diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/main.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/main.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c index b47268c20..2885906e8 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c @@ -526,6 +526,17 @@ phys_size_t fsl_ddr_sdram(void) #endif total_memory = fsl_ddr_compute(&info, STEP_GET_SPD, 0); + /* setup 3-way interleaving before enabling DDRC */ + switch (info.memctl_opts[0].memctl_interleaving_mode) { + case FSL_DDR_3WAY_1KB_INTERLEAVING: + case FSL_DDR_3WAY_4KB_INTERLEAVING: + case FSL_DDR_3WAY_8KB_INTERLEAVING: + fsl_ddr_set_intl3r(info.memctl_opts[0].memctl_interleaving_mode); + break; + default: + break; + } + /* Program configuration registers. */ for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { debug("Programming controller %u\n", i); @@ -561,7 +572,6 @@ phys_size_t fsl_ddr_sdram(void) case FSL_DDR_3WAY_8KB_INTERLEAVING: law_memctl = LAW_TRGT_IF_DDR_INTLV_123; if (i == 0) { - fsl_ddr_set_intl3r(info.memctl_opts[i].memctl_interleaving_mode); fsl_ddr_set_lawbar(&info.common_timing_params[i], law_memctl, i); } |