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/* PCI cannot do byte accesses to addresses aligned byte wise
* Use alternative reg map.
*/
#define OCCAN_WORD_REGS
/* Set registered device name */
#define OCCAN_DEVNAME "/dev/occanpci0"
#define OCCAN_DEVNAME_NO(devstr,no) ((devstr)[13]='0'+(no))
/* Any non-static function will begin with */
#define OCCAN_PREFIX(name) occanpci##name
/* do nothing, assume that the interrupt handler is called
* setup externally calling b1553_interrupt_handler.
*/
#define OCCAN_REG_INT(handler,irq,arg) \
if ( occan_pci_int_reg ) \
occan_pci_int_reg(handler,irq,arg);
void (*occan_pci_int_reg)(void *handler, int irq, void *arg) = 0;
void occanpci_interrupt_handler(int irq, void *arg);
/* AMBA Bus is clocked using the PCI clock (33.3MHz) */
#define SYS_FREQ_HZ 33333333
/* Enable two redundant channels */
#define REDUNDANT_CHANNELS 2
#define OCCAN_SET_CHANNEL(priv,channel) occanpci_set_channel(priv,channel)
#include "occan.c"
/* Define method that sets redundant channel
* The channel select register:
* 0x00 = byte regs
* 0x40 = channel select
* 0x80 = word regs
*/
static void inline occanpci_set_channel(occan_priv *priv, int channel){
unsigned int *chan_sel = (unsigned int *)(((unsigned int)priv->regs & ~0xff)+0x40);
if ( channel == 0 )
*chan_sel = 0;
else
*chan_sel = 0xffffffff;
}
int occan_pci_register(struct ambapp_bus *bus)
{
/* Setup configuration */
/* Register the driver */
return OCCAN_PREFIX(_register)(bus);
}
/* Call this from PCI interrupt handler
* irq = the irq number of the HW device local to that IRQMP controller
*
*/
void occanpci_interrupt_handler(int irq, void *arg){
occan_interrupt(arg);
}
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