[U-Boot, 10/13] board: ge: bx50v3: use DM for uart

[Ian Ray]

From: Robert Beckett <bob.beckett at collabora.com>

Remove legacy uart pad and iomux code
Enable DM serial and mxc uart

Signed-off-by: Robert Beckett <bob.beckett at collabora.com>
---
 board/ge/bx50v3/bx50v3.c    | 24 ------------------------
 configs/ge_bx50v3_defconfig |  3 +++
 include/configs/ge_bx50v3.h | 10 ++--------
 3 files changed, 5 insertions(+), 32 deletions(-)

diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index a29fc42..69cd0a1 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -48,10 +48,6 @@ static struct vpd_cache vpd;
 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |	\
 	PAD_CTL_HYS)
 
-#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
-	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
-	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
-
 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |	\
 	PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
 
@@ -74,24 +70,6 @@ int dram_init(void)
 	return 0;
 }
 
-static iomux_v3_cfg_t const uart3_pads[] = {
-	MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
-	MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
-	MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
-	MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
-static iomux_v3_cfg_t const uart4_pads[] = {
-	MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
-	MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
-static void setup_iomux_uart(void)
-{
-	imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
-	imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
-}
-
 static int mx6_rgmii_rework(struct phy_device *phydev)
 {
 	/* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
@@ -425,8 +403,6 @@ int board_early_init_f(void)
 	imx_iomux_v3_setup_multiple_pads(misc_pads,
 					 ARRAY_SIZE(misc_pads));
 
-	setup_iomux_uart();
-
 #if defined(CONFIG_VIDEO_IPUV3)
 	/* Set LDB clock to Video PLL */
 	select_ldb_di_clock_source(MXC_PLL5_CLK);
diff --git a/configs/ge_bx50v3_defconfig b/configs/ge_bx50v3_defconfig
index 6e77499..b7ac818 100644
--- a/configs/ge_bx50v3_defconfig
+++ b/configs/ge_bx50v3_defconfig
@@ -83,6 +83,9 @@ CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_DA9063=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_RX8010SJ=y
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
+CONFIG_DM_SERIAL=y
+CONFIG_MXC_UART=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_MXC_SPI=y
diff --git a/include/configs/ge_bx50v3.h b/include/configs/ge_bx50v3.h
index 46a3c38..98ef71d 100644
--- a/include/configs/ge_bx50v3.h
+++ b/include/configs/ge_bx50v3.h
@@ -16,9 +16,6 @@
 
 #define CONFIG_BOARD_NAME	"General Electric Bx50v3"
 
-#define CONFIG_MXC_UART_BASE	UART3_BASE
-#define CONSOLE_DEV	"ttymxc2"
-
 #include "mx6_common.h"
 #include <linux/sizes.h>
 
@@ -28,8 +25,6 @@
 #define CONFIG_REVISION_TAG
 #define CONFIG_SYS_MALLOC_LEN		(10 * SZ_1M)
 
-#define CONFIG_MXC_UART
-
 /* SATA Configs */
 #ifdef CONFIG_CMD_SATA
 #define CONFIG_SYS_SATA_MAX_DEVICE	1
@@ -64,7 +59,7 @@
                 "setenv netmask 255.255.255.0; setenv ethaddr ca:fe:de:ca:f0:11; " \
                 "setenv bootargs root=/dev/nfs nfsroot=${nfsserver}:/srv/nfs/,v3,tcp rw rootwait" \
                 "setenv bootargs $bootargs ip=${ipaddr}:${nfsserver}:${gatewayip}:${netmask}::eth0:off " \
-                "setenv bootargs $bootargs cma=128M bootcause=POR console=${console} ${videoargs} " \
+                "setenv bootargs $bootargs cma=128M bootcause=POR ${videoargs} " \
                 "setenv bootargs $bootargs systemd.mask=helix-network-defaults.service " \
                 "setenv bootargs $bootargs watchdog.handle_boot_enabled=1\0" \
         "networkboot=" \
@@ -89,11 +84,10 @@
 	"devnum=2\0" \
 	"rootdev=mmcblk0p\0" \
 	"quiet=quiet loglevel=0\0" \
-	"console=" CONSOLE_DEV "\0" \
 	"setargs=setenv bootargs root=/dev/${rootdev}${partnum} " \
 		"ro rootwait cma=128M " \
 		"bootcause=${bootcause} " \
-		"${quiet} console=${console} " \
+		"${quiet} " \
 		"${videoargs}" "\0" \
 	"doquiet=" \
 		"if ext2load ${dev} ${devnum}:5 0x7000A000 /boot/console; " \
-- 
2.10.1