OpenWrt – Rev 1
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/*
* MikroTik RouterBOARD 91X support
*
* Copyright (C) 2013 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) "rb91x: " 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/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/74x164.h>
#include <linux/spi/flash.h>
#include <linux/routerboot.h>
#include <linux/gpio.h>
#include <linux/platform_data/gpio-latch.h>
#include <linux/platform_data/rb91x_nand.h>
#include <linux/platform_data/phy-at803x.h>
#include <asm/prom.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ath79_spi_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-leds-gpio.h"
#include "dev-nfc.h"
#include "dev-usb.h"
#include "dev-spi.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "pci.h"
#include "routerboot.h"
#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 RB91X_FLAG_USB BIT(0)
#define RB91X_FLAG_PCIE BIT(1)
#define RB91X_LATCH_GPIO_BASE 32
#define RB91X_LATCH_GPIO(_x) (RB91X_LATCH_GPIO_BASE + (_x))
#define RB91X_SSR_GPIO_BASE (RB91X_LATCH_GPIO_BASE + AR934X_GPIO_COUNT)
#define RB91X_SSR_GPIO(_x) (RB91X_SSR_GPIO_BASE + (_x))
#define RB91X_SSR_BIT_LED1 0
#define RB91X_SSR_BIT_LED2 1
#define RB91X_SSR_BIT_LED3 2
#define RB91X_SSR_BIT_LED4 3
#define RB91X_SSR_BIT_LED5 4
#define RB91X_SSR_BIT_5 5
#define RB91X_SSR_BIT_USB_POWER 6
#define RB91X_SSR_BIT_PCIE_POWER 7
#define RB91X_GPIO_SSR_STROBE RB91X_LATCH_GPIO(0)
#define RB91X_GPIO_LED_POWER RB91X_LATCH_GPIO(1)
#define RB91X_GPIO_LED_USER RB91X_LATCH_GPIO(2)
#define RB91X_GPIO_NAND_READ RB91X_LATCH_GPIO(3)
#define RB91X_GPIO_NAND_RDY RB91X_LATCH_GPIO(4)
#define RB91X_GPIO_NLE RB91X_LATCH_GPIO(11)
#define RB91X_GPIO_NAND_NRW RB91X_LATCH_GPIO(12)
#define RB91X_GPIO_NAND_NCE RB91X_LATCH_GPIO(13)
#define RB91X_GPIO_NAND_CLE RB91X_LATCH_GPIO(14)
#define RB91X_GPIO_NAND_ALE RB91X_LATCH_GPIO(15)
#define RB91X_GPIO_LED_1 RB91X_SSR_GPIO(RB91X_SSR_BIT_LED1)
#define RB91X_GPIO_LED_2 RB91X_SSR_GPIO(RB91X_SSR_BIT_LED2)
#define RB91X_GPIO_LED_3 RB91X_SSR_GPIO(RB91X_SSR_BIT_LED3)
#define RB91X_GPIO_LED_4 RB91X_SSR_GPIO(RB91X_SSR_BIT_LED4)
#define RB91X_GPIO_LED_5 RB91X_SSR_GPIO(RB91X_SSR_BIT_LED5)
#define RB91X_GPIO_USB_POWER RB91X_SSR_GPIO(RB91X_SSR_BIT_USB_POWER)
#define RB91X_GPIO_PCIE_POWER RB91X_SSR_GPIO(RB91X_SSR_BIT_PCIE_POWER)
struct rb_board_info {
const char *name;
u32 flags;
};
static struct mtd_partition rb711gr100_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 struct flash_platform_data rb711gr100_spi_flash_data = {
.parts = rb711gr100_spi_partitions,
.nr_parts = ARRAY_SIZE(rb711gr100_spi_partitions),
};
static int rb711gr100_gpio_latch_gpios[AR934X_GPIO_COUNT] __initdata = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22
};
static struct gpio_latch_platform_data rb711gr100_gpio_latch_data __initdata = {
.base = RB91X_LATCH_GPIO_BASE,
.num_gpios = ARRAY_SIZE(rb711gr100_gpio_latch_gpios),
.gpios = rb711gr100_gpio_latch_gpios,
.le_gpio_index = 11,
.le_active_low = true,
};
static struct rb91x_nand_platform_data rb711gr100_nand_data __initdata = {
.gpio_nce = RB91X_GPIO_NAND_NCE,
.gpio_ale = RB91X_GPIO_NAND_ALE,
.gpio_cle = RB91X_GPIO_NAND_CLE,
.gpio_rdy = RB91X_GPIO_NAND_RDY,
.gpio_read = RB91X_GPIO_NAND_READ,
.gpio_nrw = RB91X_GPIO_NAND_NRW,
.gpio_nle = RB91X_GPIO_NLE,
};
static u8 rb711gr100_ssr_initdata[] = {
BIT(RB91X_SSR_BIT_PCIE_POWER) |
BIT(RB91X_SSR_BIT_USB_POWER) |
BIT(RB91X_SSR_BIT_5)
};
static struct gen_74x164_chip_platform_data rb711gr100_ssr_data = {
.base = RB91X_SSR_GPIO_BASE,
.num_registers = ARRAY_SIZE(rb711gr100_ssr_initdata),
.init_data = rb711gr100_ssr_initdata,
};
static struct spi_board_info rb711gr100_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p80",
.platform_data = &rb711gr100_spi_flash_data,
}, {
.bus_num = 0,
.chip_select = 1,
.max_speed_hz = 10000000,
.modalias = "74x164",
.platform_data = &rb711gr100_ssr_data,
}
};
static int rb711gr100_spi_cs_gpios[2] = {
-ENOENT,
RB91X_GPIO_SSR_STROBE,
};
static struct ath79_spi_platform_data rb711gr100_spi_data __initdata = {
.bus_num = 0,
.num_chipselect = 2,
.cs_gpios = rb711gr100_spi_cs_gpios,
};
static struct gpio_led rb711gr100_leds[] __initdata = {
{
.name = "rb:green:led1",
.gpio = RB91X_GPIO_LED_1,
.active_low = 0,
},
{
.name = "rb:green:led2",
.gpio = RB91X_GPIO_LED_2,
.active_low = 0,
},
{
.name = "rb:green:led3",
.gpio = RB91X_GPIO_LED_3,
.active_low = 0,
},
{
.name = "rb:green:led4",
.gpio = RB91X_GPIO_LED_4,
.active_low = 0,
},
{
.name = "rb:green:led5",
.gpio = RB91X_GPIO_LED_5,
.active_low = 0,
},
{
.name = "rb:green:user",
.gpio = RB91X_GPIO_LED_USER,
.active_low = 0,
},
{
.name = "rb:green:power",
.gpio = RB91X_GPIO_LED_POWER,
.active_low = 0,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
};
static struct at803x_platform_data rb91x_at803x_data = {
.disable_smarteee = 1,
.enable_rgmii_rx_delay = 1,
.enable_rgmii_tx_delay = 1,
};
static struct mdio_board_info rb91x_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.mdio_addr = 0,
.platform_data = &rb91x_at803x_data,
},
};
static void __init rb711gr100_init_partitions(const struct rb_info *info)
{
rb711gr100_spi_partitions[0].size = info->hard_cfg_offs;
rb711gr100_spi_partitions[1].offset = info->hard_cfg_offs;
rb711gr100_spi_partitions[3].offset = info->soft_cfg_offs;
}
void __init rb711gr100_wlan_init(void)
{
char *caldata;
u8 wlan_mac[ETH_ALEN];
caldata = rb_get_wlan_data();
if (caldata == NULL)
return;
ath79_init_mac(wlan_mac, ath79_mac_base, 1);
ath79_register_wmac(caldata + 0x1000, wlan_mac);
kfree(caldata);
}
#define RB_BOARD_INFO(_name, _flags) \
{ \
.name = (_name), \
.flags = (_flags), \
}
static const struct rb_board_info rb711gr100_boards[] __initconst = {
RB_BOARD_INFO("911G-2HPnD", 0),
RB_BOARD_INFO("911G-5HPnD", 0),
RB_BOARD_INFO("912UAG-2HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
RB_BOARD_INFO("912UAG-5HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
};
static u32 rb711gr100_get_flags(const struct rb_info *info)
{
int i;
for (i = 0; i < ARRAY_SIZE(rb711gr100_boards); i++) {
const struct rb_board_info *bi;
bi = &rb711gr100_boards[i];
if (strcmp(info->board_name, bi->name) == 0)
return bi->flags;
}
return 0;
}
static void __init rb711gr100_setup(void)
{
const struct rb_info *info;
char buf[64];
u32 flags;
info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
if (!info)
return;
scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
(info->board_name) ? info->board_name : "");
mips_set_machine_name(buf);
rb711gr100_init_partitions(info);
ath79_register_spi(&rb711gr100_spi_data, rb711gr100_spi_info,
ARRAY_SIZE(rb711gr100_spi_info));
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
AR934X_ETH_CFG_RXD_DELAY |
AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(rb91x_mdio0_info,
ARRAY_SIZE(rb91x_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_eth0_pll_data.pll_1000 = 0x02000000;
ath79_register_eth(0);
rb711gr100_wlan_init();
platform_device_register_data(NULL, "rb91x-nand", -1,
&rb711gr100_nand_data,
sizeof(rb711gr100_nand_data));
platform_device_register_data(NULL, "gpio-latch", -1,
&rb711gr100_gpio_latch_data,
sizeof(rb711gr100_gpio_latch_data));
ath79_register_leds_gpio(-1, ARRAY_SIZE(rb711gr100_leds),
rb711gr100_leds);
flags = rb711gr100_get_flags(info);
if (flags & RB91X_FLAG_USB)
ath79_register_usb();
if (flags & RB91X_FLAG_PCIE)
ath79_register_pci();
}
MIPS_MACHINE_NONAME(ATH79_MACH_RB_711GR100, "711Gr100", rb711gr100_setup);