1/*
2 * AMD Alchemy PB1200 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_PB1200_H
25#define __ASM_PB1200_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 0xAD800000
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_SD1WP		0x0800
106#define BCSR_STATUS_U0RXD		0x1000
107#define BCSR_STATUS_U1RXD		0x2000
108
109#define BCSR_SWITCHES_OCTAL	0x00FF
110#define BCSR_SWITCHES_DIP_1	0x0080
111#define BCSR_SWITCHES_DIP_2	0x0040
112#define BCSR_SWITCHES_DIP_3	0x0020
113#define BCSR_SWITCHES_DIP_4	0x0010
114#define BCSR_SWITCHES_DIP_5	0x0008
115#define BCSR_SWITCHES_DIP_6	0x0004
116#define BCSR_SWITCHES_DIP_7	0x0002
117#define BCSR_SWITCHES_DIP_8	0x0001
118#define BCSR_SWITCHES_ROTARY	0x0F00
119
120#define BCSR_RESETS_ETH		0x0001
121#define BCSR_RESETS_CAMERA	0x0002
122#define BCSR_RESETS_DC		0x0004
123#define BCSR_RESETS_IDE		0x0008
124/* not resets but in the same register */
125#define BCSR_RESETS_WSCFSM  0x0800
126#define BCSR_RESETS_PCS0MUX	0x1000
127#define BCSR_RESETS_PCS1MUX	0x2000
128#define BCSR_RESETS_SPISEL	0x4000
129#define BCSR_RESETS_SD1MUX  0x8000
130
131#define BCSR_PCMCIA_PC0VPP	0x0003
132#define BCSR_PCMCIA_PC0VCC	0x000C
133#define BCSR_PCMCIA_PC0DRVEN	0x0010
134#define BCSR_PCMCIA_PC0RST	0x0080
135#define BCSR_PCMCIA_PC1VPP	0x0300
136#define BCSR_PCMCIA_PC1VCC	0x0C00
137#define BCSR_PCMCIA_PC1DRVEN	0x1000
138#define BCSR_PCMCIA_PC1RST	0x8000
139
140#define BCSR_BOARD_LCDVEE	0x0001
141#define BCSR_BOARD_LCDVDD	0x0002
142#define BCSR_BOARD_LCDBL	0x0004
143#define BCSR_BOARD_CAMSNAP	0x0010
144#define BCSR_BOARD_CAMPWR	0x0020
145#define BCSR_BOARD_SD0PWR	0x0040
146#define BCSR_BOARD_SD1PWR	0x0080
147
148#define BCSR_LEDS_DECIMALS	0x00FF
149#define BCSR_LEDS_LED0		0x0100
150#define BCSR_LEDS_LED1		0x0200
151#define BCSR_LEDS_LED2		0x0400
152#define BCSR_LEDS_LED3		0x0800
153
154#define BCSR_SYSTEM_VDDI	0x001F
155#define BCSR_SYSTEM_POWEROFF	0x4000
156#define BCSR_SYSTEM_RESET	0x8000
157
158/* Bit positions for the different interrupt sources */
159#define BCSR_INT_IDE		0x0001
160#define BCSR_INT_ETH		0x0002
161#define BCSR_INT_PC0		0x0004
162#define BCSR_INT_PC0STSCHG	0x0008
163#define BCSR_INT_PC1		0x0010
164#define BCSR_INT_PC1STSCHG	0x0020
165#define BCSR_INT_DC			0x0040
166#define BCSR_INT_FLASHBUSY	0x0080
167#define BCSR_INT_PC0INSERT	0x0100
168#define BCSR_INT_PC0EJECT	0x0200
169#define BCSR_INT_PC1INSERT	0x0400
170#define BCSR_INT_PC1EJECT	0x0800
171#define BCSR_INT_SD0INSERT	0x1000
172#define BCSR_INT_SD0EJECT	0x2000
173#define BCSR_INT_SD1INSERT	0x4000
174#define BCSR_INT_SD1EJECT	0x8000
175
176/* PCMCIA Db1x00 specific defines */
177#define PCMCIA_MAX_SOCK 1
178#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
179
180/* VPP/VCC */
181#define SET_VCC_VPP(VCC, VPP, SLOT)\
182	((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
183
184#define AU1XXX_SMC91111_PHYS_ADDR	(0x0D000300)
185#define AU1XXX_SMC91111_IRQ			PB1200_ETH_INT
186
187#define AU1XXX_ATA_PHYS_ADDR		(0x0C800000)
188#define AU1XXX_ATA_PHYS_LEN			(0x100)
189#define AU1XXX_ATA_REG_OFFSET	(5)
190#define AU1XXX_ATA_INT			PB1200_IDE_INT
191#define AU1XXX_ATA_DDMA_REQ		DSCR_CMD0_DMA_REQ1;
192#define AU1XXX_ATA_RQSIZE		128
193
194#define NAND_PHYS_ADDR   0x1C000000
195
196/* Timing values as described in databook, * ns value stripped of
197 * lower 2 bits.
198 * These defines are here rather than an SOC1200 generic file because
199 * the parts chosen on another board may be different and may require
200 * different timings.
201 */
202#define NAND_T_H			(18 >> 2)
203#define NAND_T_PUL			(30 >> 2)
204#define NAND_T_SU			(30 >> 2)
205#define NAND_T_WH			(30 >> 2)
206
207/* Bitfield shift amounts */
208#define NAND_T_H_SHIFT		0
209#define NAND_T_PUL_SHIFT	4
210#define NAND_T_SU_SHIFT		8
211#define NAND_T_WH_SHIFT		12
212
213#define NAND_TIMING	((NAND_T_H   & 0xF)	<< NAND_T_H_SHIFT)   | \
214			((NAND_T_PUL & 0xF)	<< NAND_T_PUL_SHIFT) | \
215			((NAND_T_SU  & 0xF)	<< NAND_T_SU_SHIFT)  | \
216			((NAND_T_WH  & 0xF)	<< NAND_T_WH_SHIFT)
217
218
219/*
220 *	External Interrupts for Pb1200 as of 8/6/2004.
221 *   Bit positions in the CPLD registers can be calculated by taking
222 *   the interrupt define and subtracting the PB1200_INT_BEGIN value.
223 *    *example: IDE bis pos is  = 64 - 64
224                ETH bit pos is  = 65 - 64
225 */
226#define PB1200_INT_BEGIN		(AU1000_LAST_INTC1_INT + 1)
227#define PB1200_IDE_INT			(PB1200_INT_BEGIN + 0)
228#define PB1200_ETH_INT			(PB1200_INT_BEGIN + 1)
229#define PB1200_PC0_INT			(PB1200_INT_BEGIN + 2)
230#define PB1200_PC0_STSCHG_INT	(PB1200_INT_BEGIN + 3)
231#define PB1200_PC1_INT			(PB1200_INT_BEGIN + 4)
232#define PB1200_PC1_STSCHG_INT	(PB1200_INT_BEGIN + 5)
233#define PB1200_DC_INT			(PB1200_INT_BEGIN + 6)
234#define PB1200_FLASHBUSY_INT	(PB1200_INT_BEGIN + 7)
235#define PB1200_PC0_INSERT_INT	(PB1200_INT_BEGIN + 8)
236#define PB1200_PC0_EJECT_INT	(PB1200_INT_BEGIN + 9)
237#define PB1200_PC1_INSERT_INT	(PB1200_INT_BEGIN + 10)
238#define PB1200_PC1_EJECT_INT	(PB1200_INT_BEGIN + 11)
239#define PB1200_SD0_INSERT_INT	(PB1200_INT_BEGIN + 12)
240#define PB1200_SD0_EJECT_INT	(PB1200_INT_BEGIN + 13)
241#define PB1200_SD1_INSERT_INT	(PB1200_INT_BEGIN + 14)
242#define PB1200_SD1_EJECT_INT	(PB1200_INT_BEGIN + 15)
243
244#define PB1200_INT_END			(PB1200_INT_BEGIN + 15)
245
246/* For drivers/pcmcia/au1000_db1x00.c */
247#define BOARD_PC0_INT PB1200_PC0_INT
248#define BOARD_PC1_INT PB1200_PC1_INT
249#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1<<(8+(2*SOCKET)))
250
251/* Nand chip select */
252#define NAND_CS 1
253
254#endif /* __ASM_PB1200_H */
255