diff options
Diffstat (limited to 'arch/arm/mach-socfpga/include/mach/debug_ll.h')
| -rw-r--r-- | arch/arm/mach-socfpga/include/mach/debug_ll.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/debug_ll.h b/arch/arm/mach-socfpga/include/mach/debug_ll.h index 4e906ea66e..f41258c504 100644 --- a/arch/arm/mach-socfpga/include/mach/debug_ll.h +++ b/arch/arm/mach-socfpga/include/mach/debug_ll.h @@ -53,6 +53,17 @@ static inline void INIT_LL(void) writel(FCRVAL, UART_BASE + FCR); } +#ifdef CONFIG_ARCH_SOCFPGA_ARRIA10 +static inline void PUTC_LL(char c) +{ + /* Wait until there is space in the FIFO */ + while ((readl(UART_BASE + LSR) & LSR_THRE) == 0); + /* Send the character */ + writel(c, UART_BASE + THR); + /* Wait to make sure it hits the line, in case we die too soon. */ + while ((readl(UART_BASE + LSR) & LSR_THRE) == 0); +} +#else static inline void PUTC_LL(char c) { /* Wait until there is space in the FIFO */ @@ -62,6 +73,7 @@ static inline void PUTC_LL(char c) /* Wait to make sure it hits the line, in case we die too soon. */ while ((readb(UART_BASE + LSR) & LSR_THRE) == 0); } +#endif #else static inline unsigned int ns16550_calc_divisor(unsigned int clk, |