bsh: imx8mn-smm-s2/pro: Add iMX8MN BSH SMM S2 boards

Introduce BSH SystemMaster (SMM) S2 board family, which consists of:
iMX8MN SMM S2 and iMX8MN SMM S2 PRO boards.

Add support for iMX8MN BSH SMM S2 board:

- 256 MiB DDR3 RAM
- 512MiB Nand
- USBOTG1 peripheral - fastboot.
- 100Mbit Ethernet

Add support for iMX8MN BSH SMM S2 PRO board:

- 512 MiB DDR3 RAM
- 8 GiB eMMC
- USBOTG1 peripheral - fastboot.
- 100Mbit Ethernet

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c b/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c
new file mode 100644
index 0000000000..0ebf208be8
--- /dev/null
+++ b/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Collabora Ltd.
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <env.h>
+
+int board_init(void)
+{
+	return 0;
+}
+
+int board_late_init(void)
+{
+	if (is_usb_boot()) {
+		env_set("bootcmd", "run bootcmd_mfg");
+		env_set("bootdelay", "0");
+	}
+
+	return 0;
+}