From ab3b7770b6a39741bdad2b24a58b69b868863780 Mon Sep 17 00:00:00 2001
From: Ladislav Michl <ladis@linux-mips.org>
Date: Sun, 25 Jun 2017 10:30:47 +0200
Subject: [PATCH] igep003x: Falcon mode

Implement spl_start_uboot to let Falcon mode work.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Acked-by: Heiko Schocher <hs@denx.de>
---
 board/isee/igep003x/board.c       | 8 ++++++++
 configs/am335x_igep003x_defconfig | 1 +
 2 files changed, 9 insertions(+)

diff --git a/board/isee/igep003x/board.c b/board/isee/igep003x/board.c
index 2d0ebbf5ef..e33170d65f 100644
--- a/board/isee/igep003x/board.c
+++ b/board/isee/igep003x/board.c
@@ -166,6 +166,14 @@ void sdram_init(void)
 		config_ddr(400, &ioregs_igep0034_lite, &ddr3_igep0034_lite_data,
 			&ddr3_igep0034_lite_cmd_ctrl_data, &ddr3_igep0034_lite_emif_reg_data, 0);
 }
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+	/* break into full u-boot on 'c' */
+	return serial_tstc() && serial_getc() == 'c';
+}
+#endif
 #endif
 
 /*
diff --git a/configs/am335x_igep003x_defconfig b/configs/am335x_igep003x_defconfig
index df7d1c69af..8fc31461f1 100644
--- a/configs/am335x_igep003x_defconfig
+++ b/configs/am335x_igep003x_defconfig
@@ -22,6 +22,7 @@ CONFIG_SPL_STACK_R=y
 CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_MTD_SUPPORT=y
+CONFIG_SPL_OS_BOOT=y
 CONFIG_SPL_POWER_SUPPORT=y
 CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_HUSH_PARSER=y
-- 
2.39.5