/* PCI Initialization */
/*
* Authorship
* ----------
* This software ('mvme3100' RTEMS BSP) was created by
*
* Till Straumann <strauman@slac.stanford.edu>, 2005-2007,
* Stanford Linear Accelerator Center, Stanford University.
*
* Acknowledgement of sponsorship
* ------------------------------
* The 'mvme3100' BSP was produced by
* the Stanford Linear Accelerator Center, Stanford University,
* under Contract DE-AC03-76SFO0515 with the Department of Energy.
*
* Government disclaimer of liability
* ----------------------------------
* Neither the United States nor the United States Department of Energy,
* nor any of their employees, makes any warranty, express or implied, or
* assumes any legal liability or responsibility for the accuracy,
* completeness, or usefulness of any data, apparatus, product, or process
* disclosed, or represents that its use would not infringe privately owned
* rights.
*
* Stanford disclaimer of liability
* --------------------------------
* Stanford University makes no representations or warranties, express or
* implied, nor assumes any liability for the use of this software.
*
* Stanford disclaimer of copyright
* --------------------------------
* Stanford University, owner of the copyright, hereby disclaims its
* copyright and all other rights in this software. Hence, anyone may
* freely use it for any purpose without restriction.
*
* Maintenance of notices
* ----------------------
* In the interest of clarity regarding the origin and status of this
* SLAC software, this and all the preceding Stanford University notices
* are to remain affixed to any copy or derivative of this software made
* or distributed by the recipient and are to be affixed to any copy of
* software made or distributed by the recipient that contains a copy or
* derivative of this software.
*
* ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
*/
#include <bsp.h>
#include <bsp/pci.h>
#include <bsp/irq.h>
#include <bsp/openpic.h>
#include <inttypes.h>
/* Motload configures PCI interrupts to start at 16 and up but
* we'd rather have them starting at 0.
* Use this callback to fix them up.
*/
static int
fixup_irq_line(int bus, int slot, int fun, void *uarg)
{
unsigned char line;
pci_read_config_byte( bus, slot, fun, PCI_INTERRUPT_LINE, &line);
if ( line >= BSP_EXT_IRQ_NUMBER ) {
pci_write_config_byte( bus, slot, fun, PCI_INTERRUPT_LINE, line - BSP_EXT_IRQ_NUMBER );
}
return 0;
}
void BSP_motload_pci_fixup(void)
{
BSP_pciScan(0, fixup_irq_line, 0);
}
void detect_host_bridge(void)
{
OpenPIC = (volatile struct OpenPIC *) (BSP_8540_CCSR_BASE + BSP_OPEN_PIC_BASE_OFFSET);
}
static int
dump_dev_cb(
int bus,
int dev,
int fun,
void *uarg
)
{
uint16_t vi,di;
uint16_t cd,st;
uint32_t b1,b2;
uint8_t il,ip;
pci_read_config_word (bus, dev, fun, PCI_VENDOR_ID, &vi);
pci_read_config_word (bus, dev, fun, PCI_DEVICE_ID, &di);
pci_read_config_word (bus, dev, fun, PCI_COMMAND, &cd);
pci_read_config_word (bus, dev, fun, PCI_STATUS, &st);
pci_read_config_dword(bus, dev, fun, PCI_BASE_ADDRESS_0, &b1);
pci_read_config_dword(bus, dev, fun, PCI_BASE_ADDRESS_1, &b2);
pci_read_config_byte (bus, dev, fun, PCI_INTERRUPT_LINE, &il);
pci_read_config_byte (bus, dev, fun, PCI_INTERRUPT_PIN, &ip);
printk("%3d:0x%02x:%d 0x%04x-0x%04x: 0x%04x 0x%04x 0x%08" PRIx32 " 0x%08" PRIx32 " %d -> %3d (=0x%02x)\n",
bus, dev, fun, vi, di, cd, st, b1, b2, ip, il, il);
return 0;
}
void
BSP_pciConfigDump_early(void)
{
printk("BUS:SLOT:FUN VENDOR-DEV_ID: COMMAND STATUS BASE_ADDR0 BASE_ADDR1 IRQ_PIN -> IRQ_LINE\n");
BSP_pciScan(0, dump_dev_cb, 0);
}
