From: Alexander Graf <agraf@suse.de>
Date: Mon, 23 Apr 2018 05:59:49 +0000 (+0200)
Subject: riscv: nx25: Enable distro boot
X-Git-Tag: v2018.07-rc1~28^2~16
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0979f7ce1eea73c80e6f858a803106660507d1e3;p=oweals%2Fu-boot.git

riscv: nx25: Enable distro boot

Distro boot allows for a common boot path on systems that allow distributions
to easily boot from a default configuration.

This patch enables distro boot for the nx25-ae250. Hopefully this can serve
as a good example for new boards, so they enable it as well.

Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/configs/nx25-ae250_defconfig b/configs/nx25-ae250_defconfig
index 42507755a6..0c9f19ad37 100644
--- a/configs/nx25-ae250_defconfig
+++ b/configs/nx25-ae250_defconfig
@@ -38,3 +38,4 @@ CONFIG_DM_SPI=y
 CONFIG_ATCSPI200_SPI=y
 CONFIG_TIMER=y
 CONFIG_ATCPIT100_TIMER=y
+CONFIG_DISTRO_DEFAULTS=y
diff --git a/include/configs/nx25-ae250.h b/include/configs/nx25-ae250.h
index 930cdbd4e4..a5948c4333 100644
--- a/include/configs/nx25-ae250.h
+++ b/include/configs/nx25-ae250.h
@@ -104,4 +104,21 @@
 /* Increase max gunzip size */
 #define CONFIG_SYS_BOOTM_LEN	(64 << 20)
 
+/* When we use RAM as ENV */
+#define CONFIG_ENV_SIZE 0x2000
+
+/* Enable distro boot */
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(DHCP, dhcp, na)
+#include <config_distro_bootcmd.h>
+
+#define CONFIG_EXTRA_ENV_SETTINGS	\
+				"kernel_addr_r=0x00080000\0" \
+				"pxefile_addr_r=0x01f00000\0" \
+				"scriptaddr=0x01f00000\0" \
+				"fdt_addr_r=0x02000000\0" \
+				"ramdisk_addr_r=0x02800000\0" \
+				BOOTENV
+
 #endif /* __CONFIG_H */