arch/arm/mach-orion5x/ts409-setup.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * QNAP TS-409 Board Setup
   4  *
   5  * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
   6  *
   7  * Copyright (C) 2008  Sylver Bruneau <sylver.bruneau@gmail.com>
   8  * Copyright (C) 2008  Martin Michlmayr <tbm@cyrius.com>
   9  */
  10 #include <linux/gpio.h>
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/pci.h>
  15 #include <linux/irq.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/mv643xx_eth.h>
  18 #include <linux/leds.h>
  19 #include <linux/gpio_keys.h>
  20 #include <linux/input.h>
  21 #include <linux/i2c.h>
  22 #include <linux/serial_reg.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/pci.h>
  26 #include "common.h"
  27 #include "mpp.h"
  28 #include "orion5x.h"
  29 #include "tsx09-common.h"
  30
  31 /*****************************************************************************
  32  * QNAP TS-409 Info
  33  ****************************************************************************/
  34
  35 /*
  36  * QNAP TS-409 hardware :
  37  * - Marvell 88F5281-D0
  38  * - Marvell 88SX7042 SATA controller (PCIe)
  39  * - Marvell 88E1118 Gigabit Ethernet PHY
  40  * - RTC S35390A (@0x30) on I2C bus
  41  * - 8MB NOR flash
  42  * - 256MB of DDR-2 RAM
  43  */
  44
  45 /*
  46  * 8MB NOR flash Device bus boot chip select
  47  */
  48
  49 #define QNAP_TS409_NOR_BOOT_BASE 0xff800000
  50 #define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
  51
  52 /****************************************************************************
  53  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  54  *     partitions on the device because we want to keep compatibility with
  55  *     existing QNAP firmware.
  56  *
  57  * Layout as used by QNAP:
  58  *  [2] 0x00000000-0x00200000 : "Kernel"
  59  *  [3] 0x00200000-0x00600000 : "RootFS1"
  60  *  [4] 0x00600000-0x00700000 : "RootFS2"
  61  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  62  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  63  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  64  ***************************************************************************/
  65 static struct mtd_partition qnap_ts409_partitions[] = {
  66         {
  67                 .name           = "U-Boot",
  68                 .size           = 0x00080000,
  69                 .offset         = 0x00780000,
  70                 .mask_flags     = MTD_WRITEABLE,
  71         }, {
  72                 .name           = "Kernel",
  73                 .size           = 0x00200000,
  74                 .offset         = 0,
  75         }, {
  76                 .name           = "RootFS1",
  77                 .size           = 0x00400000,
  78                 .offset         = 0x00200000,
  79         }, {
  80                 .name           = "RootFS2",
  81                 .size           = 0x00100000,
  82                 .offset         = 0x00600000,
  83         }, {
  84                 .name           = "U-Boot Config",
  85                 .size           = 0x00020000,
  86                 .offset         = 0x00760000,
  87         }, {
  88                 .name           = "NAS Config",
  89                 .size           = 0x00060000,
  90                 .offset         = 0x00700000,
  91                 .mask_flags     = MTD_WRITEABLE,
  92         },
  93 };
  94
  95 static struct physmap_flash_data qnap_ts409_nor_flash_data = {
  96         .width          = 1,
  97         .parts          = qnap_ts409_partitions,
  98         .nr_parts       = ARRAY_SIZE(qnap_ts409_partitions)
  99 };
 100
 101 static struct resource qnap_ts409_nor_flash_resource = {
 102         .flags  = IORESOURCE_MEM,
 103         .start  = QNAP_TS409_NOR_BOOT_BASE,
 104         .end    = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
 105 };
 106
 107 static struct platform_device qnap_ts409_nor_flash = {
 108         .name           = "physmap-flash",
 109         .id             = 0,
 110         .dev            = { .platform_data = &qnap_ts409_nor_flash_data, },
 111         .num_resources  = 1,
 112         .resource       = &qnap_ts409_nor_flash_resource,
 113 };
 114
 115 /*****************************************************************************
 116  * PCI
 117  ****************************************************************************/
 118
 119 static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
 120         u8 pin)
 121 {
 122         int irq;
 123
 124         /*
 125          * Check for devices with hard-wired IRQs.
 126          */
 127         irq = orion5x_pci_map_irq(dev, slot, pin);
 128         if (irq != -1)
 129                 return irq;
 130
 131         /*
 132          * PCI isn't used on the TS-409
 133          */
 134         return -1;
 135 }
 136
 137 static struct hw_pci qnap_ts409_pci __initdata = {
 138         .nr_controllers = 2,
 139         .setup          = orion5x_pci_sys_setup,
 140         .scan           = orion5x_pci_sys_scan_bus,
 141         .map_irq        = qnap_ts409_pci_map_irq,
 142 };
 143
 144 static int __init qnap_ts409_pci_init(void)
 145 {
 146         if (machine_is_ts409())
 147                 pci_common_init(&qnap_ts409_pci);
 148
 149         return 0;
 150 }
 151
 152 subsys_initcall(qnap_ts409_pci_init);
 153
 154 /*****************************************************************************
 155  * RTC S35390A on I2C bus
 156  ****************************************************************************/
 157
 158 #define TS409_RTC_GPIO  10
 159
 160 static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
 161         I2C_BOARD_INFO("s35390a", 0x30),
 162 };
 163
 164 /*****************************************************************************
 165  * LEDs attached to GPIO
 166  ****************************************************************************/
 167
 168 static struct gpio_led ts409_led_pins[] = {
 169         {
 170                 .name           = "ts409:red:sata1",
 171                 .gpio           = 4,
 172                 .active_low     = 1,
 173         }, {
 174                 .name           = "ts409:red:sata2",
 175                 .gpio           = 5,
 176                 .active_low     = 1,
 177         }, {
 178                 .name           = "ts409:red:sata3",
 179                 .gpio           = 6,
 180                 .active_low     = 1,
 181         }, {
 182                 .name           = "ts409:red:sata4",
 183                 .gpio           = 7,
 184                 .active_low     = 1,
 185         },
 186 };
 187
 188 static struct gpio_led_platform_data ts409_led_data = {
 189         .leds           = ts409_led_pins,
 190         .num_leds       = ARRAY_SIZE(ts409_led_pins),
 191 };
 192
 193 static struct platform_device ts409_leds = {
 194         .name   = "leds-gpio",
 195         .id     = -1,
 196         .dev    = {
 197                 .platform_data  = &ts409_led_data,
 198         },
 199 };
 200
 201 /****************************************************************************
 202  * GPIO Attached Keys
 203  *     Power button is attached to the PIC microcontroller
 204  ****************************************************************************/
 205
 206 #define QNAP_TS409_GPIO_KEY_RESET       14
 207 #define QNAP_TS409_GPIO_KEY_MEDIA       15
 208
 209 static struct gpio_keys_button qnap_ts409_buttons[] = {
 210         {
 211                 .code           = KEY_RESTART,
 212                 .gpio           = QNAP_TS409_GPIO_KEY_RESET,
 213                 .desc           = "Reset Button",
 214                 .active_low     = 1,
 215         }, {
 216                 .code           = KEY_COPY,
 217                 .gpio           = QNAP_TS409_GPIO_KEY_MEDIA,
 218                 .desc           = "USB Copy Button",
 219                 .active_low     = 1,
 220         },
 221 };
 222
 223 static struct gpio_keys_platform_data qnap_ts409_button_data = {
 224         .buttons        = qnap_ts409_buttons,
 225         .nbuttons       = ARRAY_SIZE(qnap_ts409_buttons),
 226 };
 227
 228 static struct platform_device qnap_ts409_button_device = {
 229         .name           = "gpio-keys",
 230         .id             = -1,
 231         .num_resources  = 0,
 232         .dev            = {
 233                 .platform_data  = &qnap_ts409_button_data,
 234         },
 235 };
 236
 237 /*****************************************************************************
 238  * General Setup
 239  ****************************************************************************/
 240 static unsigned int ts409_mpp_modes[] __initdata = {
 241         MPP0_UNUSED,
 242         MPP1_UNUSED,
 243         MPP2_UNUSED,
 244         MPP3_UNUSED,
 245         MPP4_GPIO,              /* HDD 1 status */
 246         MPP5_GPIO,              /* HDD 2 status */
 247         MPP6_GPIO,              /* HDD 3 status */
 248         MPP7_GPIO,              /* HDD 4 status */
 249         MPP8_UNUSED,
 250         MPP9_UNUSED,
 251         MPP10_GPIO,             /* RTC int */
 252         MPP11_UNUSED,
 253         MPP12_UNUSED,
 254         MPP13_UNUSED,
 255         MPP14_GPIO,             /* SW_RST */
 256         MPP15_GPIO,             /* USB copy button */
 257         MPP16_UART,             /* UART1 RXD */
 258         MPP17_UART,             /* UART1 TXD */
 259         MPP18_UNUSED,
 260         MPP19_UNUSED,
 261         0,
 262 };
 263
 264 static void __init qnap_ts409_init(void)
 265 {
 266         /*
 267          * Setup basic Orion functions. Need to be called early.
 268          */
 269         orion5x_init();
 270
 271         orion5x_mpp_conf(ts409_mpp_modes);
 272
 273         /*
 274          * Configure peripherals.
 275          */
 276         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 277                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 278                                     QNAP_TS409_NOR_BOOT_BASE,
 279                                     QNAP_TS409_NOR_BOOT_SIZE);
 280         platform_device_register(&qnap_ts409_nor_flash);
 281
 282         orion5x_ehci0_init();
 283         qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
 284                                  qnap_ts409_partitions[5].offset,
 285                                  qnap_ts409_partitions[5].size);
 286         orion5x_eth_init(&qnap_tsx09_eth_data);
 287         orion5x_i2c_init();
 288         orion5x_uart0_init();
 289         orion5x_uart1_init();
 290
 291         platform_device_register(&qnap_ts409_button_device);
 292
 293         /* Get RTC IRQ and register the chip */
 294         if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
 295                 if (gpio_direction_input(TS409_RTC_GPIO) == 0)
 296                         qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
 297                 else
 298                         gpio_free(TS409_RTC_GPIO);
 299         }
 300         if (qnap_ts409_i2c_rtc.irq == 0)
 301                 pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
 302         i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
 303         platform_device_register(&ts409_leds);
 304
 305         /* register tsx09 specific power-off method */
 306         pm_power_off = qnap_tsx09_power_off;
 307 }
 308
 309 MACHINE_START(TS409, "QNAP TS-409")
 310         /* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
 311         .atag_offset    = 0x100,
 312         .nr_irqs        = ORION5X_NR_IRQS,
 313         .init_machine   = qnap_ts409_init,
 314         .map_io         = orion5x_map_io,
 315         .init_early     = orion5x_init_early,
 316         .init_irq       = orion5x_init_irq,
 317         .init_time      = orion5x_timer_init,
 318         .fixup          = tag_fixup_mem32,
 319         .restart        = orion5x_restart,
 320 MACHINE_END