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 #include <linux/gpio.h>
  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/mach/arch.h>
  29 #include <asm/mach/pci.h>
  30 #include <mach/orion5x.h>
  31 #include "common.h"
  32 #include "mpp.h"
  33 #include "tsx09-common.h"
  34
  35 /*****************************************************************************
  36  * QNAP TS-409 Info
  37  ****************************************************************************/
  38
  39 /*
  40  * QNAP TS-409 hardware :
  41  * - Marvell 88F5281-D0
  42  * - Marvell 88SX7042 SATA controller (PCIe)
  43  * - Marvell 88E1118 Gigabit Ethernet PHY
  44  * - RTC S35390A (@0x30) on I2C bus
  45  * - 8MB NOR flash
  46  * - 256MB of DDR-2 RAM
  47  */
  48
  49 /*
  50  * 8MB NOR flash Device bus boot chip select
  51  */
  52
  53 #define QNAP_TS409_NOR_BOOT_BASE 0xff800000
  54 #define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
  55
  56 /****************************************************************************
  57  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  58  *     partitions on the device because we want to keep compatibility with
  59  *     existing QNAP firmware.
  60  *
  61  * Layout as used by QNAP:
  62  *  [2] 0x00000000-0x00200000 : "Kernel"
  63  *  [3] 0x00200000-0x00600000 : "RootFS1"
  64  *  [4] 0x00600000-0x00700000 : "RootFS2"
  65  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  66  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  67  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  68  ***************************************************************************/
  69 static struct mtd_partition qnap_ts409_partitions[] = {
  70         {
  71                 .name           = "U-Boot",
  72                 .size           = 0x00080000,
  73                 .offset         = 0x00780000,
  74                 .mask_flags     = MTD_WRITEABLE,
  75         }, {
  76                 .name           = "Kernel",
  77                 .size           = 0x00200000,
  78                 .offset         = 0,
  79         }, {
  80                 .name           = "RootFS1",
  81                 .size           = 0x00400000,
  82                 .offset         = 0x00200000,
  83         }, {
  84                 .name           = "RootFS2",
  85                 .size           = 0x00100000,
  86                 .offset         = 0x00600000,
  87         }, {
  88                 .name           = "U-Boot Config",
  89                 .size           = 0x00020000,
  90                 .offset         = 0x00760000,
  91         }, {
  92                 .name           = "NAS Config",
  93                 .size           = 0x00060000,
  94                 .offset         = 0x00700000,
  95                 .mask_flags     = MTD_WRITEABLE,
  96         },
  97 };
  98
  99 static struct physmap_flash_data qnap_ts409_nor_flash_data = {
 100         .width          = 1,
 101         .parts          = qnap_ts409_partitions,
 102         .nr_parts       = ARRAY_SIZE(qnap_ts409_partitions)
 103 };
 104
 105 static struct resource qnap_ts409_nor_flash_resource = {
 106         .flags  = IORESOURCE_MEM,
 107         .start  = QNAP_TS409_NOR_BOOT_BASE,
 108         .end    = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
 109 };
 110
 111 static struct platform_device qnap_ts409_nor_flash = {
 112         .name           = "physmap-flash",
 113         .id             = 0,
 114         .dev            = { .platform_data = &qnap_ts409_nor_flash_data, },
 115         .num_resources  = 1,
 116         .resource       = &qnap_ts409_nor_flash_resource,
 117 };
 118
 119 /*****************************************************************************
 120  * PCI
 121  ****************************************************************************/
 122
 123 static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
 124         u8 pin)
 125 {
 126         int irq;
 127
 128         /*
 129          * Check for devices with hard-wired IRQs.
 130          */
 131         irq = orion5x_pci_map_irq(dev, slot, pin);
 132         if (irq != -1)
 133                 return irq;
 134
 135         /*
 136          * PCI isn't used on the TS-409
 137          */
 138         return -1;
 139 }
 140
 141 static struct hw_pci qnap_ts409_pci __initdata = {
 142         .nr_controllers = 2,
 143         .swizzle        = pci_std_swizzle,
 144         .setup          = orion5x_pci_sys_setup,
 145         .scan           = orion5x_pci_sys_scan_bus,
 146         .map_irq        = qnap_ts409_pci_map_irq,
 147 };
 148
 149 static int __init qnap_ts409_pci_init(void)
 150 {
 151         if (machine_is_ts409())
 152                 pci_common_init(&qnap_ts409_pci);
 153
 154         return 0;
 155 }
 156
 157 subsys_initcall(qnap_ts409_pci_init);
 158
 159 /*****************************************************************************
 160  * RTC S35390A on I2C bus
 161  ****************************************************************************/
 162
 163 #define TS409_RTC_GPIO  10
 164
 165 static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
 166         I2C_BOARD_INFO("s35390a", 0x30),
 167 };
 168
 169 /*****************************************************************************
 170  * LEDs attached to GPIO
 171  ****************************************************************************/
 172
 173 static struct gpio_led ts409_led_pins[] = {
 174         {
 175                 .name           = "ts409:red:sata1",
 176                 .gpio           = 4,
 177                 .active_low     = 1,
 178         }, {
 179                 .name           = "ts409:red:sata2",
 180                 .gpio           = 5,
 181                 .active_low     = 1,
 182         }, {
 183                 .name           = "ts409:red:sata3",
 184                 .gpio           = 6,
 185                 .active_low     = 1,
 186         }, {
 187                 .name           = "ts409:red:sata4",
 188                 .gpio           = 7,
 189                 .active_low     = 1,
 190         },
 191 };
 192
 193 static struct gpio_led_platform_data ts409_led_data = {
 194         .leds           = ts409_led_pins,
 195         .num_leds       = ARRAY_SIZE(ts409_led_pins),
 196 };
 197
 198 static struct platform_device ts409_leds = {
 199         .name   = "leds-gpio",
 200         .id     = -1,
 201         .dev    = {
 202                 .platform_data  = &ts409_led_data,
 203         },
 204 };
 205
 206 /****************************************************************************
 207  * GPIO Attached Keys
 208  *     Power button is attached to the PIC microcontroller
 209  ****************************************************************************/
 210
 211 #define QNAP_TS409_GPIO_KEY_RESET       14
 212 #define QNAP_TS409_GPIO_KEY_MEDIA       15
 213
 214 static struct gpio_keys_button qnap_ts409_buttons[] = {
 215         {
 216                 .code           = KEY_RESTART,
 217                 .gpio           = QNAP_TS409_GPIO_KEY_RESET,
 218                 .desc           = "Reset Button",
 219                 .active_low     = 1,
 220         }, {
 221                 .code           = KEY_COPY,
 222                 .gpio           = QNAP_TS409_GPIO_KEY_MEDIA,
 223                 .desc           = "USB Copy Button",
 224                 .active_low     = 1,
 225         },
 226 };
 227
 228 static struct gpio_keys_platform_data qnap_ts409_button_data = {
 229         .buttons        = qnap_ts409_buttons,
 230         .nbuttons       = ARRAY_SIZE(qnap_ts409_buttons),
 231 };
 232
 233 static struct platform_device qnap_ts409_button_device = {
 234         .name           = "gpio-keys",
 235         .id             = -1,
 236         .num_resources  = 0,
 237         .dev            = {
 238                 .platform_data  = &qnap_ts409_button_data,
 239         },
 240 };
 241
 242 /*****************************************************************************
 243  * General Setup
 244  ****************************************************************************/
 245 static unsigned int ts409_mpp_modes[] __initdata = {
 246         MPP0_UNUSED,
 247         MPP1_UNUSED,
 248         MPP2_UNUSED,
 249         MPP3_UNUSED,
 250         MPP4_GPIO,              /* HDD 1 status */
 251         MPP5_GPIO,              /* HDD 2 status */
 252         MPP6_GPIO,              /* HDD 3 status */
 253         MPP7_GPIO,              /* HDD 4 status */
 254         MPP8_UNUSED,
 255         MPP9_UNUSED,
 256         MPP10_GPIO,             /* RTC int */
 257         MPP11_UNUSED,
 258         MPP12_UNUSED,
 259         MPP13_UNUSED,
 260         MPP14_GPIO,             /* SW_RST */
 261         MPP15_GPIO,             /* USB copy button */
 262         MPP16_UART,             /* UART1 RXD */
 263         MPP17_UART,             /* UART1 TXD */
 264         MPP18_UNUSED,
 265         MPP19_UNUSED,
 266         0,
 267 };
 268
 269 static void __init qnap_ts409_init(void)
 270 {
 271         /*
 272          * Setup basic Orion functions. Need to be called early.
 273          */
 274         orion5x_init();
 275
 276         orion5x_mpp_conf(ts409_mpp_modes);
 277
 278         /*
 279          * Configure peripherals.
 280          */
 281         orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE,
 282                                    QNAP_TS409_NOR_BOOT_SIZE);
 283         platform_device_register(&qnap_ts409_nor_flash);
 284
 285         orion5x_ehci0_init();
 286         qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
 287                                  qnap_ts409_partitions[5].offset,
 288                                  qnap_ts409_partitions[5].size);
 289         orion5x_eth_init(&qnap_tsx09_eth_data);
 290         orion5x_i2c_init();
 291         orion5x_uart0_init();
 292         orion5x_uart1_init();
 293
 294         platform_device_register(&qnap_ts409_button_device);
 295
 296         /* Get RTC IRQ and register the chip */
 297         if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
 298                 if (gpio_direction_input(TS409_RTC_GPIO) == 0)
 299                         qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
 300                 else
 301                         gpio_free(TS409_RTC_GPIO);
 302         }
 303         if (qnap_ts409_i2c_rtc.irq == 0)
 304                 pr_warning("qnap_ts409_init: failed to get RTC IRQ\n");
 305         i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
 306         platform_device_register(&ts409_leds);
 307
 308         /* register tsx09 specific power-off method */
 309         pm_power_off = qnap_tsx09_power_off;
 310 }
 311
 312 MACHINE_START(TS409, "QNAP TS-409")
 313         /* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
 314         .atag_offset    = 0x100,
 315         .init_machine   = qnap_ts409_init,
 316         .map_io         = orion5x_map_io,
 317         .init_early     = orion5x_init_early,
 318         .init_irq       = orion5x_init_irq,
 319         .timer          = &orion5x_timer,
 320         .fixup          = tag_fixup_mem32,
 321 MACHINE_END