[coreboot-gerrit] New patch to review for coreboot: 7aebc64 samsung/exynos5: Fix baudrate calculation

Kyösti Mälkki (kyosti.malkki@gmail.com) gerrit at coreboot.org
Mon Feb 24 10:03:54 CET 2014


Kyösti Mälkki (kyosti.malkki at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5288

-gerrit

commit 7aebc641345b93353e4f89fcccd5b0a0b4cdcfec
Author: Kyösti Mälkki <kyosti.malkki at gmail.com>
Date:   Wed Feb 19 08:58:12 2014 +0200

    samsung/exynos5: Fix baudrate calculation
    
    Account for possible use of get_option() when baudrate is no longer
    compile-time constant.
    
    Change-Id: Ib45acd98e55c5892dbce9903830665aefeda5be0
    Signed-off-by: Kyösti Mälkki <kyosti.malkki at gmail.com>
---
 src/cpu/samsung/exynos5250/uart.c | 3 +--
 src/cpu/samsung/exynos5420/uart.c | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/cpu/samsung/exynos5250/uart.c b/src/cpu/samsung/exynos5250/uart.c
index dbf7202..10108a8 100644
--- a/src/cpu/samsung/exynos5250/uart.c
+++ b/src/cpu/samsung/exynos5250/uart.c
@@ -63,12 +63,11 @@ static void serial_setbrg_dev(void)
 {
 	struct s5p_uart *uart = (struct s5p_uart *)base_port;
 	u32 uclk;
-	u32 baudrate = CONFIG_TTYS0_BAUD;
 	u32 val;
 
 	// All UARTs share the same clock.
 	uclk = clock_get_periph_rate(PERIPH_ID_UART3);
-	val = uclk / baudrate;
+	val = uclk / default_baudrate();
 
 	writel(val / 16 - 1, &uart->ubrdiv);
 
diff --git a/src/cpu/samsung/exynos5420/uart.c b/src/cpu/samsung/exynos5420/uart.c
index c5c8a8c..2ca8271 100644
--- a/src/cpu/samsung/exynos5420/uart.c
+++ b/src/cpu/samsung/exynos5420/uart.c
@@ -63,12 +63,11 @@ static void serial_setbrg_dev(void)
 {
 	struct s5p_uart *uart = (struct s5p_uart *)base_port;
 	u32 uclk;
-	u32 baudrate = CONFIG_TTYS0_BAUD;
 	u32 val;
 
 	// All UARTs share the same clock.
 	uclk = clock_get_periph_rate(PERIPH_ID_UART3);
-	val = uclk / baudrate;
+	val = uclk / default_baudrate();
 
 	writel(val / 16 - 1, &uart->ubrdiv);
 



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