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 <mchit...@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);
-- 
2.25.1

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