target/linux/ar71xx/files/arch/mips/ath79/mach-mr1750.c

   1 /*
   2  * MR1750 board support
   3  *
   4  * Copyright (c) 2012 Qualcomm Atheros
   5  * Copyright (c) 2012-2013 Marek Lindner <marek@open-mesh.com>
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  *
  19  */
  20
  21 #include <linux/platform_device.h>
  22 #include <linux/ar8216_platform.h>
  23
  24 #include <asm/mach-ath79/ar71xx_regs.h>
  25 #include <linux/platform_data/phy-at803x.h>
  26
  27 #include "common.h"
  28 #include "dev-ap9x-pci.h"
  29 #include "dev-gpio-buttons.h"
  30 #include "dev-eth.h"
  31 #include "dev-leds-gpio.h"
  32 #include "dev-m25p80.h"
  33 #include "dev-wmac.h"
  34 #include "machtypes.h"
  35 #include "pci.h"
  36
  37 #define MR1750_GPIO_LED_LAN             12
  38 #define MR1750_GPIO_LED_WLAN_2G         13
  39 #define MR1750_GPIO_LED_STATUS_GREEN    19
  40 #define MR1750_GPIO_LED_STATUS_RED      21
  41 #define MR1750_GPIO_LED_POWER           22
  42 #define MR1750_GPIO_LED_WLAN_5G         23
  43
  44 #define MR1750_GPIO_BTN_RESET           17
  45
  46 #define MR1750_KEYS_POLL_INTERVAL       20      /* msecs */
  47 #define MR1750_KEYS_DEBOUNCE_INTERVAL   (3 * MR1750_KEYS_POLL_INTERVAL)
  48
  49 #define MR1750_MAC0_OFFSET              0
  50 #define MR1750_WMAC_CALDATA_OFFSET      0x1000
  51
  52 static struct gpio_led mr1750_leds_gpio[] __initdata = {
  53         {
  54                 .name           = "mr1750:blue:power",
  55                 .gpio           = MR1750_GPIO_LED_POWER,
  56                 .active_low     = 1,
  57         },
  58         {
  59                 .name           = "mr1750:blue:wan",
  60                 .gpio           = MR1750_GPIO_LED_LAN,
  61                 .active_low     = 1,
  62         },
  63         {
  64                 .name           = "mr1750:blue:wlan24",
  65                 .gpio           = MR1750_GPIO_LED_WLAN_2G,
  66                 .active_low     = 1,
  67         },
  68         {
  69                 .name           = "mr1750:blue:wlan58",
  70                 .gpio           = MR1750_GPIO_LED_WLAN_5G,
  71                 .active_low     = 1,
  72         },
  73         {
  74                 .name           = "mr1750:green:status",
  75                 .gpio           = MR1750_GPIO_LED_STATUS_GREEN,
  76                 .active_low     = 1,
  77         },
  78         {
  79                 .name           = "mr1750:red:status",
  80                 .gpio           = MR1750_GPIO_LED_STATUS_RED,
  81                 .active_low     = 1,
  82         },
  83 };
  84
  85 static struct gpio_keys_button mr1750_gpio_keys[] __initdata = {
  86         {
  87                 .desc           = "Reset button",
  88                 .type           = EV_KEY,
  89                 .code           = KEY_RESTART,
  90                 .debounce_interval = MR1750_KEYS_DEBOUNCE_INTERVAL,
  91                 .gpio           = MR1750_GPIO_BTN_RESET,
  92                 .active_low     = 1,
  93         },
  94 };
  95
  96 static struct at803x_platform_data mr1750_at803x_data = {
  97         .disable_smarteee = 1,
  98         .enable_rgmii_rx_delay = 1,
  99         .enable_rgmii_tx_delay = 0,
 100         .fixup_rgmii_tx_delay = 1,
 101 };
 102
 103 static struct mdio_board_info mr1750_mdio0_info[] = {
 104         {
 105                 .bus_id = "ag71xx-mdio.0",
 106                 .phy_addr = 5,
 107                 .platform_data = &mr1750_at803x_data,
 108         },
 109 };
 110
 111 static void __init mr1750_setup_qca955x_eth_cfg(u32 mask,
 112                                                 unsigned int rxd,
 113                                                 unsigned int rxdv,
 114                                                 unsigned int txd,
 115                                                 unsigned int txe)
 116 {
 117         void __iomem *base;
 118         u32 t;
 119
 120         base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
 121
 122         t = mask;
 123         t |= rxd << QCA955X_ETH_CFG_RXD_DELAY_SHIFT;
 124         t |= rxdv << QCA955X_ETH_CFG_RDV_DELAY_SHIFT;
 125         t |= txd << QCA955X_ETH_CFG_TXD_DELAY_SHIFT;
 126         t |= txe << QCA955X_ETH_CFG_TXE_DELAY_SHIFT;
 127
 128         __raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
 129
 130         iounmap(base);
 131 }
 132
 133 static void __init mr1750_setup(void)
 134 {
 135         u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
 136         u8 mac[6];
 137
 138         ath79_eth0_pll_data.pll_1000 = 0xae000000;
 139         ath79_eth0_pll_data.pll_100 = 0xa0000101;
 140         ath79_eth0_pll_data.pll_10 = 0xa0001313;
 141
 142         ath79_register_m25p80(NULL);
 143
 144         ath79_register_leds_gpio(-1, ARRAY_SIZE(mr1750_leds_gpio),
 145                                  mr1750_leds_gpio);
 146         ath79_register_gpio_keys_polled(-1, MR1750_KEYS_POLL_INTERVAL,
 147                                         ARRAY_SIZE(mr1750_gpio_keys),
 148                                         mr1750_gpio_keys);
 149
 150         ath79_init_mac(mac, art + MR1750_MAC0_OFFSET, 1);
 151         ath79_register_wmac(art + MR1750_WMAC_CALDATA_OFFSET, mac);
 152         ath79_register_pci();
 153
 154         mr1750_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 3, 3, 0, 0);
 155         ath79_register_mdio(0, 0x0);
 156
 157         mdiobus_register_board_info(mr1750_mdio0_info,
 158                                     ARRAY_SIZE(mr1750_mdio0_info));
 159
 160         ath79_init_mac(ath79_eth0_data.mac_addr, art + MR1750_MAC0_OFFSET, 0);
 161
 162         /* GMAC0 is connected to the RMGII interface */
 163         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 164         ath79_eth0_data.phy_mask = BIT(5);
 165         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 166
 167         ath79_register_eth(0);
 168 }
 169
 170 MIPS_MACHINE(ATH79_MACH_MR1750, "MR1750", "OpenMesh MR1750", mr1750_setup);