MIPS: Alchemy: Au1300 SoC support

Add basic support for the Au1300 variant(s):
- New GPIO/Interrupt controller
- DBDMA ids
- USB setup
- MMC support
- enable various PSC drivers
- detection code.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2866/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index c7d3cf1ce46..98383995e6a 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1014,6 +1014,13 @@ static inline void cpu_probe_netlogic(struct cpuinfo_mips *c, int cpu)
 {
         decode_configs(c);
 
+        if ((c->processor_id & 0xff00) == PRID_IMP_NETLOGIC_AU13XX) {
+                c->cputype = CPU_ALCHEMY;
+                __cpu_name[cpu] = "Au1300";
+                /* following stuff is not for Alchemy */
+                return;
+        }
+
         c->options = (MIPS_CPU_TLB       |
                         MIPS_CPU_4KEX    |
                         MIPS_CPU_COUNTER |