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 = setup_led();
if (ret) {
debug("LED ret=%d\n", ret);
hang();
}
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("%s: Cannot find pinctrl device\n", __func__);
goto err;
}
#ifdef CONFIG_SPL_MMC_SUPPORT
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
if (ret) {
debug("%s: Failed to set up SD card\n", __func__);
goto err;
}
ret = configure_emmc(pinctrl);
if (ret) {
debug("%s: Failed to set up eMMC\n", __func__);
goto err;
}
#endif
/* 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();
#if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
#endif
return;
err:
printf("spl_board_init: Error %d\n", ret);
/* No way to report error here */
hang();
}
int board_init(void)
{
#if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
struct udevice *pinctrl;
int ret;
/*
* We need to implement sdcard iomux here for the further
* initialization, otherwise, it'll hit sdcard command sending
* timeout exception.
*/
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("%s: Cannot find pinctrl device\n", __func__);
goto err;
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
if (ret) {
debug("%s: Failed to set up SD card\n", __func__);
goto err;
}
return 0;
err:
printf("board_init: Error %d\n", ret);
/* No way to report error here */
hang();
return -1;
#else
return 0;
#endif
}
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();
}
void board_init_f(ulong dummy)
{
struct udevice *pinctrl;
struct udevice *dev;
int ret;
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
/* Set up our preloader console */
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
pr_err("%s: pinctrl init failed: %d\n", __func__, ret);
hang();
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART0);
if (ret) {
pr_err("%s: failed to set up console UART\n", __func__);
hang();
}
preloader_console_init();
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return;
}
}
int board_init(void)
{
#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM
struct udevice *pinctrl;
int ret;
/*
* We need to implement sdcard iomux here for the further
* initlization, otherwise, it'll hit sdcard command sending
* timeout exception.
*/
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("%s: Cannot find pinctrl device\n", __func__);
goto err;
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
if (ret) {
debug("%s: Failed to set up SD card\n", __func__);
goto err;
}
return 0;
err:
printf("board_init: Error %d\n", ret);
/* No way to report error here */
hang();
return -1;
#else
int ret;
/* We do some SoC one time setting here */
if (!fdt_node_check_compatible(gd->fdt_blob, 0, "google,veyron")) {
ret = veyron_init();
if (ret)
return ret;
}
return 0;
#endif
}
static int rockchip_i2c_probe(struct udevice *bus)
{
struct rk_i2c *priv = dev_get_priv(bus);
struct rk_i2c_soc_data *soc_data;
struct udevice *pinctrl;
int bus_nr;
int ret;
priv->regs = dev_read_addr_ptr(bus);
soc_data = (struct rk_i2c_soc_data*)dev_get_driver_data(bus);
if (soc_data->controller_type == RK_I2C_LEGACY) {
ret = dev_read_alias_seq(bus, &bus_nr);
if (ret < 0) {
debug("%s: Could not get alias for %s: %d\n",
__func__, bus->name, ret);
return ret;
}
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("%s: Cannot find pinctrl device\n", __func__);
return ret;
}
/* pinctrl will switch I2C to new type */
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_I2C0 + bus_nr);
if (ret) {
debug("%s: Failed to switch I2C to new type %s: %d\n",
__func__, bus->name, ret);
return ret;
}
}
return 0;
}
static int configure_emmc(struct udevice *pinctrl)
{
#if defined(CONFIG_TARGET_CHROMEBOOK_JERRY)
struct gpio_desc desc;
int ret;
pinctrl_request_noflags(pinctrl, PERIPH_ID_EMMC);
/*
* TODO([email protected]): Pick this up from device tree or perhaps
* use the EMMC_PWREN setting.
*/
ret = dm_gpio_lookup_name("D9", &desc);
if (ret) {
debug("gpio ret=%d\n", ret);
return ret;
}
ret = dm_gpio_request(&desc, "emmc_pwren");
if (ret) {
debug("gpio_request ret=%d\n", ret);
return ret;
}
ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
if (ret) {
debug("gpio dir ret=%d\n", ret);
return ret;
}
ret = dm_gpio_set_value(&desc, 1);
if (ret) {
debug("gpio value ret=%d\n", ret);
return ret;
}
#endif
return 0;
}
