diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2021-06-18 12:12:23 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2021-06-18 12:12:23 +0000 |
| commit | 684de498d62d3aeb28615cecba99787033be9ed7 (patch) | |
| tree | ad79db11a4c0495a8f595a13bd4859903ef0100d /sys/dev/fdt/dwpcie.c | |
| parent | b25fae1d87c13e418b2fcc29384a3a5c25e01858 (diff) | |
Enable 32-bit I/O addressing. This gets rid of the io address conflict
messages on the HiFive Unmatched.
ok patrick@
Diffstat (limited to 'sys/dev/fdt/dwpcie.c')
| -rw-r--r-- | sys/dev/fdt/dwpcie.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/fdt/dwpcie.c b/sys/dev/fdt/dwpcie.c index 75daa9866c7..55647d2ca7b 100644 --- a/sys/dev/fdt/dwpcie.c +++ b/sys/dev/fdt/dwpcie.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dwpcie.c,v 1.31 2021/06/14 20:54:04 kettenis Exp $ */ +/* $OpenBSD: dwpcie.c,v 1.32 2021/06/18 12:12:22 kettenis Exp $ */ /* * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org> * @@ -478,6 +478,10 @@ dwpcie_attach_deferred(struct device *self) HWRITE4(sc, PCI_MAPREG_START, PCI_MAPREG_MEM_TYPE_64BIT); HWRITE4(sc, PCI_MAPREG_START + 4, 0); + /* Enable 32-bit I/O addressing. */ + HSET4(sc, PPB_REG_IOSTATUS, + PPB_IO_32BIT | (PPB_IO_32BIT << PPB_IOLIMIT_SHIFT)); + /* Make sure read-only bits are write-protected. */ HCLR4(sc, MISC_CONTROL_1, MISC_CONTROL_1_DBI_RO_WR_EN); |