Date: Tue, 7 Mar 2023 06:15:48 GMT From: Kyle Evans <kevans@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: d71a00e9f5db - main - arm64: ofw: respect the nonposted-mmio prop in OF_decode_addr() Message-ID: <202303070615.3276FmBL072815@gitrepo.freebsd.org>
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The branch main has been updated by kevans: URL: https://cgit.FreeBSD.org/src/commit/?id=d71a00e9f5db2379d1f267a151b90f1c19dce24d commit d71a00e9f5db2379d1f267a151b90f1c19dce24d Author: Kyle Evans <kevans@FreeBSD.org> AuthorDate: 2023-03-07 06:15:32 +0000 Commit: Kyle Evans <kevans@FreeBSD.org> CommitDate: 2023-03-07 06:15:32 +0000 arm64: ofw: respect the nonposted-mmio prop in OF_decode_addr() This is the only mapping remaining which needs to respect nonposted-mmio to avoid breaking the boot on Apple silicon. Reviewed by: andrew Differential Revision: https://reviews.freebsd.org/D38920 --- sys/arm64/arm64/ofw_machdep.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/sys/arm64/arm64/ofw_machdep.c b/sys/arm64/arm64/ofw_machdep.c index 3941c1d35617..61aa4c1a1208 100644 --- a/sys/arm64/arm64/ofw_machdep.c +++ b/sys/arm64/arm64/ofw_machdep.c @@ -43,7 +43,8 @@ OF_decode_addr(phandle_t dev, int regno, bus_space_tag_t *tag, { bus_addr_t addr; bus_size_t size; - int err; + phandle_t parent; + int err, flags; err = ofw_reg_to_paddr(dev, regno, &addr, &size, NULL); if (err != 0) @@ -54,5 +55,10 @@ OF_decode_addr(phandle_t dev, int regno, bus_space_tag_t *tag, if (sz != NULL) *sz = size; - return (bus_space_map(*tag, addr, size, 0, handle)); + flags = 0; + parent = OF_parent(dev); + if (parent > 0 && OF_hasprop(parent, "nonposted-mmio")) + flags |= BUS_SPACE_MAP_NONPOSTED; + + return (bus_space_map(*tag, addr, size, flags, handle)); }
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