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1 | /* |
2 | * AMD Alchemy DB1x00 Reference Boards | |
3 | * | |
4 | * Copyright 2001 MontaVista Software Inc. | |
5 | * Author: MontaVista Software, Inc. | |
6 | * ppopov@mvista.com or source@mvista.com | |
7 | * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) | |
8 | * | |
9 | * ######################################################################## | |
10 | * | |
11 | * This program is free software; you can distribute it and/or modify it | |
12 | * under the terms of the GNU General Public License (Version 2) as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope it will be useful, but WITHOUT | |
16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
17 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
18 | * for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License along | |
21 | * with this program; if not, write to the Free Software Foundation, Inc., | |
22 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
23 | * | |
24 | * ######################################################################## | |
25 | * | |
42a3b4f2 | 26 | * |
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27 | */ |
28 | #ifndef __ASM_DB1X00_H | |
29 | #define __ASM_DB1X00_H | |
30 | ||
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31 | |
32 | #ifdef CONFIG_MIPS_DB1550 | |
f2c780c1 SS |
33 | |
34 | #define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX | |
35 | #define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX | |
36 | #define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC3_TX | |
37 | #define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC3_RX | |
38 | ||
39 | #define SPI_PSC_BASE PSC0_BASE_ADDR | |
40 | #define AC97_PSC_BASE PSC1_BASE_ADDR | |
41 | #define SMBUS_PSC_BASE PSC2_BASE_ADDR | |
42 | #define I2S_PSC_BASE PSC3_BASE_ADDR | |
43 | ||
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44 | #define BCSR_KSEG1_ADDR 0xAF000000 |
45 | #define NAND_PHYS_ADDR 0x20000000 | |
f2c780c1 | 46 | |
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47 | #else |
48 | #define BCSR_KSEG1_ADDR 0xAE000000 | |
49 | #endif | |
50 | ||
51 | /* | |
52 | * Overlay data structure of the Db1x00 board registers. | |
53 | * Registers located at physical 0E0000xx, KSEG1 0xAE0000xx | |
54 | */ | |
55 | typedef volatile struct | |
56 | { | |
57 | /*00*/ unsigned short whoami; | |
58 | unsigned short reserved0; | |
59 | /*04*/ unsigned short status; | |
60 | unsigned short reserved1; | |
61 | /*08*/ unsigned short switches; | |
62 | unsigned short reserved2; | |
63 | /*0C*/ unsigned short resets; | |
64 | unsigned short reserved3; | |
65 | /*10*/ unsigned short pcmcia; | |
66 | unsigned short reserved4; | |
67 | /*14*/ unsigned short specific; | |
68 | unsigned short reserved5; | |
69 | /*18*/ unsigned short leds; | |
70 | unsigned short reserved6; | |
71 | /*1C*/ unsigned short swreset; | |
72 | unsigned short reserved7; | |
73 | ||
74 | } BCSR; | |
75 | ||
76 | ||
77 | /* | |
78 | * Register/mask bit definitions for the BCSRs | |
79 | */ | |
80 | #define BCSR_WHOAMI_DCID 0x000F | |
81 | #define BCSR_WHOAMI_CPLD 0x00F0 | |
82 | #define BCSR_WHOAMI_BOARD 0x0F00 | |
83 | ||
84 | #define BCSR_STATUS_PC0VS 0x0003 | |
85 | #define BCSR_STATUS_PC1VS 0x000C | |
86 | #define BCSR_STATUS_PC0FI 0x0010 | |
87 | #define BCSR_STATUS_PC1FI 0x0020 | |
88 | #define BCSR_STATUS_FLASHBUSY 0x0100 | |
89 | #define BCSR_STATUS_ROMBUSY 0x0400 | |
90 | #define BCSR_STATUS_SWAPBOOT 0x2000 | |
91 | #define BCSR_STATUS_FLASHDEN 0xC000 | |
92 | ||
93 | #define BCSR_SWITCHES_DIP 0x00FF | |
94 | #define BCSR_SWITCHES_DIP_1 0x0080 | |
95 | #define BCSR_SWITCHES_DIP_2 0x0040 | |
96 | #define BCSR_SWITCHES_DIP_3 0x0020 | |
97 | #define BCSR_SWITCHES_DIP_4 0x0010 | |
98 | #define BCSR_SWITCHES_DIP_5 0x0008 | |
99 | #define BCSR_SWITCHES_DIP_6 0x0004 | |
100 | #define BCSR_SWITCHES_DIP_7 0x0002 | |
101 | #define BCSR_SWITCHES_DIP_8 0x0001 | |
102 | #define BCSR_SWITCHES_ROTARY 0x0F00 | |
103 | ||
104 | #define BCSR_RESETS_PHY0 0x0001 | |
105 | #define BCSR_RESETS_PHY1 0x0002 | |
106 | #define BCSR_RESETS_DC 0x0004 | |
107 | #define BCSR_RESETS_FIR_SEL 0x2000 | |
108 | #define BCSR_RESETS_IRDA_MODE_MASK 0xC000 | |
109 | #define BCSR_RESETS_IRDA_MODE_FULL 0x0000 | |
110 | #define BCSR_RESETS_IRDA_MODE_OFF 0x4000 | |
111 | #define BCSR_RESETS_IRDA_MODE_2_3 0x8000 | |
112 | #define BCSR_RESETS_IRDA_MODE_1_3 0xC000 | |
113 | ||
114 | #define BCSR_PCMCIA_PC0VPP 0x0003 | |
115 | #define BCSR_PCMCIA_PC0VCC 0x000C | |
116 | #define BCSR_PCMCIA_PC0DRVEN 0x0010 | |
117 | #define BCSR_PCMCIA_PC0RST 0x0080 | |
118 | #define BCSR_PCMCIA_PC1VPP 0x0300 | |
119 | #define BCSR_PCMCIA_PC1VCC 0x0C00 | |
120 | #define BCSR_PCMCIA_PC1DRVEN 0x1000 | |
121 | #define BCSR_PCMCIA_PC1RST 0x8000 | |
122 | ||
123 | #define BCSR_BOARD_PCIM66EN 0x0001 | |
124 | #define BCSR_BOARD_SD0_PWR 0x0040 | |
125 | #define BCSR_BOARD_SD1_PWR 0x0080 | |
126 | #define BCSR_BOARD_PCIM33 0x0100 | |
127 | #define BCSR_BOARD_GPIO200RST 0x0400 | |
128 | #define BCSR_BOARD_PCICFG 0x1000 | |
129 | #define BCSR_BOARD_SD0_WP 0x4000 | |
130 | #define BCSR_BOARD_SD1_WP 0x8000 | |
131 | ||
132 | #define BCSR_LEDS_DECIMALS 0x0003 | |
133 | #define BCSR_LEDS_LED0 0x0100 | |
134 | #define BCSR_LEDS_LED1 0x0200 | |
135 | #define BCSR_LEDS_LED2 0x0400 | |
136 | #define BCSR_LEDS_LED3 0x0800 | |
137 | ||
138 | #define BCSR_SWRESET_RESET 0x0080 | |
139 | ||
140 | /* PCMCIA Db1x00 specific defines */ | |
141 | #define PCMCIA_MAX_SOCK 1 | |
142 | #define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1) | |
143 | ||
144 | /* VPP/VCC */ | |
145 | #define SET_VCC_VPP(VCC, VPP, SLOT)\ | |
146 | ((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8)) | |
147 | ||
148 | /* SD controller macros */ | |
149 | /* | |
150 | * Detect card. | |
151 | */ | |
152 | #define mmc_card_inserted(_n_, _res_) \ | |
153 | do { \ | |
154 | BCSR * const bcsr = (BCSR *)0xAE000000; \ | |
155 | unsigned long mmc_wp, board_specific; \ | |
156 | if ((_n_)) { \ | |
157 | mmc_wp = BCSR_BOARD_SD1_WP; \ | |
158 | } else { \ | |
159 | mmc_wp = BCSR_BOARD_SD0_WP; \ | |
160 | } \ | |
161 | board_specific = au_readl((unsigned long)(&bcsr->specific)); \ | |
162 | if (!(board_specific & mmc_wp)) {/* low means card present */ \ | |
163 | *(int *)(_res_) = 1; \ | |
164 | } else { \ | |
165 | *(int *)(_res_) = 0; \ | |
166 | } \ | |
167 | } while (0) | |
168 | ||
169 | /* | |
170 | * Apply power to card slot(s). | |
171 | */ | |
172 | #define mmc_power_on(_n_) \ | |
173 | do { \ | |
174 | BCSR * const bcsr = (BCSR *)0xAE000000; \ | |
175 | unsigned long mmc_pwr, mmc_wp, board_specific; \ | |
176 | if ((_n_)) { \ | |
177 | mmc_pwr = BCSR_BOARD_SD1_PWR; \ | |
178 | mmc_wp = BCSR_BOARD_SD1_WP; \ | |
179 | } else { \ | |
180 | mmc_pwr = BCSR_BOARD_SD0_PWR; \ | |
181 | mmc_wp = BCSR_BOARD_SD0_WP; \ | |
182 | } \ | |
183 | board_specific = au_readl((unsigned long)(&bcsr->specific)); \ | |
184 | if (!(board_specific & mmc_wp)) {/* low means card present */ \ | |
185 | board_specific |= mmc_pwr; \ | |
186 | au_writel(board_specific, (int)(&bcsr->specific)); \ | |
187 | au_sync(); \ | |
188 | } \ | |
189 | } while (0) | |
190 | ||
191 | ||
192 | /* NAND defines */ | |
193 | /* Timing values as described in databook, * ns value stripped of | |
194 | * lower 2 bits. | |
195 | * These defines are here rather than an SOC1550 generic file because | |
196 | * the parts chosen on another board may be different and may require | |
197 | * different timings. | |
198 | */ | |
199 | #define NAND_T_H (18 >> 2) | |
200 | #define NAND_T_PUL (30 >> 2) | |
201 | #define NAND_T_SU (30 >> 2) | |
202 | #define NAND_T_WH (30 >> 2) | |
203 | ||
204 | /* Bitfield shift amounts */ | |
205 | #define NAND_T_H_SHIFT 0 | |
206 | #define NAND_T_PUL_SHIFT 4 | |
207 | #define NAND_T_SU_SHIFT 8 | |
208 | #define NAND_T_WH_SHIFT 12 | |
209 | ||
210 | #define NAND_TIMING ((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \ | |
211 | ((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \ | |
212 | ((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \ | |
213 | ((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT) | |
bdc3c3c7 RB |
214 | #define NAND_CS 1 |
215 | ||
216 | /* should be done by yamon */ | |
217 | #define NAND_STCFG 0x00400005 /* 8-bit NAND */ | |
218 | #define NAND_STTIME 0x00007774 /* valid for 396MHz SD=2 only */ | |
219 | #define NAND_STADDR 0x12000FFF /* physical address 0x20000000 */ | |
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220 | |
221 | #endif /* __ASM_DB1X00_H */ | |
222 |