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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/alchemy/devboards/db1x00/
1/*
2 * DBAu1xxx board platform device registration
3 *
4 * Copyright (C) 2009 Manuel Lauss
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19 */
20
21#include <linux/init.h>
22#include <linux/platform_device.h>
23
24#include <asm/mach-au1x00/au1xxx.h>
25#include <asm/mach-db1x00/bcsr.h>
26#include "../platform.h"
27
28/* DB1xxx PCMCIA interrupt sources:
29 * CD0/1 	GPIO0/3
30 * STSCHG0/1	GPIO1/4
31 * CARD0/1	GPIO2/5
32 * Db1550:	0/1, 21/22, 3/5
33 */
34
35#define DB1XXX_HAS_PCMCIA
36#define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
37
38#if defined(CONFIG_MIPS_DB1000)
39#define DB1XXX_PCMCIA_CD0	AU1000_GPIO0_INT
40#define DB1XXX_PCMCIA_STSCHG0	AU1000_GPIO1_INT
41#define DB1XXX_PCMCIA_CARD0	AU1000_GPIO2_INT
42#define DB1XXX_PCMCIA_CD1	AU1000_GPIO3_INT
43#define DB1XXX_PCMCIA_STSCHG1	AU1000_GPIO4_INT
44#define DB1XXX_PCMCIA_CARD1	AU1000_GPIO5_INT
45#define BOARD_FLASH_SIZE	0x02000000 /* 32MB */
46#define BOARD_FLASH_WIDTH	4 /* 32-bits */
47#elif defined(CONFIG_MIPS_DB1100)
48#define DB1XXX_PCMCIA_CD0	AU1100_GPIO0_INT
49#define DB1XXX_PCMCIA_STSCHG0	AU1100_GPIO1_INT
50#define DB1XXX_PCMCIA_CARD0	AU1100_GPIO2_INT
51#define DB1XXX_PCMCIA_CD1	AU1100_GPIO3_INT
52#define DB1XXX_PCMCIA_STSCHG1	AU1100_GPIO4_INT
53#define DB1XXX_PCMCIA_CARD1	AU1100_GPIO5_INT
54#define BOARD_FLASH_SIZE	0x02000000 /* 32MB */
55#define BOARD_FLASH_WIDTH	4 /* 32-bits */
56#elif defined(CONFIG_MIPS_DB1500)
57#define DB1XXX_PCMCIA_CD0	AU1500_GPIO0_INT
58#define DB1XXX_PCMCIA_STSCHG0	AU1500_GPIO1_INT
59#define DB1XXX_PCMCIA_CARD0	AU1500_GPIO2_INT
60#define DB1XXX_PCMCIA_CD1	AU1500_GPIO3_INT
61#define DB1XXX_PCMCIA_STSCHG1	AU1500_GPIO4_INT
62#define DB1XXX_PCMCIA_CARD1	AU1500_GPIO5_INT
63#define BOARD_FLASH_SIZE	0x02000000 /* 32MB */
64#define BOARD_FLASH_WIDTH	4 /* 32-bits */
65#elif defined(CONFIG_MIPS_DB1550)
66#define DB1XXX_PCMCIA_CD0	AU1550_GPIO0_INT
67#define DB1XXX_PCMCIA_STSCHG0	AU1550_GPIO21_INT
68#define DB1XXX_PCMCIA_CARD0	AU1550_GPIO3_INT
69#define DB1XXX_PCMCIA_CD1	AU1550_GPIO1_INT
70#define DB1XXX_PCMCIA_STSCHG1	AU1550_GPIO22_INT
71#define DB1XXX_PCMCIA_CARD1	AU1550_GPIO5_INT
72#define BOARD_FLASH_SIZE	0x08000000 /* 128MB */
73#define BOARD_FLASH_WIDTH	4 /* 32-bits */
74#else
75/* other board: no PCMCIA */
76#undef DB1XXX_HAS_PCMCIA
77#undef F_SWAPPED
78#define F_SWAPPED 0
79#if defined(CONFIG_MIPS_BOSPORUS)
80#define BOARD_FLASH_SIZE	0x01000000 /* 16MB */
81#define BOARD_FLASH_WIDTH	2 /* 16-bits */
82#elif defined(CONFIG_MIPS_MIRAGE)
83#define BOARD_FLASH_SIZE	0x04000000 /* 64MB */
84#define BOARD_FLASH_WIDTH	4 /* 32-bits */
85#endif
86#endif
87
88static int __init db1xxx_dev_init(void)
89{
90#ifdef DB1XXX_HAS_PCMCIA
91	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
92				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
93				    PCMCIA_MEM_PHYS_ADDR,
94				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
95				    PCMCIA_IO_PHYS_ADDR,
96				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
97				    DB1XXX_PCMCIA_CARD0,
98				    DB1XXX_PCMCIA_CD0,
99				    /*DB1XXX_PCMCIA_STSCHG0*/0,
100				    0,
101				    0);
102
103	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
104				    PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
105				    PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
106				    PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
107				    PCMCIA_IO_PHYS_ADDR   + 0x004000000,
108				    PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
109				    DB1XXX_PCMCIA_CARD1,
110				    DB1XXX_PCMCIA_CD1,
111				    /*DB1XXX_PCMCIA_STSCHG1*/0,
112				    0,
113				    1);
114#endif
115	db1x_register_norflash(BOARD_FLASH_SIZE, BOARD_FLASH_WIDTH, F_SWAPPED);
116	return 0;
117}
118device_initcall(db1xxx_dev_init);
119