Patch by Travis Sawyer, 30 Dec 2003:

Add support for IBM PPC440GX. Multiple EMAC Ethernet devices,
select MDI port based on enabled EMAC device.
Add support for XES Inc <http://www.xes-inc.com> XPedite1000 440GX
base PrPMC board.

1 files changed, 440 insertions, 0 deletions

diff --git a/include/440gx_enet.h b/include/440gx_enet.h
new file mode 100644
index 0000000..8caf969
--- /dev/null
+++ b/include/440gx_enet.h
@@ -0,0 +1,440 @@
+/*----------------------------------------------------------------------------+
+|
+|	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
+|
++----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------+
+|  19-Nov-03   Travis Sawyer, Sandburst Corporation, tsawyer@sandburst.com
+|	       ported to handle 440GP and 440GX multiple EMACs
++----------------------------------------------------------------------------*/
+
+#ifndef _emacgx_enet_h_
+#define _emacgx_enet_h_
+
+#if defined(CONFIG_440)
+#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
+
+#define NUM_TX_BUFF 1
+#define NUM_RX_BUFF PKTBUFSRX
+
+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;
+};
+
+
+/* Statistic Areas */
+#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_440GX_HW_ST, *EMAC_440GX_HW_PST;
+
+
+#if defined(CONFIG_440_GX)
+#define EMAC_NUM_DEV	    4
+#elif defined(CONFIG_440) && !defined(CONFIG_440_GX)
+#define EMAC_NUM_DEV	    2
+#else
+#warning Bad configuration
+#endif
+
+
+/*ZMII Bridge Register addresses */
+#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
+
+/* ZMII FER Register Bit Definitions */
+#define ZMII_FER_MDI		(0x8)
+#define ZMII_FER_SMII		(0x4)
+#define ZMII_FER_RMII		(0x2)
+#define ZMII_FER_MII		(0x1)
+
+#define ZMII_FER_RSVD11		(0x00200000)
+#define ZMII_FER_RSVD10		(0x00100000)
+#define ZMII_FER_RSVD14_31	(0x0003FFFF)
+
+#define ZMII_FER_V(__x)		(((3 - __x) * 4) + 16)
+
+
+/* ZMII Speed Selection Register Bit Definitions */
+#define ZMII_SSR_SCI		(0x4)
+#define ZMII_SSR_FSS		(0x2)
+#define ZMII_SSR_SP		(0x1)
+#define ZMII_SSR_RSVD16_31	(0x0000FFFF)
+
+#define ZMII_SSR_V(__x)		(((3 - __x) * 4) + 16)
+
+
+/* ZMII SMII Status Register Bit Definitions */
+#define ZMII_SMIISR_E1		(0x80)
+#define ZMII_SMIISR_EC		(0x40)
+#define ZMII_SMIISR_EN		(0x20)
+#define ZMII_SMIISR_EJ		(0x10)
+#define ZMII_SMIISR_EL		(0x08)
+#define ZMII_SMIISR_ED		(0x04)
+#define ZMII_SMIISR_ES		(0x02)
+#define ZMII_SMIISR_EF		(0x01)
+
+#define ZMII_SMIISR_V(__x)	((3 - __x) * 8)
+
+/* RGMII Register Addresses */
+#define RGMII_BASE		(CFG_PERIPHERAL_BASE + 0x0790)
+#define RGMII_FER		(RGMII_BASE + 0x00)
+#define RGMII_SSR		(RGMII_BASE + 0x04)
+
+/* RGMII Function Enable (FER) Register Bit Definitions */
+/* Note: for EMAC 2 and 3 only, 440GX only */
+#define RGMII_FER_DIS		(0x00)
+#define RGMII_FER_RTBI		(0x04)
+#define RGMII_FER_RGMII		(0x05)
+#define RGMII_FER_TBI		(0x06)
+#define RGMII_FER_GMII		(0x07)
+
+#define RGMII_FER_V(__x)	((__x - 2) * 4)
+
+/* RGMII Speed Selection Register Bit Definitions */
+#define RGMII_SSR_SP_10MBPS	(0x00)
+#define RGMII_SSR_SP_100MBPS	(0x02)
+#define RGMII_SSR_SP_1000MBPS	(0x04)
+
+#define RGMII_SSR_V(__x)	((__x -2) * 8)
+
+
+/*---------------------------------------------------------------------------+
+|  TCP/IP Acceleration Hardware (TAH) 440GX Only
++---------------------------------------------------------------------------*/
+#if defined(CONFIG_440_GX)
+#define TAH_BASE		(CFG_PERIPHERAL_BASE + 0x0B50)
+#define TAH_REVID		(TAH_BASE + 0x0)    /* Revision ID (RO)*/
+#define TAH_MR			(TAH_BASE + 0x10)   /* Mode Register (R/W) */
+#define TAH_SSR0		(TAH_BASE + 0x14)   /* Segment Size Reg 0 (R/W) */
+#define TAH_SSR1		(TAH_BASE + 0x18)   /* Segment Size Reg 1 (R/W) */
+#define TAH_SSR2		(TAH_BASE + 0x1C)   /* Segment Size Reg 2 (R/W) */
+#define TAH_SSR3		(TAH_BASE + 0x20)   /* Segment Size Reg 3 (R/W) */
+#define TAH_SSR4		(TAH_BASE + 0x24)   /* Segment Size Reg 4 (R/W) */
+#define TAH_SSR5		(TAH_BASE + 0x28)   /* Segment Size Reg 5 (R/W) */
+#define TAH_TSR			(TAH_BASE + 0x2C)   /* Transmit Status Register (RO) */
+
+
+/* TAH Revision */
+#define TAH_REV_RN_M		(0x000FFF00)	    /* Revision Number */
+#define TAH_REV_BN_M		(0x000000FF)	    /* Branch Revision Number */
+
+#define TAH_REV_RN_V		(8)
+#define TAH_REV_BN_V		(0)
+
+/* TAH Mode Register */
+#define TAH_MR_CVR		(0x80000000)	    /* Checksum verification on RX */
+#define TAH_MR_SR		(0x40000000)	    /* Software reset */
+#define TAH_MR_ST		(0x3F000000)	    /* Send Threshold */
+#define TAH_MR_TFS		(0x00E00000)	    /* Transmit FIFO size */
+#define TAH_MR_DTFP		(0x00100000)	    /* Disable TX FIFO parity */
+#define TAH_MR_DIG		(0x00080000)	    /* Disable interrupt generation */
+#define TAH_MR_RSVD		(0x0007FFFF)	    /* Reserved */
+
+#define TAH_MR_ST_V		(20)
+#define TAH_MR_TFS_V		(17)
+
+#define TAH_MR_TFS_2K		(0x1)		    /* Transmit FIFO size 2Kbyte */
+#define TAH_MR_TFS_4K		(0x2)		    /* Transmit FIFO size 4Kbyte */
+#define TAH_MR_TFS_6K		(0x3)		    /* Transmit FIFO size 6Kbyte */
+#define TAH_MR_TFS_8K		(0x4)		    /* Transmit FIFO size 8Kbyte */
+#define TAH_MR_TFS_10K		(0x5)		    /* Transmit FIFO size 10Kbyte (max)*/
+
+
+/* TAH Segment Size Registers 0:5 */
+#define TAH_SSR_RSVD0		(0xC0000000)	    /* Reserved */
+#define TAH_SSR_SS		(0x3FFE0000)	    /* Segment size in multiples of 2 */
+#define TAH_SSR_RSVD1		(0x0001FFFF)	    /* Reserved */
+
+/* TAH Transmit Status Register */
+#define TAH_TSR_TFTS		(0x80000000)	    /* Transmit FIFO too small */
+#define TAH_TSR_UH		(0x40000000)	    /* Unrecognized header */
+#define TAH_TSR_NIPF		(0x20000000)	    /* Not IPv4 */
+#define TAH_TSR_IPOP		(0x10000000)	    /* IP option present */
+#define TAH_TSR_NISF		(0x08000000)	    /* No IEEE SNAP format */
+#define TAH_TSR_ILTS		(0x04000000)	    /* IP length too short */
+#define TAH_TSR_IPFP		(0x02000000)	    /* IP fragment present */
+#define TAH_TSR_UP		(0x01000000)	    /* Unsupported protocol */
+#define TAH_TSR_TFP		(0x00800000)	    /* TCP flags present */
+#define TAH_TSR_SUDP		(0x00400000)	    /* Segmentation for UDP */
+#define TAH_TSR_DLM		(0x00200000)	    /* Data length mismatch */
+#define TAH_TSR_SIEEE		(0x00100000)	    /* Segmentation for IEEE */
+#define TAH_TSR_TFPE		(0x00080000)	    /* Transmit FIFO parity error */
+#define TAH_TSR_SSTS		(0x00040000)	    /* Segment size too small */
+#define TAH_TSR_RSVD		(0x0003FFFF)	    /* Reserved */
+#endif /* CONFIG_440_GX */
+
+
+/* Ethernet MAC Regsiter Addresses */
+#define EMAC_BASE			    (CFG_PERIPHERAL_BASE + 0x0800)
+
+#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_RSVD			(0x06000000)
+#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_16K			(0x00280000)	/* ~4k for 512 byte */
+#define EMAC_M1_RFS_8K			(0x00200000)	/* ~4k for 512 byte */
+#define EMAC_M1_RFS_4K			(0x00180000)	/* ~4k for 512 byte */
+#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_TR_MULTI		(0x00008000)	/* 0'x for single packet */
+#define EMAC_M1_MWSW		(0x00007000)
+#define EMAC_M1_JUMBO_ENABLE	(0x00000800)
+#define EMAC_M1_IPPA		(0x000007c0)
+#define EMAC_M1_OBCI_GT100	(0x00000020)
+#define EMAC_M1_OBCI_100	(0x00000018)
+#define EMAC_M1_OBCI_83		(0x00000010)
+#define EMAC_M1_OBCI_66		(0x00000008)
+#define EMAC_M1_RSVD1		(0x00000007)
+/* 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)
+
+#endif /* CONFIG_440 */
+#endif /* _enetLib_h_ */