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[PATCH] cs89x0: cleanly implement ixdp2x01 and pnx0501 support 

Implement suitable versions of the readword/writeword macros for ixdp2x01 and
pnx0501.  Handle the 32-bit spacing of the registers in these functions
instead of in the header file.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: dmitry pervushin <dpervushin@ru.mvista.com>
Cc: <dsaxena@plexity.net>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Lennert Buytenhek 2006-01-08 01:01:11 -08:00 committed by Linus Torvalds
parent 3eaa5e7dcc
commit 3b68d70dff
2 changed files with 34 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/net/cs89x0.c
View File

@ -338,6 +338,32 @@ struct net_device * __init cs89x0_probe(int unit)
} }
#endif #endif
#if defined(CONFIG_ARCH_IXDP2X01)
static int
readword(unsigned long base_addr, int portno)
{
return (u16)__raw_readl(base_addr + (portno << 1));
}
static void
writeword(unsigned long base_addr, int portno, int value)
{
__raw_writel((u16)value, base_addr + (portno << 1));
}
#else
#if defined(CONFIG_ARCH_PNX0501)
static int
readword(unsigned long base_addr, int portno)
{
return inw(base_addr + (portno << 1));
}
static void
writeword(unsigned long base_addr, int portno, int value)
{
outw(value, base_addr + (portno << 1));
}
#else
static int static int
readword(unsigned long base_addr, int portno) readword(unsigned long base_addr, int portno)
{ {
@ -349,6 +375,8 @@ writeword(unsigned long base_addr, int portno, int value)
{ {
outw(value, base_addr + portno); outw(value, base_addr + portno);
} }
#endif
#endif
static int static int
readreg(struct net_device *dev, int regno) readreg(struct net_device *dev, int regno)

19
drivers/net/cs89x0.h
View File

@ -16,13 +16,6 @@
#include <linux/config.h> #include <linux/config.h>
#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105)
/* IXDP2401/IXDP2801 uses dword-aligned register addressing */
#define CS89x0_PORT(reg) ((reg) * 2)
#else
#define CS89x0_PORT(reg) (reg)
#endif
#define PP_ChipID 0x0000 /* offset 0h -> Corp -ID */ #define PP_ChipID 0x0000 /* offset 0h -> Corp -ID */
/* offset 2h -> Model/Product Number */ /* offset 2h -> Model/Product Number */
/* offset 3h -> Chip Revision Number */ /* offset 3h -> Chip Revision Number */
@ -332,16 +325,16 @@
#define RAM_SIZE 0x1000 /* The card has 4k bytes or RAM */ #define RAM_SIZE 0x1000 /* The card has 4k bytes or RAM */
#define PKT_START PP_TxFrame /* Start of packet RAM */ #define PKT_START PP_TxFrame /* Start of packet RAM */
#define RX_FRAME_PORT CS89x0_PORT(0x0000) #define RX_FRAME_PORT 0x0000
#define TX_FRAME_PORT RX_FRAME_PORT #define TX_FRAME_PORT RX_FRAME_PORT
#define TX_CMD_PORT CS89x0_PORT(0x0004) #define TX_CMD_PORT 0x0004
#define TX_NOW 0x0000 /* Tx packet after 5 bytes copied */ #define TX_NOW 0x0000 /* Tx packet after 5 bytes copied */
#define TX_AFTER_381 0x0040 /* Tx packet after 381 bytes copied */ #define TX_AFTER_381 0x0040 /* Tx packet after 381 bytes copied */
#define TX_AFTER_ALL 0x00c0 /* Tx packet after all bytes copied */ #define TX_AFTER_ALL 0x00c0 /* Tx packet after all bytes copied */
#define TX_LEN_PORT CS89x0_PORT(0x0006) #define TX_LEN_PORT 0x0006
#define ISQ_PORT CS89x0_PORT(0x0008) #define ISQ_PORT 0x0008
#define ADD_PORT CS89x0_PORT(0x000A) #define ADD_PORT 0x000A
#define DATA_PORT CS89x0_PORT(0x000C) #define DATA_PORT 0x000C
#define EEPROM_WRITE_EN 0x00F0 #define EEPROM_WRITE_EN 0x00F0
#define EEPROM_WRITE_DIS 0x0000 #define EEPROM_WRITE_DIS 0x0000