1 /* 2 * Copyright 2011 Freescale Semiconductor, Inc. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 #include <common.h> 20 #include <asm/io.h> 21 #include <asm/fsl_serdes.h> 22 23 #include "fm.h" 24 25 struct fm_eth_info fm_info[] = { 26 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1) 27 FM_DTSEC_INFO_INITIALIZER(1, 1), 28 #endif 29 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2) 30 FM_DTSEC_INFO_INITIALIZER(1, 2), 31 #endif 32 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3) 33 FM_DTSEC_INFO_INITIALIZER(1, 3), 34 #endif 35 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4) 36 FM_DTSEC_INFO_INITIALIZER(1, 4), 37 #endif 38 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5) 39 FM_DTSEC_INFO_INITIALIZER(1, 5), 40 #endif 41 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6) 42 FM_DTSEC_INFO_INITIALIZER(1, 6), 43 #endif 44 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7) 45 FM_DTSEC_INFO_INITIALIZER(1, 9), 46 #endif 47 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8) 48 FM_DTSEC_INFO_INITIALIZER(1, 10), 49 #endif 50 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1) 51 FM_DTSEC_INFO_INITIALIZER(2, 1), 52 #endif 53 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2) 54 FM_DTSEC_INFO_INITIALIZER(2, 2), 55 #endif 56 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3) 57 FM_DTSEC_INFO_INITIALIZER(2, 3), 58 #endif 59 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4) 60 FM_DTSEC_INFO_INITIALIZER(2, 4), 61 #endif 62 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5) 63 FM_DTSEC_INFO_INITIALIZER(2, 5), 64 #endif 65 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6) 66 FM_DTSEC_INFO_INITIALIZER(2, 6), 67 #endif 68 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7) 69 FM_DTSEC_INFO_INITIALIZER(2, 9), 70 #endif 71 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8) 72 FM_DTSEC_INFO_INITIALIZER(2, 10), 73 #endif 74 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1) 75 FM_TGEC_INFO_INITIALIZER(1, 1), 76 #endif 77 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2) 78 FM_TGEC_INFO_INITIALIZER(1, 2), 79 #endif 80 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1) 81 FM_TGEC_INFO_INITIALIZER(2, 1), 82 #endif 83 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2) 84 FM_TGEC_INFO_INITIALIZER(2, 2), 85 #endif 86 }; 87 88 int fm_standard_init(bd_t *bis) 89 { 90 int i; 91 struct ccsr_fman *reg; 92 93 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR; 94 if (fm_init_common(0, reg)) 95 return 0; 96 97 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 98 if ((fm_info[i].enabled) && (fm_info[i].index == 1)) 99 fm_eth_initialize(reg, &fm_info[i]); 100 } 101 102 #if (CONFIG_SYS_NUM_FMAN == 2) 103 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR; 104 if (fm_init_common(1, reg)) 105 return 0; 106 107 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 108 if ((fm_info[i].enabled) && (fm_info[i].index == 2)) 109 fm_eth_initialize(reg, &fm_info[i]); 110 } 111 #endif 112 113 return 1; 114 } 115 116 /* simple linear search to map from port to array index */ 117 static int fm_port_to_index(enum fm_port port) 118 { 119 int i; 120 121 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 122 if (fm_info[i].port == port) 123 return i; 124 } 125 126 return -1; 127 } 128 129 /* 130 * Determine if an interface is actually active based on HW config 131 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if 132 * the interface is not active based on HW cfg of the SoC 133 */ 134 void fman_enet_init(void) 135 { 136 int i; 137 138 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 139 phy_interface_t enet_if; 140 141 enet_if = fman_port_enet_if(fm_info[i].port); 142 if (enet_if != PHY_INTERFACE_MODE_NONE) { 143 fm_info[i].enabled = 1; 144 fm_info[i].enet_if = enet_if; 145 } else { 146 fm_info[i].enabled = 0; 147 } 148 } 149 150 return ; 151 } 152 153 void fm_disable_port(enum fm_port port) 154 { 155 int i = fm_port_to_index(port); 156 157 fm_info[i].enabled = 0; 158 fman_disable_port(port); 159 } 160 161 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) 162 { 163 int i = fm_port_to_index(port); 164 165 if (i == -1) 166 return; 167 168 fm_info[i].bus = bus; 169 } 170 171 void fm_info_set_phy_address(enum fm_port port, int address) 172 { 173 int i = fm_port_to_index(port); 174 175 if (i == -1) 176 return; 177 178 fm_info[i].phy_addr = address; 179 } 180 181 /* 182 * Returns the PHY address for a given Fman port 183 * 184 * The port must be set via a prior call to fm_info_set_phy_address(). 185 * A negative error code is returned if the port is invalid. 186 */ 187 int fm_info_get_phy_address(enum fm_port port) 188 { 189 int i = fm_port_to_index(port); 190 191 if (i == -1) 192 return -1; 193 194 return fm_info[i].phy_addr; 195 } 196 197 /* 198 * Returns the type of the data interface between the given MAC and its PHY. 199 * This is typically determined by the RCW. 200 */ 201 phy_interface_t fm_info_get_enet_if(enum fm_port port) 202 { 203 int i = fm_port_to_index(port); 204 205 if (i == -1) 206 return PHY_INTERFACE_MODE_NONE; 207 208 if (fm_info[i].enabled) 209 return fm_info[i].enet_if; 210 211 return PHY_INTERFACE_MODE_NONE; 212 } 213 214 static void 215 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 216 enum fm_port port, int offset) 217 { 218 return ; 219 } 220 221 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 222 enum fm_port port, int offset) 223 __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); 224 225 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) 226 { 227 int off; 228 uint32_t ph; 229 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; 230 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS + 231 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET; 232 233 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 234 235 if (info->enabled) { 236 fdt_fixup_phy_connection(blob, off, info->enet_if); 237 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); 238 return ; 239 } 240 241 #ifdef CONFIG_SYS_FMAN_V3 242 /* 243 * Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when 244 * FM1_10GEC1 is enabled and FM1_DTSEC9 is disabled, ensure that the 245 * dual-role MAC is not disabled, ditto for other dual-role MACs. 246 */ 247 if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1))) || 248 ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) || 249 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9))) || 250 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) 251 #if (CONFIG_SYS_NUM_FMAN == 2) 252 || 253 ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1))) || 254 ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2))) || 255 ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9))) || 256 ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10))) 257 #endif 258 ) 259 return; 260 #endif 261 /* board code might have caused offset to change */ 262 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 263 264 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */ 265 if (paddr != dtsec1_addr) 266 fdt_status_disabled(blob, off); /* disable the MAC node */ 267 268 /* disable the fsl,dpa-ethernet node that points to the MAC */ 269 ph = fdt_get_phandle(blob, off); 270 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), 271 "status", "disabled", strlen("disabled") + 1, 1); 272 } 273 274 void fdt_fixup_fman_ethernet(void *blob) 275 { 276 int i; 277 278 #ifdef CONFIG_SYS_FMAN_V3 279 for (i = 0; i < ARRAY_SIZE(fm_info); i++) 280 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac"); 281 #else 282 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 283 if (fm_info[i].type == FM_ETH_1G_E) 284 ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac"); 285 else 286 ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac"); 287 } 288 #endif 289 } 290