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diff --git a/sys/dev/ofw/ofw_fdt.c b/sys/dev/ofw/ofw_fdt.c
--- a/sys/dev/ofw/ofw_fdt.c
+++ b/sys/dev/ofw/ofw_fdt.c
@@ -105,7 +105,14 @@
};
OFW_DEF(ofw_fdt);
+#define FDT_FBSDVER_LEN 16
+#define FDT_MODEL_LEN 80
+#define FDT_COMPAT_LEN 255
+
static void *fdtp = NULL;
+static char fdt_model[FDT_MODEL_LEN];
+static char fdt_compatible[FDT_COMPAT_LEN];
+static char fdt_fbsd_version[FDT_FBSDVER_LEN];
static int
sysctl_handle_dtb(SYSCTL_HANDLER_ARGS)
@@ -125,19 +132,50 @@
SYSCTL_ADD_PROC(NULL, SYSCTL_STATIC_CHILDREN(_hw_fdt), OID_AUTO, "dtb",
CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 0,
sysctl_handle_dtb, "", "Device Tree Blob");
+ if (fdt_model[0] != '\0')
+ SYSCTL_ADD_STRING(NULL, SYSCTL_STATIC_CHILDREN(_hw_fdt),
+ OID_AUTO, "model", CTLFLAG_RD, fdt_model,
+ FDT_MODEL_LEN, "System board model");
+ if (fdt_compatible[0] != '\0')
+ SYSCTL_ADD_STRING(NULL, SYSCTL_STATIC_CHILDREN(_hw_fdt),
+ OID_AUTO, "compatible", CTLFLAG_RD, fdt_compatible,
+ FDT_COMPAT_LEN, "Compatible platforms");
+ if (fdt_fbsd_version[0] != '\0')
+ SYSCTL_ADD_STRING(NULL, SYSCTL_STATIC_CHILDREN(_hw_fdt),
+ OID_AUTO, "freebsd-version", CTLFLAG_RD, fdt_fbsd_version,
+ FDT_FBSDVER_LEN, "FreeBSD DTS branding version");
}
SYSINIT(dtb_oid, SI_SUB_KMEM, SI_ORDER_ANY, sysctl_register_fdt_oid, NULL);
static int
ofw_fdt_init(ofw_t ofw, void *data)
{
+ phandle_t root;
+ ssize_t len;
int err;
+ int i;
/* Check FDT blob integrity */
if ((err = fdt_check_header(data)) != 0)
return (err);
fdtp = data;
+ root = ofw_fdt_finddevice(NULL, "/");
+ len = ofw_fdt_getproplen(NULL, root, "model");
+ bzero(fdt_model, FDT_MODEL_LEN);
+ ofw_fdt_getprop(NULL, root, "model", fdt_model, FDT_MODEL_LEN);
+ len = ofw_fdt_getproplen(NULL, root, "compatible");
+ bzero(fdt_compatible, FDT_COMPAT_LEN);
+ ofw_fdt_getprop(NULL, root, "compatible", fdt_compatible, FDT_COMPAT_LEN);
+ /* Replace the middle '\0' with ' ' */
+ for (i = 0; i < len - 1; i++)
+ if (fdt_compatible[i] == '\0')
+ fdt_compatible[i] = ' ';
+ if ((len = ofw_fdt_getproplen(NULL, root, "freebsd,dts-version")) > 0) {
+ bzero(fdt_fbsd_version, FDT_FBSDVER_LEN);
+ ofw_fdt_getprop(NULL, root, "freebsd,dts-version",
+ fdt_fbsd_version, FDT_FBSDVER_LEN);
+ }
return (0);
}
@@ -411,7 +449,6 @@
static int
ofw_fdt_fixup(ofw_t ofw)
{
-#define FDT_MODEL_LEN 80
char model[FDT_MODEL_LEN];
phandle_t root;
ssize_t len;

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