sh: Add Ecovec24 specific memory pre/post sleep code

Add self-refresh handling code for the Ecovec24 board.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index c3d05e5be2e9..2274985753a4 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -26,6 +26,7 @@
 #include <asm/sh_eth.h>
 #include <asm/sh_keysc.h>
 #include <asm/clock.h>
+#include <asm/suspend.h>
 #include <cpu/sh7724.h>
 
 /*
@@ -526,8 +527,21 @@ static void __init sh_eth_init(struct sh_eth_plat_data *pd)
 
 #define PORT_HIZA 0xA4050158
 #define IODRIVEA  0xA405018A
+
+extern char ecovec24_sdram_enter_start;
+extern char ecovec24_sdram_enter_end;
+extern char ecovec24_sdram_leave_start;
+extern char ecovec24_sdram_leave_end;
+
 static int __init arch_setup(void)
 {
+        /* register board specific self-refresh code */
+        sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
+                                        &ecovec24_sdram_enter_start,
+                                        &ecovec24_sdram_enter_end,
+                                        &ecovec24_sdram_leave_start,
+                                        &ecovec24_sdram_leave_end);
+
         /* enable STATUS0, STATUS2 and PDSTATUS */
         gpio_request(GPIO_FN_STATUS0, NULL);
         gpio_request(GPIO_FN_STATUS2, NULL);