summaryrefslogtreecommitdiff
path: root/drivers/serial
diff options
context:
space:
mode:
authorPali Rohár <pali@kernel.org>2021-07-26 15:58:59 +0300
committerStefan Roese <sr@denx.de>2021-07-31 10:59:59 +0300
commit2cc4be280c259ac1e8e74c643c72e0331266056f (patch)
tree12a2b59bf6475489ce9d20ba79b65dc26286b1fa /drivers/serial
parent5cd424d71f9f94b6524f929fb90ff6fa8d4eee28 (diff)
downloadu-boot-2cc4be280c259ac1e8e74c643c72e0331266056f.tar.xz
serial: a37xx: Do not call get_ref_clk() in _debug_uart_init()
Static inline function _debug_uart_init() should avoid calling external (non-inline) functions. Therefore do not call get_ref_clk() in _debug_uart_init() and reimplement its functionality without external function calls. Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_mvebu_a3700.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/serial/serial_mvebu_a3700.c b/drivers/serial/serial_mvebu_a3700.c
index 52dc3fdad7..6bca8e4b7e 100644
--- a/drivers/serial/serial_mvebu_a3700.c
+++ b/drivers/serial/serial_mvebu_a3700.c
@@ -305,6 +305,7 @@ U_BOOT_DRIVER(serial_mvebu) = {
#ifdef CONFIG_DEBUG_MVEBU_A3700_UART
#include <debug_uart.h>
+#include <mach/soc.h>
static inline void _debug_uart_init(void)
{
@@ -322,7 +323,8 @@ static inline void _debug_uart_init(void)
* Calculate divider
* baudrate = clock / 16 / divider
*/
- parent_rate = get_ref_clk() * 1000000;
+ parent_rate = (readl(MVEBU_REGISTER(0x13808)) & BIT(9)) ?
+ 40000000 : 25000000;
divider = DIV_ROUND_CLOSEST(parent_rate, CONFIG_BAUDRATE * 16);
writel(divider, base + UART_BAUD_REG);