arch/arm/mach-orion5x/ts409-setup.c

   1 /*
   2  * QNAP TS-409 Board Setup
   3  *
   4  * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
   5  *
   6  * Copyright (C) 2008  Sylver Bruneau <sylver.bruneau@gmail.com>
   7  * Copyright (C) 2008  Martin Michlmayr <tbm@cyrius.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version
  12  * 2 of the License, or (at your option) any later version.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/pci.h>
  19 #include <linux/irq.h>
  20 #include <linux/mtd/physmap.h>
  21 #include <linux/mv643xx_eth.h>
  22 #include <linux/leds.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/input.h>
  25 #include <linux/i2c.h>
  26 #include <linux/serial_reg.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/gpio.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/pci.h>
  31 #include <mach/orion5x.h>
  32 #include "common.h"
  33 #include "mpp.h"
  34 #include "tsx09-common.h"
  35
  36 /*****************************************************************************
  37  * QNAP TS-409 Info
  38  ****************************************************************************/
  39
  40 /*
  41  * QNAP TS-409 hardware :
  42  * - Marvell 88F5281-D0
  43  * - Marvell 88SX7042 SATA controller (PCIe)
  44  * - Marvell 88E1118 Gigabit Ethernet PHY
  45  * - RTC S35390A (@0x30) on I2C bus
  46  * - 8MB NOR flash
  47  * - 256MB of DDR-2 RAM
  48  */
  49
  50 /*
  51  * 8MB NOR flash Device bus boot chip select
  52  */
  53
  54 #define QNAP_TS409_NOR_BOOT_BASE 0xff800000
  55 #define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
  56
  57 /****************************************************************************
  58  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  59  *     partitions on the device because we want to keep compatibility with
  60  *     existing QNAP firmware.
  61  *
  62  * Layout as used by QNAP:
  63  *  [2] 0x00000000-0x00200000 : "Kernel"
  64  *  [3] 0x00200000-0x00600000 : "RootFS1"
  65  *  [4] 0x00600000-0x00700000 : "RootFS2"
  66  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  67  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  68  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  69  ***************************************************************************/
  70 static struct mtd_partition qnap_ts409_partitions[] = {
  71         {
  72                 .name           = "U-Boot",
  73                 .size           = 0x00080000,
  74                 .offset         = 0x00780000,
  75                 .mask_flags     = MTD_WRITEABLE,
  76         }, {
  77                 .name           = "Kernel",
  78                 .size           = 0x00200000,
  79                 .offset         = 0,
  80         }, {
  81                 .name           = "RootFS1",
  82                 .size           = 0x00400000,
  83                 .offset         = 0x00200000,
  84         }, {
  85                 .name           = "RootFS2",
  86                 .size           = 0x00100000,
  87                 .offset         = 0x00600000,
  88         }, {
  89                 .name           = "U-Boot Config",
  90                 .size           = 0x00020000,
  91                 .offset         = 0x00760000,
  92         }, {
  93                 .name           = "NAS Config",
  94                 .size           = 0x00060000,
  95                 .offset         = 0x00700000,
  96                 .mask_flags     = MTD_WRITEABLE,
  97         },
  98 };
  99
 100 static struct physmap_flash_data qnap_ts409_nor_flash_data = {
 101         .width          = 1,
 102         .parts          = qnap_ts409_partitions,
 103         .nr_parts       = ARRAY_SIZE(qnap_ts409_partitions)
 104 };
 105
 106 static struct resource qnap_ts409_nor_flash_resource = {
 107         .flags  = IORESOURCE_MEM,
 108         .start  = QNAP_TS409_NOR_BOOT_BASE,
 109         .end    = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
 110 };
 111
 112 static struct platform_device qnap_ts409_nor_flash = {
 113         .name           = "physmap-flash",
 114         .id             = 0,
 115         .dev            = { .platform_data = &qnap_ts409_nor_flash_data, },
 116         .num_resources  = 1,
 117         .resource       = &qnap_ts409_nor_flash_resource,
 118 };
 119
 120 /*****************************************************************************
 121  * PCI
 122  ****************************************************************************/
 123
 124 static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
 125         u8 pin)
 126 {
 127         int irq;
 128
 129         /*
 130          * Check for devices with hard-wired IRQs.
 131          */
 132         irq = orion5x_pci_map_irq(dev, slot, pin);
 133         if (irq != -1)
 134                 return irq;
 135
 136         /*
 137          * PCI isn't used on the TS-409
 138          */
 139         return -1;
 140 }
 141
 142 static struct hw_pci qnap_ts409_pci __initdata = {
 143         .nr_controllers = 2,
 144         .swizzle        = pci_std_swizzle,
 145         .setup          = orion5x_pci_sys_setup,
 146         .scan           = orion5x_pci_sys_scan_bus,
 147         .map_irq        = qnap_ts409_pci_map_irq,
 148 };
 149
 150 static int __init qnap_ts409_pci_init(void)
 151 {
 152         if (machine_is_ts409())
 153                 pci_common_init(&qnap_ts409_pci);
 154
 155         return 0;
 156 }
 157
 158 subsys_initcall(qnap_ts409_pci_init);
 159
 160 /*****************************************************************************
 161  * RTC S35390A on I2C bus
 162  ****************************************************************************/
 163
 164 #define TS409_RTC_GPIO  10
 165
 166 static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
 167         I2C_BOARD_INFO("s35390a", 0x30),
 168 };
 169
 170 /*****************************************************************************
 171  * LEDs attached to GPIO
 172  ****************************************************************************/
 173
 174 static struct gpio_led ts409_led_pins[] = {
 175         {
 176                 .name           = "ts409:red:sata1",
 177                 .gpio           = 4,
 178                 .active_low     = 1,
 179         }, {
 180                 .name           = "ts409:red:sata2",
 181                 .gpio           = 5,
 182                 .active_low     = 1,
 183         }, {
 184                 .name           = "ts409:red:sata3",
 185                 .gpio           = 6,
 186                 .active_low     = 1,
 187         }, {
 188                 .name           = "ts409:red:sata4",
 189                 .gpio           = 7,
 190                 .active_low     = 1,
 191         },
 192 };
 193
 194 static struct gpio_led_platform_data ts409_led_data = {
 195         .leds           = ts409_led_pins,
 196         .num_leds       = ARRAY_SIZE(ts409_led_pins),
 197 };
 198
 199 static struct platform_device ts409_leds = {
 200         .name   = "leds-gpio",
 201         .id     = -1,
 202         .dev    = {
 203                 .platform_data  = &ts409_led_data,
 204         },
 205 };
 206
 207 /****************************************************************************
 208  * GPIO Attached Keys
 209  *     Power button is attached to the PIC microcontroller
 210  ****************************************************************************/
 211
 212 #define QNAP_TS409_GPIO_KEY_RESET       14
 213 #define QNAP_TS409_GPIO_KEY_MEDIA       15
 214
 215 static struct gpio_keys_button qnap_ts409_buttons[] = {
 216         {
 217                 .code           = KEY_RESTART,
 218                 .gpio           = QNAP_TS409_GPIO_KEY_RESET,
 219                 .desc           = "Reset Button",
 220                 .active_low     = 1,
 221         }, {
 222                 .code           = KEY_COPY,
 223                 .gpio           = QNAP_TS409_GPIO_KEY_MEDIA,
 224                 .desc           = "USB Copy Button",
 225                 .active_low     = 1,
 226         },
 227 };
 228
 229 static struct gpio_keys_platform_data qnap_ts409_button_data = {
 230         .buttons        = qnap_ts409_buttons,
 231         .nbuttons       = ARRAY_SIZE(qnap_ts409_buttons),
 232 };
 233
 234 static struct platform_device qnap_ts409_button_device = {
 235         .name           = "gpio-keys",
 236         .id             = -1,
 237         .num_resources  = 0,
 238         .dev            = {
 239                 .platform_data  = &qnap_ts409_button_data,
 240         },
 241 };
 242
 243 /*****************************************************************************
 244  * General Setup
 245  ****************************************************************************/
 246 static unsigned int ts409_mpp_modes[] __initdata = {
 247         MPP0_UNUSED,
 248         MPP1_UNUSED,
 249         MPP2_UNUSED,
 250         MPP3_UNUSED,
 251         MPP4_GPIO,              /* HDD 1 status */
 252         MPP5_GPIO,              /* HDD 2 status */
 253         MPP6_GPIO,              /* HDD 3 status */
 254         MPP7_GPIO,              /* HDD 4 status */
 255         MPP8_UNUSED,
 256         MPP9_UNUSED,
 257         MPP10_GPIO,             /* RTC int */
 258         MPP11_UNUSED,
 259         MPP12_UNUSED,
 260         MPP13_UNUSED,
 261         MPP14_GPIO,             /* SW_RST */
 262         MPP15_GPIO,             /* USB copy button */
 263         MPP16_UART,             /* UART1 RXD */
 264         MPP17_UART,             /* UART1 TXD */
 265         MPP18_UNUSED,
 266         MPP19_UNUSED,
 267         0,
 268 };
 269
 270 static void __init qnap_ts409_init(void)
 271 {
 272         /*
 273          * Setup basic Orion functions. Need to be called early.
 274          */
 275         orion5x_init();
 276
 277         orion5x_mpp_conf(ts409_mpp_modes);
 278
 279         /*
 280          * Configure peripherals.
 281          */
 282         orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE,
 283                                    QNAP_TS409_NOR_BOOT_SIZE);
 284         platform_device_register(&qnap_ts409_nor_flash);
 285
 286         orion5x_ehci0_init();
 287         qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
 288                                  qnap_ts409_partitions[5].offset,
 289                                  qnap_ts409_partitions[5].size);
 290         orion5x_eth_init(&qnap_tsx09_eth_data);
 291         orion5x_i2c_init();
 292         orion5x_uart0_init();
 293         orion5x_uart1_init();
 294
 295         platform_device_register(&qnap_ts409_button_device);
 296
 297         /* Get RTC IRQ and register the chip */
 298         if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
 299                 if (gpio_direction_input(TS409_RTC_GPIO) == 0)
 300                         qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
 301                 else
 302                         gpio_free(TS409_RTC_GPIO);
 303         }
 304         if (qnap_ts409_i2c_rtc.irq == 0)
 305                 pr_warning("qnap_ts409_init: failed to get RTC IRQ\n");
 306         i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
 307         platform_device_register(&ts409_leds);
 308
 309         /* register tsx09 specific power-off method */
 310         pm_power_off = qnap_tsx09_power_off;
 311 }
 312
 313 MACHINE_START(TS409, "QNAP TS-409")
 314         /* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
 315         .boot_params    = 0x00000100,
 316         .init_machine   = qnap_ts409_init,
 317         .map_io         = orion5x_map_io,
 318         .init_early     = orion5x_init_early,
 319         .init_irq       = orion5x_init_irq,
 320         .timer          = &orion5x_timer,
 321         .fixup          = tag_fixup_mem32,
 322 MACHINE_END