diff options
Diffstat (limited to 'arch/arm/mach-vexpress/include/mach/uncompress.h')
| -rw-r--r-- | arch/arm/mach-vexpress/include/mach/uncompress.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-vexpress/include/mach/uncompress.h b/arch/arm/mach-vexpress/include/mach/uncompress.h index 7dab5596b868..1e472eb0bbdc 100644 --- a/arch/arm/mach-vexpress/include/mach/uncompress.h +++ b/arch/arm/mach-vexpress/include/mach/uncompress.h @@ -27,6 +27,7 @@ static unsigned long get_uart_base(void) { +#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT) unsigned long mpcore_periph; /* @@ -42,6 +43,13 @@ static unsigned long get_uart_base(void) return UART_BASE; else return UART_BASE_RS1; +#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9) + return UART_BASE; +#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1) + return UART_BASE_RS1; +#else + return 0; +#endif } /* @@ -51,6 +59,9 @@ static inline void putc(int c) { unsigned long base = get_uart_base(); + if (!base) + return; + while (AMBA_UART_FR(base) & (1 << 5)) barrier(); @@ -61,6 +72,9 @@ static inline void flush(void) { unsigned long base = get_uart_base(); + if (!base) + return; + while (AMBA_UART_FR(base) & (1 << 3)) barrier(); } |