diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2017-06-23 16:11:11 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-07-11 12:13:45 +0200 |
| commit | 975e4abad2fabfb8aa3f0391e0ef07cc3aede905 (patch) | |
| tree | 33709601143f118432d377c93cae3ad825d43dbd /arch/arm/mach-rockchip/rk3368 | |
| parent | c541a7a12a233f3c77290ae6359c94fee9838e00 (diff) | |
rockchip: correct the bank0 ram size
The bank0 ram size should be the DRAM size minus reserved size,
the DRAM size may be 1GB, 2GB, 4GB, we can not hard code it.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Added DECLARE_GLOBAL_DATA_PTR for RK3328, RK3368 and RK3399:
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'arch/arm/mach-rockchip/rk3368')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3368/rk3368.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c b/arch/arm/mach-rockchip/rk3368/rk3368.c index fb829a4a37..f62d91df74 100644 --- a/arch/arm/mach-rockchip/rk3368/rk3368.c +++ b/arch/arm/mach-rockchip/rk3368/rk3368.c @@ -13,6 +13,8 @@ #include <asm/arch/grf_rk3368.h> #include <syscon.h> +DECLARE_GLOBAL_DATA_PTR; + #define IMEM_BASE 0xFF8C0000 /* Max MCU's SRAM value is 8K, begin at (IMEM_BASE + 4K) */ @@ -50,6 +52,17 @@ static struct mm_region rk3368_mem_map[] = { struct mm_region *mem_map = rk3368_mem_map; +int dram_init_banksize(void) +{ + size_t max_size = min((unsigned long)gd->ram_size, gd->ram_top); + + /* Reserve 0x200000 for ATF bl31 */ + gd->bd->bi_dram[0].start = 0x200000; + gd->bd->bi_dram[0].size = max_size - gd->bd->bi_dram[0].start; + + return 0; +} + #ifdef CONFIG_ARCH_EARLY_INIT_R static int mcu_init(void) { |