openwrt/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c

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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/phy.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/ath9k_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/74x164.h>
#include <linux/spi/flash.h>
#include <linux/routerboot.h>
#include <linux/gpio.h>
#include <linux/platform_data/gpio-latch.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-m25p80.h"
#include "dev-nfc.h"
#include "dev-usb.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 AR934X_GPIO_COUNT
#define RB91X_LATCH_GPIO(_x) (RB91X_LATCH_GPIO_BASE + (_x))
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 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_m25p80(&rb711gr100_spi_flash_data);
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(0, 0x0);
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_simple("rb91x-nand", -1, NULL, 0);
platform_device_register_data(NULL, "gpio-latch", -1,
&rb711gr100_gpio_latch_data,
sizeof(rb711gr100_gpio_latch_data));
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);