ARMv8: enable DM in vexpress64 board

Signed-off-by: David Feng <fenghua@phytium.com.cn>

board/armltd/vexpress64/vexpress64.c

@@ -12,9 +12,22 @@
 #include <asm/io.h>
 #include <linux/compiler.h>
 #include <asm/semihosting.h>
+#include <dm/platdata.h>
+#include <dm/platform_data/serial_pl01x.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static const struct pl01x_serial_platdata serial_platdata = {
+	.base = V2M_UART0,
+	.type = TYPE_PL011,
+	.clock = 2400 * 1000,
+};
+
+U_BOOT_DEVICE(vexpress_serials) = {
+	.name = "serial_pl01x",
+	.platdata = &serial_platdata,
+};
+
 int board_init(void)
 {
 	return 0;

include/configs/vexpress_aemv8a.h

@@ -8,6 +8,8 @@
 #ifndef __VEXPRESS_AEMV8A_H
 #define __VEXPRESS_AEMV8A_H
 
+#define CONFIG_DM
+
 /* We use generic board for v8 Versatile Express */
 #define CONFIG_SYS_GENERIC_BOARD
 
@@ -127,6 +129,7 @@
 #define CONFIG_SYS_MEMTEST_END		(V2M_BASE + 0x80000000)
 
 /* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_F_LEN		0x2000
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (8 << 20))
 
 /* Ethernet Configuration */
@@ -142,6 +145,14 @@
 #endif
 
 /* PL011 Serial Configuration */
+#define CONFIG_BAUDRATE			115200
+#ifdef CONFIG_DM
+#define CONFIG_DM_SERIAL
+#define CONFIG_PL01X_SERIAL
+#else
+#define CONFIG_SYS_SERIAL0		V2M_UART0
+#define CONFIG_SYS_SERIAL1		V2M_UART1
+#define CONFIG_CONS_INDEX		0
 #define CONFIG_PL011_SERIAL
 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
 #define CONFIG_PL011_CLOCK		7273800
@@ -150,7 +161,7 @@
 #endif
 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
 					 (void *)CONFIG_SYS_SERIAL1}
-#define CONFIG_CONS_INDEX		0
+#endif
 
 #define CONFIG_BAUDRATE			115200
 #define CONFIG_SYS_SERIAL0		V2M_UART0