void rtl8139_getmac(struct rtl8139 *rtl, char *mac)
{
for(int i = 0; i < 6; i++)
{
mac[i] = rtl_inb(rtl, i);
}
}
char serial_inc()
{
int i;
#ifndef CONFIG_SERIAL_SC16IS7X0_CONSOLE
while (1)
{
if (rtl_inb(UART_LSR) & 0x1)
break;
}
i=rtl_inb(UART_RBR);
return (i & 0xff);
#endif
// ----------------------------------------------------
// above is UART0, and below is SC16IS7x0
// ----------------------------------------------------
#ifdef CONFIG_SERIAL_SC16IS7X0_CONSOLE
unsigned long flags;
unsigned int in;
if( sc16is7x0_err )
while( 1 ); // never return
while (1)
{
save_and_cli(flags);
in = sc16is7x0_serial_in_i2c( UART_MEM2REG( UART_LSR ) );
restore_flags(flags);
if( in & 0x1)
break;
// add delay to be interrupted by eth-driver
for( i = 0; i < 10; i ++ ) // 10ms delay
udelay( 1000 );
}
i = sc16is7x0_serial_in_i2c( UART_MEM2REG( UART_RBR ) );
return (i & 0xff);
#endif
}
void rtl8139_start(struct rtl8139 *rtl)
{
rtl->tx_cur = 0;
rtl_outb(rtl, 0x37, 0x10);
while((rtl_inb(rtl, 0x37) & 0x10) != 0);
kmemset(rtl->rx_buffer, 0, (8192*8)+16+1500);
rtl_outl(rtl, 0x30,(uintptr_t)V2P(rtl->rx_buffer));
rtl_outb(rtl, 0x37, 0xc);
for(int i=0; i < 4; i++)
{
rtl_outl(rtl, 0x20 + i*4, (uintptr_t)V2P(rtl->tx_buffers) + i*(8192 +16+1500));
}
//TODO: need to register pci IRQs instead of doing it directly
//interrupt_register(32 + rtl->pci_hdr->int_line, &rtl_handler);
pci_register_irq(rtl->pci, &rtl_handler, rtl);
rtl_outl(rtl, 0x44, (1 << 7) | 8| (1 << 1));
rtl_outw(rtl, 0x3c, 0x5 );
for(int i = 0; i < 6; i ++)
rtl->mac[i] = rtl_inb(rtl, i);
for(int i = 0; i < 100; i++)
{
/* uint16_t isr = rtl_inw(rtl, ISR);
if(isr & 0x20)
{
rtl_outw(rtl, ISR, 0x20);
printf("isr %x\n",isr);
break;
}*/
}
}
void serial_outc(char c)
{
int i=0;
while (1)
{
i++;
if (i >=0x6000)
break;
if (rtl_inb(UART_LSR) & 0x20)
break;
}
rtl_outb(UART_THR, c);
}
void serial_outc(char c)
{
int i;
i=0;
#ifndef CONFIG_SERIAL_SC16IS7X0_CONSOLE
#if 1
while (1)
{
i++;
if (i >=3210)
break;
if (rtl_inb(UART_LSR) & 0x60)
break;
}
#endif
//for(i=0; i<0xff00;i++);
rtl_outb(UART_THR, c);
if (c == 0x0a)
rtl_outb(UART_THR, 0x0d);
#endif
// ----------------------------------------------------
// above is UART0, and below is SC16IS7x0
// ----------------------------------------------------
#ifdef CONFIG_SERIAL_SC16IS7X0_CONSOLE
if( sc16is7x0_err )
return;
while (1)
{
i++;
if (i >=3210)
break;
if (sc16is7x0_serial_in_i2c( UART_MEM2REG( UART_LSR ) ) & 0x60)
break;
}
sc16is7x0_serial_out_i2c( UART_MEM2REG( UART_THR ), c );
if (c == 0x0a)
sc16is7x0_serial_out_i2c( UART_MEM2REG( UART_THR ), 0x0d);
#endif
}
