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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2016 Rockchip Electronics Co., Ltd
- */
- #include <common.h>
- #include <dm.h>
- #include <dm/pinctrl.h>
- #include <dm/uclass-internal.h>
- #include <asm/arch-rockchip/periph.h>
- #include <power/regulator.h>
- #include <spl.h>
- int board_init(void)
- {
- struct udevice *pinctrl, *regulator;
- int ret;
- /*
- * The PWM do not have decicated interrupt number in dts and can
- * not get periph_id by pinctrl framework, so let's init them here.
- * The PWM2 and PWM3 are for pwm regulater.
- */
- ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
- if (ret) {
- debug("%s: Cannot find pinctrl device\n", __func__);
- goto out;
- }
- /* Enable pwm0 for panel backlight */
- ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0);
- if (ret) {
- debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret);
- goto out;
- }
- ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
- if (ret) {
- debug("%s PWM2 pinctrl init fail!\n", __func__);
- goto out;
- }
- ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3);
- if (ret) {
- debug("%s PWM3 pinctrl init fail!\n", __func__);
- goto out;
- }
- ret = regulators_enable_boot_on(false);
- if (ret)
- debug("%s: Cannot enable boot on regulator\n", __func__);
- 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!\n", __func__);
- goto out;
- }
- out:
- return 0;
- }
- void spl_board_init(void)
- {
- struct udevice *pinctrl;
- int ret;
- ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
- if (ret) {
- debug("%s: Cannot find pinctrl device\n", __func__);
- goto err;
- }
- /* Enable debug UART */
- ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
- if (ret) {
- debug("%s: Failed to set up console UART\n", __func__);
- goto err;
- }
- preloader_console_init();
- return;
- err:
- printf("%s: Error %d\n", __func__, ret);
- /* No way to report error here */
- hang();
- }
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