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| author | Murali Karicheri <m-karicheri2@ti.com> | 2011-11-26 10:25:03 -0500 |
|---|---|---|
| committer | Cyril Chemparathy <cyril@ti.com> | 2012-09-21 10:44:02 -0400 |
| commit | f5e26552d252098413df965a289c9150d95727c8 (patch) | |
| tree | 374ee981c4a184a0d5df4df581b48ad6a5ee4971 | |
| parent | e1ee7465f2c30ff2003f137f47a987c98d640775 (diff) | |
| download | linux-keystone-f5e26552d252098413df965a289c9150d95727c8.tar.gz | |
tci6614: add low level debug support
- Adds LL debug support
- Early printk support
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
| -rw-r--r-- | arch/arm/Kconfig.debug | 7 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/debug-macro.S | 3 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/serial.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/uncompress.h | 3 |
4 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index e968a52e488196..a9ea4174626978 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -132,6 +132,13 @@ choice their output to UART1 serial port on DaVinci TNETV107X devices. + config DEBUG_DAVINCI_TCI6614_UART0 + bool "Kernel low-level debugging on TCI6614 using UART0" + depends on ARCH_DAVINCI_TCI6614 + help + Say Y here if you want the debug print routines to direct + their output to UART0 serial port on TCI6614 devices. + config DEBUG_DC21285_PORT bool "Kernel low-level debugging messages via footbridge serial port" depends on FOOTBRIDGE diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index 34290d14754b41..096a38ae9a7c11 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -33,6 +33,9 @@ #elif defined(CONFIG_DEBUG_DAVINCI_TNETV107X_UART1) #define UART_BASE TNETV107X_UART2_BASE #define UART_VIRTBASE TNETV107X_UART2_VIRT +#elif defined(CONFIG_DEBUG_DAVINCI_TCI6614_UART0) +#define UART_BASE TCI6614_UART0_BASE +#define UART_VIRTBASE TCI6614_UART0_VIRT #else #error "Select a specifc port for DEBUG_LL" #endif diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index 46b3cd11c3c2ec..5c6f3214dd5f98 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -31,6 +31,11 @@ #define TNETV107X_UART1_VIRT IOMEM(0xfed88400) #define TNETV107X_UART2_VIRT IOMEM(0xfee08300) +#define TCI6614_UART0_BASE 0x02540000 +#define TCI6614_UART0_VIRT IOMEM(0xfed40000) +#define TCI6614_UART1_BASE 0x02541000 +#define TCI6614_UART1_VIRT IOMEM(0xfed41000) + /* DaVinci UART register offsets */ #define UART_DAVINCI_PWREMU 0x0c #define UART_DM646X_SCR 0x10 diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h index 18cfd4977155b4..ea41c92b25388a 100644 --- a/arch/arm/mach-davinci/include/mach/uncompress.h +++ b/arch/arm/mach-davinci/include/mach/uncompress.h @@ -65,6 +65,9 @@ static inline void set_uart_info(u32 phys) #define DEBUG_LL_TNETV107X(machine, port) \ _DEBUG_LL_ENTRY(machine, TNETV107X_UART##port##_BASE) +#define DEBUG_LL_TCI6614(machine, port) \ + _DEBUG_LL_ENTRY(machine, TCI6614_UART##port##_BASE) + static inline void __arch_decomp_setup(unsigned long arch_id) { /* |