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/*
* MikroTik RouterBOARD 95X support
*
* Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
* Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2013 Kamil Trzcinski <ayufan@ayufan.eu>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#define pr_fmt(fmt) "rb95x: " fmt
#include <linux/phy.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/routerboot.h>
#include <linux/gpio.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-m25p80.h"
#include "dev-nfc.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "routerboot.h"
#include "dev-leds-gpio.h"
#define RB95X_GPIO_NAND_NCE 14
static struct mtd_partition rb95x_nand_partitions[] = {
{
.name = "booter",
.offset = 0,
.size = (256 * 1024),
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel",
.offset = (256 * 1024),
.size = (4 * 1024 * 1024) - (256 * 1024),
},
{
.name = "rootfs",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
static struct gpio_led rb951ui_leds_gpio[] __initdata = {
{
.name = "rb:green:wlan",
.gpio = 11,
.active_low = 1,
}, {
.name = "rb:green:act",
.gpio = 3,
.active_low = 1,
}, {
.name = "rb:green:port1",
.gpio = 13,
.active_low = 1,
}, {
.name = "rb:green:port2",
.gpio = 12,
.active_low = 1,
}, {
.name = "rb:green:port3",
.gpio = 4,
.active_low = 1,
}, {
.name = "rb:green:port4",
.gpio = 21,
.active_low = 1,
}, {
.name = "rb:green:port5",
.gpio = 16,
.active_low = 1,
}
};
static struct ar8327_pad_cfg rb95x_ar8327_pad0_cfg = {
.mode = AR8327_PAD_MAC_RGMII,
.txclk_delay_en = true,
.rxclk_delay_en = true,
.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};
static struct ar8327_platform_data rb95x_ar8327_data = {
.pad0_cfg = &rb95x_ar8327_pad0_cfg,
.port0_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_1000,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
}
};
static struct mdio_board_info rb95x_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.phy_addr = 0,
.platform_data = &rb95x_ar8327_data,
},
};
void __init rb95x_wlan_init(void)
{
char *art_buf;
u8 wlan_mac[ETH_ALEN];
art_buf = rb_get_wlan_data();
if (art_buf == NULL)
return;
ath79_init_mac(wlan_mac, ath79_mac_base, 11);
ath79_register_wmac(art_buf + 0x1000, wlan_mac);
kfree(art_buf);
}
static void rb95x_nand_select_chip(int chip_no)
{
switch (chip_no) {
case 0:
gpio_set_value(RB95X_GPIO_NAND_NCE, 0);
break;
default:
gpio_set_value(RB95X_GPIO_NAND_NCE, 1);
break;
}
ndelay(500);
}
static struct nand_ecclayout rb95x_nand_ecclayout = {
.eccbytes = 6,
.eccpos = { 8, 9, 10, 13, 14, 15 },
.oobavail = 9,
.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
};
static int rb95x_nand_scan_fixup(struct mtd_info *mtd)
{
struct nand_chip *chip = mtd->priv;
if (mtd->writesize == 512) {
/*
* Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
* will not be able to find the kernel that we load.
*/
chip->ecc.layout = &rb95x_nand_ecclayout;
}
return 0;
}
void __init rb95x_nand_init(void)
{
gpio_request_one(RB95X_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
ath79_nfc_set_scan_fixup(rb95x_nand_scan_fixup);
ath79_nfc_set_parts(rb95x_nand_partitions,
ARRAY_SIZE(rb95x_nand_partitions));
ath79_nfc_set_select_chip(rb95x_nand_select_chip);
ath79_nfc_set_swap_dma(true);
ath79_register_nfc();
}
static int __init rb95x_setup(void)
{
const struct rb_info *info;
info = rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE)), 0x10000);
if (!info)
return -EINVAL;
rb95x_nand_init();
return 0;
}
static void __init rb951g_setup(void)
{
if (rb95x_setup())
return;
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(rb95x_mdio0_info,
ARRAY_SIZE(rb95x_mdio0_info));
ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(0);
ath79_register_eth(0);
rb95x_wlan_init();
ath79_register_usb();
}
MIPS_MACHINE(ATH79_MACH_RB_951G, "951G", "MikroTik RouterBOARD 951G-2HnD",
rb951g_setup);
static void __init rb951ui_setup(void)
{
if (rb95x_setup())
return;
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(1, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1);
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask = BIT(4);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.phy_mask = BIT(4);
ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
ath79_register_eth(0);
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_register_eth(1);
gpio_request_one(20, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"USB power");
gpio_request_one(2, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"POE power");
rb95x_wlan_init();
ath79_register_usb();
ath79_register_leds_gpio(-1, ARRAY_SIZE(rb951ui_leds_gpio),
rb951ui_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_RB_951U, "951HnD", "MikroTik RouterBOARD 951Ui-2HnD",
rb951ui_setup);
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