5fce022114dece491665a5774945e45645030c69
[linux-2.6.git] / arch / arm / mach-mx3 / pcm037.c
1 /*
2  *  Copyright (C) 2008 Sascha Hauer, Pengutronix
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  */
18
19 #include <linux/types.h>
20 #include <linux/init.h>
21
22 #include <linux/platform_device.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/mtd/plat-ram.h>
25 #include <linux/memory.h>
26 #include <linux/gpio.h>
27 #include <linux/smc911x.h>
28 #include <linux/interrupt.h>
29 #include <linux/i2c.h>
30 #include <linux/i2c/at24.h>
31
32 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/time.h>
36 #include <asm/mach/map.h>
37 #include <mach/common.h>
38 #include <mach/imx-uart.h>
39 #include <mach/iomux-mx3.h>
40 #include <mach/board-pcm037.h>
41 #include <mach/mxc_nand.h>
42 #include <mach/mmc.h>
43 #ifdef CONFIG_I2C_IMX
44 #include <mach/i2c.h>
45 #endif
46
47 #include "devices.h"
48
49 static struct physmap_flash_data pcm037_flash_data = {
50         .width  = 2,
51 };
52
53 static struct resource pcm037_flash_resource = {
54         .start  = 0xa0000000,
55         .end    = 0xa1ffffff,
56         .flags  = IORESOURCE_MEM,
57 };
58
59 static struct platform_device pcm037_flash = {
60         .name   = "physmap-flash",
61         .id     = 0,
62         .dev    = {
63                 .platform_data  = &pcm037_flash_data,
64         },
65         .resource = &pcm037_flash_resource,
66         .num_resources = 1,
67 };
68
69 static struct imxuart_platform_data uart_pdata = {
70         .flags = IMXUART_HAVE_RTSCTS,
71 };
72
73 static struct resource smc911x_resources[] = {
74         [0] = {
75                 .start          = CS1_BASE_ADDR + 0x300,
76                 .end            = CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
77                 .flags          = IORESOURCE_MEM,
78         },
79         [1] = {
80                 .start          = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
81                 .end            = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
82                 .flags          = IORESOURCE_IRQ,
83         },
84 };
85
86 static struct smc911x_platdata smc911x_info = {
87         .flags          = SMC911X_USE_32BIT,
88         .irq_flags      = IRQF_SHARED | IRQF_TRIGGER_LOW,
89 };
90
91 static struct platform_device pcm037_eth = {
92         .name           = "smc911x",
93         .id             = -1,
94         .num_resources  = ARRAY_SIZE(smc911x_resources),
95         .resource       = smc911x_resources,
96         .dev            = {
97                 .platform_data = &smc911x_info,
98         },
99 };
100
101 static struct platdata_mtd_ram pcm038_sram_data = {
102         .bankwidth = 2,
103 };
104
105 static struct resource pcm038_sram_resource = {
106         .start = CS4_BASE_ADDR,
107         .end   = CS4_BASE_ADDR + 512 * 1024 - 1,
108         .flags = IORESOURCE_MEM,
109 };
110
111 static struct platform_device pcm037_sram_device = {
112         .name = "mtd-ram",
113         .id = 0,
114         .dev = {
115                 .platform_data = &pcm038_sram_data,
116         },
117         .num_resources = 1,
118         .resource = &pcm038_sram_resource,
119 };
120
121 static struct mxc_nand_platform_data pcm037_nand_board_info = {
122         .width = 1,
123         .hw_ecc = 1,
124 };
125
126 #ifdef CONFIG_I2C_IMX
127 static int i2c_1_pins[] = {
128         MX31_PIN_CSPI2_MOSI__SCL,
129         MX31_PIN_CSPI2_MISO__SDA,
130 };
131
132 static int pcm037_i2c_1_init(struct device *dev)
133 {
134         return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins),
135                         "i2c-1");
136 }
137
138 static void pcm037_i2c_1_exit(struct device *dev)
139 {
140         mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins));
141 }
142
143 static struct imxi2c_platform_data pcm037_i2c_1_data = {
144         .bitrate = 100000,
145         .init = pcm037_i2c_1_init,
146         .exit = pcm037_i2c_1_exit,
147 };
148
149 static struct at24_platform_data board_eeprom = {
150         .byte_len = 4096,
151         .page_size = 32,
152         .flags = AT24_FLAG_ADDR16,
153 };
154
155 static struct i2c_board_info pcm037_i2c_devices[] = {
156        {
157                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
158                 .platform_data = &board_eeprom,
159         }, {
160                 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
161                 .type = "pcf8563",
162         }
163 };
164 #endif
165
166 static int sdhc1_pins[] = {
167         MX31_PIN_SD1_DATA3__SD1_DATA3,
168         MX31_PIN_SD1_DATA2__SD1_DATA2,
169         MX31_PIN_SD1_DATA1__SD1_DATA1,
170         MX31_PIN_SD1_DATA0__SD1_DATA0,
171         MX31_PIN_SD1_CLK__SD1_CLK,
172         MX31_PIN_SD1_CMD__SD1_CMD,
173 };
174
175 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data)
176 {
177         return mxc_iomux_setup_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins),
178                                 "sdhc-1");
179 }
180
181 static void pcm970_sdhc1_exit(struct device *dev, void *data)
182 {
183         mxc_iomux_release_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins));
184 }
185
186 /* No card and rw detection at the moment */
187 static struct imxmmc_platform_data sdhc_pdata = {
188         .init = pcm970_sdhc1_init,
189         .exit = pcm970_sdhc1_exit,
190 };
191
192 static struct platform_device *devices[] __initdata = {
193         &pcm037_flash,
194         &pcm037_eth,
195         &pcm037_sram_device,
196 };
197
198 static int uart0_pins[] = {
199         MX31_PIN_CTS1__CTS1,
200         MX31_PIN_RTS1__RTS1,
201         MX31_PIN_TXD1__TXD1,
202         MX31_PIN_RXD1__RXD1
203 };
204
205 static int uart2_pins[] = {
206         MX31_PIN_CSPI3_MOSI__RXD3,
207         MX31_PIN_CSPI3_MISO__TXD3
208 };
209
210 /*
211  * Board specific initialization.
212  */
213 static void __init mxc_board_init(void)
214 {
215         platform_add_devices(devices, ARRAY_SIZE(devices));
216
217         mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
218         mxc_register_device(&mxc_uart_device0, &uart_pdata);
219
220         mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
221         mxc_register_device(&mxc_uart_device2, &uart_pdata);
222
223         mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
224         mxc_register_device(&mxc_w1_master_device, NULL);
225
226         /* SMSC9215 IRQ pin */
227         if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
228                                 "pcm037-eth"))
229                 gpio_direction_input(MX31_PIN_GPIO3_1);
230
231 #ifdef CONFIG_I2C_IMX
232         i2c_register_board_info(1, pcm037_i2c_devices,
233                         ARRAY_SIZE(pcm037_i2c_devices));
234
235         mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
236 #endif
237         mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
238         mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
239 }
240
241 static void __init pcm037_timer_init(void)
242 {
243         mx31_clocks_init(26000000);
244 }
245
246 struct sys_timer pcm037_timer = {
247         .init   = pcm037_timer_init,
248 };
249
250 MACHINE_START(PCM037, "Phytec Phycore pcm037")
251         /* Maintainer: Pengutronix */
252         .phys_io        = AIPS1_BASE_ADDR,
253         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
254         .boot_params    = PHYS_OFFSET + 0x100,
255         .map_io         = mxc_map_io,
256         .init_irq       = mxc_init_irq,
257         .init_machine   = mxc_board_init,
258         .timer          = &pcm037_timer,
259 MACHINE_END
260