diff options
| author | Stefan Roese <sr@denx.de> | 2012-11-19 12:09:41 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2012-11-20 15:36:21 +0100 |
| commit | aa25115aff14a149a6b611fe54776c142e483781 (patch) | |
| tree | 2c921beb5fde7c9e6f2c238b8d2321892e3a09c0 /arch | |
| parent | ARM: sunxi: Restructure sunxi dts/dtsi files (diff) | |
| download | linux-aa25115aff14a149a6b611fe54776c142e483781.tar.xz linux-aa25115aff14a149a6b611fe54776c142e483781.zip | |
ARM: sunxi: Add earlyprintk support for UART0 (sun4i)
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig.debug | 9 | ||||
| -rw-r--r-- | arch/arm/include/debug/sunxi.S | 5 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index f12bc3a2c3c0..cc1ed35179a5 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -345,6 +345,13 @@ choice Say Y here if you want kernel low-level debugging support on SOCFPGA based platforms. + config DEBUG_SUNXI_UART0 + bool "Kernel low-level debugging messages via sunXi UART0" + depends on ARCH_SUNXI + help + Say Y here if you want kernel low-level debugging support + on Allwinner A1X based platforms on the UART0. + config DEBUG_SUNXI_UART1 bool "Kernel low-level debugging messages via sunXi UART1" depends on ARCH_SUNXI @@ -423,7 +430,7 @@ config DEBUG_LL_INCLUDE default "debug/mvebu.S" if DEBUG_MVEBU_UART default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART default "debug/socfpga.S" if DEBUG_SOCFPGA_UART - default "debug/sunxi.S" if DEBUG_SUNXI_UART1 + default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \ DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1 default "mach/debug-macro.S" diff --git a/arch/arm/include/debug/sunxi.S b/arch/arm/include/debug/sunxi.S index 3bf61ca0df75..04eb56d5db2c 100644 --- a/arch/arm/include/debug/sunxi.S +++ b/arch/arm/include/debug/sunxi.S @@ -10,7 +10,10 @@ * published by the Free Software Foundation. */ -#ifdef CONFIG_DEBUG_SUNXI_UART1 +#if defined(CONFIG_DEBUG_SUNXI_UART0) +#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000 +#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000 +#elif defined(CONFIG_DEBUG_SUNXI_UART1) #define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400 #define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400 #endif |