static int udbg_44x_as1_getc(void)
{
if (udbg_comport) {
while ((as1_readb(&udbg_comport->lsr) & LSR_DR) == 0)
; /* wait for char */
return as1_readb(&udbg_comport->rbr);
}
return -1;
}
static void udbg_44x_as1_flush(void)
{
if (udbg_comport) {
while ((as1_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
}
}
static void udbg_44x_as1_putc(char c)
{
if (udbg_comport) {
while ((as1_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
as1_writeb(c, &udbg_comport->thr); eieio();
if (c == '\n')
udbg_44x_as1_putc('\r');
}
}
static u8 udbg_uart_in_44x_as1(unsigned int reg)
{
return as1_readb((void __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR + reg);
}
