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Date: Thu, 4 Jul 2013 16:45:31 +0200 From: Jonas Jensen <jonas.jensen@...il.com> To: linux-arm-kernel@...ts.infradead.org Cc: linux@....linux.org.uk, linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org, arm@...nel.org, arnd@...db.de, olof@...om.net, Jonas Jensen <jonas.jensen@...il.com> Subject: [PATCH v3 3/4] ARM: mach-moxart: add MOXA ART UART debug files Add MOXA ART kernel low-level debugging port support. Signed-off-by: Jonas Jensen <jonas.jensen@...il.com> --- Notes: Applies to next-20130703 Changes since v2: 1. use alphabetic ordering in Kconfig arch/arm/Kconfig.debug | 8 ++++++++ arch/arm/include/debug/moxart.S | 20 ++++++++++++++++++++ 2 files changed, 28 insertions(+) create mode 100644 arch/arm/include/debug/moxart.S diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 5b7be8d..781018c 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -286,6 +286,13 @@ choice Say Y here if you want kernel low-level debugging support on MMP UART3. + 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_MSM_UART1 bool "Kernel low-level debugging messages via MSM UART1" depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 @@ -777,6 +784,7 @@ config DEBUG_LL_INCLUDE DEBUG_IMX6SL_UART default "debug/keystone.S" if DEBUG_KEYSTONE_UART0 || \ DEBUG_KEYSTONE_UART1 + default "debug/moxart.S" if DEBUG_MOXART_UART0 default "debug/mvebu.S" if DEBUG_MVEBU_UART || \ DEBUG_MVEBU_UART_ALTERNATE default "debug/mxs.S" if DEBUG_IMX23_UART || DEBUG_IMX28_UART diff --git a/arch/arm/include/debug/moxart.S b/arch/arm/include/debug/moxart.S new file mode 100644 index 0000000..a228451 --- /dev/null +++ b/arch/arm/include/debug/moxart.S @@ -0,0 +1,20 @@ +/* + * Debugging macro include header + * + * Copyright (C) 2013 Jonas Jensen + * + * 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 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> -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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