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From: Wadim Egorov <w.egorov@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCH 1/2] ARM: phycore-rk3288: Use UART2 as debug output
Date: Thu, 9 Feb 2017 10:36:41 +0100	[thread overview]
Message-ID: <1486633003-34908-1-git-send-email-w.egorov@phytec.de> (raw)

RK3288's UART2 is the default debug uart interface.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
---
 arch/arm/boards/phytec-som-rk3288/lowlevel.c | 11 +++++------
 arch/arm/dts/rk3288-phycore-som.dts          |  2 +-
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/arm/boards/phytec-som-rk3288/lowlevel.c b/arch/arm/boards/phytec-som-rk3288/lowlevel.c
index 7804a55..7649ef8 100644
--- a/arch/arm/boards/phytec-som-rk3288/lowlevel.c
+++ b/arch/arm/boards/phytec-som-rk3288/lowlevel.c
@@ -30,14 +30,13 @@ ENTRY_FUNCTION(start_rk3288_phycore_som, r0, r1, r2)
 
 	if (IS_ENABLED(CONFIG_DEBUG_LL)) {
 		struct rk3288_grf * const grf = (void *)RK3288_GRF_BASE;
-		rk_clrsetreg(&grf->gpio4c_iomux,
-			GPIO4C1_MASK << GPIO4C1_SHIFT |
-			GPIO4C0_MASK << GPIO4C0_SHIFT,
-			GPIO4C1_UART0BT_SOUT << GPIO4C1_SHIFT |
-			GPIO4C0_UART0BT_SIN << GPIO4C0_SHIFT);
+		rk_clrsetreg(&grf->gpio7ch_iomux,
+			     GPIO7C7_MASK << GPIO7C7_SHIFT |
+			     GPIO7C6_MASK << GPIO7C6_SHIFT,
+			     GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
+			     GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
 		INIT_LL();
 	}
-
 	fdt = __dtb_rk3288_phycore_som_start - get_runtime_offset();
 
 	barebox_arm_entry(0x0, SZ_1G, fdt);
diff --git a/arch/arm/dts/rk3288-phycore-som.dts b/arch/arm/dts/rk3288-phycore-som.dts
index 5410bd1..dd74bcf 100644
--- a/arch/arm/dts/rk3288-phycore-som.dts
+++ b/arch/arm/dts/rk3288-phycore-som.dts
@@ -44,7 +44,7 @@
 	};
 
 	chosen {
-		stdout-path = &uart0;
+		stdout-path = &uart2;
 
 		environment-emmc {
 			compatible = "barebox,environment";
-- 
1.9.1


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             reply	other threads:[~2017-02-09  9:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-09  9:36 Wadim Egorov [this message]
2017-02-09  9:36 ` [RFC] serial: ns16550: Set read/write functions depending on reg-io-width Wadim Egorov
2017-02-20 13:12   ` Wadim Egorov
2017-02-28  7:53     ` Sascha Hauer
2017-02-09  9:36 ` [PATCH 2/2] config: Set UART port 2 as debug port Wadim Egorov
2017-02-10  7:19 ` [PATCH 1/2] ARM: phycore-rk3288: Use UART2 as debug output Sascha Hauer

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