/* * drivers/net/ibm_emac/ibm_emac.h * * Register definitions for PowerPC 4xx on-chip ethernet contoller * * Copyright (c) 2004, 2005 Zultys Technologies. * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * * Based on original work by * Matt Porter <mporter@kernel.crashing.org> * Armin Kuster <akuster@mvista.com> * Copyright 2002-2004 MontaVista Software 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_ #include <linux/types.h> /* This is a simple check to prevent use of this driver on non-tested SoCs */ #if !defined(CONFIG_405GP) && !defined(CONFIG_405GPR) && !defined(CONFIG_405EP) && \ !defined(CONFIG_440GP) && !defined(CONFIG_440GX) && !defined(CONFIG_440SP) && \ !defined(CONFIG_440EP) && !defined(CONFIG_NP405H) && !defined(CONFIG_440SPE) && \ !defined(CONFIG_440GR) #error "Unknown SoC. Please, check chip user manual and make sure EMAC defines are OK" #endif /* EMAC registers Write Access rules */ struct emac_regs { u32 mr0; /* special */ u32 mr1; /* Reset */ u32 tmr0; /* special */ u32 tmr1; /* special */ u32 rmr; /* Reset */ u32 isr; /* Always */ u32 iser; /* Reset */ u32 iahr; /* Reset, R, T */ u32 ialr; /* Reset, R, T */ u32 vtpid; /* Reset, R, T */ u32 vtci; /* Reset, R, T */ u32 ptr; /* Reset, T */ u32 iaht1; /* Reset, R */ u32 iaht2; /* Reset, R */ u32 iaht3; /* Reset, R */ u32 iaht4; /* Reset, R */ u32 gaht1; /* Reset, R */ u32 gaht2; /* Reset, R */ u32 gaht3; /* Reset, R */ u32 gaht4; /* Reset, R */ u32 lsah; u32 lsal; u32 ipgvr; /* Reset, T */ u32 stacr; /* special */ u32 trtr; /* special */ u32 rwmr; /* Reset */ u32 octx; u32 ocrx; u32 ipcr; }; #if !defined(CONFIG_IBM_EMAC4) #define EMAC_ETHTOOL_REGS_VER 0 #define EMAC_ETHTOOL_REGS_SIZE (sizeof(struct emac_regs) - sizeof(u32)) #else #define EMAC_ETHTOOL_REGS_VER 1 #define EMAC_ETHTOOL_REGS_SIZE sizeof(struct emac_regs) #endif /* EMACx_MR0 */ #define EMAC_MR0_RXI 0x80000000 #define EMAC_MR0_TXI 0x40000000 #define EMAC_MR0_SRST 0x20000000 #define EMAC_MR0_TXE 0x10000000 #define EMAC_MR0_RXE 0x08000000 #define EMAC_MR0_WKE 0x04000000 /* EMACx_MR1 */ #define EMAC_MR1_FDE 0x80000000 #define EMAC_MR1_ILE 0x40000000 #define EMAC_MR1_VLE 0x20000000 #define EMAC_MR1_EIFC 0x10000000 #define EMAC_MR1_APP 0x08000000 #define EMAC_MR1_IST 0x01000000 #define EMAC_MR1_MF_MASK 0x00c00000 #define EMAC_MR1_MF_10 0x00000000 #define EMAC_MR1_MF_100 0x00400000 #if !defined(CONFIG_IBM_EMAC4) #define EMAC_MR1_MF_1000 0x00000000 #define EMAC_MR1_MF_1000GPCS 0x00000000 #define EMAC_MR1_MF_IPPA(id) 0x00000000 #else #define EMAC_MR1_MF_1000 0x00800000 #define EMAC_MR1_MF_1000GPCS 0x00c00000 #define EMAC_MR1_MF_IPPA(id) (((id) & 0x1f) << 6) #endif #define EMAC_TX_FIFO_SIZE 2048 #if !defined(CONFIG_IBM_EMAC4) #define EMAC_MR1_RFS_4K 0x00300000 #define EMAC_MR1_RFS_16K 0x00000000 #define EMAC_RX_FIFO_SIZE(gige) 4096 #define EMAC_MR1_TFS_2K 0x00080000 #define EMAC_MR1_TR0_MULT 0x00008000 #define EMAC_MR1_JPSM 0x00000000 #define EMAC_MR1_MWSW_001 0x00000000 #define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR0_MULT) #else #define EMAC_MR1_RFS_4K 0x00180000 #define EMAC_MR1_RFS_16K 0x00280000 #define EMAC_RX_FIFO_SIZE(gige) ((gige) ? 16384 : 4096) #define EMAC_MR1_TFS_2K 0x00020000 #define EMAC_MR1_TR 0x00008000 #define EMAC_MR1_MWSW_001 0x00001000 #define EMAC_MR1_JPSM 0x00000800 #define EMAC_MR1_OBCI_MASK 0x00000038 #define EMAC_MR1_OBCI_50 0x00000000 #define EMAC_MR1_OBCI_66 0x00000008 #define EMAC_MR1_OBCI_83 0x00000010 #define EMAC_MR1_OBCI_100 0x00000018 #define EMAC_MR1_OBCI_100P 0x00000020 #define EMAC_MR1_OBCI(freq) ((freq) <= 50 ? EMAC_MR1_OBCI_50 : \ (freq) <= 66 ? EMAC_MR1_OBCI_66 : \ (freq) <= 83 ? EMAC_MR1_OBCI_83 : \ (freq) <= 100 ? EMAC_MR1_OBCI_100 : EMAC_MR1_OBCI_100P) #define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR | \ EMAC_MR1_OBCI(opb)) #endif /* EMACx_TMR0 */ #define EMAC_TMR0_GNP 0x80000000 #if !defined(CONFIG_IBM_EMAC4) #define EMAC_TMR0_DEFAULT 0x00000000 #else #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 #define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_2_32 #endif #define EMAC_TMR0_XMIT (EMAC_TMR0_GNP | EMAC_TMR0_DEFAULT) /* EMACx_TMR1 */ /* IBM manuals are not very clear here. * This is my interpretation of how things are. --ebs */ #if defined(CONFIG_40x) #define EMAC_FIFO_ENTRY_SIZE 8 #define EMAC_MAL_BURST_SIZE (16 * 4) #else #define EMAC_FIFO_ENTRY_SIZE 16 #define EMAC_MAL_BURST_SIZE (64 * 4) #endif #if !defined(CONFIG_IBM_EMAC4) #define EMAC_TMR1(l,h) (((l) << 27) | (((h) & 0xff) << 16)) #else #define EMAC_TMR1(l,h) (((l) << 27) | (((h) & 0x3ff) << 14)) #endif /* EMACx_RMR */ #define EMAC_RMR_SP 0x80000000 #define EMAC_RMR_SFCS 0x40000000 #define EMAC_RMR_RRP 0x20000000 #define EMAC_RMR_RFP 0x10000000 #define EMAC_RMR_ROP 0x08000000 #define EMAC_RMR_RPIR 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 #if !defined(CONFIG_IBM_EMAC4) #define EMAC_RMR_BASE 0x00000000 #else #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_RFAF_128_2048 #endif /* EMACx_ISR & EMACx_ISER */ #if !defined(CONFIG_IBM_EMAC4) #define EMAC_ISR_TXPE 0x00000000 #define EMAC_ISR_RXPE 0x00000000 #define EMAC_ISR_TXUE 0x00000000 #define EMAC_ISR_RXOE 0x00000000 #else #define EMAC_ISR_TXPE 0x20000000 #define EMAC_ISR_RXPE 0x10000000 #define EMAC_ISR_TXUE 0x08000000 #define EMAC_ISR_RXOE 0x04000000 #endif #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_SQE 0x00000080 #define EMAC_ISR_TE 0x00000040 #define EMAC_ISR_MOS 0x00000002 #define EMAC_ISR_MOF 0x00000001 /* EMACx_STACR */ #define EMAC_STACR_PHYD_MASK 0xffff #define EMAC_STACR_PHYD_SHIFT 16 #define EMAC_STACR_OC 0x00008000 #define EMAC_STACR_PHYE 0x00004000 #define EMAC_STACR_STAC_MASK 0x00003000 #define EMAC_STACR_STAC_READ 0x00001000 #define EMAC_STACR_STAC_WRITE 0x00002000 #if !defined(CONFIG_IBM_EMAC4) #define EMAC_STACR_OPBC_MASK 0x00000C00 #define EMAC_STACR_OPBC_50 0x00000000 #define EMAC_STACR_OPBC_66 0x00000400 #define EMAC_STACR_OPBC_83 0x00000800 #define EMAC_STACR_OPBC_100 0x00000C00 #define EMAC_STACR_OPBC(freq) ((freq) <= 50 ? EMAC_STACR_OPBC_50 : \ (freq) <= 66 ? EMAC_STACR_OPBC_66 : \ (freq) <= 83 ? EMAC_STACR_OPBC_83 : EMAC_STACR_OPBC_100) #define EMAC_STACR_BASE(opb) EMAC_STACR_OPBC(opb) #else #define EMAC_STACR_BASE(opb) 0x00000000 #endif #define EMAC_STACR_PCDA_MASK 0x1f #define EMAC_STACR_PCDA_SHIFT 5 #define EMAC_STACR_PRA_MASK 0x1f /* * For the 440SPe, AMCC inexplicably changed the polarity of * the "operation complete" bit in the MII control register. */ #if defined(CONFIG_440SPE) static inline int emac_phy_done(u32 stacr) { return !(stacr & EMAC_STACR_OC); }; #define EMAC_STACR_START EMAC_STACR_OC #else /* CONFIG_440SPE */ static inline int emac_phy_done(u32 stacr) { return stacr & EMAC_STACR_OC; }; #define EMAC_STACR_START 0 #endif /* !CONFIG_440SPE */ /* EMACx_TRTR */ #if !defined(CONFIG_IBM_EMAC4) #define EMAC_TRTR_SHIFT 27 #else #define EMAC_TRTR_SHIFT 24 #endif #define EMAC_TRTR(size) ((((size) >> 6) - 1) << EMAC_TRTR_SHIFT) /* EMACx_RWMR */ #if !defined(CONFIG_IBM_EMAC4) #define EMAC_RWMR(l,h) (((l) << 23) | ( ((h) & 0x1ff) << 7)) #else #define EMAC_RWMR(l,h) (((l) << 22) | ( ((h) & 0x3ff) << 6)) #endif /* EMAC specific TX descriptor control fields (write access) */ #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 /* EMAC specific TX descriptor status fields (read access) */ #define EMAC_TX_ST_BFCS 0x0200 #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 #if !defined(CONFIG_IBM_EMAC_TAH) #define EMAC_IS_BAD_TX(v) ((v) & (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ EMAC_TX_ST_EC | EMAC_TX_ST_LC | \ EMAC_TX_ST_MC | EMAC_TX_ST_UR)) #else #define EMAC_IS_BAD_TX(v) ((v) & (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ EMAC_TX_ST_EC | EMAC_TX_ST_LC)) #endif /* EMAC specific RX descriptor status fields (read access) */ #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_RX_TAH_BAD_CSUM 0x0003 #define EMAC_BAD_RX_MASK (EMAC_RX_ST_OE | EMAC_RX_ST_BP | \ EMAC_RX_ST_RP | EMAC_RX_ST_SE | \ EMAC_RX_ST_AE | EMAC_RX_ST_BFCS | \ EMAC_RX_ST_PTL | EMAC_RX_ST_ORE | \ EMAC_RX_ST_IRE ) #endif /* __IBM_EMAC_H_ */