From: haojian.zhuang@linaro.org (Haojian Zhuang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/6] ARM: debug: support debug ll on hisilicon soc
Date: Tue, 4 Jun 2013 23:05:12 +0800 [thread overview]
Message-ID: <1370358317-12768-2-git-send-email-haojian.zhuang@linaro.org> (raw)
In-Reply-To: <1370358317-12768-1-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 1d41908..7396572 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -251,6 +251,20 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX6Q/DL.
+ 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
@@ -623,6 +637,7 @@ config DEBUG_LL_INCLUDE
default "debug/cns3xxx.S" if DEBUG_CNS3XXX
default "debug/exynos.S" if DEBUG_EXYNOS_UART
default "debug/highbank.S" if DEBUG_HIGHBANK_UART
+ default "debug/hisilicon.S" if DEBUG_HI3620_UART || DEBUG_HI3716_UART
default "debug/icedcc.S" if DEBUG_ICEDCC
default "debug/imx.S" if DEBUG_IMX1_UART || \
DEBUG_IMX25_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
--
1.8.1.2
next prev parent reply other threads:[~2013-06-04 15:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-04 15:05 [PATCH v2 0/6] support hi3xxx soc Haojian Zhuang
2013-06-04 15:05 ` Haojian Zhuang [this message]
2013-06-04 15:13 ` [PATCH v2 1/6] ARM: debug: support debug ll on hisilicon soc Arnd Bergmann
2013-06-04 15:05 ` [PATCH v2 2/6] clk: mux: add CLK_MUX_HIWORD_MASK Haojian Zhuang
2013-06-04 15:05 ` [PATCH v2 3/6] clk: divider: add CLK_DIVIDER_HIWORD_MASK flag Haojian Zhuang
2013-06-07 9:15 ` Linus Walleij
2013-06-07 9:30 ` Haojian Zhuang
2013-06-07 12:31 ` Heiko Stübner
2013-06-08 3:17 ` Haojian Zhuang
2013-06-08 9:20 ` Heiko Stübner
2013-06-04 15:05 ` [PATCH v2 4/6] clk: hi3xxx: add clock support Haojian Zhuang
2013-06-04 15:05 ` [PATCH v2 5/6] ARM: hi3xxx: add board support with device tree Haojian Zhuang
2013-06-04 15:16 ` Arnd Bergmann
2013-06-05 3:04 ` Haojian Zhuang
2013-06-07 10:54 ` Arnd Bergmann
2013-06-04 15:05 ` [PATCH v2 6/6] ARM: hi3xxx: enable hi4511 " Haojian Zhuang
2013-06-04 15:20 ` Arnd Bergmann
2013-06-04 15:31 ` Haojian Zhuang
2013-06-05 3:56 ` [PATCH v3 5/6] ARM: hi3xxx: add board support " Haojian Zhuang
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