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authorTom Rini <trini@konsulko.com>2023-03-14 10:58:41 -0400
committerTom Rini <trini@konsulko.com>2023-03-14 12:06:35 -0400
commita5faa4a9eb45f2cc0e858622db8fabafd644085b (patch)
tree36be30dcb8b9a6743c21f9db02ee3b8d1976180a /drivers/ram
parent20aaff677d8bc3cc2d529d859aa1ea65f5a4db7d (diff)
parent88e08fc5f6e508eac46cd1dfb0379b11ae032c0a (diff)
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Merge tag 'v2023.04-rc4' into next
Prepare v2023.04-rc4 Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/ram')
-rw-r--r--drivers/ram/rockchip/Makefile1
-rw-r--r--drivers/ram/rockchip/sdram_rk3588.c57
2 files changed, 58 insertions, 0 deletions
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),
+};