diff options
Diffstat (limited to 'board/firefly/roc-pc-rk3399/roc-pc-rk3399.c')
| -rw-r--r-- | board/firefly/roc-pc-rk3399/roc-pc-rk3399.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c new file mode 100644 index 0000000000..de9185a7ce --- /dev/null +++ b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2016 Rockchip Electronics Co., Ltd + */ + +#include <common.h> +#include <dm.h> +#include <asm/arch-rockchip/periph.h> +#include <power/regulator.h> +#include <spl_gpio.h> +#include <asm/io.h> +#include <asm/arch-rockchip/gpio.h> +#include <asm/arch-rockchip/grf_rk3399.h> + +#ifndef CONFIG_SPL_BUILD +int board_early_init_f(void) +{ + struct udevice *regulator; + int ret; + + ret = regulator_get_by_platname("vcc5v0_host", ®ulator); + if (ret) { + debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret); + goto out; + } + + ret = regulator_set_enable(regulator, true); + if (ret) + debug("%s vcc5v0-host-en set fail! ret %d\n", __func__, ret); +out: + return 0; +} +#endif + +#if defined(CONFIG_TPL_BUILD) + +#define PMUGRF_BASE 0xff320000 +#define GPIO0_BASE 0xff720000 + +int board_early_init_f(void) +{ + struct rockchip_gpio_regs * const gpio0 = (void *)GPIO0_BASE; + struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE; + + /** + * 1. Glow yellow LED, termed as low power + * 2. Poll for on board power key press + * 3. Once 2 done, off yellow and glow red LED, termed as full power + * 4. Continue booting... + */ + 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); + spl_gpio_output(gpio0, GPIO(BANK_B, 5), 1); + + return 0; +} +#endif |