mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-06 03:06:16 +09:00
db41d65a97
At present panic() is in the vsprintf.h header file. That does not seem like an obvious choice for hang(), even though it relates to panic(). So let's put hang() in its own header. Signed-off-by: Simon Glass <sjg@chromium.org> [trini: Migrate a few more files] Signed-off-by: Tom Rini <trini@konsulko.com>
140 lines
3.0 KiB
C
140 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2011 Andes Technology Corporation
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* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
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* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
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* Rick Chen, Andes Technology Corporation <rick@andestech.com>
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*/
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#include <common.h>
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#include <command.h>
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#include <dm.h>
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#include <fdt_support.h>
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#include <hang.h>
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#include <dm/root.h>
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#include <image.h>
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#include <asm/byteorder.h>
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#include <asm/csr.h>
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#include <asm/smp.h>
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#include <dm/device.h>
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#include <dm/root.h>
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#include <u-boot/zlib.h>
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DECLARE_GLOBAL_DATA_PTR;
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__weak void board_quiesce_devices(void)
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{
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}
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int arch_fixup_fdt(void *blob)
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{
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return 0;
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}
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/**
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* announce_and_cleanup() - Print message and prepare for kernel boot
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*
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* @fake: non-zero to do everything except actually boot
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*/
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static void announce_and_cleanup(int fake)
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{
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printf("\nStarting kernel ...%s\n\n", fake ?
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"(fake run for tracing)" : "");
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bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
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#ifdef CONFIG_BOOTSTAGE_FDT
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bootstage_fdt_add_report();
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#endif
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#ifdef CONFIG_BOOTSTAGE_REPORT
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bootstage_report();
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#endif
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#ifdef CONFIG_USB_DEVICE
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udc_disconnect();
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#endif
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board_quiesce_devices();
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/*
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* Call remove function of all devices with a removal flag set.
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* This may be useful for last-stage operations, like cancelling
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* of DMA operation or releasing device internal buffers.
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*/
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dm_remove_devices_flags(DM_REMOVE_ACTIVE_ALL);
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cleanup_before_linux();
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}
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static void boot_prep_linux(bootm_headers_t *images)
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{
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if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
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#ifdef CONFIG_OF_LIBFDT
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debug("using: FDT\n");
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if (image_setup_linux(images)) {
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printf("FDT creation failed! hanging...");
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hang();
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}
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#endif
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} else {
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printf("Device tree not found or missing FDT support\n");
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hang();
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}
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}
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static void boot_jump_linux(bootm_headers_t *images, int flag)
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{
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void (*kernel)(ulong hart, void *dtb);
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int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
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#ifdef CONFIG_SMP
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int ret;
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#endif
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kernel = (void (*)(ulong, void *))images->ep;
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bootstage_mark(BOOTSTAGE_ID_RUN_OS);
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debug("## Transferring control to kernel (at address %08lx) ...\n",
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(ulong)kernel);
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announce_and_cleanup(fake);
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if (!fake) {
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if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
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#ifdef CONFIG_SMP
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ret = smp_call_function(images->ep,
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(ulong)images->ft_addr, 0, 0);
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if (ret)
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hang();
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#endif
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kernel(gd->arch.boot_hart, images->ft_addr);
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}
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}
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}
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int do_bootm_linux(int flag, int argc, char * const argv[],
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bootm_headers_t *images)
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{
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/* No need for those on RISC-V */
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if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
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return -1;
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if (flag & BOOTM_STATE_OS_PREP) {
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boot_prep_linux(images);
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return 0;
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}
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if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
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boot_jump_linux(images, flag);
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return 0;
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}
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boot_prep_linux(images);
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boot_jump_linux(images, flag);
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return 0;
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}
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int do_bootm_vxworks(int flag, int argc, char * const argv[],
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bootm_headers_t *images)
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{
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return do_bootm_linux(flag, argc, argv, images);
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}
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