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Disable 2nd PCI Windows @ 8MB

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This commit is contained in:
matt 2009-08-11 02:35:15 +00:00
parent 132d224431
commit 94e69ffc25
1 changed files with 23 additions and 3 deletions
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26
sys/arch/evbmips/gdium/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.4 2009/08/08 20:49:58 matt Exp $ */
/* $NetBSD: machdep.c,v 1.5 2009/08/11 02:35:15 matt Exp $ */
/*
* Copyright 2001, 2002 Wasabi Systems, Inc.
@ -112,7 +112,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.4 2009/08/08 20:49:58 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 2009/08/11 02:35:15 matt Exp $");
#include "opt_ddb.h"
#include "opt_execfmt.h"
@ -225,6 +225,20 @@ gdium_pci_attach_hook(device_t parent, device_t self,
* Set the mapreg.
*/
pci_conf_write(pba->pba_pc, ralink_dev, PCI_MAPREG_START, v);
#if 0
/*
* Why does linux do this?
*/
for (int dev = 15; dev <= 17; dev +=2) {
for (int func = 0; func <= 1; func++) {
pcitag_t usb_dev = pci_make_tag(pba->pba_pc, 0, dev, func);
v = pci_conf_read(pba->pba_pc, usb_dev, 0xe0);
v |= 3;
pci_conf_write(pba->pba_pc, usb_dev, 0xe0, v);
}
}
#endif
}
/*
@ -274,6 +288,13 @@ mach_init(int argc, char **argv, char **envp, void *callvec)
gdium_dma_init(gc);
gdium_cnattach(gc);
/*
* Disable the 2nd PCI window since we don't need it.
*/
REGVAL(BONITO_REGBASE + 0x158) = 0xe;
REGVAL(BONITO_REGBASE + 0x15c) = 0;
pci_conf_write(&gc->gc_pc, pci_make_tag(&gc->gc_pc, 0, 0, 0), 18, 0);
/*
* Get the timer from PMON.
*/
@ -305,7 +326,6 @@ mach_init(int argc, char **argv, char **envp, void *callvec)
#ifdef DEBUG
printf("Timer calibration: %lu cycles/sec\n",
curcpu()->ci_cpu_freq);
delay(1000000);
#endif
#if NCOM > 0