|  | /*----------------------------------------------------------------------------+ | 
|  | | | 
|  | |       This source code has been made available to you by IBM on an AS-IS | 
|  | |       basis.  Anyone receiving this source is licensed under IBM | 
|  | |       copyrights to use it in any way he or she deems fit, including | 
|  | |       copying it, modifying it, compiling it, and redistributing it either | 
|  | |       with or without modifications.  No license under IBM patents or | 
|  | |       patent applications is to be implied by the copyright license. | 
|  | | | 
|  | |       Any user of this software should understand that IBM cannot provide | 
|  | |       technical support for this software and will not be responsible for | 
|  | |       any consequences resulting from the use of this software. | 
|  | | | 
|  | |       Any person who transfers this source code or any derivative work | 
|  | |       must include the IBM copyright notice, this paragraph, and the | 
|  | |       preceding two paragraphs in the transferred software. | 
|  | | | 
|  | |       COPYRIGHT   I B M   CORPORATION 1999 | 
|  | |       LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M | 
|  | +----------------------------------------------------------------------------*/ | 
|  | /*----------------------------------------------------------------------------+ | 
|  | | | 
|  | |  File Name:   enetemac.h | 
|  | | | 
|  | |  Function:    Header file for the EMAC3 macro on the 405GP. | 
|  | | | 
|  | |  Author:      Mark Wisner | 
|  | | | 
|  | |  Change Activity- | 
|  | | | 
|  | |  Date        Description of Change                                       BY | 
|  | |  ---------   ---------------------                                       --- | 
|  | |  29-Apr-99   Created                                                     MKW | 
|  | | | 
|  | +----------------------------------------------------------------------------*/ | 
|  | #ifndef _enetemac_h_ | 
|  | #define _enetemac_h_ | 
|  | #include <net.h> | 
|  | #include <405_mal.h> | 
|  |  | 
|  | /*-----------------------------------------------------------------------------+ | 
|  | | General enternet defines.  802 frames are not supported. | 
|  | +-----------------------------------------------------------------------------*/ | 
|  | #define ENET_ADDR_LENGTH                6 | 
|  | #define ENET_ARPTYPE                    0x806 | 
|  | #define ARP_REQUEST                     1 | 
|  | #define ARP_REPLY                       2 | 
|  | #define ENET_IPTYPE                     0x800 | 
|  | #define ARP_CACHE_SIZE                  5 | 
|  |  | 
|  |  | 
|  | struct enet_frame { | 
|  | unsigned char        dest_addr[ENET_ADDR_LENGTH]; | 
|  | unsigned char        source_addr[ENET_ADDR_LENGTH]; | 
|  | unsigned short       type; | 
|  | unsigned char        enet_data[1]; | 
|  | }; | 
|  |  | 
|  | struct arp_entry { | 
|  | unsigned long        inet_address; | 
|  | unsigned char        mac_address[ENET_ADDR_LENGTH]; | 
|  | unsigned long        valid; | 
|  | unsigned long        sec; | 
|  | unsigned long        nsec; | 
|  | }; | 
|  |  | 
|  |  | 
|  | /*Register addresses */ | 
|  | #if defined(CONFIG_440) | 
|  | #define ZMII_BASE			(CFG_PERIPHERAL_BASE + 0x0780) | 
|  | #define ZMII_FER			(ZMII_BASE) | 
|  | #define ZMII_SSR			(ZMII_BASE + 4) | 
|  | #define ZMII_SMIISR			(ZMII_BASE + 8) | 
|  |  | 
|  | #define ZMII_RMII			0x22000000 | 
|  | #define ZMII_MDI0			0x80000000 | 
|  | #endif /* CONFIG_440 */ | 
|  |  | 
|  | #if defined(CONFIG_440) | 
|  | #define EMAC_BASE 			(CFG_PERIPHERAL_BASE + 0x0800) | 
|  | #else | 
|  | #define EMAC_BASE 			0xEF600800 | 
|  | #endif | 
|  |  | 
|  | #define EMAC_M0 			(EMAC_BASE) | 
|  | #define EMAC_M1 			(EMAC_BASE + 4) | 
|  | #define EMAC_TXM0				(EMAC_BASE + 8) | 
|  | #define EMAC_TXM1		 		(EMAC_BASE + 12) | 
|  | #define EMAC_RXM		 		(EMAC_BASE + 16) | 
|  | #define EMAC_ISR		 		(EMAC_BASE + 20) | 
|  | #define EMAC_IER		 		(EMAC_BASE + 24) | 
|  | #define EMAC_IAH		 		(EMAC_BASE + 28) | 
|  | #define EMAC_IAL		 		(EMAC_BASE + 32) | 
|  | #define EMAC_VLAN_TPID_REG 		(EMAC_BASE + 36) | 
|  | #define EMAC_VLAN_TCI_REG 		(EMAC_BASE + 40) | 
|  | #define EMAC_PAUSE_TIME_REG 		(EMAC_BASE + 44) | 
|  | #define EMAC_IND_HASH_1			(EMAC_BASE + 48) | 
|  | #define EMAC_IND_HASH_2			(EMAC_BASE + 52) | 
|  | #define EMAC_IND_HASH_3			(EMAC_BASE + 56) | 
|  | #define EMAC_IND_HASH_4			(EMAC_BASE + 60) | 
|  | #define EMAC_GRP_HASH_1			(EMAC_BASE + 64) | 
|  | #define EMAC_GRP_HASH_2			(EMAC_BASE + 68) | 
|  | #define EMAC_GRP_HASH_3			(EMAC_BASE + 72) | 
|  | #define EMAC_GRP_HASH_4			(EMAC_BASE + 76) | 
|  | #define EMAC_LST_SRC_LOW		(EMAC_BASE + 80) | 
|  | #define EMAC_LST_SRC_HI			(EMAC_BASE + 84) | 
|  | #define EMAC_I_FRAME_GAP_REG		(EMAC_BASE + 88) | 
|  | #define EMAC_STACR			(EMAC_BASE + 92) | 
|  | #define EMAC_TRTR				(EMAC_BASE + 96) | 
|  | #define EMAC_RX_HI_LO_WMARK		(EMAC_BASE + 100) | 
|  |  | 
|  | /* bit definitions */ | 
|  | /* 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_1000MBPS		0x00800000	/* 0's for 10MBPS */ | 
|  | #define EMAC_M1_MF_100MBPS		0x00400000 | 
|  | #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_TR0_MULTI		0x00008000 | 
|  | #define EMAC_M1_TR1_DEPEND		0x00004000 | 
|  | #define EMAC_M1_TR1_MULTI		0x00002000 | 
|  | #define EMAC_M1_JUMBO_ENABLE		0x00001000 | 
|  |  | 
|  | /* Transmit Mode Register 0 */ | 
|  | #define EMAC_TXM0_GNP0			0x80000000 | 
|  | #define EMAC_TXM0_GNP1			0x40000000 | 
|  | #define EMAC_TXM0_GNPD			0x20000000 | 
|  | #define EMAC_TXM0_FC			0x10000000 | 
|  |  | 
|  | /* 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 | 
|  |  | 
|  | /* 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_SYE			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_256			0x18000000   /* 0's for 64 Bytes */ | 
|  | #define EMAC_TRTR_192			0x10000000 | 
|  | #define EMAC_TRTR_128			0x01000000 | 
|  |  | 
|  | /* the follwing defines are for the MadMAL status and control registers. */ | 
|  | /* For bits 0..5 look at the mal.h file                                  */ | 
|  | #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_DEFAULT (EMAC_TX_CTRL_GFCS |EMAC_TX_CTRL_GP) | 
|  |  | 
|  | #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 | 
|  |  | 
|  | #define EMAC_TX_ST_DEFAULT    0x03F3 | 
|  |  | 
|  |  | 
|  | /* 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 | 
|  | /* all the errors we care about */ | 
|  | #define EMAC_RX_ERRORS		0x03FF | 
|  |  | 
|  | #define NUM_RX_BUFF PKTBUFSRX | 
|  | #define NUM_TX_BUFF 1 | 
|  |  | 
|  | #define MAX_ERR_LOG 10 | 
|  | typedef struct emac_stats_st{	/* Statistic Block */ | 
|  | int data_len_err; | 
|  | int rx_frames; | 
|  | int rx; | 
|  | int rx_prot_err; | 
|  | int int_err; | 
|  | int pkts_tx; | 
|  | int pkts_rx; | 
|  | int pkts_handled; | 
|  | short tx_err_log[MAX_ERR_LOG]; | 
|  | short rx_err_log[MAX_ERR_LOG]; | 
|  | } EMAC_STATS_ST, *EMAC_STATS_PST; | 
|  |  | 
|  | /* Structure containing variables used by the shared code (440gx_enet.c) */ | 
|  | typedef struct emac_440gx_hw_st { | 
|  | uint32_t		hw_addr;		/* EMAC offset */ | 
|  | uint32_t		tah_addr;		/* TAH offset */ | 
|  | uint32_t		phy_id; | 
|  | uint32_t		phy_addr; | 
|  | uint32_t		original_fc; | 
|  | uint32_t		txcw; | 
|  | uint32_t		autoneg_failed; | 
|  | uint32_t		emac_ier; | 
|  | volatile mal_desc_t *tx; | 
|  | volatile mal_desc_t *rx; | 
|  | bd_t		*bis;	/* for eth_init upon mal error */ | 
|  | mal_desc_t		*alloc_tx_buf; | 
|  | mal_desc_t		*alloc_rx_buf; | 
|  | char		*txbuf_ptr; | 
|  | uint16_t		devnum; | 
|  | int			get_link_status; | 
|  | int			tbi_compatibility_en; | 
|  | int			tbi_compatibility_on; | 
|  | int			fc_send_xon; | 
|  | int			report_tx_early; | 
|  | int			first_init; | 
|  | int			tx_err_index; | 
|  | int			rx_err_index; | 
|  | int			rx_slot;			/* MAL Receive Slot */ | 
|  | int			rx_i_index;		/* Receive Interrupt Queue Index */ | 
|  | int			rx_u_index;		/* Receive User Queue Index */ | 
|  | int			tx_slot;			/* MAL Transmit Slot */ | 
|  | int			tx_i_index;		/* Transmit Interrupt Queue Index */ | 
|  | int			tx_u_index;		/* Transmit User Queue Index */ | 
|  | int			rx_ready[NUM_RX_BUFF];	/* Receive Ready Queue */ | 
|  | int			tx_run[NUM_TX_BUFF];	/* Transmit Running Queue */ | 
|  | int			is_receiving;	/* sync with eth interrupt */ | 
|  | int			print_speed;	/* print speed message upon start */ | 
|  | EMAC_STATS_ST	stats; | 
|  | } EMAC_405_HW_ST, *EMAC_405_HW_PST; | 
|  |  | 
|  | /*-----------------------------------------------------------------------------+ | 
|  | | Function prototypes for device table. | 
|  | +-----------------------------------------------------------------------------*/ | 
|  | #endif /* _enetLib_h_ */ |