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From: stcarlso@linux.microsoft.com
To: u-boot@lists.denx.de
Subject: [PATCH 2/3] drivers: pci: sandbox: Add stub sandbox PCI MPS support
Date: Tue,  7 Mar 2023 16:32:33 -0800	[thread overview]
Message-ID: <20230308003234.465014-3-stcarlso@linux.microsoft.com> (raw)
In-Reply-To: <20230308003234.465014-1-stcarlso@linux.microsoft.com>

From: Stephen Carlson <stcarlso@linux.microsoft.com>

Reports the sandbox swapcase PCI Express device to support a 256 byte
Maximum Payload Size for MPS tuning tests.

Signed-off-by: Stephen Carlson <stcarlso@linux.microsoft.com>
---
 drivers/misc/swap_case.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/misc/swap_case.c b/drivers/misc/swap_case.c
index 7093ad1cd4..ee5c12bd0a 100644
--- a/drivers/misc/swap_case.c
+++ b/drivers/misc/swap_case.c
@@ -165,6 +165,9 @@ static int sandbox_swap_case_read_config(const struct udevice *emul,
 	case PCI_CAP_ID_EXP_OFFSET + PCI_CAP_LIST_NEXT:
 		*valuep = PCI_CAP_ID_MSIX_OFFSET;
 		break;
+	case PCI_CAP_ID_EXP_OFFSET + PCI_EXP_DEVCAP:
+		*valuep = PCI_EXP_DEVCAP_PAYLOAD_256B;
+		break;
 	case PCI_CAP_ID_MSIX_OFFSET:
 		if (sandbox_swap_case_use_ea(emul))
 			*valuep = (PCI_CAP_ID_EA_OFFSET << 8) | PCI_CAP_ID_MSIX;
-- 
2.25.1


  parent reply	other threads:[~2023-03-08  0:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-08  0:32 [PATCH 0/3] Add command to set MPS of all PCI Express devices stcarlso
2023-03-08  0:32 ` [PATCH 1/3] cmd: pci: Add command to set MPS of all PCIe devices stcarlso
2023-03-08  0:32 ` stcarlso [this message]
2023-03-08  0:32 ` [PATCH 3/3] test: Add test for new command pci_mps stcarlso
2023-03-08 17:16   ` Simon Glass

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