_SINGLE_END #define's since they are reserved bits.
Signed-off-by: Carolyn Smith <carolyn.smith@tektronix.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/ppc4xx/44x_spd_ddr2.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c index 1e495716b5..33788cc900 100644 --- a/cpu/ppc4xx/44x_spd_ddr2.c +++ b/cpu/ppc4xx/44x_spd_ddr2.c @@ -1101,11 +1101,8 @@ static void program_codt(unsigned long *dimm_populated, * Set the SDRAM Controller On Die Termination Register *-----------------------------------------------------------------*/ mfsdram(SDRAM_CODT, codt); - codt |= (SDRAM_CODT_IO_NMODE - & (~SDRAM_CODT_DQS_SINGLE_END - & ~SDRAM_CODT_CKSE_SINGLE_END - & ~SDRAM_CODT_FEEBBACK_RCV_SINGLE_END - & ~SDRAM_CODT_FEEBBACK_DRV_SINGLE_END)); + codt &= ~(SDRAM_CODT_DQS_SINGLE_END | SDRAM_CODT_CKSE_SINGLE_END); + codt |= SDRAM_CODT_IO_NMODE; for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) { if (dimm_populated[dimm_num] != SDRAM_NONE) { |
