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/*
 * PowerCloud Systems CR3000 support
 *
 * Copyright (c) 2011 Qualcomm Atheros
 * Copyright (c) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
 * Copyright (c) 2012-2013 PowerCloud Systems
 * Copyright (c) 2015 Daniel Dickinson <openwrt@daniel.thecshore.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include <linux/gpio.h>
#include <linux/pci.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>

#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.h>

#include "common.h"
#include "dev-ap9x-pci.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define CR3000_GPIO_LED_WLAN_2G         13
#define CR3000_GPIO_LED_POWER_AMBER     15
#define CR3000_GPIO_LED_WAN             18
#define CR3000_GPIO_LED_LAN1            19
#define CR3000_GPIO_LED_LAN2            20
#define CR3000_GPIO_LED_LAN3            21
#define CR3000_GPIO_LED_LAN4            22

#define CR3000_GPIO_BTN_WPS             16
#define CR3000_GPIO_BTN_RESET           17

#define CR3000_KEYS_POLL_INTERVAL       20      /* msecs */
#define CR3000_KEYS_DEBOUNCE_INTERVAL   (3 * CR3000_KEYS_POLL_INTERVAL)

#define CR3000_MAC0_OFFSET              0
#define CR3000_MAC1_OFFSET              6
#define CR3000_WMAC_CALDATA_OFFSET      0x1000
#define CR3000_WMAC_MAC_OFFSET          0x1002
#define CR3000_PCIE_CALDATA_OFFSET      0x5000

static struct gpio_led cr3000_leds_gpio[] __initdata = {
        {
                .name           = "pcs:amber:power",
                .gpio           = CR3000_GPIO_LED_POWER_AMBER,
                .active_low     = 1,
        },
        {
                .name           = "pcs:blue:wlan",
                .gpio           = CR3000_GPIO_LED_WLAN_2G,
                .active_low     = 1,
        },
        {
                .name           = "pcs:blue:wan",
                .gpio           = CR3000_GPIO_LED_WAN,
                .active_low     = 1,
        },
        {
                .name           = "pcs:blue:lan1",
                .gpio           = CR3000_GPIO_LED_LAN1,
                .active_low     = 1,
        },
        {
                .name           = "pcs:blue:lan2",
                .gpio           = CR3000_GPIO_LED_LAN2,
                .active_low     = 1,
        },
        {
                .name           = "pcs:blue:lan3",
                .gpio           = CR3000_GPIO_LED_LAN3,
                .active_low     = 1,
        },
        {
                .name           = "pcs:blue:lan4",
                .gpio           = CR3000_GPIO_LED_LAN4,
                .active_low     = 1,
        },
};

static struct gpio_keys_button cr3000_gpio_keys[] __initdata = {
        {
                .desc           = "WPS button",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = CR3000_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = CR3000_GPIO_BTN_WPS,
                .active_low     = 1,
        },
        {
                .desc           = "Reset button",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = CR3000_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = CR3000_GPIO_BTN_RESET,
                .active_low     = 1,
        },
};

static void __init cr3000_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(NULL);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(cr3000_leds_gpio),
                                 cr3000_leds_gpio);

        ath79_register_gpio_keys_polled(-1, CR3000_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(cr3000_gpio_keys),
                                        cr3000_gpio_keys);

        /* WLAN 2GHz onboard */
        ath79_register_wmac(art + CR3000_WMAC_CALDATA_OFFSET, art + CR3000_WMAC_MAC_OFFSET);
        
        ath79_register_mdio(1, 0x0);
        ath79_register_mdio(0, 0x0);

        ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);

        /* Lan 4-port switch attached to GMAC1 internal switch */
        ath79_init_mac(ath79_eth1_data.mac_addr, art + CR3000_MAC0_OFFSET, 0);

        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_eth1_data.speed = SPEED_1000;
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_register_eth(1);

        ath79_init_mac(ath79_eth0_data.mac_addr, art + CR3000_MAC1_OFFSET, 0);

        /* WAN Fast Ethernet interface attached to GMAC0 */
        ath79_switch_data.phy4_mii_en = 1;
        ath79_switch_data.phy_poll_mask = BIT(0);
        ath79_eth0_data.phy_mask = BIT(0);
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
        ath79_register_eth(0);
}

MIPS_MACHINE(ATH79_MACH_CR3000, "CR3000", "PowerCloud CR3000",
             cr3000_setup);