diff options
| author | Mark Kettenis <kettenis@openbsd.org> | 2025-07-12 20:52:27 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-07-16 10:56:28 -0600 |
| commit | 3b4604a40b9fd61b87e9d059fc56f04d36f1a380 (patch) | |
| tree | b8338bc847f719f9bf2c395af082d8526694a1a2 /board/armltd/vexpress/vexpress_common.c | |
| parent | f1c03778a4be8e08decf88f6b2018b90f6662090 (diff) | |
Enable the D-cache, which will also enable the MMU. The latter
make sure we don't do unaligned access on Strongly-ordered memory,
which has UNPREDICTABLE behaviour according the architecture
definition. This fixes using U-Boot with recent versions of
QEMU's vexpress-ca9 emulation.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Diffstat (limited to 'board/armltd/vexpress/vexpress_common.c')
| -rw-r--r-- | board/armltd/vexpress/vexpress_common.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/board/armltd/vexpress/vexpress_common.c b/board/armltd/vexpress/vexpress_common.c index 6c374e25e32..3833af59b09 100644 --- a/board/armltd/vexpress/vexpress_common.c +++ b/board/armltd/vexpress/vexpress_common.c @@ -165,3 +165,11 @@ void smp_set_core_boot_addr(unsigned long addr, int corenr) writel(addr, CONFIG_SYSFLAGS_ADDR); } #endif + +#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif |