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_FM2_10GEC >= 1) 78 FM_TGEC_INFO_INITIALIZER(2, 1), 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 fm_info[i].enabled = 0; 152 fman_disable_port(port); 153 } 154 155 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) 156 { 157 int i = fm_port_to_index(port); 158 159 if (i == -1) 160 return; 161 162 fm_info[i].bus = bus; 163 } 164 165 void fm_info_set_phy_address(enum fm_port port, int address) 166 { 167 int i = fm_port_to_index(port); 168 169 if (i == -1) 170 return; 171 172 fm_info[i].phy_addr = address; 173 } 174 175 /* 176 * Returns the PHY address for a given Fman port 177 * 178 * The port must be set via a prior call to fm_info_set_phy_address(). 179 * A negative error code is returned if the port is invalid. 180 */ 181 int fm_info_get_phy_address(enum fm_port port) 182 { 183 int i = fm_port_to_index(port); 184 185 if (i == -1) 186 return -1; 187 188 return fm_info[i].phy_addr; 189 } 190 191 /* 192 * Returns the type of the data interface between the given MAC and its PHY. 193 * This is typically determined by the RCW. 194 */ 195 phy_interface_t fm_info_get_enet_if(enum fm_port port) 196 { 197 int i = fm_port_to_index(port); 198 199 if (i == -1) 200 return PHY_INTERFACE_MODE_NONE; 201 202 if (fm_info[i].enabled) 203 return fm_info[i].enet_if; 204 205 return PHY_INTERFACE_MODE_NONE; 206 } 207 208 static void 209 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 210 enum fm_port port, int offset) 211 { 212 return ; 213 } 214 215 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 216 enum fm_port port, int offset) 217 __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); 218 219 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) 220 { 221 int off; 222 uint32_t ph; 223 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; 224 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS + 225 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET; 226 227 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 228 229 if (info->enabled) { 230 fdt_fixup_phy_connection(blob, off, info->enet_if); 231 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); 232 return ; 233 } 234 235 /* board code might have caused offset to change */ 236 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 237 238 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */ 239 if (paddr != dtsec1_addr) 240 fdt_status_disabled(blob, off); /* disable the MAC node */ 241 242 /* disable the fsl,dpa-ethernet node that points to the MAC */ 243 ph = fdt_get_phandle(blob, off); 244 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), 245 "status", "disabled", strlen("disabled") + 1, 1); 246 } 247 248 void fdt_fixup_fman_ethernet(void *blob) 249 { 250 int i; 251 252 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 253 if (fm_info[i].type == FM_ETH_1G_E) 254 ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac"); 255 else 256 ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac"); 257 } 258 } 259