1/*
2 * AMD Alchemy DB1200 Referrence Board
3 * Board Registers defines.
4 *
5 * ########################################################################
6 *
7 *  This program is free software; you can distribute it and/or modify it
8 *  under the terms of the GNU General Public License (Version 2) as
9 *  published by the Free Software Foundation.
10 *
11 *  This program is distributed in the hope it will be useful, but WITHOUT
12 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 *  for more details.
15 *
16 *  You should have received a copy of the GNU General Public License along
17 *  with this program; if not, write to the Free Software Foundation, Inc.,
18 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19 *
20 * ########################################################################
21 *
22 *
23 */
24#ifndef __ASM_DB1200_H
25#define __ASM_DB1200_H
26
27#include <linux/types.h>
28
29// This is defined in au1000.h with bogus value
30#undef AU1X00_EXTERNAL_INT
31
32#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
33#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
34#define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX
35#define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX
36
37/* SPI and SMB are muxed on the Pb1200 board.
38   Refer to board documentation.
39 */
40#define SPI_PSC_BASE        PSC0_BASE_ADDR
41#define SMBUS_PSC_BASE      PSC0_BASE_ADDR
42/* AC97 and I2S are muxed on the Pb1200 board.
43   Refer to board documentation.
44 */
45#define AC97_PSC_BASE       PSC1_BASE_ADDR
46#define I2S_PSC_BASE		PSC1_BASE_ADDR
47
48#define BCSR_KSEG1_ADDR 0xB9800000
49
50typedef volatile struct
51{
52	/*00*/	u16 whoami;
53		u16 reserved0;
54	/*04*/	u16 status;
55		u16 reserved1;
56	/*08*/	u16 switches;
57		u16 reserved2;
58	/*0C*/	u16 resets;
59		u16 reserved3;
60
61	/*10*/	u16 pcmcia;
62		u16 reserved4;
63	/*14*/	u16 board;
64		u16 reserved5;
65	/*18*/	u16 disk_leds;
66		u16 reserved6;
67	/*1C*/	u16 system;
68		u16 reserved7;
69
70	/*20*/	u16 intclr;
71		u16 reserved8;
72	/*24*/	u16 intset;
73		u16 reserved9;
74	/*28*/	u16 intclr_mask;
75		u16 reserved10;
76	/*2C*/	u16 intset_mask;
77		u16 reserved11;
78
79	/*30*/	u16 sig_status;
80		u16 reserved12;
81	/*34*/	u16 int_status;
82		u16 reserved13;
83	/*38*/	u16 reserved14;
84		u16 reserved15;
85	/*3C*/	u16 reserved16;
86		u16 reserved17;
87
88} BCSR;
89
90static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
91
92/*
93 * Register bit definitions for the BCSRs
94 */
95#define BCSR_WHOAMI_DCID	0x000F
96#define BCSR_WHOAMI_CPLD	0x00F0
97#define BCSR_WHOAMI_BOARD	0x0F00
98
99#define BCSR_STATUS_PCMCIA0VS	0x0003
100#define BCSR_STATUS_PCMCIA1VS	0x000C
101#define BCSR_STATUS_SWAPBOOT	0x0040
102#define BCSR_STATUS_FLASHBUSY	0x0100
103#define BCSR_STATUS_IDECBLID	0x0200
104#define BCSR_STATUS_SD0WP		0x0400
105#define BCSR_STATUS_U0RXD		0x1000
106#define BCSR_STATUS_U1RXD		0x2000
107
108#define BCSR_SWITCHES_OCTAL	0x00FF
109#define BCSR_SWITCHES_DIP_1	0x0080
110#define BCSR_SWITCHES_DIP_2	0x0040
111#define BCSR_SWITCHES_DIP_3	0x0020
112#define BCSR_SWITCHES_DIP_4	0x0010
113#define BCSR_SWITCHES_DIP_5	0x0008
114#define BCSR_SWITCHES_DIP_6	0x0004
115#define BCSR_SWITCHES_DIP_7	0x0002
116#define BCSR_SWITCHES_DIP_8	0x0001
117#define BCSR_SWITCHES_ROTARY	0x0F00
118
119#define BCSR_RESETS_ETH		0x0001
120#define BCSR_RESETS_CAMERA	0x0002
121#define BCSR_RESETS_DC		0x0004
122#define BCSR_RESETS_IDE		0x0008
123#define BCSR_RESETS_TV		0x0010
124/* not resets but in the same register */
125#define BCSR_RESETS_PWMR1mUX 0x0800
126#define BCSR_RESETS_PCS0MUX	0x1000
127#define BCSR_RESETS_PCS1MUX	0x2000
128#define BCSR_RESETS_SPISEL	0x4000
129
130#define BCSR_PCMCIA_PC0VPP	0x0003
131#define BCSR_PCMCIA_PC0VCC	0x000C
132#define BCSR_PCMCIA_PC0DRVEN	0x0010
133#define BCSR_PCMCIA_PC0RST	0x0080
134#define BCSR_PCMCIA_PC1VPP	0x0300
135#define BCSR_PCMCIA_PC1VCC	0x0C00
136#define BCSR_PCMCIA_PC1DRVEN	0x1000
137#define BCSR_PCMCIA_PC1RST	0x8000
138
139#define BCSR_BOARD_LCDVEE	0x0001
140#define BCSR_BOARD_LCDVDD	0x0002
141#define BCSR_BOARD_LCDBL	0x0004
142#define BCSR_BOARD_CAMSNAP	0x0010
143#define BCSR_BOARD_CAMPWR	0x0020
144#define BCSR_BOARD_SD0PWR	0x0040
145
146#define BCSR_LEDS_DECIMALS	0x0003
147#define BCSR_LEDS_LED0		0x0100
148#define BCSR_LEDS_LED1		0x0200
149#define BCSR_LEDS_LED2		0x0400
150#define BCSR_LEDS_LED3		0x0800
151
152#define BCSR_SYSTEM_POWEROFF	0x4000
153#define BCSR_SYSTEM_RESET	0x8000
154
155/* Bit positions for the different interrupt sources */
156#define BCSR_INT_IDE		0x0001
157#define BCSR_INT_ETH		0x0002
158#define BCSR_INT_PC0		0x0004
159#define BCSR_INT_PC0STSCHG	0x0008
160#define BCSR_INT_PC1		0x0010
161#define BCSR_INT_PC1STSCHG	0x0020
162#define BCSR_INT_DC			0x0040
163#define BCSR_INT_FLASHBUSY	0x0080
164#define BCSR_INT_PC0INSERT	0x0100
165#define BCSR_INT_PC0EJECT	0x0200
166#define BCSR_INT_PC1INSERT	0x0400
167#define BCSR_INT_PC1EJECT	0x0800
168#define BCSR_INT_SD0INSERT	0x1000
169#define BCSR_INT_SD0EJECT	0x2000
170
171#define AU1XXX_SMC91111_PHYS_ADDR	(0x19000300)
172#define AU1XXX_SMC91111_IRQ			DB1200_ETH_INT
173
174#define AU1XXX_ATA_PHYS_ADDR		(0x18800000)
175#define AU1XXX_ATA_PHYS_LEN			(0x100)
176#define AU1XXX_ATA_REG_OFFSET	(5)
177#define AU1XXX_ATA_INT			DB1200_IDE_INT
178#define AU1XXX_ATA_DDMA_REQ		DSCR_CMD0_DMA_REQ1;
179#define AU1XXX_ATA_RQSIZE		128
180
181#define NAND_PHYS_ADDR   0x20000000
182
183/*
184 *	External Interrupts for Pb1200 as of 8/6/2004.
185 *   Bit positions in the CPLD registers can be calculated by taking
186 *   the interrupt define and subtracting the DB1200_INT_BEGIN value.
187 *    *example: IDE bis pos is  = 64 - 64
188                ETH bit pos is  = 65 - 64
189 */
190#define DB1200_INT_BEGIN		(AU1000_LAST_INTC1_INT + 1)
191#define DB1200_IDE_INT			(DB1200_INT_BEGIN + 0)
192#define DB1200_ETH_INT			(DB1200_INT_BEGIN + 1)
193#define DB1200_PC0_INT			(DB1200_INT_BEGIN + 2)
194#define DB1200_PC0_STSCHG_INT	(DB1200_INT_BEGIN + 3)
195#define DB1200_PC1_INT			(DB1200_INT_BEGIN + 4)
196#define DB1200_PC1_STSCHG_INT	(DB1200_INT_BEGIN + 5)
197#define DB1200_DC_INT			(DB1200_INT_BEGIN + 6)
198#define DB1200_FLASHBUSY_INT	(DB1200_INT_BEGIN + 7)
199#define DB1200_PC0_INSERT_INT	(DB1200_INT_BEGIN + 8)
200#define DB1200_PC0_EJECT_INT	(DB1200_INT_BEGIN + 9)
201#define DB1200_PC1_INSERT_INT	(DB1200_INT_BEGIN + 10)
202#define DB1200_PC1_EJECT_INT	(DB1200_INT_BEGIN + 11)
203#define DB1200_SD0_INSERT_INT	(DB1200_INT_BEGIN + 12)
204#define DB1200_SD0_EJECT_INT	(DB1200_INT_BEGIN + 13)
205
206#define DB1200_INT_END			(DB1200_INT_BEGIN + 15)
207
208/* For drivers/pcmcia/au1000_db1x00.c */
209
210/* PCMCIA Db1x00 specific defines */
211
212#define PCMCIA_MAX_SOCK 1
213#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
214
215/* VPP/VCC */
216#define SET_VCC_VPP(VCC, VPP, SLOT)\
217	((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
218
219#define BOARD_PC0_INT DB1200_PC0_INT
220#define BOARD_PC1_INT DB1200_PC1_INT
221#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1<<(8+(2*SOCKET)))
222
223/* Nand chip select */
224#define NAND_CS 1
225
226#endif /* __ASM_DB1200_H */
227