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/gpio/machine.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/mv643xx_eth.h>
  19 #include <linux/leds.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 <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/pci.h>
  27 #include "common.h"
  28 #include "mpp.h"
  29 #include "orion5x.h"
  30 #include "tsx09-common.h"
  31
  32 /*****************************************************************************
  33  * QNAP TS-409 Info
  34  ****************************************************************************/
  35
  36 /*
  37  * QNAP TS-409 hardware :
  38  * - Marvell 88F5281-D0
  39  * - Marvell 88SX7042 SATA controller (PCIe)
  40  * - Marvell 88E1118 Gigabit Ethernet PHY
  41  * - RTC S35390A (@0x30) on I2C bus
  42  * - 8MB NOR flash
  43  * - 256MB of DDR-2 RAM
  44  */
  45
  46 /*
  47  * 8MB NOR flash Device bus boot chip select
  48  */
  49
  50 #define QNAP_TS409_NOR_BOOT_BASE 0xff800000
  51 #define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
  52
  53 /****************************************************************************
  54  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  55  *     partitions on the device because we want to keep compatibility with
  56  *     existing QNAP firmware.
  57  *
  58  * Layout as used by QNAP:
  59  *  [2] 0x00000000-0x00200000 : "Kernel"
  60  *  [3] 0x00200000-0x00600000 : "RootFS1"
  61  *  [4] 0x00600000-0x00700000 : "RootFS2"
  62  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  63  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  64  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  65  ***************************************************************************/
  66 static struct mtd_partition qnap_ts409_partitions[] = {
  67         {
  68                 .name           = "U-Boot",
  69                 .size           = 0x00080000,
  70                 .offset         = 0x00780000,
  71                 .mask_flags     = MTD_WRITEABLE,
  72         }, {
  73                 .name           = "Kernel",
  74                 .size           = 0x00200000,
  75                 .offset         = 0,
  76         }, {
  77                 .name           = "RootFS1",
  78                 .size           = 0x00400000,
  79                 .offset         = 0x00200000,
  80         }, {
  81                 .name           = "RootFS2",
  82                 .size           = 0x00100000,
  83                 .offset         = 0x00600000,
  84         }, {
  85                 .name           = "U-Boot Config",
  86                 .size           = 0x00020000,
  87                 .offset         = 0x00760000,
  88         }, {
  89                 .name           = "NAS Config",
  90                 .size           = 0x00060000,
  91                 .offset         = 0x00700000,
  92                 .mask_flags     = MTD_WRITEABLE,
  93         },
  94 };
  95
  96 static struct physmap_flash_data qnap_ts409_nor_flash_data = {
  97         .width          = 1,
  98         .parts          = qnap_ts409_partitions,
  99         .nr_parts       = ARRAY_SIZE(qnap_ts409_partitions)
 100 };
 101
 102 static struct resource qnap_ts409_nor_flash_resource = {
 103         .flags  = IORESOURCE_MEM,
 104         .start  = QNAP_TS409_NOR_BOOT_BASE,
 105         .end    = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
 106 };
 107
 108 static struct platform_device qnap_ts409_nor_flash = {
 109         .name           = "physmap-flash",
 110         .id             = 0,
 111         .dev            = { .platform_data = &qnap_ts409_nor_flash_data, },
 112         .num_resources  = 1,
 113         .resource       = &qnap_ts409_nor_flash_resource,
 114 };
 115
 116 /*****************************************************************************
 117  * PCI
 118  ****************************************************************************/
 119
 120 static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
 121         u8 pin)
 122 {
 123         int irq;
 124
 125         /*
 126          * Check for devices with hard-wired IRQs.
 127          */
 128         irq = orion5x_pci_map_irq(dev, slot, pin);
 129         if (irq != -1)
 130                 return irq;
 131
 132         /*
 133          * PCI isn't used on the TS-409
 134          */
 135         return -1;
 136 }
 137
 138 static struct hw_pci qnap_ts409_pci __initdata = {
 139         .nr_controllers = 2,
 140         .setup          = orion5x_pci_sys_setup,
 141         .scan           = orion5x_pci_sys_scan_bus,
 142         .map_irq        = qnap_ts409_pci_map_irq,
 143 };
 144
 145 static int __init qnap_ts409_pci_init(void)
 146 {
 147         if (machine_is_ts409())
 148                 pci_common_init(&qnap_ts409_pci);
 149
 150         return 0;
 151 }
 152
 153 subsys_initcall(qnap_ts409_pci_init);
 154
 155 /*****************************************************************************
 156  * RTC S35390A on I2C bus
 157  ****************************************************************************/
 158
 159 #define TS409_RTC_GPIO  10
 160
 161 static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
 162         I2C_BOARD_INFO("s35390a", 0x30),
 163 };
 164
 165 /*****************************************************************************
 166  * LEDs attached to GPIO
 167  ****************************************************************************/
 168
 169 static struct gpio_led ts409_led_pins[] = {
 170         {
 171                 .name           = "ts409:red:sata1",
 172         }, {
 173                 .name           = "ts409:red:sata2",
 174         }, {
 175                 .name           = "ts409:red:sata3",
 176         }, {
 177                 .name           = "ts409:red:sata4",
 178         },
 179 };
 180
 181 static struct gpiod_lookup_table ts409_leds_gpio_table = {
 182         .dev_id = "leds-gpio",
 183         .table = {
 184                 GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
 185                                 0, GPIO_ACTIVE_LOW),
 186                 GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
 187                                 1, GPIO_ACTIVE_LOW),
 188                 GPIO_LOOKUP_IDX("orion_gpio0", 6, NULL,
 189                                 2, GPIO_ACTIVE_LOW),
 190                 GPIO_LOOKUP_IDX("orion_gpio0", 7, NULL,
 191                                 3, GPIO_ACTIVE_LOW),
 192                 { },
 193         },
 194 };
 195
 196 static struct gpio_led_platform_data ts409_led_data = {
 197         .leds           = ts409_led_pins,
 198         .num_leds       = ARRAY_SIZE(ts409_led_pins),
 199 };
 200
 201 static struct platform_device ts409_leds = {
 202         .name   = "leds-gpio",
 203         .id     = -1,
 204         .dev    = {
 205                 .platform_data  = &ts409_led_data,
 206         },
 207 };
 208
 209 /****************************************************************************
 210  * GPIO Attached Keys
 211  *     Power button is attached to the PIC microcontroller
 212  ****************************************************************************/
 213
 214 #define QNAP_TS409_GPIO_KEY_RESET       14
 215 #define QNAP_TS409_GPIO_KEY_MEDIA       15
 216
 217 static struct gpio_keys_button qnap_ts409_buttons[] = {
 218         {
 219                 .code           = KEY_RESTART,
 220                 .gpio           = QNAP_TS409_GPIO_KEY_RESET,
 221                 .desc           = "Reset Button",
 222                 .active_low     = 1,
 223         }, {
 224                 .code           = KEY_COPY,
 225                 .gpio           = QNAP_TS409_GPIO_KEY_MEDIA,
 226                 .desc           = "USB Copy Button",
 227                 .active_low     = 1,
 228         },
 229 };
 230
 231 static struct gpio_keys_platform_data qnap_ts409_button_data = {
 232         .buttons        = qnap_ts409_buttons,
 233         .nbuttons       = ARRAY_SIZE(qnap_ts409_buttons),
 234 };
 235
 236 static struct platform_device qnap_ts409_button_device = {
 237         .name           = "gpio-keys",
 238         .id             = -1,
 239         .num_resources  = 0,
 240         .dev            = {
 241                 .platform_data  = &qnap_ts409_button_data,
 242         },
 243 };
 244
 245 /*****************************************************************************
 246  * General Setup
 247  ****************************************************************************/
 248 static unsigned int ts409_mpp_modes[] __initdata = {
 249         MPP0_UNUSED,
 250         MPP1_UNUSED,
 251         MPP2_UNUSED,
 252         MPP3_UNUSED,
 253         MPP4_GPIO,              /* HDD 1 status */
 254         MPP5_GPIO,              /* HDD 2 status */
 255         MPP6_GPIO,              /* HDD 3 status */
 256         MPP7_GPIO,              /* HDD 4 status */
 257         MPP8_UNUSED,
 258         MPP9_UNUSED,
 259         MPP10_GPIO,             /* RTC int */
 260         MPP11_UNUSED,
 261         MPP12_UNUSED,
 262         MPP13_UNUSED,
 263         MPP14_GPIO,             /* SW_RST */
 264         MPP15_GPIO,             /* USB copy button */
 265         MPP16_UART,             /* UART1 RXD */
 266         MPP17_UART,             /* UART1 TXD */
 267         MPP18_UNUSED,
 268         MPP19_UNUSED,
 269         0,
 270 };
 271
 272 static void __init qnap_ts409_init(void)
 273 {
 274         /*
 275          * Setup basic Orion functions. Need to be called early.
 276          */
 277         orion5x_init();
 278
 279         orion5x_mpp_conf(ts409_mpp_modes);
 280
 281         /*
 282          * Configure peripherals.
 283          */
 284         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 285                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 286                                     QNAP_TS409_NOR_BOOT_BASE,
 287                                     QNAP_TS409_NOR_BOOT_SIZE);
 288         platform_device_register(&qnap_ts409_nor_flash);
 289
 290         orion5x_ehci0_init();
 291         qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
 292                                  qnap_ts409_partitions[5].offset,
 293                                  qnap_ts409_partitions[5].size);
 294         orion5x_eth_init(&qnap_tsx09_eth_data);
 295         orion5x_i2c_init();
 296         orion5x_uart0_init();
 297         orion5x_uart1_init();
 298
 299         platform_device_register(&qnap_ts409_button_device);
 300
 301         /* Get RTC IRQ and register the chip */
 302         if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
 303                 if (gpio_direction_input(TS409_RTC_GPIO) == 0)
 304                         qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
 305                 else
 306                         gpio_free(TS409_RTC_GPIO);
 307         }
 308         if (qnap_ts409_i2c_rtc.irq == 0)
 309                 pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
 310         i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
 311         gpiod_add_lookup_table(&ts409_leds_gpio_table);
 312         platform_device_register(&ts409_leds);
 313
 314         /* register tsx09 specific power-off method */
 315         register_platform_power_off(qnap_tsx09_power_off);
 316 }
 317
 318 MACHINE_START(TS409, "QNAP TS-409")
 319         /* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
 320         .atag_offset    = 0x100,
 321         .nr_irqs        = ORION5X_NR_IRQS,
 322         .init_machine   = qnap_ts409_init,
 323         .map_io         = orion5x_map_io,
 324         .init_early     = orion5x_init_early,
 325         .init_irq       = orion5x_init_irq,
 326         .init_time      = orion5x_timer_init,
 327         .fixup          = tag_fixup_mem32,
 328         .restart        = orion5x_restart,
 329 MACHINE_END