diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c index b5e4070..bf5a6f2 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -681,6 +681,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, unsigned int odt_cfg = 0; /* ODT configuration */ unsigned int num_pr; /* Number of posted refreshes */ unsigned int slow = 0; /* DDR will be run less than 1250 */ + unsigned int x4_en = 0; /* x4 DRAM enable */ unsigned int obc_cfg; /* On-The-Fly Burst Chop Cfg */ unsigned int ap_en; /* Address Parity Enable */ unsigned int d_init; /* DRAM data initialization */ @@ -725,6 +726,8 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, ap_en = 0; } + x4_en = popts->x4_en ? 1 : 0; + #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) /* Use the DDR controller to auto initialize memory. */ d_init = popts->ECC_init_using_memctl; @@ -747,6 +750,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, | ((odt_cfg & 0x3) << 21) | ((num_pr & 0xf) << 12) | ((slow & 1) << 11) + | (x4_en << 10) | (qd_en << 9) | (unq_mrs_en << 8) | ((obc_cfg & 0x1) << 6) |