[PATCH] powerpc: iseries: Add /system-id, /model and /compatible

Add /system-id, /model and /compatible to the iSeries device tree.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 127af3b0ba82..8fe7237bc46f 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -50,6 +50,7 @@
 #include <asm/iseries/hv_call_xm.h>
 #include <asm/iseries/it_lp_queue.h>
 #include <asm/iseries/mf.h>
+#include <asm/iseries/it_exp_vpd_panel.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iseries/lpar_map.h>
 #include <asm/udbg.h>
@@ -888,6 +889,24 @@ void dt_cpus(struct iseries_flat_dt *dt)
         dt_end_node(dt);
 }
 
+void dt_model(struct iseries_flat_dt *dt)
+{
+        char buf[16] = "IBM,";
+
+        /* "IBM," + mfgId[2:3] + systemSerial[1:5] */
+        strne2a(buf + 4, xItExtVpdPanel.mfgID + 2, 2);
+        strne2a(buf + 6, xItExtVpdPanel.systemSerial + 1, 5);
+        buf[11] = '\0';
+        dt_prop_str(dt, "system-id", buf);
+
+        /* "IBM," + machineType[0:4] */
+        strne2a(buf + 4, xItExtVpdPanel.machineType, 4);
+        buf[8] = '\0';
+        dt_prop_str(dt, "model", buf);
+
+        dt_prop_str(dt, "compatible", "IBM,iSeries");
+}
+
 void build_flat_dt(struct iseries_flat_dt *dt, unsigned long phys_mem_size)
 {
         u64 tmp[2];
@@ -898,6 +917,7 @@ void build_flat_dt(struct iseries_flat_dt *dt, unsigned long phys_mem_size)
 
         dt_prop_u32(dt, "#address-cells", 2);
         dt_prop_u32(dt, "#size-cells", 2);
+        dt_model(dt);
 
         /* /memory */
         dt_start_node(dt, "memory@0");