diff options
author | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-04-28 18:31:44 +0300 |
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committer | Simon Glass <sjg@chromium.org> | 2017-05-10 22:37:21 +0300 |
commit | e92e58035062930fcbcb1861cc92f512bde4067b (patch) | |
tree | 3f2215de6744379a4eb900f3edd6b76cc0fed36d /board/theobroma-systems | |
parent | a70feb462016d1a6a4e6254aa10ba68948b458f2 (diff) | |
download | u-boot-e92e58035062930fcbcb1861cc92f512bde4067b.tar.xz |
rockchip: ARM64: puma-rk3399: get DRAM size from DMC init
With the RK3399 DRAM controller (DMC) driver providing all the
infrastructure, retrieve the DRAM size from the DMC init in the
board-specific code (instead of hard-coding) for the RK3399-Q7 (Puma).
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'board/theobroma-systems')
-rw-r--r-- | board/theobroma-systems/puma_rk3399/puma-rk3399.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/board/theobroma-systems/puma_rk3399/puma-rk3399.c b/board/theobroma-systems/puma_rk3399/puma-rk3399.c index fb4d31e01d..0a8861a3b3 100644 --- a/board/theobroma-systems/puma_rk3399/puma-rk3399.c +++ b/board/theobroma-systems/puma_rk3399/puma-rk3399.c @@ -5,10 +5,18 @@ */ #include <common.h> #include <dm.h> +#include <misc.h> +#include <ram.h> #include <dm/pinctrl.h> #include <dm/uclass-internal.h> #include <asm/arch/periph.h> #include <power/regulator.h> +#include <u-boot/sha256.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define RK3399_CPUID_OFF 0x7 +#define RK3399_CPUID_LEN 0x10 DECLARE_GLOBAL_DATA_PTR; @@ -57,7 +65,23 @@ out: int dram_init(void) { - gd->ram_size = 0x80000000; + struct ram_info ram; + struct udevice *dev; + int ret; + + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) { + debug("DRAM init failed: %d\n", ret); + return ret; + } + ret = ram_get_info(dev, &ram); + if (ret) { + debug("Cannot get DRAM size: %d\n", ret); + return ret; + } + debug("SDRAM base=%llx, size=%x\n", ram.base, (unsigned int)ram.size); + gd->ram_size = ram.size; + return 0; } |