diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/percpu.h | 11 | ||||
| -rw-r--r-- | arch/arm/include/debug/imx-uart.h | 10 |
2 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/include/asm/percpu.h b/arch/arm/include/asm/percpu.h index 968c0a14e0a3..209e6504922e 100644 --- a/arch/arm/include/asm/percpu.h +++ b/arch/arm/include/asm/percpu.h @@ -30,8 +30,15 @@ static inline void set_my_cpu_offset(unsigned long off) static inline unsigned long __my_cpu_offset(void) { unsigned long off; - /* Read TPIDRPRW */ - asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : : "memory"); + register unsigned long *sp asm ("sp"); + + /* + * Read TPIDRPRW. + * We want to allow caching the value, so avoid using volatile and + * instead use a fake stack read to hazard against barrier(). + */ + asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : "Q" (*sp)); + return off; } #define __my_cpu_offset __my_cpu_offset() diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h index 91d38e38a0b4..29da84e183f4 100644 --- a/arch/arm/include/debug/imx-uart.h +++ b/arch/arm/include/debug/imx-uart.h @@ -65,6 +65,14 @@ #define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR #define IMX6Q_UART_BASE(n) IMX6Q_UART_BASE_ADDR(n) +#define IMX6SL_UART1_BASE_ADDR 0x02020000 +#define IMX6SL_UART2_BASE_ADDR 0x02024000 +#define IMX6SL_UART3_BASE_ADDR 0x02034000 +#define IMX6SL_UART4_BASE_ADDR 0x02038000 +#define IMX6SL_UART5_BASE_ADDR 0x02018000 +#define IMX6SL_UART_BASE_ADDR(n) IMX6SL_UART##n##_BASE_ADDR +#define IMX6SL_UART_BASE(n) IMX6SL_UART_BASE_ADDR(n) + #define IMX_DEBUG_UART_BASE(soc) soc##_UART_BASE(CONFIG_DEBUG_IMX_UART_PORT) #ifdef CONFIG_DEBUG_IMX1_UART @@ -83,6 +91,8 @@ #define UART_PADDR IMX_DEBUG_UART_BASE(IMX53) #elif defined(CONFIG_DEBUG_IMX6Q_UART) #define UART_PADDR IMX_DEBUG_UART_BASE(IMX6Q) +#elif defined(CONFIG_DEBUG_IMX6SL_UART) +#define UART_PADDR IMX_DEBUG_UART_BASE(IMX6SL) #endif #endif /* __DEBUG_IMX_UART_H */ |