--- /dev/null +++ board/kobol/helios64/helios64.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2020 Aditya Prayoga (aditya@kobol.io) + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sys_otp.h" + +#ifndef CONFIG_TPL_BUILD +int board_early_init_f(void) +{ +#ifdef CONFIG_SPL_BUILD +#define GPIO0_BASE 0xff720000 +#define GRF_BASE 0xff770000 + struct rk3399_grf_regs * const grf = (void *)GRF_BASE; + struct rockchip_gpio_regs * const gpio = (void *)GPIO0_BASE; + + /* Turn ON status LED. At this stage, FDT & DM is not initialized yet */ + spl_gpio_output(gpio, GPIO(BANK_B, 4), 1); +#endif + return 0; +} +#endif + +#ifndef CONFIG_SPL_BUILD +int board_early_init_r(void) +{ + read_otp_data(); + return 0; +} +#endif + +#ifdef CONFIG_MISC_INIT_R +#define GRF_IO_VSEL_BT565_SHIFT 0 +#define GRF_IO_VSEL_AUDIO_SHIFT 1 +#define GRF_IO_VSEL_SDMMC_SHIFT 2 +#define GRF_IO_VSEL_GPIO1830_SHIFT 3 + +#define PMUGRF_CON0_VSEL_SHIFT 8 +#define PMUGRF_CON0_PMU1830_VOL_SHIFT 9 +static void setup_iodomain(void) +{ + struct rk3399_grf_regs *grf = + syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + struct rk3399_pmugrf_regs *pmugrf = + syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); + + /* BT565 is in 1.8v domain */ + rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_BT565_SHIFT); + + /* AUDIO is in 1.8v domain */ + rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_AUDIO_SHIFT); + + /* SDMMC is in 3.0v domain */ + rk_setreg(&grf->io_vsel, 0 << GRF_IO_VSEL_SDMMC_SHIFT); + + /* GPIO1830 is in 3.0v domain */ + rk_setreg(&grf->io_vsel, 0 << GRF_IO_VSEL_GPIO1830_SHIFT); + + /* Set GPIO1 1.8v/3.0v source select to PMU1830_VOL */ + rk_setreg(&pmugrf->soc_con0, 1 << PMUGRF_CON0_VSEL_SHIFT); + rk_setreg(&pmugrf->soc_con0, 0 << PMUGRF_CON0_PMU1830_VOL_SHIFT); +} + +/* + * Swap mmc0 and mmc1 in boot_targets if booted from SD-Card. + * + * If bootsource is uSD-card we can assume that we want to use the + * SD-Card instead of the eMMC as first boot_target for distroboot. + * We only want to swap the defaults and not any custom environment a + * user has set. We exit early if a changed boot_targets environment + * is detected. + */ +static int setup_boottargets(void) +{ + const char *boot_device = + ofnode_read_chosen_string("u-boot,spl-boot-device"); + char *env_default, *env; + + if (!boot_device) { + debug("%s: /chosen/u-boot,spl-boot-device not set\n", + __func__); + return -1; + } + debug("%s: booted from %s\n", __func__, boot_device); + + env_default = env_get_default("boot_targets"); + env = env_get("boot_targets"); + if (!env) { + debug("%s: boot_targets does not exist\n", __func__); + return -1; + } + debug("%s: boot_targets current: %s - default: %s\n", + __func__, env, env_default); + + if (strcmp(env_default, env) != 0) { + debug("%s: boot_targets not default, don't change it\n", + __func__); + return 0; + } + + /* + * Only run, if booting from mmc1 (i.e. /mmc@fe320000) and + * only consider cases where the default boot-order first + * tries to boot from mmc0 (eMMC) and then from mmc1 + * (i.e. external SD). + * + * In other words: the SD card will be moved to earlier in the + * order, if U-Boot was also loaded from the SD-card. + */ + if (!strcmp(boot_device, "/mmc@fe320000")) { + char *mmc0, *mmc1; + + debug("%s: booted from SD-Card\n", __func__); + mmc0 = strstr(env, "mmc0"); + mmc1 = strstr(env, "mmc1"); + + if (!mmc0 || !mmc1) { + debug("%s: only one mmc boot_target found\n", __func__); + return -1; + } + + /* + * If mmc0 comes first in the boot order, we need to change + * the strings to make mmc1 first. + */ + if (mmc0 < mmc1) { + mmc0[3] = '1'; + mmc1[3] = '0'; + debug("%s: set boot_targets to: %s\n", __func__, env); + env_set("boot_targets", env); + } + } + + return 0; +} + +static void setup_leds(void) +{ + struct udevice *dev; + + led_get_by_label("helios64::status", &dev); + led_set_state(dev, LEDST_OFF); + mdelay(250); + led_set_state(dev, LEDST_ON); +} + +int misc_init_r(void) +{ + const u32 cpuid_offset = 0x7; + const u32 cpuid_length = 0x10; + u8 cpuid[cpuid_length]; + int ret; + + setup_iodomain(); + set_board_info(); + + ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid); + if (ret) + return ret; + + ret = rockchip_cpuid_set(cpuid, cpuid_length); + if (ret) + return ret; + + if (mac_read_from_otp()) + ret = rockchip_setup_macaddr(); + + setup_boottargets(); + setup_leds(); + + return ret; +} +#endif + +#ifdef CONFIG_LAST_STAGE_INIT +static void auto_power_enable(void) +{ + struct gpio_desc *enable, *clock; + + if (gpio_hog_lookup_name("AUTO_ON_EN_D", &enable)) { + debug("Fail to get AUTO_ON_EN_D\n"); + return; + } + + if (gpio_hog_lookup_name("AUTO_ON_EN_CLK", &clock)) { + debug("Fail to get AUTO_ON_EN_CLK\n"); + return; + } + + dm_gpio_set_value(enable, 1); + dm_gpio_set_value(clock, 1); + mdelay(10); + dm_gpio_set_value(clock, 0); +} + +int last_stage_init(void) +{ + auto_power_enable(); + +#ifdef CONFIG_PCI + scsi_scan(true); +#endif + + return 0; +} +#endif + +#if defined(CONFIG_DISPLAY_BOARDINFO_LATE) +int checkboard(void) +{ + int major, minor; + + printf("Revision: "); + + if (!get_revision(&major, &minor)) + printf("%i.%i - %s\n", major, minor, get_variant()); + else + printf("UNKNOWN\n"); + + return 0; +} +#endif + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, bd_t *bd) +{ + char *env; + + env = env_get("board_rev"); + if (env) + fdt_setprop_string(blob, fdt_path_offset(blob, "/"), + "kobol,board-rev", env); + + env = env_get("cpuid#"); + if (env) + fdt_setprop_string(blob, fdt_path_offset(blob, "/"), + "kobol,cpu-id", env); + + return 0; +} +#endif