diff options
Diffstat (limited to 'hw/ppc/ppc4xx_devs.c')
| -rw-r--r-- | hw/ppc/ppc4xx_devs.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c index 07f9d00ea7..2b5d2cd6c3 100644 --- a/hw/ppc/ppc4xx_devs.c +++ b/hw/ppc/ppc4xx_devs.c @@ -683,28 +683,20 @@ ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks, hwaddr ram_sizes[], const unsigned int sdram_bank_sizes[]) { + MemoryRegion *ram = g_malloc0(sizeof(*ram)); ram_addr_t size_left = ram_size; ram_addr_t base = 0; + unsigned int bank_size; int i; int j; for (i = 0; i < nr_banks; i++) { for (j = 0; sdram_bank_sizes[j] != 0; j++) { - unsigned int bank_size = sdram_bank_sizes[j]; - + bank_size = sdram_bank_sizes[j]; if (bank_size <= size_left) { - char name[32]; - snprintf(name, sizeof(name), "ppc4xx.sdram%d", i); - memory_region_allocate_system_memory(&ram_memories[i], NULL, - name, bank_size); - ram_bases[i] = base; - ram_sizes[i] = bank_size; - base += bank_size; size_left -= bank_size; - break; } } - if (!size_left) { /* No need to use the remaining banks. */ break; @@ -712,9 +704,31 @@ ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks, } ram_size -= size_left; - if (size_left) + if (size_left) { printf("Truncating memory to %d MiB to fit SDRAM controller limits.\n", (int)(ram_size >> 20)); + } + + memory_region_allocate_system_memory(ram, NULL, "ppc4xx.sdram", ram_size); + + size_left = ram_size; + for (i = 0; i < nr_banks && size_left; i++) { + for (j = 0; sdram_bank_sizes[j] != 0; j++) { + bank_size = sdram_bank_sizes[j]; + + if (bank_size <= size_left) { + char name[32]; + snprintf(name, sizeof(name), "ppc4xx.sdram%d", i); + memory_region_init_alias(&ram_memories[i], NULL, name, ram, + base, bank_size); + ram_bases[i] = base; + ram_sizes[i] = bank_size; + base += bank_size; + size_left -= bank_size; + break; + } + } + } return ram_size; } |