lkml.org 
[lkml]   [2016]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] ARC: [plat-eznps] set default baud for early console
Date
From: Noam Camus <noamca@mellanox.com>

For CONFIG_SERIAL_EARLYCON we need 800MHz for NPS SoC
The early console driver uses BASE_BAUD (and not using dtb) and
default of 50MHz is good for NPS SoC.

Signed-off-by: Noam Camus <noamca@mellanox.com>
---
arch/arc/kernel/devtree.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c
index f1e07c2..3b67f53 100644
--- a/arch/arc/kernel/devtree.c
+++ b/arch/arc/kernel/devtree.c
@@ -31,6 +31,8 @@ static void __init arc_set_early_base_baud(unsigned long dt_root)
arc_base_baud = 166666666; /* Fixed 166.6MHz clk (TB10x) */
else if (of_flat_dt_is_compatible(dt_root, "snps,arc-sdp"))
arc_base_baud = 33333333; /* Fixed 33MHz clk (AXS10x) */
+ else if (of_flat_dt_is_compatible(dt_root, "ezchip,arc-nps"))
+ arc_base_baud = 800000000; /* Fixed 800MHz clk (NPS) */
else
arc_base_baud = 50000000; /* Fixed default 50MHz */
}
--
1.7.1
\
 
 \ /
  Last update: 2016-11-08 12:21    [W:0.027 / U:0.688 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site