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 | |
| 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')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3328/rk3328.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3368/rk3368.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/rk3399.c | 13 |
3 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3328/rk3328.c b/arch/arm/mach-rockchip/rk3328/rk3328.c index cec6f905f6c..6764494d3bb 100644 --- a/arch/arm/mach-rockchip/rk3328/rk3328.c +++ b/arch/arm/mach-rockchip/rk3328/rk3328.c @@ -9,6 +9,8 @@ #include <asm/armv8/mmu.h> #include <asm/io.h> +DECLARE_GLOBAL_DATA_PTR; + static struct mm_region rk3328_mem_map[] = { { .virt = 0x0UL, @@ -31,6 +33,17 @@ static struct mm_region rk3328_mem_map[] = { struct mm_region *mem_map = rk3328_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; +} + int arch_cpu_init(void) { /* We do some SoC one time setting here. */ diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c b/arch/arm/mach-rockchip/rk3368/rk3368.c index fb829a4a374..f62d91df74c 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) { diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c index a621a6ff2ab..dbc248f84a7 100644 --- a/arch/arm/mach-rockchip/rk3399/rk3399.c +++ b/arch/arm/mach-rockchip/rk3399/rk3399.c @@ -9,6 +9,8 @@ #include <asm/io.h> #include <asm/arch/hardware.h> +DECLARE_GLOBAL_DATA_PTR; + #define GRF_EMMCCORE_CON11 0xff77f02c static struct mm_region rk3399_mem_map[] = { @@ -33,6 +35,17 @@ static struct mm_region rk3399_mem_map[] = { struct mm_region *mem_map = rk3399_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; +} + int arch_cpu_init(void) { /* We do some SoC one time setting here. */ |