target/linux/ar71xx/files/arch/mips/ath79/mach-rb2011.c

   1 /*
   2  *  MikroTik RouterBOARD 2011 support
   3  *
   4  *  Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
   5  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #define pr_fmt(fmt) "rb2011: " fmt
  13
  14 #include <linux/phy.h>
  15 #include <linux/delay.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/ath9k_platform.h>
  18 #include <linux/ar8216_platform.h>
  19 #include <linux/mtd/mtd.h>
  20 #include <linux/mtd/nand.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/spi/flash.h>
  24 #include <linux/routerboot.h>
  25 #include <linux/gpio.h>
  26
  27 #include <asm/mach-ath79/ath79.h>
  28 #include <asm/mach-ath79/ar71xx_regs.h>
  29
  30 #include "common.h"
  31 #include "dev-eth.h"
  32 #include "dev-m25p80.h"
  33 #include "dev-nfc.h"
  34 #include "dev-usb.h"
  35 #include "dev-wmac.h"
  36 #include "machtypes.h"
  37 #include "routerboot.h"
  38
  39 #define RB2011_GPIO_NAND_NCE    14
  40 #define RB2011_GPIO_SFP_LOS     21
  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 RB_ART_SIZE             0x10000
  51
  52 #define RB2011_FLAG_SFP         BIT(0)
  53 #define RB2011_FLAG_USB         BIT(1)
  54 #define RB2011_FLAG_WLAN        BIT(2)
  55
  56 static struct mtd_partition rb2011_spi_partitions[] = {
  57         {
  58                 .name           = "routerboot",
  59                 .offset         = RB_ROUTERBOOT_OFFSET,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         }, {
  62                 .name           = "hard_config",
  63                 .size           = RB_HARD_CFG_SIZE,
  64                 .mask_flags     = MTD_WRITEABLE,
  65         }, {
  66                 .name           = "bios",
  67                 .offset         = RB_BIOS_OFFSET,
  68                 .size           = RB_BIOS_SIZE,
  69                 .mask_flags     = MTD_WRITEABLE,
  70         }, {
  71                 .name           = "soft_config",
  72                 .size           = RB_SOFT_CFG_SIZE,
  73         }
  74 };
  75
  76 static void __init rb2011_init_partitions(const struct rb_info *info)
  77 {
  78         rb2011_spi_partitions[0].size = info->hard_cfg_offs;
  79         rb2011_spi_partitions[1].offset = info->hard_cfg_offs;
  80         rb2011_spi_partitions[3].offset = info->soft_cfg_offs;
  81 }
  82
  83 static struct mtd_partition rb2011_nand_partitions[] = {
  84         {
  85                 .name   = "booter",
  86                 .offset = 0,
  87                 .size   = (256 * 1024),
  88                 .mask_flags = MTD_WRITEABLE,
  89         },
  90         {
  91                 .name   = "kernel",
  92                 .offset = (256 * 1024),
  93                 .size   = (4 * 1024 * 1024) - (256 * 1024),
  94         },
  95         {
  96                 .name   = "rootfs",
  97                 .offset = MTDPART_OFS_NXTBLK,
  98                 .size   = MTDPART_SIZ_FULL,
  99         },
 100 };
 101
 102 static struct flash_platform_data rb2011_spi_flash_data = {
 103         .parts          = rb2011_spi_partitions,
 104         .nr_parts       = ARRAY_SIZE(rb2011_spi_partitions),
 105 };
 106
 107 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
 108         .mode = AR8327_PAD_MAC_RGMII,
 109         .txclk_delay_en = true,
 110         .rxclk_delay_en = true,
 111         .txclk_delay_sel = AR8327_CLK_DELAY_SEL3,
 112         .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
 113 };
 114
 115 static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg;
 116 static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg;
 117
 118 static struct ar8327_led_cfg rb2011_ar8327_led_cfg = {
 119         .led_ctrl0 = 0x0000c731,
 120         .led_ctrl1 = 0x00000000,
 121         .led_ctrl2 = 0x00000000,
 122         .led_ctrl3 = 0x0030c300,
 123         .open_drain = false,
 124 };
 125
 126 static struct ar8327_platform_data rb2011_ar8327_data = {
 127         .pad0_cfg = &rb2011_ar8327_pad0_cfg,
 128         .port0_cfg = {
 129                 .force_link = 1,
 130                 .speed = AR8327_PORT_SPEED_1000,
 131                 .duplex = 1,
 132                 .txpause = 1,
 133                 .rxpause = 1,
 134         },
 135         .led_cfg = &rb2011_ar8327_led_cfg,
 136 };
 137
 138 static struct mdio_board_info rb2011_mdio0_info[] = {
 139         {
 140                 .bus_id = "ag71xx-mdio.0",
 141                 .phy_addr = 0,
 142                 .platform_data = &rb2011_ar8327_data,
 143         },
 144 };
 145
 146 static void __init rb2011_wlan_init(void)
 147 {
 148         char *art_buf;
 149         u8 wlan_mac[ETH_ALEN];
 150
 151         art_buf = rb_get_wlan_data();
 152         if (art_buf == NULL)
 153                 return;
 154
 155         ath79_init_mac(wlan_mac, ath79_mac_base, 11);
 156         ath79_register_wmac(art_buf + 0x1000, wlan_mac);
 157
 158         kfree(art_buf);
 159 }
 160
 161 static void rb2011_nand_select_chip(int chip_no)
 162 {
 163         switch (chip_no) {
 164         case 0:
 165                 gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
 166                 break;
 167         default:
 168                 gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
 169                 break;
 170         }
 171         ndelay(500);
 172 }
 173
 174 static struct nand_ecclayout rb2011_nand_ecclayout = {
 175         .eccbytes       = 6,
 176         .eccpos         = { 8, 9, 10, 13, 14, 15 },
 177         .oobavail       = 9,
 178         .oobfree        = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
 179 };
 180
 181 static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
 182 {
 183         struct nand_chip *chip = mtd->priv;
 184
 185         if (mtd->writesize == 512) {
 186                 /*
 187                  * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
 188                  * will not be able to find the kernel that we load.
 189                  */
 190                 chip->ecc.layout = &rb2011_nand_ecclayout;
 191         }
 192
 193         return 0;
 194 }
 195
 196 static void __init rb2011_nand_init(void)
 197 {
 198         gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
 199
 200         ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
 201         ath79_nfc_set_parts(rb2011_nand_partitions,
 202                             ARRAY_SIZE(rb2011_nand_partitions));
 203         ath79_nfc_set_select_chip(rb2011_nand_select_chip);
 204         ath79_nfc_set_swap_dma(true);
 205         ath79_register_nfc();
 206 }
 207
 208 static int rb2011_get_port_link(unsigned port)
 209 {
 210         if (port != 6)
 211                 return -EINVAL;
 212
 213         /* The Loss of signal line is active low */
 214         return !gpio_get_value(RB2011_GPIO_SFP_LOS);
 215 }
 216
 217 static void __init rb2011_sfp_init(void)
 218 {
 219         gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS");
 220
 221         rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
 222
 223         rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg;
 224
 225         rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0;
 226         rb2011_ar8327_sgmii_cfg.serdes_aen = true;
 227
 228         rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg;
 229
 230         rb2011_ar8327_data.port6_cfg.force_link = 1;
 231         rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000;
 232         rb2011_ar8327_data.port6_cfg.duplex = 1;
 233
 234         rb2011_ar8327_data.get_port_link = rb2011_get_port_link;
 235 }
 236
 237 static int __init rb2011_setup(u32 flags)
 238 {
 239         const struct rb_info *info;
 240
 241         info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
 242         if (!info)
 243                 return -ENODEV;
 244
 245         rb2011_init_partitions(info);
 246
 247         ath79_register_m25p80(&rb2011_spi_flash_data);
 248         rb2011_nand_init();
 249
 250         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 251                                    AR934X_ETH_CFG_SW_ONLY_MODE);
 252
 253         ath79_register_mdio(1, 0x0);
 254         ath79_register_mdio(0, 0x0);
 255
 256         mdiobus_register_board_info(rb2011_mdio0_info,
 257                                     ARRAY_SIZE(rb2011_mdio0_info));
 258
 259         /* GMAC0 is connected to an ar8327 switch */
 260         ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
 261         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 262         ath79_eth0_data.phy_mask = BIT(0);
 263         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 264         ath79_eth0_pll_data.pll_1000 = 0x06000000;
 265
 266         ath79_register_eth(0);
 267
 268         /* GMAC1 is connected to the internal switch */
 269         ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
 270         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 271         ath79_eth1_data.speed = SPEED_1000;
 272         ath79_eth1_data.duplex = DUPLEX_FULL;
 273
 274         ath79_register_eth(1);
 275
 276         if (flags & RB2011_FLAG_SFP)
 277                 rb2011_sfp_init();
 278
 279         if (flags & RB2011_FLAG_WLAN)
 280                 rb2011_wlan_init();
 281
 282         if (flags & RB2011_FLAG_USB)
 283                 ath79_register_usb();
 284
 285         return 0;
 286 }
 287
 288 static void __init rb2011l_setup(void)
 289 {
 290         rb2011_setup(0);
 291 }
 292
 293 MIPS_MACHINE(ATH79_MACH_RB_2011L, "2011L", "MikroTik RouterBOARD 2011L",
 294              rb2011l_setup);
 295
 296 static void __init rb2011us_setup(void)
 297 {
 298         rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB);
 299 }
 300
 301 MIPS_MACHINE(ATH79_MACH_RB_2011US, "2011US", "MikroTik RouterBOARD 2011UAS",
 302              rb2011us_setup);
 303
 304 static void __init rb2011g_setup(void)
 305 {
 306         rb2011_setup(RB2011_FLAG_SFP |
 307                      RB2011_FLAG_USB |
 308                      RB2011_FLAG_WLAN);
 309 }
 310
 311 MIPS_MACHINE(ATH79_MACH_RB_2011G, "2011G", "MikroTik RouterBOARD 2011UAS-2HnD",
 312              rb2011g_setup);