void rs_kgdb_hook(int tty_no)
{
struct serial_state *ser = &rs_table[tty_no];
kdb_port_info.state = ser;
kdb_port_info.magic = SERIAL_MAGIC;
kdb_port_info.port = tty_no;
kdb_port_info.flags = ser->flags;
/*
* Clear all interrupts
*/
/* Clear all the transmitter FIFO counters (pointer and status) */
ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_TX_RST;
/* Clear all the receiver FIFO counters (pointer and status) */
ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_RX_RST;
/* Clear all interrupts */
ip3106_iclr(UART_BASE, tty_no) = IP3106_UART_INT_ALLRX |
IP3106_UART_INT_ALLTX;
/*
* Now, initialize the UART
*/
ip3106_lcr(UART_BASE, tty_no) = IP3106_UART_LCR_8BIT;
ip3106_baud(UART_BASE, tty_no) = 5; // 38400 Baud
}
void __init plat_mem_setup(void)
{
int i;
char* argptr;
board_setup(); /* board specific setup */
_machine_restart = pnx8550_machine_restart;
_machine_halt = pnx8550_machine_halt;
pm_power_off = pnx8550_machine_power_off;
/* Clear the Global 2 Register, PCI Inta Output Enable Registers
Bit 1:Enable DAC Powerdown
-> 0:DACs are enabled and are working normally
1:DACs are powerdown
Bit 0:Enable of PCI inta output
-> 0 = Disable PCI inta output
1 = Enable PCI inta output
*/
PNX8550_GLB2_ENAB_INTA_O = 0;
/* IO/MEM resources. */
set_io_port_base(PNX8550_PORT_BASE);
ioport_resource.start = 0;
ioport_resource.end = ~0;
iomem_resource.start = 0;
iomem_resource.end = ~0;
/* Request I/O space for devices on this board */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
request_resource(&ioport_resource, standard_io_resources + i);
/* Place the Mode Control bit for GPIO pin 16 in primary function */
/* Pin 16 is used by UART1, UA1_TX */
outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
(PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
PNX8550_GPIO_MC1);
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
argptr += strlen("console=ttyS");
pnx8550_console_port = *argptr == '0' ? 0 : 1;
/* We must initialize the UART (console) before early printk */
/* Set LCR to 8-bit and BAUD to 38400 (no 5) */
ip3106_lcr(UART_BASE, pnx8550_console_port) =
PNX8XXX_UART_LCR_8BIT;
ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
}
return;
}
