Messages in this thread Patch in this message | | | From | Jonas Jensen <> | Subject | [PATCH v2 3/3] ARM: mach-moxart: add MOXA ART UART debug files | Date | Mon, 17 Jun 2013 13:08:03 +0200 |
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Add MOXA ART kernel low-level debugging port support.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> --- arch/arm/Kconfig.debug | 8 ++++++++ arch/arm/include/debug/moxart.S | 16 ++++++++++++++++ 2 files changed, 24 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/debug/moxart.S
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index e6a6ab1..d1ed6e5 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -447,6 +447,13 @@ choice Say Y here if you want kernel low-level debugging support on Allwinner A1X based platforms on the UART1. + config DEBUG_MOXART_UART0 + bool "Kernel low-level debugging messages via MOXART UART0" + depends on ARCH_MOXART + help + Say Y here if you want kernel low-level debugging support + on MOXART based platforms on the UART0. + config DEBUG_TEGRA_UART depends on ARCH_TEGRA bool "Use Tegra UART for low-level debug" @@ -668,6 +675,7 @@ config DEBUG_LL_INCLUDE default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1 default "debug/socfpga.S" if DEBUG_SOCFPGA_UART default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1 + default "debug/moxart.S" if DEBUG_MOXART_UART0 default "debug/tegra.S" if DEBUG_TEGRA_UART default "debug/ux500.S" if DEBUG_UX500_UART default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \ diff --git a/arch/arm/include/debug/moxart.S b/arch/arm/include/debug/moxart.S new file mode 100644 index 0000000..7ac7c76 --- /dev/null +++ b/arch/arm/include/debug/moxart.S @@ -0,0 +1,16 @@ +/* Copyright (C) 2013 Jonas Jensen <jonas.jensen@gmail.com> + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. */ + +#define MOXART_UART_DEBUG_PHYS_BASE 0x98200000 +#define MOXART_UART_DEBUG_VIRT_BASE 0xf9820000 + +.macro addruart, rp, rv, tmp + ldr \rp, =MOXART_UART_DEBUG_PHYS_BASE + ldr \rv, =MOXART_UART_DEBUG_VIRT_BASE +.endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> -- 1.7.2.5
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