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authorRobert Millan <rmh@gnu.org>2011-04-16 11:29:29 -0700
committerRalf Baechle <ralf@linux-mips.org>2011-05-19 09:55:48 +0100
commit5aac1e8a381d52a977b5050369a82a547c446ee2 (patch)
treee2d9c66395eabbdaf444e65e39c484102e1b26d0 /arch/mips/kernel/cpu-probe.c
parent06785df09b18e9127d16893039b64ae118c53cb4 (diff)
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MIPS: Set ELF AT_PLATFORM string for Loongson2 processors
Signed-off-by: Robert Millan <rmh@gnu.org> Acked-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Kevin Cernekee <cernekee@gmail.com> 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/2302/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 7da8617..bb133d1 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -620,6 +620,16 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
case PRID_IMP_LOONGSON2:
c->cputype = CPU_LOONGSON2;
__cpu_name[cpu] = "ICT Loongson-2";
+
+ switch (c->processor_id & PRID_REV_MASK) {
+ case PRID_REV_LOONGSON2E:
+ set_elf_platform(cpu, "loongson2e");
+ break;
+ case PRID_REV_LOONGSON2F:
+ set_elf_platform(cpu, "loongson2f");
+ break;
+ }
+
c->isa_level = MIPS_CPU_ISA_III;
c->options = R4K_OPTS |
MIPS_CPU_FPU | MIPS_CPU_LLSC |