PM: add BF60x flash suspend and resume support

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/arch/blackfin/mach-bf609/boards/ezkit.c b/arch/blackfin/mach-bf609/boards/ezkit.c
index 9f9f597dc1be..36fbdacc0b76 100644
--- a/arch/blackfin/mach-bf609/boards/ezkit.c
+++ b/arch/blackfin/mach-bf609/boards/ezkit.c
@@ -677,10 +677,25 @@ int bf609_nor_flash_init(struct platform_device *dev)
         return 0;
 }
 
+void bf609_nor_flash_exit(struct platform_device *dev)
+{
+        const unsigned short pins[] = {
+                P_A3, P_A4, P_A5, P_A6, P_A7, P_A8, P_A9, P_A10, P_A11, P_A12,
+                P_A13, P_A14, P_A15, P_A16, P_A17, P_A18, P_A19, P_A20, P_A21,
+                P_A22, P_A23, P_A24, P_A25, P_NORCK, 0,
+        };
+
+        peripheral_free_list(pins);
+
+        bfin_write32(SMC_GCTL, 0);
+        return 0;
+}
+
 static struct physmap_flash_data ezkit_flash_data = {
         .width      = 2,
         .parts      = ezkit_partitions,
-        .init       = bf609_nor_flash_init,
+        .init       = bf609_nor_flash_init,
+        .exit       = bf609_nor_flash_exit,
         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 #ifdef CONFIG_ROMKERNEL
         .probe_type = "map_rom",