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| author | Paul Mundt <lethal@linux-sh.org> | 2007-06-06 17:58:56 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@hera.kernel.org> | 2007-06-08 02:43:49 +0000 |
| commit | 520588f47f20a6dcaf81655e1da378e5fe6d5015 (patch) | |
| tree | fb7876b4f0f099e834612202e8b21c2deed78bcb /arch/sh | |
| parent | b241cb0c885e55839fb0f93c6a4539c5416cc39f (diff) | |
| download | linux-3.10-520588f47f20a6dcaf81655e1da378e5fe6d5015.tar.gz linux-3.10-520588f47f20a6dcaf81655e1da378e5fe6d5015.tar.bz2 linux-3.10-520588f47f20a6dcaf81655e1da378e5fe6d5015.zip | |
sh: URAM node support for SH7722.
This adds the URAM block on SH7722 as a separate node.
Sparsemem is required for this, or it can simply be disabled
by explicitly selecting a flatmem model.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 9 | ||||
| -rw-r--r-- | arch/sh/mm/Kconfig | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 1143fbf65fa..82dba7ff24b 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -1,7 +1,7 @@ /* * SH7722 Setup * - * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2006 - 2007 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -10,6 +10,7 @@ #include <linux/platform_device.h> #include <linux/init.h> #include <linux/serial.h> +#include <linux/mm.h> #include <asm/sci.h> static struct plat_sci_port sci_platform_data[] = { @@ -78,3 +79,9 @@ void __init init_IRQ_ipr(void) { make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map)); } + +void __init plat_mem_setup(void) +{ + /* Register the URAM space as Node 1 */ + setup_bootmem_node(1, 0x055f0000, 0x05610000); +} diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 8c5b73ab477..dd9b226c5d4 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -211,6 +211,7 @@ config CPU_SUBTYPE_SH7722 select CPU_SH4AL_DSP select CPU_SHX2 select CPU_HAS_IPR_IRQ + select ARCH_SPARSEMEM_ENABLE endchoice @@ -321,6 +322,7 @@ config ARCH_SPARSEMEM_DEFAULT config MAX_ACTIVE_REGIONS int + default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM) default "1" config ARCH_POPULATES_NODE_MAP |