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Date: Thu, 2 Apr 2015 23:39:56 -0500 From: <dinguyen@...nsource.altera.com> To: <linux@....linux.org.uk>, <arnd@...db.de>, <olof@...om.net>, <khilman@...aro.org>, <robh+dt@...nel.org>, <ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>, <mark.rutland@....com>, <pawel.moll@....com> CC: <dinh.linux@...il.com>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, Dinh Nguyen <dinguyen@...nsource.altera.com> Subject: [PATCH 5/7] ARM: socfpga: Add support for UART1 debug uart for earlyprintk From: Dinh Nguyen <dinguyen@...nsource.altera.com> Add support for hardware uart1 for earlyprintk support on Arria10 devkit. Signed-off-by: Dinh Nguyen <dinguyen@...nsource.altera.com> --- arch/arm/Kconfig.debug | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 970de75..0e52b92 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -920,13 +920,22 @@ choice on SA-11x0 UART ports. The kernel will check for the first enabled UART in a sequence 3-1-2. - config DEBUG_SOCFPGA_UART + config DEBUG_SOCFPGA_UART0 depends on ARCH_SOCFPGA - bool "Use SOCFPGA UART for low-level debug" + bool "Use SOCFPGA UART0 for low-level debug" select DEBUG_UART_8250 help Say Y here if you want kernel low-level debugging support - on SOCFPGA based platforms. + on SOCFPGA(Cyclone 5 and Arria 5) based platforms. + + config DEBUG_SOCFPGA_UART1 + depends on ARCH_SOCFPGA + bool "Use SOCFPGA UART1 for low-level debug" + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on SOCFPGA(Arria 10) based platforms. + config DEBUG_SUN9I_UART0 bool "Kernel low-level debugging messages via sun9i UART0" @@ -1419,7 +1428,8 @@ config DEBUG_UART_PHYS default 0xfcb00000 if DEBUG_HI3620_UART default 0xfe800000 if ARCH_IOP32X default 0xff690000 if DEBUG_RK32_UART2 - default 0xffc02000 if DEBUG_SOCFPGA_UART + default 0xffc02000 if DEBUG_SOCFPGA_UART0 + default 0xffc02100 if DEBUG_SOCFPGA_UART1 default 0xffd82340 if ARCH_IOP13XX default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 @@ -1497,7 +1507,8 @@ config DEBUG_UART_VIRT default 0xfeb26000 if DEBUG_RK3X_UART1 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 - default 0xfec02000 if DEBUG_SOCFPGA_UART + default 0xfec02000 if DEBUG_SOCFPGA_UART0 + default 0xfec02100 if DEBUG_SOCFPGA_UART1 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 @@ -1542,8 +1553,8 @@ config DEBUG_UART_8250_WORD bool "Use 32-bit accesses for 8250 UART" depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 depends on DEBUG_UART_8250_SHIFT >= 2 - default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \ - ARCH_KEYSTONE || \ + default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART0 || \ + DEBUG_SOCFPGA_UART1 || ARCH_KEYSTONE || \ DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ DEBUG_DAVINCI_DA8XX_UART2 || \ DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \ -- 2.2.1 -- 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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