From: Konstantin Porotchkin <kostap@marvell.com>
Date: Wed, 5 Apr 2017 14:42:33 +0000 (+0300)
Subject: arm64: mvebu: Trigger PCI devices scan at early init stage
X-Git-Tag: v2017.07-rc1~389^2~21
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f4f194e864e879896e630594448b31cc672a4934;p=u-boot

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 <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Igal Liberman <igall@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>
Reviewed-by: Stefan Roese <sr@denx.de>
---

diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
index 2ef5726905..c2c176e3d4 100644
--- 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;
 }