release/src-rt-6.x.4708/linux/linux-2.6.36/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
  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 compatability 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  ***************************************************************************/
  50 static 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
  80 static 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
  86 static 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
  92 static 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
 110 void __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                         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                         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
 146 static 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
 170 static 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
 179 static 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
 187 subsys_initcall(qnap_ts209_pci_init);
 188
 189 /*****************************************************************************
 190  * RTC S35390A on I2C bus
 191  ****************************************************************************/
 192
 193 #define TS209_RTC_GPIO  3
 194
 195 static 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
 208 static 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
 222 static struct gpio_keys_platform_data qnap_ts209_button_data = {
 223         .buttons        = qnap_ts209_buttons,
 224         .nbuttons       = ARRAY_SIZE(qnap_ts209_buttons),
 225 };
 226
 227 static 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  ****************************************************************************/
 239 static struct mv_sata_platform_data qnap_ts209_sata_data = {
 240         .n_ports        = 2,
 241 };
 242
 243 /*****************************************************************************
 244
 245  * General Setup
 246  ****************************************************************************/
 247 static 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
 271 static 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
 323 MACHINE_START(TS209, "QNAP TS-109/TS-209")
 324         /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
 325         .phys_io        = ORION5X_REGS_PHYS_BASE,
 326         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 327         .boot_params    = 0x00000100,
 328         .init_machine   = qnap_ts209_init,
 329         .map_io         = orion5x_map_io,
 330         .init_irq       = orion5x_init_irq,
 331         .timer          = &orion5x_timer,
 332         .fixup          = tag_fixup_mem32,
 333 MACHINE_END