linux/arch/arm/mach-pxa/csb726.c
<<
>>
Prefs
   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/platform_data/i2c-pxa.h>
  21
  22#include <asm/mach-types.h>
  23#include <asm/mach/arch.h>
  24#include "csb726.h"
  25#include "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