2 * AMD Alchemy DB1x00 Reference Boards
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)
9 * ########################################################################
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.
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
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.
24 * ########################################################################
28 #ifndef __ASM_DB1X00_H
29 #define __ASM_DB1X00_H
31 #include <asm/mach-au1x00/au1xxx_psc.h>
33 #ifdef CONFIG_MIPS_DB1550
35 #define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
36 #define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
37 #define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC3_TX
38 #define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC3_RX
40 #define SPI_PSC_BASE PSC0_BASE_ADDR
41 #define AC97_PSC_BASE PSC1_BASE_ADDR
42 #define SMBUS_PSC_BASE PSC2_BASE_ADDR
43 #define I2S_PSC_BASE PSC3_BASE_ADDR
45 #define BCSR_KSEG1_ADDR 0xAF000000
46 #define NAND_PHYS_ADDR 0x20000000
49 #define BCSR_KSEG1_ADDR 0xAE000000
53 * Overlay data structure of the Db1x00 board registers.
54 * Registers located at physical 0E0000xx, KSEG1 0xAE0000xx
56 typedef volatile struct
58 /*00*/ unsigned short whoami;
59 unsigned short reserved0;
60 /*04*/ unsigned short status;
61 unsigned short reserved1;
62 /*08*/ unsigned short switches;
63 unsigned short reserved2;
64 /*0C*/ unsigned short resets;
65 unsigned short reserved3;
66 /*10*/ unsigned short pcmcia;
67 unsigned short reserved4;
68 /*14*/ unsigned short specific;
69 unsigned short reserved5;
70 /*18*/ unsigned short leds;
71 unsigned short reserved6;
72 /*1C*/ unsigned short swreset;
73 unsigned short reserved7;
79 * Register/mask bit definitions for the BCSRs
81 #define BCSR_WHOAMI_DCID 0x000F
82 #define BCSR_WHOAMI_CPLD 0x00F0
83 #define BCSR_WHOAMI_BOARD 0x0F00
85 #define BCSR_STATUS_PC0VS 0x0003
86 #define BCSR_STATUS_PC1VS 0x000C
87 #define BCSR_STATUS_PC0FI 0x0010
88 #define BCSR_STATUS_PC1FI 0x0020
89 #define BCSR_STATUS_FLASHBUSY 0x0100
90 #define BCSR_STATUS_ROMBUSY 0x0400
91 #define BCSR_STATUS_SWAPBOOT 0x2000
92 #define BCSR_STATUS_FLASHDEN 0xC000
94 #define BCSR_SWITCHES_DIP 0x00FF
95 #define BCSR_SWITCHES_DIP_1 0x0080
96 #define BCSR_SWITCHES_DIP_2 0x0040
97 #define BCSR_SWITCHES_DIP_3 0x0020
98 #define BCSR_SWITCHES_DIP_4 0x0010
99 #define BCSR_SWITCHES_DIP_5 0x0008
100 #define BCSR_SWITCHES_DIP_6 0x0004
101 #define BCSR_SWITCHES_DIP_7 0x0002
102 #define BCSR_SWITCHES_DIP_8 0x0001
103 #define BCSR_SWITCHES_ROTARY 0x0F00
105 #define BCSR_RESETS_PHY0 0x0001
106 #define BCSR_RESETS_PHY1 0x0002
107 #define BCSR_RESETS_DC 0x0004
108 #define BCSR_RESETS_FIR_SEL 0x2000
109 #define BCSR_RESETS_IRDA_MODE_MASK 0xC000
110 #define BCSR_RESETS_IRDA_MODE_FULL 0x0000
111 #define BCSR_RESETS_IRDA_MODE_OFF 0x4000
112 #define BCSR_RESETS_IRDA_MODE_2_3 0x8000
113 #define BCSR_RESETS_IRDA_MODE_1_3 0xC000
115 #define BCSR_PCMCIA_PC0VPP 0x0003
116 #define BCSR_PCMCIA_PC0VCC 0x000C
117 #define BCSR_PCMCIA_PC0DRVEN 0x0010
118 #define BCSR_PCMCIA_PC0RST 0x0080
119 #define BCSR_PCMCIA_PC1VPP 0x0300
120 #define BCSR_PCMCIA_PC1VCC 0x0C00
121 #define BCSR_PCMCIA_PC1DRVEN 0x1000
122 #define BCSR_PCMCIA_PC1RST 0x8000
124 #define BCSR_BOARD_PCIM66EN 0x0001
125 #define BCSR_BOARD_SD0_PWR 0x0040
126 #define BCSR_BOARD_SD1_PWR 0x0080
127 #define BCSR_BOARD_PCIM33 0x0100
128 #define BCSR_BOARD_GPIO200RST 0x0400
129 #define BCSR_BOARD_PCICFG 0x1000
130 #define BCSR_BOARD_SD0_WP 0x4000
131 #define BCSR_BOARD_SD1_WP 0x8000
133 #define BCSR_LEDS_DECIMALS 0x0003
134 #define BCSR_LEDS_LED0 0x0100
135 #define BCSR_LEDS_LED1 0x0200
136 #define BCSR_LEDS_LED2 0x0400
137 #define BCSR_LEDS_LED3 0x0800
139 #define BCSR_SWRESET_RESET 0x0080
141 /* PCMCIA Db1x00 specific defines */
142 #define PCMCIA_MAX_SOCK 1
143 #define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
146 #define SET_VCC_VPP(VCC, VPP, SLOT)\
147 ((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
149 /* SD controller macros */
153 #define mmc_card_inserted(_n_, _res_) \
155 BCSR * const bcsr = (BCSR *)0xAE000000; \
156 unsigned long mmc_wp, board_specific; \
158 mmc_wp = BCSR_BOARD_SD1_WP; \
160 mmc_wp = BCSR_BOARD_SD0_WP; \
162 board_specific = au_readl((unsigned long)(&bcsr->specific)); \
163 if (!(board_specific & mmc_wp)) {/* low means card present */ \
164 *(int *)(_res_) = 1; \
166 *(int *)(_res_) = 0; \
171 * Apply power to card slot(s).
173 #define mmc_power_on(_n_) \
175 BCSR * const bcsr = (BCSR *)0xAE000000; \
176 unsigned long mmc_pwr, mmc_wp, board_specific; \
178 mmc_pwr = BCSR_BOARD_SD1_PWR; \
179 mmc_wp = BCSR_BOARD_SD1_WP; \
181 mmc_pwr = BCSR_BOARD_SD0_PWR; \
182 mmc_wp = BCSR_BOARD_SD0_WP; \
184 board_specific = au_readl((unsigned long)(&bcsr->specific)); \
185 if (!(board_specific & mmc_wp)) {/* low means card present */ \
186 board_specific |= mmc_pwr; \
187 au_writel(board_specific, (int)(&bcsr->specific)); \
194 /* Timing values as described in databook, * ns value stripped of
196 * These defines are here rather than an SOC1550 generic file because
197 * the parts chosen on another board may be different and may require
200 #define NAND_T_H (18 >> 2)
201 #define NAND_T_PUL (30 >> 2)
202 #define NAND_T_SU (30 >> 2)
203 #define NAND_T_WH (30 >> 2)
205 /* Bitfield shift amounts */
206 #define NAND_T_H_SHIFT 0
207 #define NAND_T_PUL_SHIFT 4
208 #define NAND_T_SU_SHIFT 8
209 #define NAND_T_WH_SHIFT 12
211 #define NAND_TIMING ((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
212 ((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
213 ((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \
214 ((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)
217 /* should be done by yamon */
218 #define NAND_STCFG 0x00400005 /* 8-bit NAND */
219 #define NAND_STTIME 0x00007774 /* valid for 396MHz SD=2 only */
220 #define NAND_STADDR 0x12000FFF /* physical address 0x20000000 */
222 #endif /* __ASM_DB1X00_H */