diff options
author | Matt Fleming <matt@console-pimps.org> | 2009-10-06 17:22:26 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2009-10-10 08:51:23 -0400 |
commit | b336f124b1cca55c28b2c5df0e02aa5ace5be7d4 (patch) | |
tree | 9e592c60774b96e8a0ee916f11d1b854154d60d4 | |
parent | 1f69b6af9171f50135cce8023c84d82fbf42a8f5 (diff) |
sh: CONFIG_PMB doesn't mean the MMU is in 32bit mode
CONFIG_PMB will eventually allow the MMU to be switched between 29-bit
and 32-bit mode dynamically at runtime.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r-- | arch/sh/kernel/head_32.S | 2 | ||||
-rw-r--r-- | arch/sh/mm/Kconfig | 2 |
2 files changed, 1 insertions, 3 deletions
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index a78be74b8d3e..1151ecdffa71 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S | |||
@@ -33,7 +33,7 @@ ENTRY(empty_zero_page) | |||
33 | .long 1 /* LOADER_TYPE */ | 33 | .long 1 /* LOADER_TYPE */ |
34 | .long 0x00000000 /* INITRD_START */ | 34 | .long 0x00000000 /* INITRD_START */ |
35 | .long 0x00000000 /* INITRD_SIZE */ | 35 | .long 0x00000000 /* INITRD_SIZE */ |
36 | #ifdef CONFIG_32BIT | 36 | #if defined(CONFIG_32BIT) && defined(CONFIG_PMB_FIXED) |
37 | .long 0x53453f00 + 32 /* "SE?" = 32 bit */ | 37 | .long 0x53453f00 + 32 /* "SE?" = 32 bit */ |
38 | #else | 38 | #else |
39 | .long 0x53453f00 + 29 /* "SE?" = 29 bit */ | 39 | .long 0x53453f00 + 29 /* "SE?" = 29 bit */ |
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 64dc1ad59801..b8a9032c74be 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig | |||
@@ -83,7 +83,6 @@ config 32BIT | |||
83 | config PMB_ENABLE | 83 | config PMB_ENABLE |
84 | bool "Support 32-bit physical addressing through PMB" | 84 | bool "Support 32-bit physical addressing through PMB" |
85 | depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) | 85 | depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) |
86 | select 32BIT | ||
87 | default y | 86 | default y |
88 | help | 87 | help |
89 | If you say Y here, physical addressing will be extended to | 88 | If you say Y here, physical addressing will be extended to |
@@ -98,7 +97,6 @@ choice | |||
98 | config PMB | 97 | config PMB |
99 | bool "PMB" | 98 | bool "PMB" |
100 | depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) | 99 | depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) |
101 | select 32BIT | ||
102 | help | 100 | help |
103 | If you say Y here, physical addressing will be extended to | 101 | If you say Y here, physical addressing will be extended to |
104 | 32-bits through the SH-4A PMB. If this is not set, legacy | 102 | 32-bits through the SH-4A PMB. If this is not set, legacy |