[PATCH 13/19] ppc64: Add /system-id, /model and /compatible

[Michael Ellerman]

Add /system-id, /model and /compatible to the iSeries device tree. This should
allow us to remove some iSeries specific code (at least for lparcfg) but I
haven't got around to that yet.

---

 arch/ppc64/kernel/iSeries_setup.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+)

Index: work/arch/ppc64/kernel/iSeries_setup.c
===================================================================
--- work.orig/arch/ppc64/kernel/iSeries_setup.c
+++ work/arch/ppc64/kernel/iSeries_setup.c
@@ -58,6 +58,7 @@
 #include <asm/iSeries/HvLpEvent.h>
 #include <asm/iSeries/iSeries_irq.h>
 #include <asm/iSeries/IoHriProcessorVpd.h>
+#include <asm/iSeries/ItExtVpdPanel.h>
 #include <asm/iSeries/ItVpdAreas.h>
 #include <asm/iSeries/LparMap.h>
 
@@ -1056,6 +1057,22 @@ void dt_prop_empty(struct iseries_flat_d
 	dt_prop(dt, name, NULL, 0);
 }
 
+void dt_model(struct iseries_flat_dt *dt)
+{
+	char buf[16] = "IBM,";
+
+	strne2a(buf + 4, xItExtVpdPanel.mfgID + 2, 2);
+	strne2a(buf + 6, xItExtVpdPanel.systemSerial + 1, 5);
+	buf[11] = '\0';
+	dt_prop_str(dt, "system-id", buf);
+
+	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)
 {
 	u64 tmp[2];
@@ -1066,6 +1083,7 @@ void build_flat_dt(struct iseries_flat_d
 
 	dt_prop_u32(dt, "#address-cells", 2);
 	dt_prop_u32(dt, "#size-cells", 2);
+	dt_model(dt);
 
 	/* /memory */
 	dt_start_node(dt, "/memory at 0");