1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/boards/advantech-mx6/lowlevel.c b/arch/arm/boards/advantech-mx6/lowlevel.c
new file mode 100644
index 0000000000..8921cd4dd8
--- /dev/null
+++ b/arch/arm/boards/advantech-mx6/lowlevel.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2018 Christoph Fritz <chf.fritz@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <debug_ll.h>
+#include <common.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+#include <image-metadata.h>
+#include <mach/generic.h>
+#include <mach/esdctl.h>
+#include <mach/iomux-mx6.h>
+#include <linux/sizes.h>
+
+#include <linux/sizes.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+static inline void setup_uart(void)
+{
+	void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
+
+	imx6_ungate_all_peripherals();
+
+	imx_setup_pad(iomuxbase, MX6Q_PAD_CSI0_DAT10__UART1_TXD);
+
+	imx6_uart_setup_ll();
+
+	putc_ll('>');
+}
+
+extern char __dtb_imx6dl_advantech_rom_7421_start[];
+
+ENTRY_FUNCTION(start_advantech_imx6dl_rom_7421, r0, r1, r2)
+{
+	imx6_cpu_lowlevel_init();
+
+	relocate_to_current_adr();
+	setup_c();
+	barrier();
+
+	if (IS_ENABLED(CONFIG_DEBUG_LL))
+		setup_uart();
+
+	imx6q_barebox_entry(__dtb_imx6dl_advantech_rom_7421_start);
+}