Blackfin arch: Functional power management support

Enable: PM_SUSPEND_MEM -> Blackfin Hibernate to SDRAM
This feature requires a special bootloader (u-boot)
supporting return from hibernate.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 7 insertions, 12 deletions

diff --git a/include/asm-blackfin/gpio.h b/include/asm-blackfin/gpio.h
index ff95e9d88342..168f1251eb4d 100644
--- a/include/asm-blackfin/gpio.h
+++ b/include/asm-blackfin/gpio.h
@@ -376,8 +376,12 @@ struct gpio_port_t {
 #endif
 
 #ifdef CONFIG_PM
-unsigned int bfin_pm_setup(void);
-void bfin_pm_restore(void);
+
+unsigned int bfin_pm_standby_setup(void);
+void bfin_pm_standby_restore(void);
+
+void bfin_gpio_pm_hibernate_restore(void);
+void bfin_gpio_pm_hibernate_suspend(void);
 
 #ifndef CONFIG_BF54x
 #define PM_WAKE_RISING  0x1
@@ -392,17 +396,8 @@ void gpio_pm_wakeup_free(unsigned gpio);
 
 struct gpio_port_s {
         unsigned short data;
-        unsigned short data_clear;
-        unsigned short data_set;
-        unsigned short toggle;
         unsigned short maska;
-        unsigned short maska_clear;
-        unsigned short maska_set;
-        unsigned short maska_toggle;
         unsigned short maskb;
-        unsigned short maskb_clear;
-        unsigned short maskb_set;
-        unsigned short maskb_toggle;
         unsigned short dir;
         unsigned short polar;
         unsigned short edge;
@@ -411,10 +406,10 @@ struct gpio_port_s {
 
         unsigned short fer;
         unsigned short reserved;
+        unsigned short mux;
 };
 #endif /*CONFIG_BF54x*/
 #endif /*CONFIG_PM*/
-
 /***********************************************************
 *
 * FUNCTIONS: Blackfin GPIO Driver