colibri_pxa270: transition to driver model for serial

Add serial platform data to board file.
Enable driver model for PXA serial driver.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

board/toradex/colibri_pxa270/colibri_pxa270.c

@@ -8,10 +8,13 @@
 
 #include <common.h>
 #include <asm/arch/hardware.h>
-#include <asm/arch/regs-mmc.h>
 #include <asm/arch/pxa.h>
-#include <netdev.h>
+#include <asm/arch/regs-mmc.h>
+#include <asm/arch/regs-uart.h>
 #include <asm/io.h>
+#include <dm/platdata.h>
+#include <dm/platform_data/serial_pxa.h>
+#include <netdev.h>
 #include <serial.h>
 #include <usb.h>
 
@@ -105,3 +108,14 @@ int board_mmc_init(bd_t *bis)
 	return 0;
 }
 #endif
+
+static const struct pxa_serial_platdata serial_platdata = {
+	.base = (struct pxa_uart_regs *)FFUART_BASE,
+	.port = FFUART_INDEX,
+	.baudrate = CONFIG_BAUDRATE,
+};
+
+U_BOOT_DEVICE(pxa_serials) = {
+	.name = "serial_pxa",
+	.platdata = &serial_platdata,
+};

configs/colibri_pxa270_defconfig

@@ -16,6 +16,8 @@ CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_DM=y
+CONFIG_DM_SERIAL=y
 CONFIG_PXA_SERIAL=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y

include/configs/colibri_pxa270.h

@@ -43,8 +43,6 @@
 /*
  * Serial Console Configuration
  */
-#define	CONFIG_FFUART			1
-#define CONFIG_CONS_INDEX		3
 #define	CONFIG_BAUDRATE			115200
 
 /*