arch/arm/mach-pxa/csb726.c

   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
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23 #include <mach/csb726.h>
  24 #include <mach/mfp-pxa27x.h>
  25 #include <plat/i2c.h>
  26 #include <mach/mmc.h>
  27 #include <mach/ohci.h>
  28 #include <mach/pxa2xx-regs.h>
  29 #include <mach/audio.h>
  30 #include <mach/smemc.h>
  31
  32 #include "generic.h"
  33 #include "devices.h"
  34
  35 /*
  36  * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
  37  * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
  38  * XXX: 21,
  39  * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
  40  * XXX: 33 CS_5 for LAN9215 on R1
  41  */
  42
  43 static unsigned long csb726_pin_config[] = {
  44         GPIO78_nCS_2, /* EXP_CS */
  45         GPIO79_nCS_3, /* SMSC9215 */
  46         GPIO80_nCS_4, /* SM501 */
  47
  48         GPIO52_GPIO, /* #SMSC9251 int */
  49         GPIO53_GPIO, /* SM501 int */
  50
  51         GPIO1_GPIO, /* GPIO0 */
  52         GPIO11_GPIO, /* GPIO1 */
  53         GPIO9_GPIO, /* GPIO2 */
  54         GPIO10_GPIO, /* GPIO3 */
  55         GPIO16_PWM0_OUT, /* or GPIO4 */
  56         GPIO17_PWM1_OUT, /* or GPIO5 */
  57         GPIO94_GPIO, /* GPIO6 */
  58         GPIO95_GPIO, /* GPIO7 */
  59         GPIO96_GPIO, /* GPIO8 */
  60         GPIO97_GPIO, /* GPIO9 */
  61         GPIO15_GPIO, /* EXP_IRQ */
  62         GPIO18_RDY, /* EXP_WAIT */
  63
  64         GPIO0_GPIO, /* PWR_INT */
  65         GPIO104_GPIO, /* PWR_OFF */
  66
  67         GPIO12_GPIO, /* touch irq */
  68
  69         GPIO13_SSP2_TXD,
  70         GPIO14_SSP2_SFRM,
  71         MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
  72         GPIO22_SSP2_SCLK,
  73
  74         GPIO81_SSP3_TXD,
  75         GPIO82_SSP3_RXD,
  76         GPIO83_SSP3_SFRM,
  77         GPIO84_SSP3_SCLK,
  78
  79         GPIO20_GPIO, /* SDIO int */
  80         GPIO32_MMC_CLK,
  81         GPIO92_MMC_DAT_0,
  82         GPIO109_MMC_DAT_1,
  83         GPIO110_MMC_DAT_2,
  84         GPIO111_MMC_DAT_3,
  85         GPIO112_MMC_CMD,
  86         GPIO100_GPIO, /* SD CD */
  87         GPIO101_GPIO, /* SD WP */
  88
  89         GPIO28_AC97_BITCLK,
  90         GPIO29_AC97_SDATA_IN_0,
  91         GPIO30_AC97_SDATA_OUT,
  92         GPIO31_AC97_SYNC,
  93         GPIO113_AC97_nRESET,
  94
  95         GPIO34_FFUART_RXD,
  96         GPIO35_FFUART_CTS,
  97         GPIO36_FFUART_DCD,
  98         GPIO37_FFUART_DSR,
  99         GPIO38_FFUART_RI,
 100         GPIO39_FFUART_TXD,
 101         GPIO40_FFUART_DTR,
 102         GPIO41_FFUART_RTS,
 103
 104         GPIO42_BTUART_RXD,
 105         GPIO43_BTUART_TXD,
 106         GPIO44_BTUART_CTS,
 107         GPIO45_BTUART_RTS,
 108
 109         GPIO46_STUART_RXD,
 110         GPIO47_STUART_TXD,
 111
 112         GPIO48_nPOE,
 113         GPIO49_nPWE,
 114         GPIO50_nPIOR,
 115         GPIO51_nPIOW,
 116         GPIO54_nPCE_2,
 117         GPIO55_nPREG,
 118         GPIO56_nPWAIT,
 119         GPIO57_nIOIS16, /* maybe unused */
 120         GPIO85_nPCE_1,
 121         GPIO98_GPIO, /* CF IRQ */
 122         GPIO99_GPIO, /* CF CD */
 123         GPIO103_GPIO, /* Reset */
 124
 125         GPIO117_I2C_SCL,
 126         GPIO118_I2C_SDA,
 127 };
 128
 129 static struct pxamci_platform_data csb726_mci = {
 130         .detect_delay_ms        = 500,
 131         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 132         /* FIXME setpower */
 133         .gpio_card_detect       = CSB726_GPIO_MMC_DETECT,
 134         .gpio_card_ro           = CSB726_GPIO_MMC_RO,
 135         .gpio_power             = -1,
 136 };
 137
 138 static struct pxaohci_platform_data csb726_ohci_platform_data = {
 139         .port_mode      = PMM_NPS_MODE,
 140         .flags          = ENABLE_PORT1 | NO_OC_PROTECTION,
 141 };
 142
 143 static struct mtd_partition csb726_flash_partitions[] = {
 144         {
 145                 .name           = "Bootloader",
 146                 .offset         = 0,
 147                 .size           = CSB726_FLASH_uMON,
 148                 .mask_flags     = MTD_WRITEABLE  /* force read-only */
 149         },
 150         {
 151                 .name           = "root",
 152                 .offset         = MTDPART_OFS_APPEND,
 153                 .size           = MTDPART_SIZ_FULL,
 154         }
 155 };
 156
 157 static struct physmap_flash_data csb726_flash_data = {
 158         .width          = 2,
 159         .parts          = csb726_flash_partitions,
 160         .nr_parts       = ARRAY_SIZE(csb726_flash_partitions),
 161 };
 162
 163 static struct resource csb726_flash_resources[] = {
 164         {
 165                 .start          = PXA_CS0_PHYS,
 166                 .end            = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
 167                 .flags          = IORESOURCE_MEM,
 168         }
 169 };
 170
 171 static struct platform_device csb726_flash = {
 172         .name           = "physmap-flash",
 173         .dev            = {
 174                 .platform_data  = &csb726_flash_data,
 175         },
 176         .resource       = csb726_flash_resources,
 177         .num_resources  = ARRAY_SIZE(csb726_flash_resources),
 178 };
 179
 180 static struct resource csb726_sm501_resources[] = {
 181         {
 182                 .start          = PXA_CS4_PHYS,
 183                 .end            = PXA_CS4_PHYS + SZ_8M - 1,
 184                 .flags          = IORESOURCE_MEM,
 185                 .name           = "sm501-localmem",
 186         },
 187         {
 188                 .start          = PXA_CS4_PHYS + SZ_64M - SZ_2M,
 189                 .end            = PXA_CS4_PHYS + SZ_64M - 1,
 190                 .flags          = IORESOURCE_MEM,
 191                 .name           = "sm501-regs",
 192         },
 193         {
 194                 .start          = CSB726_IRQ_SM501,
 195                 .end            = CSB726_IRQ_SM501,
 196                 .flags          = IORESOURCE_IRQ,
 197         },
 198 };
 199
 200 static struct sm501_initdata csb726_sm501_initdata = {
 201 /*      .devices        = SM501_USE_USB_HOST, */
 202         .devices        = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
 203 };
 204
 205 static struct sm501_platdata csb726_sm501_platdata = {
 206         .init           = &csb726_sm501_initdata,
 207 };
 208
 209 static struct platform_device csb726_sm501 = {
 210         .name           = "sm501",
 211         .id             = 0,
 212         .num_resources  = ARRAY_SIZE(csb726_sm501_resources),
 213         .resource       = csb726_sm501_resources,
 214         .dev            = {
 215                 .platform_data = &csb726_sm501_platdata,
 216         },
 217 };
 218
 219 static struct resource csb726_lan_resources[] = {
 220         {
 221                 .start  = PXA_CS3_PHYS,
 222                 .end    = PXA_CS3_PHYS + SZ_64K - 1,
 223                 .flags  = IORESOURCE_MEM,
 224         },
 225         {
 226                 .start  = CSB726_IRQ_LAN,
 227                 .end    = CSB726_IRQ_LAN,
 228                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 229         },
 230 };
 231
 232 struct smsc911x_platform_config csb726_lan_config = {
 233         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 234         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 235         .flags          = SMSC911X_USE_32BIT,
 236         .phy_interface  = PHY_INTERFACE_MODE_MII,
 237 };
 238
 239
 240 static struct platform_device csb726_lan = {
 241         .name           = "smsc911x",
 242         .id             = -1,
 243         .num_resources  = ARRAY_SIZE(csb726_lan_resources),
 244         .resource       = csb726_lan_resources,
 245         .dev            = {
 246                 .platform_data  = &csb726_lan_config,
 247         },
 248 };
 249
 250 static struct platform_device *devices[] __initdata = {
 251         &csb726_flash,
 252         &csb726_sm501,
 253         &csb726_lan,
 254 };
 255
 256 static void __init csb726_init(void)
 257 {
 258         pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
 259 /*      __raw_writel(0x7ffc3ffc, MSC1); *//* LAN9215/EXP_CS */
 260 /*      __raw_writel(0x06697ff4, MSC2); *//* none/SM501 */
 261         __raw_writel((__raw_readl(MSC2) & ~0xffff) | 0x7ff4, MSC2); /* SM501 */
 262
 263         pxa_set_ffuart_info(NULL);
 264         pxa_set_btuart_info(NULL);
 265         pxa_set_stuart_info(NULL);
 266         pxa_set_i2c_info(NULL);
 267         pxa27x_set_i2c_power_info(NULL);
 268         pxa_set_mci_info(&csb726_mci);
 269         pxa_set_ohci_info(&csb726_ohci_platform_data);
 270         pxa_set_ac97_info(NULL);
 271
 272         platform_add_devices(devices, ARRAY_SIZE(devices));
 273 }
 274
 275 MACHINE_START(CSB726, "Cogent CSB726")
 276         .boot_params    = 0xa0000100,
 277         .map_io         = pxa27x_map_io,
 278         .init_irq       = pxa27x_init_irq,
 279         .init_machine   = csb726_init,
 280         .timer          = &pxa_timer,
 281 MACHINE_END