[RFC PATCH v1 0/3] SPL NVMe support

This patchset adds support to load images of the SPL's next booting stage from a NVMe device.
Mayuresh Chitale (3): spl: Add Kconfig options for NVME nvme: pci: Enable for SPL common: spl: Add spl NVMe boot support
arch/riscv/include/asm/spl.h | 1 + common/spl/Kconfig | 25 ++++++++++++++++++++ common/spl/Makefile | 1 + common/spl/spl_nvme.c | 44 ++++++++++++++++++++++++++++++++++++ drivers/Makefile | 2 +- drivers/nvme/Makefile | 2 +- drivers/nvme/nvme_pci.c | 1 + drivers/pci/Kconfig | 7 ++++++ drivers/pci/pci-uclass.c | 3 ++- 9 files changed, 83 insertions(+), 3 deletions(-) create mode 100644 common/spl/spl_nvme.c

This patch adds options to enable PCI NVMe support in SPL
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com --- common/spl/Kconfig | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/common/spl/Kconfig b/common/spl/Kconfig index 70d97815f0..2bc97421f9 100644 --- a/common/spl/Kconfig +++ b/common/spl/Kconfig @@ -1218,6 +1218,31 @@ config SPL_SATA expense and power consumption. This enables loading from SATA using a configured device.
+config SPL_NVME + bool "NVM Express device support" + depends on BLK + select HAVE_BLOCK_DEVICE + help + This option enables support for NVM Express devices. + It supports basic functions of NVMe (read/write). + +config SPL_NVME_PCI + bool "NVM Express PCI device support for SPL" + depends on SPL_PCI && SPL_NVME + help + This option enables support for NVM Express PCI devices. + This allows use of NVMe devices for loading u-boot. + +config SPL_NVME_BOOT_DEVICE + hex "NVMe boot device number" + depends on SPL_NVME + default 0x0 + +config SYS_NVME_FAT_BOOT_PARTITION + hex "NVMe boot partition number" + depends on SPL_NVME + default 0x1 + config SPL_SATA_RAW_U_BOOT_USE_SECTOR bool "SATA raw mode: by sector" depends on SPL_SATA

On Thu, 29 Sept 2022 at 03:57, Mayuresh Chitale mchitale@ventanamicro.com wrote:
This patch adds options to enable PCI NVMe support in SPL
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com
common/spl/Kconfig | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
Reviewed-by: Simon Glass sjg@chromium.org

Build PCI NVMe driver when enabled for SPI and enable dm-pre-reloc for the driver. Also enable PCI_PNP for SPL which is required to auto configure the PCIe devices.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com --- drivers/Makefile | 2 +- drivers/nvme/Makefile | 2 +- drivers/nvme/nvme_pci.c | 1 + drivers/pci/Kconfig | 7 +++++++ drivers/pci/pci-uclass.c | 3 ++- 5 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/Makefile b/drivers/Makefile index eba9940231..581ae9f819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_$(SPL_)DM_MAILBOX) += mailbox/ obj-$(CONFIG_$(SPL_)REMOTEPROC) += remoteproc/ obj-$(CONFIG_$(SPL_)SYSINFO) += sysinfo/ obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm/ +obj-$(CONFIG_$(SPL_)NVME) += nvme/ obj-$(CONFIG_XEN) += xen/ obj-$(CONFIG_$(SPL_)FPGA) += fpga/
@@ -86,7 +87,6 @@ obj-y += crypto/ obj-$(CONFIG_FASTBOOT) += fastboot/ obj-y += misc/ obj-$(CONFIG_MMC) += mmc/ -obj-$(CONFIG_NVME) += nvme/ obj-$(CONFIG_PCI_ENDPOINT) += pci_endpoint/ obj-y += dfu/ obj-$(CONFIG_PCH) += pch/ diff --git a/drivers/nvme/Makefile b/drivers/nvme/Makefile index fa7b619446..fd3e68a91d 100644 --- a/drivers/nvme/Makefile +++ b/drivers/nvme/Makefile @@ -4,4 +4,4 @@
obj-y += nvme-uclass.o nvme.o nvme_show.o obj-$(CONFIG_NVME_APPLE) += nvme_apple.o -obj-$(CONFIG_NVME_PCI) += nvme_pci.o +obj-$(CONFIG_$(SPL_)NVME_PCI) += nvme_pci.o diff --git a/drivers/nvme/nvme_pci.c b/drivers/nvme/nvme_pci.c index 36bf9c5ffb..16d8b9fff7 100644 --- a/drivers/nvme/nvme_pci.c +++ b/drivers/nvme/nvme_pci.c @@ -39,6 +39,7 @@ U_BOOT_DRIVER(nvme) = { .bind = nvme_bind, .probe = nvme_probe, .priv_auto = sizeof(struct nvme_dev), + .flags = DM_FLAG_PRE_RELOC, };
struct pci_device_id nvme_supported[] = { diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 22f4995453..2d4c9f0781 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -40,6 +40,13 @@ config PCI_PNP help Enable PCI memory and I/O space resource allocation and assignment.
+config SPL_PCI_PNP + bool "Enable Plug & Play support for PCI" + default n + help + Enable PCI memory and I/O space resource allocation and assignment. + This is required to auto configure the enumerated devices. + config PCI_REGION_MULTI_ENTRY bool "Enable Multiple entries of region type MEMORY in ranges for PCI" help diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 16a6a699f9..62d2409a6d 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1140,7 +1140,8 @@ static int pci_uclass_post_probe(struct udevice *bus) if (ret) return log_msg_ret("bind", ret);
- if (CONFIG_IS_ENABLED(PCI_PNP) && ll_boot_init() && + if ((CONFIG_IS_ENABLED(PCI_PNP) || CONFIG_IS_ENABLED(SPL_PCI_PNP)) && + ll_boot_init() && (!hose->skip_auto_config_until_reloc || (gd->flags & GD_FLG_RELOC))) { ret = pci_auto_config_devices(bus);

Hi Mayuresh,
On Thu, 29 Sept 2022 at 03:57, Mayuresh Chitale mchitale@ventanamicro.com wrote:
Build PCI NVMe driver when enabled for SPI and enable dm-pre-reloc for the driver. Also enable PCI_PNP for SPL which is required to auto configure the PCIe devices.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com
drivers/Makefile | 2 +- drivers/nvme/Makefile | 2 +- drivers/nvme/nvme_pci.c | 1 + drivers/pci/Kconfig | 7 +++++++ drivers/pci/pci-uclass.c | 3 ++- 5 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/Makefile b/drivers/Makefile index eba9940231..581ae9f819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_$(SPL_)DM_MAILBOX) += mailbox/ obj-$(CONFIG_$(SPL_)REMOTEPROC) += remoteproc/ obj-$(CONFIG_$(SPL_)SYSINFO) += sysinfo/ obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm/ +obj-$(CONFIG_$(SPL_)NVME) += nvme/ obj-$(CONFIG_XEN) += xen/ obj-$(CONFIG_$(SPL_)FPGA) += fpga/
@@ -86,7 +87,6 @@ obj-y += crypto/ obj-$(CONFIG_FASTBOOT) += fastboot/ obj-y += misc/ obj-$(CONFIG_MMC) += mmc/ -obj-$(CONFIG_NVME) += nvme/ obj-$(CONFIG_PCI_ENDPOINT) += pci_endpoint/ obj-y += dfu/ obj-$(CONFIG_PCH) += pch/ diff --git a/drivers/nvme/Makefile b/drivers/nvme/Makefile index fa7b619446..fd3e68a91d 100644 --- a/drivers/nvme/Makefile +++ b/drivers/nvme/Makefile @@ -4,4 +4,4 @@
obj-y += nvme-uclass.o nvme.o nvme_show.o obj-$(CONFIG_NVME_APPLE) += nvme_apple.o -obj-$(CONFIG_NVME_PCI) += nvme_pci.o +obj-$(CONFIG_$(SPL_)NVME_PCI) += nvme_pci.o diff --git a/drivers/nvme/nvme_pci.c b/drivers/nvme/nvme_pci.c index 36bf9c5ffb..16d8b9fff7 100644 --- a/drivers/nvme/nvme_pci.c +++ b/drivers/nvme/nvme_pci.c @@ -39,6 +39,7 @@ U_BOOT_DRIVER(nvme) = { .bind = nvme_bind, .probe = nvme_probe, .priv_auto = sizeof(struct nvme_dev),
.flags = DM_FLAG_PRE_RELOC,
Why is this here? It is only applicable on some boards.
Instead, add the appropriate tag (e.g. u-boot,dm-spl) to the device node.
};
struct pci_device_id nvme_supported[] = { diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 22f4995453..2d4c9f0781 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -40,6 +40,13 @@ config PCI_PNP help Enable PCI memory and I/O space resource allocation and assignment.
+config SPL_PCI_PNP
bool "Enable Plug & Play support for PCI"
default n
help
Enable PCI memory and I/O space resource allocation and assignment.
This is required to auto configure the enumerated devices.
config PCI_REGION_MULTI_ENTRY bool "Enable Multiple entries of region type MEMORY in ranges for PCI" help diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 16a6a699f9..62d2409a6d 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1140,7 +1140,8 @@ static int pci_uclass_post_probe(struct udevice *bus) if (ret) return log_msg_ret("bind", ret);
if (CONFIG_IS_ENABLED(PCI_PNP) && ll_boot_init() &&
if ((CONFIG_IS_ENABLED(PCI_PNP) || CONFIG_IS_ENABLED(SPL_PCI_PNP)) &&
ll_boot_init() && (!hose->skip_auto_config_until_reloc || (gd->flags & GD_FLG_RELOC))) { ret = pci_auto_config_devices(bus);
-- 2.25.1
Regards, Simon

Hi Simon,
On Fri, Sep 30, 2022 at 5:26 AM Simon Glass sjg@chromium.org wrote:
Hi Mayuresh,
On Thu, 29 Sept 2022 at 03:57, Mayuresh Chitale mchitale@ventanamicro.com wrote:
Build PCI NVMe driver when enabled for SPI and enable dm-pre-reloc for the driver. Also enable PCI_PNP for SPL which is required to auto configure the PCIe devices.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com
drivers/Makefile | 2 +- drivers/nvme/Makefile | 2 +- drivers/nvme/nvme_pci.c | 1 + drivers/pci/Kconfig | 7 +++++++ drivers/pci/pci-uclass.c | 3 ++- 5 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/Makefile b/drivers/Makefile index eba9940231..581ae9f819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_$(SPL_)DM_MAILBOX) += mailbox/ obj-$(CONFIG_$(SPL_)REMOTEPROC) += remoteproc/ obj-$(CONFIG_$(SPL_)SYSINFO) += sysinfo/ obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm/ +obj-$(CONFIG_$(SPL_)NVME) += nvme/ obj-$(CONFIG_XEN) += xen/ obj-$(CONFIG_$(SPL_)FPGA) += fpga/
@@ -86,7 +87,6 @@ obj-y += crypto/ obj-$(CONFIG_FASTBOOT) += fastboot/ obj-y += misc/ obj-$(CONFIG_MMC) += mmc/ -obj-$(CONFIG_NVME) += nvme/ obj-$(CONFIG_PCI_ENDPOINT) += pci_endpoint/ obj-y += dfu/ obj-$(CONFIG_PCH) += pch/ diff --git a/drivers/nvme/Makefile b/drivers/nvme/Makefile index fa7b619446..fd3e68a91d 100644 --- a/drivers/nvme/Makefile +++ b/drivers/nvme/Makefile @@ -4,4 +4,4 @@
obj-y += nvme-uclass.o nvme.o nvme_show.o obj-$(CONFIG_NVME_APPLE) += nvme_apple.o -obj-$(CONFIG_NVME_PCI) += nvme_pci.o +obj-$(CONFIG_$(SPL_)NVME_PCI) += nvme_pci.o diff --git a/drivers/nvme/nvme_pci.c b/drivers/nvme/nvme_pci.c index 36bf9c5ffb..16d8b9fff7 100644 --- a/drivers/nvme/nvme_pci.c +++ b/drivers/nvme/nvme_pci.c @@ -39,6 +39,7 @@ U_BOOT_DRIVER(nvme) = { .bind = nvme_bind, .probe = nvme_probe, .priv_auto = sizeof(struct nvme_dev),
.flags = DM_FLAG_PRE_RELOC,
Why is this here? It is only applicable on some boards.
Instead, add the appropriate tag (e.g. u-boot,dm-spl) to the device node.
I am not sure how that can be done for PCI devices as those would be probed at run time. Could you please point to any examples? Also, the pci_find_and_bind_driver function only checks for this flag in the drivers when binding the devices
};
struct pci_device_id nvme_supported[] = { diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 22f4995453..2d4c9f0781 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -40,6 +40,13 @@ config PCI_PNP help Enable PCI memory and I/O space resource allocation and
assignment.
+config SPL_PCI_PNP
bool "Enable Plug & Play support for PCI"
default n
help
Enable PCI memory and I/O space resource allocation and
assignment.
This is required to auto configure the enumerated devices.
config PCI_REGION_MULTI_ENTRY bool "Enable Multiple entries of region type MEMORY in ranges
for PCI"
help
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 16a6a699f9..62d2409a6d 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1140,7 +1140,8 @@ static int pci_uclass_post_probe(struct udevice
*bus)
if (ret) return log_msg_ret("bind", ret);
if (CONFIG_IS_ENABLED(PCI_PNP) && ll_boot_init() &&
if ((CONFIG_IS_ENABLED(PCI_PNP) ||
CONFIG_IS_ENABLED(SPL_PCI_PNP)) &&
ll_boot_init() && (!hose->skip_auto_config_until_reloc || (gd->flags & GD_FLG_RELOC))) { ret = pci_auto_config_devices(bus);
-- 2.25.1
Regards, Simon

Hi Mayuresh,
On Fri, 30 Sept 2022 at 10:58, Mayuresh Chitale mchitale@ventanamicro.com wrote:
Hi Simon,
On Fri, Sep 30, 2022 at 5:26 AM Simon Glass sjg@chromium.org wrote:
Hi Mayuresh,
On Thu, 29 Sept 2022 at 03:57, Mayuresh Chitale mchitale@ventanamicro.com wrote:
Build PCI NVMe driver when enabled for SPI and enable dm-pre-reloc for the driver. Also enable PCI_PNP for SPL which is required to auto configure the PCIe devices.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com
drivers/Makefile | 2 +- drivers/nvme/Makefile | 2 +- drivers/nvme/nvme_pci.c | 1 + drivers/pci/Kconfig | 7 +++++++ drivers/pci/pci-uclass.c | 3 ++- 5 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/Makefile b/drivers/Makefile index eba9940231..581ae9f819 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_$(SPL_)DM_MAILBOX) += mailbox/ obj-$(CONFIG_$(SPL_)REMOTEPROC) += remoteproc/ obj-$(CONFIG_$(SPL_)SYSINFO) += sysinfo/ obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm/ +obj-$(CONFIG_$(SPL_)NVME) += nvme/ obj-$(CONFIG_XEN) += xen/ obj-$(CONFIG_$(SPL_)FPGA) += fpga/
@@ -86,7 +87,6 @@ obj-y += crypto/ obj-$(CONFIG_FASTBOOT) += fastboot/ obj-y += misc/ obj-$(CONFIG_MMC) += mmc/ -obj-$(CONFIG_NVME) += nvme/ obj-$(CONFIG_PCI_ENDPOINT) += pci_endpoint/ obj-y += dfu/ obj-$(CONFIG_PCH) += pch/ diff --git a/drivers/nvme/Makefile b/drivers/nvme/Makefile index fa7b619446..fd3e68a91d 100644 --- a/drivers/nvme/Makefile +++ b/drivers/nvme/Makefile @@ -4,4 +4,4 @@
obj-y += nvme-uclass.o nvme.o nvme_show.o obj-$(CONFIG_NVME_APPLE) += nvme_apple.o -obj-$(CONFIG_NVME_PCI) += nvme_pci.o +obj-$(CONFIG_$(SPL_)NVME_PCI) += nvme_pci.o diff --git a/drivers/nvme/nvme_pci.c b/drivers/nvme/nvme_pci.c index 36bf9c5ffb..16d8b9fff7 100644 --- a/drivers/nvme/nvme_pci.c +++ b/drivers/nvme/nvme_pci.c @@ -39,6 +39,7 @@ U_BOOT_DRIVER(nvme) = { .bind = nvme_bind, .probe = nvme_probe, .priv_auto = sizeof(struct nvme_dev),
.flags = DM_FLAG_PRE_RELOC,
Why is this here? It is only applicable on some boards.
Instead, add the appropriate tag (e.g. u-boot,dm-spl) to the device node.
I am not sure how that can be done for PCI devices as those would be probed at run time. Could you please point to any examples? Also, the pci_find_and_bind_driver function only checks for this flag in the drivers when binding the devices
See host-bridge@0,0 in chromebook_coral.dts for an example of using the u-boot,dm-pre-reloc flag. Note that pci_find_and_bind_driver() is only called if the device tree lacks anything.
Which board is this for?
Regards, Simon

Add spl_nvme to read a fat partition from a bootable NVMe device.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com --- arch/riscv/include/asm/spl.h | 1 + common/spl/Makefile | 1 + common/spl/spl_nvme.c | 44 ++++++++++++++++++++++++++++++++++++ 3 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 e8a94fcb1f..5d0ba4b034 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/Makefile b/common/spl/Makefile index 13db3df993..4bcc3d7e68 100644 --- a/common/spl/Makefile +++ b/common/spl/Makefile @@ -28,6 +28,7 @@ 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..d8a9dba845 --- /dev/null +++ b/common/spl/spl_nvme.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 + * Ventana Micro Systems Inc. + * + * Derived work from spl_sata.c + */ + +#include <common.h> +#include <spl.h> +#include <errno.h> +#include <fat.h> +#include <nvme.h> +#include <init.h> + +static int spl_nvme_load_image(struct spl_image_info *spl_image, + struct spl_boot_device *bootdev) +{ + int ret; + struct blk_desc *blk_desc; + + ret = pci_init(); + if (ret < 0) + goto out; + + ret = nvme_scan_namespace(); + if (ret < 0) + goto out; + + blk_show_device(IF_TYPE_NVME, CONFIG_SPL_NVME_BOOT_DEVICE); + blk_desc = blk_get_devnum_by_type(IF_TYPE_NVME, + CONFIG_SPL_NVME_BOOT_DEVICE); + if (IS_ENABLED(CONFIG_SPL_FS_FAT)) + ret = spl_load_image_fat(spl_image, bootdev, blk_desc, + CONFIG_SYS_NVME_FAT_BOOT_PARTITION, + CONFIG_SPL_PAYLOAD); + else + ret = -ENOSYS; + +out: + return ret; +} + +SPL_LOAD_IMAGE_METHOD("NVME", 0, BOOT_DEVICE_NVME, spl_nvme_load_image);

Hi Mayuresh,
On Thu, 29 Sept 2022 at 03:57, Mayuresh Chitale mchitale@ventanamicro.com wrote:
Add spl_nvme to read a fat partition from a bootable NVMe device.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com
arch/riscv/include/asm/spl.h | 1 + common/spl/Makefile | 1 + common/spl/spl_nvme.c | 44 ++++++++++++++++++++++++++++++++++++ 3 files changed, 46 insertions(+) create mode 100644 common/spl/spl_nvme.c
Reviewed-by: Simon Glass sjg@chromium.org
(but see below)
diff --git a/arch/riscv/include/asm/spl.h b/arch/riscv/include/asm/spl.h index e8a94fcb1f..5d0ba4b034 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/Makefile b/common/spl/Makefile index 13db3df993..4bcc3d7e68 100644 --- a/common/spl/Makefile +++ b/common/spl/Makefile @@ -28,6 +28,7 @@ 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..d8a9dba845 --- /dev/null +++ b/common/spl/spl_nvme.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/*
- Copyright (C) 2022
- Ventana Micro Systems Inc.
- Derived work from spl_sata.c
- */
+#include <common.h> +#include <spl.h> +#include <errno.h> +#include <fat.h> +#include <nvme.h> +#include <init.h>
Should go above nvme.h
+static int spl_nvme_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
+{
int ret;
struct blk_desc *blk_desc;
ret = pci_init();
if (ret < 0)
goto out;
ret = nvme_scan_namespace();
if (ret < 0)
goto out;
blk_show_device(IF_TYPE_NVME, CONFIG_SPL_NVME_BOOT_DEVICE);
blk_desc = blk_get_devnum_by_type(IF_TYPE_NVME,
CONFIG_SPL_NVME_BOOT_DEVICE);
I think we need to move this to device tree, but it is OK for now.
if (IS_ENABLED(CONFIG_SPL_FS_FAT))
ret = spl_load_image_fat(spl_image, bootdev, blk_desc,
CONFIG_SYS_NVME_FAT_BOOT_PARTITION,
CONFIG_SPL_PAYLOAD);
else
ret = -ENOSYS;
+out:
return ret;
+}
+SPL_LOAD_IMAGE_METHOD("NVME", 0, BOOT_DEVICE_NVME, spl_nvme_load_image);
2.25.1
Regards, Simon
participants (2)
-
Mayuresh Chitale
-
Simon Glass