mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 12:03:39 +00:00
7fe32b3442
Instead of a special function, send an event after driver model is inited and adjust the boards which use this function. Signed-off-by: Simon Glass <sjg@chromium.org>
145 lines
3.1 KiB
C
145 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2018 Google, Inc
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <debug_uart.h>
|
|
#include <dm.h>
|
|
#include <hang.h>
|
|
#include <image.h>
|
|
#include <init.h>
|
|
#include <log.h>
|
|
#include <spl.h>
|
|
#include <asm/cpu.h>
|
|
#include <asm/global_data.h>
|
|
#include <asm/mtrr.h>
|
|
#include <asm/processor.h>
|
|
#include <asm-generic/sections.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int x86_tpl_init(void)
|
|
{
|
|
int ret;
|
|
|
|
debug("%s starting\n", __func__);
|
|
ret = x86_cpu_init_tpl();
|
|
if (ret) {
|
|
debug("%s: x86_cpu_init_tpl() failed\n", __func__);
|
|
return ret;
|
|
}
|
|
ret = spl_init();
|
|
if (ret) {
|
|
debug("%s: spl_init() failed\n", __func__);
|
|
return ret;
|
|
}
|
|
ret = arch_cpu_init();
|
|
if (ret) {
|
|
debug("%s: arch_cpu_init() failed\n", __func__);
|
|
return ret;
|
|
}
|
|
preloader_console_init();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void board_init_f(ulong flags)
|
|
{
|
|
int ret;
|
|
|
|
ret = x86_tpl_init();
|
|
if (ret) {
|
|
debug("Error %d\n", ret);
|
|
panic("x86_tpl_init fail");
|
|
}
|
|
|
|
/* Uninit CAR and jump to board_init_f_r() */
|
|
board_init_r(gd, 0);
|
|
}
|
|
|
|
void board_init_f_r(void)
|
|
{
|
|
/* Not used since we never call board_init_f_r_trampoline() */
|
|
while (1);
|
|
}
|
|
|
|
u32 spl_boot_device(void)
|
|
{
|
|
return IS_ENABLED(CONFIG_CHROMEOS_VBOOT) ? BOOT_DEVICE_CROS_VBOOT :
|
|
BOOT_DEVICE_SPI_MMAP;
|
|
}
|
|
|
|
int spl_start_uboot(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void spl_board_announce_boot_device(void)
|
|
{
|
|
printf("SPI flash");
|
|
}
|
|
|
|
static int spl_board_load_image(struct spl_image_info *spl_image,
|
|
struct spl_boot_device *bootdev)
|
|
{
|
|
spl_image->size = CONFIG_SYS_MONITOR_LEN; /* We don't know SPL size */
|
|
spl_image->entry_point = CONFIG_SPL_TEXT_BASE;
|
|
spl_image->load_addr = CONFIG_SPL_TEXT_BASE;
|
|
spl_image->os = IH_OS_U_BOOT;
|
|
spl_image->name = "U-Boot";
|
|
|
|
debug("Loading to %lx\n", spl_image->load_addr);
|
|
|
|
return 0;
|
|
}
|
|
SPL_LOAD_IMAGE_METHOD("SPI", 5, BOOT_DEVICE_SPI_MMAP, spl_board_load_image);
|
|
|
|
int spl_spi_load_image(void)
|
|
{
|
|
return -EPERM;
|
|
}
|
|
|
|
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
|
|
{
|
|
debug("Jumping to %s at %lx\n", spl_phase_name(spl_next_phase()),
|
|
(ulong)spl_image->entry_point);
|
|
#ifdef DEBUG
|
|
print_buffer(spl_image->entry_point, (void *)spl_image->entry_point, 1,
|
|
0x20, 0);
|
|
#endif
|
|
jump_to_spl(spl_image->entry_point);
|
|
hang();
|
|
}
|
|
|
|
void spl_board_init(void)
|
|
{
|
|
preloader_console_init();
|
|
}
|
|
|
|
#if !CONFIG_IS_ENABLED(PCI)
|
|
/*
|
|
* This is a fake PCI bus for TPL when it doesn't have proper PCI. It is enough
|
|
* to bind the devices on the PCI bus, some of which have early-regs properties
|
|
* providing fixed BARs. Individual drivers program these BARs themselves so
|
|
* that they can access the devices. The BARs are allocated statically in the
|
|
* device tree.
|
|
*
|
|
* Once SPL is running it enables PCI properly, but does not auto-assign BARs
|
|
* for devices, so the TPL BARs continue to be used. Once U-Boot starts it does
|
|
* the auto allocation (after relocation).
|
|
*/
|
|
#if CONFIG_IS_ENABLED(OF_REAL)
|
|
static const struct udevice_id tpl_fake_pci_ids[] = {
|
|
{ .compatible = "pci-x86" },
|
|
{ }
|
|
};
|
|
#endif
|
|
|
|
U_BOOT_DRIVER(pci_x86) = {
|
|
.name = "pci_x86",
|
|
.id = UCLASS_SIMPLE_BUS,
|
|
.of_match = of_match_ptr(tpl_fake_pci_ids),
|
|
DM_PHASE(tpl)
|
|
};
|
|
#endif
|