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x86: coreboot: Allow building an expo for editing CMOS config

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Coreboot provides the CMOS layout in the tables it passes to U-Boot.
Use that to build an editor for the CMOS settings.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2024-10-14 16:32:11 -06:00
committed by Tom Rini
parent e25c34ddb5
commit ae3b5928d6
9 changed files with 405 additions and 1 deletions
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28
cmd/cedit.c
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@@ -67,6 +67,28 @@ static int do_cedit_load(struct cmd_tbl *cmdtp, int flag, int argc,
return 0;
}
#ifdef CONFIG_COREBOOT_SYSINFO
static int do_cedit_cb_load(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct expo *exp;
int ret;
if (argc > 1)
return CMD_RET_USAGE;
ret = cb_expo_build(&exp);
if (ret) {
printf("Failed to build expo: %dE\n", ret);
return CMD_RET_FAILURE;
}
cur_exp = exp;
return 0;
}
#endif /* CONFIG_COREBOOT_SYSINFO */
static int do_cedit_write_fdt(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
@@ -271,6 +293,9 @@ static int do_cedit_run(struct cmd_tbl *cmdtp, int flag, int argc,
U_BOOT_LONGHELP(cedit,
"load <interface> <dev[:part]> <filename> - load config editor\n"
#ifdef CONFIG_COREBOOT_SYSINFO
"cb_load - load coreboot CMOS editor\n"
#endif
"cedit read_fdt <i/f> <dev[:part]> <filename> - read settings\n"
"cedit write_fdt <i/f> <dev[:part]> <filename> - write settings\n"
"cedit read_env [-v] - read settings from env vars\n"
@@ -281,6 +306,9 @@ U_BOOT_LONGHELP(cedit,
U_BOOT_CMD_WITH_SUBCMDS(cedit, "Configuration editor", cedit_help_text,
U_BOOT_SUBCMD_MKENT(load, 5, 1, do_cedit_load),
#ifdef CONFIG_COREBOOT_SYSINFO
U_BOOT_SUBCMD_MKENT(cb_load, 5, 1, do_cedit_cb_load),
#endif
U_BOOT_SUBCMD_MKENT(read_fdt, 5, 1, do_cedit_read_fdt),
U_BOOT_SUBCMD_MKENT(write_fdt, 5, 1, do_cedit_write_fdt),
U_BOOT_SUBCMD_MKENT(read_env, 2, 1, do_cedit_read_env),