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/regulator/machine.h> 22#include <linux/ucb1400.h> 23 24#include <asm/mach/arch.h> 25#include <asm/mach/flash.h> 26#include <asm/mach-types.h> 27#include <asm/sizes.h> 28 29#include <mach/audio.h> 30#include <mach/colibri.h> 31#include <mach/pxa27x.h> 32 33#include "devices.h" 34#include "generic.h" 35 36/****************************************************************************** 37 * Evaluation board MFP 38 ******************************************************************************/ 39#ifdef CONFIG_MACH_COLIBRI_EVALBOARD 40static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = { 41 /* MMC */ 42 GPIO32_MMC_CLK, 43 GPIO92_MMC_DAT_0, 44 GPIO109_MMC_DAT_1, 45 GPIO110_MMC_DAT_2, 46 GPIO111_MMC_DAT_3, 47 GPIO112_MMC_CMD, 48 GPIO0_GPIO, /* SD detect */ 49 50 /* FFUART */ 51 GPIO39_FFUART_TXD, 52 GPIO34_FFUART_RXD, 53 54 /* UHC */ 55 GPIO88_USBH1_PWR, 56 GPIO89_USBH1_PEN, 57 GPIO119_USBH2_PWR, 58 GPIO120_USBH2_PEN, 59 60 /* PCMCIA */ 61 GPIO85_nPCE_1, 62 GPIO54_nPCE_2, 63 GPIO55_nPREG, 64 GPIO50_nPIOR, 65 GPIO51_nPIOW, 66 GPIO49_nPWE, 67 GPIO48_nPOE, 68 GPIO57_nIOIS16, 69 GPIO56_nPWAIT, 70 GPIO104_PSKTSEL, 71 GPIO53_GPIO, /* RESET */ 72 GPIO83_GPIO, /* BVD1 */ 73 GPIO82_GPIO, /* BVD2 */ 74 GPIO1_GPIO, /* READY */ 75 GPIO84_GPIO, /* DETECT */ 76 GPIO107_GPIO, /* PPEN */ 77 78 /* I2C */ 79 GPIO117_I2C_SCL, 80 GPIO118_I2C_SDA, 81}; 82#else 83static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {}; 84#endif 85 86#ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME 87static mfp_cfg_t income_pin_config[] __initdata = { 88 /* MMC */ 89 GPIO32_MMC_CLK, 90 GPIO92_MMC_DAT_0, 91 GPIO109_MMC_DAT_1, 92 GPIO110_MMC_DAT_2, 93 GPIO111_MMC_DAT_3, 94 GPIO112_MMC_CMD, 95 GPIO0_GPIO, /* SD detect */ 96 GPIO1_GPIO, /* SD read-only */ 97 98 /* FFUART */ 99 GPIO39_FFUART_TXD, 100 GPIO34_FFUART_RXD, 101 102 /* BFUART */ 103 GPIO42_BTUART_RXD, 104 GPIO43_BTUART_TXD, 105 GPIO45_BTUART_RTS, 106 107 /* STUART */ 108 GPIO46_STUART_RXD, 109 GPIO47_STUART_TXD, 110 111 /* UHC */ 112 GPIO88_USBH1_PWR, 113 GPIO89_USBH1_PEN, 114 115 /* LCD */ 116 GPIOxx_LCD_TFT_16BPP, 117 118 /* PWM */ 119 GPIO16_PWM0_OUT, 120 121 /* I2C */ 122 GPIO117_I2C_SCL, 123 GPIO118_I2C_SDA, 124 125 /* LED */ 126 GPIO54_GPIO, /* LED A */ 127 GPIO55_GPIO, /* LED B */ 128}; 129#else 130static mfp_cfg_t income_pin_config[] __initdata = {}; 131#endif 132 133/****************************************************************************** 134 * Pin configuration 135 ******************************************************************************/ 136static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = { 137 /* Ethernet */ 138 GPIO78_nCS_2, /* Ethernet CS */ 139 GPIO114_GPIO, /* Ethernet IRQ */ 140 141 /* AC97 */ 142 GPIO28_AC97_BITCLK, 143 GPIO29_AC97_SDATA_IN_0, 144 GPIO30_AC97_SDATA_OUT, 145 GPIO31_AC97_SYNC, 146 GPIO95_AC97_nRESET, 147 GPIO98_AC97_SYSCLK, 148 GPIO113_GPIO, /* Touchscreen IRQ */ 149}; 150 151/****************************************************************************** 152 * NOR Flash 153 ******************************************************************************/ 154#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) 155static struct mtd_partition colibri_partitions[] = { 156 { 157 .name = "Bootloader", 158 .offset = 0x00000000, 159 .size = 0x00040000, 160 .mask_flags = MTD_WRITEABLE /* force read-only */ 161 }, { 162 .name = "Kernel", 163 .offset = 0x00040000, 164 .size = 0x00400000, 165 .mask_flags = 0 166 }, { 167 .name = "Rootfs", 168 .offset = 0x00440000, 169 .size = MTDPART_SIZ_FULL, 170 .mask_flags = 0 171 } 172}; 173 174static struct physmap_flash_data colibri_flash_data[] = { 175 { 176 .width = 4, /* bankwidth in bytes */ 177 .parts = colibri_partitions, 178 .nr_parts = ARRAY_SIZE(colibri_partitions) 179 } 180}; 181 182static struct resource colibri_pxa270_flash_resource = { 183 .start = PXA_CS0_PHYS, 184 .end = PXA_CS0_PHYS + SZ_32M - 1, 185 .flags = IORESOURCE_MEM, 186}; 187 188static struct platform_device colibri_pxa270_flash_device = { 189 .name = "physmap-flash", 190 .id = 0, 191 .dev = { 192 .platform_data = colibri_flash_data, 193 }, 194 .resource = &colibri_pxa270_flash_resource, 195 .num_resources = 1, 196}; 197 198static void __init colibri_pxa270_nor_init(void) 199{ 200 platform_device_register(&colibri_pxa270_flash_device); 201} 202#else 203static inline void colibri_pxa270_nor_init(void) {} 204#endif 205 206/****************************************************************************** 207 * Ethernet 208 ******************************************************************************/ 209#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) 210static struct resource colibri_pxa270_dm9000_resources[] = { 211 { 212 .start = PXA_CS2_PHYS, 213 .end = PXA_CS2_PHYS + 3, 214 .flags = IORESOURCE_MEM, 215 }, 216 { 217 .start = PXA_CS2_PHYS + 4, 218 .end = PXA_CS2_PHYS + 4 + 500, 219 .flags = IORESOURCE_MEM, 220 }, 221 { 222 .start = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), 223 .end = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), 224 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, 225 }, 226}; 227 228static struct platform_device colibri_pxa270_dm9000_device = { 229 .name = "dm9000", 230 .id = -1, 231 .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources), 232 .resource = colibri_pxa270_dm9000_resources, 233}; 234 235static void __init colibri_pxa270_eth_init(void) 236{ 237 platform_device_register(&colibri_pxa270_dm9000_device); 238} 239#else 240static inline void colibri_pxa270_eth_init(void) {} 241#endif 242 243/****************************************************************************** 244 * Audio and Touchscreen 245 ******************************************************************************/ 246#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ 247 defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) 248static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = { 249 .reset_gpio = 95, 250}; 251 252static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = { 253 .irq = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ), 254}; 255 256static struct platform_device colibri_pxa270_ucb1400_device = { 257 .name = "ucb1400_core", 258 .id = -1, 259 .dev = { 260 .platform_data = &colibri_pxa270_ucb1400_pdata, 261 }, 262}; 263 264static void __init colibri_pxa270_tsc_init(void) 265{ 266 pxa_set_ac97_info(&colibri_pxa270_ac97_pdata); 267 platform_device_register(&colibri_pxa270_ucb1400_device); 268} 269#else 270static inline void colibri_pxa270_tsc_init(void) {} 271#endif 272 273static int colibri_pxa270_baseboard; 274core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444); 275 276static void __init colibri_pxa270_init(void) 277{ 278 pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config)); 279 280 colibri_pxa270_nor_init(); 281 colibri_pxa270_eth_init(); 282 colibri_pxa270_tsc_init(); 283 284 switch (colibri_pxa270_baseboard) { 285 case COLIBRI_EVALBOARD: 286 pxa2xx_mfp_config(ARRAY_AND_SIZE( 287 colibri_pxa270_evalboard_pin_config)); 288 colibri_evalboard_init(); 289 break; 290 case COLIBRI_PXA270_INCOME: 291 pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config)); 292 colibri_pxa270_income_boardinit(); 293 break; 294 default: 295 printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", 296 colibri_pxa270_baseboard); 297 } 298 299 regulator_has_full_constraints(); 300} 301 302/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either 303 * with the INCOME mach type or with COLIBRI and the kernel parameter 304 * "colibri_pxa270_baseboard=1" 305 */ 306static void __init colibri_pxa270_income_init(void) 307{ 308 colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME; 309 colibri_pxa270_init(); 310} 311 312MACHINE_START(COLIBRI, "Toradex Colibri PXA270") 313 .atag_offset = 0x100, 314 .init_machine = colibri_pxa270_init, 315 .map_io = pxa27x_map_io, 316 .nr_irqs = PXA_NR_IRQS, 317 .init_irq = pxa27x_init_irq, 318 .handle_irq = pxa27x_handle_irq, 319 .init_time = pxa_timer_init, 320 .restart = pxa_restart, 321MACHINE_END 322 323MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC") 324 .atag_offset = 0x100, 325 .init_machine = colibri_pxa270_income_init, 326 .map_io = pxa27x_map_io, 327 .nr_irqs = PXA_NR_IRQS, 328 .init_irq = pxa27x_init_irq, 329 .handle_irq = pxa27x_handle_irq, 330 .init_time = pxa_timer_init, 331 .restart = pxa_restart, 332MACHINE_END 333 334