2 * linux/arch/arm/mach-pxa/cm-x255.c
4 * Copyright (C) 2007, 2008 CompuLab, Ltd.
5 * Mike Rapoport <mike@compulab.co.il>
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.
12 #include <linux/platform_device.h>
13 #include <linux/irq.h>
14 #include <linux/gpio.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/mtd/nand-gpio.h>
19 #include <linux/spi/spi.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/map.h>
25 #include <mach/pxa25x.h>
26 #include <mach/pxa2xx_spi.h>
30 #define GPIO_NAND_CS (5)
31 #define GPIO_NAND_ALE (4)
32 #define GPIO_NAND_CLE (3)
33 #define GPIO_NAND_RB (10)
35 static unsigned long cmx255_pin_config[] = {
38 GPIO29_AC97_SDATA_IN_0,
39 GPIO30_AC97_SDATA_OUT,
79 /* SDRAM and local bus */
88 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
89 GPIO9_GPIO, /* PC card reset */
92 GPIO5_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
93 GPIO4_GPIO | MFP_LPM_DRIVE_LOW, /* NAND ALE */
94 GPIO3_GPIO | MFP_LPM_DRIVE_LOW, /* NAND CLE */
95 GPIO10_GPIO, /* NAND Ready/Busy */
98 GPIO22_GPIO, /* DM9000 interrupt */
101 #if defined(CONFIG_SPI_PXA2XX)
102 static struct pxa2xx_spi_master pxa_ssp_master_info = {
106 static struct spi_board_info spi_board_info[] __initdata = {
108 .modalias = "rtc-max6902",
109 .max_speed_hz = 1000000,
115 static void __init cmx255_init_rtc(void)
117 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
118 spi_register_board_info(ARRAY_AND_SIZE(spi_board_info));
121 static inline void cmx255_init_rtc(void) {}
124 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
125 static struct mtd_partition cmx255_nor_partitions[] = {
130 .mask_flags = MTD_WRITEABLE /* force read-only */
132 .name = "ARMmon setup block",
134 .offset = MTDPART_OFS_APPEND,
135 .mask_flags = MTD_WRITEABLE /* force read-only */
139 .offset = MTDPART_OFS_APPEND,
142 .size = MTDPART_SIZ_FULL,
143 .offset = MTDPART_OFS_APPEND
147 static struct physmap_flash_data cmx255_nor_flash_data[] = {
149 .width = 2, /* bankwidth in bytes */
150 .parts = cmx255_nor_partitions,
151 .nr_parts = ARRAY_SIZE(cmx255_nor_partitions)
155 static struct resource cmx255_nor_resource = {
156 .start = PXA_CS0_PHYS,
157 .end = PXA_CS0_PHYS + SZ_8M - 1,
158 .flags = IORESOURCE_MEM,
161 static struct platform_device cmx255_nor = {
162 .name = "physmap-flash",
165 .platform_data = cmx255_nor_flash_data,
167 .resource = &cmx255_nor_resource,
171 static void __init cmx255_init_nor(void)
173 platform_device_register(&cmx255_nor);
176 static inline void cmx255_init_nor(void) {}
179 #if defined(CONFIG_MTD_NAND_GPIO) || defined(CONFIG_MTD_NAND_GPIO_MODULE)
180 static struct resource cmx255_nand_resource[] = {
182 .start = PXA_CS1_PHYS,
183 .end = PXA_CS1_PHYS + 11,
184 .flags = IORESOURCE_MEM,
187 .start = PXA_CS5_PHYS,
188 .end = PXA_CS5_PHYS + 3,
189 .flags = IORESOURCE_MEM,
193 static struct mtd_partition cmx255_nand_parts[] = {
195 .name = "cmx255-nand",
196 .size = MTDPART_SIZ_FULL,
201 static struct gpio_nand_platdata cmx255_nand_platdata = {
202 .gpio_nce = GPIO_NAND_CS,
203 .gpio_cle = GPIO_NAND_CLE,
204 .gpio_ale = GPIO_NAND_ALE,
205 .gpio_rdy = GPIO_NAND_RB,
207 .parts = cmx255_nand_parts,
208 .num_parts = ARRAY_SIZE(cmx255_nand_parts),
212 static struct platform_device cmx255_nand = {
214 .num_resources = ARRAY_SIZE(cmx255_nand_resource),
215 .resource = cmx255_nand_resource,
218 .platform_data = &cmx255_nand_platdata,
222 static void __init cmx255_init_nand(void)
224 platform_device_register(&cmx255_nand);
227 static inline void cmx255_init_nand(void) {}
230 void __init cmx255_init(void)
232 pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx255_pin_config));