sun7i: Add support for Olimex A20-OLinuXino-LIME2

This adds support for the Olimex A20-OLinuXino-Lime2
https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2



Differences to previous Lime boards are 1GB RAM and gigabit ethernet
Signed-off-by: Iain Paton <ipaton0@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

board/sunxi/MAINTAINERS

@@ -38,3 +38,9 @@ M:	FUKAUMI Naoki <naobsd@gmail.com>
 S:	Maintained
 F:	board/sunxi/dram_a20_olinuxino_l.c
 F:	configs/A20-OLinuXino-Lime_defconfig
+
+A20-OLINUXINO-LIME2 BOARD
+M:	Iain Paton <ipaton0@gmail.com>
+S:	Maintained
+F:	board/sunxi/dram_a20_olinuxino_l2.c
+F:	configs/A20-OLinuXino-Lime2_defconfig

board/sunxi/Makefile

@@ -16,6 +16,7 @@ obj-$(CONFIG_A10S_OLINUXINO_M)	+= dram_a10s_olinuxino_m.o
 obj-$(CONFIG_A13_OLINUXINO)	+= dram_a13_olinuxino.o
 obj-$(CONFIG_A13_OLINUXINOM)	+= dram_a13_oli_micro.o
 obj-$(CONFIG_A20_OLINUXINO_L)	+= dram_a20_olinuxino_l.o
+obj-$(CONFIG_A20_OLINUXINO_L2)	+= dram_a20_olinuxino_l2.o
 obj-$(CONFIG_A20_OLINUXINO_M)	+= dram_sun7i_384_1024_iow16.o
 # This is not a typo, uses the same mem settings as the a10s-olinuxino-m
 obj-$(CONFIG_AUXTEK_T004)	+= dram_a10s_olinuxino_m.o

board/sunxi/dram_a20_olinuxino_l2.c

+/* this file is generated, don't edit it yourself */
+
+#include <common.h>
+#include <asm/arch/dram.h>
+
+static struct dram_para dram_para = {
+	.clock = 480,
+	.type = 3,
+	.rank_num = 1,
+	.density = 4096,
+	.io_width = 16,
+	.bus_width = 32,
+	.cas = 9,
+	.zq = 0x7f,
+	.odt_en = 0,
+	.size = 1024,
+	.tpr0 = 0x42d899b7,
+	.tpr1 = 0xa090,
+	.tpr2 = 0x22a00,
+	.tpr3 = 0,
+	.tpr4 = 0,
+	.tpr5 = 0,
+	.emr1 = 0x4,
+	.emr2 = 0x10,
+	.emr3 = 0,
+};
+
+unsigned long sunxi_dram_init(void)
+{
+	return dramc_init(&dram_para);
+}

configs/A20-OLinuXino-Lime2_defconfig

+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="A20_OLINUXINO_L2,AXP209_POWER,SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPC(3),USB_EHCI"
+CONFIG_FDTFILE="sun7i-a20-olinuxino-lime2.dtb"
++S:CONFIG_ARM=y
++S:CONFIG_TARGET_SUN7I=y