rockchip: rk322x: add basic soc support

Enable soc support for SPL and U-boot skeleton.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

4 files changed, 81 insertions, 0 deletions

diff --git a/arch/arm/mach-rockchip/rk322x/Kconfig b/arch/arm/mach-rockchip/rk322x/Kconfig
new file mode 100644
index 0000000000..dc8071e4f3
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk322x/Kconfig
@@ -0,0 +1,18 @@
+if ROCKCHIP_RK322X
+
+config TARGET_EVB_RK3229
+	bool "EVB_RK3229"
+	select BOARD_LATE_INIT
+
+config SYS_SOC
+	default "rockchip"
+
+config SYS_MALLOC_F_LEN
+	default 0x400
+
+config SPL_SERIAL_SUPPORT
+	default y
+
+source "board/rockchip/evb_rk3229/Kconfig"
+
+endif
diff --git a/arch/arm/mach-rockchip/rk322x/Makefile b/arch/arm/mach-rockchip/rk322x/Makefile
new file mode 100644
index 0000000000..ecb3e8dfda
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk322x/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+
+obj-y += clk_rk322x.o
+obj-y += syscon_rk322x.o
diff --git a/arch/arm/mach-rockchip/rk322x/clk_rk322x.c b/arch/arm/mach-rockchip/rk322x/clk_rk322x.c
new file mode 100644
index 0000000000..ef25696a43
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk322x/clk_rk322x.c
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk322x.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_GET_DRIVER(rockchip_rk322x_cru), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct rk322x_clk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_clk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->cru;
+}
diff --git a/arch/arm/mach-rockchip/rk322x/syscon_rk322x.c b/arch/arm/mach-rockchip/rk322x/syscon_rk322x.c
new file mode 100644
index 0000000000..1b11b8cbeb
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk322x/syscon_rk322x.c
@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+
+static const struct udevice_id rk322x_syscon_ids[] = {
+	{ .compatible = "rockchip,rk3228-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ .compatible = "rockchip,rk3228-msch", .data = ROCKCHIP_SYSCON_MSCH },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_rk322x) = {
+	.name = "rk322x_syscon",
+	.id = UCLASS_SYSCON,
+	.of_match = rk322x_syscon_ids,
+};