MLK-23574-45 imx8qm: Add LPDDR4 and DDR4 validation boards support

Porting board codes, configurations and DTS for the LPDDR4 and DDR4
validation boards from imx_v2019.04

Supported modules
   - Flexspi, eMMC/SD, ENET0, UART, USB, legacy PCI driver,

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit d3caa8f4f73af21cebb02ab766ed34f181641abc)
(cherry picked from commit 187f037e2a3048f9c8e7bd1c45ca09f7ad700f41)
(cherry picked from commit 3a495778fb35e23f8bf6a330b998202527071fd6)

1 files changed, 66 insertions, 0 deletions

diff --git a/board/freescale/imx8qm_val/spl.c b/board/freescale/imx8qm_val/spl.c
new file mode 100644
index 00000000000..1d930304872
--- /dev/null
+++ b/board/freescale/imx8qm_val/spl.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2018 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <spl.h>
+#include <asm/global_data.h>
+#include <dm/uclass.h>
+#include <dm/device.h>
+#include <dm/uclass-internal.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <bootm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void spl_board_init(void)
+{
+	struct udevice *dev;
+
+	uclass_find_first_device(UCLASS_MISC, &dev);
+
+	for (; dev; uclass_find_next_device(&dev)) {
+		if (device_probe(dev))
+			continue;
+	}
+
+	board_early_init_f();
+
+	timer_init();
+
+	preloader_console_init();
+
+	puts("Normal Boot\n");
+}
+
+void spl_board_prepare_for_boot(void)
+{
+	board_quiesce_devices();
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	/* Just empty function now - can't decide what to choose */
+	debug("%s: %s\n", __func__, name);
+
+	return 0;
+}
+#endif
+
+void board_init_f(ulong dummy)
+{
+	/* Clear the BSS. */
+	memset(__bss_start, 0, __bss_end - __bss_start);
+
+	arch_cpu_init();
+
+	board_init_r(NULL, 0);
+}