sh: Add support for SH7786 CPU subtype.

[linux-2.6-omap-h63xx.git] / arch / sh / kernel / cpu / sh4 / probe.c

diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index ebceb0dadff58fc70026f646fe507b48f29c6a2d..2bd0ec962639b9d170bbe7e513d20089122d8fbe 100644 (file)
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -50,14 +50,18 @@ int __init detect_cpu_and_cache_system(void)
        boot_cpu_data.dcache.ways               = 1;
        boot_cpu_data.dcache.linesz             = L1_CACHE_BYTES;
 
+       /* We don't know the chip cut */
+       boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1;
+
        /*
         * Setup some generic flags we can probe on SH-4A parts
         */
-       if (((pvr >> 24) & 0xff) == 0x10) {
+       if (((pvr >> 16) & 0xff) == 0x10) {
                if ((cvr & 0x10000000) == 0)
                        boot_cpu_data.flags |= CPU_HAS_DSP;
 
                boot_cpu_data.flags |= CPU_HAS_LLSC;
+               boot_cpu_data.cut_major = pvr & 0x7f;
        }
 
        /* FPU detection works for everyone */
@@ -125,6 +129,13 @@ int __init detect_cpu_and_cache_system(void)
                boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
                                          CPU_HAS_LLSC;
                break;
+       case 0x4004:
+               boot_cpu_data.type = CPU_SH7786;
+               boot_cpu_data.icache.ways = 4;
+               boot_cpu_data.dcache.ways = 4;
+               boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+                       CPU_HAS_LLSC;
+               break;
        case 0x3008:
                boot_cpu_data.icache.ways = 4;
                boot_cpu_data.dcache.ways = 4;
@@ -132,6 +143,7 @@ int __init detect_cpu_and_cache_system(void)
 
                switch (prr) {
                case 0x50:
+               case 0x51:
                        boot_cpu_data.type = CPU_SH7723;
                        boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_L2_CACHE;
                        break;