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Diffstat (limited to 'src/cpu/samsung/exynos5250')
-rw-r--r--src/cpu/samsung/exynos5250/uart.c10
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