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         .setup          = orion5x_pci_sys_setup,
 144         .scan           = orion5x_pci_sys_scan_bus,
 145         .map_irq        = qnap_ts409_pci_map_irq,
 146 };
 147
 148 static int __init qnap_ts409_pci_init(void)
 149 {
 150         if (machine_is_ts409())
 151                 pci_common_init(&qnap_ts409_pci);
 152
 153         return 0;
 154 }
 155
 156 subsys_initcall(qnap_ts409_pci_init);
 157
 158 /*****************************************************************************
 159  * RTC S35390A on I2C bus
 160  ****************************************************************************/
 161
 162 #define TS409_RTC_GPIO  10
 163
 164 static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
 165         I2C_BOARD_INFO("s35390a", 0x30),
 166 };
 167
 168 /*****************************************************************************
 169  * LEDs attached to GPIO
 170  ****************************************************************************/
 171
 172 static struct gpio_led ts409_led_pins[] = {
 173         {
 174                 .name           = "ts409:red:sata1",
 175                 .gpio           = 4,
 176                 .active_low     = 1,
 177         }, {
 178                 .name           = "ts409:red:sata2",
 179                 .gpio           = 5,
 180                 .active_low     = 1,
 181         }, {
 182                 .name           = "ts409:red:sata3",
 183                 .gpio           = 6,
 184                 .active_low     = 1,
 185         }, {
 186                 .name           = "ts409:red:sata4",
 187                 .gpio           = 7,
 188                 .active_low     = 1,
 189         },
 190 };
 191
 192 static struct gpio_led_platform_data ts409_led_data = {
 193         .leds           = ts409_led_pins,
 194         .num_leds       = ARRAY_SIZE(ts409_led_pins),
 195 };
 196
 197 static struct platform_device ts409_leds = {
 198         .name   = "leds-gpio",
 199         .id     = -1,
 200         .dev    = {
 201                 .platform_data  = &ts409_led_data,
 202         },
 203 };
 204
 205 /****************************************************************************
 206  * GPIO Attached Keys
 207  *     Power button is attached to the PIC microcontroller
 208  ****************************************************************************/
 209
 210 #define QNAP_TS409_GPIO_KEY_RESET       14
 211 #define QNAP_TS409_GPIO_KEY_MEDIA       15
 212
 213 static struct gpio_keys_button qnap_ts409_buttons[] = {
 214         {
 215                 .code           = KEY_RESTART,
 216                 .gpio           = QNAP_TS409_GPIO_KEY_RESET,
 217                 .desc           = "Reset Button",
 218                 .active_low     = 1,
 219         }, {
 220                 .code           = KEY_COPY,
 221                 .gpio           = QNAP_TS409_GPIO_KEY_MEDIA,
 222                 .desc           = "USB Copy Button",
 223                 .active_low     = 1,
 224         },
 225 };
 226
 227 static struct gpio_keys_platform_data qnap_ts409_button_data = {
 228         .buttons        = qnap_ts409_buttons,
 229         .nbuttons       = ARRAY_SIZE(qnap_ts409_buttons),
 230 };
 231
 232 static struct platform_device qnap_ts409_button_device = {
 233         .name           = "gpio-keys",
 234         .id             = -1,
 235         .num_resources  = 0,
 236         .dev            = {
 237                 .platform_data  = &qnap_ts409_button_data,
 238         },
 239 };
 240
 241 /*****************************************************************************
 242  * General Setup
 243  ****************************************************************************/
 244 static unsigned int ts409_mpp_modes[] __initdata = {
 245         MPP0_UNUSED,
 246         MPP1_UNUSED,
 247         MPP2_UNUSED,
 248         MPP3_UNUSED,
 249         MPP4_GPIO,              /* HDD 1 status */
 250         MPP5_GPIO,              /* HDD 2 status */
 251         MPP6_GPIO,              /* HDD 3 status */
 252         MPP7_GPIO,              /* HDD 4 status */
 253         MPP8_UNUSED,
 254         MPP9_UNUSED,
 255         MPP10_GPIO,             /* RTC int */
 256         MPP11_UNUSED,
 257         MPP12_UNUSED,
 258         MPP13_UNUSED,
 259         MPP14_GPIO,             /* SW_RST */
 260         MPP15_GPIO,             /* USB copy button */
 261         MPP16_UART,             /* UART1 RXD */
 262         MPP17_UART,             /* UART1 TXD */
 263         MPP18_UNUSED,
 264         MPP19_UNUSED,
 265         0,
 266 };
 267
 268 static void __init qnap_ts409_init(void)
 269 {
 270         /*
 271          * Setup basic Orion functions. Need to be called early.
 272          */
 273         orion5x_init();
 274
 275         orion5x_mpp_conf(ts409_mpp_modes);
 276
 277         /*
 278          * Configure peripherals.
 279          */
 280         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 281                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 282                                     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_warn("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         .atag_offset    = 0x100,
 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         .init_time      = orion5x_timer_init,
 321         .fixup          = tag_fixup_mem32,
 322         .restart        = orion5x_restart,
 323 MACHINE_END