|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | * drivers/net/ethernet/ibm/emac/emac.h | 
|  | * | 
|  | * Register definitions for PowerPC 4xx on-chip ethernet contoller | 
|  | * | 
|  | * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. | 
|  | *                <benh@kernel.crashing.org> | 
|  | * | 
|  | * Based on the arch/ppc version of the driver: | 
|  | * | 
|  | * 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. | 
|  | */ | 
|  | #ifndef __IBM_NEWEMAC_H | 
|  | #define __IBM_NEWEMAC_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/phy.h> | 
|  |  | 
|  | /* EMAC registers 			Write Access rules */ | 
|  | struct emac_regs { | 
|  | /* Common registers across all EMAC implementations. */ | 
|  | 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 	*/ | 
|  | union { | 
|  | /* Registers unique to EMAC4 implementations */ | 
|  | struct { | 
|  | 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	*/ | 
|  | } emac4; | 
|  | /* Registers unique to EMAC4SYNC implementations */ | 
|  | struct { | 
|  | u32 mahr;	/* Reset, R, T  */ | 
|  | u32 malr;	/* Reset, R, T  */ | 
|  | u32 mmahr;	/* Reset, R, T  */ | 
|  | u32 mmalr;	/* Reset, R, T  */ | 
|  | u32 rsvd0[4]; | 
|  | } emac4sync; | 
|  | } u0; | 
|  | /* Common registers across all EMAC implementations. */ | 
|  | u32 lsah; | 
|  | u32 lsal; | 
|  | u32 ipgvr;			/* Reset,    T 	*/ | 
|  | u32 stacr;			/* Special 	*/ | 
|  | u32 trtr;			/* Special 	*/ | 
|  | u32 rwmr;			/* Reset 	*/ | 
|  | u32 octx; | 
|  | u32 ocrx; | 
|  | union { | 
|  | /* Registers unique to EMAC4 implementations */ | 
|  | struct { | 
|  | u32 ipcr; | 
|  | } emac4; | 
|  | /* Registers unique to EMAC4SYNC implementations */ | 
|  | struct { | 
|  | u32 rsvd1; | 
|  | u32 revid; | 
|  | u32 rsvd2[2]; | 
|  | u32 iaht1;	/* Reset, R     */ | 
|  | u32 iaht2;	/* Reset, R     */ | 
|  | u32 iaht3;	/* Reset, R     */ | 
|  | u32 iaht4;	/* Reset, R     */ | 
|  | u32 iaht5;	/* Reset, R     */ | 
|  | u32 iaht6;	/* Reset, R     */ | 
|  | u32 iaht7;	/* Reset, R     */ | 
|  | u32 iaht8;	/* Reset, R     */ | 
|  | u32 gaht1;	/* Reset, R     */ | 
|  | u32 gaht2;	/* Reset, R     */ | 
|  | u32 gaht3;	/* Reset, R     */ | 
|  | u32 gaht4;	/* Reset, R     */ | 
|  | u32 gaht5;	/* Reset, R     */ | 
|  | u32 gaht6;	/* Reset, R     */ | 
|  | u32 gaht7;	/* Reset, R     */ | 
|  | u32 gaht8;	/* Reset, R     */ | 
|  | u32 tpc;	/* Reset, T     */ | 
|  | } emac4sync; | 
|  | } u1; | 
|  | }; | 
|  |  | 
|  | /* 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 | 
|  | #define EMAC_MR1_MF_1000		0x00800000 | 
|  | #define EMAC_MR1_MF_1000GPCS		0x00c00000 | 
|  | #define EMAC_MR1_MF_IPPA(id)		(((id) & 0x1f) << 6) | 
|  |  | 
|  | #define EMAC_MR1_RFS_4K			0x00300000 | 
|  | #define EMAC_MR1_RFS_16K		0x00000000 | 
|  | #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) | 
|  |  | 
|  |  | 
|  | #define EMAC4_MR1_RFS_2K		0x00100000 | 
|  | #define EMAC4_MR1_RFS_4K		0x00180000 | 
|  | #define EMAC4_MR1_RFS_8K		0x00200000 | 
|  | #define EMAC4_MR1_RFS_16K		0x00280000 | 
|  | #define EMAC4_MR1_TFS_2K       		0x00020000 | 
|  | #define EMAC4_MR1_TFS_4K		0x00030000 | 
|  | #define EMAC4_MR1_TFS_8K		0x00040000 | 
|  | #define EMAC4_MR1_TFS_16K		0x00050000 | 
|  | #define EMAC4_MR1_TR			0x00008000 | 
|  | #define EMAC4_MR1_MWSW_001		0x00001000 | 
|  | #define EMAC4_MR1_JPSM			0x00000800 | 
|  | #define EMAC4_MR1_OBCI_MASK		0x00000038 | 
|  | #define EMAC4_MR1_OBCI_50		0x00000000 | 
|  | #define EMAC4_MR1_OBCI_66		0x00000008 | 
|  | #define EMAC4_MR1_OBCI_83		0x00000010 | 
|  | #define EMAC4_MR1_OBCI_100		0x00000018 | 
|  | #define EMAC4_MR1_OBCI_100P		0x00000020 | 
|  | #define EMAC4_MR1_OBCI(freq)		((freq) <= 50  ? EMAC4_MR1_OBCI_50 : \ | 
|  | (freq) <= 66  ? EMAC4_MR1_OBCI_66 : \ | 
|  | (freq) <= 83  ? EMAC4_MR1_OBCI_83 : \ | 
|  | (freq) <= 100 ? EMAC4_MR1_OBCI_100 : \ | 
|  | EMAC4_MR1_OBCI_100P) | 
|  |  | 
|  | /* EMACx_TMR0 */ | 
|  | #define EMAC_TMR0_GNP			0x80000000 | 
|  | #define EMAC_TMR0_DEFAULT		0x00000000 | 
|  | #define EMAC4_TMR0_TFAE_2_32		0x00000001 | 
|  | #define EMAC4_TMR0_TFAE_4_64		0x00000002 | 
|  | #define EMAC4_TMR0_TFAE_8_128		0x00000003 | 
|  | #define EMAC4_TMR0_TFAE_16_256		0x00000004 | 
|  | #define EMAC4_TMR0_TFAE_32_512		0x00000005 | 
|  | #define EMAC4_TMR0_TFAE_64_1024		0x00000006 | 
|  | #define EMAC4_TMR0_TFAE_128_2048	0x00000007 | 
|  | #define EMAC4_TMR0_DEFAULT		EMAC4_TMR0_TFAE_2_32 | 
|  | #define EMAC_TMR0_XMIT			(EMAC_TMR0_GNP | EMAC_TMR0_DEFAULT) | 
|  | #define EMAC4_TMR0_XMIT			(EMAC_TMR0_GNP | EMAC4_TMR0_DEFAULT) | 
|  |  | 
|  | /* EMACx_TMR1 */ | 
|  |  | 
|  | #define EMAC_TMR1(l,h)			(((l) << 27) | (((h) & 0xff) << 16)) | 
|  | #define EMAC4_TMR1(l,h)			(((l) << 27) | (((h) & 0x3ff) << 14)) | 
|  |  | 
|  | /* 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 | 
|  | #define EMAC_RMR_BASE			0x00000000 | 
|  | #define EMAC4_RMR_RFAF_2_32		0x00000001 | 
|  | #define EMAC4_RMR_RFAF_4_64		0x00000002 | 
|  | #define EMAC4_RMR_RFAF_8_128		0x00000003 | 
|  | #define EMAC4_RMR_RFAF_16_256		0x00000004 | 
|  | #define EMAC4_RMR_RFAF_32_512		0x00000005 | 
|  | #define EMAC4_RMR_RFAF_64_1024		0x00000006 | 
|  | #define EMAC4_RMR_RFAF_128_2048		0x00000007 | 
|  | #define EMAC4_RMR_BASE			EMAC4_RMR_RFAF_128_2048 | 
|  | #define EMAC4_RMR_MJS_MASK              0x0001fff8 | 
|  | #define EMAC4_RMR_MJS(s)                (((s) << 3) & EMAC4_RMR_MJS_MASK) | 
|  |  | 
|  | /* EMACx_ISR & EMACx_ISER */ | 
|  | #define EMAC4_ISR_TXPE			0x20000000 | 
|  | #define EMAC4_ISR_RXPE			0x10000000 | 
|  | #define EMAC4_ISR_TXUE			0x08000000 | 
|  | #define EMAC4_ISR_RXOE			0x04000000 | 
|  | #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 | 
|  | #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) | 
|  | #define EMAC4_STACR_BASE(opb)		0x00000000 | 
|  | #define EMAC_STACR_PCDA_MASK		0x1f | 
|  | #define EMAC_STACR_PCDA_SHIFT		5 | 
|  | #define EMAC_STACR_PRA_MASK		0x1f | 
|  | #define EMACX_STACR_STAC_MASK		0x00003800 | 
|  | #define EMACX_STACR_STAC_READ		0x00001000 | 
|  | #define EMACX_STACR_STAC_WRITE		0x00000800 | 
|  | #define EMACX_STACR_STAC_IND_ADDR	0x00002000 | 
|  | #define EMACX_STACR_STAC_IND_READ	0x00003800 | 
|  | #define EMACX_STACR_STAC_IND_READINC	0x00003000 | 
|  | #define EMACX_STACR_STAC_IND_WRITE	0x00002800 | 
|  |  | 
|  |  | 
|  | /* EMACx_TRTR */ | 
|  | #define EMAC_TRTR_SHIFT_EMAC4		24 | 
|  | #define EMAC_TRTR_SHIFT		27 | 
|  |  | 
|  | /* 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 | 
|  | #define EMAC_IS_BAD_TX			(EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ | 
|  | EMAC_TX_ST_EC | EMAC_TX_ST_LC | \ | 
|  | EMAC_TX_ST_MC | EMAC_TX_ST_UR) | 
|  | #define EMAC_IS_BAD_TX_TAH		(EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ | 
|  | EMAC_TX_ST_EC | EMAC_TX_ST_LC) | 
|  |  | 
|  | /* 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_NEWEMAC_H */ |