rockchip: rk3308: Add support for ROC-RK3308-CC board

ROC-RK3308-CC is a rk3308 based board designed by
Firelfy, with eMMC and 256MB DDR3 and RTL8188 Wifi
on 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

@@ -4,6 +4,10 @@ config TARGET_EVB_RK3308
 	bool "EVB_RK3308"
 	select BOARD_LATE_INIT
 
+config TARGET_ROC_RK3308_CC
+       bool "Firefly roc-rk3308-cc"
+	select BOARD_LATE_INIT
+
 config SYS_SOC
 	default "rk3308"
 
@@ -18,5 +22,6 @@ config ROCKCHIP_BOOT_MODE_REG
 
 
 source "board/rockchip/evb_rk3308/Kconfig"
+source "board/firefly/firefly-rk3308/Kconfig"
 
 endif

board/firefly/firefly-rk3308/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_ROC_RK3308_CC
+
+config SYS_BOARD
+	default "firefly-rk3308"
+
+config SYS_VENDOR
+	default "firefly"
+
+config SYS_CONFIG_NAME
+	default "firefly_rk3308"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif

board/firefly/firefly-rk3308/MAINTAINERS

@@ -0,0 +1,5 @@
+ROC-RK3308-CC
+M:      Andy Yan <andy.yan@rock-chips.com>
+S:      Maintained
+F:      board/firefly/firefly-rk3308/roc_cc_rk3308.c
+F:      configs/roc-cc-rk3308_defconfig

board/firefly/firefly-rk3308/Makefile

@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2018 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= roc_cc_rk3308.o

board/firefly/firefly-rk3308/roc_cc_rk3308.c

@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <adc.h>
+#include <asm/io.h>
+#include <asm/arch/grf_rk3308.h>
+#include <asm/arch-rockchip/hardware.h>
+
+#if defined(CONFIG_DEBUG_UART)
+#define GRF_BASE	0xff000000
+
+enum {
+	GPIO1C7_SHIFT		= 8,
+	GPIO1C7_MASK		= GENMASK(11, 8),
+	GPIO1C7_GPIO		= 0,
+	GPIO1C7_UART1_RTSN,
+	GPIO1C7_UART2_TX_M0,
+	GPIO1C7_SPI2_MOSI,
+	GPIO1C7_JTAG_TMS,
+
+	GPIO1C6_SHIFT		= 4,
+	GPIO1C6_MASK		= GENMASK(7, 4),
+	GPIO1C6_GPIO		= 0,
+	GPIO1C6_UART1_CTSN,
+	GPIO1C6_UART2_RX_M0,
+	GPIO1C6_SPI2_MISO,
+	GPIO1C6_JTAG_TCLK,
+
+	GPIO4D3_SHIFT           = 6,
+	GPIO4D3_MASK            = GENMASK(7, 6),
+	GPIO4D3_GPIO            = 0,
+	GPIO4D3_SDMMC_D3,
+	GPIO4D3_UART2_TX_M1,
+
+	GPIO4D2_SHIFT           = 4,
+	GPIO4D2_MASK            = GENMASK(5, 4),
+	GPIO4D2_GPIO            = 0,
+	GPIO4D2_SDMMC_D2,
+	GPIO4D2_UART2_RX_M1,
+
+	UART2_IO_SEL_SHIFT	= 2,
+	UART2_IO_SEL_MASK	= GENMASK(3, 2),
+	UART2_IO_SEL_M0		= 0,
+	UART2_IO_SEL_M1,
+	UART2_IO_SEL_USB,
+};
+
+void board_debug_uart_init(void)
+{
+	static struct rk3308_grf * const grf = (void *)GRF_BASE;
+
+	/* Enable early UART2 channel m0 on the rk3308 */
+	rk_clrsetreg(&grf->soc_con5, UART2_IO_SEL_MASK,
+		     UART2_IO_SEL_M0 << UART2_IO_SEL_SHIFT);
+	rk_clrsetreg(&grf->gpio1ch_iomux,
+		     GPIO1C6_MASK | GPIO1C7_MASK,
+		     GPIO1C6_UART2_RX_M0 << GPIO1C6_SHIFT |
+		     GPIO1C7_UART2_TX_M0 << GPIO1C7_SHIFT);
+}
+#endif
+
+#define KEY_DOWN_MIN_VAL        0
+#define KEY_DOWN_MAX_VAL        30
+
+int rockchip_dnl_key_pressed(void)
+{
+	unsigned int val;
+
+	if (adc_channel_single_shot("saradc", 1, &val)) {
+		printf("%s read adc key val failed\n", __func__);
+		return false;
+	}
+
+	if (val >= KEY_DOWN_MIN_VAL && val <= KEY_DOWN_MAX_VAL)
+		return true;
+	else
+		return false;
+}

configs/roc-cc-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_ROC_RK3308_CC=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-roc-cc"
+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/firefly_rk3308.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __FIREFLY_RK3308_H
+#define __FIREFLY_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