imx: imxrt1050-evk: Add support for SPI flash booting

Add support for booting the imxrt1050-evk from spi.
Add imximage config and the ability for SPL to boot from NOR.
Enable binman in Kconfig and device tree for imxrt* as it is used to
prepend fspi_header.bin to SPL and u-boot.img.

Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>

4 files changed, 56 insertions, 3 deletions

diff --git a/board/freescale/imxrt1050-evk/MAINTAINERS b/board/freescale/imxrt1050-evk/MAINTAINERS
index a8728554525..890825b39ae 100644
--- a/board/freescale/imxrt1050-evk/MAINTAINERS
+++ b/board/freescale/imxrt1050-evk/MAINTAINERS
@@ -4,3 +4,4 @@ S:	Maintained
 F:	board/freescale/imxrt1050-evk
 F:	include/configs/imxrt1050-evk.h
 F:	configs/imxrt1050-evk_defconfig
+F:	configs/imxrt1050-evk_fspi_defconfig
diff --git a/board/freescale/imxrt1050-evk/imximage-nor.cfg b/board/freescale/imxrt1050-evk/imximage-nor.cfg
new file mode 100644
index 00000000000..829be6cbe2b
--- /dev/null
+++ b/board/freescale/imxrt1050-evk/imximage-nor.cfg
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2024
+ * Author(s): Jesse Taube <Mr.Bossman075@gmail.com>
+ */
+
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi/sd/nand/onenand, qspi/nor
+ */
+
+BOOT_FROM	nor
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+/*
+ * 0x400AC044 is used to configure the flexram.
+ * Unfortunately setting all to OCRAM only works for MMC
+ * and setting all to DTCM only works for FLEXSPI NOR.
+ * This configuration fortunately works for both SPI and MMC.
+*/
+/* Set first two banks FlexRAM as OCRAM(01b) and the rest to DTCM(10b) */
+DATA 4 0x400AC044 0x55aaaaaa
+/* Use FLEXRAM_BANK_CFG to config FlexRAM */
+SET_BIT 4 0x400AC040 0x4
diff --git a/board/freescale/imxrt1050-evk/imximage.cfg b/board/freescale/imxrt1050-evk/imximage.cfg
index f1f09fd7ebb..b30d8521947 100644
--- a/board/freescale/imxrt1050-evk/imximage.cfg
+++ b/board/freescale/imxrt1050-evk/imximage.cfg
@@ -29,7 +29,13 @@ BOOT_FROM	sd
  *	value	  value to be stored in the register
  */
 
-/* Set all FlexRAM as OCRAM(01b) */
-DATA 4 0x400AC044 0x55555555
+/*
+ * 0x400AC044 is used to configure the flexram.
+ * Unfortunately setting all to OCRAM only works for MMC
+ * and setting all to DTCM only works for FLEXSPI NOR.
+ * This configuration fortunately works for both SPI and MMC.
+*/
+/* Set first two banks FlexRAM as OCRAM(01b) and the rest to DTCM(10b) */
+DATA 4 0x400AC044 0x55aaaaaa
 /* Use FLEXRAM_BANK_CFG to config FlexRAM */
 SET_BIT 4 0x400AC040 0x4
diff --git a/board/freescale/imxrt1050-evk/imxrt1050-evk.c b/board/freescale/imxrt1050-evk/imxrt1050-evk.c
index 4b82ee5e9ce..4cc3defc882 100644
--- a/board/freescale/imxrt1050-evk/imxrt1050-evk.c
+++ b/board/freescale/imxrt1050-evk/imxrt1050-evk.c
@@ -68,7 +68,12 @@ void spl_board_init(void)
 
 u32 spl_boot_device(void)
 {
-	return BOOT_DEVICE_MMC1;
+	/* There is no way to find the boot device so look if there is a valid IVT in RAM for MMC */
+	u32 nor_ivt = *(u32 *)(CONFIG_SYS_LOAD_ADDR - 0xC00);
+
+	if (nor_ivt == 0x402000d1)
+		return BOOT_DEVICE_MMC1;
+	return BOOT_DEVICE_NOR;
 }
 #endif