mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-30 22:08:52 +09:00
103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
![]() |
/*-----------------------------------------------------------------------------+
|
||
|
|
|
||
|
| This source code has been made available to you by IBM on an AS-IS
|
||
|
| basis. Anyone receiving this source is licensed under IBM
|
||
|
| copyrights to use it in any way he or she deems fit, including
|
||
|
| copying it, modifying it, compiling it, and redistributing it either
|
||
|
| with or without modifications. No license under IBM patents or
|
||
|
| patent applications is to be implied by the copyright license.
|
||
|
|
|
||
|
| Any user of this software should understand that IBM cannot provide
|
||
|
| technical support for this software and will not be responsible for
|
||
|
| any consequences resulting from the use of this software.
|
||
|
|
|
||
|
| Any person who transfers this source code or any derivative work
|
||
|
| must include the IBM copyright notice, this paragraph, and the
|
||
|
| preceding two paragraphs in the transferred software.
|
||
|
|
|
||
|
| COPYRIGHT I B M CORPORATION 1995
|
||
|
| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
|
||
|
+-----------------------------------------------------------------------------*/
|
||
|
/*
|
||
|
* Adapted for PIP405 03.07.01
|
||
|
* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
|
||
|
*
|
||
|
* TODO: Clean-up
|
||
|
*/
|
||
|
|
||
|
#include <common.h>
|
||
|
#include <pci.h>
|
||
|
#include "isa.h"
|
||
|
|
||
|
#ifdef CONFIG_405GP
|
||
|
#ifdef CONFIG_PCI
|
||
|
|
||
|
#undef DEBUG
|
||
|
|
||
|
#include "piix4_pci.h"
|
||
|
#include "pci_parts.h"
|
||
|
|
||
|
void pci_pip405_write_regs(struct pci_controller *hose, pci_dev_t dev,
|
||
|
struct pci_config_table *entry)
|
||
|
{
|
||
|
struct pci_pip405_config_entry *table;
|
||
|
int i;
|
||
|
|
||
|
table = (struct pci_pip405_config_entry*) entry->priv[0];
|
||
|
|
||
|
for (i=0; table[i].width; i++)
|
||
|
{
|
||
|
#ifdef DEBUG
|
||
|
printf("Reg 0x%02X Value 0x%08lX Width %02d written\n",
|
||
|
table[i].index, table[i].val, table[i].width);
|
||
|
#endif
|
||
|
|
||
|
switch(table[i].width)
|
||
|
{
|
||
|
case 1: pci_hose_write_config_byte(hose, dev, table[i].index, table[i].val); break;
|
||
|
case 2: pci_hose_write_config_word(hose, dev, table[i].index, table[i].val); break;
|
||
|
case 4: pci_hose_write_config_dword(hose, dev, table[i].index, table[i].val); break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
static void pci_pip405_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
|
||
|
{
|
||
|
unsigned char int_line = 0xff;
|
||
|
/*
|
||
|
* Write pci interrupt line register
|
||
|
*/
|
||
|
if(PCI_DEV(dev)==0) /* Device0 = PPC405 -> skip */
|
||
|
return;
|
||
|
if(PCI_FUNC(dev)==0)
|
||
|
{
|
||
|
/* assuming all function 0 are using their INTA# Pin*/
|
||
|
int_line=PCI_IRQ_VECTOR(dev);
|
||
|
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line);
|
||
|
#ifdef DEBUG
|
||
|
printf("Fixup IRQ: dev %d (%x) int line %d 0x%x\n",
|
||
|
PCI_DEV(dev),dev,int_line,int_line);
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
extern void pci_405gp_init(struct pci_controller *hose);
|
||
|
|
||
|
|
||
|
static struct pci_controller hose = {
|
||
|
config_table: pci_pip405_config_table,
|
||
|
fixup_irq: pci_pip405_fixup_irq,
|
||
|
};
|
||
|
|
||
|
void pci_init(void)
|
||
|
{
|
||
|
/*we want the ptrs to RAM not flash (ie don't use init list)*/
|
||
|
hose.fixup_irq = pci_pip405_fixup_irq;
|
||
|
hose.config_table = pci_pip405_config_table;
|
||
|
pci_405gp_init(&hose);
|
||
|
}
|
||
|
|
||
|
#endif /* CONFIG_PCI */
|
||
|
#endif /* CONFIG_405GP */
|