sema.c File Reference

#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <delay.h>
#include <OEM.h>
#include <Porting.h>
#include <AGESA.h>
#include <northbridge/amd/agesa/dimmSpd.h>
#include "sema.h"

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Macros
#define	SMB0_STATUS   ((SMBUS0_BASE_ADDRESS) + 0)
#define	SMB0_CONTROL   ((SMBUS0_BASE_ADDRESS) + 2)
#define	SMB0_HOSTCMD   ((SMBUS0_BASE_ADDRESS) + 3)
#define	SMB0_ADDRESS   ((SMBUS0_BASE_ADDRESS) + 4)
#define	SMB0_DATA0   ((SMBUS0_BASE_ADDRESS) + 5)
#define	SMB0_BLOCKDATA   ((SMBUS0_BASE_ADDRESS) + 7)
#define	RETRY_COUNT   100

Functions
static int	smb_write_blk (u8 slave, u8 command, u8 length, const u8 *data)
static void	early_mdelay (int msecs)
int	sema_send_alive (void)

Macro Definition Documentation

RETRY_COUNT

#define RETRY_COUNT   100

Definition at line 37 of file sema.c.

SMB0_ADDRESS

#define SMB0_ADDRESS   ((SMBUS0_BASE_ADDRESS) + 4)

Definition at line 18 of file sema.c.

SMB0_BLOCKDATA

#define SMB0_BLOCKDATA   ((SMBUS0_BASE_ADDRESS) + 7)

Definition at line 20 of file sema.c.

SMB0_CONTROL

#define SMB0_CONTROL   ((SMBUS0_BASE_ADDRESS) + 2)

Definition at line 16 of file sema.c.

SMB0_DATA0

#define SMB0_DATA0   ((SMBUS0_BASE_ADDRESS) + 5)

Definition at line 19 of file sema.c.

SMB0_HOSTCMD

#define SMB0_HOSTCMD   ((SMBUS0_BASE_ADDRESS) + 3)

Definition at line 17 of file sema.c.

SMB0_STATUS

#define SMB0_STATUS   ((SMBUS0_BASE_ADDRESS) + 0)

Definition at line 15 of file sema.c.

Function Documentation

early_mdelay()

static void early_mdelay ( int  msecs )

static

Definition at line 40 of file sema.c.

References inb().

Referenced by sema_send_alive().

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sema_send_alive()

int sema_send_alive

(

void

)

Definition at line 49 of file sema.c.

References BIOS_CRIT, BIOS_INFO, early_mdelay(), ENV_ROMSTAGE, printk, RETRY_COUNT, smb_write_blk(), and smbus_readSpd().

Referenced by init().

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smb_write_blk()

static int smb_write_blk ( u8  slave, u8  command, u8  length, const u8 *  data  )

static

Definition at line 22 of file sema.c.

References length, slave, SMB0_ADDRESS, SMB0_BLOCKDATA, SMB0_CONTROL, SMB0_DATA0, SMB0_HOSTCMD, and SMB0_STATUS.

Referenced by sema_send_alive().

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