MIPS: Set ELF AT_PLATFORM string for Loongson2 processors

Signed-off-by: Robert Millan <[email protected]> Acked-by: David Daney <[email protected]> Signed-off-by: Kevin Cernekee <[email protected]> Cc: David Daney <[email protected]> Cc: wu zhangjin <[email protected]> Cc: Aurelien Jarno <[email protected]> Cc: [email protected] Cc: [email protected] Patchwork: https://patchwork.linux-mips.org/patch/2302/ Signed-off-by: Ralf Baechle <[email protected]>
mna · May 19, 2011 · 5aac1e8 · 5aac1e8
1 parent 06785df
commit 5aac1e8
Showing 1 changed file with 10 additions and 0 deletions.
diff --git 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 |