[U-Boot] [RESEND PATCH] rockchip: add basic support for evb-rk3288 board
Kever Yang
kever.yang at rock-chips.com
Fri Jul 8 05:12:44 CEST 2016
Hi Simon,
Pls hold this patch for a moment, I have a patch to clean the board
files
which vendor is rockchip, I will send it later today.
Thanks,
- Kever
On 07/05/2016 06:06 PM, Ziyuan Xu wrote:
> evb-3288 board RK3288-based development board with 2 USB ports, HDMI,
> VGA, micro-SD card, audio, WiFi and Gigabit Ethernet. It also includes
> on-board 8G eMMC and 2GB of SDRAM. Expansion connector provide access to
> display pins, I2C, SPI, UART and GPIOs. This add some basic files
> required to allow the board to output serial messaged and can run
> command(mmc info etc).
>
> evb-rk3288 also supports booting from eMMC or SD card, the default is eMMC.
>
> Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
>
> ---
>
> arch/arm/dts/Makefile | 1 +
> arch/arm/dts/rk3288-evb.dts | 59 +++++
> arch/arm/dts/rk3288-evb.dtsi | 379 ++++++++++++++++++++++++++++++
> arch/arm/mach-rockchip/rk3288-board-spl.c | 4 +-
> arch/arm/mach-rockchip/rk3288/Kconfig | 10 +
> board/evb-rk3288/evb-rk3288/Kconfig | 15 ++
> board/evb-rk3288/evb-rk3288/MAINTAINERS | 6 +
> board/evb-rk3288/evb-rk3288/Makefile | 7 +
> board/evb-rk3288/evb-rk3288/evb-rk3288.c | 15 ++
> configs/evb-rk3288_defconfig | 67 ++++++
> doc/README.rockchip | 3 +-
> include/configs/evb-rk3288.h | 26 ++
> 12 files changed, 590 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm/dts/rk3288-evb.dts
> create mode 100644 arch/arm/dts/rk3288-evb.dtsi
> create mode 100644 board/evb-rk3288/evb-rk3288/Kconfig
> create mode 100644 board/evb-rk3288/evb-rk3288/MAINTAINERS
> create mode 100644 board/evb-rk3288/evb-rk3288/Makefile
> create mode 100644 board/evb-rk3288/evb-rk3288/evb-rk3288.c
> create mode 100644 configs/evb-rk3288_defconfig
> create mode 100644 include/configs/evb-rk3288.h
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 5d463ce..493b9da 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -31,6 +31,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
> rk3288-firefly.dtb \
> rk3288-jerry.dtb \
> rk3288-rock2-square.dtb \
> + rk3288-evb.dtb \
> rk3036-sdk.dtb
> dtb-$(CONFIG_ARCH_MESON) += \
> meson-gxbb-odroidc2.dtb
> diff --git a/arch/arm/dts/rk3288-evb.dts b/arch/arm/dts/rk3288-evb.dts
> new file mode 100644
> index 0000000..caf24ee
> --- /dev/null
> +++ b/arch/arm/dts/rk3288-evb.dts
> @@ -0,0 +1,59 @@
> +/*
> + * (C) Copyright 2016 Rockchip Electronics Co., Ltd
> + *
> + * SPDX-License-Identifier: GPL-2.0+ X11
> + */
> +
> +/dts-v1/;
> +#include "rk3288-evb.dtsi"
> +
> +/ {
> + model = "Evb-RK3288";
> + compatible = "evb-rk3288,evb-rk3288", "rockchip,rk3288";
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +};
> +
> +&dmc {
> + rockchip,num-channels = <2>;
> + rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d
> + 0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6
> + 0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0
> + 0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4
> + 0x8 0x1f4>;
> + rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076
> + 0x0 0xc3 0x6 0x2>;
> + rockchip,sdram-channel = /bits/ 8 <0x2 0xa 0x3 0x2 0x2 0x0 0xe 0xe>;
> + rockchip,sdram-params = <0x20d266a4 0x5b6 2 533000000 6 9 0>;
> +};
> +
> +&pinctrl {
> + u-boot,dm-pre-reloc;
> +};
> +
> +&pwm1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + u-boot,dm-pre-reloc;
> + reg-shift = <2>;
> +};
> +
> +&sdmmc {
> + u-boot,dm-pre-reloc;
> +};
> +
> +&emmc {
> + u-boot,dm-pre-reloc;
> +};
> +
> +&gpio3 {
> + u-boot,dm-pre-reloc;
> +};
> +
> +&gpio8 {
> + u-boot,dm-pre-reloc;
> +};
> diff --git a/arch/arm/dts/rk3288-evb.dtsi b/arch/arm/dts/rk3288-evb.dtsi
> new file mode 100644
> index 0000000..cb7d03e
> --- /dev/null
> +++ b/arch/arm/dts/rk3288-evb.dtsi
> @@ -0,0 +1,379 @@
> +/*
> + * (C) Copyright 2016 Rockchip Electronics Co., Ltd
> + *
> + * SPDX-License-Identifier: GPL-2.0+ X11
> + */
> +
> +#include "rk3288.dtsi"
> +
> +/ {
> + memory {
> + reg = <0 0x80000000>;
> + };
> +
> + keys: gpio-keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + button at 0 {
> + gpio-key,wakeup = <1>;
> + gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
> + label = "GPIO Power";
> + linux,code = <116>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwr_key>;
> + };
> + };
> +
> + vcc_sys: vsys-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_sys";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + vcc_flash: flash-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_flash";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + vin-supply = <&vcc_io>;
> + };
> +
> + vcc_5v: usb-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_5v";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + vin-supply = <&vcc_sys>;
> + };
> +
> + vcc_host_5v: usb-host-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&host_vbus_drv>;
> + regulator-name = "vcc_host_5v";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + vin-supply = <&vcc_5v>;
> + };
> +
> + vcc_otg_5v: usb-otg-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&otg_vbus_drv>;
> + regulator-name = "vcc_otg_5v";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + vin-supply = <&vcc_5v>;
> + };
> +};
> +
> +&cpu0 {
> + cpu0-supply = <&vdd_cpu>;
> +};
> +
> +&emmc {
> + broken-cd;
> + bus-width = <8>;
> + cap-mmc-highspeed;
> + disable-wp;
> + non-removable;
> + num-slots = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&emmc_clk>, <&emmc_cmd>, <&emmc_pwr>, <&emmc_bus8>;
> + vmmc-supply = <&vcc_io>;
> + vqmmc-supply = <&vcc_flash>;
> + status = "okay";
> +};
> +
> +&hdmi {
> + ddc-i2c-bus = <&i2c5>;
> + status = "okay";
> +};
> +
> +&i2c0 {
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + vdd_cpu: syr827 at 40 {
> + compatible = "silergy,syr827";
> + fcs,suspend-voltage-selector = <1>;
> + reg = <0x40>;
> + regulator-name = "vdd_cpu";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + regulator-boot-on;
> + vin-supply = <&vcc_sys>;
> + };
> +
> + vdd_gpu: syr828 at 41 {
> + compatible = "silergy,syr828";
> + fcs,suspend-voltage-selector = <1>;
> + reg = <0x41>;
> + regulator-name = "vdd_gpu";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + vin-supply = <&vcc_sys>;
> + };
> +
> + hym8563: hym8563 at 51 {
> + compatible = "haoyu,hym8563";
> + reg = <0x51>;
> + #clock-cells = <0>;
> + clock-frequency = <32768>;
> + clock-output-names = "xin32k";
> + interrupt-parent = <&gpio7>;
> + interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&rtc_int>;
> + };
> +
> + act8846: act8846 at 5a {
> + compatible = "active-semi,act8846";
> + reg = <0x5a>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwr_hold>;
> + system-power-controller;
> +
> + regulators {
> + vcc_ddr: REG1 {
> + regulator-name = "vcc_ddr";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + };
> +
> + vcc_io: REG2 {
> + regulator-name = "vcc_io";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vdd_log: REG3 {
> + regulator-name = "vdd_log";
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-always-on;
> + };
> +
> + vcc_20: REG4 {
> + regulator-name = "vcc_20";
> + regulator-min-microvolt = <2000000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-always-on;
> + };
> +
> + vccio_sd: REG5 {
> + regulator-name = "vccio_sd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vdd10_lcd: REG6 {
> + regulator-name = "vdd10_lcd";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + };
> +
> + vcca_codec: REG7 {
> + regulator-name = "vcca_codec";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + vcc_tp: REG8 {
> + regulator-name = "vcca_33";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + vccio_pmu: REG9 {
> + regulator-name = "vccio_pmu";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + vdd_10: REG10 {
> + regulator-name = "vdd_10";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + };
> +
> + vcc_18: REG11 {
> + regulator-name = "vcc_18";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + vcc18_lcd: REG12 {
> + regulator-name = "vcc18_lcd";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&i2c1 {
> + status = "okay";
> +};
> +
> +&i2c2 {
> + status = "okay";
> +};
> +
> +&i2c4 {
> + status = "okay";
> +};
> +
> +&i2c5 {
> + status = "okay";
> +};
> +
> +&pinctrl {
> + pcfg_output_high: pcfg-output-high {
> + output-high;
> + };
> +
> + pcfg_output_low: pcfg-output-low {
> + output-low;
> + };
> +
> + act8846 {
> + pwr_hold: pwr-hold {
> + rockchip,pins = <0 9 RK_FUNC_GPIO &pcfg_output_high>;
> + };
> + };
> +
> + hym8563 {
> + rtc_int: rtc-int {
> + rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + keys {
> + pwr_key: pwr-key {
> + rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + sdmmc {
> + sdmmc_pwr: sdmmc-pwr {
> + rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + usb_host {
> + host_vbus_drv: host-vbus-drv {
> + rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + usb_otg {
> + otg_vbus_drv: otg-vbus-drv {
> + rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +};
> +
> +&saradc {
> + vref-supply = <&vcc_18>;
> + status = "okay";
> +};
> +
> +&sdio0 {
> + broken-cd;
> + bus-width = <4>;
> + disable-wp;
> + non-removable;
> + num-slots = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdio0_bus4>, <&sdio0_cmd>, <&sdio0_clk>;
> + vmmc-supply = <&vcc_18>;
> + status = "disabled";
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + card-detect-delay = <200>;
> + disable-wp;
> + num-slots = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
> + vmmc-supply = <&vccio_sd>;
> + status = "okay";
> +};
> +
> +&spi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi0_clk>, <&spi0_cs0>, <&spi0_tx>, <&spi0_rx>, <&spi0_cs1>;
> + status = "okay";
> +};
> +
> +&uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_xfer>, <&uart0_cts>, <&uart0_rts>;
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&uart3 {
> + status = "okay";
> +};
> +
> +&usb_host1 {
> + status = "okay";
> +};
> +
> +&usb_otg {
> + status = "okay";
> +};
> +
> +&vopb {
> + status = "okay";
> +};
> +
> +&vopb_mmu {
> + status = "okay";
> +};
> +
> +&vopl {
> + status = "okay";
> +};
> +
> +&vopl_mmu {
> + status = "okay";
> +};
> +
> +&wdt {
> + status = "okay";
> +};
> diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c
> index 15f1266..773ea42 100644
> --- a/arch/arm/mach-rockchip/rk3288-board-spl.c
> +++ b/arch/arm/mach-rockchip/rk3288-board-spl.c
> @@ -114,7 +114,9 @@ static void configure_l2ctlr(void)
> #ifdef CONFIG_SPL_MMC_SUPPORT
> static int configure_emmc(struct udevice *pinctrl)
> {
> -#if !defined(CONFIG_TARGET_ROCK2) && !defined(CONFIG_TARGET_FIREFLY_RK3288)
> +#if !defined(CONFIG_TARGET_ROCK2) && !defined(CONFIG_TARGET_FIREFLY_RK3288) && \
> + !defined(CONFIG_TARGET_EVB_RK3288)
> +
> struct gpio_desc desc;
> int ret;
>
> diff --git a/arch/arm/mach-rockchip/rk3288/Kconfig b/arch/arm/mach-rockchip/rk3288/Kconfig
> index 7215624..031dbfc 100644
> --- a/arch/arm/mach-rockchip/rk3288/Kconfig
> +++ b/arch/arm/mach-rockchip/rk3288/Kconfig
> @@ -8,6 +8,14 @@ config TARGET_FIREFLY_RK3288
> also includes on-board eMMC and 1GB of SDRAM. Expansion connectors
> provide access to display pins, I2C, SPI, UART and GPIOs.
>
> +config TARGET_EVB_RK3288
> + bool "Evb-RK3288"
> + help
> + EVB-RK3288 is a RK3288-based development board with 2 USB ports,
> + HDMI, VGA, micro-SD card, audio, WiFi and Gigabit Ethernet, It
> + also includes on-board eMMC and 2GB of SDRAM. Expansion connectors
> + provide access to display pins, I2C, SPI, UART and GPIOs.
> +
> config TARGET_CHROMEBOOK_JERRY
> bool "Google/Rockchip Veyron-Jerry Chromebook"
> help
> @@ -45,4 +53,6 @@ source "board/firefly/firefly-rk3288/Kconfig"
>
> source "board/radxa/rock2/Kconfig"
>
> +source "board/evb-rk3288/evb-rk3288/Kconfig"
> +
> endif
> diff --git a/board/evb-rk3288/evb-rk3288/Kconfig b/board/evb-rk3288/evb-rk3288/Kconfig
> new file mode 100644
> index 0000000..b201acb
> --- /dev/null
> +++ b/board/evb-rk3288/evb-rk3288/Kconfig
> @@ -0,0 +1,15 @@
> +if TARGET_EVB_RK3288
> +
> +config SYS_BOARD
> + default "evb-rk3288"
> +
> +config SYS_VENDOR
> + default "evb-rk3288"
> +
> +config SYS_CONFIG_NAME
> + default "evb-rk3288"
> +
> +config BOARD_SPECIFIC_OPTIONS # dummy
> + def_bool y
> +
> +endif
> diff --git a/board/evb-rk3288/evb-rk3288/MAINTAINERS b/board/evb-rk3288/evb-rk3288/MAINTAINERS
> new file mode 100644
> index 0000000..222c254
> --- /dev/null
> +++ b/board/evb-rk3288/evb-rk3288/MAINTAINERS
> @@ -0,0 +1,6 @@
> +EVB-RK3288
> +M: Lin Huang <hl at rock-chips.com>
> +S: Maintained
> +F: board/evb-rk3288/evb-rk3288
> +F: include/configs/evb-rk3288.h
> +F: configs/evb-rk3288_defconfig
> diff --git a/board/evb-rk3288/evb-rk3288/Makefile b/board/evb-rk3288/evb-rk3288/Makefile
> new file mode 100644
> index 0000000..c11b657
> --- /dev/null
> +++ b/board/evb-rk3288/evb-rk3288/Makefile
> @@ -0,0 +1,7 @@
> +#
> +# (C) Copyright 2016 Rockchip Electronics Co., Ltd
> +#
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +
> +obj-y += evb-rk3288.o
> diff --git a/board/evb-rk3288/evb-rk3288/evb-rk3288.c b/board/evb-rk3288/evb-rk3288/evb-rk3288.c
> new file mode 100644
> index 0000000..a82f0ae
> --- /dev/null
> +++ b/board/evb-rk3288/evb-rk3288/evb-rk3288.c
> @@ -0,0 +1,15 @@
> +/*
> + * (C) Copyright 2016 Rockchip Electronics Co., Ltd
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <spl.h>
> +
> +void board_boot_order(u32 *spl_boot_list)
> +{
> + /* eMMC prior to sdcard. */
> + spl_boot_list[0] = BOOT_DEVICE_MMC2;
> + spl_boot_list[1] = BOOT_DEVICE_MMC1;
> +}
> diff --git a/configs/evb-rk3288_defconfig b/configs/evb-rk3288_defconfig
> new file mode 100644
> index 0000000..41cfedd
> --- /dev/null
> +++ b/configs/evb-rk3288_defconfig
> @@ -0,0 +1,67 @@
> +CONFIG_ARM=y
> +CONFIG_ARCH_ROCKCHIP=y
> +CONFIG_SYS_MALLOC_F_LEN=0x2000
> +CONFIG_ROCKCHIP_RK3288=y
> +CONFIG_TARGET_EVB_RK3288=y
> +CONFIG_SPL_STACK_R_ADDR=0x80000
> +CONFIG_DEFAULT_DEVICE_TREE="rk3288-evb"
> +CONFIG_SPL_STACK_R=y
> +CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000
> +CONFIG_HUSH_PARSER=y
> +CONFIG_CMD_BOOTZ=y
> +# CONFIG_CMD_IMLS is not set
> +CONFIG_CMD_MMC=y
> +CONFIG_CMD_SF=y
> +CONFIG_CMD_SPI=y
> +CONFIG_CMD_I2C=y
> +CONFIG_CMD_GPIO=y
> +# CONFIG_CMD_SETEXPR is not set
> +CONFIG_CMD_DHCP=y
> +CONFIG_CMD_MII=y
> +CONFIG_CMD_PING=y
> +CONFIG_CMD_CACHE=y
> +CONFIG_CMD_TIME=y
> +CONFIG_CMD_PMIC=y
> +CONFIG_CMD_REGULATOR=y
> +CONFIG_CMD_EXT2=y
> +CONFIG_CMD_EXT4=y
> +CONFIG_CMD_FAT=y
> +CONFIG_CMD_FS_GENERIC=y
> +CONFIG_SPL_OF_CONTROL=y
> +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_SPL_REGMAP=y
> +CONFIG_SYSCON=y
> +CONFIG_SPL_SYSCON=y
> +CONFIG_CLK=y
> +CONFIG_SPL_CLK=y
> +CONFIG_ROCKCHIP_GPIO=y
> +CONFIG_SYS_I2C_ROCKCHIP=y
> +CONFIG_LED=y
> +CONFIG_LED_GPIO=y
> +CONFIG_SYSRESET=y
> +CONFIG_DM_MMC=y
> +CONFIG_ROCKCHIP_DWMMC=y
> +CONFIG_PINCTRL=y
> +# CONFIG_PINCTRL_FULL is not set
> +CONFIG_SPL_PINCTRL=y
> +# CONFIG_SPL_PINCTRL_FULL is not set
> +CONFIG_ROCKCHIP_PINCTRL=y
> +CONFIG_DM_PMIC=y
> +CONFIG_PMIC_ACT8846=y
> +CONFIG_DM_REGULATOR=y
> +CONFIG_REGULATOR_ACT8846=y
> +CONFIG_DM_REGULATOR_FIXED=y
> +CONFIG_DM_PWM=y
> +CONFIG_PWM_ROCKCHIP=y
> +CONFIG_RAM=y
> +CONFIG_SPL_RAM=y
> +CONFIG_DEBUG_UART=y
> +CONFIG_DEBUG_UART_BASE=0xff690000
> +CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_DEBUG_UART_SHIFT=2
> +CONFIG_SYS_NS16550=y
> +CONFIG_USE_PRIVATE_LIBGCC=y
> +CONFIG_USE_TINY_PRINTF=y
> +CONFIG_CMD_DHRYSTONE=y
> +CONFIG_ERRNO_STR=y
> diff --git a/doc/README.rockchip b/doc/README.rockchip
> index e0572c8..f4e8348 100644
> --- a/doc/README.rockchip
> +++ b/doc/README.rockchip
> @@ -36,11 +36,12 @@ You will need:
> Building
> ========
>
> -At present three RK3288 boards are supported:
> +At present four RK3288 boards are supported:
>
> - Firefly RK3288 - use firefly-rk3288 configuration
> - Radxa Rock 2 - use rock2 configuration
> - Hisense Chromebook - use chromebook_jerry configuration
> + - EVB RK3288 - use evb-rk3288 configuration
>
> Two RK3036 board are supported:
>
> diff --git a/include/configs/evb-rk3288.h b/include/configs/evb-rk3288.h
> new file mode 100644
> index 0000000..342557f
> --- /dev/null
> +++ b/include/configs/evb-rk3288.h
> @@ -0,0 +1,26 @@
> +/*
> + * (C) Copyright 2016 Rockchip Electronics Co., Ltd
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#ifndef __CONFIG_H
> +#define __CONFIG_H
> +
> +#define ROCKCHIP_DEVICE_SETTINGS
> +#include <configs/rk3288_common.h>
> +
> +#define CONFIG_SPL_MMC_SUPPORT
> +
> +#define CONFIG_ENV_IS_IN_MMC
> +#define CONFIG_SYS_MMC_ENV_DEV 1
> +/* SPL @ 32k for ~36k
> + * ENV @ 96k
> + * u-boot @ 128K
> + */
> +#define CONFIG_ENV_OFFSET (96 * 1024)
> +
> +#define CONFIG_SYS_WHITE_ON_BLACK
> +#define CONFIG_CONSOLE_SCROLL_LINES 10
> +
> +#endif
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