| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * ibm_emac.h |
| 3 | * |
| 4 | * |
| 5 | * Armin Kuster akuster@mvista.com |
| 6 | * June, 2002 |
| 7 | * |
| 8 | * Copyright 2002 MontaVista Softare Inc. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of the GNU General Public License as published by the |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your |
| 13 | * option) any later version. |
| 14 | */ |
| 15 | |
| 16 | #ifndef _IBM_EMAC_H_ |
| 17 | #define _IBM_EMAC_H_ |
| 18 | /* General defines needed for the driver */ |
| 19 | |
| 20 | /* Emac */ |
| 21 | typedef struct emac_regs { |
| 22 | u32 em0mr0; |
| 23 | u32 em0mr1; |
| 24 | u32 em0tmr0; |
| 25 | u32 em0tmr1; |
| 26 | u32 em0rmr; |
| 27 | u32 em0isr; |
| 28 | u32 em0iser; |
| 29 | u32 em0iahr; |
| 30 | u32 em0ialr; |
| 31 | u32 em0vtpid; |
| 32 | u32 em0vtci; |
| 33 | u32 em0ptr; |
| 34 | u32 em0iaht1; |
| 35 | u32 em0iaht2; |
| 36 | u32 em0iaht3; |
| 37 | u32 em0iaht4; |
| 38 | u32 em0gaht1; |
| 39 | u32 em0gaht2; |
| 40 | u32 em0gaht3; |
| 41 | u32 em0gaht4; |
| 42 | u32 em0lsah; |
| 43 | u32 em0lsal; |
| 44 | u32 em0ipgvr; |
| 45 | u32 em0stacr; |
| 46 | u32 em0trtr; |
| 47 | u32 em0rwmr; |
| 48 | } emac_t; |
| 49 | |
| 50 | /* MODE REG 0 */ |
| 51 | #define EMAC_M0_RXI 0x80000000 |
| 52 | #define EMAC_M0_TXI 0x40000000 |
| 53 | #define EMAC_M0_SRST 0x20000000 |
| 54 | #define EMAC_M0_TXE 0x10000000 |
| 55 | #define EMAC_M0_RXE 0x08000000 |
| 56 | #define EMAC_M0_WKE 0x04000000 |
| 57 | |
| 58 | /* MODE Reg 1 */ |
| 59 | #define EMAC_M1_FDE 0x80000000 |
| 60 | #define EMAC_M1_ILE 0x40000000 |
| 61 | #define EMAC_M1_VLE 0x20000000 |
| 62 | #define EMAC_M1_EIFC 0x10000000 |
| 63 | #define EMAC_M1_APP 0x08000000 |
| 64 | #define EMAC_M1_AEMI 0x02000000 |
| 65 | #define EMAC_M1_IST 0x01000000 |
| 66 | #define EMAC_M1_MF_1000GPCS 0x00c00000 /* Internal GPCS */ |
| 67 | #define EMAC_M1_MF_1000MBPS 0x00800000 /* External GPCS */ |
| 68 | #define EMAC_M1_MF_100MBPS 0x00400000 |
| 69 | #define EMAC_M1_RFS_16K 0x00280000 /* 000 for 512 byte */ |
| 70 | #define EMAC_M1_TR 0x00008000 |
| 71 | #ifdef CONFIG_IBM_EMAC4 |
| 72 | #define EMAC_M1_RFS_8K 0x00200000 |
| 73 | #define EMAC_M1_RFS_4K 0x00180000 |
| 74 | #define EMAC_M1_RFS_2K 0x00100000 |
| 75 | #define EMAC_M1_RFS_1K 0x00080000 |
| 76 | #define EMAC_M1_TX_FIFO_16K 0x00050000 /* 0's for 512 byte */ |
| 77 | #define EMAC_M1_TX_FIFO_8K 0x00040000 |
| 78 | #define EMAC_M1_TX_FIFO_4K 0x00030000 |
| 79 | #define EMAC_M1_TX_FIFO_2K 0x00020000 |
| 80 | #define EMAC_M1_TX_FIFO_1K 0x00010000 |
| 81 | #define EMAC_M1_TX_TR 0x00008000 |
| 82 | #define EMAC_M1_TX_MWSW 0x00001000 /* 0 wait for status */ |
| 83 | #define EMAC_M1_JUMBO_ENABLE 0x00000800 /* Upt to 9Kr status */ |
| 84 | #define EMAC_M1_OPB_CLK_66 0x00000008 /* 66Mhz */ |
| 85 | #define EMAC_M1_OPB_CLK_83 0x00000010 /* 83Mhz */ |
| 86 | #define EMAC_M1_OPB_CLK_100 0x00000018 /* 100Mhz */ |
| 87 | #define EMAC_M1_OPB_CLK_100P 0x00000020 /* 100Mhz+ */ |
| 88 | #else /* CONFIG_IBM_EMAC4 */ |
| 89 | #define EMAC_M1_RFS_4K 0x00300000 /* ~4k for 512 byte */ |
| 90 | #define EMAC_M1_RFS_2K 0x00200000 |
| 91 | #define EMAC_M1_RFS_1K 0x00100000 |
| 92 | #define EMAC_M1_TX_FIFO_2K 0x00080000 /* 0's for 512 byte */ |
| 93 | #define EMAC_M1_TX_FIFO_1K 0x00040000 |
| 94 | #define EMAC_M1_TR0_DEPEND 0x00010000 /* 0'x for single packet */ |
| 95 | #define EMAC_M1_TR1_DEPEND 0x00004000 |
| 96 | #define EMAC_M1_TR1_MULTI 0x00002000 |
| 97 | #define EMAC_M1_JUMBO_ENABLE 0x00001000 |
| 98 | #endif /* CONFIG_IBM_EMAC4 */ |
| 99 | #define EMAC_M1_BASE (EMAC_M1_TX_FIFO_2K | \ |
| 100 | EMAC_M1_APP | \ |
| 101 | EMAC_M1_TR | EMAC_M1_VLE) |
| 102 | |
| 103 | /* Transmit Mode Register 0 */ |
| 104 | #define EMAC_TMR0_GNP0 0x80000000 |
| 105 | #define EMAC_TMR0_GNP1 0x40000000 |
| 106 | #define EMAC_TMR0_GNPD 0x20000000 |
| 107 | #define EMAC_TMR0_FC 0x10000000 |
| 108 | #define EMAC_TMR0_TFAE_2_32 0x00000001 |
| 109 | #define EMAC_TMR0_TFAE_4_64 0x00000002 |
| 110 | #define EMAC_TMR0_TFAE_8_128 0x00000003 |
| 111 | #define EMAC_TMR0_TFAE_16_256 0x00000004 |
| 112 | #define EMAC_TMR0_TFAE_32_512 0x00000005 |
| 113 | #define EMAC_TMR0_TFAE_64_1024 0x00000006 |
| 114 | #define EMAC_TMR0_TFAE_128_2048 0x00000007 |
| 115 | |
| 116 | /* Receive Mode Register */ |
| 117 | #define EMAC_RMR_SP 0x80000000 |
| 118 | #define EMAC_RMR_SFCS 0x40000000 |
| 119 | #define EMAC_RMR_ARRP 0x20000000 |
| 120 | #define EMAC_RMR_ARP 0x10000000 |
| 121 | #define EMAC_RMR_AROP 0x08000000 |
| 122 | #define EMAC_RMR_ARPI 0x04000000 |
| 123 | #define EMAC_RMR_PPP 0x02000000 |
| 124 | #define EMAC_RMR_PME 0x01000000 |
| 125 | #define EMAC_RMR_PMME 0x00800000 |
| 126 | #define EMAC_RMR_IAE 0x00400000 |
| 127 | #define EMAC_RMR_MIAE 0x00200000 |
| 128 | #define EMAC_RMR_BAE 0x00100000 |
| 129 | #define EMAC_RMR_MAE 0x00080000 |
| 130 | #define EMAC_RMR_RFAF_2_32 0x00000001 |
| 131 | #define EMAC_RMR_RFAF_4_64 0x00000002 |
| 132 | #define EMAC_RMR_RFAF_8_128 0x00000003 |
| 133 | #define EMAC_RMR_RFAF_16_256 0x00000004 |
| 134 | #define EMAC_RMR_RFAF_32_512 0x00000005 |
| 135 | #define EMAC_RMR_RFAF_64_1024 0x00000006 |
| 136 | #define EMAC_RMR_RFAF_128_2048 0x00000007 |
| 137 | #define EMAC_RMR_BASE (EMAC_RMR_IAE | EMAC_RMR_BAE) |
| 138 | |
| 139 | /* Interrupt Status & enable Regs */ |
| 140 | #define EMAC_ISR_OVR 0x02000000 |
| 141 | #define EMAC_ISR_PP 0x01000000 |
| 142 | #define EMAC_ISR_BP 0x00800000 |
| 143 | #define EMAC_ISR_RP 0x00400000 |
| 144 | #define EMAC_ISR_SE 0x00200000 |
| 145 | #define EMAC_ISR_ALE 0x00100000 |
| 146 | #define EMAC_ISR_BFCS 0x00080000 |
| 147 | #define EMAC_ISR_PTLE 0x00040000 |
| 148 | #define EMAC_ISR_ORE 0x00020000 |
| 149 | #define EMAC_ISR_IRE 0x00010000 |
| 150 | #define EMAC_ISR_DBDM 0x00000200 |
| 151 | #define EMAC_ISR_DB0 0x00000100 |
| 152 | #define EMAC_ISR_SE0 0x00000080 |
| 153 | #define EMAC_ISR_TE0 0x00000040 |
| 154 | #define EMAC_ISR_DB1 0x00000020 |
| 155 | #define EMAC_ISR_SE1 0x00000010 |
| 156 | #define EMAC_ISR_TE1 0x00000008 |
| 157 | #define EMAC_ISR_MOS 0x00000002 |
| 158 | #define EMAC_ISR_MOF 0x00000001 |
| 159 | |
| 160 | /* STA CONTROL REG */ |
| 161 | #define EMAC_STACR_OC 0x00008000 |
| 162 | #define EMAC_STACR_PHYE 0x00004000 |
| 163 | #define EMAC_STACR_WRITE 0x00002000 |
| 164 | #define EMAC_STACR_READ 0x00001000 |
| 165 | #define EMAC_STACR_CLK_83MHZ 0x00000800 /* 0's for 50Mhz */ |
| 166 | #define EMAC_STACR_CLK_66MHZ 0x00000400 |
| 167 | #define EMAC_STACR_CLK_100MHZ 0x00000C00 |
| 168 | |
| 169 | /* Transmit Request Threshold Register */ |
| 170 | #define EMAC_TRTR_1600 0x18000000 /* 0's for 64 Bytes */ |
| 171 | #define EMAC_TRTR_1024 0x0f000000 |
| 172 | #define EMAC_TRTR_512 0x07000000 |
| 173 | #define EMAC_TRTR_256 0x03000000 |
| 174 | #define EMAC_TRTR_192 0x10000000 |
| 175 | #define EMAC_TRTR_128 0x01000000 |
| 176 | |
| 177 | #define EMAC_TX_CTRL_GFCS 0x0200 |
| 178 | #define EMAC_TX_CTRL_GP 0x0100 |
| 179 | #define EMAC_TX_CTRL_ISA 0x0080 |
| 180 | #define EMAC_TX_CTRL_RSA 0x0040 |
| 181 | #define EMAC_TX_CTRL_IVT 0x0020 |
| 182 | #define EMAC_TX_CTRL_RVT 0x0010 |
| 183 | #define EMAC_TX_CTRL_TAH_CSUM 0x000e /* TAH only */ |
| 184 | #define EMAC_TX_CTRL_TAH_SEG4 0x000a /* TAH only */ |
| 185 | #define EMAC_TX_CTRL_TAH_SEG3 0x0008 /* TAH only */ |
| 186 | #define EMAC_TX_CTRL_TAH_SEG2 0x0006 /* TAH only */ |
| 187 | #define EMAC_TX_CTRL_TAH_SEG1 0x0004 /* TAH only */ |
| 188 | #define EMAC_TX_CTRL_TAH_SEG0 0x0002 /* TAH only */ |
| 189 | #define EMAC_TX_CTRL_TAH_DIS 0x0000 /* TAH only */ |
| 190 | |
| 191 | #define EMAC_TX_CTRL_DFLT ( \ |
| 192 | MAL_TX_CTRL_INTR | EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP ) |
| 193 | |
| 194 | /* madmal transmit status / Control bits */ |
| 195 | #define EMAC_TX_ST_BFCS 0x0200 |
| 196 | #define EMAC_TX_ST_BPP 0x0100 |
| 197 | #define EMAC_TX_ST_LCS 0x0080 |
| 198 | #define EMAC_TX_ST_ED 0x0040 |
| 199 | #define EMAC_TX_ST_EC 0x0020 |
| 200 | #define EMAC_TX_ST_LC 0x0010 |
| 201 | #define EMAC_TX_ST_MC 0x0008 |
| 202 | #define EMAC_TX_ST_SC 0x0004 |
| 203 | #define EMAC_TX_ST_UR 0x0002 |
| 204 | #define EMAC_TX_ST_SQE 0x0001 |
| 205 | |
| 206 | /* madmal receive status / Control bits */ |
| 207 | #define EMAC_RX_ST_OE 0x0200 |
| 208 | #define EMAC_RX_ST_PP 0x0100 |
| 209 | #define EMAC_RX_ST_BP 0x0080 |
| 210 | #define EMAC_RX_ST_RP 0x0040 |
| 211 | #define EMAC_RX_ST_SE 0x0020 |
| 212 | #define EMAC_RX_ST_AE 0x0010 |
| 213 | #define EMAC_RX_ST_BFCS 0x0008 |
| 214 | #define EMAC_RX_ST_PTL 0x0004 |
| 215 | #define EMAC_RX_ST_ORE 0x0002 |
| 216 | #define EMAC_RX_ST_IRE 0x0001 |
| 217 | #define EMAC_BAD_RX_PACKET 0x02ff |
| 218 | #define EMAC_CSUM_VER_ERROR 0x0003 |
| 219 | |
| 220 | /* identify a bad rx packet dependent on emac features */ |
| 221 | #ifdef CONFIG_IBM_EMAC4 |
| 222 | #define EMAC_IS_BAD_RX_PACKET(desc) \ |
| 223 | (((desc & (EMAC_BAD_RX_PACKET & ~EMAC_CSUM_VER_ERROR)) || \ |
| 224 | ((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_ORE) || \ |
| 225 | ((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_IRE))) |
| 226 | #else |
| 227 | #define EMAC_IS_BAD_RX_PACKET(desc) \ |
| 228 | (desc & EMAC_BAD_RX_PACKET) |
| 229 | #endif |
| 230 | |
| 231 | /* SoC implementation specific EMAC register defaults */ |
| 232 | #if defined(CONFIG_440GP) |
| 233 | #define EMAC_RWMR_DEFAULT 0x80009000 |
| 234 | #define EMAC_TMR0_DEFAULT 0x00000000 |
| 235 | #define EMAC_TMR1_DEFAULT 0xf8640000 |
| 236 | #elif defined(CONFIG_440GX) |
| 237 | #define EMAC_RWMR_DEFAULT 0x1000a200 |
| 238 | #define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_2_32 |
| 239 | #define EMAC_TMR1_DEFAULT 0xa00f0000 |
| 240 | #elif defined(CONFIG_440SP) |
| 241 | #define EMAC_RWMR_DEFAULT 0x08002000 |
| 242 | #define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_128_2048 |
| 243 | #define EMAC_TMR1_DEFAULT 0xf8200000 |
| 244 | #else |
| 245 | #define EMAC_RWMR_DEFAULT 0x0f002000 |
| 246 | #define EMAC_TMR0_DEFAULT 0x00000000 |
| 247 | #define EMAC_TMR1_DEFAULT 0x380f0000 |
| 248 | #endif /* CONFIG_440GP */ |
| 249 | |
| 250 | /* Revision specific EMAC register defaults */ |
| 251 | #ifdef CONFIG_IBM_EMAC4 |
| 252 | #define EMAC_M1_DEFAULT (EMAC_M1_BASE | \ |
| 253 | EMAC_M1_OPB_CLK_83 | \ |
| 254 | EMAC_M1_TX_MWSW) |
| 255 | #define EMAC_RMR_DEFAULT (EMAC_RMR_BASE | \ |
| 256 | EMAC_RMR_RFAF_128_2048) |
| 257 | #define EMAC_TMR0_XMIT (EMAC_TMR0_GNP0 | \ |
| 258 | EMAC_TMR0_DEFAULT) |
| 259 | #define EMAC_TRTR_DEFAULT EMAC_TRTR_1024 |
| 260 | #else /* !CONFIG_IBM_EMAC4 */ |
| 261 | #define EMAC_M1_DEFAULT EMAC_M1_BASE |
| 262 | #define EMAC_RMR_DEFAULT EMAC_RMR_BASE |
| 263 | #define EMAC_TMR0_XMIT EMAC_TMR0_GNP0 |
| 264 | #define EMAC_TRTR_DEFAULT EMAC_TRTR_1600 |
| 265 | #endif /* CONFIG_IBM_EMAC4 */ |
| 266 | |
| 267 | #endif |