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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/mips/include/asm/mach-pb1x00/
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#include <asm/mach-au1x00/au1000.h>
29#include <asm/mach-au1x00/au1xxx_psc.h>
30
31#define DBDMA_AC97_TX_CHAN	DSCR_CMD0_PSC1_TX
32#define DBDMA_AC97_RX_CHAN	DSCR_CMD0_PSC1_RX
33#define DBDMA_I2S_TX_CHAN	DSCR_CMD0_PSC1_TX
34#define DBDMA_I2S_RX_CHAN	DSCR_CMD0_PSC1_RX
35
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/*
43 * AC97 and I2S are muxed on the Pb1200 board.
44 * Refer to board documentation.
45 */
46#define AC97_PSC_BASE       PSC1_BASE_ADDR
47#define I2S_PSC_BASE	PSC1_BASE_ADDR
48
49
50#define BCSR_SYSTEM_VDDI	0x001F
51#define BCSR_SYSTEM_POWEROFF	0x4000
52#define BCSR_SYSTEM_RESET	0x8000
53
54/* Bit positions for the different interrupt sources */
55#define BCSR_INT_IDE		0x0001
56#define BCSR_INT_ETH		0x0002
57#define BCSR_INT_PC0		0x0004
58#define BCSR_INT_PC0STSCHG	0x0008
59#define BCSR_INT_PC1		0x0010
60#define BCSR_INT_PC1STSCHG	0x0020
61#define BCSR_INT_DC		0x0040
62#define BCSR_INT_FLASHBUSY	0x0080
63#define BCSR_INT_PC0INSERT	0x0100
64#define BCSR_INT_PC0EJECT	0x0200
65#define BCSR_INT_PC1INSERT	0x0400
66#define BCSR_INT_PC1EJECT	0x0800
67#define BCSR_INT_SD0INSERT	0x1000
68#define BCSR_INT_SD0EJECT	0x2000
69#define BCSR_INT_SD1INSERT	0x4000
70#define BCSR_INT_SD1EJECT	0x8000
71
72#define SMC91C111_PHYS_ADDR	0x0D000300
73#define SMC91C111_INT		PB1200_ETH_INT
74
75#define IDE_PHYS_ADDR		0x0C800000
76#define IDE_REG_SHIFT		5
77#define IDE_PHYS_LEN		(16 << IDE_REG_SHIFT)
78#define IDE_INT 		PB1200_IDE_INT
79#define IDE_DDMA_REQ		DSCR_CMD0_DMA_REQ1
80#define IDE_RQSIZE		128
81
82#define NAND_PHYS_ADDR 	0x1C000000
83
84/*
85 * Timing values as described in databook, * ns value stripped of
86 * lower 2 bits.
87 * These defines are here rather than an Au1200 generic file because
88 * the parts chosen on another board may be different and may require
89 * different timings.
90 */
91#define NAND_T_H		(18 >> 2)
92#define NAND_T_PUL		(30 >> 2)
93#define NAND_T_SU		(30 >> 2)
94#define NAND_T_WH		(30 >> 2)
95
96/* Bitfield shift amounts */
97#define NAND_T_H_SHIFT		0
98#define NAND_T_PUL_SHIFT	4
99#define NAND_T_SU_SHIFT		8
100#define NAND_T_WH_SHIFT		12
101
102#define NAND_TIMING	(((NAND_T_H   & 0xF) << NAND_T_H_SHIFT)   | \
103			 ((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
104			 ((NAND_T_SU  & 0xF) << NAND_T_SU_SHIFT)  | \
105			 ((NAND_T_WH  & 0xF) << NAND_T_WH_SHIFT))
106
107/*
108 * External Interrupts for Pb1200 as of 8/6/2004.
109 * Bit positions in the CPLD registers can be calculated by taking
110 * the interrupt define and subtracting the PB1200_INT_BEGIN value.
111 *
112 *   Example: IDE bis pos is  = 64 - 64
113 *            ETH bit pos is  = 65 - 64
114 */
115enum external_pb1200_ints {
116	PB1200_INT_BEGIN	= AU1000_MAX_INTR + 1,
117
118	PB1200_IDE_INT		= PB1200_INT_BEGIN,
119	PB1200_ETH_INT,
120	PB1200_PC0_INT,
121	PB1200_PC0_STSCHG_INT,
122	PB1200_PC1_INT,
123	PB1200_PC1_STSCHG_INT,
124	PB1200_DC_INT,
125	PB1200_FLASHBUSY_INT,
126	PB1200_PC0_INSERT_INT,
127	PB1200_PC0_EJECT_INT,
128	PB1200_PC1_INSERT_INT,
129	PB1200_PC1_EJECT_INT,
130	PB1200_SD0_INSERT_INT,
131	PB1200_SD0_EJECT_INT,
132	PB1200_SD1_INSERT_INT,
133	PB1200_SD1_EJECT_INT,
134
135	PB1200_INT_END		= PB1200_INT_BEGIN + 15
136};
137
138/* NAND chip select */
139#define NAND_CS 1
140
141#endif /* __ASM_PB1200_H */
142