From 7d4327e9938f6c3f3d016bbf0a89296a0536053c Mon Sep 17 00:00:00 2001
From: mntmn <lukas@mntmn.com>
Date: Sun, 31 May 2020 01:42:52 +0200
Subject: [PATCH] WIP: MNT Reform: hack to set default env vars to boot from
mmc
---
board/boundary/nitrogen8m_som/nitrogen8m_som.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/board/boundary/nitrogen8m_som/nitrogen8m_som.c b/board/boundary/nitrogen8m_som/nitrogen8m_som.c
index 168c6146b37..f076271e75c 100644
--- a/board/boundary/nitrogen8m_som/nitrogen8m_som.c
+++ b/board/boundary/nitrogen8m_som/nitrogen8m_som.c
@@ -258,6 +258,7 @@ int board_usb_cleanup(int index, enum usb_init_type init)
int board_detect_hdmi(struct display_info_t const *di)
{
+ printf("board_detect_hdmi()");
return hdmi_hpd_status() ? 1 : 0;
}
@@ -277,6 +278,8 @@ int board_init(void)
return 0;
}
+// FIXME Reform: ideally we would save the env on the SD card, not the eMMC
+// but setting this to 1 crashes u-boot
int board_mmc_get_env_dev(int devno)
{
return 0;
@@ -320,13 +323,16 @@ void init_usb_clk(int usbno);
static void set_env_vars(void)
{
-#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
- if (!env_get("board"))
- env_set("board", "nitrogen8m_som");
+ printf("set_env_vars()");
+ env_set("board", "MNT Reform 2.0"); // "nitrogen8m_som");
env_set("soc", "imx8mq");
env_set("imx_cpu", get_imx_type((get_cpu_rev() & 0xFF000) >> 12));
env_set("uboot_defconfig", CONFIG_DEFCONFIG);
-#endif
+
+ // MNT Reform 2
+ env_set("fdt_addr", "0x50000000");
+ env_set("bootargs", "noinitrd root=/dev/mmcblk1p1 rootwait rw console=ttymxc0,115200 cma=512M no_console_suspend pci=nomsi");
+ env_set("bootcmd", "ext4load mmc 1 ${loadaddr} /Image; ext4load mmc 1 ${fdt_addr} /imx8mq-mnt-reform2.dtb; booti ${loadaddr} - ${fdt_addr}");
}
void board_set_default_env(void)
--
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