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authorMagnus Damm <damm@opensource.se>2009-10-30 04:24:32 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-10-30 14:38:33 +0900
commit03625e7107cde46e2851557ec06426799e6ae7f2 (patch)
tree1dd2b0702f5b044db75bda60f7099c51b60bcaff /arch/sh/kernel/cpu/shmobile
parent99675a7a45ed3cec54d6e1d11f13bcaacaf0909b (diff)
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sh: Use RSMEM for sleep code on sh7724
Use RSMEM instead of ILMEM for sleep mode code storage on SH7724. This allows us to use R-standby mode on SH7724. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/shmobile')
-rw-r--r--arch/sh/kernel/cpu/shmobile/pm.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/sh/kernel/cpu/shmobile/pm.c b/arch/sh/kernel/cpu/shmobile/pm.c
index ca642f39e2e3..4bd5e5302bfb 100644
--- a/arch/sh/kernel/cpu/shmobile/pm.c
+++ b/arch/sh/kernel/cpu/shmobile/pm.c
@@ -41,11 +41,15 @@ ATOMIC_NOTIFIER_HEAD(sh_mobile_post_sleep_notifier_list);
* U-standby mode is low priority since it needs bootloader hacks
*/
-#define ILRAM_BASE 0xe5200000
+#ifdef CONFIG_CPU_SUBTYPE_SH7724
+#define RAM_BASE 0xfd800000 /* RSMEM */
+#else
+#define RAM_BASE 0xe5200000 /* ILRAM */
+#endif
void sh_mobile_call_standby(unsigned long mode)
{
- void *onchip_mem = (void *)ILRAM_BASE;
+ void *onchip_mem = (void *)RAM_BASE;
struct sh_sleep_data *sdp = onchip_mem;
void (*standby_onchip_mem)(unsigned long, unsigned long);
@@ -60,7 +64,7 @@ void sh_mobile_call_standby(unsigned long mode)
flush_cache_all();
/* Let assembly snippet in on-chip memory handle the rest */
- standby_onchip_mem(mode, ILRAM_BASE);
+ standby_onchip_mem(mode, RAM_BASE);
atomic_notifier_call_chain(&sh_mobile_post_sleep_notifier_list,
mode, NULL);
@@ -78,7 +82,7 @@ void sh_mobile_register_self_refresh(unsigned long flags,
void *pre_start, void *pre_end,
void *post_start, void *post_end)
{
- void *onchip_mem = (void *)ILRAM_BASE;
+ void *onchip_mem = (void *)RAM_BASE;
void *vp;
struct sh_sleep_data *sdp;
int n;