From: Minkyu Kang <mk7.kang@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] TRATS: set gpio of UART correctly
Date: Thu, 26 Jan 2012 20:21:42 +0900 [thread overview]
Message-ID: <4F213746.1070906@samsung.com> (raw)
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
Cc: Chander Kashyap <chander.kashyap@linaro.org>
---
board/samsung/trats/trats.c | 18 +++++++-----------
1 files changed, 7 insertions(+), 11 deletions(-)
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index f795ff0..aa4291d 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -336,21 +336,17 @@ static void board_uart_init(void)
(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
int i;
- /* UART0-UART1 GPIOs (part1) : 0x22222222 */
- for (i = 0; i < 7; i++) {
- s5p_gpio_set_pull(&gpio1->a0, i, GPIO_PULL_NONE);
- s5p_gpio_cfg_pin(&gpio1->a0, i, GPIO_FUNC(0x2));
- }
-
/*
- * UART2-UART3 GPIOs (part2) : 0x00223322
- * GPA1CON[3] = I2C_3_SCL (3)
+ * UART2 GPIOs
+ * GPA1CON[0] = UART_2_RXD(2)
+ * GPA1CON[1] = UART_2_TXD(2)
* GPA1CON[2] = I2C_3_SDA (3)
+ * GPA1CON[3] = I2C_3_SCL (3)
*/
- for (i = 0; i < 5; i++) {
+
+ for (i = 0; i < 4; i++) {
s5p_gpio_set_pull(&gpio1->a1, i, GPIO_PULL_NONE);
- s5p_gpio_cfg_pin(&gpio1->a1, i,
- GPIO_FUNC((i == 2 || i == 3) ? 0x3 : 0x2));
+ s5p_gpio_cfg_pin(&gpio1->a1, i, GPIO_FUNC((i > 1) ? 0x3 : 0x2));
}
/* UART_SEL GPY4[7] (part2) at EXYNOS4 */
--
1.7.5.4
next reply other threads:[~2012-01-26 11:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-26 11:21 Minkyu Kang [this message]
2012-02-06 6:06 ` [U-Boot] [PATCH] TRATS: set gpio of UART correctly Minkyu Kang
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