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Mike Rapoporta7f3f032008-10-05 10:26:55 +01001/*
2 * linux/arch/arm/mach-pxa/cm-x255.c
3 *
4 * Copyright (C) 2007, 2008 CompuLab, Ltd.
5 * Mike Rapoport <mike@compulab.co.il>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/platform_device.h>
13#include <linux/irq.h>
Mike Rapoport49a70612008-10-05 10:29:59 +010014#include <linux/mtd/partitions.h>
15#include <linux/mtd/physmap.h>
16#include <linux/mtd/nand-gpio.h>
Mike Rapoporta7f3f032008-10-05 10:26:55 +010017
18#include <linux/spi/spi.h>
Sebastian Andrzej Siewior8348c252010-11-22 17:12:15 -080019#include <linux/spi/pxa2xx_spi.h>
Mike Rapoporta7f3f032008-10-05 10:26:55 +010020
21#include <asm/mach/arch.h>
22#include <asm/mach-types.h>
23#include <asm/mach/map.h>
24
Eric Miao51c62982009-01-02 23:17:22 +080025#include <mach/pxa25x.h>
Mike Rapoporta7f3f032008-10-05 10:26:55 +010026
27#include "generic.h"
28
Mike Rapoport49a70612008-10-05 10:29:59 +010029#define GPIO_NAND_CS (5)
30#define GPIO_NAND_ALE (4)
31#define GPIO_NAND_CLE (3)
32#define GPIO_NAND_RB (10)
33
Mike Rapoporta7f3f032008-10-05 10:26:55 +010034static unsigned long cmx255_pin_config[] = {
35 /* AC'97 */
36 GPIO28_AC97_BITCLK,
37 GPIO29_AC97_SDATA_IN_0,
38 GPIO30_AC97_SDATA_OUT,
39 GPIO31_AC97_SYNC,
40
41 /* BTUART */
42 GPIO42_BTUART_RXD,
43 GPIO43_BTUART_TXD,
44 GPIO44_BTUART_CTS,
45 GPIO45_BTUART_RTS,
46
47 /* STUART */
48 GPIO46_STUART_RXD,
49 GPIO47_STUART_TXD,
50
51 /* LCD */
Eric Miao07bae6c2010-01-04 11:25:10 +080052 GPIOxx_LCD_TFT_16BPP,
Mike Rapoporta7f3f032008-10-05 10:26:55 +010053
54 /* SSP1 */
55 GPIO23_SSP1_SCLK,
56 GPIO24_SSP1_SFRM,
57 GPIO25_SSP1_TXD,
58 GPIO26_SSP1_RXD,
59
60 /* SSP2 */
61 GPIO81_SSP2_CLK_OUT,
62 GPIO82_SSP2_FRM_OUT,
63 GPIO83_SSP2_TXD,
64 GPIO84_SSP2_RXD,
65
66 /* PC Card */
67 GPIO48_nPOE,
68 GPIO49_nPWE,
69 GPIO50_nPIOR,
70 GPIO51_nPIOW,
71 GPIO52_nPCE_1,
72 GPIO53_nPCE_2,
73 GPIO54_nPSKTSEL,
74 GPIO55_nPREG,
75 GPIO56_nPWAIT,
76 GPIO57_nIOIS16,
77
78 /* SDRAM and local bus */
79 GPIO15_nCS_1,
80 GPIO78_nCS_2,
81 GPIO79_nCS_3,
82 GPIO80_nCS_4,
83 GPIO33_nCS_5,
84 GPIO18_RDY,
85
86 /* GPIO */
87 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
88 GPIO9_GPIO, /* PC card reset */
89
90 /* NAND controls */
91 GPIO5_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
92 GPIO4_GPIO | MFP_LPM_DRIVE_LOW, /* NAND ALE */
93 GPIO3_GPIO | MFP_LPM_DRIVE_LOW, /* NAND CLE */
94 GPIO10_GPIO, /* NAND Ready/Busy */
95
96 /* interrupts */
97 GPIO22_GPIO, /* DM9000 interrupt */
98};
99
100#if defined(CONFIG_SPI_PXA2XX)
101static struct pxa2xx_spi_master pxa_ssp_master_info = {
102 .num_chipselect = 1,
103};
104
105static struct spi_board_info spi_board_info[] __initdata = {
106 [0] = {
107 .modalias = "rtc-max6902",
108 .max_speed_hz = 1000000,
109 .bus_num = 1,
110 .chip_select = 0,
111 },
112};
113
114static void __init cmx255_init_rtc(void)
115{
116 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
117 spi_register_board_info(ARRAY_AND_SIZE(spi_board_info));
118}
119#else
120static inline void cmx255_init_rtc(void) {}
121#endif
122
Mike Rapoport49a70612008-10-05 10:29:59 +0100123#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
124static struct mtd_partition cmx255_nor_partitions[] = {
125 {
126 .name = "ARMmon",
127 .size = 0x00030000,
128 .offset = 0,
129 .mask_flags = MTD_WRITEABLE /* force read-only */
130 } , {
131 .name = "ARMmon setup block",
132 .size = 0x00010000,
133 .offset = MTDPART_OFS_APPEND,
134 .mask_flags = MTD_WRITEABLE /* force read-only */
135 } , {
136 .name = "kernel",
137 .size = 0x00160000,
138 .offset = MTDPART_OFS_APPEND,
139 } , {
140 .name = "ramdisk",
141 .size = MTDPART_SIZ_FULL,
142 .offset = MTDPART_OFS_APPEND
143 }
144};
145
146static struct physmap_flash_data cmx255_nor_flash_data[] = {
147 {
148 .width = 2, /* bankwidth in bytes */
149 .parts = cmx255_nor_partitions,
150 .nr_parts = ARRAY_SIZE(cmx255_nor_partitions)
151 }
152};
153
154static struct resource cmx255_nor_resource = {
155 .start = PXA_CS0_PHYS,
156 .end = PXA_CS0_PHYS + SZ_8M - 1,
157 .flags = IORESOURCE_MEM,
158};
159
160static struct platform_device cmx255_nor = {
161 .name = "physmap-flash",
162 .id = -1,
163 .dev = {
164 .platform_data = cmx255_nor_flash_data,
165 },
166 .resource = &cmx255_nor_resource,
167 .num_resources = 1,
168};
169
170static void __init cmx255_init_nor(void)
171{
172 platform_device_register(&cmx255_nor);
173}
174#else
175static inline void cmx255_init_nor(void) {}
176#endif
177
178#if defined(CONFIG_MTD_NAND_GPIO) || defined(CONFIG_MTD_NAND_GPIO_MODULE)
179static struct resource cmx255_nand_resource[] = {
180 [0] = {
181 .start = PXA_CS1_PHYS,
182 .end = PXA_CS1_PHYS + 11,
183 .flags = IORESOURCE_MEM,
184 },
185 [1] = {
186 .start = PXA_CS5_PHYS,
187 .end = PXA_CS5_PHYS + 3,
188 .flags = IORESOURCE_MEM,
189 },
190};
191
192static struct mtd_partition cmx255_nand_parts[] = {
193 [0] = {
194 .name = "cmx255-nand",
195 .size = MTDPART_SIZ_FULL,
196 .offset = 0,
197 },
198};
199
200static struct gpio_nand_platdata cmx255_nand_platdata = {
201 .gpio_nce = GPIO_NAND_CS,
202 .gpio_cle = GPIO_NAND_CLE,
203 .gpio_ale = GPIO_NAND_ALE,
204 .gpio_rdy = GPIO_NAND_RB,
205 .gpio_nwp = -1,
206 .parts = cmx255_nand_parts,
207 .num_parts = ARRAY_SIZE(cmx255_nand_parts),
208 .chip_delay = 25,
209};
210
211static struct platform_device cmx255_nand = {
212 .name = "gpio-nand",
213 .num_resources = ARRAY_SIZE(cmx255_nand_resource),
214 .resource = cmx255_nand_resource,
215 .id = -1,
216 .dev = {
217 .platform_data = &cmx255_nand_platdata,
218 }
219};
220
221static void __init cmx255_init_nand(void)
222{
223 platform_device_register(&cmx255_nand);
224}
225#else
226static inline void cmx255_init_nand(void) {}
227#endif
228
Mike Rapoporta7f3f032008-10-05 10:26:55 +0100229void __init cmx255_init(void)
230{
231 pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx255_pin_config));
232
233 cmx255_init_rtc();
Mike Rapoport49a70612008-10-05 10:29:59 +0100234 cmx255_init_nor();
235 cmx255_init_nand();
Mike Rapoporta7f3f032008-10-05 10:26:55 +0100236}