void uart_setbrg()
{
unsigned int byte,speed;
unsigned int highspeed;
unsigned int quot, divisor, remainder;
unsigned int uartclk;
unsigned short data, high_speed_div, sample_count, sample_point;
unsigned int tmp_div;
speed = g_brg;
uartclk = (unsigned int)(mt6575_get_bus_freq()*1000/4);
if (speed <= 115200 ) {
highspeed = 0;
quot = 16;
} else {
highspeed = 3;
quot = 1;
}
if (highspeed < 3) { /*0~2*/
/* Set divisor DLL and DLH */
divisor = uartclk / (quot * speed);
remainder = uartclk % (quot * speed);
if (remainder >= (quot / 2) * speed)
divisor += 1;
DRV_WriteReg16(UART_HIGHSPEED(g_uart),highspeed);
byte = DRV_Reg32(UART_LCR(g_uart)); /* DLAB start */
DRV_WriteReg32( UART_LCR(g_uart),(byte | UART_LCR_DLAB));
DRV_WriteReg32( UART_DLL(g_uart),(divisor & 0x00ff));
DRV_WriteReg32( UART_DLH(g_uart),((divisor >> 8)&0x00ff));
DRV_WriteReg32( UART_LCR(g_uart),byte); /* DLAB end */
}
void serial_setbrg()
{
unsigned int byte,speed;
unsigned int highspeed;
unsigned int quot, divisor, remainder;
//unsigned int ratefix;
unsigned int uartclk;
//unsigned int highclk = (UART_SRC_CLK/(speed*4)) > 10 ? (1) : 0;
unsigned short data, high_speed_div, sample_count, sample_point;
unsigned int tmp_div;
speed = g_brg;
//uartclk = UART_SRC_CLK;
uartclk = (unsigned int)(mt6575_get_bus_freq()*1000/4);
if (speed <= 115200 ) {
highspeed = 0;
quot = 16;
} else {
highspeed = 3;
quot = 1;
}
if (highspeed < 3) { /*0~2*/
/* Set divisor DLL and DLH */
divisor = uartclk / (quot * speed);
remainder = uartclk % (quot * speed);
if (remainder >= (quot / 2) * speed)
divisor += 1;
UART_WRITE16(highspeed, UART_HIGHSPEED(g_uart));
byte = UART_READ32(UART_LCR(g_uart)); /* DLAB start */
UART_WRITE32((byte | UART_LCR_DLAB), UART_LCR(g_uart));
UART_WRITE32((divisor & 0x00ff), UART_DLL(g_uart));
UART_WRITE32(((divisor >> 8)&0x00ff), UART_DLH(g_uart));
UART_WRITE32(byte, UART_LCR(g_uart)); /* DLAB end */
} else {
