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Some more Sharp MM20 fixup code that I forgot to commit in the first round.

This commit is contained in:
augustss 2004-11-21 22:00:00 +00:00
parent 3b4a395d32
commit a66509ebd5
1 changed files with 30 additions and 3 deletions
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33
sys/arch/i386/pci/pcibios.c
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@ -1,4 +1,4 @@
/* $NetBSD: pcibios.c,v 1.20 2004/10/21 17:12:42 augustss Exp $ */
/* $NetBSD: pcibios.c,v 1.21 2004/11/21 22:00:00 augustss Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pcibios.c,v 1.20 2004/10/21 17:12:42 augustss Exp $");
__KERNEL_RCSID(0, "$NetBSD: pcibios.c,v 1.21 2004/11/21 22:00:00 augustss Exp $");
#include "opt_pcibios.h"
@ -747,13 +747,40 @@ pcibios_biosroute(int bus, int device, int func, int pin, int irq)
return rv;
}
#define MM20_PCI_BUS 0
#define MM20_PCI_EHCI_DEV 15
#define MM20_PCI_EHCI_FUNC 3
#define MM20_PCI_EHCI_PIN 3
#define MM20_PCI_EHCI_INTR 11
#define MM20_PCI_ISA_DEV 3
#define MM20_PCI_ISA_FUNC 0
static void
pcibios_mm20_fixup(void)
{
pci_chipset_tag_t pc;
pcitag_t tag;
/* Copy BIOS */
pcibios_copy_bios();
/* Route the interrupt for the EHCI controller. */
(void)pcibios_biosroute(0, 15, 3, 3, 11);
(void)pcibios_biosroute(MM20_PCI_BUS,
MM20_PCI_EHCI_DEV,
MM20_PCI_EHCI_FUNC,
MM20_PCI_EHCI_PIN,
MM20_PCI_EHCI_INTR);
/* Fake some tags. */
pc = NULL;
tag = pci_make_tag(pc, MM20_PCI_BUS, MM20_PCI_EHCI_DEV,
MM20_PCI_EHCI_FUNC);
/* Set interrupt register in EHCI controller */
pci_conf_write(pc, tag, 0x3c, 0x50000400 + MM20_PCI_EHCI_INTR);
tag = pci_make_tag(pc, MM20_PCI_BUS, MM20_PCI_ISA_DEV,
MM20_PCI_ISA_FUNC);
/* Set some unknown registers in the ISA bridge. */
pci_conf_write(pc, tag, 0x58, 0xd87f5300);
pci_conf_write(pc, tag, 0x74, 0x00000009);
}
#endif /* PCIBIOS_SHARP_MM20_FIXUP */