static int __init
setup_serial_console(struct pcdp_uart *uart)
{
#ifdef CONFIG_SERIAL_8250_CONSOLE
int mmio;
static char options[64];
mmio = (uart->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
snprintf(options, sizeof(options), "console=uart,%s,0x%lx,%lun%d",
mmio ? "mmio" : "io", uart->addr.address, uart->baud,
uart->bits ? uart->bits : 8);
return early_serial_console_init(options);
#else
return -ENODEV;
#endif
}
/**
* early_console_setup - setup debugging console
*
* Consoles started here require little enough setup that we can start using
* them very early in the boot process, either right after the machine
* vector initialization, or even before if the drivers can detect their hw.
*
* Returns non-zero if a console couldn't be setup.
*/
static inline int __init
early_console_setup (char *cmdline)
{
#ifdef CONFIG_SERIAL_SGI_L1_CONSOLE
{
extern int sn_serial_console_early_setup(void);
if (!sn_serial_console_early_setup())
return 0;
}
#endif
#ifdef CONFIG_EFI_PCDP
if (!efi_setup_pcdp_console(cmdline))
return 0;
#endif
#ifdef CONFIG_SERIAL_8250_CONSOLE
if (!early_serial_console_init(cmdline))
return 0;
#endif
return -1;
}
