drivers/net/fm/init.c

   1 /*
   2  * Copyright 2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6 #include <common.h>
   7 #include <asm/io.h>
   8 #include <asm/fsl_serdes.h>
   9 #include <fsl_mdio.h>
  10
  11 #include "fm.h"
  12
  13 struct fm_eth_info fm_info[] = {
  14 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
  15         FM_DTSEC_INFO_INITIALIZER(1, 1),
  16 #endif
  17 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
  18         FM_DTSEC_INFO_INITIALIZER(1, 2),
  19 #endif
  20 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
  21         FM_DTSEC_INFO_INITIALIZER(1, 3),
  22 #endif
  23 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
  24         FM_DTSEC_INFO_INITIALIZER(1, 4),
  25 #endif
  26 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
  27         FM_DTSEC_INFO_INITIALIZER(1, 5),
  28 #endif
  29 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
  30         FM_DTSEC_INFO_INITIALIZER(1, 6),
  31 #endif
  32 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
  33         FM_DTSEC_INFO_INITIALIZER(1, 9),
  34 #endif
  35 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
  36         FM_DTSEC_INFO_INITIALIZER(1, 10),
  37 #endif
  38 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
  39         FM_DTSEC_INFO_INITIALIZER(2, 1),
  40 #endif
  41 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
  42         FM_DTSEC_INFO_INITIALIZER(2, 2),
  43 #endif
  44 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
  45         FM_DTSEC_INFO_INITIALIZER(2, 3),
  46 #endif
  47 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
  48         FM_DTSEC_INFO_INITIALIZER(2, 4),
  49 #endif
  50 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
  51         FM_DTSEC_INFO_INITIALIZER(2, 5),
  52 #endif
  53 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
  54         FM_DTSEC_INFO_INITIALIZER(2, 6),
  55 #endif
  56 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
  57         FM_DTSEC_INFO_INITIALIZER(2, 9),
  58 #endif
  59 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
  60         FM_DTSEC_INFO_INITIALIZER(2, 10),
  61 #endif
  62 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
  63         FM_TGEC_INFO_INITIALIZER(1, 1),
  64 #endif
  65 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
  66         FM_TGEC_INFO_INITIALIZER(1, 2),
  67 #endif
  68 #if (CONFIG_SYS_NUM_FM1_10GEC >= 3)
  69         FM_TGEC_INFO_INITIALIZER2(1, 3),
  70 #endif
  71 #if (CONFIG_SYS_NUM_FM1_10GEC >= 4)
  72         FM_TGEC_INFO_INITIALIZER2(1, 4),
  73 #endif
  74 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
  75         FM_TGEC_INFO_INITIALIZER(2, 1),
  76 #endif
  77 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
  78         FM_TGEC_INFO_INITIALIZER(2, 2),
  79 #endif
  80 };
  81
  82 int fm_standard_init(bd_t *bis)
  83 {
  84         int i;
  85         struct ccsr_fman *reg;
  86
  87         reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
  88         if (fm_init_common(0, reg))
  89                 return 0;
  90
  91         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
  92                 if ((fm_info[i].enabled) && (fm_info[i].index == 1))
  93                         fm_eth_initialize(reg, &fm_info[i]);
  94         }
  95
  96 #if (CONFIG_SYS_NUM_FMAN == 2)
  97         reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
  98         if (fm_init_common(1, reg))
  99                 return 0;
 100
 101         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 102                 if ((fm_info[i].enabled) && (fm_info[i].index == 2))
 103                         fm_eth_initialize(reg, &fm_info[i]);
 104         }
 105 #endif
 106
 107         return 1;
 108 }
 109
 110 /* simple linear search to map from port to array index */
 111 static int fm_port_to_index(enum fm_port port)
 112 {
 113         int i;
 114
 115         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 116                 if (fm_info[i].port == port)
 117                         return i;
 118         }
 119
 120         return -1;
 121 }
 122
 123 /*
 124  * Determine if an interface is actually active based on HW config
 125  * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
 126  * the interface is not active based on HW cfg of the SoC
 127  */
 128 void fman_enet_init(void)
 129 {
 130         int i;
 131
 132         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 133                 phy_interface_t enet_if;
 134
 135                 enet_if = fman_port_enet_if(fm_info[i].port);
 136                 if (enet_if != PHY_INTERFACE_MODE_NONE) {
 137                         fm_info[i].enabled = 1;
 138                         fm_info[i].enet_if = enet_if;
 139                 } else {
 140                         fm_info[i].enabled = 0;
 141                 }
 142         }
 143
 144         return ;
 145 }
 146
 147 void fm_disable_port(enum fm_port port)
 148 {
 149         int i = fm_port_to_index(port);
 150
 151         if (i == -1)
 152                 return;
 153
 154         fm_info[i].enabled = 0;
 155         fman_disable_port(port);
 156 }
 157
 158 void fm_enable_port(enum fm_port port)
 159 {
 160         int i = fm_port_to_index(port);
 161
 162         if (i == -1)
 163                 return;
 164
 165         fm_info[i].enabled = 1;
 166         fman_enable_port(port);
 167 }
 168
 169 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
 170 {
 171         int i = fm_port_to_index(port);
 172
 173         if (i == -1)
 174                 return;
 175
 176         fm_info[i].bus = bus;
 177 }
 178
 179 void fm_info_set_phy_address(enum fm_port port, int address)
 180 {
 181         int i = fm_port_to_index(port);
 182
 183         if (i == -1)
 184                 return;
 185
 186         fm_info[i].phy_addr = address;
 187 }
 188
 189 /*
 190  * Returns the PHY address for a given Fman port
 191  *
 192  * The port must be set via a prior call to fm_info_set_phy_address().
 193  * A negative error code is returned if the port is invalid.
 194  */
 195 int fm_info_get_phy_address(enum fm_port port)
 196 {
 197         int i = fm_port_to_index(port);
 198
 199         if (i == -1)
 200                 return -1;
 201
 202         return fm_info[i].phy_addr;
 203 }
 204
 205 /*
 206  * Returns the type of the data interface between the given MAC and its PHY.
 207  * This is typically determined by the RCW.
 208  */
 209 phy_interface_t fm_info_get_enet_if(enum fm_port port)
 210 {
 211         int i = fm_port_to_index(port);
 212
 213         if (i == -1)
 214                 return PHY_INTERFACE_MODE_NONE;
 215
 216         if (fm_info[i].enabled)
 217                 return fm_info[i].enet_if;
 218
 219         return PHY_INTERFACE_MODE_NONE;
 220 }
 221
 222 static void
 223 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 224                                 enum fm_port port, int offset)
 225 {
 226         return ;
 227 }
 228
 229 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 230                                 enum fm_port port, int offset)
 231          __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));
 232
 233 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 234 {
 235         int off;
 236         uint32_t ph;
 237         phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
 238         u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
 239                                 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
 240
 241         off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 242
 243         if (info->enabled) {
 244                 fdt_fixup_phy_connection(blob, off, info->enet_if);
 245                 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
 246                 return ;
 247         }
 248
 249 #ifdef CONFIG_SYS_FMAN_V3
 250         /*
 251          * Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when
 252          * FM1_10GEC1 is enabled and  FM1_DTSEC9 is disabled, ensure that the
 253          * dual-role MAC is not disabled, ditto for other dual-role MACs.
 254          */
 255         if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1)))  ||
 256             ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) ||
 257             ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC1)))  ||
 258             ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3)))  ||
 259             ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4)))  ||
 260             ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC1)))  ||
 261             ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9)))  ||
 262             ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) ||
 263             ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1)))  ||
 264             ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2)))
 265 #if (CONFIG_SYS_NUM_FMAN == 2)
 266                                                                                 ||
 267             ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1)))       ||
 268             ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2)))      ||
 269             ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9)))       ||
 270             ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
 271 #endif
 272         )
 273                 return;
 274 #endif
 275         /* board code might have caused offset to change */
 276         off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 277
 278         /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
 279         if (paddr != dtsec1_addr)
 280                 fdt_status_disabled(blob, off); /* disable the MAC node */
 281
 282         /* disable the fsl,dpa-ethernet node that points to the MAC */
 283         ph = fdt_get_phandle(blob, off);
 284         do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
 285                 "status", "disabled", strlen("disabled") + 1, 1);
 286 }
 287
 288 void fdt_fixup_fman_ethernet(void *blob)
 289 {
 290         int i;
 291
 292 #ifdef CONFIG_SYS_FMAN_V3
 293         for (i = 0; i < ARRAY_SIZE(fm_info); i++)
 294                 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
 295 #else
 296         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 297                 if (fm_info[i].type == FM_ETH_1G_E)
 298                         ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
 299                 else
 300                         ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
 301         }
 302 #endif
 303 }
 304
 305 /*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
 306  *This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
 307  *then set the correct PHY address
 308  */
 309 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
 310                 unsigned int port_num, int phy_base_addr)
 311 {
 312         unsigned int regnum = 0;
 313         int qsgmii;
 314         int i;
 315         int phy_real_addr;
 316
 317         qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);
 318
 319         if (!qsgmii)
 320                 return;
 321
 322         for (i = base_port; i < base_port + port_num; i++) {
 323                 if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
 324                         phy_real_addr = phy_base_addr + i - base_port;
 325                         fm_info_set_phy_address(i, phy_real_addr);
 326                 }
 327         }
 328 }
 329
 330 /*to check whether qsgmii riser card is used*/
 331 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
 332                 unsigned int port_num, unsigned regnum)
 333 {
 334         int i;
 335         int val;
 336
 337         if (!bus)
 338                 return 0;
 339
 340         for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
 341                 val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
 342                 if (val != MIIM_TIMEOUT)
 343                         return 1;
 344         }
 345
 346         return 0;
 347 }