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,