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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-11-03 19:47:54 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:57:12 +0000
commit6fca1e17f64936de2e9c614c0d246e65ae553b68 (patch)
treefd3232e30b1ed81a89918fca37fc341d85e01144 /arch/arm/mach-footbridge/netwinder-hw.c
parent9eb4859564d6e104f78abde15e7f0ca996b71236 (diff)
ARM: restart: footbridge: use new restart hook
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-footbridge/netwinder-hw.c')
-rw-r--r--arch/arm/mach-footbridge/netwinder-hw.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index 0d3846f3b60d..80a1c5cc9071 100644
--- a/arch/arm/mach-footbridge/netwinder-hw.c
+++ b/arch/arm/mach-footbridge/netwinder-hw.c
@@ -645,6 +645,32 @@ fixup_netwinder(struct tag *tags, char **cmdline, struct meminfo *mi)
#endif
}
+static void netwinder_restart(char mode, const char *cmd)
+{
+ if (mode == 's') {
+ /* Jump into the ROM */
+ soft_restart(0x41000000);
+ } else {
+ local_irq_disable();
+ local_fiq_disable();
+
+ /* open up the SuperIO chip */
+ outb(0x87, 0x370);
+ outb(0x87, 0x370);
+
+ /* aux function group 1 (logical device 7) */
+ outb(0x07, 0x370);
+ outb(0x07, 0x371);
+
+ /* set GP16 for WD-TIMER output */
+ outb(0xe6, 0x370);
+ outb(0x00, 0x371);
+
+ /* set a RED LED and toggle WD_TIMER for rebooting */
+ outb(0xc4, 0x338);
+ }
+}
+
MACHINE_START(NETWINDER, "Rebel-NetWinder")
/* Maintainer: Russell King/Rebel.com */
.atag_offset = 0x100,
@@ -656,4 +682,5 @@ MACHINE_START(NETWINDER, "Rebel-NetWinder")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &isa_timer,
+ .restart = netwinder_restart,
MACHINE_END