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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
parent9eb4859564d6e104f78abde15e7f0ca996b71236 (diff)
downloadlinaro-lsk-6fca1e17f64936de2e9c614c0d246e65ae553b68.tar.gz
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')
-rw-r--r--arch/arm/mach-footbridge/cats-hw.c1
-rw-r--r--arch/arm/mach-footbridge/common.c27
-rw-r--r--arch/arm/mach-footbridge/common.h1
-rw-r--r--arch/arm/mach-footbridge/ebsa285.c1
-rw-r--r--arch/arm/mach-footbridge/include/mach/system.h52
-rw-r--r--arch/arm/mach-footbridge/netwinder-hw.c27
-rw-r--r--arch/arm/mach-footbridge/personal.c1
7 files changed, 58 insertions, 52 deletions
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 60b6774e1ea..25b453601ac 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -91,4 +91,5 @@ MACHINE_START(CATS, "Chalice-CATS")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &isa_timer,
+ .restart = footbridge_restart,
MACHINE_END
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index 38a44f9b9da..41978ee4f9d 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -199,6 +199,33 @@ void __init footbridge_map_io(void)
iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc));
}
+void footbridge_restart(char mode, const char *cmd)
+{
+ if (mode == 's') {
+ /* Jump into the ROM */
+ soft_restart(0x41000000);
+ } else {
+ /*
+ * Force the watchdog to do a CPU reset.
+ *
+ * After making sure that the watchdog is disabled
+ * (so we can change the timer registers) we first
+ * enable the timer to autoreload itself. Next, the
+ * timer interval is set really short and any
+ * current interrupt request is cleared (so we can
+ * see an edge transition). Finally, TIMER4 is
+ * enabled as the watchdog.
+ */
+ *CSR_SA110_CNTL &= ~(1 << 13);
+ *CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE |
+ TIMER_CNTL_AUTORELOAD |
+ TIMER_CNTL_DIV16;
+ *CSR_TIMER4_LOAD = 0x2;
+ *CSR_TIMER4_CLR = 0;
+ *CSR_SA110_CNTL |= (1 << 13);
+ }
+}
+
#ifdef CONFIG_FOOTBRIDGE_ADDIN
static inline unsigned long fb_bus_sdram_offset(void)
diff --git a/arch/arm/mach-footbridge/common.h b/arch/arm/mach-footbridge/common.h
index b05e662d21a..c9767b892cb 100644
--- a/arch/arm/mach-footbridge/common.h
+++ b/arch/arm/mach-footbridge/common.h
@@ -8,3 +8,4 @@ extern void footbridge_map_io(void);
extern void footbridge_init_irq(void);
extern void isa_init_irq(unsigned int irq);
+extern void footbridge_restart(char, const char *);
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c
index 012210cf7d1..27716a7e5fc 100644
--- a/arch/arm/mach-footbridge/ebsa285.c
+++ b/arch/arm/mach-footbridge/ebsa285.c
@@ -21,5 +21,6 @@ MACHINE_START(EBSA285, "EBSA285")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &footbridge_timer,
+ .restart = footbridge_restart,
MACHINE_END
diff --git a/arch/arm/mach-footbridge/include/mach/system.h b/arch/arm/mach-footbridge/include/mach/system.h
index 249f895910f..794a02c867f 100644
--- a/arch/arm/mach-footbridge/include/mach/system.h
+++ b/arch/arm/mach-footbridge/include/mach/system.h
@@ -7,12 +7,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#include <linux/io.h>
-#include <asm/hardware/dec21285.h>
-#include <mach/hardware.h>
-#include <asm/leds.h>
-#include <asm/mach-types.h>
-
static inline void arch_idle(void)
{
cpu_do_idle();
@@ -20,50 +14,4 @@ static inline void arch_idle(void)
static inline void arch_reset(char mode, const char *cmd)
{
- if (mode == 's') {
- /*
- * Jump into the ROM
- */
- soft_restart(0x41000000);
- } else {
- if (machine_is_netwinder()) {
- /* 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);
- } else {
- /*
- * Force the watchdog to do a CPU reset.
- *
- * After making sure that the watchdog is disabled
- * (so we can change the timer registers) we first
- * enable the timer to autoreload itself. Next, the
- * timer interval is set really short and any
- * current interrupt request is cleared (so we can
- * see an edge transition). Finally, TIMER4 is
- * enabled as the watchdog.
- */
- *CSR_SA110_CNTL &= ~(1 << 13);
- *CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE |
- TIMER_CNTL_AUTORELOAD |
- TIMER_CNTL_DIV16;
- *CSR_TIMER4_LOAD = 0x2;
- *CSR_TIMER4_CLR = 0;
- *CSR_SA110_CNTL |= (1 << 13);
- }
- }
}
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index 0d3846f3b60..80a1c5cc907 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
diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c
index f41dba39b32..e1e9990fa95 100644
--- a/arch/arm/mach-footbridge/personal.c
+++ b/arch/arm/mach-footbridge/personal.c
@@ -19,5 +19,6 @@ MACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &footbridge_timer,
+ .restart = footbridge_restart,
MACHINE_END