microblaze: Add PVR for endians plus detection

Upcomming microblaze version will support little-endian.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Grant Likely <grant.likely@secretlab.ca>

3 files changed, 4 insertions, 1 deletions

diff --git a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
index f72dbd66c844..f70a6047f08e 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
@@ -72,6 +72,7 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
         CI(pvr_user2, USER2);
 
         CI(mmu, USE_MMU);
+        CI(endian, ENDIAN);
 
         CI(use_icache, USE_ICACHE);
         CI(icache_tagbits, ICACHE_ADDR_TAG_BITS);
diff --git a/arch/microblaze/kernel/cpu/cpuinfo-static.c b/arch/microblaze/kernel/cpu/cpuinfo-static.c
index 6095aa6b5c88..b16b994ca3d2 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo-static.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo-static.c
@@ -119,6 +119,7 @@ void __init set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu)
         ci->pvr_user2 = fcpu(cpu, "xlnx,pvr-user2");
 
         ci->mmu = fcpu(cpu, "xlnx,use-mmu");
+        ci->endian = fcpu(cpu, "xlnx,endianness");
 
         ci->ver_code = 0;
         ci->fpga_family_code = 0;
diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c
index 7086e3564281..b4048af02615 100644
--- a/arch/microblaze/kernel/cpu/mb.c
+++ b/arch/microblaze/kernel/cpu/mb.c
@@ -51,11 +51,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         count = seq_printf(m,
                         "CPU-Family:    MicroBlaze\n"
                         "FPGA-Arch:     %s\n"
-                        "CPU-Ver:       %s\n"
+                        "CPU-Ver:       %s, %s endian\n"
                         "CPU-MHz:       %d.%02d\n"
                         "BogoMips:      %lu.%02lu\n",
                         fpga_family,
                         cpu_ver,
+                        cpuinfo.endian ? "little" : "big",
                         cpuinfo.cpu_clock_freq /
                         1000000,
                         cpuinfo.cpu_clock_freq %