1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 2817fe099319..7fb726d5f8b9 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -290,6 +290,28 @@ static struct sys_timer realview_pb1176_timer = {
         .init           = realview_pb1176_timer_init,
 };
 
+static void realview_pb1176_reset(char mode)
+{
+        void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) +
+                REALVIEW_SYS_RESETCTL_OFFSET;
+        void __iomem *rst_hdr_ctrl = __io_address(REALVIEW_SYS_BASE) +
+                REALVIEW_SYS_LOCK_OFFSET;
+        __raw_writel(REALVIEW_SYS_LOCKVAL_MASK, rst_hdr_ctrl);
+        __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;
@@ -313,6 +335,7 @@ static void __init realview_pb1176_init(void)
 #ifdef CONFIG_LEDS
         leds_event = realview_leds_event;
 #endif
+        realview_reset = realview_pb1176_reset;
 }
 
 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
@@ -320,6 +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,