diff options
Diffstat (limited to 'cpu/mpc8xxx/ddr/main.c')
| -rw-r--r-- | cpu/mpc8xxx/ddr/main.c | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/cpu/mpc8xxx/ddr/main.c b/cpu/mpc8xxx/ddr/main.c index c340d569f..305f7fbd4 100644 --- a/cpu/mpc8xxx/ddr/main.c +++ b/cpu/mpc8xxx/ddr/main.c @@ -164,6 +164,24 @@ int step_assign_addresses(fsl_ddr_info_t *pinfo, } if (j == 2) { *memctl_interleaving = 1; + + printf("\nMemory controller interleaving enabled: "); + + switch (pinfo->memctl_opts[0].memctl_interleaving_mode) { + case FSL_DDR_CACHE_LINE_INTERLEAVING: + printf("Cache-line interleaving!\n"); + break; + case FSL_DDR_PAGE_INTERLEAVING: + printf("Page interleaving!\n"); + break; + case FSL_DDR_BANK_INTERLEAVING: + printf("Bank interleaving!\n"); + break; + case FSL_DDR_SUPERBANK_INTERLEAVING: + printf("Super bank interleaving\n"); + default: + break; + } } /* Check that all controllers are rank interleaving. */ @@ -175,10 +193,30 @@ int step_assign_addresses(fsl_ddr_info_t *pinfo, } if (j == 2) { *rank_interleaving = 1; + + printf("Bank(chip-select) interleaving enabled: "); + + switch (pinfo->memctl_opts[0].ba_intlv_ctl & + FSL_DDR_CS0_CS1_CS2_CS3) { + case FSL_DDR_CS0_CS1_CS2_CS3: + printf("CS0+CS1+CS2+CS3\n"); + break; + case FSL_DDR_CS0_CS1: + printf("CS0+CS1\n"); + break; + case FSL_DDR_CS2_CS3: + printf("CS2+CS3\n"); + break; + case FSL_DDR_CS0_CS1_AND_CS2_CS3: + printf("CS0+CS1 and CS2+CS3\n"); + default: + break; + } } if (*memctl_interleaving) { phys_addr_t addr; + phys_size_t total_mem_per_ctlr = 0; /* * If interleaving between memory controllers, @@ -197,14 +235,18 @@ int step_assign_addresses(fsl_ddr_info_t *pinfo, for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { addr = 0; + pinfo->common_timing_params[i].base_address = + (phys_addr_t)addr; for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) { unsigned long long cap = pinfo->dimm_params[i][j].capacity; pinfo->dimm_params[i][j].base_address = addr; addr += (phys_addr_t)(cap >> dbw_cap_adj[i]); + total_mem_per_ctlr += cap >> dbw_cap_adj[i]; } } + pinfo->common_timing_params[0].total_mem = total_mem_per_ctlr; } else { /* * Simple linear assignment if memory @@ -314,7 +356,8 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step) */ populate_memctl_options( timing_params[i].all_DIMMs_registered, - &pinfo->memctl_opts[i], i); + &pinfo->memctl_opts[i], + pinfo->dimm_params[i], i); } case STEP_ASSIGN_ADDRESSES: @@ -386,7 +429,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step) if (max_end >= 0xff) { printf("This U-Boot only supports < 4G of DDR\n"); printf("You could rebuild it with CONFIG_PHYS_64BIT\n"); - return 0; /* Ensure DDR setup failure. */ + return CONFIG_MAX_MEM_MAPPED; } #endif @@ -432,9 +475,14 @@ phys_size_t fsl_ddr_sdram(void) */ memctl_interleaved = 1; } else { - printf("Error: memctl interleaving not " + printf("Warning: memctl interleaving not " "properly configured on all controllers\n"); - while (1); + memctl_interleaved = 0; + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) + info.memctl_opts[i].memctl_interleaving = 0; + debug("Recomputing with memctl_interleaving off.\n"); + total_memory = fsl_ddr_compute(&info, + STEP_ASSIGN_ADDRESSES); } } |