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kboot: Add SMBIOS information for U-Boot

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Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
This commit is contained in:
Mark Kettenis 2024-01-12 21:40:39 +01:00
parent 3b9a71422e
commit b0a8b4d187
1 changed files with 48 additions and 0 deletions
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48
src/kboot.c
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@ -349,6 +349,52 @@ static int dt_set_serial_number(void)
return 0;
}
static int dt_set_smbios(void)
{
int fdt_root = fdt_path_offset(dt, "/");
int len, node, smbios_node;
if (fdt_root < 0)
bail("FDT: could not open a handle to FDT root.\n");
node = fdt_add_subnode(dt, fdt_root, "smbios");
if (node < 0)
bail("FDT: failed to add node 'smbios' to '/'\n");
fdt_setprop_string(dt, node, "compatible", "u-boot,sysinfo-smbios");
smbios_node = fdt_add_subnode(dt, node, "smbios");
if (smbios_node < 0)
bail("FDT: failed to add node 'smbios' to '/smbios'\n");
node = fdt_add_subnode(dt, smbios_node, "system");
if (node < 0)
bail("FDT: failed to add node 'system' to '/smbios'\n");
fdt_setprop_string(dt, node, "manufacturer", "Apple");
const char *model = fdt_getprop(dt, fdt_root, "model", &len);
if (!model)
bail("FDT: failed to get model property\n");
if (len < 6)
fdt_setprop_string(dt, node, "product", "Unknown");
else
fdt_setprop_string(dt, node, "product", model + 6);
node = fdt_add_subnode(dt, smbios_node, "baseboard");
if (node < 0)
bail("FDT: failed to add node 'baseboard' to '/smbios'\n");
fdt_setprop_string(dt, node, "manufacturer", "Apple");
const char *target_type = adt_getprop(adt, 0, "target-type", NULL);
if (!target_type)
bail("ADT: failed to get target-type property\n");
fdt_setprop_string(dt, node, "product", target_type);
node = fdt_add_subnode(dt, smbios_node, "chassis");
if (node < 0)
bail("FDT: failed to add node 'chassis' to '/smbios'\n");
fdt_setprop_string(dt, node, "manufacturer", "Apple");
return 0;
}
static int dt_set_cpus(void)
{
int ret = 0;
@ -2266,6 +2312,8 @@ int kboot_prepare_dt(void *fdt)
return -1;
if (dt_set_serial_number())
return -1;
if (dt_set_smbios())
return -1;
if (dt_set_cpus())
return -1;
if (dt_set_mac_addresses())