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sysinfo: Allow showing model info from sysinfo

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Some boards may want to show the SKU ID or other information obtained at
runtime. Allow this to come from sysinfo. The board can then provide a
sysinfo driver to provide it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2021-03-21 16:50:06 +13:00
parent c119528a1d
commit 96dedb0da2
2 changed files with 33 additions and 8 deletions
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37
common/board_info.c
View File

@ -1,31 +1,52 @@
// SPDX-License-Identifier: GPL-2.0+
#include <common.h>
#include <dm.h>
#include <init.h>
#include <sysinfo.h>
#include <asm/global_data.h>
#include <linux/libfdt.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
int __weak checkboard(void)
{
return 0;
}
/*
* If the root node of the DTB has a "model" property, show it.
* Check sysinfo for board information. Failing that if the root node of the DTB
* has a "model" property, show it.
*
* Then call checkboard().
*/
int __weak show_board_info(void)
{
#ifdef CONFIG_OF_CONTROL
DECLARE_GLOBAL_DATA_PTR;
const char *model;
if (IS_ENABLED(CONFIG_OF_CONTROL)) {
struct udevice *dev;
const char *model;
char str[80];
int ret = -ENOSYS;
model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
if (IS_ENABLED(CONFIG_SYSINFO)) {
/* This might provide more detail */
ret = uclass_first_device_err(UCLASS_SYSINFO, &dev);
if (!ret)
ret = sysinfo_get_str(dev,
SYSINFO_ID_BOARD_MODEL,
sizeof(str), str);
}
if (model)
printf("Model: %s\n", model);
#endif
/* Fail back to the main 'model' if available */
if (ret)
model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
else
model = str;
if (model)
printf("Model: %s\n", model);
}
return checkboard();
}

4
include/sysinfo.h
View File

@ -37,9 +37,13 @@ struct udevice;
enum sysinfo_id {
SYSINFO_ID_NONE,
/* For SMBIOS tables */
SYSINFO_ID_SMBIOS_SYSTEM_VERSION,
SYSINFO_ID_SMBIOS_BASEBOARD_VERSION,
/* For show_board_info() */
SYSINFO_ID_BOARD_MODEL,
/* First value available for downstream/board used */
SYSINFO_ID_USER = 0x1000,
};