rockchip: Add basic support for kylin board

kylin board use rk3036 SOC, 512M sdram, 8G emmc.
This add some basic files required to allow the board
to output serial message and can run command(mmc info etc).

Signed-off-by: Lin Huang <hl@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/arm/mach-rockchip/rk3036/Kconfig

@@ -3,6 +3,9 @@ if ROCKCHIP_RK3036
 config TARGET_EVB_RK3036
 	bool "EVB_RK3036"
 
+config TARGET_KYLIN_RK3036
+	bool "KYLIN_RK3036"
+
 config SYS_SOC
 	default "rockchip"
 
@@ -13,5 +16,6 @@ config ROCKCHIP_COMMON
 	bool "Support rk common fuction"
 
 source "board/evb_rk3036/evb_rk3036/Kconfig"
+source "board/kylin/kylin_rk3036/Kconfig"
 
 endif

board/kylin/kylin_rk3036/Kconfig

+if TARGET_KYLIN_RK3036
+
+config SYS_BOARD
+	default "kylin_rk3036"
+
+config SYS_VENDOR
+	default "kylin"
+
+config SYS_CONFIG_NAME
+	default "kylin_rk3036"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif

board/kylin/kylin_rk3036/Makefile

+#
+# (C) Copyright 2015 Google, Inc
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= kylin_rk3036.o

board/kylin/kylin_rk3036/kylin_rk3036.c

+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/io.h>
+#include <asm/arch/uart.h>
+#include <asm/arch/sdram_rk3036.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void get_ddr_config(struct rk3036_ddr_config *config)
+{
+	/* K4B4G1646Q config */
+	config->ddr_type = 3;
+	config->rank = 1;
+	config->cs0_row = 15;
+	config->cs1_row = 15;
+
+	/* 8bank */
+	config->bank = 3;
+	config->col = 10;
+
+	/* 16bit bw */
+	config->bw = 1;
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = sdram_size();
+
+	return 0;
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif

configs/kylin-rk3036_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_ROCKCHIP_RK3036=y
+CONFIG_TARGET_KYLIN_RK3036=y
+CONFIG_DEFAULT_DEVICE_TREE="rk3036-sdk"
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_STACK_R_ADDR=0x80000
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CLK=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_RESET=y
+CONFIG_LED=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_PINCTRL=y
+CONFIG_ROCKCHIP_DWMMC=y
+CONFIG_ROCKCHIP_3036_PINCTRL=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_RAM=y
+CONFIG_DM_MMC=y
+CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_CMD_DHRYSTONE=y
+CONFIG_ERRNO_STR=y

include/configs/kylin_rk3036.h

+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/rk3036_common.h>
+
+#endif