arch/arm/mach-orion5x/wrt350n-v2-setup.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // arch/arm/mach-orion5x/wrt350n-v2-setup.c
   3 #include <linux/gpio.h>
   4 #include <linux/kernel.h>
   5 #include <linux/init.h>
   6 #include <linux/platform_device.h>
   7 #include <linux/pci.h>
   8 #include <linux/irq.h>
   9 #include <linux/delay.h>
  10 #include <linux/mtd/physmap.h>
  11 #include <linux/mv643xx_eth.h>
  12 #include <linux/ethtool.h>
  13 #include <linux/leds.h>
  14 #include <linux/gpio_keys.h>
  15 #include <linux/input.h>
  16 #include <linux/platform_data/dsa.h>
  17 #include <asm/mach-types.h>
  18 #include <asm/mach/arch.h>
  19 #include <asm/mach/pci.h>
  20 #include "orion5x.h"
  21 #include "common.h"
  22 #include "mpp.h"
  23
  24 /*
  25  * LEDs attached to GPIO
  26  */
  27 static struct gpio_led wrt350n_v2_led_pins[] = {
  28         {
  29                 .name           = "wrt350nv2:green:power",
  30                 .gpio           = 0,
  31                 .active_low     = 1,
  32         }, {
  33                 .name           = "wrt350nv2:green:security",
  34                 .gpio           = 1,
  35                 .active_low     = 1,
  36         }, {
  37                 .name           = "wrt350nv2:orange:power",
  38                 .gpio           = 5,
  39                 .active_low     = 1,
  40         }, {
  41                 .name           = "wrt350nv2:green:usb",
  42                 .gpio           = 6,
  43                 .active_low     = 1,
  44         }, {
  45                 .name           = "wrt350nv2:green:wireless",
  46                 .gpio           = 7,
  47                 .active_low     = 1,
  48         },
  49 };
  50
  51 static struct gpio_led_platform_data wrt350n_v2_led_data = {
  52         .leds           = wrt350n_v2_led_pins,
  53         .num_leds       = ARRAY_SIZE(wrt350n_v2_led_pins),
  54 };
  55
  56 static struct platform_device wrt350n_v2_leds = {
  57         .name   = "leds-gpio",
  58         .id     = -1,
  59         .dev    = {
  60                 .platform_data  = &wrt350n_v2_led_data,
  61         },
  62 };
  63
  64 /*
  65  * Buttons attached to GPIO
  66  */
  67 static struct gpio_keys_button wrt350n_v2_buttons[] = {
  68         {
  69                 .code           = KEY_RESTART,
  70                 .gpio           = 3,
  71                 .desc           = "Reset Button",
  72                 .active_low     = 1,
  73         }, {
  74                 .code           = KEY_WPS_BUTTON,
  75                 .gpio           = 2,
  76                 .desc           = "WPS Button",
  77                 .active_low     = 1,
  78         },
  79 };
  80
  81 static struct gpio_keys_platform_data wrt350n_v2_button_data = {
  82         .buttons        = wrt350n_v2_buttons,
  83         .nbuttons       = ARRAY_SIZE(wrt350n_v2_buttons),
  84 };
  85
  86 static struct platform_device wrt350n_v2_button_device = {
  87         .name           = "gpio-keys",
  88         .id             = -1,
  89         .num_resources  = 0,
  90         .dev            = {
  91                 .platform_data  = &wrt350n_v2_button_data,
  92         },
  93 };
  94
  95 /*
  96  * General setup
  97  */
  98 static unsigned int wrt350n_v2_mpp_modes[] __initdata = {
  99         MPP0_GPIO,              /* Power LED green (0=on) */
 100         MPP1_GPIO,              /* Security LED (0=on) */
 101         MPP2_GPIO,              /* Internal Button (0=on) */
 102         MPP3_GPIO,              /* Reset Button (0=on) */
 103         MPP4_GPIO,              /* PCI int */
 104         MPP5_GPIO,              /* Power LED orange (0=on) */
 105         MPP6_GPIO,              /* USB LED (0=on) */
 106         MPP7_GPIO,              /* Wireless LED (0=on) */
 107         MPP8_UNUSED,            /* ??? */
 108         MPP9_GIGE,              /* GE_RXERR */
 109         MPP10_UNUSED,           /* ??? */
 110         MPP11_UNUSED,           /* ??? */
 111         MPP12_GIGE,             /* GE_TXD[4] */
 112         MPP13_GIGE,             /* GE_TXD[5] */
 113         MPP14_GIGE,             /* GE_TXD[6] */
 114         MPP15_GIGE,             /* GE_TXD[7] */
 115         MPP16_GIGE,             /* GE_RXD[4] */
 116         MPP17_GIGE,             /* GE_RXD[5] */
 117         MPP18_GIGE,             /* GE_RXD[6] */
 118         MPP19_GIGE,             /* GE_RXD[7] */
 119         0,
 120 };
 121
 122 /*
 123  * 8M NOR flash Device bus boot chip select
 124  */
 125 #define WRT350N_V2_NOR_BOOT_BASE        0xf4000000
 126 #define WRT350N_V2_NOR_BOOT_SIZE        SZ_8M
 127
 128 static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
 129         {
 130                 .name           = "kernel",
 131                 .offset         = 0x00000000,
 132                 .size           = 0x00760000,
 133         }, {
 134                 .name           = "rootfs",
 135                 .offset         = 0x001a0000,
 136                 .size           = 0x005c0000,
 137         }, {
 138                 .name           = "lang",
 139                 .offset         = 0x00760000,
 140                 .size           = 0x00040000,
 141         }, {
 142                 .name           = "nvram",
 143                 .offset         = 0x007a0000,
 144                 .size           = 0x00020000,
 145         }, {
 146                 .name           = "u-boot",
 147                 .offset         = 0x007c0000,
 148                 .size           = 0x00040000,
 149         },
 150 };
 151
 152 static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
 153         .width          = 1,
 154         .parts          = wrt350n_v2_nor_flash_partitions,
 155         .nr_parts       = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
 156 };
 157
 158 static struct resource wrt350n_v2_nor_flash_resource = {
 159         .flags          = IORESOURCE_MEM,
 160         .start          = WRT350N_V2_NOR_BOOT_BASE,
 161         .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
 162 };
 163
 164 static struct platform_device wrt350n_v2_nor_flash = {
 165         .name                   = "physmap-flash",
 166         .id                     = 0,
 167         .dev            = {
 168                 .platform_data  = &wrt350n_v2_nor_flash_data,
 169         },
 170         .num_resources          = 1,
 171         .resource               = &wrt350n_v2_nor_flash_resource,
 172 };
 173
 174 static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
 175         .phy_addr       = MV643XX_ETH_PHY_NONE,
 176         .speed          = SPEED_1000,
 177         .duplex         = DUPLEX_FULL,
 178 };
 179
 180 static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
 181         .port_names[0]  = "lan2",
 182         .port_names[1]  = "lan1",
 183         .port_names[2]  = "wan",
 184         .port_names[3]  = "cpu",
 185         .port_names[5]  = "lan3",
 186         .port_names[7]  = "lan4",
 187 };
 188
 189 static void __init wrt350n_v2_init(void)
 190 {
 191         /*
 192          * Setup basic Orion functions. Need to be called early.
 193          */
 194         orion5x_init();
 195
 196         orion5x_mpp_conf(wrt350n_v2_mpp_modes);
 197
 198         /*
 199          * Configure peripherals.
 200          */
 201         orion5x_ehci0_init();
 202         orion5x_eth_init(&wrt350n_v2_eth_data);
 203         orion5x_eth_switch_init(&wrt350n_v2_switch_chip_data);
 204         orion5x_uart0_init();
 205
 206         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 207                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 208                                     WRT350N_V2_NOR_BOOT_BASE,
 209                                     WRT350N_V2_NOR_BOOT_SIZE);
 210         platform_device_register(&wrt350n_v2_nor_flash);
 211         platform_device_register(&wrt350n_v2_leds);
 212         platform_device_register(&wrt350n_v2_button_device);
 213 }
 214
 215 static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot,
 216         u8 pin)
 217 {
 218         int irq;
 219
 220         /*
 221          * Check for devices with hard-wired IRQs.
 222          */
 223         irq = orion5x_pci_map_irq(dev, slot, pin);
 224         if (irq != -1)
 225                 return irq;
 226
 227         /*
 228          * Mini-PCI slot.
 229          */
 230         if (slot == 7)
 231                 return gpio_to_irq(4);
 232
 233         return -1;
 234 }
 235
 236 static struct hw_pci wrt350n_v2_pci __initdata = {
 237         .nr_controllers = 2,
 238         .setup          = orion5x_pci_sys_setup,
 239         .scan           = orion5x_pci_sys_scan_bus,
 240         .map_irq        = wrt350n_v2_pci_map_irq,
 241 };
 242
 243 static int __init wrt350n_v2_pci_init(void)
 244 {
 245         if (machine_is_wrt350n_v2())
 246                 pci_common_init(&wrt350n_v2_pci);
 247
 248         return 0;
 249 }
 250 subsys_initcall(wrt350n_v2_pci_init);
 251
 252 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
 253         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 254         .atag_offset    = 0x100,
 255         .nr_irqs        = ORION5X_NR_IRQS,
 256         .init_machine   = wrt350n_v2_init,
 257         .map_io         = orion5x_map_io,
 258         .init_early     = orion5x_init_early,
 259         .init_irq       = orion5x_init_irq,
 260         .init_time      = orion5x_timer_init,
 261         .fixup          = tag_fixup_mem32,
 262         .restart        = orion5x_restart,
 263 MACHINE_END