diff options
| author | Stefan Roese <sr@denx.de> | 2015-04-25 06:29:55 +0200 |
|---|---|---|
| committer | Luka Perkov <luka.perkov@sartura.hr> | 2015-05-05 14:32:04 +0200 |
| commit | 60b75324ea6fb0a72786f3ec36c1057f39ebe2e6 (patch) | |
| tree | 14103fe1613c15c74cc7b178f7c7f16c7ceb6b41 | |
| parent | b81d0ea7280b2d325e7c16cce808bec035d60a08 (diff) | |
| download | talos-obmc-uboot-60b75324ea6fb0a72786f3ec36c1057f39ebe2e6.tar.gz talos-obmc-uboot-60b75324ea6fb0a72786f3ec36c1057f39ebe2e6.zip | |
arm: mvebu: Add d-cache invalidate before enabling the d-cache
This solves some RX problems that have been seen, when using the
mvneta ethernet driver. The cache needs to be reset into a "clean"
state before using it.
Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Tested-by: Dirk Eibach <dirk.eibach@gdsys.cc>
| -rw-r--r-- | arch/arm/mach-mvebu/cpu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c index 8058fadb22..04681fc5a0 100644 --- a/arch/arm/mach-mvebu/cpu.c +++ b/arch/arm/mach-mvebu/cpu.c @@ -240,6 +240,9 @@ int cpu_eth_init(bd_t *bis) #ifndef CONFIG_SYS_DCACHE_OFF void enable_caches(void) { + /* Avoid problem with e.g. neta ethernet driver */ + invalidate_dcache_all(); + /* Enable D-cache. I-cache is already enabled in start.S */ dcache_enable(); } |
