1/* 2 * linux/arch/arm/mach-pxa/colibri-pxa270.c 3 * 4 * Support for Toradex PXA270 based Colibri module 5 * Daniel Mack <daniel@caiaq.de> 6 * Marek Vasut <marek.vasut@gmail.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13#include <linux/init.h> 14#include <linux/interrupt.h> 15#include <linux/moduleparam.h> 16#include <linux/kernel.h> 17#include <linux/mtd/mtd.h> 18#include <linux/mtd/partitions.h> 19#include <linux/mtd/physmap.h> 20#include <linux/platform_device.h> 21#include <linux/ucb1400.h> 22 23#include <asm/mach/arch.h> 24#include <asm/mach/flash.h> 25#include <asm/mach-types.h> 26#include <asm/sizes.h> 27 28#include <mach/audio.h> 29#include <mach/colibri.h> 30#include <mach/pxa27x.h> 31 32#include "devices.h" 33#include "generic.h" 34 35/****************************************************************************** 36 * Evaluation board MFP 37 ******************************************************************************/ 38#ifdef CONFIG_MACH_COLIBRI_EVALBOARD 39static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = { 40 /* MMC */ 41 GPIO32_MMC_CLK, 42 GPIO92_MMC_DAT_0, 43 GPIO109_MMC_DAT_1, 44 GPIO110_MMC_DAT_2, 45 GPIO111_MMC_DAT_3, 46 GPIO112_MMC_CMD, 47 GPIO0_GPIO, /* SD detect */ 48 49 /* FFUART */ 50 GPIO39_FFUART_TXD, 51 GPIO34_FFUART_RXD, 52 53 /* UHC */ 54 GPIO88_USBH1_PWR, 55 GPIO89_USBH1_PEN, 56 GPIO119_USBH2_PWR, 57 GPIO120_USBH2_PEN, 58 59 /* PCMCIA */ 60 GPIO85_nPCE_1, 61 GPIO54_nPCE_2, 62 GPIO55_nPREG, 63 GPIO50_nPIOR, 64 GPIO51_nPIOW, 65 GPIO49_nPWE, 66 GPIO48_nPOE, 67 GPIO57_nIOIS16, 68 GPIO56_nPWAIT, 69 GPIO104_PSKTSEL, 70 GPIO53_GPIO, /* RESET */ 71 GPIO83_GPIO, /* BVD1 */ 72 GPIO82_GPIO, /* BVD2 */ 73 GPIO1_GPIO, /* READY */ 74 GPIO84_GPIO, /* DETECT */ 75 GPIO107_GPIO, /* PPEN */ 76 77 /* I2C */ 78 GPIO117_I2C_SCL, 79 GPIO118_I2C_SDA, 80}; 81#else 82static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {}; 83#endif 84 85#ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME 86static mfp_cfg_t income_pin_config[] __initdata = { 87 /* MMC */ 88 GPIO32_MMC_CLK, 89 GPIO92_MMC_DAT_0, 90 GPIO109_MMC_DAT_1, 91 GPIO110_MMC_DAT_2, 92 GPIO111_MMC_DAT_3, 93 GPIO112_MMC_CMD, 94 GPIO0_GPIO, /* SD detect */ 95 GPIO1_GPIO, /* SD read-only */ 96 97 /* FFUART */ 98 GPIO39_FFUART_TXD, 99 GPIO34_FFUART_RXD, 100 101 /* BFUART */ 102 GPIO42_BTUART_RXD, 103 GPIO43_BTUART_TXD, 104 GPIO45_BTUART_RTS, 105 106 /* STUART */ 107 GPIO46_STUART_RXD, 108 GPIO47_STUART_TXD, 109 110 /* UHC */ 111 GPIO88_USBH1_PWR, 112 GPIO89_USBH1_PEN, 113 114 /* LCD */ 115 GPIOxx_LCD_TFT_16BPP, 116 117 /* PWM */ 118 GPIO16_PWM0_OUT, 119 120 /* I2C */ 121 GPIO117_I2C_SCL, 122 GPIO118_I2C_SDA, 123 124 /* LED */ 125 GPIO54_GPIO, /* LED A */ 126 GPIO55_GPIO, /* LED B */ 127}; 128#else 129static mfp_cfg_t income_pin_config[] __initdata = {}; 130#endif 131 132/****************************************************************************** 133 * Pin configuration 134 ******************************************************************************/ 135static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = { 136 /* Ethernet */ 137 GPIO78_nCS_2, /* Ethernet CS */ 138 GPIO114_GPIO, /* Ethernet IRQ */ 139 140 /* AC97 */ 141 GPIO28_AC97_BITCLK, 142 GPIO29_AC97_SDATA_IN_0, 143 GPIO30_AC97_SDATA_OUT, 144 GPIO31_AC97_SYNC, 145 GPIO95_AC97_nRESET, 146 GPIO98_AC97_SYSCLK, 147 GPIO113_GPIO, /* Touchscreen IRQ */ 148}; 149 150/****************************************************************************** 151 * NOR Flash 152 ******************************************************************************/ 153#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) 154static struct mtd_partition colibri_partitions[] = { 155 { 156 .name = "Bootloader", 157 .offset = 0x00000000, 158 .size = 0x00040000, 159 .mask_flags = MTD_WRITEABLE /* force read-only */ 160 }, { 161 .name = "Kernel", 162 .offset = 0x00040000, 163 .size = 0x00400000, 164 .mask_flags = 0 165 }, { 166 .name = "Rootfs", 167 .offset = 0x00440000, 168 .size = MTDPART_SIZ_FULL, 169 .mask_flags = 0 170 } 171}; 172 173static struct physmap_flash_data colibri_flash_data[] = { 174 { 175 .width = 4, /* bankwidth in bytes */ 176 .parts = colibri_partitions, 177 .nr_parts = ARRAY_SIZE(colibri_partitions) 178 } 179}; 180 181static struct resource colibri_pxa270_flash_resource = { 182 .start = PXA_CS0_PHYS, 183 .end = PXA_CS0_PHYS + SZ_32M - 1, 184 .flags = IORESOURCE_MEM, 185}; 186 187static struct platform_device colibri_pxa270_flash_device = { 188 .name = "physmap-flash", 189 .id = 0, 190 .dev = { 191 .platform_data = colibri_flash_data, 192 }, 193 .resource = &colibri_pxa270_flash_resource, 194 .num_resources = 1, 195}; 196 197static void __init colibri_pxa270_nor_init(void) 198{ 199 platform_device_register(&colibri_pxa270_flash_device); 200} 201#else 202static inline void colibri_pxa270_nor_init(void) {} 203#endif 204 205/****************************************************************************** 206 * Ethernet 207 ******************************************************************************/ 208#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) 209static struct resource colibri_pxa270_dm9000_resources[] = { 210 { 211 .start = PXA_CS2_PHYS, 212 .end = PXA_CS2_PHYS + 3, 213 .flags = IORESOURCE_MEM, 214 }, 215 { 216 .start = PXA_CS2_PHYS + 4, 217 .end = PXA_CS2_PHYS + 4 + 500, 218 .flags = IORESOURCE_MEM, 219 }, 220 { 221 .start = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), 222 .end = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), 223 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, 224 }, 225}; 226 227static struct platform_device colibri_pxa270_dm9000_device = { 228 .name = "dm9000", 229 .id = -1, 230 .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources), 231 .resource = colibri_pxa270_dm9000_resources, 232}; 233 234static void __init colibri_pxa270_eth_init(void) 235{ 236 platform_device_register(&colibri_pxa270_dm9000_device); 237} 238#else 239static inline void colibri_pxa270_eth_init(void) {} 240#endif 241 242/****************************************************************************** 243 * Audio and Touchscreen 244 ******************************************************************************/ 245#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ 246 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) 247static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = { 248 .reset_gpio = 95, 249}; 250 251static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = { 252 .irq = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ), 253}; 254 255static struct platform_device colibri_pxa270_ucb1400_device = { 256 .name = "ucb1400_core", 257 .id = -1, 258 .dev = { 259 .platform_data = &colibri_pxa270_ucb1400_pdata, 260 }, 261}; 262 263static void __init colibri_pxa270_tsc_init(void) 264{ 265 pxa_set_ac97_info(&colibri_pxa270_ac97_pdata); 266 platform_device_register(&colibri_pxa270_ucb1400_device); 267} 268#else 269static inline void colibri_pxa270_tsc_init(void) {} 270#endif 271 272static int colibri_pxa270_baseboard; 273core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444); 274 275static void __init colibri_pxa270_init(void) 276{ 277 pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config)); 278 279 colibri_pxa270_nor_init(); 280 colibri_pxa270_eth_init(); 281 colibri_pxa270_tsc_init(); 282 283 switch (colibri_pxa270_baseboard) { 284 case COLIBRI_EVALBOARD: 285 pxa2xx_mfp_config(ARRAY_AND_SIZE( 286 colibri_pxa270_evalboard_pin_config)); 287 colibri_evalboard_init(); 288 break; 289 case COLIBRI_PXA270_INCOME: 290 pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config)); 291 colibri_pxa270_income_boardinit(); 292 break; 293 default: 294 printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", 295 colibri_pxa270_baseboard); 296 } 297} 298 299/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either 300 * with the INCOME mach type or with COLIBRI and the kernel parameter 301 * "colibri_pxa270_baseboard=1" 302 */ 303static void __init colibri_pxa270_income_init(void) 304{ 305 colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME; 306 colibri_pxa270_init(); 307} 308 309MACHINE_START(COLIBRI, "Toradex Colibri PXA270") 310 .atag_offset = 0x100, 311 .init_machine = colibri_pxa270_init, 312 .map_io = pxa27x_map_io, 313 .nr_irqs = PXA_NR_IRQS, 314 .init_irq = pxa27x_init_irq, 315 .handle_irq = pxa27x_handle_irq, 316 .init_time = pxa_timer_init, 317 .restart = pxa_restart, 318MACHINE_END 319 320MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC") 321 .atag_offset = 0x100, 322 .init_machine = colibri_pxa270_income_init, 323 .map_io = pxa27x_map_io, 324 .nr_irqs = PXA_NR_IRQS, 325 .init_irq = pxa27x_init_irq, 326 .handle_irq = pxa27x_handle_irq, 327 .init_time = pxa_timer_init, 328 .restart = pxa_restart, 329MACHINE_END 330 331