commit 4e398c9075f9576a696620cb4c81b2a56e250356
author Madhukar Pappireddy <madhukar.pappireddy@arm.com> Thu Dec 31 23:19:56 2020 +0000
committer TrustedFirmware Code Review <review@review.trustedfirmware.org> Thu Dec 31 23:19:56 2020 +0000
tree 179984723fb61c6fcaa48add2944bf0e57f8f248
parent 077d20e5629d6f3af3940a52bcfe8727835bb047
parent f758cebe585c313c07440be862f705d62eae139a

Merge "marvell: uart: a3720: Implement console_a3700_core_flush" into integration

drivers/marvell/uart/a3700_console.S

diff --git a/drivers/marvell/uart/a3700_console.S b/drivers/marvell/uart/a3700_console.S
index d184a2d..dc374ee 100644
--- a/drivers/marvell/uart/a3700_console.S
+++ b/drivers/marvell/uart/a3700_console.S
@@ -232,6 +232,11 @@
 	 * ---------------------------------------------
 	 */
 func console_a3700_core_flush
+	/* Wait for the TX FIFO to be empty */
+1:	ldr	w1, [x0, #UART_STATUS_REG]
+	and	w1, w1, #UARTLSR_TXFIFOEMPTY
+	cmp	w1, #UARTLSR_TXFIFOEMPTY
+	b.ne	1b
 	ret
 endfunc console_a3700_core_flush