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authorDavid S. Miller <davem@davemloft.net>2010-02-28 19:23:06 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-28 19:23:06 -0800
commit47871889c601d8199c51a4086f77eebd77c29b0b (patch)
tree40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /arch/sh/kernel/cpu/sh4/probe.c
parentc16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'arch/sh/kernel/cpu/sh4/probe.c')
-rw-r--r--arch/sh/kernel/cpu/sh4/probe.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index d36f0c45f55..822977a06d8 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -28,9 +28,9 @@ int __init detect_cpu_and_cache_system(void)
[9] = (1 << 16)
};
- pvr = (ctrl_inl(CCN_PVR) >> 8) & 0xffffff;
- prr = (ctrl_inl(CCN_PRR) >> 4) & 0xff;
- cvr = (ctrl_inl(CCN_CVR));
+ pvr = (__raw_readl(CCN_PVR) >> 8) & 0xffffff;
+ prr = (__raw_readl(CCN_PRR) >> 4) & 0xff;
+ cvr = (__raw_readl(CCN_CVR));
/*
* Setup some sane SH-4 defaults for the icache
@@ -71,11 +71,11 @@ int __init detect_cpu_and_cache_system(void)
boot_cpu_data.dcache.ways = 4;
} else {
/* And some SH-4 defaults.. */
- boot_cpu_data.flags |= CPU_HAS_PTEA;
+ boot_cpu_data.flags |= CPU_HAS_PTEA | CPU_HAS_FPU;
boot_cpu_data.family = CPU_FAMILY_SH4;
}
- /* FPU detection works for everyone */
+ /* FPU detection works for almost everyone */
if ((cvr & 0x20000000))
boot_cpu_data.flags |= CPU_HAS_FPU;
@@ -124,6 +124,7 @@ int __init detect_cpu_and_cache_system(void)
boot_cpu_data.type = CPU_SH7785;
break;
case 0x4004:
+ case 0x4005:
boot_cpu_data.type = CPU_SH7786;
boot_cpu_data.flags |= CPU_HAS_PTEAEX | CPU_HAS_L2_CACHE;
break;
@@ -160,6 +161,7 @@ int __init detect_cpu_and_cache_system(void)
break;
case 0x700:
boot_cpu_data.type = CPU_SH4_501;
+ boot_cpu_data.flags &= ~CPU_HAS_FPU;
boot_cpu_data.icache.ways = 2;
boot_cpu_data.dcache.ways = 2;
break;
@@ -227,7 +229,7 @@ int __init detect_cpu_and_cache_system(void)
* Size calculation is much more sensible
* than it is for the L1.
*
- * Sizes are 128KB, 258KB, 512KB, and 1MB.
+ * Sizes are 128KB, 256KB, 512KB, and 1MB.
*/
size = (cvr & 0xf) << 17;