[PATCH 09/11] board: stm32mp1: support boot from spi-nand

[Patrick Delaunay]

Manage BOOT_FLASH_SPINAND, with boot_device="spi-nand"
and treat this value in bootcmd_stm32mp.

Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---

 arch/arm/mach-stm32mp/cpu.c                | 4 ++++
 arch/arm/mach-stm32mp/include/mach/stm32.h | 3 +++
 arch/arm/mach-stm32mp/spl.c                | 2 ++
 board/st/stm32mp1/stm32mp1.c               | 2 ++
 include/configs/stm32mp1.h                 | 5 +++--
 5 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
index 9aa5794334..e14e3e47f2 100644
--- a/arch/arm/mach-stm32mp/cpu.c
+++ b/arch/arm/mach-stm32mp/cpu.c
@@ -435,6 +435,10 @@ static void setup_boot_mode(void)
 		env_set("boot_device", "nand");
 		env_set("boot_instance", "0");
 		break;
+	case BOOT_FLASH_SPINAND:
+		env_set("boot_device", "spi-nand");
+		env_set("boot_instance", "0");
+		break;
 	case BOOT_FLASH_NOR:
 		env_set("boot_device", "nor");
 		env_set("boot_instance", "0");
diff --git a/arch/arm/mach-stm32mp/include/mach/stm32.h b/arch/arm/mach-stm32mp/include/mach/stm32.h
index 6daf9f7121..a9bd5bdc1b 100644
--- a/arch/arm/mach-stm32mp/include/mach/stm32.h
+++ b/arch/arm/mach-stm32mp/include/mach/stm32.h
@@ -79,6 +79,9 @@ enum boot_device {
 
 	BOOT_SERIAL_USB = 0x60,
 	BOOT_SERIAL_USB_OTG = 0x62,
+
+	BOOT_FLASH_SPINAND = 0x70,
+	BOOT_FLASH_SPINAND_1 = 0x71,
 };
 
 /* TAMP registers */
diff --git a/arch/arm/mach-stm32mp/spl.c b/arch/arm/mach-stm32mp/spl.c
index ca4231cd0d..9cd7b418a4 100644
--- a/arch/arm/mach-stm32mp/spl.c
+++ b/arch/arm/mach-stm32mp/spl.c
@@ -39,6 +39,8 @@ u32 spl_boot_device(void)
 		return BOOT_DEVICE_NAND;
 	case BOOT_FLASH_NOR_QSPI:
 		return BOOT_DEVICE_SPI;
+	case BOOT_FLASH_SPINAND_1:
+		return BOOT_DEVICE_NONE; /* SPINAND not supported in SPL */
 	}
 
 	return BOOT_DEVICE_MMC1;
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 14c56a0f24..423be23555 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -789,6 +789,7 @@ enum env_location env_get_location(enum env_operation op, int prio)
 #endif
 #ifdef CONFIG_ENV_IS_IN_UBI
 	case BOOT_FLASH_NAND:
+	case BOOT_FLASH_SPINAND:
 		return ENVL_UBI;
 #endif
 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
@@ -829,6 +830,7 @@ int ft_board_setup(void *blob, bd_t *bd)
 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 	struct node_info nodes[] = {
 		{ "st,stm32f469-qspi",		MTD_DEV_TYPE_NOR,  },
+		{ "st,stm32f469-qspi",		MTD_DEV_TYPE_SPINAND},
 		{ "st,stm32mp15-fmc2",		MTD_DEV_TYPE_NAND, },
 	};
 	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h
index c5b09f1a2a..c34a720e0c 100644
--- a/include/configs/stm32mp1.h
+++ b/include/configs/stm32mp1.h
@@ -127,7 +127,7 @@
  * bootcmd for stm32mp1:
  * for serial/usb: execute the stm32prog command
  * for mmc boot (eMMC, SD card), boot only on the same device
- * for nand boot, boot with on ubifs partition on nand
+ * for nand or spi-nand boot, boot with on ubifs partition on UBI partition
  * for nor boot, use the default order
  */
 #define STM32MP_BOOTCMD "bootcmd_stm32mp=" \
@@ -138,7 +138,8 @@
 		"run env_check;" \
 		"if test ${boot_device} = mmc;" \
 		"then env set boot_targets \"mmc${boot_instance}\"; fi;" \
-		"if test ${boot_device} = nand;" \
+		"if test ${boot_device} = nand ||" \
+		  " test ${boot_device} = spi-nand ;" \
 		"then env set boot_targets ubifs0; fi;" \
 		"run distro_bootcmd;" \
 	"fi;\0"
-- 
2.17.1