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
  10 #include "fm.h"
  11
  12 struct fm_eth_info fm_info[] = {
  13 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
  14         FM_DTSEC_INFO_INITIALIZER(1, 1),
  15 #endif
  16 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
  17         FM_DTSEC_INFO_INITIALIZER(1, 2),
  18 #endif
  19 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
  20         FM_DTSEC_INFO_INITIALIZER(1, 3),
  21 #endif
  22 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
  23         FM_DTSEC_INFO_INITIALIZER(1, 4),
  24 #endif
  25 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
  26         FM_DTSEC_INFO_INITIALIZER(1, 5),
  27 #endif
  28 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
  29         FM_DTSEC_INFO_INITIALIZER(1, 6),
  30 #endif
  31 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
  32         FM_DTSEC_INFO_INITIALIZER(1, 9),
  33 #endif
  34 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
  35         FM_DTSEC_INFO_INITIALIZER(1, 10),
  36 #endif
  37 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
  38         FM_DTSEC_INFO_INITIALIZER(2, 1),
  39 #endif
  40 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
  41         FM_DTSEC_INFO_INITIALIZER(2, 2),
  42 #endif
  43 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
  44         FM_DTSEC_INFO_INITIALIZER(2, 3),
  45 #endif
  46 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
  47         FM_DTSEC_INFO_INITIALIZER(2, 4),
  48 #endif
  49 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
  50         FM_DTSEC_INFO_INITIALIZER(2, 5),
  51 #endif
  52 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
  53         FM_DTSEC_INFO_INITIALIZER(2, 6),
  54 #endif
  55 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
  56         FM_DTSEC_INFO_INITIALIZER(2, 9),
  57 #endif
  58 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
  59         FM_DTSEC_INFO_INITIALIZER(2, 10),
  60 #endif
  61 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
  62         FM_TGEC_INFO_INITIALIZER(1, 1),
  63 #endif
  64 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
  65         FM_TGEC_INFO_INITIALIZER(1, 2),
  66 #endif
  67 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
  68         FM_TGEC_INFO_INITIALIZER(2, 1),
  69 #endif
  70 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
  71         FM_TGEC_INFO_INITIALIZER(2, 2),
  72 #endif
  73 };
  74
  75 int fm_standard_init(bd_t *bis)
  76 {
  77         int i;
  78         struct ccsr_fman *reg;
  79
  80         reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
  81         if (fm_init_common(0, reg))
  82                 return 0;
  83
  84         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
  85                 if ((fm_info[i].enabled) && (fm_info[i].index == 1))
  86                         fm_eth_initialize(reg, &fm_info[i]);
  87         }
  88
  89 #if (CONFIG_SYS_NUM_FMAN == 2)
  90         reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
  91         if (fm_init_common(1, reg))
  92                 return 0;
  93
  94         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
  95                 if ((fm_info[i].enabled) && (fm_info[i].index == 2))
  96                         fm_eth_initialize(reg, &fm_info[i]);
  97         }
  98 #endif
  99
 100         return 1;
 101 }
 102
 103 /* simple linear search to map from port to array index */
 104 static int fm_port_to_index(enum fm_port port)
 105 {
 106         int i;
 107
 108         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 109                 if (fm_info[i].port == port)
 110                         return i;
 111         }
 112
 113         return -1;
 114 }
 115
 116 /*
 117  * Determine if an interface is actually active based on HW config
 118  * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
 119  * the interface is not active based on HW cfg of the SoC
 120  */
 121 void fman_enet_init(void)
 122 {
 123         int i;
 124
 125         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 126                 phy_interface_t enet_if;
 127
 128                 enet_if = fman_port_enet_if(fm_info[i].port);
 129                 if (enet_if != PHY_INTERFACE_MODE_NONE) {
 130                         fm_info[i].enabled = 1;
 131                         fm_info[i].enet_if = enet_if;
 132                 } else {
 133                         fm_info[i].enabled = 0;
 134                 }
 135         }
 136
 137         return ;
 138 }
 139
 140 void fm_disable_port(enum fm_port port)
 141 {
 142         int i = fm_port_to_index(port);
 143
 144         fm_info[i].enabled = 0;
 145         fman_disable_port(port);
 146 }
 147
 148 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
 149 {
 150         int i = fm_port_to_index(port);
 151
 152         if (i == -1)
 153                 return;
 154
 155         fm_info[i].bus = bus;
 156 }
 157
 158 void fm_info_set_phy_address(enum fm_port port, int address)
 159 {
 160         int i = fm_port_to_index(port);
 161
 162         if (i == -1)
 163                 return;
 164
 165         fm_info[i].phy_addr = address;
 166 }
 167
 168 /*
 169  * Returns the PHY address for a given Fman port
 170  *
 171  * The port must be set via a prior call to fm_info_set_phy_address().
 172  * A negative error code is returned if the port is invalid.
 173  */
 174 int fm_info_get_phy_address(enum fm_port port)
 175 {
 176         int i = fm_port_to_index(port);
 177
 178         if (i == -1)
 179                 return -1;
 180
 181         return fm_info[i].phy_addr;
 182 }
 183
 184 /*
 185  * Returns the type of the data interface between the given MAC and its PHY.
 186  * This is typically determined by the RCW.
 187  */
 188 phy_interface_t fm_info_get_enet_if(enum fm_port port)
 189 {
 190         int i = fm_port_to_index(port);
 191
 192         if (i == -1)
 193                 return PHY_INTERFACE_MODE_NONE;
 194
 195         if (fm_info[i].enabled)
 196                 return fm_info[i].enet_if;
 197
 198         return PHY_INTERFACE_MODE_NONE;
 199 }
 200
 201 static void
 202 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 203                                 enum fm_port port, int offset)
 204 {
 205         return ;
 206 }
 207
 208 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 209                                 enum fm_port port, int offset)
 210          __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));
 211
 212 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 213 {
 214         int off;
 215         uint32_t ph;
 216         phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
 217         u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
 218                                 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
 219
 220         off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 221
 222         if (info->enabled) {
 223                 fdt_fixup_phy_connection(blob, off, info->enet_if);
 224                 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
 225                 return ;
 226         }
 227
 228 #ifdef CONFIG_SYS_FMAN_V3
 229         /*
 230          * Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when
 231          * FM1_10GEC1 is enabled and  FM1_DTSEC9 is disabled, ensure that the
 232          * dual-role MAC is not disabled, ditto for other dual-role MACs.
 233          */
 234         if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1)))       ||
 235             ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2)))      ||
 236             ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9)))       ||
 237             ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10)))
 238 #if (CONFIG_SYS_NUM_FMAN == 2)
 239                                                                                 ||
 240             ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1)))       ||
 241             ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2)))      ||
 242             ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9)))       ||
 243             ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
 244 #endif
 245         )
 246                 return;
 247 #endif
 248         /* board code might have caused offset to change */
 249         off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 250
 251         /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
 252         if (paddr != dtsec1_addr)
 253                 fdt_status_disabled(blob, off); /* disable the MAC node */
 254
 255         /* disable the fsl,dpa-ethernet node that points to the MAC */
 256         ph = fdt_get_phandle(blob, off);
 257         do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
 258                 "status", "disabled", strlen("disabled") + 1, 1);
 259 }
 260
 261 void fdt_fixup_fman_ethernet(void *blob)
 262 {
 263         int i;
 264
 265 #ifdef CONFIG_SYS_FMAN_V3
 266         for (i = 0; i < ARRAY_SIZE(fm_info); i++)
 267                 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
 268 #else
 269         for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 270                 if (fm_info[i].type == FM_ETH_1G_E)
 271                         ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
 272                 else
 273                         ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
 274         }
 275 #endif
 276 }