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

   1 /*
   2  *  MikroTik RouterBOARD 91X support
   3  *
   4  *  Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #define pr_fmt(fmt) "rb91x: " fmt
  12
  13 #include <linux/phy.h>
  14 #include <linux/delay.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/ath9k_platform.h>
  17 #include <linux/mtd/mtd.h>
  18 #include <linux/mtd/nand.h>
  19 #include <linux/mtd/partitions.h>
  20 #include <linux/spi/spi.h>
  21 #include <linux/spi/74x164.h>
  22 #include <linux/spi/flash.h>
  23 #include <linux/routerboot.h>
  24 #include <linux/gpio.h>
  25
  26 #include <asm/prom.h>
  27 #include <asm/mach-ath79/ath79.h>
  28 #include <asm/mach-ath79/ath79_spi_platform.h>
  29 #include <asm/mach-ath79/ar71xx_regs.h>
  30
  31 #include "common.h"
  32 #include "dev-eth.h"
  33 #include "dev-leds-gpio.h"
  34 #include "dev-m25p80.h"
  35 #include "dev-nfc.h"
  36 #include "dev-usb.h"
  37 #include "dev-wmac.h"
  38 #include "machtypes.h"
  39 #include "pci.h"
  40 #include "routerboot.h"
  41
  42 #define RB_ROUTERBOOT_OFFSET    0x0000
  43 #define RB_ROUTERBOOT_MIN_SIZE  0xb000
  44 #define RB_HARD_CFG_SIZE        0x1000
  45 #define RB_BIOS_OFFSET          0xd000
  46 #define RB_BIOS_SIZE            0x1000
  47 #define RB_SOFT_CFG_OFFSET      0xf000
  48 #define RB_SOFT_CFG_SIZE        0x1000
  49
  50 #define RB91X_FLAG_USB          BIT(0)
  51 #define RB91X_FLAG_PCIE         BIT(1)
  52
  53 struct rb_board_info {
  54         const char *name;
  55         u32 flags;
  56 };
  57
  58 static struct mtd_partition rb711gr100_spi_partitions[] = {
  59         {
  60                 .name           = "routerboot",
  61                 .offset         = RB_ROUTERBOOT_OFFSET,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         }, {
  64                 .name           = "hard_config",
  65                 .size           = RB_HARD_CFG_SIZE,
  66                 .mask_flags     = MTD_WRITEABLE,
  67         }, {
  68                 .name           = "bios",
  69                 .offset         = RB_BIOS_OFFSET,
  70                 .size           = RB_BIOS_SIZE,
  71                 .mask_flags     = MTD_WRITEABLE,
  72         }, {
  73                 .name           = "soft_config",
  74                 .size           = RB_SOFT_CFG_SIZE,
  75         }
  76 };
  77
  78 static struct flash_platform_data rb711gr100_spi_flash_data = {
  79         .parts          = rb711gr100_spi_partitions,
  80         .nr_parts       = ARRAY_SIZE(rb711gr100_spi_partitions),
  81 };
  82
  83 static void __init rb711gr100_init_partitions(const struct rb_info *info)
  84 {
  85         rb711gr100_spi_partitions[0].size = info->hard_cfg_offs;
  86         rb711gr100_spi_partitions[1].offset = info->hard_cfg_offs;
  87
  88         rb711gr100_spi_partitions[3].offset = info->soft_cfg_offs;
  89 }
  90
  91 void __init rb711gr100_wlan_init(void)
  92 {
  93         char *caldata;
  94         u8 wlan_mac[ETH_ALEN];
  95
  96         caldata = rb_get_wlan_data();
  97         if (caldata == NULL)
  98                 return;
  99
 100         ath79_init_mac(wlan_mac, ath79_mac_base, 1);
 101         ath79_register_wmac(caldata + 0x1000, wlan_mac);
 102
 103         kfree(caldata);
 104 }
 105
 106 #define RB_BOARD_INFO(_name, _flags)    \
 107         {                               \
 108                 .name = (_name),        \
 109                 .flags = (_flags),      \
 110         }
 111
 112 static const struct rb_board_info rb711gr100_boards[] __initconst = {
 113         RB_BOARD_INFO("911G-2HPnD", 0),
 114         RB_BOARD_INFO("911G-5HPnD", 0),
 115         RB_BOARD_INFO("912UAG-2HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
 116         RB_BOARD_INFO("912UAG-5HPnD", RB91X_FLAG_USB | RB91X_FLAG_PCIE),
 117 };
 118
 119 static u32 rb711gr100_get_flags(const struct rb_info *info)
 120 {
 121         int i;
 122
 123         for (i = 0; i < ARRAY_SIZE(rb711gr100_boards); i++) {
 124                 const struct rb_board_info *bi;
 125
 126                 bi = &rb711gr100_boards[i];
 127                 if (strcmp(info->board_name, bi->name) == 0)
 128                         return bi->flags;
 129         }
 130
 131         return 0;
 132 }
 133
 134 static void __init rb711gr100_setup(void)
 135 {
 136         const struct rb_info *info;
 137         char buf[64];
 138         u32 flags;
 139
 140         info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
 141         if (!info)
 142                 return;
 143
 144         scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
 145                   (info->board_name) ? info->board_name : "");
 146         mips_set_machine_name(buf);
 147
 148         rb711gr100_init_partitions(info);
 149         ath79_register_m25p80(&rb711gr100_spi_flash_data);
 150
 151         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 152                                    AR934X_ETH_CFG_SW_ONLY_MODE);
 153
 154         ath79_register_mdio(0, 0x0);
 155
 156         ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
 157         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 158         ath79_eth0_data.phy_mask = BIT(0);
 159
 160         ath79_register_eth(0);
 161
 162         rb711gr100_wlan_init();
 163
 164         platform_device_register_simple("rb91x-nand", -1, NULL, 0);
 165
 166         flags = rb711gr100_get_flags(info);
 167
 168         if (flags & RB91X_FLAG_USB)
 169                 ath79_register_usb();
 170
 171         if (flags & RB91X_FLAG_PCIE)
 172                 ath79_register_pci();
 173
 174 }
 175
 176 MIPS_MACHINE_NONAME(ATH79_MACH_RB_711GR100, "711Gr100", rb711gr100_setup);