diff options
Diffstat (limited to 'arch/arm/mach-uniphier/dram_init.c')
| -rw-r--r-- | arch/arm/mach-uniphier/dram_init.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c index ab4aa93f42a..970fa09ef03 100644 --- a/arch/arm/mach-uniphier/dram_init.c +++ b/arch/arm/mach-uniphier/dram_init.c @@ -13,6 +13,7 @@ #include <linux/sizes.h> #include <asm/global_data.h> +#include "init.h" #include "sg-regs.h" #include "soc-info.h" @@ -271,6 +272,8 @@ int dram_init(void) int dram_init_banksize(void) { struct uniphier_dram_map dram_map[3] = {}; + unsigned long base, top; + bool valid_bank_found = false; int ret, i; ret = uniphier_dram_map_get(dram_map); @@ -278,12 +281,25 @@ int dram_init_banksize(void) return ret; for (i = 0; i < ARRAY_SIZE(dram_map); i++) { - if (i >= ARRAY_SIZE(gd->bd->bi_dram)) - break; + if (i < ARRAY_SIZE(gd->bd->bi_dram)) { + gd->bd->bi_dram[i].start = dram_map[i].base; + gd->bd->bi_dram[i].size = dram_map[i].size; + } + + if (!dram_map[i].size) + continue; - gd->bd->bi_dram[i].start = dram_map[i].base; - gd->bd->bi_dram[i].size = dram_map[i].size; + if (!valid_bank_found) + base = dram_map[i].base; + top = dram_map[i].base + dram_map[i].size; + valid_bank_found = true; } + if (!valid_bank_found) + return -EINVAL; + + /* map all the DRAM regions */ + uniphier_mem_map_init(base, top - base); + return 0; } |