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_FM1_10GEC >= 1) 54 FM_TGEC_INFO_INITIALIZER(1, 1), 55 #endif 56 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1) 57 FM_TGEC_INFO_INITIALIZER(2, 1), 58 #endif 59 }; 60 61 int fm_standard_init(bd_t *bis) 62 { 63 int i; 64 struct ccsr_fman *reg; 65 66 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR; 67 if (fm_init_common(0, reg)) 68 return 0; 69 70 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 71 if ((fm_info[i].enabled) && (fm_info[i].index == 1)) 72 fm_eth_initialize(reg, &fm_info[i]); 73 } 74 75 #if (CONFIG_SYS_NUM_FMAN == 2) 76 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR; 77 if (fm_init_common(1, reg)) 78 return 0; 79 80 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 81 if ((fm_info[i].enabled) && (fm_info[i].index == 2)) 82 fm_eth_initialize(reg, &fm_info[i]); 83 } 84 #endif 85 86 return 1; 87 } 88 89 /* simple linear search to map from port to array index */ 90 static int fm_port_to_index(enum fm_port port) 91 { 92 int i; 93 94 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 95 if (fm_info[i].port == port) 96 return i; 97 } 98 99 return -1; 100 } 101 102 /* 103 * Determine if an interface is actually active based on HW config 104 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if 105 * the interface is not active based on HW cfg of the SoC 106 */ 107 void fman_enet_init(void) 108 { 109 int i; 110 111 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 112 phy_interface_t enet_if; 113 114 enet_if = fman_port_enet_if(fm_info[i].port); 115 if (enet_if != PHY_INTERFACE_MODE_NONE) { 116 fm_info[i].enabled = 1; 117 fm_info[i].enet_if = enet_if; 118 } else { 119 fm_info[i].enabled = 0; 120 } 121 } 122 123 return ; 124 } 125 126 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) 127 { 128 int i = fm_port_to_index(port); 129 130 if (i == -1) 131 return; 132 133 fm_info[i].bus = bus; 134 } 135 136 void fm_info_set_phy_address(enum fm_port port, int address) 137 { 138 int i = fm_port_to_index(port); 139 140 if (i == -1) 141 return; 142 143 fm_info[i].phy_addr = address; 144 } 145 146 /* 147 * Returns the type of the data interface between the given MAC and its PHY. 148 * This is typically determined by the RCW. 149 */ 150 phy_interface_t fm_info_get_enet_if(enum fm_port port) 151 { 152 int i = fm_port_to_index(port); 153 154 if (i == -1) 155 return PHY_INTERFACE_MODE_NONE; 156 157 if (fm_info[i].enabled) 158 return fm_info[i].enet_if; 159 160 return PHY_INTERFACE_MODE_NONE; 161 } 162 163 static void 164 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 165 enum fm_port port, int offset) 166 { 167 return ; 168 } 169 170 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 171 enum fm_port port, int offset) 172 __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); 173 174 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) 175 { 176 int off, ph; 177 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; 178 179 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 180 181 if (info->enabled) { 182 fdt_fixup_phy_connection(blob, off, info->enet_if); 183 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); 184 return ; 185 } 186 187 /* board code might have caused offset to change */ 188 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 189 190 /* disable both the mac node and the node that has a handle to it */ 191 fdt_setprop_string(blob, off, "status", "disabled"); 192 193 ph = fdt_get_phandle(blob, off); 194 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), 195 "status", "disabled", strlen("disabled") + 1, 1); 196 } 197 198 void fdt_fixup_fman_ethernet(void *blob) 199 { 200 int i; 201 202 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 203 if (fm_info[i].type == FM_ETH_1G_E) 204 ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac"); 205 else 206 ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac"); 207 } 208 } 209