1/* 2 * Support for Cogent CSB726 3 * 4 * Copyright (c) 2008 Dmitry Eremin-Solenikov 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 */ 11#include <linux/kernel.h> 12#include <linux/init.h> 13#include <linux/io.h> 14#include <linux/gpio.h> 15#include <linux/platform_device.h> 16#include <linux/mtd/physmap.h> 17#include <linux/mtd/partitions.h> 18#include <linux/sm501.h> 19#include <linux/smsc911x.h> 20#include <linux/i2c/pxa-i2c.h> 21 22#include <asm/mach-types.h> 23#include <asm/mach/arch.h> 24#include <mach/csb726.h> 25#include <mach/pxa27x.h> 26#include <linux/platform_data/mmc-pxamci.h> 27#include <linux/platform_data/usb-ohci-pxa27x.h> 28#include <mach/audio.h> 29#include <mach/smemc.h> 30 31#include "generic.h" 32#include "devices.h" 33 34/* 35 * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89, 36 * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116, 37 * XXX: 21, 38 * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3 39 * XXX: 33 CS_5 for LAN9215 on R1 40 */ 41 42static unsigned long csb726_pin_config[] = { 43 GPIO78_nCS_2, /* EXP_CS */ 44 GPIO79_nCS_3, /* SMSC9215 */ 45 GPIO80_nCS_4, /* SM501 */ 46 47 GPIO52_GPIO, /* #SMSC9251 int */ 48 GPIO53_GPIO, /* SM501 int */ 49 50 GPIO1_GPIO, /* GPIO0 */ 51 GPIO11_GPIO, /* GPIO1 */ 52 GPIO9_GPIO, /* GPIO2 */ 53 GPIO10_GPIO, /* GPIO3 */ 54 GPIO16_PWM0_OUT, /* or GPIO4 */ 55 GPIO17_PWM1_OUT, /* or GPIO5 */ 56 GPIO94_GPIO, /* GPIO6 */ 57 GPIO95_GPIO, /* GPIO7 */ 58 GPIO96_GPIO, /* GPIO8 */ 59 GPIO97_GPIO, /* GPIO9 */ 60 GPIO15_GPIO, /* EXP_IRQ */ 61 GPIO18_RDY, /* EXP_WAIT */ 62 63 GPIO0_GPIO, /* PWR_INT */ 64 GPIO104_GPIO, /* PWR_OFF */ 65 66 GPIO12_GPIO, /* touch irq */ 67 68 GPIO13_SSP2_TXD, 69 GPIO14_SSP2_SFRM, 70 MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */ 71 GPIO22_SSP2_SCLK, 72 73 GPIO81_SSP3_TXD, 74 GPIO82_SSP3_RXD, 75 GPIO83_SSP3_SFRM, 76 GPIO84_SSP3_SCLK, 77 78 GPIO20_GPIO, /* SDIO int */ 79 GPIO32_MMC_CLK, 80 GPIO92_MMC_DAT_0, 81 GPIO109_MMC_DAT_1, 82 GPIO110_MMC_DAT_2, 83 GPIO111_MMC_DAT_3, 84 GPIO112_MMC_CMD, 85 GPIO100_GPIO, /* SD CD */ 86 GPIO101_GPIO, /* SD WP */ 87 88 GPIO28_AC97_BITCLK, 89 GPIO29_AC97_SDATA_IN_0, 90 GPIO30_AC97_SDATA_OUT, 91 GPIO31_AC97_SYNC, 92 GPIO113_AC97_nRESET, 93 94 GPIO34_FFUART_RXD, 95 GPIO35_FFUART_CTS, 96 GPIO36_FFUART_DCD, 97 GPIO37_FFUART_DSR, 98 GPIO38_FFUART_RI, 99 GPIO39_FFUART_TXD, 100 GPIO40_FFUART_DTR, 101 GPIO41_FFUART_RTS, 102 103 GPIO42_BTUART_RXD, 104 GPIO43_BTUART_TXD, 105 GPIO44_BTUART_CTS, 106 GPIO45_BTUART_RTS, 107 108 GPIO46_STUART_RXD, 109 GPIO47_STUART_TXD, 110 111 GPIO48_nPOE, 112 GPIO49_nPWE, 113 GPIO50_nPIOR, 114 GPIO51_nPIOW, 115 GPIO54_nPCE_2, 116 GPIO55_nPREG, 117 GPIO56_nPWAIT, 118 GPIO57_nIOIS16, /* maybe unused */ 119 GPIO85_nPCE_1, 120 GPIO98_GPIO, /* CF IRQ */ 121 GPIO99_GPIO, /* CF CD */ 122 GPIO103_GPIO, /* Reset */ 123 124 GPIO117_I2C_SCL, 125 GPIO118_I2C_SDA, 126}; 127 128static struct pxamci_platform_data csb726_mci = { 129 .detect_delay_ms = 500, 130 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 131 /* FIXME setpower */ 132 .gpio_card_detect = CSB726_GPIO_MMC_DETECT, 133 .gpio_card_ro = CSB726_GPIO_MMC_RO, 134 .gpio_power = -1, 135}; 136 137static struct pxaohci_platform_data csb726_ohci_platform_data = { 138 .port_mode = PMM_NPS_MODE, 139 .flags = ENABLE_PORT1 | NO_OC_PROTECTION, 140}; 141 142static struct mtd_partition csb726_flash_partitions[] = { 143 { 144 .name = "Bootloader", 145 .offset = 0, 146 .size = CSB726_FLASH_uMON, 147 .mask_flags = MTD_WRITEABLE /* force read-only */ 148 }, 149 { 150 .name = "root", 151 .offset = MTDPART_OFS_APPEND, 152 .size = MTDPART_SIZ_FULL, 153 } 154}; 155 156static struct physmap_flash_data csb726_flash_data = { 157 .width = 2, 158 .parts = csb726_flash_partitions, 159 .nr_parts = ARRAY_SIZE(csb726_flash_partitions), 160}; 161 162static struct resource csb726_flash_resources[] = { 163 { 164 .start = PXA_CS0_PHYS, 165 .end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 , 166 .flags = IORESOURCE_MEM, 167 } 168}; 169 170static struct platform_device csb726_flash = { 171 .name = "physmap-flash", 172 .dev = { 173 .platform_data = &csb726_flash_data, 174 }, 175 .resource = csb726_flash_resources, 176 .num_resources = ARRAY_SIZE(csb726_flash_resources), 177}; 178 179static struct resource csb726_sm501_resources[] = { 180 { 181 .start = PXA_CS4_PHYS, 182 .end = PXA_CS4_PHYS + SZ_8M - 1, 183 .flags = IORESOURCE_MEM, 184 .name = "sm501-localmem", 185 }, 186 { 187 .start = PXA_CS4_PHYS + SZ_64M - SZ_2M, 188 .end = PXA_CS4_PHYS + SZ_64M - 1, 189 .flags = IORESOURCE_MEM, 190 .name = "sm501-regs", 191 }, 192 { 193 .start = CSB726_IRQ_SM501, 194 .end = CSB726_IRQ_SM501, 195 .flags = IORESOURCE_IRQ, 196 }, 197}; 198 199static struct sm501_initdata csb726_sm501_initdata = { 200/* .devices = SM501_USE_USB_HOST, */ 201 .devices = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1, 202}; 203 204static struct sm501_platdata csb726_sm501_platdata = { 205 .init = &csb726_sm501_initdata, 206}; 207 208static struct platform_device csb726_sm501 = { 209 .name = "sm501", 210 .id = 0, 211 .num_resources = ARRAY_SIZE(csb726_sm501_resources), 212 .resource = csb726_sm501_resources, 213 .dev = { 214 .platform_data = &csb726_sm501_platdata, 215 }, 216}; 217 218static struct resource csb726_lan_resources[] = { 219 { 220 .start = PXA_CS3_PHYS, 221 .end = PXA_CS3_PHYS + SZ_64K - 1, 222 .flags = IORESOURCE_MEM, 223 }, 224 { 225 .start = CSB726_IRQ_LAN, 226 .end = CSB726_IRQ_LAN, 227 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, 228 }, 229}; 230 231struct smsc911x_platform_config csb726_lan_config = { 232 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, 233 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, 234 .flags = SMSC911X_USE_32BIT, 235 .phy_interface = PHY_INTERFACE_MODE_MII, 236}; 237 238 239static struct platform_device csb726_lan = { 240 .name = "smsc911x", 241 .id = -1, 242 .num_resources = ARRAY_SIZE(csb726_lan_resources), 243 .resource = csb726_lan_resources, 244 .dev = { 245 .platform_data = &csb726_lan_config, 246 }, 247}; 248 249static struct platform_device *devices[] __initdata = { 250 &csb726_flash, 251 &csb726_sm501, 252 &csb726_lan, 253}; 254 255static void __init csb726_init(void) 256{ 257 pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config)); 258/* __raw_writel(0x7ffc3ffc, MSC1); *//* LAN9215/EXP_CS */ 259/* __raw_writel(0x06697ff4, MSC2); *//* none/SM501 */ 260 __raw_writel((__raw_readl(MSC2) & ~0xffff) | 0x7ff4, MSC2); /* SM501 */ 261 262 pxa_set_ffuart_info(NULL); 263 pxa_set_btuart_info(NULL); 264 pxa_set_stuart_info(NULL); 265 pxa_set_i2c_info(NULL); 266 pxa27x_set_i2c_power_info(NULL); 267 pxa_set_mci_info(&csb726_mci); 268 pxa_set_ohci_info(&csb726_ohci_platform_data); 269 pxa_set_ac97_info(NULL); 270 271 platform_add_devices(devices, ARRAY_SIZE(devices)); 272} 273 274MACHINE_START(CSB726, "Cogent CSB726") 275 .atag_offset = 0x100, 276 .map_io = pxa27x_map_io, 277 .nr_irqs = PXA_NR_IRQS, 278 .init_irq = pxa27x_init_irq, 279 .handle_irq = pxa27x_handle_irq, 280 .init_machine = csb726_init, 281 .init_time = pxa_timer_init, 282 .restart = pxa_restart, 283MACHINE_END 284