1 files changed, 32 insertions, 0 deletions

diff --git a/arch/mips/sgi-ip22/Platform b/arch/mips/sgi-ip22/Platform
new file mode 100644
index 000000000..62fa30bb9
--- /dev/null
+++ b/arch/mips/sgi-ip22/Platform
@@ -0,0 +1,32 @@
+#
+# SGI IP22 (Indy/Indigo2)
+#
+# Set the load address to >= 0xffffffff88069000 if you want to leave space for
+# symmon, 0xffffffff80002000 for production kernels.  Note that the value must
+# be aligned to a multiple of the kernel stack size or the handling of the
+# current variable will break so for 64-bit kernels we have to raise the start
+# address by 8kb.
+#
+cflags-$(CONFIG_SGI_IP22)       += -I$(srctree)/arch/mips/include/asm/mach-ip22
+ifdef CONFIG_32BIT
+load-$(CONFIG_SGI_IP22)         += 0xffffffff88002000
+endif
+ifdef CONFIG_64BIT
+load-$(CONFIG_SGI_IP22)         += 0xffffffff88004000
+endif
+
+#
+# SGI IP28 (Indigo2 R10k)
+#
+# Set the load address to >= 0xa800000020080000 if you want to leave space for
+# symmon, 0xa800000020004000 for production kernels ?  Note that the value must
+# be 16kb aligned or the handling of the current variable will break.
+# Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
+#
+ifdef CONFIG_SGI_IP28
+  ifeq ($(call cc-option-yn,-march=r10000 -mr10k-cache-barrier=store), n)
+      $(error gcc doesn't support needed option -mr10k-cache-barrier=store)
+  endif
+endif
+cflags-$(CONFIG_SGI_IP28)       += -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28
+load-$(CONFIG_SGI_IP28)         += 0xa800000020004000