sh: sh7372 SH4AL-DSP probe support

Add probe support for the sh7372 SH4AL-DSP core.

The most common use case for this is when the system
boots from the ARM core in the sh7372 and uses the
SH core for application offload as a slave CPU.

May also be used to boot the sh7372 from the SH core.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index c9e7cbc..9c7bdfc 100644 (file)
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -35,7 +35,7 @@ enum cpu_type {
        CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SHX3,
 
        /* SH4AL-DSP types */
-       CPU_SH7343, CPU_SH7722, CPU_SH7366,
+       CPU_SH7343, CPU_SH7722, CPU_SH7366, CPU_SH7372,
 
        /* SH-5 types */
         CPU_SH5_101, CPU_SH5_103,

diff --git a/arch/sh/kernel/cpu/proc.c b/arch/sh/kernel/cpu/proc.c
index e80a936..f47be87 100644 (file)
--- a/arch/sh/kernel/cpu/proc.c
+++ b/arch/sh/kernel/cpu/proc.c
@@ -25,7 +25,7 @@ static const char *cpu_name[] = {
        [CPU_SH5_101]   = "SH5-101",    [CPU_SH5_103]   = "SH5-103",
        [CPU_MXG]       = "MX-G",       [CPU_SH7723]    = "SH7723",
        [CPU_SH7366]    = "SH7366",     [CPU_SH7724]    = "SH7724",
-       [CPU_SH_NONE]   = "Unknown"
+       [CPU_SH7372]    = "SH7372",     [CPU_SH_NONE]   = "Unknown"
 };
 
 const char *get_cpu_subtype(struct sh_cpuinfo *c)

diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index b1edc90..971cf0f 100644 (file)
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -154,6 +154,11 @@ void __cpuinit cpu_probe(void)
                case 0x11:
                        boot_cpu_data.type = CPU_SH7757;
                        break;
+               case 0xd0:
+               case 0x40: /* yon-ten-go */
+                       boot_cpu_data.type = CPU_SH7372;
+                       break;
+
                }
                break;
        case 0x4000:    /* 1st cut */