diff options
author | Catalin Marinas <catalin.marinas@arm.com> | 2009-11-04 12:19:04 +0000 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-11-05 10:10:36 +0000 |
commit | 5b39d1548dc2751f8de89e6f429b6560a137eebb (patch) | |
tree | c121a4118a4da4441b8dad03362ebaab98a1867a /arch/arm/mach-realview/core.c | |
parent | 9b229fa0951fb47cbc178be4bd8e9ef185b38802 (diff) |
RealView: Add default memory configuration
This patch adds a realview_fixup() function called during booting to set
up the memory banks. This way there is no need to pass a "mem=" argument
on the kernel command line.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/mach-realview/core.c')
-rw-r--r-- | arch/arm/mach-realview/core.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index a2083b60e3f..c21b0fd3965 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -788,3 +788,24 @@ void __init realview_timer_init(unsigned int timer_irq) realview_clocksource_init(); realview_clockevents_init(timer_irq); } + +/* + * Setup the memory banks. + */ +void realview_fixup(struct machine_desc *mdesc, struct tag *tags, char **from, + struct meminfo *meminfo) +{ + /* + * Most RealView platforms have 512MB contiguous RAM at 0x70000000. + * Half of this is mirrored at 0. + */ +#ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET + meminfo->bank[0].start = 0x70000000; + meminfo->bank[0].size = SZ_512M; + meminfo->nr_banks = 1; +#else + meminfo->bank[0].start = 0; + meminfo->bank[0].size = SZ_256M; + meminfo->nr_banks = 1; +#endif +} |