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   1 /*
   2  * arch/arm/mach-ixp4xx/omixp-setup.c
   3  *
   4  * omicron ixp4xx board setup
   5  *      Copyright (C) 2009 OMICRON electronics GmbH
   6  *
   7  * based nslu2-setup.c, ixdp425-setup.c:
   8  *      Copyright (C) 2003-2004 MontaVista Software, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/serial.h>
  17 #include <linux/serial_8250.h>
  18 #include <linux/mtd/mtd.h>
  19 #include <linux/mtd/partitions.h>
  20 #include <linux/leds.h>
  21
  22 #include <asm/setup.h>
  23 #include <asm/memory.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/flash.h>
  27
  28 #include <mach/hardware.h>
  29
  30 #include "irqs.h"
  31
  32 static struct resource omixp_flash_resources[] = {
  33         {
  34                 .flags  = IORESOURCE_MEM,
  35         }, {
  36                 .flags  = IORESOURCE_MEM,
  37         },
  38 };
  39
  40 static struct mtd_partition omixp_partitions[] = {
  41         {
  42                 .name =         "Recovery Bootloader",
  43                 .size =         0x00020000,
  44                 .offset =       0,
  45         }, {
  46                 .name =         "Calibration Data",
  47                 .size =         0x00020000,
  48                 .offset =       0x00020000,
  49         }, {
  50                 .name =         "Recovery FPGA",
  51                 .size =         0x00020000,
  52                 .offset =       0x00040000,
  53         }, {
  54                 .name =         "Release Bootloader",
  55                 .size =         0x00020000,
  56                 .offset =       0x00060000,
  57         }, {
  58                 .name =         "Release FPGA",
  59                 .size =         0x00020000,
  60                 .offset =       0x00080000,
  61         }, {
  62                 .name =         "Kernel",
  63                 .size =         0x00160000,
  64                 .offset =       0x000a0000,
  65         }, {
  66                 .name =         "Filesystem",
  67                 .size =         0x00C00000,
  68                 .offset =       0x00200000,
  69         }, {
  70                 .name =         "Persistent Storage",
  71                 .size =         0x00200000,
  72                 .offset =       0x00E00000,
  73         },
  74 };
  75
  76 static struct flash_platform_data omixp_flash_data[] = {
  77         {
  78                 .map_name       = "cfi_probe",
  79                 .parts          = omixp_partitions,
  80                 .nr_parts       = ARRAY_SIZE(omixp_partitions),
  81         }, {
  82                 .map_name       = "cfi_probe",
  83                 .parts          = NULL,
  84                 .nr_parts       = 0,
  85         },
  86 };
  87
  88 static struct platform_device omixp_flash_device[] = {
  89         {
  90                 .name           = "IXP4XX-Flash",
  91                 .id             = 0,
  92                 .dev = {
  93                         .platform_data = &omixp_flash_data[0],
  94                 },
  95                 .resource = &omixp_flash_resources[0],
  96                 .num_resources = 1,
  97         }, {
  98                 .name           = "IXP4XX-Flash",
  99                 .id             = 1,
 100                 .dev = {
 101                         .platform_data = &omixp_flash_data[1],
 102                 },
 103                 .resource = &omixp_flash_resources[1],
 104                 .num_resources = 1,
 105         },
 106 };
 107
 108 /* Swap UART's - These boards have the console on UART2. The following
 109  * configuration is used:
 110  *      ttyS0 .. UART2
 111  *      ttyS1 .. UART1
 112  * This way standard images can be used with the kernel that expect
 113  * the console on ttyS0.
 114  */
 115 static struct resource omixp_uart_resources[] = {
 116         {
 117                 .start          = IXP4XX_UART2_BASE_PHYS,
 118                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 119                 .flags          = IORESOURCE_MEM,
 120         }, {
 121                 .start          = IXP4XX_UART1_BASE_PHYS,
 122                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 123                 .flags          = IORESOURCE_MEM,
 124         },
 125 };
 126
 127 static struct plat_serial8250_port omixp_uart_data[] = {
 128         {
 129                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
 130                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 131                 .irq            = IRQ_IXP4XX_UART2,
 132                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 133                 .iotype         = UPIO_MEM,
 134                 .regshift       = 2,
 135                 .uartclk        = IXP4XX_UART_XTAL,
 136         }, {
 137                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
 138                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 139                 .irq            = IRQ_IXP4XX_UART1,
 140                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 141                 .iotype         = UPIO_MEM,
 142                 .regshift       = 2,
 143                 .uartclk        = IXP4XX_UART_XTAL,
 144         }, {
 145                 /* list termination */
 146         }
 147 };
 148
 149 static struct platform_device omixp_uart = {
 150         .name                   = "serial8250",
 151         .id                     = PLAT8250_DEV_PLATFORM,
 152         .dev.platform_data      = omixp_uart_data,
 153         .num_resources          = 2,
 154         .resource               = omixp_uart_resources,
 155 };
 156
 157 static struct gpio_led mic256_led_pins[] = {
 158         {
 159                 .name           = "LED-A",
 160                 .gpio           = 7,
 161         },
 162 };
 163
 164 static struct gpio_led_platform_data mic256_led_data = {
 165         .num_leds               = ARRAY_SIZE(mic256_led_pins),
 166         .leds                   = mic256_led_pins,
 167 };
 168
 169 static struct platform_device mic256_leds = {
 170         .name                   = "leds-gpio",
 171         .id                     = -1,
 172         .dev.platform_data      = &mic256_led_data,
 173 };
 174
 175 /* Built-in 10/100 Ethernet MAC interfaces */
 176 static struct eth_plat_info ixdp425_plat_eth[] = {
 177         {
 178                 .phy            = 0,
 179                 .rxq            = 3,
 180                 .txreadyq       = 20,
 181         }, {
 182                 .phy            = 1,
 183                 .rxq            = 4,
 184                 .txreadyq       = 21,
 185         },
 186 };
 187
 188 static struct platform_device ixdp425_eth[] = {
 189         {
 190                 .name                   = "ixp4xx_eth",
 191                 .id                     = IXP4XX_ETH_NPEB,
 192                 .dev.platform_data      = ixdp425_plat_eth,
 193         }, {
 194                 .name                   = "ixp4xx_eth",
 195                 .id                     = IXP4XX_ETH_NPEC,
 196                 .dev.platform_data      = ixdp425_plat_eth + 1,
 197         },
 198 };
 199
 200
 201 static struct platform_device *devixp_pldev[] __initdata = {
 202         &omixp_uart,
 203         &omixp_flash_device[0],
 204         &ixdp425_eth[0],
 205         &ixdp425_eth[1],
 206 };
 207
 208 static struct platform_device *mic256_pldev[] __initdata = {
 209         &omixp_uart,
 210         &omixp_flash_device[0],
 211         &mic256_leds,
 212         &ixdp425_eth[0],
 213         &ixdp425_eth[1],
 214 };
 215
 216 static struct platform_device *miccpt_pldev[] __initdata = {
 217         &omixp_uart,
 218         &omixp_flash_device[0],
 219         &omixp_flash_device[1],
 220         &ixdp425_eth[0],
 221         &ixdp425_eth[1],
 222 };
 223
 224 static void __init omixp_init(void)
 225 {
 226         ixp4xx_sys_init();
 227
 228         /* 16MiB Boot Flash */
 229         omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0);
 230         omixp_flash_resources[0].end   = IXP4XX_EXP_BUS_END(0);
 231
 232         /* 32 MiB Data Flash */
 233         omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
 234         omixp_flash_resources[1].end   = IXP4XX_EXP_BUS_END(2);
 235
 236         if (machine_is_devixp())
 237                 platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev));
 238         else if (machine_is_miccpt())
 239                 platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev));
 240         else if (machine_is_mic256())
 241                 platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev));
 242 }
 243
 244 #ifdef CONFIG_MACH_DEVIXP
 245 MACHINE_START(DEVIXP, "Omicron DEVIXP")
 246         .atag_offset    = 0x100,
 247         .map_io         = ixp4xx_map_io,
 248         .init_early     = ixp4xx_init_early,
 249         .init_irq       = ixp4xx_init_irq,
 250         .init_time      = ixp4xx_timer_init,
 251         .init_machine   = omixp_init,
 252         .restart        = ixp4xx_restart,
 253 MACHINE_END
 254 #endif
 255
 256 #ifdef CONFIG_MACH_MICCPT
 257 MACHINE_START(MICCPT, "Omicron MICCPT")
 258         .atag_offset    = 0x100,
 259         .map_io         = ixp4xx_map_io,
 260         .init_early     = ixp4xx_init_early,
 261         .init_irq       = ixp4xx_init_irq,
 262         .init_time      = ixp4xx_timer_init,
 263         .init_machine   = omixp_init,
 264 #if defined(CONFIG_PCI)
 265         .dma_zone_size  = SZ_64M,
 266 #endif
 267         .restart        = ixp4xx_restart,
 268 MACHINE_END
 269 #endif
 270
 271 #ifdef CONFIG_MACH_MIC256
 272 MACHINE_START(MIC256, "Omicron MIC256")
 273         .atag_offset    = 0x100,
 274         .map_io         = ixp4xx_map_io,
 275         .init_early     = ixp4xx_init_early,
 276         .init_irq       = ixp4xx_init_irq,
 277         .init_time      = ixp4xx_timer_init,
 278         .init_machine   = omixp_init,
 279         .restart        = ixp4xx_restart,
 280 MACHINE_END
 281 #endif