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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-11-04 12:19:04 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-11-05 10:10:36 +0000 |
| commit | 5b39d1548dc2751f8de89e6f429b6560a137eebb (patch) | |
| tree | c121a4118a4da4441b8dad03362ebaab98a1867a /arch/arm/mach-realview/realview_pb1176.c | |
| parent | 9b229fa0951fb47cbc178be4bd8e9ef185b38802 (diff) | |
| download | linux-5b39d1548dc2751f8de89e6f429b6560a137eebb.tar.gz linux-5b39d1548dc2751f8de89e6f429b6560a137eebb.tar.bz2 linux-5b39d1548dc2751f8de89e6f429b6560a137eebb.zip | |
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/realview_pb1176.c')
| -rw-r--r-- | arch/arm/mach-realview/realview_pb1176.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index a6ba147692c1..7fb726d5f8b9 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -300,6 +300,18 @@ static void realview_pb1176_reset(char mode) __raw_writel(REALVIEW_PB1176_SYS_LOCKVAL_RSTCTL, hdr_ctrl); } +static void realview_pb1176_fixup(struct machine_desc *mdesc, + struct tag *tags, char **from, + struct meminfo *meminfo) +{ + /* + * RealView PB1176 only has 128MB of RAM mapped at 0. + */ + meminfo->bank[0].start = 0; + meminfo->bank[0].size = SZ_128M; + meminfo->nr_banks = 1; +} + static void __init realview_pb1176_init(void) { int i; @@ -331,6 +343,7 @@ MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") .phys_io = REALVIEW_PB1176_UART0_BASE, .io_pg_offst = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, + .fixup = realview_pb1176_fixup, .map_io = realview_pb1176_map_io, .init_irq = gic_init_irq, .timer = &realview_pb1176_timer, |