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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107 lines
1.8 KiB
107 lines
1.8 KiB
/*
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* (C) Copyright 2005-2008
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* Matthias Fuchs, esd GmbH Germany, matthias.fuchs@esd-electronics.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#if !defined(CONFIG_440)
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#include <asm/4xx_pci.h>
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#endif
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#if defined(CONFIG_CMD_BSP)
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#define ADDRMASK 0xfffff000
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/*
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* Command loadpci: wait for signal from host and boot image.
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*/
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int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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u32 *ptr = 0;
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int count = 0;
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int count2 = 0;
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char addr[16];
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char str[] = "\\|/-";
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u32 la, ptm1la;
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#if defined(CONFIG_440)
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ptm1la = in32r(PCIL0_PTM1LA);
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#else
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ptm1la = in32r(PTM1LA);
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#endif
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while(1) {
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/*
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* Mark sync address
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*/
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ptr = (u32 *)ptm1la;
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memset(ptr, 0, 0x20);
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*ptr = 0xffffffff;
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puts("\nWaiting for action from pci host -");
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/*
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* Wait for host to write the start address
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*/
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while (*ptr == 0xffffffff) {
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count++;
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if (!(count % 100)) {
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count2++;
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putc(0x08); /* backspace */
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putc(str[count2 % 4]);
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}
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/* Abort if ctrl-c was pressed */
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if (ctrlc()) {
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puts("\nAbort\n");
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return 0;
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}
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udelay(1000);
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}
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printf("\nGot bootcode %08x: ", *ptr);
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la = ptm1la + (*ptr & ADDRMASK);
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sprintf(addr, "%08x", la);
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switch (*ptr & ~ADDRMASK) {
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case 0:
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/*
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* Boot image via bootm
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*/
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printf("booting image at addr 0x%s ...\n", addr);
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setenv("loadaddr", addr);
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do_bootm(cmdtp, 0, 0, NULL);
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break;
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case 1:
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/*
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* Boot image via "source" command
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*/
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printf("executing script at addr 0x%s ...\n", addr);
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source(la, NULL);
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break;
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case 2:
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/*
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* Call run_cmd
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*/
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printf("running command at addr 0x%s ...\n", addr);
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run_command((char *)la, 0);
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break;
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default:
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printf("unhandled boot method\n");
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break;
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}
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}
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}
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U_BOOT_CMD(
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loadpci, 1, 1, do_loadpci,
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"Wait for pci bootcmd and boot it",
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""
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);
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#endif
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