From: Carolyn Smith Date: Thu, 12 Feb 2009 05:13:44 +0000 (+0100) Subject: ppc4xx: Fix initialization of the SDRAM_CODT register X-Git-Tag: v2009.03-rc1~80^2~1 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7369f0e384e2a831be13a7773a58242c9173fa9c;p=u-boot 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 Signed-off-by: Stefan Roese --- 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) {