rockchip: rk3066: add core support

Add the core architecture code for the rk3066.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

10 files changed, 218 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rk3066/boot0.h b/arch/arm/include/asm/arch-rk3066/boot0.h
new file mode 100644
index 0000000000..28c0fb9a4c
--- /dev/null
+++ b/arch/arm/include/asm/arch-rk3066/boot0.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __ASM_ARCH_BOOT0_H__
+#define __ASM_ARCH_BOOT0_H__
+
+#include <asm/arch-rockchip/boot0.h>
+
+#endif
diff --git a/arch/arm/include/asm/arch-rk3066/gpio.h b/arch/arm/include/asm/arch-rk3066/gpio.h
new file mode 100644
index 0000000000..a4a3b3289c
--- /dev/null
+++ b/arch/arm/include/asm/arch-rk3066/gpio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __ASM_ARCH_GPIO_H__
+#define __ASM_ARCH_GPIO_H__
+
+#include <asm/arch-rockchip/gpio.h>
+
+#endif
diff --git a/arch/arm/include/asm/arch-rk3066/timer.h b/arch/arm/include/asm/arch-rk3066/timer.h
new file mode 100644
index 0000000000..3bb39428cd
--- /dev/null
+++ b/arch/arm/include/asm/arch-rk3066/timer.h
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __ASM_ARCH_TIMER_H__
+#define __ASM_ARCH_TIMER_H__
+
+#endif
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 811964973a..18aff5480b 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -35,6 +35,28 @@ config ROCKCHIP_RK3036
 	  and video codec support. Peripherals include Gigabit Ethernet,
 	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
 
+config ROCKCHIP_RK3066
+	bool "Support Rockchip RK3066"
+	select CPU_V7A
+	select SPL_BOARD_INIT if SPL
+	select SUPPORT_SPL
+	select SUPPORT_TPL
+	select SPL
+	select TPL
+	select TPL_ROCKCHIP_BACK_TO_BROM
+	select TPL_ROCKCHIP_EARLYRETURN_TO_BROM
+	imply ROCKCHIP_COMMON_BOARD
+	imply SPL_ROCKCHIP_COMMON_BOARD
+	imply SPL_SERIAL
+	imply TPL_ROCKCHIP_COMMON_BOARD
+	imply TPL_SERIAL
+	help
+	  The Rockchip RK3066 is a ARM-based SoC with a dual-core Cortex-A9
+	  including NEON and GPU, 512KB L2 cache, Mali-400 graphics, two
+	  video interfaces, several memory options and video codec support.
+	  Peripherals include Fast Ethernet, USB2 host and OTG, SDIO, I2S,
+	  UART, SPI, I2C and PWMs.
+
 config ROCKCHIP_RK3128
 	bool "Support Rockchip RK3128"
 	select CPU_V7A
@@ -405,6 +427,7 @@ config LNX_KRNL_IMG_TEXT_OFFSET_BASE
 
 source "arch/arm/mach-rockchip/px30/Kconfig"
 source "arch/arm/mach-rockchip/rk3036/Kconfig"
+source "arch/arm/mach-rockchip/rk3066/Kconfig"
 source "arch/arm/mach-rockchip/rk3128/Kconfig"
 source "arch/arm/mach-rockchip/rk3188/Kconfig"
 source "arch/arm/mach-rockchip/rk322x/Kconfig"
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 00aef0ecee..6c1c7b8a10 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram.o
 
 obj-$(CONFIG_ROCKCHIP_PX30) += px30/
 obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
+obj-$(CONFIG_ROCKCHIP_RK3066) += rk3066/
 obj-$(CONFIG_ROCKCHIP_RK3128) += rk3128/
 obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188/
 obj-$(CONFIG_ROCKCHIP_RK322X) += rk322x/
diff --git a/arch/arm/mach-rockchip/rk3066/Kconfig b/arch/arm/mach-rockchip/rk3066/Kconfig
new file mode 100644
index 0000000000..335f49bc55
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3066/Kconfig
@@ -0,0 +1,30 @@
+if ROCKCHIP_RK3066
+
+config ROCKCHIP_BOOT_MODE_REG
+	default 0x20004040
+
+config SYS_SOC
+	default "rk3066"
+
+config SYS_MALLOC_F_LEN
+	default 0x0800
+
+config SPL_LIBCOMMON_SUPPORT
+	default y
+
+config SPL_LIBGENERIC_SUPPORT
+	default y
+
+config SPL_SERIAL
+	default y
+
+config TPL_LIBCOMMON_SUPPORT
+	default y
+
+config TPL_LIBGENERIC_SUPPORT
+	default y
+
+config TPL_SERIAL
+	default y
+
+endif
diff --git a/arch/arm/mach-rockchip/rk3066/Makefile b/arch/arm/mach-rockchip/rk3066/Makefile
new file mode 100644
index 0000000000..9e2a9d4b0a
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3066/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-y += clk_rk3066.o
+obj-y += rk3066.o
+obj-y += syscon_rk3066.o
diff --git a/arch/arm/mach-rockchip/rk3066/clk_rk3066.c b/arch/arm/mach-rockchip/rk3066/clk_rk3066.c
new file mode 100644
index 0000000000..c47526dca5
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3066/clk_rk3066.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_rk3066.h>
+#include <linux/err.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_DRIVER_GET(rockchip_rk3066a_cru), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct rk3066_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/rk3066/rk3066.c b/arch/arm/mach-rockchip/rk3066/rk3066.c
new file mode 100644
index 0000000000..78c7d894f9
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3066/rk3066.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/bootrom.h>
+#include <asm/arch-rockchip/grf_rk3066.h>
+
+#define GRF_BASE	0x20008000
+
+const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
+	[BROM_BOOTSOURCE_EMMC] = "/mmc@1021c000",
+	[BROM_BOOTSOURCE_SD] = "/mmc@10214000",
+};
+
+void board_debug_uart_init(void)
+{
+	struct rk3066_grf * const grf = (void *)GRF_BASE;
+
+	/* Enable early UART on the RK3066 */
+	rk_clrsetreg(&grf->gpio1b_iomux,
+		     GPIO1B1_MASK | GPIO1B0_MASK,
+		     GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
+		     GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
+}
+
+void spl_board_init(void)
+{
+	if (!IS_ENABLED(CONFIG_SPL_BUILD))
+		return;
+
+	if (IS_ENABLED(CONFIG_SPL_DM_MMC)) {
+		struct rk3066_grf * const grf = (void *)GRF_BASE;
+
+		rk_clrsetreg(&grf->gpio3b_iomux,
+			     GPIO3B0_MASK | GPIO3B1_MASK | GPIO3B2_MASK |
+			     GPIO3B3_MASK | GPIO3B4_MASK | GPIO3B5_MASK |
+			     GPIO3B6_MASK,
+			     GPIO3B0_SDMMC0_CLKOUT << GPIO3B0_SHIFT |
+			     GPIO3B1_SDMMC0_CMD    << GPIO3B1_SHIFT |
+			     GPIO3B2_SDMMC0_DATA0  << GPIO3B2_SHIFT |
+			     GPIO3B3_SDMMC0_DATA1  << GPIO3B3_SHIFT |
+			     GPIO3B4_SDMMC0_DATA2  << GPIO3B4_SHIFT |
+			     GPIO3B5_SDMMC0_DATA3  << GPIO3B5_SHIFT |
+			     GPIO3B6_SDMMC0_DECTN  << GPIO3B6_SHIFT);
+	}
+}
diff --git a/arch/arm/mach-rockchip/rk3066/syscon_rk3066.c b/arch/arm/mach-rockchip/rk3066/syscon_rk3066.c
new file mode 100644
index 0000000000..a598f6400d
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3066/syscon_rk3066.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <log.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+
+static const struct udevice_id rk3066_syscon_ids[] = {
+	{ .compatible = "rockchip,rk3066-noc", .data = ROCKCHIP_SYSCON_NOC },
+	{ .compatible = "rockchip,rk3066-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ .compatible = "rockchip,rk3066-pmu", .data = ROCKCHIP_SYSCON_PMU },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_rk3066) = {
+	.name = "rk3066_syscon",
+	.id = UCLASS_SYSCON,
+	.of_match = rk3066_syscon_ids,
+};
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+static int rk3066_syscon_bind_of_plat(struct udevice *dev)
+{
+	dev->driver_data = dev->driver->of_match->data;
+	debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
+
+	return 0;
+}
+
+U_BOOT_DRIVER(rockchip_rk3066_noc) = {
+	.name = "rockchip_rk3066_noc",
+	.id = UCLASS_SYSCON,
+	.of_match = rk3066_syscon_ids,
+	.bind = rk3066_syscon_bind_of_plat,
+};
+
+U_BOOT_DRIVER(rockchip_rk3066_grf) = {
+	.name = "rockchip_rk3066_grf",
+	.id = UCLASS_SYSCON,
+	.of_match = rk3066_syscon_ids + 1,
+	.bind = rk3066_syscon_bind_of_plat,
+};
+
+U_BOOT_DRIVER(rockchip_rk3066_pmu) = {
+	.name = "rockchip_rk3066_pmu",
+	.id = UCLASS_SYSCON,
+	.of_match = rk3066_syscon_ids + 2,
+	.bind = rk3066_syscon_bind_of_plat,
+};
+#endif