diff options
author | 2023-10-10 14:33:42 +0000 | |
---|---|---|
committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c')
-rw-r--r-- | roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c b/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c new file mode 100644 index 000000000..deeba3084 --- /dev/null +++ b/roms/u-boot/board/theobroma-systems/puma_rk3399/puma-rk3399.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH + */ + +#include <common.h> +#include <dm.h> +#include <env.h> +#include <init.h> +#include <log.h> +#include <misc.h> +#include <spl.h> +#include <syscon.h> +#include <u-boot/crc.h> +#include <usb.h> +#include <dm/pinctrl.h> +#include <dm/uclass-internal.h> +#include <asm/io.h> +#include <asm/setup.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/hardware.h> +#include <asm/arch-rockchip/grf_rk3399.h> +#include <asm/arch-rockchip/periph.h> +#include <asm/arch-rockchip/misc.h> +#include <power/regulator.h> +#include <u-boot/sha256.h> + +static void setup_iodomain(void) +{ + const u32 GRF_IO_VSEL_GPIO4CD_SHIFT = 3; + struct rk3399_grf_regs *grf = + syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + /* + * Set bit 3 in GRF_IO_VSEL so PCIE_RST# works (pin GPIO4_C6). + * Linux assumes that PCIE_RST# works out of the box as it probes + * PCIe before loading the iodomain driver. + */ + rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_GPIO4CD_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; +} + +int misc_init_r(void) +{ + const u32 cpuid_offset = 0x7; + const u32 cpuid_length = 0x10; + u8 cpuid[cpuid_length]; + int ret; + + 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; + + ret = rockchip_setup_macaddr(); + if (ret) + return ret; + + setup_iodomain(); + setup_boottargets(); + + return 0; +} + +#ifdef CONFIG_SERIAL_TAG +void get_board_serial(struct tag_serialnr *serialnr) +{ + char *serial_string; + u64 serial = 0; + + serial_string = env_get("serial#"); + + if (serial_string) + serial = simple_strtoull(serial_string, NULL, 16); + + serialnr->high = (u32)(serial >> 32); + serialnr->low = (u32)(serial & 0xffffffff); +} +#endif |