rockchip: Add core Soc start-up code for rv1108

RV1108 is embedded with an ARM Cortex-A7 single core and a DSP core
from Rockchip. It is designed for varies application scenario such
as car DVR, sports DV, secure camera and UAV camera.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

7 files changed, 97 insertions, 0 deletions

diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index a8d745a..9b2ef29 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -79,6 +79,13 @@ config ROCKCHIP_RK3399
 	  and video codec support. Peripherals include Gigabit Ethernet,
 	  USB2 host and OTG, SDIO, I2S, UARTs, SPI, I2C and PWMs.
 
+config ROCKCHIP_RV1108
+	bool "Support Rockchip RV1108"
+	select CPU_V7
+	help
+	  The Rockchip RV1108 is a ARM-based SoC with a single-core Cortex-A7
+	  and a DSP.
+
 config ROCKCHIP_SPL_BACK_TO_BROM
 	bool "SPL returns to bootrom"
 	default y if ROCKCHIP_RK3036
@@ -108,4 +115,5 @@ source "arch/arm/mach-rockchip/rk3288/Kconfig"
 source "arch/arm/mach-rockchip/rk3328/Kconfig"
 source "arch/arm/mach-rockchip/rk3368/Kconfig"
 source "arch/arm/mach-rockchip/rk3399/Kconfig"
+source "arch/arm/mach-rockchip/rv1108/Kconfig"
 endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 5ed19c9..87d2019 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -33,3 +33,4 @@ obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
 obj-$(CONFIG_ROCKCHIP_RK3328) += rk3328/
 obj-$(CONFIG_ROCKCHIP_RK3368) += rk3368/
 obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399/
+obj-$(CONFIG_ROCKCHIP_RV1108) += rv1108/
diff --git a/arch/arm/mach-rockchip/rv1108/Kconfig b/arch/arm/mach-rockchip/rv1108/Kconfig
new file mode 100644
index 0000000..40237bb
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1108/Kconfig
@@ -0,0 +1,9 @@
+if ROCKCHIP_RV1108
+
+config SYS_SOC
+	default "rockchip"
+
+config SYS_MALLOC_F_LEN
+	default 0x400
+
+endif
diff --git a/arch/arm/mach-rockchip/rv1108/Makefile b/arch/arm/mach-rockchip/rv1108/Makefile
new file mode 100644
index 0000000..9035a1a
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1108/Makefile
@@ -0,0 +1,11 @@
+#
+# (C) Copyright 2016 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+ifndef CONFIG_SPL_BUILD
+obj-y += syscon_rv1108.o
+endif
+obj-y += rv1108.o
+obj-y += clk_rv1108.o
diff --git a/arch/arm/mach-rockchip/rv1108/clk_rv1108.c b/arch/arm/mach-rockchip/rv1108/clk_rv1108.c
new file mode 100644
index 0000000..968c356
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1108/clk_rv1108.c
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * SPDX-License-Identifier:     GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rv1108.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_GET_DRIVER(clk_rv1108), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct rv1108_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/rv1108/rv1108.c b/arch/arm/mach-rockchip/rv1108/rv1108.c
new file mode 100644
index 0000000..868cdd5
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1108/rv1108.c
@@ -0,0 +1,15 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif
diff --git a/arch/arm/mach-rockchip/rv1108/syscon_rv1108.c b/arch/arm/mach-rockchip/rv1108/syscon_rv1108.c
new file mode 100644
index 0000000..8bb0ab8
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1108/syscon_rv1108.c
@@ -0,0 +1,21 @@
+/*
+ * (C) Copyright 2016 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 rv1108_syscon_ids[] = {
+	{ .compatible = "rockchip,rv1108-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_rv1108) = {
+	.name = "rv1108_syscon",
+	.id = UCLASS_SYSCON,
+	.of_match = rv1108_syscon_ids,
+};