MIPS: Alchemy: Clean up GPIO registers and accessors
[linux-2.6.git] / arch / mips / alchemy / devboards / pb1200 / platform.c
1 /*
2  * Pb1200/DBAu1200 board platform device registration
3  *
4  * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.com>
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/dma-mapping.h>
22 #include <linux/init.h>
23 #include <linux/leds.h>
24 #include <linux/platform_device.h>
25 #include <linux/smc91x.h>
26
27 #include <asm/mach-au1x00/au1xxx.h>
28 #include <asm/mach-au1x00/au1100_mmc.h>
29 #include <asm/mach-db1x00/bcsr.h>
30
31 #include "../platform.h"
32
33 static int mmc_activity;
34
35 static void pb1200mmc0_set_power(void *mmc_host, int state)
36 {
37         if (state)
38                 bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR);
39         else
40                 bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0);
41
42         msleep(1);
43 }
44
45 static int pb1200mmc0_card_readonly(void *mmc_host)
46 {
47         return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0;
48 }
49
50 static int pb1200mmc0_card_inserted(void *mmc_host)
51 {
52         return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0;
53 }
54
55 static void pb1200_mmcled_set(struct led_classdev *led,
56                         enum led_brightness brightness)
57 {
58         if (brightness != LED_OFF) {
59                 if (++mmc_activity == 1)
60                         bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
61         } else {
62                 if (--mmc_activity == 0)
63                         bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
64         }
65 }
66
67 static struct led_classdev pb1200mmc_led = {
68         .brightness_set = pb1200_mmcled_set,
69 };
70
71 static void pb1200mmc1_set_power(void *mmc_host, int state)
72 {
73         if (state)
74                 bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR);
75         else
76                 bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0);
77
78         msleep(1);
79 }
80
81 static int pb1200mmc1_card_readonly(void *mmc_host)
82 {
83         return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0;
84 }
85
86 static int pb1200mmc1_card_inserted(void *mmc_host)
87 {
88         return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
89 }
90
91 const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
92         [0] = {
93                 .set_power      = pb1200mmc0_set_power,
94                 .card_inserted  = pb1200mmc0_card_inserted,
95                 .card_readonly  = pb1200mmc0_card_readonly,
96                 .cd_setup       = NULL,         /* use poll-timer in driver */
97                 .led            = &pb1200mmc_led,
98         },
99         [1] = {
100                 .set_power      = pb1200mmc1_set_power,
101                 .card_inserted  = pb1200mmc1_card_inserted,
102                 .card_readonly  = pb1200mmc1_card_readonly,
103                 .cd_setup       = NULL,         /* use poll-timer in driver */
104                 .led            = &pb1200mmc_led,
105         },
106 };
107
108 static struct resource ide_resources[] = {
109         [0] = {
110                 .start  = IDE_PHYS_ADDR,
111                 .end    = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
112                 .flags  = IORESOURCE_MEM
113         },
114         [1] = {
115                 .start  = IDE_INT,
116                 .end    = IDE_INT,
117                 .flags  = IORESOURCE_IRQ
118         }
119 };
120
121 static u64 ide_dmamask = DMA_BIT_MASK(32);
122
123 static struct platform_device ide_device = {
124         .name           = "au1200-ide",
125         .id             = 0,
126         .dev = {
127                 .dma_mask               = &ide_dmamask,
128                 .coherent_dma_mask      = DMA_BIT_MASK(32),
129         },
130         .num_resources  = ARRAY_SIZE(ide_resources),
131         .resource       = ide_resources
132 };
133
134 static struct smc91x_platdata smc_data = {
135         .flags  = SMC91X_NOWAIT | SMC91X_USE_16BIT,
136         .leda   = RPC_LED_100_10,
137         .ledb   = RPC_LED_TX_RX,
138 };
139
140 static struct resource smc91c111_resources[] = {
141         [0] = {
142                 .name   = "smc91x-regs",
143                 .start  = SMC91C111_PHYS_ADDR,
144                 .end    = SMC91C111_PHYS_ADDR + 0xf,
145                 .flags  = IORESOURCE_MEM
146         },
147         [1] = {
148                 .start  = SMC91C111_INT,
149                 .end    = SMC91C111_INT,
150                 .flags  = IORESOURCE_IRQ
151         },
152 };
153
154 static struct platform_device smc91c111_device = {
155         .dev    = {
156                 .platform_data  = &smc_data,
157         },
158         .name           = "smc91x",
159         .id             = -1,
160         .num_resources  = ARRAY_SIZE(smc91c111_resources),
161         .resource       = smc91c111_resources
162 };
163
164 static struct platform_device *board_platform_devices[] __initdata = {
165         &ide_device,
166         &smc91c111_device
167 };
168
169 static int __init board_register_devices(void)
170 {
171         int swapped;
172
173         db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
174                                     PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
175                                     PCMCIA_MEM_PHYS_ADDR,
176                                     PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
177                                     PCMCIA_IO_PHYS_ADDR,
178                                     PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
179                                     PB1200_PC0_INT,
180                                     PB1200_PC0_INSERT_INT,
181                                     /*PB1200_PC0_STSCHG_INT*/0,
182                                     PB1200_PC0_EJECT_INT,
183                                     0);
184
185         db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
186                                     PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
187                                     PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
188                                     PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
189                                     PCMCIA_IO_PHYS_ADDR   + 0x008000000,
190                                     PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
191                                     PB1200_PC1_INT,
192                                     PB1200_PC1_INSERT_INT,
193                                     /*PB1200_PC1_STSCHG_INT*/0,
194                                     PB1200_PC1_EJECT_INT,
195                                     1);
196
197         swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1200_SWAPBOOT;
198         db1x_register_norflash(128 * 1024 * 1024, 2, swapped);
199
200         return platform_add_devices(board_platform_devices,
201                                     ARRAY_SIZE(board_platform_devices));
202 }
203 device_initcall(board_register_devices);