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path: root/drivers/power/reset
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Diffstat (limited to 'drivers/power/reset')
-rw-r--r--drivers/power/reset/Kconfig2
-rw-r--r--drivers/power/reset/arm-versatile-reboot.c39
2 files changed, 29 insertions, 12 deletions
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
index 1131cf75a..0a6408a39 100644
--- a/drivers/power/reset/Kconfig
+++ b/drivers/power/reset/Kconfig
@@ -148,6 +148,7 @@ config POWER_RESET_KEYSTONE
config POWER_RESET_SYSCON
bool "Generic SYSCON regmap reset driver"
depends on OF
+ depends on HAS_IOMEM
select MFD_SYSCON
help
Reboot support for generic SYSCON mapped register reset.
@@ -155,6 +156,7 @@ config POWER_RESET_SYSCON
config POWER_RESET_SYSCON_POWEROFF
bool "Generic SYSCON regmap poweroff driver"
depends on OF
+ depends on HAS_IOMEM
select MFD_SYSCON
help
Poweroff support for generic SYSCON mapped register poweroff.
diff --git a/drivers/power/reset/arm-versatile-reboot.c b/drivers/power/reset/arm-versatile-reboot.c
index b208073c8..06d34ab47 100644
--- a/drivers/power/reset/arm-versatile-reboot.c
+++ b/drivers/power/reset/arm-versatile-reboot.c
@@ -18,8 +18,8 @@
#define INTEGRATOR_HDR_LOCK_OFFSET 0x14
#define INTEGRATOR_CM_CTRL_RESET (1 << 3)
-#define REALVIEW_SYS_LOCK_OFFSET 0x20
-#define REALVIEW_SYS_RESETCTL_OFFSET 0x40
+#define VERSATILE_SYS_LOCK_OFFSET 0x20
+#define VERSATILE_SYS_RESETCTL_OFFSET 0x40
/* Magic unlocking token used on all Versatile boards */
#define VERSATILE_LOCK_VAL 0xA05F
@@ -29,6 +29,7 @@
*/
enum versatile_reboot {
INTEGRATOR_REBOOT_CM,
+ VERSATILE_REBOOT_CM,
REALVIEW_REBOOT_EB,
REALVIEW_REBOOT_PB1176,
REALVIEW_REBOOT_PB11MP,
@@ -46,6 +47,10 @@ static const struct of_device_id versatile_reboot_of_match[] = {
.data = (void *)INTEGRATOR_REBOOT_CM
},
{
+ .compatible = "arm,core-module-versatile",
+ .data = (void *)VERSATILE_REBOOT_CM,
+ },
+ {
.compatible = "arm,realview-eb-syscon",
.data = (void *)REALVIEW_REBOOT_EB,
},
@@ -82,33 +87,43 @@ static int versatile_reboot(struct notifier_block *this, unsigned long mode,
INTEGRATOR_CM_CTRL_RESET,
INTEGRATOR_CM_CTRL_RESET);
break;
+ case VERSATILE_REBOOT_CM:
+ regmap_write(syscon_regmap, VERSATILE_SYS_LOCK_OFFSET,
+ VERSATILE_LOCK_VAL);
+ regmap_update_bits(syscon_regmap,
+ VERSATILE_SYS_RESETCTL_OFFSET,
+ 0x0107,
+ 0x0105);
+ regmap_write(syscon_regmap, VERSATILE_SYS_LOCK_OFFSET,
+ 0);
+ break;
case REALVIEW_REBOOT_EB:
- regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_LOCK_OFFSET,
VERSATILE_LOCK_VAL);
regmap_write(syscon_regmap,
- REALVIEW_SYS_RESETCTL_OFFSET, 0x0008);
+ VERSATILE_SYS_RESETCTL_OFFSET, 0x0008);
break;
case REALVIEW_REBOOT_PB1176:
- regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_LOCK_OFFSET,
VERSATILE_LOCK_VAL);
regmap_write(syscon_regmap,
- REALVIEW_SYS_RESETCTL_OFFSET, 0x0100);
+ VERSATILE_SYS_RESETCTL_OFFSET, 0x0100);
break;
case REALVIEW_REBOOT_PB11MP:
case REALVIEW_REBOOT_PBA8:
- regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_LOCK_OFFSET,
VERSATILE_LOCK_VAL);
- regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_RESETCTL_OFFSET,
0x0000);
- regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_RESETCTL_OFFSET,
0x0004);
break;
case REALVIEW_REBOOT_PBX:
- regmap_write(syscon_regmap, REALVIEW_SYS_LOCK_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_LOCK_OFFSET,
VERSATILE_LOCK_VAL);
- regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_RESETCTL_OFFSET,
0x00f0);
- regmap_write(syscon_regmap, REALVIEW_SYS_RESETCTL_OFFSET,
+ regmap_write(syscon_regmap, VERSATILE_SYS_RESETCTL_OFFSET,
0x00f4);
break;
}