summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/arm/mach-at91/at91cap9.c10
-rw-r--r--arch/arm/mach-at91/at91sam9260.c10
-rw-r--r--arch/arm/mach-at91/at91sam9261.c10
-rw-r--r--arch/arm/mach-at91/at91sam9263.c10
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c10
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c10
-rw-r--r--arch/arm/mach-at91/board-qil-a9260.c2
-rw-r--r--arch/arm/mach-at91/board-usb-a926x.c2
-rw-r--r--arch/arm/mach-at91/generic.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91_shdwc.h16
-rw-r--r--arch/arm/mach-at91/include/mach/at91cap9.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9260.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9261.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9263.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9g45.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9rl.h2
-rw-r--r--arch/arm/mach-at91/pm.c7
-rw-r--r--arch/arm/mach-at91/setup.c17
18 files changed, 52 insertions, 67 deletions
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index 1ea931274bac..652dbe1c9cef 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -13,7 +13,6 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -23,7 +22,6 @@
#include <mach/at91cap9.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
@@ -319,12 +317,6 @@ static void at91cap9_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
-static void at91cap9_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91CAP9 processor initialization
* -------------------------------------------------------------------- */
@@ -336,6 +328,7 @@ static void __init at91cap9_map_io(void)
static void __init at91cap9_ioremap_registers(void)
{
+ at91_ioremap_shdwc(AT91CAP9_BASE_SHDWC);
at91sam926x_ioremap_pit(AT91CAP9_BASE_PIT);
at91sam9_ioremap_smc(0, AT91CAP9_BASE_SMC);
}
@@ -343,7 +336,6 @@ static void __init at91cap9_ioremap_registers(void)
static void __init at91cap9_initialize(void)
{
at91_arch_reset = at91cap9_reset;
- pm_power_off = at91cap9_poweroff;
at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
/* Register GPIO subsystem */
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index fc1f734b80ce..5a17a23724c2 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -11,7 +11,6 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -21,7 +20,6 @@
#include <mach/at91sam9260.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
@@ -287,12 +285,6 @@ static struct at91_gpio_bank at91sam9260_gpio[] = {
}
};
-static void at91sam9260_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91SAM9260 processor initialization
* -------------------------------------------------------------------- */
@@ -328,6 +320,7 @@ static void __init at91sam9260_map_io(void)
static void __init at91sam9260_ioremap_registers(void)
{
+ at91_ioremap_shdwc(AT91SAM9260_BASE_SHDWC);
at91sam926x_ioremap_pit(AT91SAM9260_BASE_PIT);
at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC);
}
@@ -335,7 +328,6 @@ static void __init at91sam9260_ioremap_registers(void)
static void __init at91sam9260_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
- pm_power_off = at91sam9260_poweroff;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
| (1 << AT91SAM9260_ID_IRQ2);
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 804181aedd9e..80e3e0fac6b1 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -11,7 +11,6 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -20,7 +19,6 @@
#include <mach/at91sam9261.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
@@ -268,12 +266,6 @@ static struct at91_gpio_bank at91sam9261_gpio[] = {
}
};
-static void at91sam9261_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91SAM9261 processor initialization
* -------------------------------------------------------------------- */
@@ -288,6 +280,7 @@ static void __init at91sam9261_map_io(void)
static void __init at91sam9261_ioremap_registers(void)
{
+ at91_ioremap_shdwc(AT91SAM9261_BASE_SHDWC);
at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT);
at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC);
}
@@ -295,7 +288,6 @@ static void __init at91sam9261_ioremap_registers(void)
static void __init at91sam9261_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
- pm_power_off = at91sam9261_poweroff;
at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
| (1 << AT91SAM9261_ID_IRQ2);
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index b8f49962e87f..2a42b99d99d1 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -11,7 +11,6 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -19,7 +18,6 @@
#include <mach/at91sam9263.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
@@ -288,12 +286,6 @@ static struct at91_gpio_bank at91sam9263_gpio[] = {
}
};
-static void at91sam9263_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91SAM9263 processor initialization
* -------------------------------------------------------------------- */
@@ -306,6 +298,7 @@ static void __init at91sam9263_map_io(void)
static void __init at91sam9263_ioremap_registers(void)
{
+ at91_ioremap_shdwc(AT91SAM9263_BASE_SHDWC);
at91sam926x_ioremap_pit(AT91SAM9263_BASE_PIT);
at91sam9_ioremap_smc(0, AT91SAM9263_BASE_SMC0);
at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1);
@@ -314,7 +307,6 @@ static void __init at91sam9263_ioremap_registers(void)
static void __init at91sam9263_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
- pm_power_off = at91sam9263_poweroff;
at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
/* Register GPIO subsystem */
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index ce3233f22ed1..7fdf964f6c3a 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -11,7 +11,6 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
#include <linux/dma-mapping.h>
#include <asm/irq.h>
@@ -20,7 +19,6 @@
#include <mach/at91sam9g45.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
#include <mach/cpu.h>
#include "soc.h"
@@ -323,12 +321,6 @@ static void at91sam9g45_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
-static void at91sam9g45_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91SAM9G45 processor initialization
* -------------------------------------------------------------------- */
@@ -341,6 +333,7 @@ static void __init at91sam9g45_map_io(void)
static void __init at91sam9g45_ioremap_registers(void)
{
+ at91_ioremap_shdwc(AT91SAM9G45_BASE_SHDWC);
at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT);
at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC);
}
@@ -348,7 +341,6 @@ static void __init at91sam9g45_ioremap_registers(void)
static void __init at91sam9g45_initialize(void)
{
at91_arch_reset = at91sam9g45_reset;
- pm_power_off = at91sam9g45_poweroff;
at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
/* Register GPIO subsystem */
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 1bcccd705296..6856badc518b 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -10,7 +10,6 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -20,7 +19,6 @@
#include <mach/at91sam9rl.h>
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
@@ -264,12 +262,6 @@ static struct at91_gpio_bank at91sam9rl_gpio[] = {
}
};
-static void at91sam9rl_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91SAM9RL processor initialization
* -------------------------------------------------------------------- */
@@ -293,6 +285,7 @@ static void __init at91sam9rl_map_io(void)
static void __init at91sam9rl_ioremap_registers(void)
{
+ at91_ioremap_shdwc(AT91SAM9RL_BASE_SHDWC);
at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT);
at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC);
}
@@ -300,7 +293,6 @@ static void __init at91sam9rl_ioremap_registers(void)
static void __init at91sam9rl_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
- pm_power_off = at91sam9rl_poweroff;
at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
/* Register GPIO subsystem */
diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c
index 89d44c037291..6eb0c9359866 100644
--- a/arch/arm/mach-at91/board-qil-a9260.c
+++ b/arch/arm/mach-at91/board-qil-a9260.c
@@ -251,7 +251,7 @@ static void __init ek_board_init(void)
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
/* shutdown controller, wakeup button (5 msec low) */
- at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
| AT91_SHDW_RTTWKEN);
}
diff --git a/arch/arm/mach-at91/board-usb-a926x.c b/arch/arm/mach-at91/board-usb-a926x.c
index 6f893cf4d336..dbc2609fa7fe 100644
--- a/arch/arm/mach-at91/board-usb-a926x.c
+++ b/arch/arm/mach-at91/board-usb-a926x.c
@@ -344,7 +344,7 @@ static void __init ek_board_init(void)
/* I2C */
at91_add_device_i2c(NULL, 0);
/* shutdown controller, wakeup button (5 msec low) */
- at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
+ at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
| AT91_SHDW_WKMODE0_LOW
| AT91_SHDW_RTTWKEN);
}
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 8196ecc37ed2..bc1776406f42 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -60,6 +60,9 @@ extern void at91_irq_resume(void);
/* reset */
extern void at91sam9_alt_reset(void);
+/* shutdown */
+extern void at91_ioremap_shdwc(u32 base_addr);
+
/* GPIO */
#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
#define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */
diff --git a/arch/arm/mach-at91/include/mach/at91_shdwc.h b/arch/arm/mach-at91/include/mach/at91_shdwc.h
index c4ce07e8a8fa..1d4fe822c77a 100644
--- a/arch/arm/mach-at91/include/mach/at91_shdwc.h
+++ b/arch/arm/mach-at91/include/mach/at91_shdwc.h
@@ -16,11 +16,21 @@
#ifndef AT91_SHDWC_H
#define AT91_SHDWC_H
-#define AT91_SHDW_CR (AT91_SHDWC + 0x00) /* Shut Down Control Register */
+#ifndef __ASSEMBLY__
+extern void __iomem *at91_shdwc_base;
+
+#define at91_shdwc_read(field) \
+ __raw_readl(at91_shdwc_base + field)
+
+#define at91_shdwc_write(field, value) \
+ __raw_writel(value, at91_shdwc_base + field);
+#endif
+
+#define AT91_SHDW_CR 0x00 /* Shut Down Control Register */
#define AT91_SHDW_SHDW (1 << 0) /* Shut Down command */
#define AT91_SHDW_KEY (0xa5 << 24) /* KEY Password */
-#define AT91_SHDW_MR (AT91_SHDWC + 0x04) /* Shut Down Mode Register */
+#define AT91_SHDW_MR 0x04 /* Shut Down Mode Register */
#define AT91_SHDW_WKMODE0 (3 << 0) /* Wake-up 0 Mode Selection */
#define AT91_SHDW_WKMODE0_NONE 0
#define AT91_SHDW_WKMODE0_HIGH 1
@@ -30,7 +40,7 @@
#define AT91_SHDW_CPTWK0_(x) ((x) << 4)
#define AT91_SHDW_RTTWKEN (1 << 16) /* Real Time Timer Wake-up Enable */
-#define AT91_SHDW_SR (AT91_SHDWC + 0x08) /* Shut Down Status Register */
+#define AT91_SHDW_SR 0x08 /* Shut Down Status Register */
#define AT91_SHDW_WAKEUP0 (1 << 0) /* Wake-up 0 Status */
#define AT91_SHDW_RTTWK (1 << 16) /* Real-time Timer Wake-up */
#define AT91_SHDW_RTCWK (1 << 17) /* Real-time Clock Wake-up [SAM9RL] */
diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h
index cd19f0500cd2..5ac468c219af 100644
--- a/arch/arm/mach-at91/include/mach/at91cap9.h
+++ b/arch/arm/mach-at91/include/mach/at91cap9.h
@@ -86,7 +86,6 @@
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
-#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (cpu_is_at91cap9_revB() ? \
(0xfffffd50 - AT91_BASE_SYS) : \
@@ -99,6 +98,7 @@
#define AT91CAP9_BASE_PIOB 0xfffff400
#define AT91CAP9_BASE_PIOC 0xfffff600
#define AT91CAP9_BASE_PIOD 0xfffff800
+#define AT91CAP9_BASE_SHDWC 0xfffffd10
#define AT91CAP9_BASE_RTT 0xfffffd20
#define AT91CAP9_BASE_PIT 0xfffffd30
diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h
index f964cfaca379..e3c819ab3435 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9260.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9260.h
@@ -86,7 +86,6 @@
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
-#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
@@ -95,6 +94,7 @@
#define AT91SAM9260_BASE_PIOA 0xfffff400
#define AT91SAM9260_BASE_PIOB 0xfffff600
#define AT91SAM9260_BASE_PIOC 0xfffff800
+#define AT91SAM9260_BASE_SHDWC 0xfffffd10
#define AT91SAM9260_BASE_RTT 0xfffffd20
#define AT91SAM9260_BASE_PIT 0xfffffd30
diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h
index 1ea2d6b06c81..f9b516368f96 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9261.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9261.h
@@ -71,7 +71,6 @@
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
-#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
@@ -79,6 +78,7 @@
#define AT91SAM9261_BASE_PIOA 0xfffff400
#define AT91SAM9261_BASE_PIOB 0xfffff600
#define AT91SAM9261_BASE_PIOC 0xfffff800
+#define AT91SAM9261_BASE_SHDWC 0xfffffd10
#define AT91SAM9261_BASE_RTT 0xfffffd20
#define AT91SAM9261_BASE_PIT 0xfffffd30
diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h
index a62a3a8d9087..28d52d588e90 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9263.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9263.h
@@ -81,7 +81,6 @@
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
-#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS)
@@ -94,6 +93,7 @@
#define AT91SAM9263_BASE_PIOC 0xfffff600
#define AT91SAM9263_BASE_PIOD 0xfffff800
#define AT91SAM9263_BASE_PIOE 0xfffffa00
+#define AT91SAM9263_BASE_SHDWC 0xfffffd10
#define AT91SAM9263_BASE_RTT0 0xfffffd20
#define AT91SAM9263_BASE_PIT 0xfffffd30
#define AT91SAM9263_BASE_RTT1 0xfffffd50
diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h
index ac051d427e6b..5f3453ef5866 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9g45.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h
@@ -93,7 +93,6 @@
#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
-#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS)
#define AT91_RTC (0xfffffdb0 - AT91_BASE_SYS)
@@ -106,6 +105,7 @@
#define AT91SAM9G45_BASE_PIOC 0xfffff600
#define AT91SAM9G45_BASE_PIOD 0xfffff800
#define AT91SAM9G45_BASE_PIOE 0xfffffa00
+#define AT91SAM9G45_BASE_SHDWC 0xfffffd10
#define AT91SAM9G45_BASE_RTT 0xfffffd20
#define AT91SAM9G45_BASE_PIT 0xfffffd30
diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h
index c945d4d5de3f..6f3a4eeb7394 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9rl.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h
@@ -75,7 +75,6 @@
#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
-#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
#define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS)
#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS)
@@ -88,6 +87,7 @@
#define AT91SAM9RL_BASE_PIOB 0xfffff600
#define AT91SAM9RL_BASE_PIOC 0xfffff800
#define AT91SAM9RL_BASE_PIOD 0xfffffa00
+#define AT91SAM9RL_BASE_SHDWC 0xfffffd10
#define AT91SAM9RL_BASE_RTT 0xfffffd20
#define AT91SAM9RL_BASE_PIT 0xfffffd30
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 7046158109d7..3a5b7b4279e7 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -34,7 +34,7 @@
/*
* Show the reason for the previous system reset.
*/
-#if defined(AT91_SHDWC)
+#if defined(AT91_RSTC)
#include <mach/at91_rstc.h>
#include <mach/at91_shdwc.h>
@@ -58,8 +58,11 @@ static void __init show_reset_status(void)
char *reason, *r2 = reset;
u32 reset_type, wake_type;
+ if (!at91_shdwc_base)
+ return;
+
reset_type = at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP;
- wake_type = at91_sys_read(AT91_SHDW_SR);
+ wake_type = at91_shdwc_read(AT91_SHDW_SR);
switch (reset_type) {
case AT91_RSTC_RSTTYP_GENERAL:
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 63b3ac2595b7..053c36993154 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/io.h>
#include <linux/mm.h>
+#include <linux/pm.h>
#include <asm/mach/map.h>
@@ -15,6 +16,7 @@
#include <mach/cpu.h>
#include <mach/at91_dbgu.h>
#include <mach/at91_pmc.h>
+#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
@@ -285,6 +287,21 @@ void __init at91_map_io(void)
at91_boot_soc.map_io();
}
+void __iomem *at91_shdwc_base = NULL;
+
+static void at91sam9_poweroff(void)
+{
+ at91_shdwc_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
+void __init at91_ioremap_shdwc(u32 base_addr)
+{
+ at91_shdwc_base = ioremap(base_addr, 16);
+ if (!at91_shdwc_base)
+ panic("Impossible to ioremap at91_shdwc_base\n");
+ pm_power_off = at91sam9_poweroff;
+}
+
void __init at91_initialize(unsigned long main_clock)
{
at91_boot_soc.ioremap_registers();
OpenPOWER on IntegriCloud