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From: haojian.zhuang@linaro.org (Haojian Zhuang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 07/11] ARM: debug: support debug ll on hisilicon soc
Date: Wed, 13 Mar 2013 13:05:38 +0800
Message-ID: <1363151142-32162-8-git-send-email-haojian.zhuang@linaro.org> (raw)
In-Reply-To: <1363151142-32162-1-git-send-email-haojian.zhuang@linaro.org>

Support UART0 debug ll on hisilicon Hi3620 SoC.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
 arch/arm/Kconfig.debug             |   15 +++++++++++++++
 arch/arm/include/debug/hisilicon.S |   30 ++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 arch/arm/include/debug/hisilicon.S

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index ecfcdba..fd2a39d 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -240,6 +240,20 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on i.MX6Q.
 
+	config DEBUG_HI3620_UART
+		bool "Hisilicon HI3620 Debug UART"
+		depends on ARCH_HI3xxx
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on HI3620 UART.
+
+	config DEBUG_HI3716_UART
+		bool "Hisilicon Hi3716 Debug UART"
+		depends on ARCH_HI3xxx
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on HI3716 UART.
+
 	config DEBUG_MMP_UART2
 		bool "Kernel low-level debugging message via MMP UART2"
 		depends on ARCH_MMP
@@ -589,6 +603,7 @@ config DEBUG_LL_INCLUDE
 				 DEBUG_IMX53_UART ||\
 				 DEBUG_IMX6Q_UART
 	default "debug/highbank.S" if DEBUG_HIGHBANK_UART
+	default "debug/hisilicon.S" if DEBUG_HI3620_UART || DEBUG_HI3716_UART
 	default "debug/mvebu.S" if DEBUG_MVEBU_UART
 	default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
 	default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART
diff --git a/arch/arm/include/debug/hisilicon.S b/arch/arm/include/debug/hisilicon.S
new file mode 100644
index 0000000..47ad019
--- /dev/null
+++ b/arch/arm/include/debug/hisilicon.S
@@ -0,0 +1,30 @@
+/*
+ * Early serial output macro for Hisilicon SoC
+ *
+ * Copyright (C) 2012-2013 Hisilicon Technologies Co., Ltd.
+ * Copyright (C) 2012-2013 Linaro Ltd.
+ *
+ * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#if defined(CONFIG_DEBUG_HI3620_UART)
+#define HS_UART_PHYS_BASE	0xfcb00000
+#define HS_UART_VIRT_BASE	0xfeb00000
+#elif defined(CONFIG_DEBUG_HI3716_UART)
+#define HS_UART_PHYS_BASE	0xf8b00000
+#define HS_UART_VIRT_BASE	0xfeb00000
+#endif
+
+#if defined(CONFIG_DEBUG_HI3620_UART) || defined(CONFIG_DEBUG_HI3716_UART)
+		.macro	addruart,rp,rv,tmp
+		ldr	\rp, =HS_UART_PHYS_BASE
+		ldr	\rv, =HS_UART_VIRT_BASE
+		.endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#endif
-- 
1.7.10.4

  parent reply index

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-13  5:05 [PATCH v3 00/11] add hisilicon SoC support Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 01/11] clocksource: move sp timer driver Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 02/11] clocksource: select USE_OF by default Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 03/11] clocksource: sp804: add device tree support Haojian Zhuang
2013-03-13 11:05   ` Pawel Moll
2013-03-13 11:37     ` Haojian Zhuang
2013-03-13 11:41       ` Pawel Moll
2013-03-13 14:17     ` Rob Herring
2013-03-13 14:42       ` Pawel Moll
2013-03-13 14:51         ` Rob Herring
2013-03-13 14:55           ` Pawel Moll
2013-03-13 15:11             ` Haojian Zhuang
2013-03-13 15:23               ` Pawel Moll
2013-03-13 15:25                 ` Haojian Zhuang
2013-03-13 15:29                   ` Pawel Moll
2013-03-13 15:39                     ` Rob Herring
2013-03-13 15:41                       ` Pawel Moll
2013-03-13 15:44                         ` Haojian Zhuang
2013-03-13 15:42                     ` Haojian Zhuang
2013-03-13 15:49                       ` Pawel Moll
2013-03-13 16:35                         ` Arnd Bergmann
2013-03-13 16:41                           ` Pawel Moll
2013-03-15 12:20       ` Russell King - ARM Linux
2013-03-13  5:05 ` [PATCH v3 04/11] ARM: integrator: use clocksource_of_init for sp804 Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 05/11] ARM: highbank: " Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 06/11] ARM: vexpress: " Haojian Zhuang
2013-03-13 11:10   ` Pawel Moll
2013-03-13 11:42     ` Haojian Zhuang
2013-03-13 11:46       ` Pawel Moll
2013-03-13 12:21         ` Haojian Zhuang
2013-03-13 14:48           ` Pawel Moll
2013-03-13 15:01             ` Haojian Zhuang
2013-03-13 15:19               ` Pawel Moll
2013-03-13 15:59                 ` Haojian Zhuang
2013-03-13 16:28                   ` Pawel Moll
2013-03-13 16:32                   ` Rob Herring
2013-03-15 12:34                     ` Russell King - ARM Linux
2013-03-15 12:58                       ` Pawel Moll
2013-03-15 18:10                         ` Russell King - ARM Linux
2013-03-13  5:05 ` Haojian Zhuang [this message]
2013-03-13  5:05 ` [PATCH v3 08/11] clk: hi3xxx: add clock support Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 09/11] ARM: hi3xxx: add board support with device tree Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 10/11] ARM: hi3xxx: enable hi4511 " Haojian Zhuang
2013-03-13  5:05 ` [PATCH v3 11/11] ARM: config: append arch hi3xxx into multi defconfig Haojian Zhuang

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