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authorJanne Huttunen <janne.huttunen@nokia.com>2015-08-13 16:21:37 +0300
committerRalf Baechle <ralf@linux-mips.org>2015-09-03 13:08:09 +0300
commitb92084ba545b73933ca179d46fe11801f7f9d349 (patch)
tree3370e89119007443ebe572f20006e9868d5e274b /arch/mips
parent4397564542c18d2fee904b1e2c09ae15a871d853 (diff)
downloadlinux-b92084ba545b73933ca179d46fe11801f7f9d349.tar.xz
MIPS: Octeon: Configure minimum PKO packet sizes on CN68XX
CN68XX has common minimum packet size filters that need to be configured for the traffic to work. Just set them to a default value. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10963/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index ed4816c283f0..376701f41cc2 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -658,6 +658,21 @@ static int __cvmx_helper_global_setup_pko(void)
fau_to.s.tout_val = 0xfff;
fau_to.s.tout_enb = 0;
cvmx_write_csr(CVMX_IOB_FAU_TIMEOUT, fau_to.u64);
+
+ if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
+ union cvmx_pko_reg_min_pkt min_pkt;
+
+ min_pkt.u64 = 0;
+ min_pkt.s.size1 = 59;
+ min_pkt.s.size2 = 59;
+ min_pkt.s.size3 = 59;
+ min_pkt.s.size4 = 59;
+ min_pkt.s.size5 = 59;
+ min_pkt.s.size6 = 59;
+ min_pkt.s.size7 = 59;
+ cvmx_write_csr(CVMX_PKO_REG_MIN_PKT, min_pkt.u64);
+ }
+
return 0;
}