upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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540 lines
13 KiB
540 lines
13 KiB
/*
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* (C) Copyright 2000-2009
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Boot support
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*/
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#include <common.h>
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#include <bootm.h>
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#include <command.h>
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#include <environment.h>
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#include <errno.h>
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#include <image.h>
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#include <malloc.h>
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#include <nand.h>
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#include <asm/byteorder.h>
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#include <linux/ctype.h>
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#include <linux/err.h>
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#include <u-boot/zlib.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_CMD_IMI)
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static int image_info(unsigned long addr);
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#endif
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#if defined(CONFIG_CMD_IMLS)
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#include <flash.h>
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#include <mtd/cfi_flash.h>
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extern flash_info_t flash_info[]; /* info for FLASH chips */
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#endif
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#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
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static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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#endif
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/* we overload the cmd field with our state machine info instead of a
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* function pointer */
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static cmd_tbl_t cmd_bootm_sub[] = {
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U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
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U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
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#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
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U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
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#endif
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#ifdef CONFIG_OF_LIBFDT
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U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
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#endif
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U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
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U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
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U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
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U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
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U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
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};
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static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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int ret = 0;
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long state;
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cmd_tbl_t *c;
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c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
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argc--; argv++;
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if (c) {
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state = (long)c->cmd;
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if (state == BOOTM_STATE_START)
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state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
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} else {
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/* Unrecognized command */
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return CMD_RET_USAGE;
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}
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if (((state & BOOTM_STATE_START) != BOOTM_STATE_START) &&
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images.state >= state) {
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printf("Trying to execute a command out of order\n");
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return CMD_RET_USAGE;
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}
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ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
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return ret;
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}
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/*******************************************************************/
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/* bootm - boot application image from image in memory */
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/*******************************************************************/
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int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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#ifdef CONFIG_NEEDS_MANUAL_RELOC
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static int relocated = 0;
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if (!relocated) {
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int i;
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/* relocate names of sub-command table */
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for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
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cmd_bootm_sub[i].name += gd->reloc_off;
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relocated = 1;
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}
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#endif
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/* determine if we have a sub command */
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argc--; argv++;
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if (argc > 0) {
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char *endp;
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simple_strtoul(argv[0], &endp, 16);
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/* endp pointing to NULL means that argv[0] was just a
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* valid number, pass it along to the normal bootm processing
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*
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* If endp is ':' or '#' assume a FIT identifier so pass
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* along for normal processing.
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*
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* Right now we assume the first arg should never be '-'
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*/
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if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
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return do_bootm_subcommand(cmdtp, flag, argc, argv);
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}
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return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
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BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
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BOOTM_STATE_LOADOS |
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#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
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BOOTM_STATE_RAMDISK |
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#endif
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#if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
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BOOTM_STATE_OS_CMDLINE |
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#endif
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BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
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BOOTM_STATE_OS_GO, &images, 1);
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}
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int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
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{
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const char *ep = env_get("autostart");
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if (ep && !strcmp(ep, "yes")) {
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char *local_args[2];
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local_args[0] = (char *)cmd;
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local_args[1] = NULL;
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printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
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return do_bootm(cmdtp, 0, 1, local_args);
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}
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return 0;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char bootm_help_text[] =
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"[addr [arg ...]]\n - boot application image stored in memory\n"
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"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
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"\t'arg' can be the address of an initrd image\n"
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#if defined(CONFIG_OF_LIBFDT)
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"\tWhen booting a Linux kernel which requires a flat device-tree\n"
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"\ta third argument is required which is the address of the\n"
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"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
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"\tuse a '-' for the second argument. If you do not pass a third\n"
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"\ta bd_info struct will be passed instead\n"
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#endif
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#if defined(CONFIG_FIT)
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"\t\nFor the new multi component uImage format (FIT) addresses\n"
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"\tmust be extended to include component or configuration unit name:\n"
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"\taddr:<subimg_uname> - direct component image specification\n"
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"\taddr#<conf_uname> - configuration specification\n"
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"\tUse iminfo command to get the list of existing component\n"
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"\timages and configurations.\n"
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#endif
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"\nSub-commands to do part of the bootm sequence. The sub-commands "
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"must be\n"
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"issued in the order below (it's ok to not issue all sub-commands):\n"
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"\tstart [addr [arg ...]]\n"
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"\tloados - load OS image\n"
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#if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
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"\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
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#endif
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#if defined(CONFIG_OF_LIBFDT)
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"\tfdt - relocate flat device tree\n"
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#endif
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"\tcmdline - OS specific command line processing/setup\n"
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"\tbdt - OS specific bd_t processing\n"
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"\tprep - OS specific prep before relocation or go\n"
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#if defined(CONFIG_TRACE)
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"\tfake - OS specific fake start without go\n"
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#endif
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"\tgo - start OS";
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#endif
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U_BOOT_CMD(
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bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
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"boot application image from memory", bootm_help_text
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);
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/*******************************************************************/
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/* bootd - boot default image */
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/*******************************************************************/
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#if defined(CONFIG_CMD_BOOTD)
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int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return run_command(env_get("bootcmd"), flag);
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}
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U_BOOT_CMD(
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boot, 1, 1, do_bootd,
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"boot default, i.e., run 'bootcmd'",
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""
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);
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/* keep old command name "bootd" for backward compatibility */
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U_BOOT_CMD(
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bootd, 1, 1, do_bootd,
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"boot default, i.e., run 'bootcmd'",
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""
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);
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#endif
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/*******************************************************************/
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/* iminfo - print header info for a requested image */
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/*******************************************************************/
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#if defined(CONFIG_CMD_IMI)
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static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int arg;
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ulong addr;
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int rcode = 0;
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if (argc < 2) {
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return image_info(load_addr);
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}
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for (arg = 1; arg < argc; ++arg) {
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addr = simple_strtoul(argv[arg], NULL, 16);
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if (image_info(addr) != 0)
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rcode = 1;
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}
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return rcode;
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}
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static int image_info(ulong addr)
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{
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void *hdr = (void *)addr;
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printf("\n## Checking Image at %08lx ...\n", addr);
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switch (genimg_get_format(hdr)) {
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#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
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case IMAGE_FORMAT_LEGACY:
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puts(" Legacy image found\n");
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if (!image_check_magic(hdr)) {
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puts(" Bad Magic Number\n");
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return 1;
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}
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if (!image_check_hcrc(hdr)) {
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puts(" Bad Header Checksum\n");
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return 1;
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}
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image_print_contents(hdr);
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puts(" Verifying Checksum ... ");
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if (!image_check_dcrc(hdr)) {
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puts(" Bad Data CRC\n");
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return 1;
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}
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puts("OK\n");
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return 0;
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#endif
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#if defined(CONFIG_ANDROID_BOOT_IMAGE)
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case IMAGE_FORMAT_ANDROID:
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puts(" Android image found\n");
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android_print_contents(hdr);
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return 0;
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#endif
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#if defined(CONFIG_FIT)
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case IMAGE_FORMAT_FIT:
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puts(" FIT image found\n");
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if (!fit_check_format(hdr)) {
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puts("Bad FIT image format!\n");
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return 1;
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}
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fit_print_contents(hdr);
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if (!fit_all_image_verify(hdr)) {
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puts("Bad hash in FIT image!\n");
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return 1;
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}
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return 0;
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#endif
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default:
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puts("Unknown image format!\n");
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break;
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}
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return 1;
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}
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U_BOOT_CMD(
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iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
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"print header information for application image",
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"addr [addr ...]\n"
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" - print header information for application image starting at\n"
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" address 'addr' in memory; this includes verification of the\n"
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" image contents (magic number, header and payload checksums)"
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);
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#endif
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/*******************************************************************/
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/* imls - list all images found in flash */
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/*******************************************************************/
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#if defined(CONFIG_CMD_IMLS)
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static int do_imls_nor(void)
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{
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flash_info_t *info;
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int i, j;
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void *hdr;
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for (i = 0, info = &flash_info[0];
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i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
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if (info->flash_id == FLASH_UNKNOWN)
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goto next_bank;
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for (j = 0; j < info->sector_count; ++j) {
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hdr = (void *)info->start[j];
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if (!hdr)
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goto next_sector;
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switch (genimg_get_format(hdr)) {
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#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
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case IMAGE_FORMAT_LEGACY:
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if (!image_check_hcrc(hdr))
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goto next_sector;
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printf("Legacy Image at %08lX:\n", (ulong)hdr);
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image_print_contents(hdr);
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puts(" Verifying Checksum ... ");
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if (!image_check_dcrc(hdr)) {
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puts("Bad Data CRC\n");
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} else {
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puts("OK\n");
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}
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break;
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#endif
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#if defined(CONFIG_FIT)
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case IMAGE_FORMAT_FIT:
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if (!fit_check_format(hdr))
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goto next_sector;
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printf("FIT Image at %08lX:\n", (ulong)hdr);
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fit_print_contents(hdr);
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break;
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#endif
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default:
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goto next_sector;
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}
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next_sector: ;
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}
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next_bank: ;
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}
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return 0;
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}
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#endif
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#if defined(CONFIG_CMD_IMLS_NAND)
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static int nand_imls_legacyimage(struct mtd_info *mtd, int nand_dev,
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loff_t off, size_t len)
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{
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void *imgdata;
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int ret;
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imgdata = malloc(len);
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if (!imgdata) {
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printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
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nand_dev, off);
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printf(" Low memory(cannot allocate memory for image)\n");
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return -ENOMEM;
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}
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ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
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if (ret < 0 && ret != -EUCLEAN) {
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free(imgdata);
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return ret;
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}
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if (!image_check_hcrc(imgdata)) {
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free(imgdata);
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return 0;
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}
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printf("Legacy Image at NAND device %d offset %08llX:\n",
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nand_dev, off);
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image_print_contents(imgdata);
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puts(" Verifying Checksum ... ");
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if (!image_check_dcrc(imgdata))
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puts("Bad Data CRC\n");
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else
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puts("OK\n");
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free(imgdata);
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return 0;
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}
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static int nand_imls_fitimage(struct mtd_info *mtd, int nand_dev, loff_t off,
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size_t len)
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{
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void *imgdata;
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int ret;
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imgdata = malloc(len);
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if (!imgdata) {
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printf("May be a FIT Image at NAND device %d offset %08llX:\n",
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nand_dev, off);
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printf(" Low memory(cannot allocate memory for image)\n");
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return -ENOMEM;
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}
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ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
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if (ret < 0 && ret != -EUCLEAN) {
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free(imgdata);
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return ret;
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}
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if (!fit_check_format(imgdata)) {
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free(imgdata);
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return 0;
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}
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printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
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fit_print_contents(imgdata);
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free(imgdata);
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return 0;
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}
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static int do_imls_nand(void)
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{
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struct mtd_info *mtd;
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int nand_dev = nand_curr_device;
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size_t len;
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loff_t off;
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u32 buffer[16];
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if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
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puts("\nNo NAND devices available\n");
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return -ENODEV;
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}
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printf("\n");
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for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
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mtd = get_nand_dev_by_index(nand_dev);
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if (!mtd->name || !mtd->size)
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continue;
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for (off = 0; off < mtd->size; off += mtd->erasesize) {
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const image_header_t *header;
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int ret;
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if (nand_block_isbad(mtd, off))
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continue;
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len = sizeof(buffer);
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ret = nand_read(mtd, off, &len, (u8 *)buffer);
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if (ret < 0 && ret != -EUCLEAN) {
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printf("NAND read error %d at offset %08llX\n",
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ret, off);
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continue;
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}
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switch (genimg_get_format(buffer)) {
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#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
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case IMAGE_FORMAT_LEGACY:
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header = (const image_header_t *)buffer;
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len = image_get_image_size(header);
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nand_imls_legacyimage(mtd, nand_dev, off, len);
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break;
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#endif
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#if defined(CONFIG_FIT)
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case IMAGE_FORMAT_FIT:
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len = fit_get_size(buffer);
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nand_imls_fitimage(mtd, nand_dev, off, len);
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break;
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#endif
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}
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}
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}
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return 0;
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}
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#endif
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#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
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static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int ret_nor = 0, ret_nand = 0;
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#if defined(CONFIG_CMD_IMLS)
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ret_nor = do_imls_nor();
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#endif
|
|
|
|
#if defined(CONFIG_CMD_IMLS_NAND)
|
|
ret_nand = do_imls_nand();
|
|
#endif
|
|
|
|
if (ret_nor)
|
|
return ret_nor;
|
|
|
|
if (ret_nand)
|
|
return ret_nand;
|
|
|
|
return (0);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
imls, 1, 1, do_imls,
|
|
"list all images found in flash",
|
|
"\n"
|
|
" - Prints information about all images found at sector/block\n"
|
|
" boundaries in nor/nand flash."
|
|
);
|
|
#endif
|
|
|