MIPS: Set ELF AT_PLATFORM string for BMIPS processors

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: Robert Millan <rmh@gnu.org>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: wu zhangjin <wuzhangjin@gmail.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/2300/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index aa86250844c..7da861755f4 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -917,12 +917,14 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
         case PRID_IMP_BMIPS32_REV8:
                 c->cputype = CPU_BMIPS32;
                 __cpu_name[cpu] = "Broadcom BMIPS32";
+                set_elf_platform(cpu, "bmips32");
                 break;
         case PRID_IMP_BMIPS3300:
         case PRID_IMP_BMIPS3300_ALT:
         case PRID_IMP_BMIPS3300_BUG:
                 c->cputype = CPU_BMIPS3300;
                 __cpu_name[cpu] = "Broadcom BMIPS3300";
+                set_elf_platform(cpu, "bmips3300");
                 break;
         case PRID_IMP_BMIPS43XX: {
                 int rev = c->processor_id & 0xff;
@@ -931,15 +933,18 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
                                 rev <= PRID_REV_BMIPS4380_HI) {
                         c->cputype = CPU_BMIPS4380;
                         __cpu_name[cpu] = "Broadcom BMIPS4380";
+                        set_elf_platform(cpu, "bmips4380");
                 } else {
                         c->cputype = CPU_BMIPS4350;
                         __cpu_name[cpu] = "Broadcom BMIPS4350";
+                        set_elf_platform(cpu, "bmips4350");
                 }
                 break;
         }
         case PRID_IMP_BMIPS5000:
                 c->cputype = CPU_BMIPS5000;
                 __cpu_name[cpu] = "Broadcom BMIPS5000";
+                set_elf_platform(cpu, "bmips5000");
                 c->options |= MIPS_CPU_ULRI;
                 break;
         }