OpenWrt – Rev 1
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/*
* MikroTik RouterBOARD 2011 support
*
* Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
* Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
*
* 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) "rb2011: " fmt
#include <linux/version.h>
#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>
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
#include <linux/mtd/nand.h>
#else
#include <linux/mtd/rawnand.h>
#endif
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/routerboot.h>
#include <linux/gpio.h>
#include <linux/version.h>
#include <asm/prom.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"
#define RB2011_GPIO_NAND_NCE 14
#define RB2011_GPIO_SFP_LOS 21
#define RB_ROUTERBOOT_OFFSET 0x0000
#define RB_ROUTERBOOT_MIN_SIZE 0xb000
#define RB_HARD_CFG_SIZE 0x1000
#define RB_BIOS_OFFSET 0xd000
#define RB_BIOS_SIZE 0x1000
#define RB_SOFT_CFG_OFFSET 0xf000
#define RB_SOFT_CFG_SIZE 0x1000
#define RB_ART_SIZE 0x10000
#define RB2011_FLAG_SFP BIT(0)
#define RB2011_FLAG_USB BIT(1)
#define RB2011_FLAG_WLAN BIT(2)
static struct mtd_partition rb2011_spi_partitions[] = {
{
.name = "routerboot",
.offset = RB_ROUTERBOOT_OFFSET,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "hard_config",
.size = RB_HARD_CFG_SIZE,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "bios",
.offset = RB_BIOS_OFFSET,
.size = RB_BIOS_SIZE,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "soft_config",
.size = RB_SOFT_CFG_SIZE,
}
};
static void __init rb2011_init_partitions(const struct rb_info *info)
{
rb2011_spi_partitions[0].size = info->hard_cfg_offs;
rb2011_spi_partitions[1].offset = info->hard_cfg_offs;
rb2011_spi_partitions[3].offset = info->soft_cfg_offs;
}
static struct mtd_partition rb2011_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 = "ubi",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
static struct flash_platform_data rb2011_spi_flash_data = {
.parts = rb2011_spi_partitions,
.nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
};
static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
.mode = AR8327_PAD_MAC_RGMII,
.txclk_delay_en = true,
.rxclk_delay_en = true,
.txclk_delay_sel = AR8327_CLK_DELAY_SEL3,
.rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
};
static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg;
static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg;
static struct ar8327_led_cfg rb2011_ar8327_led_cfg = {
.led_ctrl0 = 0xc731c731,
.led_ctrl1 = 0x00000000,
.led_ctrl2 = 0x00000000,
.led_ctrl3 = 0x0030c300,
.open_drain = false,
};
static const struct ar8327_led_info rb2011_ar8327_leds[] = {
AR8327_LED_INFO(PHY0_0, HW, "rb:green:eth1"),
AR8327_LED_INFO(PHY1_0, HW, "rb:green:eth2"),
AR8327_LED_INFO(PHY2_0, HW, "rb:green:eth3"),
AR8327_LED_INFO(PHY3_0, HW, "rb:green:eth4"),
AR8327_LED_INFO(PHY4_0, HW, "rb:green:eth5"),
AR8327_LED_INFO(PHY0_1, SW, "rb:green:eth6"),
AR8327_LED_INFO(PHY1_1, SW, "rb:green:eth7"),
AR8327_LED_INFO(PHY2_1, SW, "rb:green:eth8"),
AR8327_LED_INFO(PHY3_1, SW, "rb:green:eth9"),
AR8327_LED_INFO(PHY4_1, SW, "rb:green:eth10"),
AR8327_LED_INFO(PHY4_2, SW, "rb:green:usr"),
};
static struct ar8327_platform_data rb2011_ar8327_data = {
.pad0_cfg = &rb2011_ar8327_pad0_cfg,
.port0_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_1000,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
},
.led_cfg = &rb2011_ar8327_led_cfg,
.num_leds = ARRAY_SIZE(rb2011_ar8327_leds),
.leds = rb2011_ar8327_leds,
};
static struct mdio_board_info rb2011_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.mdio_addr = 0,
.platform_data = &rb2011_ar8327_data,
},
};
static void __init rb2011_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 rb2011_nand_select_chip(int chip_no)
{
switch (chip_no) {
case 0:
gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
break;
default:
gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
break;
}
ndelay(500);
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
static struct nand_ecclayout rb2011_nand_ecclayout = {
.eccbytes = 6,
.eccpos = { 8, 9, 10, 13, 14, 15 },
.oobavail = 9,
.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
};
#else
static int rb2011_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
switch (section) {
case 0:
oobregion->offset = 8;
oobregion->length = 3;
return 0;
case 1:
oobregion->offset = 13;
oobregion->length = 3;
return 0;
default:
return -ERANGE;
}
}
static int rb2011_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
switch (section) {
case 0:
oobregion->offset = 0;
oobregion->length = 4;
return 0;
case 1:
oobregion->offset = 4;
oobregion->length = 1;
return 0;
case 2:
oobregion->offset = 6;
oobregion->length = 2;
return 0;
case 3:
oobregion->offset = 11;
oobregion->length = 2;
return 0;
default:
return -ERANGE;
}
}
static const struct mtd_ooblayout_ops rb2011_nand_ecclayout_ops = {
.ecc = rb2011_ooblayout_ecc,
.free = rb2011_ooblayout_free,
};
#endif /* < 4.6 */
static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
struct nand_chip *chip = mtd->priv;
#endif
if (mtd->writesize == 512) {
/*
* Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
* will not be able to find the kernel that we load.
*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
chip->ecc.layout = &rb2011_nand_ecclayout;
#else
mtd_set_ooblayout(mtd, &rb2011_nand_ecclayout_ops);
#endif
}
return 0;
}
static void __init rb2011_nand_init(void)
{
gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
ath79_nfc_set_parts(rb2011_nand_partitions,
ARRAY_SIZE(rb2011_nand_partitions));
ath79_nfc_set_select_chip(rb2011_nand_select_chip);
ath79_nfc_set_swap_dma(true);
ath79_register_nfc();
}
static int rb2011_get_port_link(unsigned port)
{
if (port != 6)
return -EINVAL;
/* The Loss of signal line is active low */
return !gpio_get_value(RB2011_GPIO_SFP_LOS);
}
static void __init rb2011_sfp_init(void)
{
gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS");
rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg;
rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0;
rb2011_ar8327_sgmii_cfg.serdes_aen = true;
rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg;
rb2011_ar8327_data.port6_cfg.force_link = 1;
rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000;
rb2011_ar8327_data.port6_cfg.duplex = 1;
rb2011_ar8327_data.get_port_link = rb2011_get_port_link;
}
static int __init rb2011_setup(u32 flags)
{
const struct rb_info *info;
char buf[64];
info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
if (!info)
return -ENODEV;
scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
(info->board_name) ? info->board_name : "");
mips_set_machine_name(buf);
rb2011_init_partitions(info);
ath79_register_m25p80(&rb2011_spi_flash_data);
rb2011_nand_init();
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
AR934X_ETH_CFG_RXD_DELAY |
AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(1, 0x0);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(rb2011_mdio0_info,
ARRAY_SIZE(rb2011_mdio0_info));
/* GMAC0 is connected to an ar8327 switch */
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_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
ath79_eth0_pll_data.pll_1000 = 0x6f000000;
ath79_register_eth(0);
/* GMAC1 is connected to the internal switch */
ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
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);
if (flags & RB2011_FLAG_SFP)
rb2011_sfp_init();
if (flags & RB2011_FLAG_WLAN)
rb2011_wlan_init();
if (flags & RB2011_FLAG_USB)
ath79_register_usb();
return 0;
}
static void __init rb2011l_setup(void)
{
rb2011_setup(0);
}
MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011L, "2011L", rb2011l_setup);
static void __init rb2011us_setup(void)
{
rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB);
}
MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011US, "2011US", rb2011us_setup);
static void __init rb2011r5_setup(void)
{
rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB | RB2011_FLAG_WLAN);
}
MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011R5, "2011r5", rb2011r5_setup);
static void __init rb2011g_setup(void)
{
rb2011_setup(RB2011_FLAG_SFP |
RB2011_FLAG_USB |
RB2011_FLAG_WLAN);
}
MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011G, "2011G", rb2011g_setup);