[PATCH v6 5/5] rockchip: roc-rk3399-pc: Set LED only during POR and pwr_key=y
Kever Yang
kever.yang at rock-chips.com
Wed Jul 22 14:13:25 CEST 2020
On 2020/7/21 下午11:06, Jagan Teki wrote:
> ROC-RK3399-PC has specific set of configurations for
> on-board led setup.
>
> Due to easiness for user to know the state of the board
> roc-rk339-pc board code will setup the low power led
> on/off, and waiting for user to press power key and then
> glow full power led.
>
> All this needs to happen only during power-on-reset not
> for soft reset or WDT.
>
> Also, it is not a proper usage to ask the user to press
> the Power key if the board connected remotely, so add
> the environment variable 'pwr_key' to check as well.
>
> So, user need to press Power key only
> - during POR
> - pwr_key=y
>
> Tested-by: Suniel Mahesh <sunil at amarulasolutions.com>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang at rock-chips.com>
Thanks,
- Kever
> ---
> Changes for v6:
> - increase SPL _R malloc
>
> board/firefly/roc-pc-rk3399/roc-pc-rk3399.c | 38 +++++++++++++++++++--
> configs/roc-pc-mezzanine-rk3399_defconfig | 4 ++-
> configs/roc-pc-rk3399_defconfig | 4 ++-
> 3 files changed, 42 insertions(+), 4 deletions(-)
>
> diff --git a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c
> index 2b447df8aa..93e7d776fb 100644
> --- a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c
> +++ b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c
> @@ -5,11 +5,15 @@
>
> #include <common.h>
> #include <dm.h>
> +#include <env.h>
> #include <log.h>
> -#include <power/regulator.h>
> #include <spl_gpio.h>
> #include <asm/io.h>
> +#include <power/regulator.h>
> +
> +#include <asm/arch-rockchip/cru.h>
> #include <asm/arch-rockchip/gpio.h>
> +#include <asm/arch-rockchip/grf_rk3399.h>
>
> #ifndef CONFIG_SPL_BUILD
> int board_early_init_f(void)
> @@ -32,13 +36,43 @@ out:
>
> #else
>
> +#define PMUGRF_BASE 0xff320000
> #define GPIO0_BASE 0xff720000
>
> +/**
> + * LED setup for roc-rk3399-pc
> + *
> + * 1. Set the low power leds (only during POR, pwr_key env is 'y')
> + * glow yellow LED, termed as low power
> + * poll for on board power key press
> + * once powe key pressed, turn off yellow
> + * 2. Turn on red LED, indicating full power mode
> + */
> void led_setup(void)
> {
> struct rockchip_gpio_regs * const gpio0 = (void *)GPIO0_BASE;
> + struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE;
> + bool press_pwr_key = false;
> +
> + if (IS_ENABLED(CONFIG_SPL_ENV_SUPPORT)) {
> + env_init();
> + env_load();
> + if (env_get_yesno("pwr_key") == 1)
> + press_pwr_key = true;
> + }
> +
> + if (press_pwr_key && !strcmp(get_reset_cause(), "POR")) {
> + spl_gpio_output(gpio0, GPIO(BANK_A, 2), 1);
> +
> + spl_gpio_set_pull(&pmugrf->gpio0_p, GPIO(BANK_A, 5),
> + GPIO_PULL_NORMAL);
> + while (readl(&gpio0->ext_port) & 0x20)
> + ;
> +
> + spl_gpio_output(gpio0, GPIO(BANK_A, 2), 0);
> + }
>
> - /* Turn on red LED, indicating full power mode */
> spl_gpio_output(gpio0, GPIO(BANK_B, 5), 1);
> }
> +
> #endif
> diff --git a/configs/roc-pc-mezzanine-rk3399_defconfig b/configs/roc-pc-mezzanine-rk3399_defconfig
> index 15d511741f..9a01de454f 100644
> --- a/configs/roc-pc-mezzanine-rk3399_defconfig
> +++ b/configs/roc-pc-mezzanine-rk3399_defconfig
> @@ -19,7 +19,8 @@ CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-roc-pc-mezzanine.dtb"
> CONFIG_DISPLAY_BOARDINFO_LATE=y
> # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> CONFIG_SPL_STACK_R=y
> -CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
> +CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x20000
> +CONFIG_SPL_ENV_SUPPORT=y
> CONFIG_SPL_SPI_LOAD=y
> CONFIG_TPL=y
> CONFIG_CMD_BOOTZ=y
> @@ -34,6 +35,7 @@ CONFIG_DEFAULT_DEVICE_TREE="rk3399-roc-pc-mezzanine"
> CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
> CONFIG_ENV_IS_IN_SPI_FLASH=y
> CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_SPL_DM_SEQ_ALIAS=y
> CONFIG_ROCKCHIP_GPIO=y
> CONFIG_SYS_I2C_ROCKCHIP=y
> CONFIG_MISC=y
> diff --git a/configs/roc-pc-rk3399_defconfig b/configs/roc-pc-rk3399_defconfig
> index 2a6d0d22c8..6181da763d 100644
> --- a/configs/roc-pc-rk3399_defconfig
> +++ b/configs/roc-pc-rk3399_defconfig
> @@ -19,7 +19,8 @@ CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-roc-pc.dtb"
> CONFIG_DISPLAY_BOARDINFO_LATE=y
> # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> CONFIG_SPL_STACK_R=y
> -CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
> +CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x20000
> +CONFIG_SPL_ENV_SUPPORT=y
> CONFIG_SPL_SPI_LOAD=y
> CONFIG_TPL=y
> CONFIG_CMD_BOOTZ=y
> @@ -33,6 +34,7 @@ CONFIG_DEFAULT_DEVICE_TREE="rk3399-roc-pc"
> CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
> CONFIG_ENV_IS_IN_SPI_FLASH=y
> CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_SPL_DM_SEQ_ALIAS=y
> CONFIG_ROCKCHIP_GPIO=y
> CONFIG_SYS_I2C_ROCKCHIP=y
> CONFIG_MISC=y
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