From f0768491db98249b3f54f16dd99a1d8dcdea9f2a Mon Sep 17 00:00:00 2001
From: Kever Yang <kever.yang@rock-chips.com>
Date: Wed, 27 Sep 2017 16:11:33 +0800
Subject: rockchip: rk3328: move sdram driver to driver/ram

Since we have CONFIG_RAM framwork and its driver folder, move the driver
into it.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
---
 drivers/ram/rockchip/Makefile       |  1 +
 drivers/ram/rockchip/sdram_rk3328.c | 60 +++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 drivers/ram/rockchip/sdram_rk3328.c

(limited to 'drivers/ram/rockchip')

diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile
index 95aae4846b..6c78eff7fa 100644
--- a/drivers/ram/rockchip/Makefile
+++ b/drivers/ram/rockchip/Makefile
@@ -7,4 +7,5 @@
 obj-$(CONFIG_ROCKCHIP_RK3368) = dmc-rk3368.o
 obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o
 obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o
+obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o
 obj-$(CONFIG_ROCKCHIP_RK3399) = sdram_rk3399.o
diff --git a/drivers/ram/rockchip/sdram_rk3328.c b/drivers/ram/rockchip/sdram_rk3328.c
new file mode 100644
index 0000000000..9637a35e23
--- /dev/null
+++ b/drivers/ram/rockchip/sdram_rk3328.c
@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+ *
+ * SPDX-License-Identifier:     GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <ram.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/grf_rk3328.h>
+#include <asm/arch/sdram_common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+struct dram_info {
+	struct ram_info info;
+	struct rk3328_grf_regs *grf;
+};
+
+static int rk3328_dmc_probe(struct udevice *dev)
+{
+	struct dram_info *priv = dev_get_priv(dev);
+
+	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+	debug("%s: grf=%p\n", __func__, priv->grf);
+	priv->info.base = CONFIG_SYS_SDRAM_BASE;
+	priv->info.size = rockchip_sdram_size(
+				(phys_addr_t)&priv->grf->os_reg[2]);
+
+	return 0;
+}
+
+static int rk3328_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 rk3328_dmc_ops = {
+	.get_info = rk3328_dmc_get_info,
+};
+
+
+static const struct udevice_id rk3328_dmc_ids[] = {
+	{ .compatible = "rockchip,rk3328-dmc" },
+	{ }
+};
+
+U_BOOT_DRIVER(dmc_rk3328) = {
+	.name = "rockchip_rk3328_dmc",
+	.id = UCLASS_RAM,
+	.of_match = rk3328_dmc_ids,
+	.ops = &rk3328_dmc_ops,
+	.probe = rk3328_dmc_probe,
+	.priv_auto_alloc_size = sizeof(struct dram_info),
+};
-- 
cgit