Module Name: src Committed By: martin Date: Thu Oct 17 18:58:33 UTC 2019
Modified Files: src/sys/dev/pci [netbsd-9]: if_vge.c if_vgereg.h Log Message: Pull up following revision(s) (requested by msaitoh in ticket #345): sys/dev/pci/if_vgereg.h: revision 1.5 sys/dev/pci/if_vge.c: revision 1.75 Copy vge_clrwol() from FreeBSD and call it in vge_attach() to recover from powerdown mode. Fixes PR kern/41525 reported by Aran Clauson. To generate a diff of this commit: cvs rdiff -u -r1.73 -r1.73.2.1 src/sys/dev/pci/if_vge.c cvs rdiff -u -r1.4 -r1.4.2.1 src/sys/dev/pci/if_vgereg.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/pci/if_vge.c diff -u src/sys/dev/pci/if_vge.c:1.73 src/sys/dev/pci/if_vge.c:1.73.2.1 --- src/sys/dev/pci/if_vge.c:1.73 Tue Jul 9 08:46:59 2019 +++ src/sys/dev/pci/if_vge.c Thu Oct 17 18:58:33 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: if_vge.c,v 1.73 2019/07/09 08:46:59 msaitoh Exp $ */ +/* $NetBSD: if_vge.c,v 1.73.2.1 2019/10/17 18:58:33 martin Exp $ */ /*- * Copyright (c) 2004 @@ -35,7 +35,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: if_vge.c,v 1.73 2019/07/09 08:46:59 msaitoh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: if_vge.c,v 1.73.2.1 2019/10/17 18:58:33 martin Exp $"); /* * VIA Networking Technologies VT612x PCI gigabit ethernet NIC driver. @@ -328,6 +328,7 @@ static void vge_miibus_statchg(struct if static void vge_cam_clear(struct vge_softc *); static int vge_cam_set(struct vge_softc *, uint8_t *); +static void vge_clrwol(struct vge_softc *); static void vge_setmulti(struct vge_softc *); static void vge_reset(struct vge_softc *); @@ -953,6 +954,9 @@ vge_attach(device_t parent, device_t sel aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); + /* Clear WOL and take hardware from powerdown. */ + vge_clrwol(sc); + /* * Use the 32bit tag. Hardware supports 48bit physical addresses, * but we don't use that for now. @@ -2156,3 +2160,30 @@ vge_shutdown(device_t self, int howto) return true; } + +static void +vge_clrwol(struct vge_softc *sc) +{ + uint8_t val; + + val = CSR_READ_1(sc, VGE_PWRSTAT); + val &= ~VGE_STICKHW_SWPTAG; + CSR_WRITE_1(sc, VGE_PWRSTAT, val); + /* Disable WOL and clear power state indicator. */ + val = CSR_READ_1(sc, VGE_PWRSTAT); + val &= ~(VGE_STICKHW_DS0 | VGE_STICKHW_DS1); + CSR_WRITE_1(sc, VGE_PWRSTAT, val); + + CSR_CLRBIT_1(sc, VGE_DIAGCTL, VGE_DIAGCTL_GMII); + CSR_CLRBIT_1(sc, VGE_DIAGCTL, VGE_DIAGCTL_MACFORCE); + + /* Clear WOL on pattern match. */ + CSR_WRITE_1(sc, VGE_WOLCR0C, VGE_WOLCR0_PATTERN_ALL); + /* Disable WOL on magic/unicast packet. */ + CSR_WRITE_1(sc, VGE_WOLCR1C, 0x0F); + CSR_WRITE_1(sc, VGE_WOLCFGC, VGE_WOLCFG_SAB | VGE_WOLCFG_SAM | + VGE_WOLCFG_PMEOVR); + /* Clear WOL status on pattern match. */ + CSR_WRITE_1(sc, VGE_WOLSR0C, 0xFF); + CSR_WRITE_1(sc, VGE_WOLSR1C, 0xFF); +} Index: src/sys/dev/pci/if_vgereg.h diff -u src/sys/dev/pci/if_vgereg.h:1.4 src/sys/dev/pci/if_vgereg.h:1.4.2.1 --- src/sys/dev/pci/if_vgereg.h:1.4 Thu Jul 11 03:49:51 2019 +++ src/sys/dev/pci/if_vgereg.h Thu Oct 17 18:58:33 2019 @@ -540,6 +540,31 @@ #define VGE_TXBLOCK_128PKTS 0x08 #define VGE_TXBLOCK_8PKTS 0x0C +/* Sticky bit shadow register */ + +#define VGE_STICKHW_DS0 0x01 +#define VGE_STICKHW_DS1 0x02 +#define VGE_STICKHW_WOL_ENB 0x04 +#define VGE_STICKHW_WOL_STS 0x08 +#define VGE_STICKHW_SWPTAG 0x10 + +/* WOL pattern control */ +#define VGE_WOLCR0_PATTERN0 0x01 +#define VGE_WOLCR0_PATTERN1 0x02 +#define VGE_WOLCR0_PATTERN2 0x04 +#define VGE_WOLCR0_PATTERN3 0x08 +#define VGE_WOLCR0_PATTERN4 0x10 +#define VGE_WOLCR0_PATTERN5 0x20 +#define VGE_WOLCR0_PATTERN6 0x40 +#define VGE_WOLCR0_PATTERN7 0x80 +#define VGE_WOLCR0_PATTERN_ALL 0xFF + +/* WOL config register */ +#define VGE_WOLCFG_PHYINT_ENB 0x01 +#define VGE_WOLCFG_SAB 0x10 +#define VGE_WOLCFG_SAM 0x20 +#define VGE_WOLCFG_PMEOVR 0x80 + /* EEPROM control/status register */ #define VGE_EECSR_EDO 0x01 /* data out pin */