3 Renesaso SuperH / Solution Enginge MS775xSE01 BSC setting.
5 Support CPU : SH7750/SH7750S/SH7750R/SH7751/SH7751R
7 Coyright (c) 2007 Nobuhiro Iwamatsu <iwmatsu@nigauri.org>
9 * SPDX-License-Identifier: GPL-2.0+
15 #include <asm/processor.h>
16 #include <asm/macro.h>
18 #ifdef CONFIG_CPU_SH7751
19 #define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */
20 #define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */
21 #ifdef CONFIG_MARUBUN_PCCARD
22 #define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15
23 A3:2 A2:15 A1:15 A0:6 A0B:7 */
24 #else /* CONFIG_MARUBUN_PCCARD */
25 #define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15
26 A3:2 A2:15 A1:15 A0:6 A0B:7 */
27 #endif /* CONFIG_MARUBUN_PCCARD */
28 #define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
29 A2: 1-3 A1: 1-3 A0: 0-1 */
30 #define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */
31 #define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */
32 #define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, .. */
33 #define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */
34 #else /* CONFIG_CPU_SH7751 */
35 #define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */
36 #define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */
37 #define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15
38 A3:2 A2:15 A1:15 A0:15 A0B:7 */
39 #define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
40 A2: 1-3 A1: 1-3 A0: 0-1 */
41 #define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */
42 #define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */
43 #define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, .. */
44 #define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */
45 #endif /* CONFIG_CPU_SH7751 */
53 write32 CCR_A, CCR_D_DISABLE
56 write16 FRQCR_A, FRQCR_D
58 write32 BCR1_A, BCR1_D
60 write16 BCR2_A, BCR2_D
62 write32 WCR1_A, WCR1_D
64 write32 WCR2_A, WCR2_D
66 write32 WCR3_A, WCR3_D
71 write8 SDMR3_A, SDMR3_D
73 ! Do you need PCMCIA setting?
74 ! If so, please add the lines here...
76 write16 RTCNT_A, RTCNT_D
78 write16 RTCOR_A, RTCOR_D
80 write16 RTCSR_A, RTCSR_D
82 write16 RFCR_A, RFCR_D
84 /* Wait DRAM refresh 30 times */
95 write8 SDMR3_A, SDMR3_D
103 CCR_D_DISABLE: .long 0x0808
106 #ifdef CONFIG_CPU_TYPE_R
107 .word 0x0e1a /* 12:3:3 */
108 #else /* CONFIG_CPU_TYPE_R */
109 #ifdef CONFIG_GOOD_SESH4
110 .word 0x00e13 /* 6:2:1 */
112 .word 0x00e23 /* 6:1:1 */
115 #endif /* CONFIG_CPU_TYPE_R */
118 BCR1_D: .long 0x00000008 /* Area 3 SDRAM */
120 BCR2_D: .long BCR2_D_VALUE /* Bus width settings */
122 WCR1_D: .long WCR1_D_VALUE /* Inter-area or turnaround wait states */
124 WCR2_D: .long WCR2_D_VALUE /* Per-area access and burst wait states */
126 WCR3_D: .long WCR3_D_VALUE /* Address setup and data hold cycles */
128 RTCSR_D: .word 0xA518 /* RTCSR Write Code A5h Data 18h */
131 RTCNT_D: .word 0xA500 /* RTCNT Write Code A5h Data 00h */
134 RTCOR_D: .word RTCOR_D_VALUE /* Set refresh time (about 15us) */
136 SDMR3_A: .long SDMR3_ADDRESS
139 MCR_D1: .long MCR_D1_VALUE
140 MCR_D2: .long MCR_D2_VALUE
142 RFCR_D: .word 0xA400 /* RFCR Write Code A4h Data 00h */