[coreboot-gerrit] Patch set updated for coreboot: a7cb9a2 soc/samsung/exynos5420/uart.c: Implement 'uart_tx_flush()'
Edward O'Callaghan (eocallaghan@alterapraxis.com)
gerrit at coreboot.org
Fri Dec 26 15:32:43 CET 2014
Edward O'Callaghan (eocallaghan at alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7927
-gerrit
commit a7cb9a28e60a661105699ac0914c35080787bae3
Author: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Date: Fri Dec 26 12:44:08 2014 +1100
soc/samsung/exynos5420/uart.c: Implement 'uart_tx_flush()'
This brings 'uart.c' implementations closer together between
Exynos generations.
Change-Id: Ifbc61794207ff36a9d8a98951e917f3b6d2ef205
Signed-off-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
---
src/soc/samsung/exynos5420/uart.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/soc/samsung/exynos5420/uart.c b/src/soc/samsung/exynos5420/uart.c
index 4d71155..7a7b79b 100644
--- a/src/soc/samsung/exynos5420/uart.c
+++ b/src/soc/samsung/exynos5420/uart.c
@@ -149,6 +149,11 @@ static void exynos5_uart_tx_byte(struct s5p_uart *uart, unsigned char data)
writeb(data, &uart->utxh);
}
+static void exynos5_uart_tx_flush(struct s5p_uart *uart)
+{
+ while (readl(&uart->ufstat) & 0x1ff0000);
+}
+
uintptr_t uart_platform_base(int idx)
{
if (idx < 4)
@@ -177,7 +182,8 @@ void uart_tx_byte(int idx, unsigned char data)
void uart_tx_flush(int idx)
{
- /* Exynos5250 implements this too. */
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
+ exynos5_uart_tx_flush(uart);
}
#ifndef __PRE_RAM__
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