linux/arch/arm/mach-orion5x/ts209-setup.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * QNAP TS-109/TS-209 Board Setup
   4 *
   5 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
   6 */
   7#include <linux/gpio.h>
   8#include <linux/kernel.h>
   9#include <linux/init.h>
  10#include <linux/platform_device.h>
  11#include <linux/pci.h>
  12#include <linux/irq.h>
  13#include <linux/mtd/physmap.h>
  14#include <linux/mtd/rawnand.h>
  15#include <linux/mv643xx_eth.h>
  16#include <linux/gpio_keys.h>
  17#include <linux/input.h>
  18#include <linux/i2c.h>
  19#include <linux/serial_reg.h>
  20#include <linux/ata_platform.h>
  21#include <asm/mach-types.h>
  22#include <asm/mach/arch.h>
  23#include <asm/mach/pci.h>
  24#include "common.h"
  25#include "mpp.h"
  26#include "orion5x.h"
  27#include "tsx09-common.h"
  28
  29#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
  30#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
  31
  32/****************************************************************************
  33 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
  34 *     partitions on the device because we want to keep compatibility with
  35 *     existing QNAP firmware.
  36 *
  37 * Layout as used by QNAP:
  38 *  [2] 0x00000000-0x00200000 : "Kernel"
  39 *  [3] 0x00200000-0x00600000 : "RootFS1"
  40 *  [4] 0x00600000-0x00700000 : "RootFS2"
  41 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
  42 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
  43 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
  44 ***************************************************************************/
  45static struct mtd_partition qnap_ts209_partitions[] = {
  46        {
  47                .name           = "U-Boot",
  48                .size           = 0x00080000,
  49                .offset         = 0x00780000,
  50                .mask_flags     = MTD_WRITEABLE,
  51        }, {
  52                .name           = "Kernel",
  53                .size           = 0x00200000,
  54                .offset         = 0,
  55        }, {
  56                .name           = "RootFS1",
  57                .size           = 0x00400000,
  58                .offset         = 0x00200000,
  59        }, {
  60                .name           = "RootFS2",
  61                .size           = 0x00100000,
  62                .offset         = 0x00600000,
  63        }, {
  64                .name           = "U-Boot Config",
  65                .size           = 0x00020000,
  66                .offset         = 0x00760000,
  67        }, {
  68                .name           = "NAS Config",
  69                .size           = 0x00060000,
  70                .offset         = 0x00700000,
  71                .mask_flags     = MTD_WRITEABLE,
  72        },
  73};
  74
  75static struct physmap_flash_data qnap_ts209_nor_flash_data = {
  76        .width          = 1,
  77        .parts          = qnap_ts209_partitions,
  78        .nr_parts       = ARRAY_SIZE(qnap_ts209_partitions)
  79};
  80
  81static struct resource qnap_ts209_nor_flash_resource = {
  82        .flags  = IORESOURCE_MEM,
  83        .start  = QNAP_TS209_NOR_BOOT_BASE,
  84        .end    = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
  85};
  86
  87static struct platform_device qnap_ts209_nor_flash = {
  88        .name           = "physmap-flash",
  89        .id             = 0,
  90        .dev            = {
  91                .platform_data  = &qnap_ts209_nor_flash_data,
  92        },
  93        .resource       = &qnap_ts209_nor_flash_resource,
  94        .num_resources  = 1,
  95};
  96
  97/*****************************************************************************
  98 * PCI
  99 ****************************************************************************/
 100
 101#define QNAP_TS209_PCI_SLOT0_OFFS       7
 102#define QNAP_TS209_PCI_SLOT0_IRQ_PIN    6
 103#define QNAP_TS209_PCI_SLOT1_IRQ_PIN    7
 104
 105static void __init qnap_ts209_pci_preinit(void)
 106{
 107        int pin;
 108
 109        /*
 110         * Configure PCI GPIO IRQ pins
 111         */
 112        pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
 113        if (gpio_request(pin, "PCI Int1") == 0) {
 114                if (gpio_direction_input(pin) == 0) {
 115                        irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 116                } else {
 117                        printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
 118                                        "set_irq_type pin %d\n", pin);
 119                        gpio_free(pin);
 120                }
 121        } else {
 122                printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
 123                                "%d\n", pin);
 124        }
 125
 126        pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
 127        if (gpio_request(pin, "PCI Int2") == 0) {
 128                if (gpio_direction_input(pin) == 0) {
 129                        irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
 130                } else {
 131                        printk(KERN_ERR "qnap_ts209_pci_preinit failed "
 132                                        "to set_irq_type pin %d\n", pin);
 133                        gpio_free(pin);
 134                }
 135        } else {
 136                printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
 137                                "%d\n", pin);
 138        }
 139}
 140
 141static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
 142        u8 pin)
 143{
 144        int irq;
 145
 146        /*
 147         * Check for devices with hard-wired IRQs.
 148         */
 149        irq = orion5x_pci_map_irq(dev, slot, pin);
 150        if (irq != -1)
 151                return irq;
 152
 153        /*
 154         * PCI IRQs are connected via GPIOs.
 155         */
 156        switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
 157        case 0:
 158                return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
 159        case 1:
 160                return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
 161        default:
 162                return -1;
 163        }
 164}
 165
 166static struct hw_pci qnap_ts209_pci __initdata = {
 167        .nr_controllers = 2,
 168        .preinit        = qnap_ts209_pci_preinit,
 169        .setup          = orion5x_pci_sys_setup,
 170        .scan           = orion5x_pci_sys_scan_bus,
 171        .map_irq        = qnap_ts209_pci_map_irq,
 172};
 173
 174static int __init qnap_ts209_pci_init(void)
 175{
 176        if (machine_is_ts209())
 177                pci_common_init(&qnap_ts209_pci);
 178
 179        return 0;
 180}
 181
 182subsys_initcall(qnap_ts209_pci_init);
 183
 184/*****************************************************************************
 185 * RTC S35390A on I2C bus
 186 ****************************************************************************/
 187
 188#define TS209_RTC_GPIO  3
 189
 190static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
 191        I2C_BOARD_INFO("s35390a", 0x30),
 192        .irq    = 0,
 193};
 194
 195/****************************************************************************
 196 * GPIO Attached Keys
 197 *     Power button is attached to the PIC microcontroller
 198 ****************************************************************************/
 199
 200#define QNAP_TS209_GPIO_KEY_MEDIA       1
 201#define QNAP_TS209_GPIO_KEY_RESET       2
 202
 203static struct gpio_keys_button qnap_ts209_buttons[] = {
 204        {
 205                .code           = KEY_COPY,
 206                .gpio           = QNAP_TS209_GPIO_KEY_MEDIA,
 207                .desc           = "USB Copy Button",
 208                .active_low     = 1,
 209        }, {
 210                .code           = KEY_RESTART,
 211                .gpio           = QNAP_TS209_GPIO_KEY_RESET,
 212                .desc           = "Reset Button",
 213                .active_low     = 1,
 214        },
 215};
 216
 217static struct gpio_keys_platform_data qnap_ts209_button_data = {
 218        .buttons        = qnap_ts209_buttons,
 219        .nbuttons       = ARRAY_SIZE(qnap_ts209_buttons),
 220};
 221
 222static struct platform_device qnap_ts209_button_device = {
 223        .name           = "gpio-keys",
 224        .id             = -1,
 225        .num_resources  = 0,
 226        .dev            = {
 227                .platform_data  = &qnap_ts209_button_data,
 228        },
 229};
 230
 231/*****************************************************************************
 232 * SATA
 233 ****************************************************************************/
 234static struct mv_sata_platform_data qnap_ts209_sata_data = {
 235        .n_ports        = 2,
 236};
 237
 238/*****************************************************************************
 239
 240 * General Setup
 241 ****************************************************************************/
 242static unsigned int ts209_mpp_modes[] __initdata = {
 243        MPP0_UNUSED,
 244        MPP1_GPIO,              /* USB copy button */
 245        MPP2_GPIO,              /* Load defaults button */
 246        MPP3_GPIO,              /* GPIO RTC */
 247        MPP4_UNUSED,
 248        MPP5_UNUSED,
 249        MPP6_GPIO,              /* PCI Int A */
 250        MPP7_GPIO,              /* PCI Int B */
 251        MPP8_UNUSED,
 252        MPP9_UNUSED,
 253        MPP10_UNUSED,
 254        MPP11_UNUSED,
 255        MPP12_SATA_LED,         /* SATA 0 presence */
 256        MPP13_SATA_LED,         /* SATA 1 presence */
 257        MPP14_SATA_LED,         /* SATA 0 active */
 258        MPP15_SATA_LED,         /* SATA 1 active */
 259        MPP16_UART,             /* UART1 RXD */
 260        MPP17_UART,             /* UART1 TXD */
 261        MPP18_GPIO,             /* SW_RST */
 262        MPP19_UNUSED,
 263        0,
 264};
 265
 266static void __init qnap_ts209_init(void)
 267{
 268        /*
 269         * Setup basic Orion functions. Need to be called early.
 270         */
 271        orion5x_init();
 272
 273        orion5x_mpp_conf(ts209_mpp_modes);
 274
 275        /*
 276         * MPP[20] PCI clock 0
 277         * MPP[21] PCI clock 1
 278         * MPP[22] USB 0 over current
 279         * MPP[23-25] Reserved
 280         */
 281
 282        /*
 283         * Configure peripherals.
 284         */
 285        mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 286                                    ORION_MBUS_DEVBUS_BOOT_ATTR,
 287                                    QNAP_TS209_NOR_BOOT_BASE,
 288                                    QNAP_TS209_NOR_BOOT_SIZE);
 289        platform_device_register(&qnap_ts209_nor_flash);
 290
 291        orion5x_ehci0_init();
 292        orion5x_ehci1_init();
 293        qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
 294                                 qnap_ts209_partitions[5].offset,
 295                                 qnap_ts209_partitions[5].size);
 296        orion5x_eth_init(&qnap_tsx09_eth_data);
 297        orion5x_i2c_init();
 298        orion5x_sata_init(&qnap_ts209_sata_data);
 299        orion5x_uart0_init();
 300        orion5x_uart1_init();
 301        orion5x_xor_init();
 302
 303        platform_device_register(&qnap_ts209_button_device);
 304
 305        /* Get RTC IRQ and register the chip */
 306        if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
 307                if (gpio_direction_input(TS209_RTC_GPIO) == 0)
 308                        qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
 309                else
 310                        gpio_free(TS209_RTC_GPIO);
 311        }
 312        if (qnap_ts209_i2c_rtc.irq == 0)
 313                pr_warn("qnap_ts209_init: failed to get RTC IRQ\n");
 314        i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
 315
 316        /* register tsx09 specific power-off method */
 317        pm_power_off = qnap_tsx09_power_off;
 318}
 319
 320MACHINE_START(TS209, "QNAP TS-109/TS-209")
 321        /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
 322        .atag_offset    = 0x100,
 323        .nr_irqs        = ORION5X_NR_IRQS,
 324        .init_machine   = qnap_ts209_init,
 325        .map_io         = orion5x_map_io,
 326        .init_early     = orion5x_init_early,
 327        .init_irq       = orion5x_init_irq,
 328        .init_time      = orion5x_timer_init,
 329        .fixup          = tag_fixup_mem32,
 330        .restart        = orion5x_restart,
 331MACHINE_END
 332