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/prom.h>
  28 #include <asm/mach-ath79/ath79.h>
  29 #include <asm/mach-ath79/ar71xx_regs.h>
  30
  31 #include "common.h"
  32 #include "dev-eth.h"
  33 #include "dev-m25p80.h"
  34 #include "dev-nfc.h"
  35 #include "dev-usb.h"
  36 #include "dev-wmac.h"
  37 #include "machtypes.h"
  38 #include "routerboot.h"
  39
  40 #define RB2011_GPIO_NAND_NCE    14
  41 #define RB2011_GPIO_SFP_LOS     21
  42
  43 #define RB_ROUTERBOOT_OFFSET    0x0000
  44 #define RB_ROUTERBOOT_MIN_SIZE  0xb000
  45 #define RB_HARD_CFG_SIZE        0x1000
  46 #define RB_BIOS_OFFSET          0xd000
  47 #define RB_BIOS_SIZE            0x1000
  48 #define RB_SOFT_CFG_OFFSET      0xf000
  49 #define RB_SOFT_CFG_SIZE        0x1000
  50
  51 #define RB_ART_SIZE             0x10000
  52
  53 #define RB2011_FLAG_SFP         BIT(0)
  54 #define RB2011_FLAG_USB         BIT(1)
  55 #define RB2011_FLAG_WLAN        BIT(2)
  56
  57 static struct mtd_partition rb2011_spi_partitions[] = {
  58         {
  59                 .name           = "routerboot",
  60                 .offset         = RB_ROUTERBOOT_OFFSET,
  61                 .mask_flags     = MTD_WRITEABLE,
  62         }, {
  63                 .name           = "hard_config",
  64                 .size           = RB_HARD_CFG_SIZE,
  65                 .mask_flags     = MTD_WRITEABLE,
  66         }, {
  67                 .name           = "bios",
  68                 .offset         = RB_BIOS_OFFSET,
  69                 .size           = RB_BIOS_SIZE,
  70                 .mask_flags     = MTD_WRITEABLE,
  71         }, {
  72                 .name           = "soft_config",
  73                 .size           = RB_SOFT_CFG_SIZE,
  74         }
  75 };
  76
  77 static void __init rb2011_init_partitions(const struct rb_info *info)
  78 {
  79         rb2011_spi_partitions[0].size = info->hard_cfg_offs;
  80         rb2011_spi_partitions[1].offset = info->hard_cfg_offs;
  81         rb2011_spi_partitions[3].offset = info->soft_cfg_offs;
  82 }
  83
  84 static struct mtd_partition rb2011_nand_partitions[] = {
  85         {
  86                 .name   = "booter",
  87                 .offset = 0,
  88                 .size   = (256 * 1024),
  89                 .mask_flags = MTD_WRITEABLE,
  90         },
  91         {
  92                 .name   = "kernel",
  93                 .offset = (256 * 1024),
  94                 .size   = (4 * 1024 * 1024) - (256 * 1024),
  95         },
  96         {
  97                 .name   = "rootfs",
  98                 .offset = MTDPART_OFS_NXTBLK,
  99                 .size   = MTDPART_SIZ_FULL,
 100         },
 101 };
 102
 103 static struct flash_platform_data rb2011_spi_flash_data = {
 104         .parts          = rb2011_spi_partitions,
 105         .nr_parts       = ARRAY_SIZE(rb2011_spi_partitions),
 106 };
 107
 108 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
 109         .mode = AR8327_PAD_MAC_RGMII,
 110         .txclk_delay_en = true,
 111         .rxclk_delay_en = true,
 112         .txclk_delay_sel = AR8327_CLK_DELAY_SEL3,
 113         .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
 114 };
 115
 116 static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg;
 117 static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg;
 118
 119 static struct ar8327_led_cfg rb2011_ar8327_led_cfg = {
 120         .led_ctrl0 = 0xc731c731,
 121         .led_ctrl1 = 0x00000000,
 122         .led_ctrl2 = 0x00000000,
 123         .led_ctrl3 = 0x0030c300,
 124         .open_drain = false,
 125 };
 126
 127 static const struct ar8327_led_info rb2011_ar8327_leds[] __initconst = {
 128         AR8327_LED_INFO(PHY0_0, HW, "rb:green:eth1"),
 129         AR8327_LED_INFO(PHY1_0, HW, "rb:green:eth2"),
 130         AR8327_LED_INFO(PHY2_0, HW, "rb:green:eth3"),
 131         AR8327_LED_INFO(PHY3_0, HW, "rb:green:eth4"),
 132         AR8327_LED_INFO(PHY4_0, HW, "rb:green:eth5"),
 133         AR8327_LED_INFO(PHY0_1, SW, "rb:green:eth6"),
 134         AR8327_LED_INFO(PHY1_1, SW, "rb:green:eth7"),
 135         AR8327_LED_INFO(PHY2_1, SW, "rb:green:eth8"),
 136         AR8327_LED_INFO(PHY3_1, SW, "rb:green:eth9"),
 137         AR8327_LED_INFO(PHY4_1, SW, "rb:green:eth10"),
 138         AR8327_LED_INFO(PHY4_2, SW, "rb:green:usr"),
 139 };
 140
 141 static struct ar8327_platform_data rb2011_ar8327_data = {
 142         .pad0_cfg = &rb2011_ar8327_pad0_cfg,
 143         .port0_cfg = {
 144                 .force_link = 1,
 145                 .speed = AR8327_PORT_SPEED_1000,
 146                 .duplex = 1,
 147                 .txpause = 1,
 148                 .rxpause = 1,
 149         },
 150         .led_cfg = &rb2011_ar8327_led_cfg,
 151         .num_leds = ARRAY_SIZE(rb2011_ar8327_leds),
 152         .leds = rb2011_ar8327_leds,
 153 };
 154
 155 static struct mdio_board_info rb2011_mdio0_info[] = {
 156         {
 157                 .bus_id = "ag71xx-mdio.0",
 158                 .phy_addr = 0,
 159                 .platform_data = &rb2011_ar8327_data,
 160         },
 161 };
 162
 163 static void __init rb2011_wlan_init(void)
 164 {
 165         char *art_buf;
 166         u8 wlan_mac[ETH_ALEN];
 167
 168         art_buf = rb_get_wlan_data();
 169         if (art_buf == NULL)
 170                 return;
 171
 172         ath79_init_mac(wlan_mac, ath79_mac_base, 11);
 173         ath79_register_wmac(art_buf + 0x1000, wlan_mac);
 174
 175         kfree(art_buf);
 176 }
 177
 178 static void rb2011_nand_select_chip(int chip_no)
 179 {
 180         switch (chip_no) {
 181         case 0:
 182                 gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
 183                 break;
 184         default:
 185                 gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
 186                 break;
 187         }
 188         ndelay(500);
 189 }
 190
 191 static struct nand_ecclayout rb2011_nand_ecclayout = {
 192         .eccbytes       = 6,
 193         .eccpos         = { 8, 9, 10, 13, 14, 15 },
 194         .oobavail       = 9,
 195         .oobfree        = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
 196 };
 197
 198 static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
 199 {
 200         struct nand_chip *chip = mtd->priv;
 201
 202         if (mtd->writesize == 512) {
 203                 /*
 204                  * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
 205                  * will not be able to find the kernel that we load.
 206                  */
 207                 chip->ecc.layout = &rb2011_nand_ecclayout;
 208         }
 209
 210         return 0;
 211 }
 212
 213 static void __init rb2011_nand_init(void)
 214 {
 215         gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
 216
 217         ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
 218         ath79_nfc_set_parts(rb2011_nand_partitions,
 219                             ARRAY_SIZE(rb2011_nand_partitions));
 220         ath79_nfc_set_select_chip(rb2011_nand_select_chip);
 221         ath79_nfc_set_swap_dma(true);
 222         ath79_register_nfc();
 223 }
 224
 225 static int rb2011_get_port_link(unsigned port)
 226 {
 227         if (port != 6)
 228                 return -EINVAL;
 229
 230         /* The Loss of signal line is active low */
 231         return !gpio_get_value(RB2011_GPIO_SFP_LOS);
 232 }
 233
 234 static void __init rb2011_sfp_init(void)
 235 {
 236         gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS");
 237
 238         rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
 239
 240         rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg;
 241
 242         rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0;
 243         rb2011_ar8327_sgmii_cfg.serdes_aen = true;
 244
 245         rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg;
 246
 247         rb2011_ar8327_data.port6_cfg.force_link = 1;
 248         rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000;
 249         rb2011_ar8327_data.port6_cfg.duplex = 1;
 250
 251         rb2011_ar8327_data.get_port_link = rb2011_get_port_link;
 252 }
 253
 254 static int __init rb2011_setup(u32 flags)
 255 {
 256         const struct rb_info *info;
 257         char buf[64];
 258
 259         info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
 260         if (!info)
 261                 return -ENODEV;
 262
 263         scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
 264                   (info->board_name) ? info->board_name : "");
 265         mips_set_machine_name(buf);
 266
 267         rb2011_init_partitions(info);
 268
 269         ath79_register_m25p80(&rb2011_spi_flash_data);
 270         rb2011_nand_init();
 271
 272         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 273                                    AR934X_ETH_CFG_SW_ONLY_MODE);
 274
 275         ath79_register_mdio(1, 0x0);
 276         ath79_register_mdio(0, 0x0);
 277
 278         mdiobus_register_board_info(rb2011_mdio0_info,
 279                                     ARRAY_SIZE(rb2011_mdio0_info));
 280
 281         /* GMAC0 is connected to an ar8327 switch */
 282         ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
 283         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 284         ath79_eth0_data.phy_mask = BIT(0);
 285         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 286         ath79_eth0_pll_data.pll_1000 = 0x06000000;
 287
 288         ath79_register_eth(0);
 289
 290         /* GMAC1 is connected to the internal switch */
 291         ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
 292         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 293         ath79_eth1_data.speed = SPEED_1000;
 294         ath79_eth1_data.duplex = DUPLEX_FULL;
 295
 296         ath79_register_eth(1);
 297
 298         if (flags & RB2011_FLAG_SFP)
 299                 rb2011_sfp_init();
 300
 301         if (flags & RB2011_FLAG_WLAN)
 302                 rb2011_wlan_init();
 303
 304         if (flags & RB2011_FLAG_USB)
 305                 ath79_register_usb();
 306
 307         return 0;
 308 }
 309
 310 static void __init rb2011l_setup(void)
 311 {
 312         rb2011_setup(0);
 313 }
 314
 315 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011L, "2011L", rb2011l_setup);
 316
 317 static void __init rb2011us_setup(void)
 318 {
 319         rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB);
 320 }
 321
 322 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011US, "2011US", rb2011us_setup);
 323
 324 static void __init rb2011r5_setup(void)
 325 {
 326         rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB | RB2011_FLAG_WLAN);
 327 }
 328
 329 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011R5, "2011r5", rb2011r5_setup);
 330
 331 static void __init rb2011g_setup(void)
 332 {
 333         rb2011_setup(RB2011_FLAG_SFP |
 334                      RB2011_FLAG_USB |
 335                      RB2011_FLAG_WLAN);
 336 }
 337
 338 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011G, "2011G", rb2011g_setup);