diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/uart.c')
| -rw-r--r-- | src/cpu/samsung/exynos5250/uart.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/cpu/samsung/exynos5250/uart.c b/src/cpu/samsung/exynos5250/uart.c index 24812ae64f..41dc709c97 100644 --- a/src/cpu/samsung/exynos5250/uart.c +++ b/src/cpu/samsung/exynos5250/uart.c @@ -162,12 +162,19 @@ static void exynos5_uart_tx_byte(unsigned char data) writeb(data, &uart->utxh); } +static void exynos5_uart_tx_flush(void) +{ + struct s5p_uart *uart = (struct s5p_uart *)base_port; + + while (readl(&uart->ufstat) & 0x1ff0000); +} + #if !defined(__PRE_RAM__) static const struct console_driver exynos5_uart_console __console = { .init = exynos5_init_dev, .tx_byte = exynos5_uart_tx_byte, -// .tx_flush = exynos5_uart_tx_flush, + .tx_flush = exynos5_uart_tx_flush, .rx_byte = exynos5_uart_rx_byte, // .tst_byte = exynos5_uart_tst_byte, }; @@ -196,6 +203,7 @@ void uart_tx_byte(unsigned char data) void uart_tx_flush(void) { + exynos5_uart_tx_flush(); } #endif |