arch/arm/mach-mv78xx0/buffalo-wxl-setup.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
   4  *
   5  * Buffalo WXL (Terastation Duo) Setup routines
   6  *
   7  * sebastien requiem <sebastien@requiem.fr>
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/ata_platform.h>
  14 #include <linux/mv643xx_eth.h>
  15 #include <linux/ethtool.h>
  16 #include <linux/i2c.h>
  17 #include <linux/gpio.h>
  18 #include <linux/gpio_keys.h>
  19 #include <linux/input.h>
  20 #include <asm/mach-types.h>
  21 #include <asm/mach/arch.h>
  22 #include "mv78xx0.h"
  23 #include "common.h"
  24 #include "mpp.h"
  25
  26
  27 #define TSWXL_AUTO_SWITCH       15
  28 #define TSWXL_USB_POWER1        30
  29 #define TSWXL_USB_POWER2        31
  30
  31
  32 /* This arch has 2 Giga Ethernet */
  33
  34 static struct mv643xx_eth_platform_data db78x00_ge00_data = {
  35         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  36 };
  37
  38 static struct mv643xx_eth_platform_data db78x00_ge01_data = {
  39         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  40 };
  41
  42
  43 /* 2 SATA controller supporting HotPlug */
  44
  45 static struct mv_sata_platform_data db78x00_sata_data = {
  46         .n_ports        = 2,
  47 };
  48
  49 static struct i2c_board_info __initdata db78x00_i2c_rtc = {
  50         I2C_BOARD_INFO("rs5c372a", 0x32),
  51 };
  52
  53
  54 static unsigned int wxl_mpp_config[] __initdata = {
  55         MPP0_GE1_TXCLK,
  56         MPP1_GE1_TXCTL,
  57         MPP2_GE1_RXCTL,
  58         MPP3_GE1_RXCLK,
  59         MPP4_GE1_TXD0,
  60         MPP5_GE1_TXD1,
  61         MPP6_GE1_TXD2,
  62         MPP7_GE1_TXD3,
  63         MPP8_GE1_RXD0,
  64         MPP9_GE1_RXD1,
  65         MPP10_GE1_RXD2,
  66         MPP11_GE1_RXD3,
  67         MPP12_GPIO,
  68         MPP13_GPIO,
  69         MPP14_GPIO,
  70         MPP15_GPIO,
  71         MPP16_GPIO,
  72         MPP17_GPIO,
  73         MPP18_GPIO,
  74         MPP19_GPIO,
  75         MPP20_GPIO,
  76         MPP21_GPIO,
  77         MPP22_GPIO,
  78         MPP23_GPIO,
  79         MPP24_UA2_TXD,
  80         MPP25_UA2_RXD,
  81         MPP26_UA2_CTSn,
  82         MPP27_UA2_RTSn,
  83         MPP28_GPIO,
  84         MPP29_GPIO,
  85         MPP30_GPIO,
  86         MPP31_GPIO,
  87         MPP32_GPIO,
  88         MPP33_GPIO,
  89         MPP34_GPIO,
  90         MPP35_GPIO,
  91         MPP36_GPIO,
  92         MPP37_GPIO,
  93         MPP38_GPIO,
  94         MPP39_GPIO,
  95         MPP40_GPIO,
  96         MPP41_GPIO,
  97         MPP42_GPIO,
  98         MPP43_GPIO,
  99         MPP44_GPIO,
 100         MPP45_GPIO,
 101         MPP46_GPIO,
 102         MPP47_GPIO,
 103         MPP48_GPIO,
 104         MPP49_GPIO,
 105         0
 106 };
 107
 108 static struct gpio_keys_button tswxl_buttons[] = {
 109         {
 110                 .code      = KEY_OPTION,
 111                 .gpio      = TSWXL_AUTO_SWITCH,
 112                 .desc      = "Power-auto Switch",
 113                 .active_low     = 1,
 114         }
 115 };
 116
 117 static struct gpio_keys_platform_data tswxl_button_data = {
 118         .buttons        = tswxl_buttons,
 119         .nbuttons       = ARRAY_SIZE(tswxl_buttons),
 120 };
 121
 122 static struct platform_device tswxl_button_device = {
 123         .name      = "gpio-keys",
 124         .id          = -1,
 125         .num_resources  = 0,
 126         .dev        = {
 127                 .platform_data  = &tswxl_button_data,
 128         },
 129 };
 130
 131 static void __init wxl_init(void)
 132 {
 133         /*
 134          * Basic MV78xx0 setup. Needs to be called early.
 135          */
 136         mv78xx0_init();
 137         mv78xx0_mpp_conf(wxl_mpp_config);
 138
 139         /*
 140          * Partition on-chip peripherals between the two CPU cores.
 141          */
 142         mv78xx0_ehci0_init();
 143         mv78xx0_ehci1_init();
 144         mv78xx0_ge00_init(&db78x00_ge00_data);
 145         mv78xx0_ge01_init(&db78x00_ge01_data);
 146         mv78xx0_sata_init(&db78x00_sata_data);
 147         mv78xx0_uart0_init();
 148         mv78xx0_uart1_init();
 149         mv78xx0_uart2_init();
 150         mv78xx0_uart3_init();
 151         mv78xx0_xor_init();
 152         mv78xx0_crypto_init();
 153         mv78xx0_i2c_init();
 154         i2c_register_board_info(0, &db78x00_i2c_rtc, 1);
 155
 156         //enable both usb ports
 157         gpio_direction_output(TSWXL_USB_POWER1, 1);
 158         gpio_direction_output(TSWXL_USB_POWER2, 1);
 159
 160         //enable rear switch
 161         platform_device_register(&tswxl_button_device);
 162 }
 163
 164 static int __init wxl_pci_init(void)
 165 {
 166         if (machine_is_terastation_wxl() && mv78xx0_core_index() == 0)
 167                 mv78xx0_pcie_init(1, 1);
 168
 169         return 0;
 170 }
 171 subsys_initcall(wxl_pci_init);
 172
 173 MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
 174         /* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
 175         .atag_offset    = 0x100,
 176         .nr_irqs        = MV78XX0_NR_IRQS,
 177         .init_machine   = wxl_init,
 178         .map_io         = mv78xx0_map_io,
 179         .init_early     = mv78xx0_init_early,
 180         .init_irq       = mv78xx0_init_irq,
 181         .init_time      = mv78xx0_timer_init,
 182         .restart        = mv78xx0_restart,
 183 MACHINE_END