#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/mii.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <mach/hardware.h>

Data Structures
struct	ep93xx_rdesc

struct	ep93xx_rstat

struct	ep93xx_tdesc

struct	ep93xx_tstat

struct	ep93xx_descs

struct	ep93xx_priv

Macros
#define	pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__

#define	DRV_MODULE_NAME "ep93xx-eth"

#define	DRV_MODULE_VERSION "0.1"

#define	RX_QUEUE_ENTRIES 64

#define	TX_QUEUE_ENTRIES 8

#define	MAX_PKT_SIZE 2044

#define	PKT_BUF_SIZE 2048

#define	REG_RXCTL 0x0000

#define	REG_RXCTL_DEFAULT 0x00073800

#define	REG_TXCTL 0x0004

#define	REG_TXCTL_ENABLE 0x00000001

#define	REG_MIICMD 0x0010

#define	REG_MIICMD_READ 0x00008000

#define	REG_MIICMD_WRITE 0x00004000

#define	REG_MIIDATA 0x0014

#define	REG_MIISTS 0x0018

#define	REG_MIISTS_BUSY 0x00000001

#define	REG_SELFCTL 0x0020

#define	REG_SELFCTL_RESET 0x00000001

#define	REG_INTEN 0x0024

#define	REG_INTEN_TX 0x00000008

#define	REG_INTEN_RX 0x00000007

#define	REG_INTSTSP 0x0028

#define	REG_INTSTS_TX 0x00000008

#define	REG_INTSTS_RX 0x00000004

#define	REG_INTSTSC 0x002c

#define	REG_AFP 0x004c

#define	REG_INDAD0 0x0050

#define	REG_INDAD1 0x0051

#define	REG_INDAD2 0x0052

#define	REG_INDAD3 0x0053

#define	REG_INDAD4 0x0054

#define	REG_INDAD5 0x0055

#define	REG_GIINTMSK 0x0064

#define	REG_GIINTMSK_ENABLE 0x00008000

#define	REG_BMCTL 0x0080

#define	REG_BMCTL_ENABLE_TX 0x00000100

#define	REG_BMCTL_ENABLE_RX 0x00000001

#define	REG_BMSTS 0x0084

#define	REG_BMSTS_RX_ACTIVE 0x00000008

#define	REG_RXDQBADD 0x0090

#define	REG_RXDQBLEN 0x0094

#define	REG_RXDCURADD 0x0098

#define	REG_RXDENQ 0x009c

#define	REG_RXSTSQBADD 0x00a0

#define	REG_RXSTSQBLEN 0x00a4

#define	REG_RXSTSQCURADD 0x00a8

#define	REG_RXSTSENQ 0x00ac

#define	REG_TXDQBADD 0x00b0

#define	REG_TXDQBLEN 0x00b4

#define	REG_TXDQCURADD 0x00b8

#define	REG_TXDENQ 0x00bc

#define	REG_TXSTSQBADD 0x00c0

#define	REG_TXSTSQBLEN 0x00c4

#define	REG_TXSTSQCURADD 0x00c8

#define	REG_MAXFRMLEN 0x00e8

#define	RDESC1_NSOF 0x80000000

#define	RDESC1_BUFFER_INDEX 0x7fff0000

#define	RDESC1_BUFFER_LENGTH 0x0000ffff

#define	RSTAT0_RFP 0x80000000

#define	RSTAT0_RWE 0x40000000

#define	RSTAT0_EOF 0x20000000

#define	RSTAT0_EOB 0x10000000

#define	RSTAT0_AM 0x00c00000

#define	RSTAT0_RX_ERR 0x00200000

#define	RSTAT0_OE 0x00100000

#define	RSTAT0_FE 0x00080000

#define	RSTAT0_RUNT 0x00040000

#define	RSTAT0_EDATA 0x00020000

#define	RSTAT0_CRCE 0x00010000

#define	RSTAT0_CRCI 0x00008000

#define	RSTAT0_HTI 0x00003f00

#define	RSTAT1_RFP 0x80000000

#define	RSTAT1_BUFFER_INDEX 0x7fff0000

#define	RSTAT1_FRAME_LENGTH 0x0000ffff

#define	TDESC1_EOF 0x80000000

#define	TDESC1_BUFFER_INDEX 0x7fff0000

#define	TDESC1_BUFFER_ABORT 0x00008000

#define	TDESC1_BUFFER_LENGTH 0x00000fff

#define	TSTAT0_TXFP 0x80000000

#define	TSTAT0_TXWE 0x40000000

#define	TSTAT0_FA 0x20000000

#define	TSTAT0_LCRS 0x10000000

#define	TSTAT0_OW 0x04000000

#define	TSTAT0_TXU 0x02000000

#define	TSTAT0_ECOLL 0x01000000

#define	TSTAT0_NCOLL 0x001f0000

#define	TSTAT0_BUFFER_INDEX 0x00007fff

#define	rdb(ep, off) __raw_readb((ep)->base_addr + (off))

#define	rdw(ep, off) __raw_readw((ep)->base_addr + (off))

#define	rdl(ep, off) __raw_readl((ep)->base_addr + (off))

#define	wrb(ep, off, val) __raw_writeb((val), (ep)->base_addr + (off))

#define	wrw(ep, off, val) __raw_writew((val), (ep)->base_addr + (off))

#define	wrl(ep, off, val) __raw_writel((val), (ep)->base_addr + (off))

Functions
	module_init (ep93xx_eth_init_module)

	module_exit (ep93xx_eth_cleanup_module)

	MODULE_LICENSE ("GPL")

	MODULE_ALIAS ("platform:ep93xx-eth")

Macro Definition Documentation

#define DRV_MODULE_NAME "ep93xx-eth"

Definition at line 31 of file ep93xx_eth.c.

#define DRV_MODULE_VERSION "0.1"

Definition at line 32 of file ep93xx_eth.c.

#define MAX_PKT_SIZE 2044

Definition at line 37 of file ep93xx_eth.c.

#define PKT_BUF_SIZE 2048

Definition at line 38 of file ep93xx_eth.c.

#define pr_fmt ( fmt ) KBUILD_MODNAME ":%s: " fmt, __func__

Definition at line 12 of file ep93xx_eth.c.

#define rdb	(	ep,
		off
	)	__raw_readb((ep)->base_addr + (off))

Definition at line 183 of file ep93xx_eth.c.

#define RDESC1_BUFFER_INDEX 0x7fff0000

Definition at line 97 of file ep93xx_eth.c.

#define RDESC1_BUFFER_LENGTH 0x0000ffff

Definition at line 98 of file ep93xx_eth.c.

#define RDESC1_NSOF 0x80000000

Definition at line 96 of file ep93xx_eth.c.

#define rdl	(	ep,
		off
	)	__raw_readl((ep)->base_addr + (off))

Definition at line 185 of file ep93xx_eth.c.

#define rdw	(	ep,
		off
	)	__raw_readw((ep)->base_addr + (off))

Definition at line 184 of file ep93xx_eth.c.

#define REG_AFP 0x004c

Definition at line 59 of file ep93xx_eth.c.

#define REG_BMCTL 0x0080

Definition at line 68 of file ep93xx_eth.c.

#define REG_BMCTL_ENABLE_RX 0x00000001

Definition at line 70 of file ep93xx_eth.c.

#define REG_BMCTL_ENABLE_TX 0x00000100

Definition at line 69 of file ep93xx_eth.c.

#define REG_BMSTS 0x0084

Definition at line 71 of file ep93xx_eth.c.

#define REG_BMSTS_RX_ACTIVE 0x00000008

Definition at line 72 of file ep93xx_eth.c.

#define REG_GIINTMSK 0x0064

Definition at line 66 of file ep93xx_eth.c.

#define REG_GIINTMSK_ENABLE 0x00008000

Definition at line 67 of file ep93xx_eth.c.

#define REG_INDAD0 0x0050

Definition at line 60 of file ep93xx_eth.c.

#define REG_INDAD1 0x0051

Definition at line 61 of file ep93xx_eth.c.

#define REG_INDAD2 0x0052

Definition at line 62 of file ep93xx_eth.c.

#define REG_INDAD3 0x0053

Definition at line 63 of file ep93xx_eth.c.

#define REG_INDAD4 0x0054

Definition at line 64 of file ep93xx_eth.c.

#define REG_INDAD5 0x0055

Definition at line 65 of file ep93xx_eth.c.

#define REG_INTEN 0x0024

Definition at line 52 of file ep93xx_eth.c.

#define REG_INTEN_RX 0x00000007

Definition at line 54 of file ep93xx_eth.c.

#define REG_INTEN_TX 0x00000008

Definition at line 53 of file ep93xx_eth.c.

#define REG_INTSTS_RX 0x00000004

Definition at line 57 of file ep93xx_eth.c.

#define REG_INTSTS_TX 0x00000008

Definition at line 56 of file ep93xx_eth.c.

#define REG_INTSTSC 0x002c

Definition at line 58 of file ep93xx_eth.c.

#define REG_INTSTSP 0x0028

Definition at line 55 of file ep93xx_eth.c.

#define REG_MAXFRMLEN 0x00e8

Definition at line 88 of file ep93xx_eth.c.

#define REG_MIICMD 0x0010

Definition at line 44 of file ep93xx_eth.c.

#define REG_MIICMD_READ 0x00008000

Definition at line 45 of file ep93xx_eth.c.

#define REG_MIICMD_WRITE 0x00004000

Definition at line 46 of file ep93xx_eth.c.

#define REG_MIIDATA 0x0014

Definition at line 47 of file ep93xx_eth.c.

#define REG_MIISTS 0x0018

Definition at line 48 of file ep93xx_eth.c.

#define REG_MIISTS_BUSY 0x00000001

Definition at line 49 of file ep93xx_eth.c.

#define REG_RXCTL 0x0000

Definition at line 40 of file ep93xx_eth.c.

#define REG_RXCTL_DEFAULT 0x00073800

Definition at line 41 of file ep93xx_eth.c.

#define REG_RXDCURADD 0x0098

Definition at line 75 of file ep93xx_eth.c.

#define REG_RXDENQ 0x009c

Definition at line 76 of file ep93xx_eth.c.

#define REG_RXDQBADD 0x0090

Definition at line 73 of file ep93xx_eth.c.

#define REG_RXDQBLEN 0x0094

Definition at line 74 of file ep93xx_eth.c.

#define REG_RXSTSENQ 0x00ac

Definition at line 80 of file ep93xx_eth.c.

#define REG_RXSTSQBADD 0x00a0

Definition at line 77 of file ep93xx_eth.c.

#define REG_RXSTSQBLEN 0x00a4

Definition at line 78 of file ep93xx_eth.c.

#define REG_RXSTSQCURADD 0x00a8

Definition at line 79 of file ep93xx_eth.c.

#define REG_SELFCTL 0x0020

Definition at line 50 of file ep93xx_eth.c.

#define REG_SELFCTL_RESET 0x00000001

Definition at line 51 of file ep93xx_eth.c.

#define REG_TXCTL 0x0004

Definition at line 42 of file ep93xx_eth.c.

#define REG_TXCTL_ENABLE 0x00000001

Definition at line 43 of file ep93xx_eth.c.

#define REG_TXDENQ 0x00bc

Definition at line 84 of file ep93xx_eth.c.

#define REG_TXDQBADD 0x00b0

Definition at line 81 of file ep93xx_eth.c.

#define REG_TXDQBLEN 0x00b4

Definition at line 82 of file ep93xx_eth.c.

#define REG_TXDQCURADD 0x00b8

Definition at line 83 of file ep93xx_eth.c.

#define REG_TXSTSQBADD 0x00c0

Definition at line 85 of file ep93xx_eth.c.

#define REG_TXSTSQBLEN 0x00c4

Definition at line 86 of file ep93xx_eth.c.

#define REG_TXSTSQCURADD 0x00c8

Definition at line 87 of file ep93xx_eth.c.

#define RSTAT0_AM 0x00c00000

Definition at line 110 of file ep93xx_eth.c.

#define RSTAT0_CRCE 0x00010000

Definition at line 116 of file ep93xx_eth.c.

#define RSTAT0_CRCI 0x00008000

Definition at line 117 of file ep93xx_eth.c.

#define RSTAT0_EDATA 0x00020000

Definition at line 115 of file ep93xx_eth.c.

#define RSTAT0_EOB 0x10000000

Definition at line 109 of file ep93xx_eth.c.

#define RSTAT0_EOF 0x20000000

Definition at line 108 of file ep93xx_eth.c.

#define RSTAT0_FE 0x00080000

Definition at line 113 of file ep93xx_eth.c.

#define RSTAT0_HTI 0x00003f00

Definition at line 118 of file ep93xx_eth.c.

#define RSTAT0_OE 0x00100000

Definition at line 112 of file ep93xx_eth.c.

#define RSTAT0_RFP 0x80000000

Definition at line 106 of file ep93xx_eth.c.

#define RSTAT0_RUNT 0x00040000

Definition at line 114 of file ep93xx_eth.c.

#define RSTAT0_RWE 0x40000000

Definition at line 107 of file ep93xx_eth.c.

#define RSTAT0_RX_ERR 0x00200000

Definition at line 111 of file ep93xx_eth.c.

#define RSTAT1_BUFFER_INDEX 0x7fff0000

Definition at line 120 of file ep93xx_eth.c.

#define RSTAT1_FRAME_LENGTH 0x0000ffff

Definition at line 121 of file ep93xx_eth.c.

#define RSTAT1_RFP 0x80000000

Definition at line 119 of file ep93xx_eth.c.

#define RX_QUEUE_ENTRIES 64

Definition at line 34 of file ep93xx_eth.c.

#define TDESC1_BUFFER_ABORT 0x00008000

Definition at line 131 of file ep93xx_eth.c.

#define TDESC1_BUFFER_INDEX 0x7fff0000

Definition at line 130 of file ep93xx_eth.c.

#define TDESC1_BUFFER_LENGTH 0x00000fff

Definition at line 132 of file ep93xx_eth.c.

#define TDESC1_EOF 0x80000000

Definition at line 129 of file ep93xx_eth.c.

#define TSTAT0_BUFFER_INDEX 0x00007fff

Definition at line 147 of file ep93xx_eth.c.

#define TSTAT0_ECOLL 0x01000000

Definition at line 145 of file ep93xx_eth.c.

#define TSTAT0_FA 0x20000000

Definition at line 141 of file ep93xx_eth.c.

#define TSTAT0_LCRS 0x10000000

Definition at line 142 of file ep93xx_eth.c.

#define TSTAT0_NCOLL 0x001f0000

Definition at line 146 of file ep93xx_eth.c.

#define TSTAT0_OW 0x04000000

Definition at line 143 of file ep93xx_eth.c.

#define TSTAT0_TXFP 0x80000000

Definition at line 139 of file ep93xx_eth.c.

#define TSTAT0_TXU 0x02000000

Definition at line 144 of file ep93xx_eth.c.

#define TSTAT0_TXWE 0x40000000

Definition at line 140 of file ep93xx_eth.c.

#define TX_QUEUE_ENTRIES 8

Definition at line 35 of file ep93xx_eth.c.

#define wrb	(	ep,
		off,
		val
	)	__raw_writeb((val), (ep)->base_addr + (off))

Definition at line 186 of file ep93xx_eth.c.

#define wrl	(	ep,
		off,
		val
	)	__raw_writel((val), (ep)->base_addr + (off))

Definition at line 188 of file ep93xx_eth.c.

#define wrw	(	ep,
		off,
		val
	)	__raw_writew((val), (ep)->base_addr + (off))

Definition at line 187 of file ep93xx_eth.c.

Function Documentation

MODULE_ALIAS ( "platform:ep93xx-eth" )

module_exit ( ep93xx_eth_cleanup_module )

module_init ( ep93xx_eth_init_module )

MODULE_LICENSE ( "GPL" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation