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/arch/mips/alchemy/devboards/pb1200/platform.c

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C | 203 lines | 157 code | 27 blank | 19 comment | 9 complexity | 5956a25c612a8c4a53377b22fa994241 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  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
 33static int mmc_activity;
 34
 35static 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
 45static int pb1200mmc0_card_readonly(void *mmc_host)
 46{
 47	return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0;
 48}
 49
 50static int pb1200mmc0_card_inserted(void *mmc_host)
 51{
 52	return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0;
 53}
 54
 55static 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
 67static struct led_classdev pb1200mmc_led = {
 68	.brightness_set	= pb1200_mmcled_set,
 69};
 70
 71static 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
 81static int pb1200mmc1_card_readonly(void *mmc_host)
 82{
 83	return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0;
 84}
 85
 86static int pb1200mmc1_card_inserted(void *mmc_host)
 87{
 88	return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
 89}
 90
 91const 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
108static 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
121static u64 ide_dmamask = DMA_BIT_MASK(32);
122
123static 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
134static 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
140static 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
154static 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
164static struct platform_device *board_platform_devices[] __initdata = {
165	&ide_device,
166	&smc91c111_device
167};
168
169static 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}
203device_initcall(board_register_devices);