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>
diff --git a/board/freescale/imxrt1050-evk/MAINTAINERS b/board/freescale/imxrt1050-evk/MAINTAINERS
index a872855..890825b 100644
--- a/board/freescale/imxrt1050-evk/MAINTAINERS
+++ b/board/freescale/imxrt1050-evk/MAINTAINERS
@@ -4,3 +4,4 @@
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 0000000..829be6c
--- /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 f1f09fd..b30d852 100644
--- a/board/freescale/imxrt1050-evk/imximage.cfg
+++ b/board/freescale/imxrt1050-evk/imximage.cfg
@@ -29,7 +29,13 @@
* 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 4b82ee5..4cc3def 100644
--- a/board/freescale/imxrt1050-evk/imxrt1050-evk.c
+++ b/board/freescale/imxrt1050-evk/imxrt1050-evk.c
@@ -68,7 +68,12 @@
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