aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/powernv/setup.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/powerpc/platforms/powernv/setup.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index dac545aa0308..61ab2d38ff4b 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -17,6 +17,7 @@
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/irq.h>
+#include <linux/seq_buf.h>
#include <linux/seq_file.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
@@ -207,8 +208,29 @@ static void __init pnv_setup_arch(void)
pnv_rng_init();
}
+static void __init pnv_add_hw_description(void)
+{
+ struct device_node *dn;
+ const char *s;
+
+ dn = of_find_node_by_path("/ibm,opal/firmware");
+ if (!dn)
+ return;
+
+ if (of_property_read_string(dn, "version", &s) == 0 ||
+ of_property_read_string(dn, "git-id", &s) == 0)
+ seq_buf_printf(&ppc_hw_desc, "opal:%s ", s);
+
+ if (of_property_read_string(dn, "mi-version", &s) == 0)
+ seq_buf_printf(&ppc_hw_desc, "mi:%s ", s);
+
+ of_node_put(dn);
+}
+
static void __init pnv_init(void)
{
+ pnv_add_hw_description();
+
/*
* Initialize the LPC bus now so that legacy serial
* ports can be found on it