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/*
* MR900 board support
*
* Copyright (c) 2012 Qualcomm Atheros
* Copyright (c) 2012-2013 Marek Lindner <marek@open-mesh.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/platform_device.h>
#include <linux/ar8216_platform.h>
#include <linux/ath9k_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <linux/platform_data/phy-at803x.h>
#include "common.h"
#include "dev-ap9x-pci.h"
#include "dev-gpio-buttons.h"
#include "dev-eth.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "pci.h"
#define MR900_GPIO_LED_LAN 12
#define MR900_GPIO_LED_WLAN_2G 13
#define MR900_GPIO_LED_STATUS_GREEN 19
#define MR900_GPIO_LED_STATUS_RED 21
#define MR900_GPIO_LED_POWER 22
#define MR900_GPIO_LED_WLAN_5G 23
#define MR900_GPIO_BTN_RESET 17
#define MR900_KEYS_POLL_INTERVAL 20 /* msecs */
#define MR900_KEYS_DEBOUNCE_INTERVAL (3 * MR900_KEYS_POLL_INTERVAL)
#define MR900_MAC0_OFFSET 0
#define MR900_WMAC_CALDATA_OFFSET 0x1000
#define MR900_PCIE_CALDATA_OFFSET 0x5000
static struct gpio_led mr900_leds_gpio[] __initdata = {
{
.name = "mr900:blue:power",
.gpio = MR900_GPIO_LED_POWER,
.active_low = 1,
},
{
.name = "mr900:blue:wan",
.gpio = MR900_GPIO_LED_LAN,
.active_low = 1,
},
{
.name = "mr900:blue:wlan24",
.gpio = MR900_GPIO_LED_WLAN_2G,
.active_low = 1,
},
{
.name = "mr900:blue:wlan58",
.gpio = MR900_GPIO_LED_WLAN_5G,
.active_low = 1,
},
{
.name = "mr900:green:status",
.gpio = MR900_GPIO_LED_STATUS_GREEN,
.active_low = 1,
},
{
.name = "mr900:red:status",
.gpio = MR900_GPIO_LED_STATUS_RED,
.active_low = 1,
},
};
static struct gpio_keys_button mr900_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = MR900_KEYS_DEBOUNCE_INTERVAL,
.gpio = MR900_GPIO_BTN_RESET,
.active_low = 1,
},
};
static struct at803x_platform_data mr900_at803x_data = {
.disable_smarteee = 1,
.enable_rgmii_rx_delay = 1,
.enable_rgmii_tx_delay = 0,
.fixup_rgmii_tx_delay = 1,
};
static struct mdio_board_info mr900_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.phy_addr = 5,
.platform_data = &mr900_at803x_data,
},
};
static void __init mr900_setup_qca955x_eth_cfg(u32 mask,
unsigned int rxd,
unsigned int rxdv,
unsigned int txd,
unsigned int txe)
{
void __iomem *base;
u32 t;
base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
t = mask;
t |= rxd << QCA955X_ETH_CFG_RXD_DELAY_SHIFT;
t |= rxdv << QCA955X_ETH_CFG_RDV_DELAY_SHIFT;
t |= txd << QCA955X_ETH_CFG_TXD_DELAY_SHIFT;
t |= txe << QCA955X_ETH_CFG_TXE_DELAY_SHIFT;
__raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
iounmap(base);
}
static void __init mr900_setup(void)
{
u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
u8 mac[6], pcie_mac[6];
struct ath9k_platform_data *pdata;
ath79_eth0_pll_data.pll_1000 = 0xae000000;
ath79_eth0_pll_data.pll_100 = 0xa0000101;
ath79_eth0_pll_data.pll_10 = 0xa0001313;
ath79_register_m25p80(NULL);
ath79_register_leds_gpio(-1, ARRAY_SIZE(mr900_leds_gpio),
mr900_leds_gpio);
ath79_register_gpio_keys_polled(-1, MR900_KEYS_POLL_INTERVAL,
ARRAY_SIZE(mr900_gpio_keys),
mr900_gpio_keys);
ath79_init_mac(mac, art + MR900_MAC0_OFFSET, 1);
ath79_register_wmac(art + MR900_WMAC_CALDATA_OFFSET, mac);
ath79_init_mac(pcie_mac, art + MR900_MAC0_OFFSET, 16);
ap91_pci_init(art + MR900_PCIE_CALDATA_OFFSET, pcie_mac);
pdata = ap9x_pci_get_wmac_data(0);
if (!pdata) {
pr_err("mr900: unable to get address of wlan data\n");
return;
}
pdata->use_eeprom = true;
mr900_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 3, 3, 0, 0);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(mr900_mdio0_info,
ARRAY_SIZE(mr900_mdio0_info));
ath79_init_mac(ath79_eth0_data.mac_addr, art + MR900_MAC0_OFFSET, 0);
/* GMAC0 is connected to the RMGII interface */
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(5);
ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
ath79_register_eth(0);
}
MIPS_MACHINE(ATH79_MACH_MR900, "MR900", "OpenMesh MR900", mr900_setup);
MIPS_MACHINE(ATH79_MACH_MR900v2, "MR900v2", "OpenMesh MR900v2", mr900_setup);
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