arch/arm/mach-orion5x/ts209-setup.c

   1 /*
   2  * QNAP TS-109/TS-209 Board Setup
   3  *
   4  * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the License, or (at your option) any later version.
  10  */
  11 #include <linux/gpio.h>
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/pci.h>
  16 #include <linux/irq.h>
  17 #include <linux/mtd/physmap.h>
  18 #include <linux/mtd/nand.h>
  19 #include <linux/mv643xx_eth.h>
  20 #include <linux/gpio_keys.h>
  21 #include <linux/input.h>
  22 #include <linux/i2c.h>
  23 #include <linux/serial_reg.h>
  24 #include <linux/ata_platform.h>
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/pci.h>
  28 #include <mach/orion5x.h>
  29 #include "common.h"
  30 #include "mpp.h"
  31 #include "tsx09-common.h"
  32
  33 #define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
  34 #define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
  35
  36 /****************************************************************************
  37  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  38  *     partitions on the device because we want to keep compatibility with
  39  *     existing QNAP firmware.
  40  *
  41  * Layout as used by QNAP:
  42  *  [2] 0x00000000-0x00200000 : "Kernel"
  43  *  [3] 0x00200000-0x00600000 : "RootFS1"
  44  *  [4] 0x00600000-0x00700000 : "RootFS2"
  45  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  46  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  47  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  48  ***************************************************************************/
  49 static struct mtd_partition qnap_ts209_partitions[] = {
  50         {
  51                 .name           = "U-Boot",
  52                 .size           = 0x00080000,
  53                 .offset         = 0x00780000,
  54                 .mask_flags     = MTD_WRITEABLE,
  55         }, {
  56                 .name           = "Kernel",
  57                 .size           = 0x00200000,
  58                 .offset         = 0,
  59         }, {
  60                 .name           = "RootFS1",
  61                 .size           = 0x00400000,
  62                 .offset         = 0x00200000,
  63         }, {
  64                 .name           = "RootFS2",
  65                 .size           = 0x00100000,
  66                 .offset         = 0x00600000,
  67         }, {
  68                 .name           = "U-Boot Config",
  69                 .size           = 0x00020000,
  70                 .offset         = 0x00760000,
  71         }, {
  72                 .name           = "NAS Config",
  73                 .size           = 0x00060000,
  74                 .offset         = 0x00700000,
  75                 .mask_flags     = MTD_WRITEABLE,
  76         },
  77 };
  78
  79 static struct physmap_flash_data qnap_ts209_nor_flash_data = {
  80         .width          = 1,
  81         .parts          = qnap_ts209_partitions,
  82         .nr_parts       = ARRAY_SIZE(qnap_ts209_partitions)
  83 };
  84
  85 static struct resource qnap_ts209_nor_flash_resource = {
  86         .flags  = IORESOURCE_MEM,
  87         .start  = QNAP_TS209_NOR_BOOT_BASE,
  88         .end    = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
  89 };
  90
  91 static struct platform_device qnap_ts209_nor_flash = {
  92         .name           = "physmap-flash",
  93         .id             = 0,
  94         .dev            = {
  95                 .platform_data  = &qnap_ts209_nor_flash_data,
  96         },
  97         .resource       = &qnap_ts209_nor_flash_resource,
  98         .num_resources  = 1,
  99 };
 100
 101 /*****************************************************************************
 102  * PCI
 103  ****************************************************************************/
 104
 105 #define QNAP_TS209_PCI_SLOT0_OFFS       7
 106 #define QNAP_TS209_PCI_SLOT0_IRQ_PIN    6
 107 #define QNAP_TS209_PCI_SLOT1_IRQ_PIN    7
 108
 109 static void __init qnap_ts209_pci_preinit(void)
 110 {
 111         int pin;
 112
 113         /*
 114          * Configure PCI GPIO IRQ pins
 115          */
 116         pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
 117         if (gpio_request(pin, "PCI Int1") == 0) {
 118                 if (gpio_direction_input(pin) == 0) {
 119                         irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 120                 } else {
 121                         printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
 122                                         "set_irq_type pin %d\n", pin);
 123                         gpio_free(pin);
 124                 }
 125         } else {
 126                 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
 127                                 "%d\n", pin);
 128         }
 129
 130         pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
 131         if (gpio_request(pin, "PCI Int2") == 0) {
 132                 if (gpio_direction_input(pin) == 0) {
 133                         irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 134                 } else {
 135                         printk(KERN_ERR "qnap_ts209_pci_preinit failed "
 136                                         "to set_irq_type pin %d\n", pin);
 137                         gpio_free(pin);
 138                 }
 139         } else {
 140                 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
 141                                 "%d\n", pin);
 142         }
 143 }
 144
 145 static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
 146         u8 pin)
 147 {
 148         int irq;
 149
 150         /*
 151          * Check for devices with hard-wired IRQs.
 152          */
 153         irq = orion5x_pci_map_irq(dev, slot, pin);
 154         if (irq != -1)
 155                 return irq;
 156
 157         /*
 158          * PCI IRQs are connected via GPIOs.
 159          */
 160         switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
 161         case 0:
 162                 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
 163         case 1:
 164                 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
 165         default:
 166                 return -1;
 167         }
 168 }
 169
 170 static struct hw_pci qnap_ts209_pci __initdata = {
 171         .nr_controllers = 2,
 172         .preinit        = qnap_ts209_pci_preinit,
 173         .setup          = orion5x_pci_sys_setup,
 174         .scan           = orion5x_pci_sys_scan_bus,
 175         .map_irq        = qnap_ts209_pci_map_irq,
 176 };
 177
 178 static int __init qnap_ts209_pci_init(void)
 179 {
 180         if (machine_is_ts209())
 181                 pci_common_init(&qnap_ts209_pci);
 182
 183         return 0;
 184 }
 185
 186 subsys_initcall(qnap_ts209_pci_init);
 187
 188 /*****************************************************************************
 189  * RTC S35390A on I2C bus
 190  ****************************************************************************/
 191
 192 #define TS209_RTC_GPIO  3
 193
 194 static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
 195         I2C_BOARD_INFO("s35390a", 0x30),
 196         .irq    = 0,
 197 };
 198
 199 /****************************************************************************
 200  * GPIO Attached Keys
 201  *     Power button is attached to the PIC microcontroller
 202  ****************************************************************************/
 203
 204 #define QNAP_TS209_GPIO_KEY_MEDIA       1
 205 #define QNAP_TS209_GPIO_KEY_RESET       2
 206
 207 static struct gpio_keys_button qnap_ts209_buttons[] = {
 208         {
 209                 .code           = KEY_COPY,
 210                 .gpio           = QNAP_TS209_GPIO_KEY_MEDIA,
 211                 .desc           = "USB Copy Button",
 212                 .active_low     = 1,
 213         }, {
 214                 .code           = KEY_RESTART,
 215                 .gpio           = QNAP_TS209_GPIO_KEY_RESET,
 216                 .desc           = "Reset Button",
 217                 .active_low     = 1,
 218         },
 219 };
 220
 221 static struct gpio_keys_platform_data qnap_ts209_button_data = {
 222         .buttons        = qnap_ts209_buttons,
 223         .nbuttons       = ARRAY_SIZE(qnap_ts209_buttons),
 224 };
 225
 226 static struct platform_device qnap_ts209_button_device = {
 227         .name           = "gpio-keys",
 228         .id             = -1,
 229         .num_resources  = 0,
 230         .dev            = {
 231                 .platform_data  = &qnap_ts209_button_data,
 232         },
 233 };
 234
 235 /*****************************************************************************
 236  * SATA
 237  ****************************************************************************/
 238 static struct mv_sata_platform_data qnap_ts209_sata_data = {
 239         .n_ports        = 2,
 240 };
 241
 242 /*****************************************************************************
 243
 244  * General Setup
 245  ****************************************************************************/
 246 static unsigned int ts209_mpp_modes[] __initdata = {
 247         MPP0_UNUSED,
 248         MPP1_GPIO,              /* USB copy button */
 249         MPP2_GPIO,              /* Load defaults button */
 250         MPP3_GPIO,              /* GPIO RTC */
 251         MPP4_UNUSED,
 252         MPP5_UNUSED,
 253         MPP6_GPIO,              /* PCI Int A */
 254         MPP7_GPIO,              /* PCI Int B */
 255         MPP8_UNUSED,
 256         MPP9_UNUSED,
 257         MPP10_UNUSED,
 258         MPP11_UNUSED,
 259         MPP12_SATA_LED,         /* SATA 0 presence */
 260         MPP13_SATA_LED,         /* SATA 1 presence */
 261         MPP14_SATA_LED,         /* SATA 0 active */
 262         MPP15_SATA_LED,         /* SATA 1 active */
 263         MPP16_UART,             /* UART1 RXD */
 264         MPP17_UART,             /* UART1 TXD */
 265         MPP18_GPIO,             /* SW_RST */
 266         MPP19_UNUSED,
 267         0,
 268 };
 269
 270 static void __init qnap_ts209_init(void)
 271 {
 272         /*
 273          * Setup basic Orion functions. Need to be called early.
 274          */
 275         orion5x_init();
 276
 277         orion5x_mpp_conf(ts209_mpp_modes);
 278
 279         /*
 280          * MPP[20] PCI clock 0
 281          * MPP[21] PCI clock 1
 282          * MPP[22] USB 0 over current
 283          * MPP[23-25] Reserved
 284          */
 285
 286         /*
 287          * Configure peripherals.
 288          */
 289         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 290                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 291                                     QNAP_TS209_NOR_BOOT_BASE,
 292                                     QNAP_TS209_NOR_BOOT_SIZE);
 293         platform_device_register(&qnap_ts209_nor_flash);
 294
 295         orion5x_ehci0_init();
 296         orion5x_ehci1_init();
 297         qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
 298                                  qnap_ts209_partitions[5].offset,
 299                                  qnap_ts209_partitions[5].size);
 300         orion5x_eth_init(&qnap_tsx09_eth_data);
 301         orion5x_i2c_init();
 302         orion5x_sata_init(&qnap_ts209_sata_data);
 303         orion5x_uart0_init();
 304         orion5x_uart1_init();
 305         orion5x_xor_init();
 306
 307         platform_device_register(&qnap_ts209_button_device);
 308
 309         /* Get RTC IRQ and register the chip */
 310         if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
 311                 if (gpio_direction_input(TS209_RTC_GPIO) == 0)
 312                         qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
 313                 else
 314                         gpio_free(TS209_RTC_GPIO);
 315         }
 316         if (qnap_ts209_i2c_rtc.irq == 0)
 317                 pr_warn("qnap_ts209_init: failed to get RTC IRQ\n");
 318         i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
 319
 320         /* register tsx09 specific power-off method */
 321         pm_power_off = qnap_tsx09_power_off;
 322 }
 323
 324 MACHINE_START(TS209, "QNAP TS-109/TS-209")
 325         /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
 326         .atag_offset    = 0x100,
 327         .init_machine   = qnap_ts209_init,
 328         .map_io         = orion5x_map_io,
 329         .init_early     = orion5x_init_early,
 330         .init_irq       = orion5x_init_irq,
 331         .init_time      = orion5x_timer_init,
 332         .fixup          = tag_fixup_mem32,
 333         .restart        = orion5x_restart,
 334 MACHINE_END