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_FM2_DTSEC >= 1) 42 FM_DTSEC_INFO_INITIALIZER(2, 1), 43 #endif 44 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2) 45 FM_DTSEC_INFO_INITIALIZER(2, 2), 46 #endif 47 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3) 48 FM_DTSEC_INFO_INITIALIZER(2, 3), 49 #endif 50 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4) 51 FM_DTSEC_INFO_INITIALIZER(2, 4), 52 #endif 53 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5) 54 FM_DTSEC_INFO_INITIALIZER(2, 5), 55 #endif 56 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1) 57 FM_TGEC_INFO_INITIALIZER(1, 1), 58 #endif 59 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1) 60 FM_TGEC_INFO_INITIALIZER(2, 1), 61 #endif 62 }; 63 64 int fm_standard_init(bd_t *bis) 65 { 66 int i; 67 struct ccsr_fman *reg; 68 69 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR; 70 if (fm_init_common(0, reg)) 71 return 0; 72 73 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 74 if ((fm_info[i].enabled) && (fm_info[i].index == 1)) 75 fm_eth_initialize(reg, &fm_info[i]); 76 } 77 78 #if (CONFIG_SYS_NUM_FMAN == 2) 79 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR; 80 if (fm_init_common(1, reg)) 81 return 0; 82 83 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 84 if ((fm_info[i].enabled) && (fm_info[i].index == 2)) 85 fm_eth_initialize(reg, &fm_info[i]); 86 } 87 #endif 88 89 return 1; 90 } 91 92 /* simple linear search to map from port to array index */ 93 static int fm_port_to_index(enum fm_port port) 94 { 95 int i; 96 97 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 98 if (fm_info[i].port == port) 99 return i; 100 } 101 102 return -1; 103 } 104 105 /* 106 * Determine if an interface is actually active based on HW config 107 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if 108 * the interface is not active based on HW cfg of the SoC 109 */ 110 void fman_enet_init(void) 111 { 112 int i; 113 114 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 115 phy_interface_t enet_if; 116 117 enet_if = fman_port_enet_if(fm_info[i].port); 118 if (enet_if != PHY_INTERFACE_MODE_NONE) { 119 fm_info[i].enabled = 1; 120 fm_info[i].enet_if = enet_if; 121 } else { 122 fm_info[i].enabled = 0; 123 } 124 } 125 126 return ; 127 } 128 129 void fm_disable_port(enum fm_port port) 130 { 131 int i = fm_port_to_index(port); 132 133 fm_info[i].enabled = 0; 134 fman_disable_port(port); 135 } 136 137 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) 138 { 139 int i = fm_port_to_index(port); 140 141 if (i == -1) 142 return; 143 144 fm_info[i].bus = bus; 145 } 146 147 void fm_info_set_phy_address(enum fm_port port, int address) 148 { 149 int i = fm_port_to_index(port); 150 151 if (i == -1) 152 return; 153 154 fm_info[i].phy_addr = address; 155 } 156 157 /* 158 * Returns the PHY address for a given Fman port 159 * 160 * The port must be set via a prior call to fm_info_set_phy_address(). 161 * A negative error code is returned if the port is invalid. 162 */ 163 int fm_info_get_phy_address(enum fm_port port) 164 { 165 int i = fm_port_to_index(port); 166 167 if (i == -1) 168 return -1; 169 170 return fm_info[i].phy_addr; 171 } 172 173 /* 174 * Returns the type of the data interface between the given MAC and its PHY. 175 * This is typically determined by the RCW. 176 */ 177 phy_interface_t fm_info_get_enet_if(enum fm_port port) 178 { 179 int i = fm_port_to_index(port); 180 181 if (i == -1) 182 return PHY_INTERFACE_MODE_NONE; 183 184 if (fm_info[i].enabled) 185 return fm_info[i].enet_if; 186 187 return PHY_INTERFACE_MODE_NONE; 188 } 189 190 static void 191 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 192 enum fm_port port, int offset) 193 { 194 return ; 195 } 196 197 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 198 enum fm_port port, int offset) 199 __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); 200 201 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) 202 { 203 int off; 204 uint32_t ph; 205 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; 206 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS + 207 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET; 208 209 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 210 211 if (info->enabled) { 212 fdt_fixup_phy_connection(blob, off, info->enet_if); 213 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); 214 return ; 215 } 216 217 /* board code might have caused offset to change */ 218 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 219 220 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */ 221 if (paddr != dtsec1_addr) 222 fdt_status_disabled(blob, off); /* disable the MAC node */ 223 224 /* disable the fsl,dpa-ethernet node that points to the MAC */ 225 ph = fdt_get_phandle(blob, off); 226 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), 227 "status", "disabled", strlen("disabled") + 1, 1); 228 } 229 230 void fdt_fixup_fman_ethernet(void *blob) 231 { 232 int i; 233 234 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 235 if (fm_info[i].type == FM_ETH_1G_E) 236 ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac"); 237 else 238 ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac"); 239 } 240 } 241