aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-realview/realview_pb1176.c
diff options
context:
space:
mode:
authorCatalin Marinas <catalin.marinas@arm.com>2009-11-04 12:19:04 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2009-11-05 10:10:36 +0000
commit5b39d1548dc2751f8de89e6f429b6560a137eebb (patch)
treec121a4118a4da4441b8dad03362ebaab98a1867a /arch/arm/mach-realview/realview_pb1176.c
parent9b229fa0951fb47cbc178be4bd8e9ef185b38802 (diff)
downloadlinux-linaro-stable-5b39d1548dc2751f8de89e6f429b6560a137eebb.tar.gz
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.c13
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,