diff options
Diffstat (limited to 'arch/arm/mach-sunxi/board.c')
| -rw-r--r-- | arch/arm/mach-sunxi/board.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c index 9b84132..e979e42 100644 --- a/arch/arm/mach-sunxi/board.c +++ b/arch/arm/mach-sunxi/board.c @@ -56,7 +56,7 @@ static struct mm_region sunxi_mem_map[] = { /* RAM */ .virt = 0x40000000UL, .phys = 0x40000000UL, - .size = 0xC0000000UL, + .size = CONFIG_SUNXI_DRAM_MAX_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_INNER_SHARE }, { @@ -65,6 +65,15 @@ static struct mm_region sunxi_mem_map[] = { } }; struct mm_region *mem_map = sunxi_mem_map; + +ulong board_get_usable_ram_top(ulong total_size) +{ + /* Some devices (like the EMAC) have a 32-bit DMA limit. */ + if (gd->ram_top > (1ULL << 32)) + return 1ULL << 32; + + return gd->ram_top; +} #endif static int gpio_init(void) |