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[U-Boot,v2,1/3] arm64: mvebu: Trigger PCI devices scan at early init stage

Message ID 1491403353-8608-1-git-send-email-kostap@marvell.com
State Accepted
Commit f4f194e864e879896e630594448b31cc672a4934
Delegated to: Stefan Roese
Headers show

Commit Message

Kostya Porotchkin April 5, 2017, 2:42 p.m. UTC 
From: Konstantin Porotchkin <kostap@marvell.com>

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>
---
Changes from v1:
- Remove changes to SATA devices scan

 arch/arm/mach-mvebu/arm64-common.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Stefan Roese May 8, 2017, 9:59 a.m. UTC | #1 
On 05.04.2017 16:42, kostap@marvell.com wrote:
> From: Konstantin Porotchkin <kostap@marvell.com>
>
> 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>

Thanks,
Stefan
Stefan Roese May 9, 2017, 2:39 p.m. UTC | #2 
On 05.04.2017 16:42, kostap@marvell.com wrote:
> From: Konstantin Porotchkin <kostap@marvell.com>
>
> 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>

Applied to u-boot-marvell/master.

Thanks,
Stefan
diff mbox

Patch

diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
index 8f02655..45e6d35 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>
@@ -145,5 +146,10 @@  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;
 }