static void mcsdl_reboot_mcs(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SCL, 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SDA, 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT();
mcsdl_vdd_off();
gpio_set_value(GPIO_I2C0_SCL, 0); // TOUCH SCL DIS
gpio_set_value(GPIO_I2C0_SDA, 0); // TOUCH SDA DIS
msleep(300);
gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SCL, 0, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SDA, 0, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
MCSDL_RESETB_SET_INPUT();
MCSDL_RESETB_SET_HIGH();
gpio_set_value(GPIO_I2C0_SCL, 1); // TOUCH SCL EN
gpio_set_value(GPIO_I2C0_SDA, 1); // TOUCH SDA EN
mcsdl_vdd_on();
msleep(300);
/*
MCSDL_VDD_SET_LOW();
//MCSDL_CE_SET_LOW();
//MCSDL_CE_SET_OUTPUT();
MCSDL_GPIO_SDA_SET_HIGH();
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_GPIO_SCL_SET_HIGH();
MCSDL_GPIO_SCL_SET_OUTPUT();
//MCSDL_SET_HW_I2C();
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT();
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_RESETB_SET_INPUT();
MCSDL_VDD_SET_HIGH();
MCSDL_RESETB_SET_HIGH();
//MCSDL_CE_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_30MS); // Delay '25 msec'
*/
}
static void mcsdl_select_isp_mode(UINT8 ucMode)
{
int i;
UINT8 enteringCodeMassErase[16] = { 0,1,0,1,1,0,0,1,1,1,1,1,0,0,1,1 };
UINT8 enteringCodeSerialWrite[16] = { 0,1,1,0,0,0,1,0,1,1,0,0,1,1,0,1 };
UINT8 enteringCodeSerialRead[16] = { 0,1,1,0,1,0,1,0,1,1,0,0,1,0,0,1 };
UINT8 enteringCodeNextChipBypass[16] = { 1,1,0,1,1,0,0,1,0,0,1,0,1,1,0,1 };
UINT8 *pCode;
//------------------------------------
// Entering ISP mode : Part 1
//------------------------------------
if( ucMode == ISP_MODE_ERASE_FLASH ) pCode = enteringCodeMassErase;
else if( ucMode == ISP_MODE_SERIAL_WRITE ) pCode = enteringCodeSerialWrite;
else if( ucMode == ISP_MODE_SERIAL_READ ) pCode = enteringCodeSerialRead;
else if( ucMode == ISP_MODE_NEXT_CHIP_BYPASS ) pCode = enteringCodeNextChipBypass;
for(i=0; i<16; i++){
if( pCode[i] == 1 )
MCSDL_RESETB_SET_HIGH();
else
MCSDL_RESETB_SET_LOW();
mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_delay(MCSDL_DELAY_3US);
}
MCSDL_RESETB_SET_HIGH(); // High
//---------------------------------------------------
// Entering ISP mode : Part 2 - Only Mass Erase
//---------------------------------------------------
if( ucMode == ISP_MODE_ERASE_FLASH ){
mcsdl_delay(MCSDL_DELAY_7US);
for(i=0; i<4; i++){
if( i==2 ) mcsdl_delay(MCSDL_DELAY_25MS);
else if( i==3 ) mcsdl_delay(MCSDL_DELAY_150US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_delay(MCSDL_DELAY_7US);
}
}
}
static void mcsdl_unselect_isp_mode(void)
{
int i;
MCSDL_RESETB_SET_LOW();
mcsdl_delay(MCSDL_DELAY_3US);
for (i = 0; i < 10; i++) {
MCSDL_GPIO_SCL_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW();
mcsdl_delay(MCSDL_DELAY_3US);
}
}
void mcsdl_set_ready(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
MCSDL_VDD_SET_LOW(); // power
//MCSDL_CE_SET_LOW();
//MCSDL_CE_SET_OUTPUT();
//MCSDL_SET_GPIO_I2C();
mcsdl_set_gpio_i2c();
if (gpio_request(GPIO_TOUCH_I2C_SDA,"I2C3_SDA") != 0)
{
printk("TSP firm download, Could not request GPIO %d", GPIO_TOUCH_I2C_SDA);
return -EIO;
}
if (gpio_request(GPIO_TOUCH_I2C_SCL,"I2C3_SCL") != 0)
{
printk("TSP firm download, Could not request GPIO %d", GPIO_TOUCH_I2C_SCL);
return -EIO;
}
MCSDL_GPIO_SDA_SET_LOW();
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SCL_SET_OUTPUT();
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT();
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_VDD_SET_HIGH();
//MCSDL_CE_SET_HIGH();
MCSDL_GPIO_SDA_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_10MS); //mcsdl_delay(MCSDL_DELAY_40MS); // Delay '30 msec'
}
static void mcsdl_unselect_isp_mode(void)
{
int i;
MCSDL_GPIO_SDA_SET_HIGH();
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_RESETB_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
for(i=0; i<9; i++){
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_5US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_5US);
}
mcsdl_mcs7000_delay(MCSDL_DELAY_500US);
}
static void mcsdl_reboot_mcs(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
MCSDL_VDD_SET_LOW();
//MCSDL_CE_SET_LOW();
//MCSDL_CE_SET_OUTPUT();
MCSDL_GPIO_SDA_SET_HIGH();
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_GPIO_SCL_SET_HIGH();
MCSDL_GPIO_SCL_SET_OUTPUT();
//MCSDL_SET_HW_I2C();
gpio_free(GPIO_TOUCH_I2C_SDA);
gpio_free(GPIO_TOUCH_I2C_SCL);
mdelay(500);
mcsdl_set_hw_i2c();
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT();
mdelay(500); //mcsdl_delay(MCSDL_DELAY_60MS); // Delay for Stable VDD
MCSDL_RESETB_SET_INPUT();
MCSDL_VDD_SET_HIGH();
MCSDL_RESETB_SET_HIGH();
//MCSDL_CE_SET_HIGH();
mdelay(500); //mcsdl_delay(MCSDL_DELAY_60MS); // Delay '25 msec'
}
static void mcsdl_set_ready(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
MCSDL_VDD_SET_LOW(); // power
//MCSDL_CE_SET_LOW();
MCSDL_CE_SET_OUTPUT();
MCSDL_SET_GPIO_I2C();
//MCSDL_GPIO_SDA_SET_LOW(); //bomi
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_GPIO_SDA_SET_LOW();
//MCSDL_GPIO_SCL_SET_LOW(); //bomi
MCSDL_GPIO_SCL_SET_OUTPUT();
MCSDL_GPIO_SCL_SET_LOW();
//MCSDL_RESETB_SET_LOW(); //bomi
MCSDL_RESETB_SET_OUTPUT();
MCSDL_RESETB_SET_LOW();
/*
*/
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_VDD_SET_HIGH();
MCSDL_CE_SET_HIGH();
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_40MS); // Delay '30 msec'
}
static void mcsdl_set_ready(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
MCSDL_VDD_SET_LOW(); // power
//MCSDL_CE_SET_LOW();
MCSDL_CE_SET_OUTPUT();
MCSDL_SET_GPIO_I2C();
//MCSDL_GPIO_SDA_SET_LOW(); //bomi
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_GPIO_SDA_SET_LOW();
//MCSDL_GPIO_SCL_SET_LOW(); //bomi
MCSDL_GPIO_SCL_SET_OUTPUT();
MCSDL_GPIO_SCL_SET_LOW();
//MCSDL_RESETB_SET_LOW(); //bomi
MCSDL_RESETB_SET_OUTPUT();
MCSDL_RESETB_SET_LOW();
/* LGE_CHANGE_S: E0 [email protected] [2011-11-09] :
TD1416085584 : After sleeping on and off while sensing a touchscreen,
Touchscreen doesn't work*/
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_VDD_SET_HIGH();
MCSDL_CE_SET_HIGH();
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_40MS); // Delay '30 msec'
}
void MFS_reboot(void)
{
MCSDL_VDD_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
MCSDL_GPIO_SDA_SET_OUTPUT(1);
MCSDL_GPIO_SCL_SET_HIGH();
MCSDL_GPIO_SCL_SET_OUTPUT(1);
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT(1);
MFS_ms_delay(25);
MCSDL_VDD_SET_HIGH();
MCSDL_RESETB_SET_HIGH();
MCSDL_RESETB_SET_INPUT();
MCSDL_GPIO_SCL_SET_INPUT();
MCSDL_GPIO_SDA_SET_INPUT();
MFS_ms_delay(25);
}
static void mcsdl_set_ready(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
MCSDL_VDD_SET_LOW();
#if 0
MCSDL_CE_SET_LOW();
MCSDL_CE_SET_OUTPUT();
#else
MCSDL_CE_SET_OUTPUT();
MCSDL_CE_SET_LOW();
#endif
MCSDL_SET_GPIO_I2C();
MCSDL_GPIO_SDA_SET_LOW();
MCSDL_GPIO_SDA_SET_OUTPUT();
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SCL_SET_OUTPUT();
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT();
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_VDD_SET_HIGH();
MCSDL_CE_SET_HIGH();
MCSDL_GPIO_SDA_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_30MS); // Delay '30 msec'
}
static void mcsdl_reboot_mcs(void)
{
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
#if 0
//--------------------------------------------
// Tkey module reset
//--------------------------------------------
//gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SCL, 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
//gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SDA, 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT(0);
mcsdl_vdd_off();
gpio_set_value(GPIO_TSP_SCL, 0); // TOUCH SCL DIS
gpio_set_value(GPIO_TSP_SDA, 0); // TOUCH SDA DIS
msleep(300);
//gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SCL, 0, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
//gpio_tlmm_config(GPIO_CFG(GPIO_I2C0_SDA, 0, GPIO_CFG_OUTPUT, GPIO_CFG_PULL_UP, GPIO_CFG_16MA),GPIO_CFG_ENABLE);
MCSDL_RESETB_SET_INPUT();
MCSDL_RESETB_SET_HIGH();
gpio_set_value(GPIO_TSP_SCL, 1); // TOUCH SCL EN
gpio_set_value(GPIO_TSP_SDA, 1); // TOUCH SDA EN
mcsdl_vdd_on();
msleep(300);
//#else
MCSDL_VDD_SET_LOW();
msleep(100);
//MCSDL_CE_SET_LOW();
//MCSDL_CE_SET_OUTPUT();
MCSDL_GPIO_SDA_SET_HIGH();
MCSDL_GPIO_SDA_SET_OUTPUT(1);
MCSDL_GPIO_SCL_SET_HIGH();
MCSDL_GPIO_SCL_SET_OUTPUT(1);
//MCSDL_SET_HW_I2C();
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT(0); //1->0
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_RESETB_SET_INPUT();
MCSDL_VDD_SET_HIGH();
msleep(25);
MCSDL_RESETB_SET_HIGH();
//MCSDL_CE_SET_HIGH();
printk("TSP firmware download complete and chip RESET! /n");
mcsdl_delay(MCSDL_DELAY_60MS); // Delay '25 msec'
mcsdl_delay(MCSDL_DELAY_40MS); // Delay '25 msec'
#endif
MCSDL_VDD_SET_LOW();
MCSDL_CE_SET_LOW();
MCSDL_CE_SET_OUTPUT();
MCSDL_GPIO_SDA_SET_HIGH();
MCSDL_GPIO_SDA_SET_OUTPUT(1);
MCSDL_GPIO_SCL_SET_HIGH();
MCSDL_GPIO_SCL_SET_OUTPUT(1);
MCSDL_SET_HW_I2C();
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT(0);
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_RESETB_SET_INPUT();
MCSDL_VDD_SET_HIGH();
MCSDL_CE_SET_HIGH();
mcsdl_delay(MCSDL_DELAY_30MS); // Delay '25 msec'
}
static int mcsdl_download(const UINT8 *pBianry, const UINT16 unLength, INT8 IdxNum )
{
int nRet;
//---------------------------------
// Check Binary Size
//---------------------------------
if( unLength >= MELFAS_FIRMWARE_MAX_SIZE ){
nRet = MCSDL_RET_PROGRAM_SIZE_IS_WRONG;
goto MCSDL_DOWNLOAD_FINISH;
}
#if MELFAS_ENABLE_DBG_PROGRESS_PRINT
printk(" - Starting download...\n");
#endif
//---------------------------------
// Make it ready
//---------------------------------
#if MELFAS_ENABLE_DBG_PROGRESS_PRINT
printk(" > Ready\n");
#endif
mcsdl_set_ready();
// mcsdl_delay(MCSDL_DELAY_1MS);
//---------------------------------
// Erase Flash
//---------------------------------
#if MELFAS_ENABLE_DBG_PROGRESS_PRINT
printk(" > Erase\n");
#endif
nRet = mcsdl_erase_flash(IdxNum);
if( nRet != MCSDL_RET_SUCCESS )
goto MCSDL_DOWNLOAD_FINISH;
// mcsdl_delay(MCSDL_DELAY_1MS);
//---------------------------------
// Program Flash
//---------------------------------
#if MELFAS_ENABLE_DBG_PROGRESS_PRINT
printk(" > Program ");
#endif
nRet = mcsdl_program_flash( (UINT8*)pBianry, (UINT16)unLength, IdxNum );
if( nRet != MCSDL_RET_SUCCESS )
goto MCSDL_DOWNLOAD_FINISH;
//---------------------------------
// Verify flash
//---------------------------------
/*if (IdxNum == 0)*/ {
#if MELFAS_ENABLE_DBG_PROGRESS_PRINT
printk(" > Verify=== \n");
#endif
nRet = mcsdl_verify_flash( (UINT8*)pBianry, (UINT16)unLength, IdxNum );
if( nRet != MCSDL_RET_SUCCESS )
goto MCSDL_DOWNLOAD_FINISH;
}
nRet = MCSDL_RET_SUCCESS;
MCSDL_DOWNLOAD_FINISH :
#if MELFAS_ENABLE_DBG_PRINT
mcsdl_print_result( nRet ); // Show result
#endif
#if MELFAS_ENABLE_DBG_PROGRESS_PRINT
printk(" > Rebooting\n");
printk(" - Fin.\n\n");
printk(" - IdxNum =[%d] \n",IdxNum);
#endif
if(IdxNum == 0)
mcsdl_reboot_mcs();
else
{
MCSDL_RESETB_SET_LOW();
MCSDL_RESETB_SET_OUTPUT(1);
mcsdl_delay(MCSDL_DELAY_25MS); // Delay for Stable VDD
MCSDL_RESETB_SET_INPUT();
MCSDL_VDD_SET_HIGH();
msleep(25);
}
return nRet;
}
static void mcsdl_select_isp_mode(UINT8 ucMode)
{
int i;
UINT8 enteringCodeMassErase[3] = { 1, 1, 1 };
UINT8 enteringCodeSerialWrite[3] = { 0, 0, 1 };
UINT8 enteringCodeSerialRead[3] = { 0, 1, 0 };
UINT8 *pCode;
//------------------------------------
// Entering ISP mode : Part 1
//------------------------------------
for(i=0; i<4; i++){
MCSDL_RESETB_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_RESETB_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
}
MCSDL_RESETB_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
//------------------------------------
// Entering ISP mode : Part 2
//------------------------------------
if( ucMode == ISP_MODE_ERASE_FLASH ) pCode = enteringCodeMassErase;
else if( ucMode == ISP_MODE_SERIAL_WRITE ) pCode = enteringCodeSerialWrite;
else if( ucMode == ISP_MODE_SERIAL_READ ) pCode = enteringCodeSerialRead;
for(i=0; i<3; i++){
if( pCode[i] == 1 ) MCSDL_RESETB_SET_HIGH();
else MCSDL_RESETB_SET_LOW();
mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US);
}
MCSDL_RESETB_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_3US); // High
//---------------------------------------------------
// Entering ISP mode : Part 3 - Only Mass Erase
//---------------------------------------------------
if( ucMode == ISP_MODE_ERASE_FLASH ){
for(i=0; i<6; i++){
if( i==3 ) mcsdl_mcs7000_delay(MCSDL_DELAY_25MS);
else if( i==4 ) mcsdl_mcs7000_delay(MCSDL_DELAY_150US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_mcs7000_delay(MCSDL_DELAY_5US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_mcs7000_delay(MCSDL_DELAY_5US);
}
}
}
static void mcsdl_select_isp_mode(UINT8 ucMode)
{
int i;
UINT8 enteringCodeMassErase[16] = { 0,1,0,1,1,0,0,1,1,1,1,1,0,0,1,1 };
UINT8 enteringCodeSerialWrite[16] = { 0,1,1,0,0,0,1,0,1,1,0,0,1,1,0,1 };
UINT8 enteringCodeSerialRead[16] = { 0,1,1,0,1,0,1,0,1,1,0,0,1,0,0,1 };
UINT8 enteringCodeNextChipBypass[16] = { 1,1,0,1,1,0,0,1,0,0,1,0,1,1,0,1 };
UINT8 *pCode;
//------------------------------------
// Entering ISP mode : Part 1
//------------------------------------
if (ucMode == ISP_MODE_ERASE_FLASH) pCode = enteringCodeMassErase;
else if (ucMode == ISP_MODE_SERIAL_WRITE) pCode = enteringCodeSerialWrite;
else if (ucMode == ISP_MODE_SERIAL_READ) pCode = enteringCodeSerialRead;
else if (ucMode == ISP_MODE_NEXT_CHIP_BYPASS) pCode = enteringCodeNextChipBypass;
MCSDL_RESETB_SET_LOW();
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
for (i = 0; i < 16; i++)
{
if (pCode[i] == 1)
{
MCSDL_RESETB_SET_HIGH();
}
else
{
MCSDL_RESETB_SET_LOW();
}
//start add delay for INT
mcsdl_delay(MCSDL_DELAY_3US);
//end delay for INT
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_delay(MCSDL_DELAY_3US);
}
MCSDL_RESETB_SET_LOW();
//---------------------------------------------------
// Entering ISP mode : Part 2 - Only Mass Erase
//---------------------------------------------------
mcsdl_delay(MCSDL_DELAY_7US);
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
if( ucMode == ISP_MODE_ERASE_FLASH ){
mcsdl_delay(MCSDL_DELAY_7US); //5us
for(i=0; i<4; i++){
if( i==2 ) mcsdl_delay(MCSDL_DELAY_25MS); //20ms
else if( i==3 ) mcsdl_delay(MCSDL_DELAY_150US); //102us
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_delay(MCSDL_DELAY_3US); // melfas assume 3us in code is 1us in document
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_delay(MCSDL_DELAY_7US);
}
}
MCSDL_GPIO_SDA_SET_LOW();
}
static void mcsdl_select_isp_mode(UINT8 ucMode)
{
int i;
UINT8 enteringCodeMassErase[16] = { 0,1,0,1,1,0,0,1,1,1,1,1,0,0,1,1 };
UINT8 enteringCodeSerialWrite[16] = { 0,1,1,0,0,0,1,0,1,1,0,0,1,1,0,1 };
UINT8 enteringCodeSerialRead[16] = { 0,1,1,0,1,0,1,0,1,1,0,0,1,0,0,1 };
UINT8 enteringCodeNextChipBypass[16] = { 1,1,0,1,1,0,0,1,0,0,1,0,1,1,0,1 };
UINT8 *pCode = 0;
//------------------------------------
// Entering ISP mode : Part 1
//------------------------------------
if (ucMode == ISP_MODE_ERASE_FLASH) pCode = enteringCodeMassErase;
else if (ucMode == ISP_MODE_SERIAL_WRITE) pCode = enteringCodeSerialWrite;
else if (ucMode == ISP_MODE_SERIAL_READ) pCode = enteringCodeSerialRead;
else if (ucMode == ISP_MODE_NEXT_CHIP_BYPASS) pCode = enteringCodeNextChipBypass;
//-----------------------------------------------------
//@@@ [WONJINHAN : [email protected] - 2011.11.08]
//printk("%d \n", ucMode);
MCSDL_RESETB_SET_LOW();
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
for (i = 0; i < 16; i++)
{
if (pCode[i] == 1)
MCSDL_RESETB_SET_HIGH();
else
MCSDL_RESETB_SET_LOW();
//start add delay for INT
mcsdl_delay(MCSDL_DELAY_3US);
//end delay for INT
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_delay(MCSDL_DELAY_3US);
}
MCSDL_RESETB_SET_LOW();
//---------------------------------------------------
// Entering ISP mode : Part 2 - Only Mass Erase
//---------------------------------------------------
mcsdl_delay(MCSDL_DELAY_7US);
MCSDL_GPIO_SCL_SET_LOW();
MCSDL_GPIO_SDA_SET_HIGH();
if( ucMode == ISP_MODE_ERASE_FLASH ){
mcsdl_delay(MCSDL_DELAY_7US);
for(i=0; i<4; i++){
if( i==2 ) mcsdl_delay(MCSDL_DELAY_25MS);
else if( i==3 ) mcsdl_delay(MCSDL_DELAY_150US);
MCSDL_GPIO_SCL_SET_HIGH(); mcsdl_delay(MCSDL_DELAY_3US);
MCSDL_GPIO_SCL_SET_LOW(); mcsdl_delay(MCSDL_DELAY_7US);
}
}
MCSDL_GPIO_SDA_SET_LOW();
}
