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[MIPS] IP27: Cleanup N/M mode configuration.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2006-06-14 08:10:35 +01:00
parent 0986625861
commit f456acae4f
2 changed files with 22 additions and 7 deletions
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25
arch/mips/sgi-ip27/Kconfig
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@@ -4,14 +4,29 @@
# This options adds support for userspace processes upto 16TB size. # This options adds support for userspace processes upto 16TB size.
# Normally the limit is just .5TB. # Normally the limit is just .5TB.
choice
prompt "Node addressing mode"
depends on SGI_IP27
default SGI_SN_M_MODE
config SGI_SN_M_MODE
bool "IP27 M-Mode"
help
The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
in either N-Modes which allows for more nodes or M-Mode which allows
for more memory. Your hardware is almost certainly running in
M-Mode, so choose M-mode here.
config SGI_SN_N_MODE config SGI_SN_N_MODE
bool "IP27 N-Mode" bool "IP27 N-Mode"
depends on SGI_IP27 depends on EXPERIMENTAL
help help
The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
configured in either N-Modes which allows for more nodes or M-Mode in either N-Modes which allows for more nodes or M-Mode which allows
which allows for more memory. Your system is most probably for more memory. Your hardware is almost certainly running in
running in M-Mode, so you should say N here. M-Mode, so choose M-mode here.
endchoice
config MAPPED_KERNEL config MAPPED_KERNEL
bool "Mapped kernel support" bool "Mapped kernel support"

4
include/asm-mips/sn/sn0/arch.h
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@@ -59,9 +59,9 @@
*/ */
#ifdef CONFIG_SGI_SN_N_MODE #ifdef CONFIG_SGI_SN_N_MODE
#define MAX_MEM_SLOTS 16 /* max slots per node */ #define MAX_MEM_SLOTS 16 /* max slots per node */
#else /* !CONFIG_SGI_SN_N_MODE, assume M_MODE */ #else /* !CONFIG_SGI_SN_N_MODE, assume CONFIG_SGI_SN_M_MODE */
#define MAX_MEM_SLOTS 32 /* max slots per node */ #define MAX_MEM_SLOTS 32 /* max slots per node */
#endif /* defined(N_MODE) */ #endif /* CONFIG_SGI_SN_M_MODE */
#define SLOT_SHIFT (27) #define SLOT_SHIFT (27)
#define SLOT_MIN_MEM_SIZE (32*1024*1024) #define SLOT_MIN_MEM_SIZE (32*1024*1024)