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-rw-r--r--arch/sh/boards/mach-ecovec24/sdram.S59
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c3
2 files changed, 61 insertions, 1 deletions
diff --git a/arch/sh/boards/mach-ecovec24/sdram.S b/arch/sh/boards/mach-ecovec24/sdram.S
index 833440044407..3963c6f23d52 100644
--- a/arch/sh/boards/mach-ecovec24/sdram.S
+++ b/arch/sh/boards/mach-ecovec24/sdram.S
@@ -37,6 +37,10 @@ ENTRY(ecovec24_sdram_enter_end)
37 .balign 4 37 .balign 4
38ENTRY(ecovec24_sdram_leave_start) 38ENTRY(ecovec24_sdram_leave_start)
39 39
40 mov.l @(SH_SLEEP_MODE, r5), r0
41 tst #SUSP_SH_RSTANDBY, r0
42 bf resume_rstandby
43
40 /* DBSC: put memory in auto-refresh mode */ 44 /* DBSC: put memory in auto-refresh mode */
41 45
42 ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ 46 ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
@@ -49,4 +53,59 @@ ENTRY(ecovec24_sdram_leave_start)
49 rts 53 rts
50 nop 54 nop
51 55
56resume_rstandby:
57
58 /* DBSC: re-initialize and put in auto-refresh */
59
60 ED 0xFD000108, 0x00000181 /* DBPDCNT0 */
61 ED 0xFD000020, 0x015B0002 /* DBCONF */
62 ED 0xFD000030, 0x03071502 /* DBTR0 */
63 ED 0xFD000034, 0x02020102 /* DBTR1 */
64 ED 0xFD000038, 0x01090405 /* DBTR2 */
65 ED 0xFD00003C, 0x00000002 /* DBTR3 */
66 ED 0xFD000008, 0x00000005 /* DBKIND */
67 ED 0xFD000040, 0x00000001 /* DBRFPDN0 */
68 ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
69 ED 0xFD000018, 0x00000001 /* DBCKECNT */
70
71 mov #100,r0
72WAIT_400NS:
73 dt r0
74 bf WAIT_400NS
75
76 ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
77 ED 0xFD000060, 0x00020000 /* DBMRCNT (EMR2) */
78 ED 0xFD000060, 0x00030000 /* DBMRCNT (EMR3) */
79 ED 0xFD000060, 0x00010004 /* DBMRCNT (EMR) */
80 ED 0xFD000060, 0x00000532 /* DBMRCNT (MRS) */
81 ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
82 ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
83 ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
84 ED 0xFD000060, 0x00000432 /* DBMRCNT (MRS) */
85 ED 0xFD000060, 0x000103c0 /* DBMRCNT (EMR) */
86 ED 0xFD000060, 0x00010040 /* DBMRCNT (EMR) */
87
88 mov #100,r0
89WAIT_400NS_2:
90 dt r0
91 bf WAIT_400NS_2
92
93 ED 0xFD000010, 0x00000001 /* DBEN */
94 ED 0xFD000044, 0x0000050f /* DBRFPDN1 */
95 ED 0xFD000048, 0x236800e6 /* DBRFPDN2 */
96
97 mov.l DUMMY,r0
98 mov.l @r0, r1 /* force single dummy read */
99
100 ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
101 ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
102 ED 0xFD000108, 0x00000080 /* DBPDCNT0 */
103 ED 0xFD000040, 0x00010000 /* DBRFPDN0 */
104
105 rts
106 nop
107
108 .balign 4
109DUMMY: .long 0xac400000
110
52ENTRY(ecovec24_sdram_leave_end) 111ENTRY(ecovec24_sdram_leave_end)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 8cdf11e00ee6..3248406ea7ff 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -850,7 +850,8 @@ static int __init arch_setup(void)
850 struct clk *clk; 850 struct clk *clk;
851 851
852 /* register board specific self-refresh code */ 852 /* register board specific self-refresh code */
853 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF, 853 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
854 SUSP_SH_RSTANDBY,
854 &ecovec24_sdram_enter_start, 855 &ecovec24_sdram_enter_start,
855 &ecovec24_sdram_enter_end, 856 &ecovec24_sdram_enter_end,
856 &ecovec24_sdram_leave_start, 857 &ecovec24_sdram_leave_start,