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https://github.com/AsahiLinux/u-boot
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f1b97b5f18
This patch adds support for fru commands "fru capture" and "fru display". The fru capture parses the FRU table present at an address and stores in a structure for later use. The fru display prints the content of captured structured in a readable format. As of now, it supports only common header and board area of FRU. Also, it supports only English language code and ASCII8/BINARY formats. fru_data variable is placed to data section because fru parser can be called very early before bss is initialized. And also information needs to be shared that's why it is exported via header. Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* (C) Copyright 2019 - 2020 Xilinx, Inc.
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*/
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#include <common.h>
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#include <command.h>
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#include <fdtdec.h>
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#include <malloc.h>
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#include "fru.h"
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static int do_fru_capture(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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unsigned long addr;
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char *endp;
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if (argc < cmdtp->maxargs)
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return CMD_RET_USAGE;
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addr = simple_strtoul(argv[2], &endp, 16);
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if (*argv[1] == 0 || *endp != 0)
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return -1;
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return fru_capture(addr);
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}
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static int do_fru_display(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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fru_display(1);
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return CMD_RET_SUCCESS;
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}
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static struct cmd_tbl cmd_fru_sub[] = {
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U_BOOT_CMD_MKENT(capture, 3, 0, do_fru_capture, "", ""),
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U_BOOT_CMD_MKENT(display, 2, 0, do_fru_display, "", ""),
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};
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static int do_fru(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *c;
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int ret;
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if (argc < 2)
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return CMD_RET_USAGE;
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c = find_cmd_tbl(argv[1], &cmd_fru_sub[0],
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ARRAY_SIZE(cmd_fru_sub));
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if (!c)
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return CMD_RET_USAGE;
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ret = c->cmd(c, flag, argc, argv);
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return cmd_process_error(c, ret);
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}
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/***************************************************/
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#ifdef CONFIG_SYS_LONGHELP
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static char fru_help_text[] =
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"capture <addr> - Parse and capture FRU table present at address.\n"
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"fru display - Displays content of FRU table that was captured using\n"
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" fru capture command\n"
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;
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#endif
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U_BOOT_CMD(
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fru, 3, 1, do_fru,
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"FRU table info",
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fru_help_text
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)
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