mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-22 11:13:07 +00:00
c48cbb9133
With the current usb stack in u-boot, all host ports on puma work flawlessly without any additional special handling, so drop that usb hub hacking from the puma board. Tested with mass-storage and usb-ethernet on both usb3 and usb2 ports. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
// 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
|