/* * ibm_emac.h * * * Armin Kuster akuster@mvista.com * June, 2002 * * Copyright 2002 MontaVista Softare Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #ifndef _IBM_EMAC_H_ #define _IBM_EMAC_H_ /* General defines needed for the driver */ /* Emac */ typedef struct emac_regs { u32 em0mr0; u32 em0mr1; u32 em0tmr0; u32 em0tmr1; u32 em0rmr; u32 em0isr; u32 em0iser; u32 em0iahr; u32 em0ialr; u32 em0vtpid; u32 em0vtci; u32 em0ptr; u32 em0iaht1; u32 em0iaht2; u32 em0iaht3; u32 em0iaht4; u32 em0gaht1; u32 em0gaht2; u32 em0gaht3; u32 em0gaht4; u32 em0lsah; u32 em0lsal; u32 em0ipgvr; u32 em0stacr; u32 em0trtr; u32 em0rwmr; } emac_t; /* MODE REG 0 */ #define EMAC_M0_RXI 0x80000000 #define EMAC_M0_TXI 0x40000000 #define EMAC_M0_SRST 0x20000000 #define EMAC_M0_TXE 0x10000000 #define EMAC_M0_RXE 0x08000000 #define EMAC_M0_WKE 0x04000000 /* MODE Reg 1 */ #define EMAC_M1_FDE 0x80000000 #define EMAC_M1_ILE 0x40000000 #define EMAC_M1_VLE 0x20000000 #define EMAC_M1_EIFC 0x10000000 #define EMAC_M1_APP 0x08000000 #define EMAC_M1_AEMI 0x02000000 #define EMAC_M1_IST 0x01000000 #define EMAC_M1_MF_1000GPCS 0x00c00000 /* Internal GPCS */ #define EMAC_M1_MF_1000MBPS 0x00800000 /* External GPCS */ #define EMAC_M1_MF_100MBPS 0x00400000 #define EMAC_M1_RFS_16K 0x00280000 /* 000 for 512 byte */ #define EMAC_M1_TR 0x00008000 #ifdef CONFIG_IBM_EMAC4 #define EMAC_M1_RFS_8K 0x00200000 #define EMAC_M1_RFS_4K 0x00180000 #define EMAC_M1_RFS_2K 0x00100000 #define EMAC_M1_RFS_1K 0x00080000 #define EMAC_M1_TX_FIFO_16K 0x00050000 /* 0's for 512 byte */ #define EMAC_M1_TX_FIFO_8K 0x00040000 #define EMAC_M1_TX_FIFO_4K 0x00030000 #define EMAC_M1_TX_FIFO_2K 0x00020000 #define EMAC_M1_TX_FIFO_1K 0x00010000 #define EMAC_M1_TX_TR 0x00008000 #define EMAC_M1_TX_MWSW 0x00001000 /* 0 wait for status */ #define EMAC_M1_JUMBO_ENABLE 0x00000800 /* Upt to 9Kr status */ #define EMAC_M1_OPB_CLK_66 0x00000008 /* 66Mhz */ #define EMAC_M1_OPB_CLK_83 0x00000010 /* 83Mhz */ #define EMAC_M1_OPB_CLK_100 0x00000018 /* 100Mhz */ #define EMAC_M1_OPB_CLK_100P 0x00000020 /* 100Mhz+ */ #else /* CONFIG_IBM_EMAC4 */ #define EMAC_M1_RFS_4K 0x00300000 /* ~4k for 512 byte */ #define EMAC_M1_RFS_2K 0x00200000 #define EMAC_M1_RFS_1K 0x00100000 #define EMAC_M1_TX_FIFO_2K 0x00080000 /* 0's for 512 byte */ #define EMAC_M1_TX_FIFO_1K 0x00040000 #define EMAC_M1_TR0_DEPEND 0x00010000 /* 0'x for single packet */ #define EMAC_M1_TR1_DEPEND 0x00004000 #define EMAC_M1_TR1_MULTI 0x00002000 #define EMAC_M1_JUMBO_ENABLE 0x00001000 #endif /* CONFIG_IBM_EMAC4 */ #define EMAC_M1_BASE (EMAC_M1_TX_FIFO_2K | \ EMAC_M1_APP | \ EMAC_M1_TR | EMAC_M1_VLE) /* Transmit Mode Register 0 */ #define EMAC_TMR0_GNP0 0x80000000 #define EMAC_TMR0_GNP1 0x40000000 #define EMAC_TMR0_GNPD 0x20000000 #define EMAC_TMR0_FC 0x10000000 #define EMAC_TMR0_TFAE_2_32 0x00000001 #define EMAC_TMR0_TFAE_4_64 0x00000002 #define EMAC_TMR0_TFAE_8_128 0x00000003 #define EMAC_TMR0_TFAE_16_256 0x00000004 #define EMAC_TMR0_TFAE_32_512 0x00000005 #define EMAC_TMR0_TFAE_64_1024 0x00000006 #define EMAC_TMR0_TFAE_128_2048 0x00000007 /* Receive Mode Register */ #define EMAC_RMR_SP 0x80000000 #define EMAC_RMR_SFCS 0x40000000 #define EMAC_RMR_ARRP 0x20000000 #define EMAC_RMR_ARP 0x10000000 #define EMAC_RMR_AROP 0x08000000 #define EMAC_RMR_ARPI 0x04000000 #define EMAC_RMR_PPP 0x02000000 #define EMAC_RMR_PME 0x01000000 #define EMAC_RMR_PMME 0x00800000 #define EMAC_RMR_IAE 0x00400000 #define EMAC_RMR_MIAE 0x00200000 #define EMAC_RMR_BAE 0x00100000 #define EMAC_RMR_MAE 0x00080000 #define EMAC_RMR_RFAF_2_32 0x00000001 #define EMAC_RMR_RFAF_4_64 0x00000002 #define EMAC_RMR_RFAF_8_128 0x00000003 #define EMAC_RMR_RFAF_16_256 0x00000004 #define EMAC_RMR_RFAF_32_512 0x00000005 #define EMAC_RMR_RFAF_64_1024 0x00000006 #define EMAC_RMR_RFAF_128_2048 0x00000007 #define EMAC_RMR_BASE (EMAC_RMR_IAE | EMAC_RMR_BAE) /* Interrupt Status & enable Regs */ #define EMAC_ISR_OVR 0x02000000 #define EMAC_ISR_PP 0x01000000 #define EMAC_ISR_BP 0x00800000 #define EMAC_ISR_RP 0x00400000 #define EMAC_ISR_SE 0x00200000 #define EMAC_ISR_ALE 0x00100000 #define EMAC_ISR_BFCS 0x00080000 #define EMAC_ISR_PTLE 0x00040000 #define EMAC_ISR_ORE 0x00020000 #define EMAC_ISR_IRE 0x00010000 #define EMAC_ISR_DBDM 0x00000200 #define EMAC_ISR_DB0 0x00000100 #define EMAC_ISR_SE0 0x00000080 #define EMAC_ISR_TE0 0x00000040 #define EMAC_ISR_DB1 0x00000020 #define EMAC_ISR_SE1 0x00000010 #define EMAC_ISR_TE1 0x00000008 #define EMAC_ISR_MOS 0x00000002 #define EMAC_ISR_MOF 0x00000001 /* STA CONTROL REG */ #define EMAC_STACR_OC 0x00008000 #define EMAC_STACR_PHYE 0x00004000 #define EMAC_STACR_WRITE 0x00002000 #define EMAC_STACR_READ 0x00001000 #define EMAC_STACR_CLK_83MHZ 0x00000800 /* 0's for 50Mhz */ #define EMAC_STACR_CLK_66MHZ 0x00000400 #define EMAC_STACR_CLK_100MHZ 0x00000C00 /* Transmit Request Threshold Register */ #define EMAC_TRTR_1600 0x18000000 /* 0's for 64 Bytes */ #define EMAC_TRTR_1024 0x0f000000 #define EMAC_TRTR_512 0x07000000 #define EMAC_TRTR_256 0x03000000 #define EMAC_TRTR_192 0x10000000 #define EMAC_TRTR_128 0x01000000 #define EMAC_TX_CTRL_GFCS 0x0200 #define EMAC_TX_CTRL_GP 0x0100 #define EMAC_TX_CTRL_ISA 0x0080 #define EMAC_TX_CTRL_RSA 0x0040 #define EMAC_TX_CTRL_IVT 0x0020 #define EMAC_TX_CTRL_RVT 0x0010 #define EMAC_TX_CTRL_TAH_CSUM 0x000e /* TAH only */ #define EMAC_TX_CTRL_TAH_SEG4 0x000a /* TAH only */ #define EMAC_TX_CTRL_TAH_SEG3 0x0008 /* TAH only */ #define EMAC_TX_CTRL_TAH_SEG2 0x0006 /* TAH only */ #define EMAC_TX_CTRL_TAH_SEG1 0x0004 /* TAH only */ #define EMAC_TX_CTRL_TAH_SEG0 0x0002 /* TAH only */ #define EMAC_TX_CTRL_TAH_DIS 0x0000 /* TAH only */ #define EMAC_TX_CTRL_DFLT ( \ MAL_TX_CTRL_INTR | EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP ) /* madmal transmit status / Control bits */ #define EMAC_TX_ST_BFCS 0x0200 #define EMAC_TX_ST_BPP 0x0100 #define EMAC_TX_ST_LCS 0x0080 #define EMAC_TX_ST_ED 0x0040 #define EMAC_TX_ST_EC 0x0020 #define EMAC_TX_ST_LC 0x0010 #define EMAC_TX_ST_MC 0x0008 #define EMAC_TX_ST_SC 0x0004 #define EMAC_TX_ST_UR 0x0002 #define EMAC_TX_ST_SQE 0x0001 /* madmal receive status / Control bits */ #define EMAC_RX_ST_OE 0x0200 #define EMAC_RX_ST_PP 0x0100 #define EMAC_RX_ST_BP 0x0080 #define EMAC_RX_ST_RP 0x0040 #define EMAC_RX_ST_SE 0x0020 #define EMAC_RX_ST_AE 0x0010 #define EMAC_RX_ST_BFCS 0x0008 #define EMAC_RX_ST_PTL 0x0004 #define EMAC_RX_ST_ORE 0x0002 #define EMAC_RX_ST_IRE 0x0001 #define EMAC_BAD_RX_PACKET 0x02ff #define EMAC_CSUM_VER_ERROR 0x0003 /* identify a bad rx packet dependent on emac features */ #ifdef CONFIG_IBM_EMAC4 #define EMAC_IS_BAD_RX_PACKET(desc) \ (((desc & (EMAC_BAD_RX_PACKET & ~EMAC_CSUM_VER_ERROR)) || \ ((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_ORE) || \ ((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_IRE))) #else #define EMAC_IS_BAD_RX_PACKET(desc) \ (desc & EMAC_BAD_RX_PACKET) #endif /* SoC implementation specific EMAC register defaults */ #if defined(CONFIG_440GP) #define EMAC_RWMR_DEFAULT 0x80009000 #define EMAC_TMR0_DEFAULT 0x00000000 #define EMAC_TMR1_DEFAULT 0xf8640000 #elif defined(CONFIG_440GX) #define EMAC_RWMR_DEFAULT 0x1000a200 #define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_2_32 #define EMAC_TMR1_DEFAULT 0xa00f0000 #elif defined(CONFIG_440SP) #define EMAC_RWMR_DEFAULT 0x08002000 #define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_128_2048 #define EMAC_TMR1_DEFAULT 0xf8200000 #else #define EMAC_RWMR_DEFAULT 0x0f002000 #define EMAC_TMR0_DEFAULT 0x00000000 #define EMAC_TMR1_DEFAULT 0x380f0000 #endif /* CONFIG_440GP */ /* Revision specific EMAC register defaults */ #ifdef CONFIG_IBM_EMAC4 #define EMAC_M1_DEFAULT (EMAC_M1_BASE | \ EMAC_M1_OPB_CLK_83 | \ EMAC_M1_TX_MWSW) #define EMAC_RMR_DEFAULT (EMAC_RMR_BASE | \ EMAC_RMR_RFAF_128_2048) #define EMAC_TMR0_XMIT (EMAC_TMR0_GNP0 | \ EMAC_TMR0_DEFAULT) #define EMAC_TRTR_DEFAULT EMAC_TRTR_1024 #else /* !CONFIG_IBM_EMAC4 */ #define EMAC_M1_DEFAULT EMAC_M1_BASE #define EMAC_RMR_DEFAULT EMAC_RMR_BASE #define EMAC_TMR0_XMIT EMAC_TMR0_GNP0 #define EMAC_TRTR_DEFAULT EMAC_TRTR_1600 #endif /* CONFIG_IBM_EMAC4 */ #endif