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 ---
board/theobroma-systems/puma_rk3399/puma-rk3399.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/board/theobroma-systems/puma_rk3399/puma-rk3399.c b/board/theobroma-systems/puma_rk3399/puma-rk3399.c index fb4d31e..27386dd 100644 --- a/board/theobroma-systems/puma_rk3399/puma-rk3399.c +++ b/board/theobroma-systems/puma_rk3399/puma-rk3399.c @@ -9,6 +9,7 @@ #include <dm/uclass-internal.h> #include <asm/arch/periph.h> #include <power/regulator.h> +#include <ram.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -57,7 +58,23 @@ 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; }