static inline void
s3c2440_update_subsrcint ()
{
u32 requests;
s3c2440_set_subsrcint (UART_INT_TXD << (0 * 3));
s3c2440_set_subsrcint (UART_INT_TXD << (1 * 3));
s3c2440_set_subsrcint (UART_INT_TXD << (2 * 3));
requests = ((io.subsrcpnd & (~io.intsubmsk)) & 0x7fff);
if (requests & 0x7)
io.srcpnd |= INT_UART0;
if (requests & 0x38)
io.srcpnd |= INT_UART1;
if (requests & 0x1c0)
io.srcpnd |= INT_UART2;
if (requests & 0x600)
io.srcpnd |= INT_ADC;
}
static void
s3c2440_uart_write (ARMul_State * mstate, u32 offset, u32 data)
{
SKYEYE_DBG ("s3c2440_uart_write(0x%x, 0x%x)\n", offset, data);
switch (offset) {
case ULCON:
io.uart0.ulcon = data;
break;
case UCON:
io.uart0.ucon = data;
break;
case UFCON:
io.uart0.ufcon = data;
break;
case UMCON:
io.uart0.umcon = data;
break;
case UTRSTAT:
io.uart0.utrstat = data;
break;
case UERSTAT:
io.uart0.uerstat = data;
break;
case UFSTAT:
io.uart0.ufstat = data;
break;
case UMSTAT:
io.uart0.umstat = data;
break;
case UTXH:
{
char c = data;
/* 2007-01-18 modified by Anthony Lee : for new uart device frame */
skyeye_uart_write(-1, &c, 1, NULL);
io.uart0.utrstat |= 0x6; //set strstat register bit[0]
if ((io.uart0.ucon & 0xc) == 0x4) {
s3c2440_set_subsrcint (UART_INT_TXD <<
(0 * 3));
extern ARMul_State *state;
s3c2440_update_int (state);
}
}
break;
case UBRDIV:
io.uart0.ubrdiv = data;
break;
default:
break;
}
SKYEYE_DBG ("%s(0x%x, 0x%x)\n", __func__, offset, data);
}
/* s3c2440 io_do_cycle */
static void
s3c2440_io_do_cycle (ARMul_State * mstate)
{
extern ARMul_State *state;
io.tc_prescale--;
if (io.tc_prescale < 0) {
io.tc_prescale = TC_DIVISOR;
if ((io.timer.tcon & 0x100000) != 0) {
io.timer.tcnt[4]--;
if (io.timer.tcnt[4] < 0) {
io.timer.tcnt[4] = io.timer.tcntb[4];
/*timer 4 hasn't tcmp */
//io.timer.tcmp[4] = io.timer.tcmpb[4];
io.timer.tcnto[4] = io.timer.tcntb[4];
io.srcpnd |= INT_TIMER4;
s3c2440_update_int (state);
return;
}
}
if (((io.uart0.utrstat & 0x1) == 0x0)
&& ((io.uart0.ucon & 0x3) == 0x1)) {
/* 2007-01-18 modified by Anthony Lee : for new uart device frame */
struct timeval tv;
unsigned char buf;
tv.tv_sec = 0;
tv.tv_usec = 0;
if(skyeye_uart_read(-1, &buf, 1, &tv, NULL) > 0)
{
io.uart0.urxh = (int) buf;
/* Receiver Ready
* */
io.uart0.utrstat |= (0x1);
io.uart0.ufstat |= (0x1);
/* pending usart0 interrupt
* */
s3c2440_set_subsrcint (UART_INT_RXD <<
(0 * 3));
//io.srcpnd |= INT_UART0;
s3c2440_update_int (state);
return;
}
}
//s3c2440_update_int (state);
} /* if (io.tc_prescale < 0) */
}
