7 files changed, 104 insertions, 2 deletions
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index fa1f426..a2069f8 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -9,6 +9,14 @@ config ROCKCHIP_RK3288
 	  and video codec support. Peripherals include Gigabit Ethernet,
 	  USB2 host and OTG, SDIO, I2S, UART,s, SPI, I2C and PWMs.
 
+config ROCKCHIP_RK3036
+	bool "Support Rockchip RK3036"
+	help
+	  The Rockchip RK3036 is a ARM-based SoC with a dual-core Cortex-A7
+	  including NEON and GPU, Mali-400 graphics, several DDR3 options
+	  and video codec support. Peripherals include Gigabit Ethernet,
+	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
+
 config SYS_MALLOC_F
 	default y
 
@@ -31,5 +39,5 @@ config DM_GPIO
 	default y
 
 source "arch/arm/mach-rockchip/rk3288/Kconfig"
-
+source "arch/arm/mach-rockchip/rk3036/Kconfig"
 endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index a29675d..b703c3c 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -6,10 +6,12 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
+obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
 else
-obj-y += board.o
+obj-$(CONFIG_ROCKCHIP_RK3288) += board.o
 endif
 obj-y += rk_timer.o
 obj-y += rk_early_print.o
 obj-$(CONFIG_$(SPL_)ROCKCHIP_COMMON) += common.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
+obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index 688bc0f..f026abf 100644
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <dm.h>
 #include <ram.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/arch/arm/mach-rockchip/rk3036-board-spl.c b/arch/arm/mach-rockchip/rk3036-board-spl.c
new file mode 100644
index 0000000..3a1491c
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036-board-spl.c
@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/grf_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sdram_rk3036.h>
+#include <asm/arch/timer.h>
+#include <asm/arch/uart.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define GRF_BASE	0x20008000
+static struct rk3036_grf * const grf = (void *)GRF_BASE;
+
+#define DEBUG_UART_BASE	0x20068000
+
+extern void back_to_bootrom(void);
+
+void board_init_f(ulong dummy)
+{
+#ifdef EARLY_DEBUG
+	/*
+	 * NOTE: sd card and debug uart use same iomux in rk3036,
+	 * so if you enable uart,
+	 * you can not boot from sdcard
+	 */
+	rk_clrsetreg(&grf->gpio1c_iomux,
+		     GPIO1C3_MASK << GPIO1C3_SHIFT |
+		     GPIO1C2_MASK << GPIO1C2_SHIFT,
+		     GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
+		     GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
+	rk_uart_init((void *)DEBUG_UART_BASE);
+#endif
+	rockchip_timer_init();
+	sdram_init();
+
+	/* return to maskrom */
+	back_to_bootrom();
+}
+
+/* Place Holders */
+void board_init_r(gd_t *id, ulong dest_addr)
+{
+	/*
+	 * Function attribute is no-return
+	 * This Function never executes
+	 */
+	while (1)
+		;
+}
diff --git a/arch/arm/mach-rockchip/rk3036/Kconfig b/arch/arm/mach-rockchip/rk3036/Kconfig
new file mode 100644
index 0000000..d76d5e1
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/Kconfig
@@ -0,0 +1,3 @@
+if ROCKCHIP_RK3036
+
+endif
diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
index 6095777..97d299d 100644
--- a/arch/arm/mach-rockchip/rk3036/Makefile
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -10,3 +10,4 @@ obj-y += syscon_rk3036.o
 endif
 
 obj-y += sdram_rk3036.o
+obj-y += save_boot_param.o
diff --git a/arch/arm/mach-rockchip/rk3036/save_boot_param.S b/arch/arm/mach-rockchip/rk3036/save_boot_param.S
new file mode 100644
index 0000000..778ec83
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/save_boot_param.S
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+.globl	SAVE_SP_ADDR
+SAVE_SP_ADDR:
+	.word 0
+
+/*
+ * void save_boot_params
+ *
+ * Save sp, lr, r1~r12
+ */
+ENTRY(save_boot_params)
+	push	{r1-r12, lr}
+	ldr	r0, =SAVE_SP_ADDR
+	str	sp, [r0]
+	b	save_boot_params_ret		@ back to my caller
+ENDPROC(save_boot_params)
+
+
+.globl back_to_bootrom
+ENTRY(back_to_bootrom)
+	ldr	r0, =SAVE_SP_ADDR
+	ldr	sp, [r0]
+	mov	r0, #0
+	pop	{r1-r12, pc}
+ENDPROC(back_to_bootrom)