add console and mem env to boot to linux kernel

Signed-off-by: Jim Liu <jjl...@nuvoton.com>
---
 board/nuvoton/poleg_evb/poleg_evb.c | 7 +++++++
 include/configs/poleg.h             | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/board/nuvoton/poleg_evb/poleg_evb.c 
b/board/nuvoton/poleg_evb/poleg_evb.c
index aef142a881..2052af6649 100644
--- a/board/nuvoton/poleg_evb/poleg_evb.c
+++ b/board/nuvoton/poleg_evb/poleg_evb.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <env.h>
 #include <asm/io.h>
 #include <asm/arch/gcr.h>
 #include <asm/mach-types.h>
@@ -19,6 +20,7 @@ int board_init(void)
 
 int dram_init(void)
 {
+       char value[32];
        struct npcm_gcr *gcr = (struct npcm_gcr *)NPCM_GCR_BA;
 
        int ramsize = (readl(&gcr->intcr3) >> 8) & 0x7;
@@ -44,5 +46,10 @@ int dram_init(void)
        break;
        }
 
+       if (gd->ram_size > 0) {
+                sprintf(value, "%ldM", (gd->ram_size / 0x100000));
+                env_set("mem", value);
+        }
+
        return 0;
 }
diff --git a/include/configs/poleg.h b/include/configs/poleg.h
index c3f1d3393c..1e96e838be 100644
--- a/include/configs/poleg.h
+++ b/include/configs/poleg.h
@@ -27,6 +27,8 @@
                "eth1addr=00:00:F7:A0:00:FD\0"   \
                "eth2addr=00:00:F7:A0:00:FE\0"    \
                "eth3addr=00:00:F7:A0:00:FF\0"    \
+               "console=ttyS0,115200n8\0" \
+               "earlycon=uart8250,mmio32,0xf0000000\0" \
                "common_bootargs=setenv bootargs earlycon=${earlycon} 
root=/dev/ram "   \
                "console=${console} mem=${mem} ramdisk_size=48000 
basemac=${ethaddr}\0"    \
                "sd_prog=fatload mmc 0 10000000 image-bmc; cp.b 10000000 
80000000 ${filesize}\0"  \
-- 
2.17.1

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