[U-Boot] [PATCH 2/3][v2] dnet: driver for Dave DNET ethernet controller

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Feb 5 22:25:26 CET 2009


On 06:32 Thu 05 Feb     , Ilya Yanok wrote:
> Driver for Dave DNET ethernet controller (used on Dave/DENX
> QongEVB-LITE board).
> 
> Signed-off-by: Ilya Yanok <yanok at emcraft.com>
please have Ben ack
> ---
>  drivers/net/Makefile |    2 +
>  drivers/net/dnet.c   |  394 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  drivers/net/dnet.h   |  166 +++++++++++++++++++++
>  include/netdev.h     |    1 +
>  4 files changed, 563 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/net/dnet.c
>  create mode 100644 drivers/net/dnet.h
> 
> diff --git a/drivers/net/Makefile b/drivers/net/Makefile
> index 128dc11..10e3c6d 100644
> --- a/drivers/net/Makefile
> +++ b/drivers/net/Makefile
> @@ -33,6 +33,7 @@ COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o
>  COBJS-$(CONFIG_DRIVER_CS8900) += cs8900.o
>  COBJS-$(CONFIG_TULIP) += dc2114x.o
>  COBJS-$(CONFIG_DRIVER_DM9000) += dm9000x.o
> +COBJS-$(CONFIG_DNET) += dnet.o
>  COBJS-$(CONFIG_E1000) += e1000.o
>  COBJS-$(CONFIG_EEPRO100) += eepro100.o
>  COBJS-$(CONFIG_ENC28J60) += enc28j60.o
> @@ -69,6 +70,7 @@ COBJS-$(CONFIG_ULI526X) += uli526x.o
>  COBJS-$(CONFIG_VSC7385_ENET) += vsc7385.o
>  COBJS-$(CONFIG_XILINX_EMAC) += xilinx_emac.o
>  COBJS-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o
> +COBJS-$(CONFIG_SH_ETHER) += sh_eth.o
>  
>  COBJS	:= $(COBJS-y)
>  SRCS	:= $(COBJS:.o=.c)
> diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c
> new file mode 100644
> index 0000000..e7cd716
> --- /dev/null
> +++ b/drivers/net/dnet.c
> @@ -0,0 +1,394 @@
> +/*
> + * Dave Ethernet Controller driver
> + *
> + * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <common.h>
> +
> +#define CFG_DNET_AUTONEG_TIMEOUT	5000000
pelase use CONFIG_ and maybe move it in a header
> +
> +#include <net.h>
> +#include <malloc.h>
> +#include <linux/mii.h>
> +
> +#include <miiphy.h>
> +#include <asm/io.h>
> +
> +#include "dnet.h"
> +
> +struct dnet_device {
> +	struct dnet_registers	*regs;
> +	const struct device	*dev;
> +	struct eth_device	netdev;
> +	unsigned short		phy_addr;
> +};
> +
> +++ b/drivers/net/dnet.h
> @@ -0,0 +1,166 @@
> +/*
> + * Dave Ethernet Controller driver
> + *
> + * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#ifndef __DRIVERS_DNET_H__
> +#define __DRIVERS_DNET_H__
> +
> +#define DRIVERNAME "dnet"
> +
> +struct dnet_registers {
> +	/* ALL DNET FIFO REGISTERS */
> +	u32 RX_LEN_FIFO;
> +	u32 RX_DATA_FIFO;
> +	u32 TX_LEN_FIFO;
> +	u32 TX_DATA_FIFO;
> +	u32 pad1[0x3c];
> +	/* ALL DNET CONTROL/STATUS REGISTERS */
> +	u32 VERCAPS;
> +	u32 INTR_SRC;
> +	u32 INTR_ENB;
> +	u32 RX_STATUS;
> +	u32 TX_STATUS;
> +	u32 RX_FRAMES_CNT;
> +	u32 TX_FRAMES_CNT;
> +	u32 RX_FIFO_TH;
> +	u32 TX_FIFO_TH;
> +	u32 SYS_CTL;
> +	u32 PAUSE_TMR;
> +	u32 RX_FIFO_WCNT;
> +	u32 TX_FIFO_WCNT;
> +	u32 pad2[0x33];
> +	/* ALL DNET MAC REGISTERS */
> +	u32 MACREG_DATA;	/* Mac-Reg Data */
> +	u32 MACREG_ADDR;	/* Mac-Reg Addr  */
					       ^^
whitespace please fix
> +	u32 pad3[0x3e];
> +	/* ALL DNET RX STATISTICS COUNTERS  */
					   ^^
whitespace please fix
> +	u32 RX_PKT_IGNR_CNT;
> +	u32 RX_LEN_CHK_ERR_CNT;
> +	u32 RX_LNG_FRM_CNT;
> +	u32 RX_SHRT_FRM_CNT;
> +	u32 RX_IPG_VIOL_CNT;
> +	u32 RX_CRC_ERR_CNT;
> +	u32 RX_OK_PKT_CNT;
> +	u32 RX_CTL_FRM_CNT;
> +	u32 RX_PAUSE_FRM_CNT;
> +	u32 RX_MULTICAST_CNT;
> +	u32 RX_BROADCAST_CNT;
> +	u32 RX_VLAN_TAG_CNT;
> +	u32 RX_PRE_SHRINK_CNT;
> +	u32 RX_DRIB_NIB_CNT;
> +	u32 RX_UNSUP_OPCD_CNT;
> +	u32 RX_BYTE_CNT;
> +	u32 pad4[0x30];
> +	/* DNET TX STATISTICS COUNTERS */
> +	u32 TX_UNICAST_CNT;
> +	u32 TX_PAUSE_FRM_CNT;
> +	u32 TX_MULTICAST_CNT;
> +	u32 TX_BRDCAST_CNT;
> +	u32 TX_VLAN_TAG_CNT;
> +	u32 TX_BAD_FCS_CNT;
> +	u32 TX_JUMBO_CNT;
> +	u32 TX_BYTE_CNT;
> +} __attribute__((packed));
> +
> +/* SOME INTERNAL MAC-CORE REGISTER */
> +#define DNET_INTERNAL_MODE_REG            	0x0
				 ^^^^^^^^^^^^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_REG    	0x2
					 ^^^^
whitespace please fix
> +#define DNET_INTERNAL_MAX_PKT_SIZE_REG    	0x4
					 ^^^^
whitespace please fix
> +#define DNET_INTERNAL_IGP_REG             	0x8
				^^^^^^^^^^^^^
whitespace please fix
> +#define DNET_INTERNAL_MAC_ADDR_0_REG      	0xa
				       ^^^^^^
whitespace please fix
> +#define DNET_INTERNAL_MAC_ADDR_1_REG      	0xc
				       ^^^^^^
whitespace please fix
> +#define DNET_INTERNAL_MAC_ADDR_2_REG      	0xe
				       ^^^^^^
whitespace please fix
> +#define DNET_INTERNAL_TX_RX_STS_REG		0x12
> +#define DNET_INTERNAL_GMII_MNG_CTL_REG		0x14
> +#define DNET_INTERNAL_GMII_MNG_DAT_REG		0x16
> +
> +#define DNET_INTERNAL_GMII_MNG_CMD_FIN		(1 << 14)
> +
> +#define DNET_INTERNAL_WRITE			(1 << 31)
> +
> +/* MAC-CORE REGISTER FIELDS */
> +
> +/* MAC-CORE MODE REGISTER FIELDS */
> +#define DNET_INTERNAL_MODE_GBITEN 			(1 << 0)
				    ^
whitespace please fix
> +#define DNET_INTERNAL_MODE_FCEN 			(1 << 1)
				  ^
whitespace please fix
> +#define DNET_INTERNAL_MODE_RXEN 			(1 << 2)
				  ^
whitespace please fix
> +#define DNET_INTERNAL_MODE_TXEN 			(1 << 3)
				  ^
whitespace please fix
> +
> +/* MAC-CORE RXTX CONTROL REGISTER FIELDS */
> +#define DNET_INTERNAL_RXTX_CONTROL_RXSHORTFRAME 	(1 << 8)
						  ^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST	 	(1 << 7)
							^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST	 	(1 << 4)
							^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_RXPAUSE	 	(1 << 3)
						^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_DISTXFCS	 	(1 << 2)
						^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS 		(1 << 1)
					       ^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_ENPROMISC	 	(1 << 0)
						^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL	 	(1 << 6)
							^
whitespace please fix
> +#define DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP 	(1 << 5)
						   ^
whitespace please fix
> +
> +/* SYSTEM CONTROL REGISTER FIELDS */
> +#define DNET_SYS_CTL_IGNORENEXTPKT			(1 << 0)
> +#define DNET_SYS_CTL_SENDPAUSE				(1 << 2)
> +#define DNET_SYS_CTL_RXFIFOFLUSH			(1 << 3)
> +#define DNET_SYS_CTL_TXFIFOFLUSH			(1 << 4)
> +
> +/*
> + * Capabilities. Used by the driver to know the capabilities that
> + * the ethernet controller inside the FPGA have.
> + */
> +
> +#define DNET_HAS_MDIO 		(1 << 0)
			^
whitespace please fix
> +#define DNET_HAS_IRQ 		(1 << 1)
		       ^
whitespace please fix
> +#define DNET_HAS_GIGABIT 	(1 << 2)
			   ^
whitespace please fix
> +#define DNET_HAS_DMA 		(1 << 3)
		       ^
whitespace please fix
> +
> +#define DNET_HAS_MII		(1 << 4) /* or GMII */
> +#define DNET_HAS_RMII		(1 << 5) /* or RGMII */
> +
> +#define DNET_CAPS_MASK		0xFFFF
> +
> +#define DNET_FIFO_SIZE		2048 /* 2K x 32 bit */
> +#define DNET_FIFO_TX_DATA_AF_TH	(DNET_FIFO_SIZE - 384) /* 384 = 1536 / 4 */
> +#define DNET_FIFO_TX_DATA_AE_TH	(384)
> +
> +#define DNET_FIFO_RX_CMD_AF_TH	(1 << 16) /* just one frame inside the FIFO */
> +
> +#endif
Best Regards,
J.


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