For CONFIG_DM_SERIAL it is required to increase CONFIG_SYS_MALLOC_F_LEN as
default value is not enough for memory hungry CONFIG_DM_SERIAL code.

Signed-off-by: Pali Rohár <pali@???>
---
Who has serial console on the real device, please test this patch if
serial console is still working. I do not have adapter for serial
console so I tested this patch only in qemu.
---
 board/nokia/rx51/rx51.c      | 12 ++++++++++++
 configs/nokia_rx51_defconfig |  5 ++---
 include/configs/nokia_rx51.h |  1 -
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/board/nokia/rx51/rx51.c b/board/nokia/rx51/rx51.c
index 621cff095619..460d248eaaeb 100644
--- a/board/nokia/rx51/rx51.c
+++ b/board/nokia/rx51/rx51.c
@@ -32,6 +32,7 @@
 #include <i2c.h>
 #include <video.h>
 #include <keyboard.h>
+#include <ns16550.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/setup.h>
@@ -788,3 +789,14 @@ U_BOOT_DRVINFOS(rx51_video) = {
 U_BOOT_DRVINFOS(rx51_kp) = {
     { "rx51_kp" },
 };
+
+static const struct ns16550_plat rx51_serial = {
+    .base = CONFIG_SYS_NS16550_COM3,
+    .reg_shift = 2,
+    .clock = CONFIG_SYS_NS16550_CLK,
+    .fcr = UART_FCR_DEFVAL,
+};
+
+U_BOOT_DRVINFOS(rx51_uart) = {
+    { "omap_serial", &rx51_serial },
+};
diff --git a/configs/nokia_rx51_defconfig b/configs/nokia_rx51_defconfig
index d5688c7a212b..68acf01e9aeb 100644
--- a/configs/nokia_rx51_defconfig
+++ b/configs/nokia_rx51_defconfig
@@ -11,12 +11,12 @@ CONFIG_STATIC_MACH_TYPE=y
 CONFIG_MACH_TYPE=1955
 CONFIG_SYS_TEXT_BASE=0x80008000
 CONFIG_SYS_MALLOC_LEN=0xc0000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_TARGET_NOKIA_RX51=y
 CONFIG_SYS_LOAD_ADDR=0x80000000
 CONFIG_OPTIMIZE_INLINING=y
 CONFIG_LTO=y
-# CONFIG_SYS_MALLOC_F is not set
 # CONFIG_FIT is not set
 CONFIG_BOOTDELAY=30
 CONFIG_AUTOBOOT_KEYED=y
@@ -70,8 +70,7 @@ CONFIG_DM_KEYBOARD=y
 # CONFIG_MMC_VERBOSE is not set
 CONFIG_MMC_OMAP_HS=y
 CONFIG_MTD=y
-CONFIG_CONS_INDEX=3
-CONFIG_SYS_NS16550=y
+CONFIG_DM_SERIAL=y
 CONFIG_SPI=y
 CONFIG_USB=y
 CONFIG_USB_MUSB_UDC=y
diff --git a/include/configs/nokia_rx51.h b/include/configs/nokia_rx51.h
index e837b12b568f..f273e243e55d 100644
--- a/include/configs/nokia_rx51.h
+++ b/include/configs/nokia_rx51.h
@@ -43,7 +43,6 @@
 #define V_NS16550_CLK        48000000        /* 48MHz (APLL96/2) */

 #define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE    (-4)
 #define CONFIG_SYS_NS16550_CLK        V_NS16550_CLK

/*
--
2.20.1