[MIPS] Alchemy: Au1210/Au1250 CPU support
This patch adds IDs for new Au1200 variants: Au1210 and Au1250.
They are essentially identical to the Au1200 except for the Au1210
which has a different SoC-ID in the PRId register [bits 31:24].
The Au1250 is a "Au1200 V0.2".
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 5c27943..5861a43 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -188,6 +188,8 @@
case CPU_AU1500:
case CPU_AU1550:
case CPU_AU1200:
+ case CPU_AU1210:
+ case CPU_AU1250:
if (allow_au1k_wait)
cpu_wait = au1k_wait;
break;
@@ -733,6 +735,11 @@
break;
case 4:
c->cputype = CPU_AU1200;
+ if (2 == (c->processor_id & 0xff))
+ c->cputype = CPU_AU1250;
+ break;
+ case 5:
+ c->cputype = CPU_AU1210;
break;
default:
panic("Unknown Au Core!");
@@ -858,6 +865,8 @@
case CPU_AU1100: name = "Au1100"; break;
case CPU_AU1550: name = "Au1550"; break;
case CPU_AU1200: name = "Au1200"; break;
+ case CPU_AU1210: name = "Au1210"; break;
+ case CPU_AU1250: name = "Au1250"; break;
case CPU_4KEC: name = "MIPS 4KEc"; break;
case CPU_4KSC: name = "MIPS 4KSc"; break;
case CPU_VR41XX: name = "NEC Vr41xx"; break;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 0607494..02bd180 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -980,6 +980,8 @@
case CPU_AU1100:
case CPU_AU1550:
case CPU_AU1200:
+ case CPU_AU1210:
+ case CPU_AU1250:
c->icache.flags |= MIPS_CACHE_IC_F_DC;
break;
}
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index c298344..d026302 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -917,6 +917,8 @@
case CPU_AU1500:
case CPU_AU1550:
case CPU_AU1200:
+ case CPU_AU1210:
+ case CPU_AU1250:
case CPU_PR4450:
i_nop(p);
tlbw(p);
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index 54fc18a..bf5bbc7 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -195,8 +195,8 @@
* MIPS32 class processors
*/
CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_74K, CPU_AU1000,
- CPU_AU1100, CPU_AU1200, CPU_AU1500, CPU_AU1550, CPU_PR4450,
- CPU_BCM3302, CPU_BCM4710,
+ CPU_AU1100, CPU_AU1200, CPU_AU1210, CPU_AU1250, CPU_AU1500, CPU_AU1550,
+ CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
/*
* MIPS64 class processors