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/* $Id$ */
/*
* Acknowledgements:
* Valuable information was obtained from the following drivers
* netbsd: (C) Allegro Networks Inc; Wasabi Systems Inc.
* linux: (C) MontaVista, Software, Inc; Chris Zankel, Mark A. Greer.
* rtems: (C) Brookhaven National Laboratory; K. Feng
* but this implementation is original work by the author.
*/
/*
* Authorship
* ----------
* This software ('beatnik' RTEMS BSP for MVME6100 and MVME5500) was
* created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007,
* Stanford Linear Accelerator Center, Stanford University.
*
* Acknowledgement of sponsorship
* ------------------------------
* The 'beatnik' 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 <rtems.h>
#include <rtems/bspIo.h>
#include <bsp.h>
#include <bsp/gtreg.h>
#include <bsp/pci.h>
#ifndef PCI_VENDOR_ID_MARVELL
#define PCI_VENDOR_ID_MARVELL 0x11ab
#endif
#ifndef PCI_DEVICE_ID_MARVELL_GT64260
#define PCI_DEVICE_ID_MARVELL_GT64260 0x6430
#endif
#ifndef PCI_DEVICE_ID_MARVELL_MV64360
#define PCI_DEVICE_ID_MARVELL_MV64360 0x6460
#endif
#if 0
#define MV64x60_PCI0_CONFIG_ADDR (BSP_MV64x60_BASE + 0xcf8)
#define MV64x60_PCI0_CONFIG_DATA (BSP_MV64x60_BASE + 0xcfc)
/* read from bus/slot/fn 0/0/0 */
static unsigned long
pci_early_config_read(int offset, int width)
{
out_be32((unsigned int*) pci.pci_config_addr,
0x80|(0<<8)|(PCI_DEVFN(0,0)<<16)|((offset&~3)<<24));
switch (width) {
default:
case 1:
return in_8((unsigned char*)pci.pci_config_data + (offset&3));
case 2:
return in_le16((unsigned short*)pci.pci_config_data + (offset&3));
case 4:
return in_le32((unsigned long *)pci.pci_config_data + (offset&3));
}
}
#endif
DiscoveryVersion
BSP_getDiscoveryVersion(int assertion)
{
static DiscoveryVersion rval = unknown;
if ( unknown ==rval ) {
unsigned char dc;
unsigned short ds;
/* this must work before and after the call to BSP_pciInitialize() --
* since the host bridge is at 0,0,0 it doesn't matter if the hosed
* access methods are installed or not (as a matter of fact this shouldn't
* matter for any device on hose 0)
*/
printk("config addr is 0x%08x\n", BSP_pci_configuration.pci_config_addr);
printk("config data is 0x%08x\n", BSP_pci_configuration.pci_config_data);
pci_read_config_word(0,0,0,PCI_VENDOR_ID, &ds);
if ( PCI_VENDOR_ID_MARVELL != ds ) {
if ( assertion ) {
printk("Host bridge vendor id: 0x%04x\n",ds);
BSP_panic("Host bridge vendor @ pci(0,0,0) is not MARVELL");
}
else return unknown;
}
pci_read_config_word(0,0,0,PCI_DEVICE_ID, &ds);
pci_read_config_byte(0,0,0,PCI_REVISION_ID, &dc);
switch (ds) {
case PCI_DEVICE_ID_MARVELL_MV64360:
rval = MV_64360;
break;
case PCI_DEVICE_ID_MARVELL_GT64260:
switch (dc) {
default:
break;
case 0x10:
return (rval = GT_64260_A);
case 0x20:
return (rval = GT_64260_B);
}
default:
if ( assertion ) {
printk("Marvell device id 0x%04x, revision 0x%02x; check %s:%u\n",
ds, dc,
__FILE__,__LINE__);
BSP_panic("Unknown Marvell bridge or revision@ pci(0,0,0) is not MARVELL");
}
break;
}
}
return rval;
}
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