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Use common PCI macro/functions for PWRMGMT.

This commit is contained in:
tsutsui 2003-10-17 16:00:43 +00:00
parent 432d3289ba
commit 0a3ddecb47
2 changed files with 19 additions and 45 deletions
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35
sys/dev/pci/if_vr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_vr.c,v 1.62 2003/08/23 00:14:29 dogcow Exp $ */
/* $NetBSD: if_vr.c,v 1.63 2003/10/17 16:00:43 tsutsui Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
@ -104,7 +104,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_vr.c,v 1.62 2003/08/23 00:14:29 dogcow Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_vr.c,v 1.63 2003/10/17 16:00:43 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1423,7 +1423,7 @@ vr_attach(parent, self, aux)
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
bus_dma_segment_t seg;
struct vr_type *vrt;
u_int32_t command;
u_int32_t pmreg, reg;
struct ifnet *ifp;
u_char eaddr[ETHER_ADDR_LEN];
int i, rseg, error;
@ -1445,38 +1445,39 @@ vr_attach(parent, self, aux)
* Handle power management nonsense.
*/
command = PCI_CONF_READ(VR_PCI_CAPID) & 0x000000FF;
if (command == 0x01) {
command = PCI_CONF_READ(VR_PCI_PWRMGMTCTRL);
if (command & VR_PSTATE_MASK) {
if (pci_get_capability(pa->pa_pc, pa->pa_tag,
PCI_CAP_PWRMGMT, &pmreg, 0)) {
reg = PCI_CONF_READ(pmreg + PCI_PMCSR);
if ((reg & PCI_PMCSR_STATE_MASK) != PCI_PMCSR_STATE_D0) {
u_int32_t iobase, membase, irq;
/* Save important PCI config data. */
iobase = PCI_CONF_READ(VR_PCI_LOIO);
membase = PCI_CONF_READ(VR_PCI_LOMEM);
irq = PCI_CONF_READ(VR_PCI_INTLINE);
irq = PCI_CONF_READ(PCI_INTERRUPT_REG);
/* Reset the power state. */
printf("%s: chip is in D%d power mode "
"-- setting to D0\n",
sc->vr_dev.dv_xname, command & VR_PSTATE_MASK);
command &= 0xFFFFFFFC;
PCI_CONF_WRITE(VR_PCI_PWRMGMTCTRL, command);
"-- setting to D0\n",
sc->vr_dev.dv_xname, reg & PCI_PMCSR_STATE_MASK);
reg = (reg & ~PCI_PMCSR_STATE_MASK) |
PCI_PMCSR_STATE_D0;
PCI_CONF_WRITE(pmreg + PCI_PMCSR, reg);
/* Restore PCI config data. */
PCI_CONF_WRITE(VR_PCI_LOIO, iobase);
PCI_CONF_WRITE(VR_PCI_LOMEM, membase);
PCI_CONF_WRITE(VR_PCI_INTLINE, irq);
PCI_CONF_WRITE(PCI_INTERRUPT_REG, irq);
}
}
/* Make sure bus mastering is enabled. */
command = PCI_CONF_READ(PCI_COMMAND_STATUS_REG);
command |= PCI_COMMAND_MASTER_ENABLE;
PCI_CONF_WRITE(PCI_COMMAND_STATUS_REG, command);
reg = PCI_CONF_READ(PCI_COMMAND_STATUS_REG);
reg |= PCI_COMMAND_MASTER_ENABLE;
PCI_CONF_WRITE(PCI_COMMAND_STATUS_REG, reg);
/* Get revision */
sc->vr_revid = PCI_CONF_READ(VR_PCI_REVID) & 0x000000FF;
sc->vr_revid = PCI_REVISION(pa->pa_class);
/*
* Map control/status registers.

29
sys/dev/pci/if_vrreg.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_vrreg.h,v 1.10 2003/01/03 19:01:09 lha Exp $ */
/* $NetBSD: if_vrreg.h,v 1.11 2003/10/17 16:00:43 tsutsui Exp $ */
/*
* Copyright (c) 1997, 1998
@ -365,34 +365,7 @@ struct vr_desc {
* other PCI registers.
*/
#define VR_PCI_VENDOR_ID 0x00
#define VR_PCI_DEVICE_ID 0x02
#define VR_PCI_COMMAND 0x04
#define VR_PCI_STATUS 0x06
#define VR_PCI_REVID 0x08
#define VR_PCI_CLASSCODE 0x09
#define VR_PCI_LATENCY_TIMER 0x0D
#define VR_PCI_HEADER_TYPE 0x0E
#define VR_PCI_LOIO 0x10
#define VR_PCI_LOMEM 0x14
#define VR_PCI_BIOSROM 0x30
#define VR_PCI_INTLINE 0x3C
#define VR_PCI_INTPIN 0x3D
#define VR_PCI_MINGNT 0x3E
#define VR_PCI_MINLAT 0x0F
#define VR_PCI_RESETOPT 0x48
#define VR_PCI_EEPROM_DATA 0x4C
/* power management registers */
#define VR_PCI_CAPID 0xDC /* 8 bits */
#define VR_PCI_NEXTPTR 0xDD /* 8 bits */
#define VR_PCI_PWRMGMTCAP 0xDE /* 16 bits */
#define VR_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */
#define VR_PSTATE_MASK 0x0003
#define VR_PSTATE_D0 0x0000
#define VR_PSTATE_D1 0x0002
#define VR_PSTATE_D2 0x0002
#define VR_PSTATE_D3 0x0003
#define VR_PME_EN 0x0010
#define VR_PME_STATUS 0x8000