linux/arch/arm/mach-orion5x/ts209-setup.c
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   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
  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/gpio.h>
  27#include <asm/mach/arch.h>
  28#include <asm/mach/pci.h>
  29#include <mach/orion5x.h>
  30#include "common.h"
  31#include "mpp.h"
  32#include "tsx09-common.h"
  33
  34#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
  35#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
  36
  37/****************************************************************************
  38 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  39 *     partitions on the device because we want to keep compatibility with
  40 *     existing QNAP firmware.
  41 *
  42 * Layout as used by QNAP:
  43 *  [2] 0x00000000-0x00200000 : "Kernel"
  44 *  [3] 0x00200000-0x00600000 : "RootFS1"
  45 *  [4] 0x00600000-0x00700000 : "RootFS2"
  46 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  47 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  48 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  49 ***************************************************************************/
  50static struct mtd_partition qnap_ts209_partitions[] = {
  51        {
  52                .name           = "U-Boot",
  53                .size           = 0x00080000,
  54                .offset         = 0x00780000,
  55                .mask_flags     = MTD_WRITEABLE,
  56        }, {
  57                .name           = "Kernel",
  58                .size           = 0x00200000,
  59                .offset         = 0,
  60        }, {
  61                .name           = "RootFS1",
  62                .size           = 0x00400000,
  63                .offset         = 0x00200000,
  64        }, {
  65                .name           = "RootFS2",
  66                .size           = 0x00100000,
  67                .offset         = 0x00600000,
  68        }, {
  69                .name           = "U-Boot Config",
  70                .size           = 0x00020000,
  71                .offset         = 0x00760000,
  72        }, {
  73                .name           = "NAS Config",
  74                .size           = 0x00060000,
  75                .offset         = 0x00700000,
  76                .mask_flags     = MTD_WRITEABLE,
  77        },
  78};
  79
  80static struct physmap_flash_data qnap_ts209_nor_flash_data = {
  81        .width          = 1,
  82        .parts          = qnap_ts209_partitions,
  83        .nr_parts       = ARRAY_SIZE(qnap_ts209_partitions)
  84};
  85
  86static struct resource qnap_ts209_nor_flash_resource = {
  87        .flags  = IORESOURCE_MEM,
  88        .start  = QNAP_TS209_NOR_BOOT_BASE,
  89        .end    = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
  90};
  91
  92static struct platform_device qnap_ts209_nor_flash = {
  93        .name           = "physmap-flash",
  94        .id             = 0,
  95        .dev            = {
  96                .platform_data  = &qnap_ts209_nor_flash_data,
  97        },
  98        .resource       = &qnap_ts209_nor_flash_resource,
  99        .num_resources  = 1,
 100};
 101
 102/*****************************************************************************
 103 * PCI
 104 ****************************************************************************/
 105
 106#define QNAP_TS209_PCI_SLOT0_OFFS       7
 107#define QNAP_TS209_PCI_SLOT0_IRQ_PIN    6
 108#define QNAP_TS209_PCI_SLOT1_IRQ_PIN    7
 109
 110void __init qnap_ts209_pci_preinit(void)
 111{
 112        int pin;
 113
 114        /*
 115         * Configure PCI GPIO IRQ pins
 116         */
 117        pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
 118        if (gpio_request(pin, "PCI Int1") == 0) {
 119                if (gpio_direction_input(pin) == 0) {
 120                        irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 121                } else {
 122                        printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
 123                                        "set_irq_type pin %d\n", pin);
 124                        gpio_free(pin);
 125                }
 126        } else {
 127                printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
 128                                "%d\n", pin);
 129        }
 130
 131        pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
 132        if (gpio_request(pin, "PCI Int2") == 0) {
 133                if (gpio_direction_input(pin) == 0) {
 134                        irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 135                } else {
 136                        printk(KERN_ERR "qnap_ts209_pci_preinit failed "
 137                                        "to set_irq_type pin %d\n", pin);
 138                        gpio_free(pin);
 139                }
 140        } else {
 141                printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
 142                                "%d\n", pin);
 143        }
 144}
 145
 146static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, 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
 170static struct hw_pci qnap_ts209_pci __initdata = {
 171        .nr_controllers = 2,
 172        .preinit        = qnap_ts209_pci_preinit,
 173        .swizzle        = pci_std_swizzle,
 174        .setup          = orion5x_pci_sys_setup,
 175        .scan           = orion5x_pci_sys_scan_bus,
 176        .map_irq        = qnap_ts209_pci_map_irq,
 177};
 178
 179static int __init qnap_ts209_pci_init(void)
 180{
 181        if (machine_is_ts_x09())
 182                pci_common_init(&qnap_ts209_pci);
 183
 184        return 0;
 185}
 186
 187subsys_initcall(qnap_ts209_pci_init);
 188
 189/*****************************************************************************
 190 * RTC S35390A on I2C bus
 191 ****************************************************************************/
 192
 193#define TS209_RTC_GPIO  3
 194
 195static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
 196        I2C_BOARD_INFO("s35390a", 0x30),
 197        .irq    = 0,
 198};
 199
 200/****************************************************************************
 201 * GPIO Attached Keys
 202 *     Power button is attached to the PIC microcontroller
 203 ****************************************************************************/
 204
 205#define QNAP_TS209_GPIO_KEY_MEDIA       1
 206#define QNAP_TS209_GPIO_KEY_RESET       2
 207
 208static struct gpio_keys_button qnap_ts209_buttons[] = {
 209        {
 210                .code           = KEY_COPY,
 211                .gpio           = QNAP_TS209_GPIO_KEY_MEDIA,
 212                .desc           = "USB Copy Button",
 213                .active_low     = 1,
 214        }, {
 215                .code           = KEY_RESTART,
 216                .gpio           = QNAP_TS209_GPIO_KEY_RESET,
 217                .desc           = "Reset Button",
 218                .active_low     = 1,
 219        },
 220};
 221
 222static struct gpio_keys_platform_data qnap_ts209_button_data = {
 223        .buttons        = qnap_ts209_buttons,
 224        .nbuttons       = ARRAY_SIZE(qnap_ts209_buttons),
 225};
 226
 227static struct platform_device qnap_ts209_button_device = {
 228        .name           = "gpio-keys",
 229        .id             = -1,
 230        .num_resources  = 0,
 231        .dev            = {
 232                .platform_data  = &qnap_ts209_button_data,
 233        },
 234};
 235
 236/*****************************************************************************
 237 * SATA
 238 ****************************************************************************/
 239static struct mv_sata_platform_data qnap_ts209_sata_data = {
 240        .n_ports        = 2,
 241};
 242
 243/*****************************************************************************
 244
 245 * General Setup
 246 ****************************************************************************/
 247static struct orion5x_mpp_mode ts209_mpp_modes[] __initdata = {
 248        {  0, MPP_UNUSED },
 249        {  1, MPP_GPIO },               /* USB copy button */
 250        {  2, MPP_GPIO },               /* Load defaults button */
 251        {  3, MPP_GPIO },               /* GPIO RTC */
 252        {  4, MPP_UNUSED },
 253        {  5, MPP_UNUSED },
 254        {  6, MPP_GPIO },               /* PCI Int A */
 255        {  7, MPP_GPIO },               /* PCI Int B */
 256        {  8, MPP_UNUSED },
 257        {  9, MPP_UNUSED },
 258        { 10, MPP_UNUSED },
 259        { 11, MPP_UNUSED },
 260        { 12, MPP_SATA_LED },           /* SATA 0 presence */
 261        { 13, MPP_SATA_LED },           /* SATA 1 presence */
 262        { 14, MPP_SATA_LED },           /* SATA 0 active */
 263        { 15, MPP_SATA_LED },           /* SATA 1 active */
 264        { 16, MPP_UART },               /* UART1 RXD */
 265        { 17, MPP_UART },               /* UART1 TXD */
 266        { 18, MPP_GPIO },               /* SW_RST */
 267        { 19, MPP_UNUSED },
 268        { -1 },
 269};
 270
 271static void __init qnap_ts209_init(void)
 272{
 273        /*
 274         * Setup basic Orion functions. Need to be called early.
 275         */
 276        orion5x_init();
 277
 278        orion5x_mpp_conf(ts209_mpp_modes);
 279
 280        /*
 281         * MPP[20] PCI clock 0
 282         * MPP[21] PCI clock 1
 283         * MPP[22] USB 0 over current
 284         * MPP[23-25] Reserved
 285         */
 286
 287        /*
 288         * Configure peripherals.
 289         */
 290        orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
 291                                   QNAP_TS209_NOR_BOOT_SIZE);
 292        platform_device_register(&qnap_ts209_nor_flash);
 293
 294        orion5x_ehci0_init();
 295        orion5x_ehci1_init();
 296        qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
 297                                 qnap_ts209_partitions[5].offset,
 298                                 qnap_ts209_partitions[5].size);
 299        orion5x_eth_init(&qnap_tsx09_eth_data);
 300        orion5x_i2c_init();
 301        orion5x_sata_init(&qnap_ts209_sata_data);
 302        orion5x_uart0_init();
 303        orion5x_uart1_init();
 304        orion5x_xor_init();
 305
 306        platform_device_register(&qnap_ts209_button_device);
 307
 308        /* Get RTC IRQ and register the chip */
 309        if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
 310                if (gpio_direction_input(TS209_RTC_GPIO) == 0)
 311                        qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
 312                else
 313                        gpio_free(TS209_RTC_GPIO);
 314        }
 315        if (qnap_ts209_i2c_rtc.irq == 0)
 316                pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
 317        i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
 318
 319        /* register tsx09 specific power-off method */
 320        pm_power_off = qnap_tsx09_power_off;
 321}
 322
 323MACHINE_START(TS209, "QNAP TS-109/TS-209")
 324        /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
 325        .boot_params    = 0x00000100,
 326        .init_machine   = qnap_ts209_init,
 327        .map_io         = orion5x_map_io,
 328        .init_early     = orion5x_init_early,
 329        .init_irq       = orion5x_init_irq,
 330        .timer          = &orion5x_timer,
 331        .fixup          = tag_fixup_mem32,
 332MACHINE_END
 333