From: Carolyn Smith carolyn.smith@tektronix.com
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 --- v2: - Generated by Stefan using git tools - Minor coding style cleanup
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 1e49571..33788cc 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) {