diff options
| author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2012-12-29 11:21:53 +0800 |
|---|---|---|
| committer | Zhangfei Gao <zhangfei.gao@linaro.org> | 2013-08-13 14:33:07 +0800 |
| commit | 4504eab212e4dce7ed1e80c60ec0e02373acf9ec (patch) | |
| tree | 515b463b3d031e53e2164c42898e5d3db1e90204 | |
| parent | 814dcbcaede280b39d52991f61891394ab7cf8e1 (diff) | |
ARM: debug: support debug ll on hisilicon soc
Support UART0 debug ll on hisilicon Hi3620 SoC.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
| -rw-r--r-- | arch/arm/Kconfig.debug | 8 | ||||
| -rw-r--r-- | arch/arm/include/debug/hisilicon.S | 24 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 1d41908d5cda..b90a2cef5d87 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -251,6 +251,13 @@ choice Say Y here if you want kernel low-level debugging support on i.MX6Q/DL. + config DEBUG_HI3620_UART0 + bool "Hisilicon HI3620 Debug UART0" + depends on ARCH_HS + help + Say Y here if you want kernel low-level debugging support + on HI3620 UART0. + config DEBUG_MMP_UART2 bool "Kernel low-level debugging message via MMP UART2" depends on ARCH_MMP @@ -623,6 +630,7 @@ 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_UART0 || DEBUG_HI3620_UART4 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 000000000000..3f25488e1332 --- /dev/null +++ b/arch/arm/include/debug/hisilicon.S @@ -0,0 +1,24 @@ +/* + * Early serial output macro for Hisilicon SoC + * + * Copyright (C) 2012-2013 Linaro Ltd. + * + * 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. +*/ + +#define HI3620_UART0_PHYS_BASE 0xfcb00000 +#define HI3620_UART0_VIRT_BASE 0xfeb00000 + +#if defined(CONFIG_DEBUG_HI3620_UART0) + .macro addruart,rp,rv,tmp + ldr \rp, =HI3620_UART0_PHYS_BASE + ldr \rv, =HI3620_UART0_VIRT_BASE + .endm + +#include <asm/hardware/debug-pl01x.S> + +#endif |