Input: ad7877 - keep dma rx buffers in seperate cache lines
[pandora-kernel.git] / arch / arm / mach-mx3 / pcm043.c
1 /*
2  *  Copyright (C) 2009 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 <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/time.h>
35 #include <asm/mach/map.h>
36
37 #include <mach/hardware.h>
38 #include <mach/common.h>
39 #include <mach/imx-uart.h>
40 #if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
41 #include <mach/i2c.h>
42 #endif
43 #include <mach/iomux-mx35.h>
44 #include <mach/ipu.h>
45 #include <mach/mx3fb.h>
46 #include <mach/mxc_nand.h>
47
48 #include "devices.h"
49
50 static const struct fb_videomode fb_modedb[] = {
51         {
52                 /* 240x320 @ 60 Hz */
53                 .name           = "Sharp-LQ035Q7",
54                 .refresh        = 60,
55                 .xres           = 240,
56                 .yres           = 320,
57                 .pixclock       = 185925,
58                 .left_margin    = 9,
59                 .right_margin   = 16,
60                 .upper_margin   = 7,
61                 .lower_margin   = 9,
62                 .hsync_len      = 1,
63                 .vsync_len      = 1,
64                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
65                 .vmode          = FB_VMODE_NONINTERLACED,
66                 .flag           = 0,
67         }, {
68                 /* 240x320 @ 60 Hz */
69                 .name           = "TX090",
70                 .refresh        = 60,
71                 .xres           = 240,
72                 .yres           = 320,
73                 .pixclock       = 38255,
74                 .left_margin    = 144,
75                 .right_margin   = 0,
76                 .upper_margin   = 7,
77                 .lower_margin   = 40,
78                 .hsync_len      = 96,
79                 .vsync_len      = 1,
80                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
81                 .vmode          = FB_VMODE_NONINTERLACED,
82                 .flag           = 0,
83         },
84 };
85
86 static struct ipu_platform_data mx3_ipu_data = {
87         .irq_base = MXC_IPU_IRQ_START,
88 };
89
90 static struct mx3fb_platform_data mx3fb_pdata = {
91         .dma_dev        = &mx3_ipu.dev,
92         .name           = "Sharp-LQ035Q7",
93         .mode           = fb_modedb,
94         .num_modes      = ARRAY_SIZE(fb_modedb),
95 };
96
97 static struct physmap_flash_data pcm043_flash_data = {
98         .width  = 2,
99 };
100
101 static struct resource pcm043_flash_resource = {
102         .start  = 0xa0000000,
103         .end    = 0xa1ffffff,
104         .flags  = IORESOURCE_MEM,
105 };
106
107 static struct platform_device pcm043_flash = {
108         .name   = "physmap-flash",
109         .id     = 0,
110         .dev    = {
111                 .platform_data  = &pcm043_flash_data,
112         },
113         .resource = &pcm043_flash_resource,
114         .num_resources = 1,
115 };
116
117 static struct imxuart_platform_data uart_pdata = {
118         .flags = IMXUART_HAVE_RTSCTS,
119 };
120
121 #if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
122 static struct imxi2c_platform_data pcm043_i2c_1_data = {
123         .bitrate = 50000,
124 };
125
126 static struct at24_platform_data board_eeprom = {
127         .byte_len = 4096,
128         .page_size = 32,
129         .flags = AT24_FLAG_ADDR16,
130 };
131
132 static struct i2c_board_info pcm043_i2c_devices[] = {
133        {
134                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
135                 .platform_data = &board_eeprom,
136         }, {
137                 I2C_BOARD_INFO("pcf8563", 0x51),
138         }
139 };
140 #endif
141
142 static struct platform_device *devices[] __initdata = {
143         &pcm043_flash,
144         &mxc_fec_device,
145 };
146
147 static struct pad_desc pcm043_pads[] = {
148         /* UART1 */
149         MX35_PAD_CTS1__UART1_CTS,
150         MX35_PAD_RTS1__UART1_RTS,
151         MX35_PAD_TXD1__UART1_TXD_MUX,
152         MX35_PAD_RXD1__UART1_RXD_MUX,
153         /* UART2 */
154         MX35_PAD_CTS2__UART2_CTS,
155         MX35_PAD_RTS2__UART2_RTS,
156         MX35_PAD_TXD2__UART2_TXD_MUX,
157         MX35_PAD_RXD2__UART2_RXD_MUX,
158         /* FEC */
159         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
160         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
161         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
162         MX35_PAD_FEC_COL__FEC_COL,
163         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
164         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
165         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
166         MX35_PAD_FEC_MDC__FEC_MDC,
167         MX35_PAD_FEC_MDIO__FEC_MDIO,
168         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
169         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
170         MX35_PAD_FEC_CRS__FEC_CRS,
171         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
172         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
173         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
174         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
175         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
176         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
177         /* I2C1 */
178         MX35_PAD_I2C1_CLK__I2C1_SCL,
179         MX35_PAD_I2C1_DAT__I2C1_SDA,
180         /* Display */
181         MX35_PAD_LD0__IPU_DISPB_DAT_0,
182         MX35_PAD_LD1__IPU_DISPB_DAT_1,
183         MX35_PAD_LD2__IPU_DISPB_DAT_2,
184         MX35_PAD_LD3__IPU_DISPB_DAT_3,
185         MX35_PAD_LD4__IPU_DISPB_DAT_4,
186         MX35_PAD_LD5__IPU_DISPB_DAT_5,
187         MX35_PAD_LD6__IPU_DISPB_DAT_6,
188         MX35_PAD_LD7__IPU_DISPB_DAT_7,
189         MX35_PAD_LD8__IPU_DISPB_DAT_8,
190         MX35_PAD_LD9__IPU_DISPB_DAT_9,
191         MX35_PAD_LD10__IPU_DISPB_DAT_10,
192         MX35_PAD_LD11__IPU_DISPB_DAT_11,
193         MX35_PAD_LD12__IPU_DISPB_DAT_12,
194         MX35_PAD_LD13__IPU_DISPB_DAT_13,
195         MX35_PAD_LD14__IPU_DISPB_DAT_14,
196         MX35_PAD_LD15__IPU_DISPB_DAT_15,
197         MX35_PAD_LD16__IPU_DISPB_DAT_16,
198         MX35_PAD_LD17__IPU_DISPB_DAT_17,
199         MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
200         MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
201         MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
202         MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
203         MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
204         MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
205         MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
206         /* gpio */
207         MX35_PAD_ATA_CS0__GPIO2_6,
208 };
209
210 static struct mxc_nand_platform_data pcm037_nand_board_info = {
211         .width = 1,
212         .hw_ecc = 1,
213 };
214
215 /*
216  * Board specific initialization.
217  */
218 static void __init mxc_board_init(void)
219 {
220         mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
221
222         platform_add_devices(devices, ARRAY_SIZE(devices));
223
224         mxc_register_device(&mxc_uart_device0, &uart_pdata);
225         mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
226
227         mxc_register_device(&mxc_uart_device1, &uart_pdata);
228
229 #if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
230         i2c_register_board_info(0, pcm043_i2c_devices,
231                         ARRAY_SIZE(pcm043_i2c_devices));
232
233         mxc_register_device(&mxc_i2c_device0, &pcm043_i2c_1_data);
234 #endif
235
236         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
237         mxc_register_device(&mx3_fb, &mx3fb_pdata);
238 }
239
240 static void __init pcm043_timer_init(void)
241 {
242         mx35_clocks_init();
243 }
244
245 struct sys_timer pcm043_timer = {
246         .init   = pcm043_timer_init,
247 };
248
249 MACHINE_START(PCM043, "Phytec Phycore pcm043")
250         /* Maintainer: Pengutronix */
251         .phys_io        = AIPS1_BASE_ADDR,
252         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
253         .boot_params    = PHYS_OFFSET + 0x100,
254         .map_io         = mx35_map_io,
255         .init_irq       = mx35_init_irq,
256         .init_machine   = mxc_board_init,
257         .timer          = &pcm043_timer,
258 MACHINE_END
259