From 975e4abad2fabfb8aa3f0391e0ef07cc3aede905 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 23 Jun 2017 16:11:11 +0800 Subject: 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 Reviewed-by: Philipp Tomsich Added DECLARE_GLOBAL_DATA_PTR for RK3328, RK3368 and RK3399: Signed-off-by: Philipp Tomsich --- arch/arm/mach-rockchip/rk3368/rk3368.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'arch/arm/mach-rockchip/rk3368/rk3368.c') 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 #include +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) { -- cgit