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Diffstat (limited to 'arch/arm/mach-realview/realview_pbx.c')
-rw-r--r--arch/arm/mach-realview/realview_pbx.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 7e4bc6cdca52..ec39488e2b42 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -304,6 +304,26 @@ static struct sys_timer realview_pbx_timer = {
.init = realview_pbx_timer_init,
};
+static void realview_pbx_fixup(struct machine_desc *mdesc, struct tag *tags,
+ char **from, struct meminfo *meminfo)
+{
+#ifdef CONFIG_SPARSEMEM
+ /*
+ * Memory configuration with SPARSEMEM enabled on RealView PBX (see
+ * asm/mach/memory.h for more information).
+ */
+ meminfo->bank[0].start = 0;
+ meminfo->bank[0].size = SZ_256M;
+ meminfo->bank[1].start = 0x20000000;
+ meminfo->bank[1].size = SZ_512M;
+ meminfo->bank[2].start = 0x80000000;
+ meminfo->bank[2].size = SZ_256M;
+ meminfo->nr_banks = 3;
+#else
+ realview_fixup(mdesc, tags, from, meminfo);
+#endif
+}
+
static void __init realview_pbx_init(void)
{
int i;
@@ -345,6 +365,7 @@ MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
.phys_io = REALVIEW_PBX_UART0_BASE,
.io_pg_offst = (IO_ADDRESS(REALVIEW_PBX_UART0_BASE) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x00000100,
+ .fixup = realview_pbx_fixup,
.map_io = realview_pbx_map_io,
.init_irq = gic_init_irq,
.timer = &realview_pbx_timer,