static void __init SMC37c669_init_local_config()

in kernel/smc37c669.c [2072:2174]

• 60 lines of code
• 1 McCabe index (conditional complexity)

static void __init SMC37c669_init_local_config ( void )
{
    SMC37c669_SERIAL_BASE_ADDRESS_REGISTER uart_base;
    SMC37c669_SERIAL_IRQ_REGISTER uart_irqs;
    SMC37c669_PARALLEL_BASE_ADDRESS_REGISTER ppt_base;
    SMC37c669_PARALLEL_FDC_IRQ_REGISTER ppt_fdc_irqs;
    SMC37c669_PARALLEL_FDC_DRQ_REGISTER ppt_fdc_drqs;
    SMC37c669_FDC_BASE_ADDRESS_REGISTER fdc_base;
    SMC37c669_IDE_ADDRESS_REGISTER ide_base;
    SMC37c669_IDE_ADDRESS_REGISTER ide_alt;

/*
** Get serial port 1 base address 
*/
    uart_base.as_uchar = 
	SMC37c669_read_config( SMC37c669_SERIAL0_BASE_ADDRESS_INDEX );
/*
** Get IRQs for serial ports 1 & 2
*/
    uart_irqs.as_uchar = 
	SMC37c669_read_config( SMC37c669_SERIAL_IRQ_INDEX );
/*
** Store local configuration information for serial port 1
*/
    local_config[SERIAL_0].port1 = uart_base.by_field.addr9_3 << 3;
    local_config[SERIAL_0].irq = 
	SMC37c669_xlate_irq( 
	    SMC37c669_DEVICE_IRQ( uart_irqs.by_field.uart1_irq ) 
	);
/*
** Get serial port 2 base address
*/
    uart_base.as_uchar = 
	SMC37c669_read_config( SMC37c669_SERIAL1_BASE_ADDRESS_INDEX );
/*
** Store local configuration information for serial port 2
*/
    local_config[SERIAL_1].port1 = uart_base.by_field.addr9_3 << 3;
    local_config[SERIAL_1].irq = 
	SMC37c669_xlate_irq( 
	    SMC37c669_DEVICE_IRQ( uart_irqs.by_field.uart2_irq ) 
	);
/*
** Get parallel port base address
*/
    ppt_base.as_uchar =
	SMC37c669_read_config( SMC37c669_PARALLEL0_BASE_ADDRESS_INDEX );
/*
** Get IRQs for parallel port and floppy controller
*/
    ppt_fdc_irqs.as_uchar =
	SMC37c669_read_config( SMC37c669_PARALLEL_FDC_IRQ_INDEX );
/*
** Get DRQs for parallel port and floppy controller
*/
    ppt_fdc_drqs.as_uchar =
	SMC37c669_read_config( SMC37c669_PARALLEL_FDC_DRQ_INDEX );
/*
** Store local configuration information for parallel port
*/
    local_config[PARALLEL_0].port1 = ppt_base.by_field.addr9_2 << 2;
    local_config[PARALLEL_0].irq =
	SMC37c669_xlate_irq(
	    SMC37c669_DEVICE_IRQ( ppt_fdc_irqs.by_field.ppt_irq )
	);
    local_config[PARALLEL_0].drq =
	SMC37c669_xlate_drq(
	    SMC37c669_DEVICE_DRQ( ppt_fdc_drqs.by_field.ppt_drq )
	);
/*
** Get floppy controller base address
*/
    fdc_base.as_uchar = 
	SMC37c669_read_config( SMC37c669_FDC_BASE_ADDRESS_INDEX );
/*
** Store local configuration information for floppy controller
*/
    local_config[FLOPPY_0].port1 = fdc_base.by_field.addr9_4 << 4;
    local_config[FLOPPY_0].irq =
	SMC37c669_xlate_irq(
	    SMC37c669_DEVICE_IRQ( ppt_fdc_irqs.by_field.fdc_irq )
	);
    local_config[FLOPPY_0].drq =
	SMC37c669_xlate_drq(
	    SMC37c669_DEVICE_DRQ( ppt_fdc_drqs.by_field.fdc_drq )
	);
/*
** Get IDE controller base address
*/
    ide_base.as_uchar =
	SMC37c669_read_config( SMC37c669_IDE_BASE_ADDRESS_INDEX );
/*
** Get IDE alternate status base address
*/
    ide_alt.as_uchar =
	SMC37c669_read_config( SMC37c669_IDE_ALTERNATE_ADDRESS_INDEX );
/*
** Store local configuration information for IDE controller
*/
    local_config[IDE_0].port1 = ide_base.by_field.addr9_4 << 4;
    local_config[IDE_0].port2 = ide_alt.by_field.addr9_4 << 4;
    local_config[IDE_0].irq = 14;
}