From: haojian.zhuang@linaro.org (Haojian Zhuang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/5] ARM: debug: support debug ll on hisilicon soc
Date: Thu, 14 Mar 2013 15:19:40 +0800 [thread overview]
Message-ID: <1363245584-24488-2-git-send-email-haojian.zhuang@linaro.org> (raw)
In-Reply-To: <1363245584-24488-1-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 acdddda..fd658db 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
next prev parent reply other threads:[~2013-03-14 7:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 7:19 [PATCH v4 0/5] support hisilicon SoC Haojian Zhuang
2013-03-14 7:19 ` Haojian Zhuang [this message]
2013-03-14 7:19 ` [PATCH v4 2/5] clk: hi3xxx: add clock support Haojian Zhuang
2013-03-14 9:09 ` Arnd Bergmann
2013-03-14 9:49 ` Haojian Zhuang
2013-03-14 7:19 ` [PATCH v4 3/5] ARM: hi3xxx: add board support with device tree Haojian Zhuang
2013-03-14 7:19 ` [PATCH v4 4/5] ARM: hi3xxx: enable hi4511 " Haojian Zhuang
2013-03-14 7:19 ` [PATCH v4 5/5] ARM: config: append arch hi3xxx into multi defconfig Haojian Zhuang
2013-03-14 9:10 ` Arnd Bergmann
2013-03-14 9:47 ` Haojian Zhuang
2013-03-14 13:32 ` Arnd Bergmann
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