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sh: Add ms7724se specific memory pre/post sleep code

PATCH In review Magnus Damm 1 participant 1 message Oct 29, 2009 SuperH

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Magnus Damm

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PATCH 6/7 sh: Add ms7724se specific memory pre/post sleep code

From: Magnus Damm <[email protected]>

Add self-refresh handling code for the MS7724SE board.

Signed-off-by Magnus Damm <[email protected]>

---

 arch/sh/boards/mach-se/7724/Makefile |    1 
 arch/sh/boards/mach-se/7724/sdram.S  |   52 ++++++++++++++++++++++++++++++++++
 arch/sh/boards/mach-se/7724/setup.c  |   12 +++++++
 3 files changed, 64 insertions(+), 1 deletion(-)
arch/sh/boards/mach-se/7724/Makefile +1 -1
@@ -7,4 +7,4 @@
 #
 #
 
-obj-y	 := setup.o irq.o
\ No newline at end of file
+obj-y	 := setup.o irq.o sdram.o
arch/sh/boards/mach-se/7724/sdram.S new file +52 -0

52 lines not on this page · raw message

arch/sh/boards/mach-se/7724/setup.c +12 -0
@@ -28,6 +28,7 @@
 #include <asm/sh_eth.h>
 #include <asm/clock.h>
 #include <asm/sh_keysc.h>
+#include <asm/suspend.h>
 #include <cpu/sh7724.h>
 #include <mach-se/mach/se7724.h>
 

@@ -566,11 +567,22 @@ static void __init sh_eth_init(void)
 #define SW41_G    0x4000
 #define SW41_H    0x8000
 
+extern char ms7724se_sdram_enter_start;
+extern char ms7724se_sdram_enter_end;
+extern char ms7724se_sdram_leave_start;
+extern char ms7724se_sdram_leave_end;
+
 static int __init devices_setup(void)
 {
 	u16 sw = ctrl_inw(SW4140); /* select camera, monitor */
 	struct clk *fsia_clk;
 
+	/* register board specific self-refresh code */
+	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
+					&ms7724se_sdram_enter_start,
+					&ms7724se_sdram_enter_end,
+					&ms7724se_sdram_leave_start,
+					&ms7724se_sdram_leave_end);
 	/* Reset Release */
 	ctrl_outw(ctrl_inw(FPGA_OUT) &
 		  ~((1 << 1)  | /* LAN */