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Commit 7c370f91 authored by Vasanthakumar Thiagarajan's avatar Vasanthakumar Thiagarajan Committed by Greg Kroah-Hartman
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ath6kl: Remove unused eeprom.c 

Also delete si_reg.h which is only used in eeprom.c
Signed-off-by: default avatarVasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 0ef18385
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drivers/staging/ath6kl/include/common/AR6002/hw4.0/hw/si_reg.h deleted 100644 → 0
View file @ 0ef18385
// ------------------------------------------------------------------
// Copyright (c) 2004-2010 Atheros Corporation. All rights reserved.
//
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
//
// ------------------------------------------------------------------
//===================================================================
// Author(s): ="Atheros"
//===================================================================
#ifndef _SI_REG_REG_H_
#define _SI_REG_REG_H_
#define SI_CONFIG_ADDRESS 0x00000000
#define SI_CONFIG_OFFSET 0x00000000
#define SI_CONFIG_ERR_INT_MSB 19
#define SI_CONFIG_ERR_INT_LSB 19
#define SI_CONFIG_ERR_INT_MASK 0x00080000
#define SI_CONFIG_ERR_INT_GET(x) (((x) & SI_CONFIG_ERR_INT_MASK) >> SI_CONFIG_ERR_INT_LSB)
#define SI_CONFIG_ERR_INT_SET(x) (((x) << SI_CONFIG_ERR_INT_LSB) & SI_CONFIG_ERR_INT_MASK)
#define SI_CONFIG_BIDIR_OD_DATA_MSB 18
#define SI_CONFIG_BIDIR_OD_DATA_LSB 18
#define SI_CONFIG_BIDIR_OD_DATA_MASK 0x00040000
#define SI_CONFIG_BIDIR_OD_DATA_GET(x) (((x) & SI_CONFIG_BIDIR_OD_DATA_MASK) >> SI_CONFIG_BIDIR_OD_DATA_LSB)
#define SI_CONFIG_BIDIR_OD_DATA_SET(x) (((x) << SI_CONFIG_BIDIR_OD_DATA_LSB) & SI_CONFIG_BIDIR_OD_DATA_MASK)
#define SI_CONFIG_I2C_MSB 16
#define SI_CONFIG_I2C_LSB 16
#define SI_CONFIG_I2C_MASK 0x00010000
#define SI_CONFIG_I2C_GET(x) (((x) & SI_CONFIG_I2C_MASK) >> SI_CONFIG_I2C_LSB)
#define SI_CONFIG_I2C_SET(x) (((x) << SI_CONFIG_I2C_LSB) & SI_CONFIG_I2C_MASK)
#define SI_CONFIG_POS_SAMPLE_MSB 7
#define SI_CONFIG_POS_SAMPLE_LSB 7
#define SI_CONFIG_POS_SAMPLE_MASK 0x00000080
#define SI_CONFIG_POS_SAMPLE_GET(x) (((x) & SI_CONFIG_POS_SAMPLE_MASK) >> SI_CONFIG_POS_SAMPLE_LSB)
#define SI_CONFIG_POS_SAMPLE_SET(x) (((x) << SI_CONFIG_POS_SAMPLE_LSB) & SI_CONFIG_POS_SAMPLE_MASK)
#define SI_CONFIG_POS_DRIVE_MSB 6
#define SI_CONFIG_POS_DRIVE_LSB 6
#define SI_CONFIG_POS_DRIVE_MASK 0x00000040
#define SI_CONFIG_POS_DRIVE_GET(x) (((x) & SI_CONFIG_POS_DRIVE_MASK) >> SI_CONFIG_POS_DRIVE_LSB)
#define SI_CONFIG_POS_DRIVE_SET(x) (((x) << SI_CONFIG_POS_DRIVE_LSB) & SI_CONFIG_POS_DRIVE_MASK)
#define SI_CONFIG_INACTIVE_DATA_MSB 5
#define SI_CONFIG_INACTIVE_DATA_LSB 5
#define SI_CONFIG_INACTIVE_DATA_MASK 0x00000020
#define SI_CONFIG_INACTIVE_DATA_GET(x) (((x) & SI_CONFIG_INACTIVE_DATA_MASK) >> SI_CONFIG_INACTIVE_DATA_LSB)
#define SI_CONFIG_INACTIVE_DATA_SET(x) (((x) << SI_CONFIG_INACTIVE_DATA_LSB) & SI_CONFIG_INACTIVE_DATA_MASK)
#define SI_CONFIG_INACTIVE_CLK_MSB 4
#define SI_CONFIG_INACTIVE_CLK_LSB 4
#define SI_CONFIG_INACTIVE_CLK_MASK 0x00000010
#define SI_CONFIG_INACTIVE_CLK_GET(x) (((x) & SI_CONFIG_INACTIVE_CLK_MASK) >> SI_CONFIG_INACTIVE_CLK_LSB)
#define SI_CONFIG_INACTIVE_CLK_SET(x) (((x) << SI_CONFIG_INACTIVE_CLK_LSB) & SI_CONFIG_INACTIVE_CLK_MASK)
#define SI_CONFIG_DIVIDER_MSB 3
#define SI_CONFIG_DIVIDER_LSB 0
#define SI_CONFIG_DIVIDER_MASK 0x0000000f
#define SI_CONFIG_DIVIDER_GET(x) (((x) & SI_CONFIG_DIVIDER_MASK) >> SI_CONFIG_DIVIDER_LSB)
#define SI_CONFIG_DIVIDER_SET(x) (((x) << SI_CONFIG_DIVIDER_LSB) & SI_CONFIG_DIVIDER_MASK)
#define SI_CS_ADDRESS 0x00000004
#define SI_CS_OFFSET 0x00000004
#define SI_CS_BIT_CNT_IN_LAST_BYTE_MSB 13
#define SI_CS_BIT_CNT_IN_LAST_BYTE_LSB 11
#define SI_CS_BIT_CNT_IN_LAST_BYTE_MASK 0x00003800
#define SI_CS_BIT_CNT_IN_LAST_BYTE_GET(x) (((x) & SI_CS_BIT_CNT_IN_LAST_BYTE_MASK) >> SI_CS_BIT_CNT_IN_LAST_BYTE_LSB)
#define SI_CS_BIT_CNT_IN_LAST_BYTE_SET(x) (((x) << SI_CS_BIT_CNT_IN_LAST_BYTE_LSB) & SI_CS_BIT_CNT_IN_LAST_BYTE_MASK)
#define SI_CS_DONE_ERR_MSB 10
#define SI_CS_DONE_ERR_LSB 10
#define SI_CS_DONE_ERR_MASK 0x00000400
#define SI_CS_DONE_ERR_GET(x) (((x) & SI_CS_DONE_ERR_MASK) >> SI_CS_DONE_ERR_LSB)
#define SI_CS_DONE_ERR_SET(x) (((x) << SI_CS_DONE_ERR_LSB) & SI_CS_DONE_ERR_MASK)
#define SI_CS_DONE_INT_MSB 9
#define SI_CS_DONE_INT_LSB 9
#define SI_CS_DONE_INT_MASK 0x00000200
#define SI_CS_DONE_INT_GET(x) (((x) & SI_CS_DONE_INT_MASK) >> SI_CS_DONE_INT_LSB)
#define SI_CS_DONE_INT_SET(x) (((x) << SI_CS_DONE_INT_LSB) & SI_CS_DONE_INT_MASK)
#define SI_CS_START_MSB 8
#define SI_CS_START_LSB 8
#define SI_CS_START_MASK 0x00000100
#define SI_CS_START_GET(x) (((x) & SI_CS_START_MASK) >> SI_CS_START_LSB)
#define SI_CS_START_SET(x) (((x) << SI_CS_START_LSB) & SI_CS_START_MASK)
#define SI_CS_RX_CNT_MSB 7
#define SI_CS_RX_CNT_LSB 4
#define SI_CS_RX_CNT_MASK 0x000000f0
#define SI_CS_RX_CNT_GET(x) (((x) & SI_CS_RX_CNT_MASK) >> SI_CS_RX_CNT_LSB)
#define SI_CS_RX_CNT_SET(x) (((x) << SI_CS_RX_CNT_LSB) & SI_CS_RX_CNT_MASK)
#define SI_CS_TX_CNT_MSB 3
#define SI_CS_TX_CNT_LSB 0
#define SI_CS_TX_CNT_MASK 0x0000000f
#define SI_CS_TX_CNT_GET(x) (((x) & SI_CS_TX_CNT_MASK) >> SI_CS_TX_CNT_LSB)
#define SI_CS_TX_CNT_SET(x) (((x) << SI_CS_TX_CNT_LSB) & SI_CS_TX_CNT_MASK)
#define SI_TX_DATA0_ADDRESS 0x00000008
#define SI_TX_DATA0_OFFSET 0x00000008
#define SI_TX_DATA0_DATA3_MSB 31
#define SI_TX_DATA0_DATA3_LSB 24
#define SI_TX_DATA0_DATA3_MASK 0xff000000
#define SI_TX_DATA0_DATA3_GET(x) (((x) & SI_TX_DATA0_DATA3_MASK) >> SI_TX_DATA0_DATA3_LSB)
#define SI_TX_DATA0_DATA3_SET(x) (((x) << SI_TX_DATA0_DATA3_LSB) & SI_TX_DATA0_DATA3_MASK)
#define SI_TX_DATA0_DATA2_MSB 23
#define SI_TX_DATA0_DATA2_LSB 16
#define SI_TX_DATA0_DATA2_MASK 0x00ff0000
#define SI_TX_DATA0_DATA2_GET(x) (((x) & SI_TX_DATA0_DATA2_MASK) >> SI_TX_DATA0_DATA2_LSB)
#define SI_TX_DATA0_DATA2_SET(x) (((x) << SI_TX_DATA0_DATA2_LSB) & SI_TX_DATA0_DATA2_MASK)
#define SI_TX_DATA0_DATA1_MSB 15
#define SI_TX_DATA0_DATA1_LSB 8
#define SI_TX_DATA0_DATA1_MASK 0x0000ff00
#define SI_TX_DATA0_DATA1_GET(x) (((x) & SI_TX_DATA0_DATA1_MASK) >> SI_TX_DATA0_DATA1_LSB)
#define SI_TX_DATA0_DATA1_SET(x) (((x) << SI_TX_DATA0_DATA1_LSB) & SI_TX_DATA0_DATA1_MASK)
#define SI_TX_DATA0_DATA0_MSB 7
#define SI_TX_DATA0_DATA0_LSB 0
#define SI_TX_DATA0_DATA0_MASK 0x000000ff
#define SI_TX_DATA0_DATA0_GET(x) (((x) & SI_TX_DATA0_DATA0_MASK) >> SI_TX_DATA0_DATA0_LSB)
#define SI_TX_DATA0_DATA0_SET(x) (((x) << SI_TX_DATA0_DATA0_LSB) & SI_TX_DATA0_DATA0_MASK)
#define SI_TX_DATA1_ADDRESS 0x0000000c
#define SI_TX_DATA1_OFFSET 0x0000000c
#define SI_TX_DATA1_DATA7_MSB 31
#define SI_TX_DATA1_DATA7_LSB 24
#define SI_TX_DATA1_DATA7_MASK 0xff000000
#define SI_TX_DATA1_DATA7_GET(x) (((x) & SI_TX_DATA1_DATA7_MASK) >> SI_TX_DATA1_DATA7_LSB)
#define SI_TX_DATA1_DATA7_SET(x) (((x) << SI_TX_DATA1_DATA7_LSB) & SI_TX_DATA1_DATA7_MASK)
#define SI_TX_DATA1_DATA6_MSB 23
#define SI_TX_DATA1_DATA6_LSB 16
#define SI_TX_DATA1_DATA6_MASK 0x00ff0000
#define SI_TX_DATA1_DATA6_GET(x) (((x) & SI_TX_DATA1_DATA6_MASK) >> SI_TX_DATA1_DATA6_LSB)
#define SI_TX_DATA1_DATA6_SET(x) (((x) << SI_TX_DATA1_DATA6_LSB) & SI_TX_DATA1_DATA6_MASK)
#define SI_TX_DATA1_DATA5_MSB 15
#define SI_TX_DATA1_DATA5_LSB 8
#define SI_TX_DATA1_DATA5_MASK 0x0000ff00
#define SI_TX_DATA1_DATA5_GET(x) (((x) & SI_TX_DATA1_DATA5_MASK) >> SI_TX_DATA1_DATA5_LSB)
#define SI_TX_DATA1_DATA5_SET(x) (((x) << SI_TX_DATA1_DATA5_LSB) & SI_TX_DATA1_DATA5_MASK)
#define SI_TX_DATA1_DATA4_MSB 7
#define SI_TX_DATA1_DATA4_LSB 0
#define SI_TX_DATA1_DATA4_MASK 0x000000ff
#define SI_TX_DATA1_DATA4_GET(x) (((x) & SI_TX_DATA1_DATA4_MASK) >> SI_TX_DATA1_DATA4_LSB)
#define SI_TX_DATA1_DATA4_SET(x) (((x) << SI_TX_DATA1_DATA4_LSB) & SI_TX_DATA1_DATA4_MASK)
#define SI_RX_DATA0_ADDRESS 0x00000010
#define SI_RX_DATA0_OFFSET 0x00000010
#define SI_RX_DATA0_DATA3_MSB 31
#define SI_RX_DATA0_DATA3_LSB 24
#define SI_RX_DATA0_DATA3_MASK 0xff000000
#define SI_RX_DATA0_DATA3_GET(x) (((x) & SI_RX_DATA0_DATA3_MASK) >> SI_RX_DATA0_DATA3_LSB)
#define SI_RX_DATA0_DATA3_SET(x) (((x) << SI_RX_DATA0_DATA3_LSB) & SI_RX_DATA0_DATA3_MASK)
#define SI_RX_DATA0_DATA2_MSB 23
#define SI_RX_DATA0_DATA2_LSB 16
#define SI_RX_DATA0_DATA2_MASK 0x00ff0000
#define SI_RX_DATA0_DATA2_GET(x) (((x) & SI_RX_DATA0_DATA2_MASK) >> SI_RX_DATA0_DATA2_LSB)
#define SI_RX_DATA0_DATA2_SET(x) (((x) << SI_RX_DATA0_DATA2_LSB) & SI_RX_DATA0_DATA2_MASK)
#define SI_RX_DATA0_DATA1_MSB 15
#define SI_RX_DATA0_DATA1_LSB 8
#define SI_RX_DATA0_DATA1_MASK 0x0000ff00
#define SI_RX_DATA0_DATA1_GET(x) (((x) & SI_RX_DATA0_DATA1_MASK) >> SI_RX_DATA0_DATA1_LSB)
#define SI_RX_DATA0_DATA1_SET(x) (((x) << SI_RX_DATA0_DATA1_LSB) & SI_RX_DATA0_DATA1_MASK)
#define SI_RX_DATA0_DATA0_MSB 7
#define SI_RX_DATA0_DATA0_LSB 0
#define SI_RX_DATA0_DATA0_MASK 0x000000ff
#define SI_RX_DATA0_DATA0_GET(x) (((x) & SI_RX_DATA0_DATA0_MASK) >> SI_RX_DATA0_DATA0_LSB)
#define SI_RX_DATA0_DATA0_SET(x) (((x) << SI_RX_DATA0_DATA0_LSB) & SI_RX_DATA0_DATA0_MASK)
#define SI_RX_DATA1_ADDRESS 0x00000014
#define SI_RX_DATA1_OFFSET 0x00000014
#define SI_RX_DATA1_DATA7_MSB 31
#define SI_RX_DATA1_DATA7_LSB 24
#define SI_RX_DATA1_DATA7_MASK 0xff000000
#define SI_RX_DATA1_DATA7_GET(x) (((x) & SI_RX_DATA1_DATA7_MASK) >> SI_RX_DATA1_DATA7_LSB)
#define SI_RX_DATA1_DATA7_SET(x) (((x) << SI_RX_DATA1_DATA7_LSB) & SI_RX_DATA1_DATA7_MASK)
#define SI_RX_DATA1_DATA6_MSB 23
#define SI_RX_DATA1_DATA6_LSB 16
#define SI_RX_DATA1_DATA6_MASK 0x00ff0000
#define SI_RX_DATA1_DATA6_GET(x) (((x) & SI_RX_DATA1_DATA6_MASK) >> SI_RX_DATA1_DATA6_LSB)
#define SI_RX_DATA1_DATA6_SET(x) (((x) << SI_RX_DATA1_DATA6_LSB) & SI_RX_DATA1_DATA6_MASK)
#define SI_RX_DATA1_DATA5_MSB 15
#define SI_RX_DATA1_DATA5_LSB 8
#define SI_RX_DATA1_DATA5_MASK 0x0000ff00
#define SI_RX_DATA1_DATA5_GET(x) (((x) & SI_RX_DATA1_DATA5_MASK) >> SI_RX_DATA1_DATA5_LSB)
#define SI_RX_DATA1_DATA5_SET(x) (((x) << SI_RX_DATA1_DATA5_LSB) & SI_RX_DATA1_DATA5_MASK)
#define SI_RX_DATA1_DATA4_MSB 7
#define SI_RX_DATA1_DATA4_LSB 0
#define SI_RX_DATA1_DATA4_MASK 0x000000ff
#define SI_RX_DATA1_DATA4_GET(x) (((x) & SI_RX_DATA1_DATA4_MASK) >> SI_RX_DATA1_DATA4_LSB)
#define SI_RX_DATA1_DATA4_SET(x) (((x) << SI_RX_DATA1_DATA4_LSB) & SI_RX_DATA1_DATA4_MASK)
#ifndef __ASSEMBLER__
typedef struct si_reg_reg_s {
volatile unsigned int si_config;
volatile unsigned int si_cs;
volatile unsigned int si_tx_data0;
volatile unsigned int si_tx_data1;
volatile unsigned int si_rx_data0;
volatile unsigned int si_rx_data1;
} si_reg_reg_t;
#endif /* __ASSEMBLER__ */
#endif /* _SI_REG_H_ */
drivers/staging/ath6kl/miscdrv/common_drv.c
View file @ 7c370f91
......@@ -25,7 +25,6 @@
#include "athdefs.h"
#include "hw/mbox_host_reg.h"
#include "hw/si_reg.h"
#include "AR6002/hw2.0/hw/gpio_reg.h"
#include "hw/rtc_reg.h"
#include "hw/mbox_reg.h"
......
drivers/staging/ath6kl/os/linux/eeprom.c deleted 100644 → 0
View file @ 0ef18385
//------------------------------------------------------------------------------
// Copyright (c) 2004-2010 Atheros Communications Inc.
// All rights reserved.
//
//
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
//
//
// Author(s): ="Atheros"
//------------------------------------------------------------------------------
#include "ar6000_drv.h"
#include "htc.h"
#include <linux/fs.h>
#include "AR6002/hw2.0/hw/gpio_reg.h"
#include "hw/si_reg.h"
//
// defines
//
#define MAX_FILENAME 1023
#define EEPROM_WAIT_LIMIT 16
#define HOST_INTEREST_ITEM_ADDRESS(item) \
(AR6002_HOST_INTEREST_ITEM_ADDRESS(item))
#define EEPROM_SZ 768
/* soft mac */
#define ATH_MAC_LEN 6
#define ATH_SOFT_MAC_TMP_BUF_LEN 64
unsigned char mac_addr[ATH_MAC_LEN];
unsigned char soft_mac_tmp_buf[ATH_SOFT_MAC_TMP_BUF_LEN];
char *p_mac = NULL;
/* soft mac */
//
// static variables
//
static u8 eeprom_data[EEPROM_SZ];
static u32 sys_sleep_reg;
static struct hif_device *p_bmi_device;
//
// Functions
//
/* soft mac */
static int
wmic_ether_aton(const char *orig, u8 *eth)
{
const char *bufp;
int i;
i = 0;
for(bufp = orig; *bufp != '\0'; ++bufp) {
unsigned int val;
int h, l;
h = hex_to_bin(*bufp++);
if (h < 0) {
printk("%s: MAC value is invalid\n", __FUNCTION__);
break;
}
l = hex_to_bin(*bufp++);
if (l < 0) {
printk("%s: MAC value is invalid\n", __FUNCTION__);
break;
}
val = (h << 4) | l;
eth[i] = (unsigned char) (val & 0377);
if(++i == ATH_MAC_LEN) {
/* That's it. Any trailing junk? */
if (*bufp != '\0') {
return 0;
}
return 1;
}
if (*bufp != ':')
break;
}
return 0;
}
static void
update_mac(unsigned char *eeprom, int size, unsigned char *macaddr)
{
int i;
u16 *ptr = (u16 *)(eeprom+4);
u16 checksum = 0;
memcpy(eeprom+10,macaddr,6);
*ptr = 0;
ptr = (u16 *)eeprom;
for (i=0; i<size; i+=2) {
checksum ^= *ptr++;
}
checksum = ~checksum;
ptr = (u16 *)(eeprom+4);
*ptr = checksum;
return;
}
/* soft mac */
/* Read a Target register and return its value. */
inline void
BMI_read_reg(u32 address, u32 *pvalue)
{
BMIReadSOCRegister(p_bmi_device, address, pvalue);
}
/* Write a value to a Target register. */
inline void
BMI_write_reg(u32 address, u32 value)
{
BMIWriteSOCRegister(p_bmi_device, address, value);
}
/* Read Target memory word and return its value. */
inline void
BMI_read_mem(u32 address, u32 *pvalue)
{
BMIReadMemory(p_bmi_device, address, (u8*)(pvalue), 4);
}
/* Write a word to a Target memory. */
inline void
BMI_write_mem(u32 address, u8 *p_data, u32 sz)
{
BMIWriteMemory(p_bmi_device, address, (u8*)(p_data), sz);
}
/*
* Enable and configure the Target's Serial Interface
* so we can access the EEPROM.
*/
static void
enable_SI(struct hif_device *p_device)
{
u32 regval;
printk("%s\n", __FUNCTION__);
p_bmi_device = p_device;
BMI_read_reg(RTC_BASE_ADDRESS+SYSTEM_SLEEP_OFFSET, &sys_sleep_reg);
BMI_write_reg(RTC_BASE_ADDRESS+SYSTEM_SLEEP_OFFSET, SYSTEM_SLEEP_DISABLE_SET(1)); //disable system sleep temporarily
BMI_read_reg(RTC_BASE_ADDRESS+CLOCK_CONTROL_OFFSET, &regval);
regval &= ~CLOCK_CONTROL_SI0_CLK_MASK;
BMI_write_reg(RTC_BASE_ADDRESS+CLOCK_CONTROL_OFFSET, regval);
BMI_read_reg(RTC_BASE_ADDRESS+RESET_CONTROL_OFFSET, &regval);
regval &= ~RESET_CONTROL_SI0_RST_MASK;
BMI_write_reg(RTC_BASE_ADDRESS+RESET_CONTROL_OFFSET, regval);
BMI_read_reg(GPIO_BASE_ADDRESS+GPIO_PIN0_OFFSET, &regval);
regval &= ~GPIO_PIN0_CONFIG_MASK;
BMI_write_reg(GPIO_BASE_ADDRESS+GPIO_PIN0_OFFSET, regval);
BMI_read_reg(GPIO_BASE_ADDRESS+GPIO_PIN1_OFFSET, &regval);
regval &= ~GPIO_PIN1_CONFIG_MASK;
BMI_write_reg(GPIO_BASE_ADDRESS+GPIO_PIN1_OFFSET, regval);
/* SI_CONFIG = 0x500a6; */
regval = SI_CONFIG_BIDIR_OD_DATA_SET(1) |
SI_CONFIG_I2C_SET(1) |
SI_CONFIG_POS_SAMPLE_SET(1) |
SI_CONFIG_INACTIVE_CLK_SET(1) |
SI_CONFIG_INACTIVE_DATA_SET(1) |
SI_CONFIG_DIVIDER_SET(6);
BMI_write_reg(SI_BASE_ADDRESS+SI_CONFIG_OFFSET, regval);
}
static void
disable_SI(void)
{
u32 regval;
printk("%s\n", __FUNCTION__);
BMI_write_reg(RTC_BASE_ADDRESS+RESET_CONTROL_OFFSET, RESET_CONTROL_SI0_RST_MASK);
BMI_read_reg(RTC_BASE_ADDRESS+CLOCK_CONTROL_OFFSET, &regval);
regval |= CLOCK_CONTROL_SI0_CLK_MASK;
BMI_write_reg(RTC_BASE_ADDRESS+CLOCK_CONTROL_OFFSET, regval);//Gate SI0 clock
BMI_write_reg(RTC_BASE_ADDRESS+SYSTEM_SLEEP_OFFSET, sys_sleep_reg); //restore system sleep setting
}
/*
* Tell the Target to start an 8-byte read from EEPROM,
* putting the results in Target RX_DATA registers.
*/
static void
request_8byte_read(int offset)
{
u32 regval;
// printk("%s: request_8byte_read from offset 0x%x\n", __FUNCTION__, offset);
/* SI_TX_DATA0 = read from offset */
regval =(0xa1<<16)|
((offset & 0xff)<<8) |
(0xa0 | ((offset & 0xff00)>>7));
BMI_write_reg(SI_BASE_ADDRESS+SI_TX_DATA0_OFFSET, regval);
regval = SI_CS_START_SET(1) |
SI_CS_RX_CNT_SET(8) |
SI_CS_TX_CNT_SET(3);
BMI_write_reg(SI_BASE_ADDRESS+SI_CS_OFFSET, regval);
}
/*
* Tell the Target to start a 4-byte write to EEPROM,
* writing values from Target TX_DATA registers.
*/
static void
request_4byte_write(int offset, u32 data)
{
u32 regval;
printk("%s: request_4byte_write (0x%x) to offset 0x%x\n", __FUNCTION__, data, offset);
/* SI_TX_DATA0 = write data to offset */
regval = ((data & 0xffff) <<16) |
((offset & 0xff)<<8) |
(0xa0 | ((offset & 0xff00)>>7));
BMI_write_reg(SI_BASE_ADDRESS+SI_TX_DATA0_OFFSET, regval);
regval = data >> 16;
BMI_write_reg(SI_BASE_ADDRESS+SI_TX_DATA1_OFFSET, regval);
regval = SI_CS_START_SET(1) |
SI_CS_RX_CNT_SET(0) |
SI_CS_TX_CNT_SET(6);
BMI_write_reg(SI_BASE_ADDRESS+SI_CS_OFFSET, regval);
}
/*
* Check whether or not an EEPROM request that was started
* earlier has completed yet.
*/
static bool
request_in_progress(void)
{
u32 regval;
/* Wait for DONE_INT in SI_CS */
BMI_read_reg(SI_BASE_ADDRESS+SI_CS_OFFSET, &regval);
// printk("%s: request in progress SI_CS=0x%x\n", __FUNCTION__, regval);
if (regval & SI_CS_DONE_ERR_MASK) {
printk("%s: EEPROM signaled ERROR (0x%x)\n", __FUNCTION__, regval);
}
return (!(regval & SI_CS_DONE_INT_MASK));
}
/*
* try to detect the type of EEPROM,16bit address or 8bit address
*/
static void eeprom_type_detect(void)
{
u32 regval;
u8 i = 0;
request_8byte_read(0x100);
/* Wait for DONE_INT in SI_CS */
do{
BMI_read_reg(SI_BASE_ADDRESS+SI_CS_OFFSET, &regval);
if (regval & SI_CS_DONE_ERR_MASK) {
printk("%s: ERROR : address type was wrongly set\n", __FUNCTION__);
break;
}
if (i++ == EEPROM_WAIT_LIMIT) {
printk("%s: EEPROM not responding\n", __FUNCTION__);
}
} while(!(regval & SI_CS_DONE_INT_MASK));
}
/*
* Extract the results of a completed EEPROM Read request
* and return them to the caller.
*/
inline void
read_8byte_results(u32 *data)
{
/* Read SI_RX_DATA0 and SI_RX_DATA1 */
BMI_read_reg(SI_BASE_ADDRESS+SI_RX_DATA0_OFFSET, &data[0]);
BMI_read_reg(SI_BASE_ADDRESS+SI_RX_DATA1_OFFSET, &data[1]);
}
/*
* Wait for a previously started command to complete.
* Timeout if the command is takes "too long".
*/
static void
wait_for_eeprom_completion(void)
{
int i=0;
while (request_in_progress()) {
if (i++ == EEPROM_WAIT_LIMIT) {
printk("%s: EEPROM not responding\n", __FUNCTION__);
}
}
}
/*
* High-level function which starts an 8-byte read,
* waits for it to complete, and returns the result.
*/
static void
fetch_8bytes(int offset, u32 *data)
{
request_8byte_read(offset);
wait_for_eeprom_completion();
read_8byte_results(data);
/* Clear any pending intr */
BMI_write_reg(SI_BASE_ADDRESS+SI_CS_OFFSET, SI_CS_DONE_INT_MASK);
}
/*
* High-level function which starts a 4-byte write,
* and waits for it to complete.
*/
inline void
commit_4bytes(int offset, u32 data)
{
request_4byte_write(offset, data);
wait_for_eeprom_completion();
}
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