On 2023/1/30 22:57, Jagan Teki wrote:
Add ddr driver for rk3588 to get the ram capacity.
Co-developed-by: Jonas Karlman jonas@kwiboo.se Signed-off-by: Jonas Karlman jonas@kwiboo.se Signed-off-by: Jagan Teki jagan@edgeble.ai
Reviewed-by: Kever Yang kever.yang@rock-chips.com
Thanks, - Kever
drivers/ram/rockchip/Makefile | 1 + drivers/ram/rockchip/sdram_rk3588.c | 57 +++++++++++++++++++++++++++++ 2 files changed, 58 insertions(+) create mode 100644 drivers/ram/rockchip/sdram_rk3588.c
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile index 98839ad6a6..36dc0500da 100644 --- a/drivers/ram/rockchip/Makefile +++ b/drivers/ram/rockchip/Makefile @@ -14,5 +14,6 @@ obj-$(CONFIG_ROCKCHIP_RK3308) = sdram_rk3308.o obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o sdram_pctl_px30.o sdram_phy_px30.o obj-$(CONFIG_ROCKCHIP_RK3399) += sdram_rk3399.o obj-$(CONFIG_ROCKCHIP_RK3568) += sdram_rk3568.o +obj-$(CONFIG_ROCKCHIP_RK3588) += sdram_rk3588.o obj-$(CONFIG_ROCKCHIP_RV1126) += sdram_rv1126.o sdram_pctl_px30.o obj-$(CONFIG_ROCKCHIP_SDRAM_COMMON) += sdram_common.o diff --git a/drivers/ram/rockchip/sdram_rk3588.c b/drivers/ram/rockchip/sdram_rk3588.c new file mode 100644 index 0000000000..cf56e2a941 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3588.c @@ -0,0 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0+ +/*
- (C) Copyright 2021 Rockchip Electronics Co., Ltd.
- */
+#include <common.h> +#include <dm.h> +#include <ram.h> +#include <syscon.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/grf_rk3588.h> +#include <asm/arch-rockchip/sdram.h>
+struct dram_info {
- struct ram_info info;
- struct rk3588_pmu1grf *pmugrf;
+};
+static int rk3588_dmc_probe(struct udevice *dev) +{
- struct dram_info *priv = dev_get_priv(dev);
- priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
- priv->info.base = CFG_SYS_SDRAM_BASE;
- priv->info.size =
rockchip_sdram_size((phys_addr_t)&priv->pmugrf->os_reg[2]) +rockchip_sdram_size((phys_addr_t)&priv->pmugrf->os_reg[4]);- return 0;
+}
+static int rk3588_dmc_get_info(struct udevice *dev, struct ram_info *info) +{
- struct dram_info *priv = dev_get_priv(dev);
- *info = priv->info;
- return 0;
+}
+static struct ram_ops rk3588_dmc_ops = {
- .get_info = rk3588_dmc_get_info,
+};
+static const struct udevice_id rk3588_dmc_ids[] = {
- { .compatible = "rockchip,rk3588-dmc" },
- { }
+};
+U_BOOT_DRIVER(dmc_rk3588) = {
- .name = "rockchip_rk3588_dmc",
- .id = UCLASS_RAM,
- .of_match = rk3588_dmc_ids,
- .ops = &rk3588_dmc_ops,
- .probe = rk3588_dmc_probe,
- .priv_auto = sizeof(struct dram_info),
+};