arm64: mvebu: Trigger PCI devices scan at early init stage

Add PCIe initialization at early init stage.
This operation has a side effect of detecting all PCIe
plug-in cards, so the operator is not obligated to issue
"pci enum" command though CLI for this purpose.

Signed-off-by: Konstantin Porotchkin <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Igal Liberman <[email protected]>
Cc: Nadav Haklai <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>

diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
index 2ef5726905dedfa240e087eeb9c1006b178a8dea..c2c176e3d44f5274dc81c31c87ee7bdf01895d30 100644 (file)
--- a/arch/arm/mach-mvebu/arm64-common.c
+++ b/arch/arm/mach-mvebu/arm64-common.c
@@ -8,6 +8,7 @@
 #include <dm.h>
 #include <fdtdec.h>
 #include <libfdt.h>
+#include <pci.h>
 #include <asm/io.h>
 #include <asm/system.h>
 #include <asm/arch/cpu.h>
@@ -147,5 +148,10 @@ int arch_early_init_r(void)
        /* Cause the SATA device to do its early init */
        uclass_first_device(UCLASS_AHCI, &dev);
 
+#ifdef CONFIG_DM_PCI
+       /* Trigger PCIe devices detection */
+       pci_init();
+#endif
+
        return 0;
 }