[PATCH v3 5/5] common: spl: Add spl NVMe boot support
Mayuresh Chitale
mchitale at ventanamicro.com
Thu May 4 11:53:27 CEST 2023
Add support to load the next stage image from an NVMe disk which may
be formatted as an EXT or FAT filesystem.
Signed-off-by: Mayuresh Chitale <mchitale at ventanamicro.com>
---
arch/riscv/include/asm/spl.h | 1 +
common/spl/Kconfig | 10 ++++++++++
common/spl/Makefile | 1 +
common/spl/spl_nvme.c | 34 ++++++++++++++++++++++++++++++++++
4 files changed, 46 insertions(+)
create mode 100644 common/spl/spl_nvme.c
diff --git a/arch/riscv/include/asm/spl.h b/arch/riscv/include/asm/spl.h
index 2898a770ee..9c0bf9755c 100644
--- a/arch/riscv/include/asm/spl.h
+++ b/arch/riscv/include/asm/spl.h
@@ -20,6 +20,7 @@ enum {
BOOT_DEVICE_SPI,
BOOT_DEVICE_USB,
BOOT_DEVICE_SATA,
+ BOOT_DEVICE_NVME,
BOOT_DEVICE_I2C,
BOOT_DEVICE_BOARD,
BOOT_DEVICE_DFU,
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 515e8f2c66..6e41ac4e56 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -1284,6 +1284,16 @@ config SPL_NVME_BOOT_DEVICE
depends on SPL_NVME
default 0x0
+config SYS_NVME_EXT_BOOT_PARTITION
+ hex "NVMe ext boot partition number"
+ depends on SPL_NVME
+ default 0x2
+
+config SYS_NVME_FAT_BOOT_PARTITION
+ hex "NVMe boot partition number"
+ depends on SPL_NVME
+ default 0x1
+
config SPL_SERIAL
bool "Support serial"
select SPL_PRINTF
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 5210ad0248..bad2bbf6cf 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_$(SPL_TPL_)USB_STORAGE) += spl_usb.o
obj-$(CONFIG_$(SPL_TPL_)FS_FAT) += spl_fat.o
obj-$(CONFIG_$(SPL_TPL_)FS_EXT4) += spl_ext.o
obj-$(CONFIG_$(SPL_TPL_)SATA) += spl_sata.o
+obj-$(CONFIG_$(SPL_TPL_)NVME) += spl_nvme.o
obj-$(CONFIG_$(SPL_TPL_)SEMIHOSTING) += spl_semihosting.o
obj-$(CONFIG_$(SPL_TPL_)DFU) += spl_dfu.o
obj-$(CONFIG_$(SPL_TPL_)SPI_LOAD) += spl_spi.o
diff --git a/common/spl/spl_nvme.c b/common/spl/spl_nvme.c
new file mode 100644
index 0000000000..82b2bf3493
--- /dev/null
+++ b/common/spl/spl_nvme.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023
+ * Ventana Micro Systems Inc.
+ *
+ * Derived work from spl_sata.c
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <errno.h>
+#include <fat.h>
+#include <init.h>
+#include <nvme.h>
+
+static int spl_nvme_load_image(struct spl_image_info *spl_image,
+ struct spl_boot_device *bootdev)
+{
+ int ret;
+
+ ret = pci_init();
+ if (ret < 0)
+ return ret;
+
+ ret = nvme_scan_namespace();
+ if (ret < 0)
+ return ret;
+
+ ret = spl_blk_load_image(spl_image, bootdev, UCLASS_NVME,
+ CONFIG_SPL_NVME_BOOT_DEVICE);
+ return ret;
+}
+
+SPL_LOAD_IMAGE_METHOD("NVME", 0, BOOT_DEVICE_NVME, spl_nvme_load_image);
--
2.34.1
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