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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-06-23 10:01:54 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-06-25 11:52:36 +0200 |
| commit | 549ccf4d0c6e4235340d2b3cef92c0185956de0e (patch) | |
| tree | 69538156bab8998e46bb7b209f667b4482079121 /arch/arm/mach-imx/include/mach/debug_ll.h | |
| parent | 2e6bbb40651af7d197246457a3790e613af3a1c0 (diff) | |
| download | barebox-549ccf4d0c6e4235340d2b3cef92c0185956de0e.tar.gz barebox-549ccf4d0c6e4235340d2b3cef92c0185956de0e.tar.xz | |
ARM: i.MX: Make debug UART selectable from Kconfig
To make early debugging on i.MX a bit simpler. This uses a similar
magic than the kernel does.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/include/mach/debug_ll.h')
| -rw-r--r-- | arch/arm/mach-imx/include/mach/debug_ll.h | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/arch/arm/mach-imx/include/mach/debug_ll.h b/arch/arm/mach-imx/include/mach/debug_ll.h index cb6dd039bc..0bb28ee6ea 100644 --- a/arch/arm/mach-imx/include/mach/debug_ll.h +++ b/arch/arm/mach-imx/include/mach/debug_ll.h @@ -13,13 +13,31 @@ #include <mach/imx53-regs.h> #include <mach/imx6-regs.h> -/* #define IMX_DEBUG_LL_UART_BASE MXxy_UARTx_BASE_ADDR */ - -#ifndef IMX_DEBUG_LL_UART_BASE -#warning define IMX_DEBUG_LL_UART_BASE properly for debug_ll -#define IMX_DEBUG_LL_UART_BASE 0 +#ifdef CONFIG_DEBUG_IMX1_UART +#define IMX_DEBUG_SOC MX1 +#elif defined CONFIG_DEBUG_IMX21_UART +#define IMX_DEBUG_SOC MX21 +#elif defined CONFIG_DEBUG_IMX25_UART +#define IMX_DEBUG_SOC MX25 +#elif defined CONFIG_DEBUG_IMX27_UART +#define IMX_DEBUG_SOC MX27 +#elif defined CONFIG_DEBUG_IMX31_UART +#define IMX_DEBUG_SOC MX31 +#elif defined CONFIG_DEBUG_IMX35_UART +#define IMX_DEBUG_SOC MX35 +#elif defined CONFIG_DEBUG_IMX51_UART +#define IMX_DEBUG_SOC MX51 +#elif defined CONFIG_DEBUG_IMX53_UART +#define IMX_DEBUG_SOC MX53 +#elif defined CONFIG_DEBUG_IMX6Q_UART +#define IMX_DEBUG_SOC MX6 +#else +#error "unknown i.MX debug uart soc type" #endif +#define __IMX_UART_BASE(soc, num) soc##_UART##num##_BASE_ADDR +#define IMX_UART_BASE(soc, num) __IMX_UART_BASE(soc, num) + #define URTX0 0x40 /* Transmitter Register */ #define UCR1 0x80 /* Control Register 1 */ @@ -30,7 +48,8 @@ static inline void PUTC_LL(int c) { - void __iomem *base = (void *)IMX_DEBUG_LL_UART_BASE; + void __iomem *base = (void *)IMX_UART_BASE(IMX_DEBUG_SOC, + CONFIG_DEBUG_IMX_UART_PORT); if (!base) return; |