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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-28 14:40:39 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-28 14:40:39 -0700 |
commit | ebdea46fecae40c4d7effcd33f40918a37a1df4b (patch) | |
tree | e4312bf7f1f3d184738963a0ec300aa9fdfd55c1 /arch/arm/mm/nommu.c | |
parent | fecf3404f4aba6d0edeba31eeb018cbb6326dff2 (diff) | |
parent | 250d375d1da45a5e08ab8baf5eaa7eb258afd82b (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (130 commits)
[ARM] 3856/1: Add clocksource for Intel IXP4xx platforms
[ARM] 3855/1: Add generic time support
[ARM] 3873/1: S3C24XX: Add irq_chip names
[ARM] 3872/1: S3C24XX: Apply consistant tabbing to irq_chips
[ARM] 3871/1: S3C24XX: Fix ordering of EINT4..23
[ARM] nommu: confirms the CR_V bit in nommu mode
[ARM] nommu: abort handler fixup for !CPU_CP15_MMU cores.
[ARM] 3870/1: AT91: Start removing static memory mappings
[ARM] 3869/1: AT91: NAND support for DK and KB9202 boards
[ARM] 3868/1: AT91 hardware header update
[ARM] 3867/1: AT91 GPIO update
[ARM] 3866/1: AT91 clock update
[ARM] 3865/1: AT91RM9200 header updates
[ARM] 3862/2: S3C2410 - add basic power management support for AML M5900 series
[ARM] kthread: switch arch/arm/kernel/apm.c
[ARM] Off-by-one in arch/arm/common/icst*
[ARM] 3864/1: Refactore sharpsl_pm
[ARM] 3863/1: Add Locomo SPI Device
[ARM] 3847/2: Convert LOMOMO to use struct device for GPIOs
[ARM] Use CPU_CACHE_* where possible in asm/cacheflush.h
...
Diffstat (limited to 'arch/arm/mm/nommu.c')
-rw-r--r-- | arch/arm/mm/nommu.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 1464ed817b5..d0e66424a59 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -11,6 +11,49 @@ #include <asm/io.h> #include <asm/page.h> +#include "mm.h" + +extern void _stext, __data_start, _end; + +/* + * Reserve the various regions of node 0 + */ +void __init reserve_node_zero(pg_data_t *pgdat) +{ + /* + * Register the kernel text and data with bootmem. + * Note that this can only be in node 0. + */ +#ifdef CONFIG_XIP_KERNEL + reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start); +#else + reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext); +#endif + + /* + * Register the exception vector page. + * some architectures which the DRAM is the exception vector to trap, + * alloc_page breaks with error, although it is not NULL, but "0." + */ + reserve_bootmem_node(pgdat, CONFIG_VECTORS_BASE, PAGE_SIZE); +} + +/* + * paging_init() sets up the page tables, initialises the zone memory + * maps, and sets up the zero page, bad page and bad page tables. + */ +void __init paging_init(struct meminfo *mi, struct machine_desc *mdesc) +{ + bootmem_init(mi); +} + +/* + * We don't need to do anything here for nommu machines. + */ +void setup_mm_for_reboot(char mode) +{ +} + void flush_dcache_page(struct page *page) { __cpuc_flush_dcache_page(page_address(page)); |