board: rockchip: Add rk3308 evb support

Add support for rk3308 evaluation board.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/mach-rockchip/rk3308/Kconfig

@@ -1,5 +1,9 @@
 if ROCKCHIP_RK3308
 
+config TARGET_EVB_RK3308
+	bool "EVB_RK3308"
+	select BOARD_LATE_INIT
+
 config SYS_SOC
 	default "rk3308"
 
@@ -11,4 +15,8 @@ config SPL_SERIAL_SUPPORT
 
 config ROCKCHIP_BOOT_MODE_REG
 	default 0xff000500
+
+
+source "board/rockchip/evb_rk3308/Kconfig"
+
 endif

board/rockchip/evb_rk3308/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_EVB_RK3308
+
+config SYS_BOARD
+	default "evb_rk3308"
+
+config SYS_VENDOR
+	default "rockchip"
+
+config SYS_CONFIG_NAME
+	default "evb_rk3308"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif

board/rockchip/evb_rk3308/MAINTAINERS

@@ -0,0 +1,6 @@
+EVB-RK3308
+M:      Andy Yan <andy.yan@rock-chips.com>
+S:      Maintained
+F:      board/rockchip/evb_rk3308
+F:      include/configs/evb_rk3308.h
+F:      configs/evb-rk3308_defconfig

board/rockchip/evb_rk3308/Makefile

@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2018 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evb_rk3308.o

board/rockchip/evb_rk3308/evb_rk3308.c

@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <adc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define KEY_DOWN_MIN_VAL        0
+#define KEY_DOWN_MAX_VAL        30
+
+/*
+ * Two board variants whith adc channel 3 is for board id
+ * v10: 1024, v11: 512
+ * v10: adc channel 0 for dnl key
+ * v11: adc channel 1 for dnl key
+ */
+int rockchip_dnl_key_pressed(void)
+{
+	unsigned int key_val, id_val;
+	int key_ch;
+
+	if (adc_channel_single_shot("saradc", 3, &id_val)) {
+		printf("%s read board id failed\n", __func__);
+		return false;
+	}
+
+	if (abs(id_val - 1024) <= 30)
+		key_ch = 0;
+	else
+		key_ch = 1;
+
+	if (adc_channel_single_shot("saradc", key_ch, &key_val)) {
+		printf("%s read adc key val failed\n", __func__);
+		return false;
+	}
+
+	if (key_val >= KEY_DOWN_MIN_VAL && key_val <= KEY_DOWN_MAX_VAL)
+		return true;
+	else
+		return false;
+}

configs/evb-rk3308_defconfig

@@ -0,0 +1,77 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_TEXT_BASE=0x00600000
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ROCKCHIP_RK3308=y
+CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x0
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_TARGET_EVB_RK3308=y
+CONFIG_SPL_STACK_R_ADDR=0xc00000
+CONFIG_DEBUG_UART_BASE=0xFF0C0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART=y
+CONFIG_ANDROID_BOOT_IMAGE=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_BOOTDELAY=0
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL_STACK_R=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPT=y
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_ITEST is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_MISC is not set
+# CONFIG_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
+CONFIG_EFI_PARTITION_ENTRIES_NUMBERS=64
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_DEFAULT_DEVICE_TREE="rk3308-evb"
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+# CONFIG_USB_FUNCTION_FASTBOOT is not set
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM=y
+CONFIG_DM_RESET=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_SYSRESET=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_LZ4=y
+CONFIG_LZO=y
+CONFIG_ERRNO_STR=y
+# CONFIG_EFI_LOADER is not set

include/configs/evb_rk3308.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) Copyright 2018 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __EVB_RK3308_H
+#define __EVB_RK3308_H
+
+#include <configs/rk3308_common.h>
+
+#define CONFIG_SUPPORT_EMMC_RPMB
+#define CONFIG_SYS_MMC_ENV_DEV 0
+
+#define ROCKCHIP_DEVICE_SETTINGS \
+			"stdout=serial,vidconsole\0" \
+			"stderr=serial,vidconsole\0"
+#undef CONFIG_CONSOLE_SCROLL_LINES
+#define CONFIG_CONSOLE_SCROLL_LINES            10
+
+#endif