/******************************************************************************
** Function : console_reset
**
** Objective : Reset the system
**
** Parameters : type - machine type 5200, 800, XL/XE
** system_type - PAL or NTSC
** ram - amount of memory to emulate
** freq - frequency to run Pokey Sound at
**
** return : NONE
**
******************************************************************************/
void console_reset ( e_machine_type type, int system_type, int ram, int freq) {
console.machine_type = type;
console.ram_size = ram;
mem_reset ( );
antic_init ();
gtia_init ( system_type );
pokey_init ( freq );
pia_init ();
sio_reset ();
reset_6502 ();
if ( system_type == PAL ) {
console.frames_per_sec = 50;
console.scanlines = 312;
}
else {
console.frames_per_sec = 60;
console.scanlines = 262;
}
console.option_key_pressed = 0;
console.start_key_pressed = 0;
if ( !console.basic_enable && (console.machine_type == MACHINE_TYPE_XL) )
console.option_key_pressed = 1;
if ( console.mapping == CART_CASSETTE ) {
console.start_key_pressed = 2;
}
} /* end console_reset */
static int __init m32r_sio_console_init(void)
{
sio_reset();
sio_init();
m32r_sio_init_ports();
register_console(&m32r_sio_console);
return 0;
}
static int m32r_sio_startup(struct uart_port *port)
{
struct uart_sio_port *up =
container_of(port, struct uart_sio_port, port);
int retval;
sio_init();
/*
* If the "interrupt" for this port doesn't correspond with any
* hardware interrupt, we use a timer-based system. The original
* driver used to do this with IRQ0.
*/
if (!up->port.irq) {
unsigned int timeout = up->port.timeout;
timeout = timeout > 6 ? (timeout / 2 - 2) : 1;
up->timer.data = (unsigned long)up;
mod_timer(&up->timer, jiffies + timeout);
} else {
retval = serial_link_irq_chain(up);
if (retval)
return retval;
}
/*
* Finally, enable interrupts. Note: Modem status interrupts
* are set via set_termios(), which will be occurring imminently
* anyway, so we don't enable them here.
* - M32R_SIO: 0x0c
* - M32R_PLDSIO: 0x04
*/
up->ier = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
sio_out(up, SIOTRCR, up->ier);
/*
* And clear the interrupt registers again for luck.
*/
sio_reset();
return 0;
}