arch/arm/mach-orion5x/ts209-setup.c

   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  ***************************************************************************/
  45 static 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
  75 static 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
  81 static 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
  87 static 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
 105 static 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
 141 static 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
 166 static 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
 174 static 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
 182 subsys_initcall(qnap_ts209_pci_init);
 183
 184 /*****************************************************************************
 185  * RTC S35390A on I2C bus
 186  ****************************************************************************/
 187
 188 #define TS209_RTC_GPIO  3
 189
 190 static 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
 203 static 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
 217 static struct gpio_keys_platform_data qnap_ts209_button_data = {
 218         .buttons        = qnap_ts209_buttons,
 219         .nbuttons       = ARRAY_SIZE(qnap_ts209_buttons),
 220 };
 221
 222 static 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  ****************************************************************************/
 234 static struct mv_sata_platform_data qnap_ts209_sata_data = {
 235         .n_ports        = 2,
 236 };
 237
 238 /*****************************************************************************
 239
 240  * General Setup
 241  ****************************************************************************/
 242 static 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
 266 static 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
 320 MACHINE_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,
 331 MACHINE_END