From: Daniel Machon <daniel.machon@microchip.com>
To: Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Horatiu Vultur <horatiu.vultur@microchip.com>,
Steen Hegelund <steen.hegelund@microchip.com>,
<UNGLinuxDriver@microchip.com>,
"Alexei Starovoitov" <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Herve Codina <herve.codina@bootlin.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mohsin Bashir <mohsin.bashr@gmail.com>,
"Simon Horman" <horms@kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<bpf@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>
Subject: [PATCH net-next v8 14/15] misc: lan966x-pci: dts: extend cpu reg to cover PCIE DBI space
Date: Thu, 24 Sep 2026 21:57:02 +0200 [thread overview]
Message-ID: <20260924-lan966x-pci-fdma-v8-14-201c7b707d8b@microchip.com> (raw)
In-Reply-To: <20260924-lan966x-pci-fdma-v8-0-201c7b707d8b@microchip.com>
The ATU outbound windows used by the FDMA engine are programmed through
registers at offset 0x400000+, which falls outside the current cpu reg
mapping. Extend the cpu reg size from 0x100000 (1MB) to 0x800000 (8MB)
to cover the full PCIE DBI and iATU register space.
Tested-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <horms@kernel.org>
---
drivers/misc/lan966x_pci.dtso | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/lan966x_pci.dtso b/drivers/misc/lan966x_pci.dtso
index 7b196b0a0eb6..7bb726550caf 100644
--- a/drivers/misc/lan966x_pci.dtso
+++ b/drivers/misc/lan966x_pci.dtso
@@ -135,7 +135,7 @@ lan966x_phy1: ethernet-lan966x_phy@2 {
switch: switch@e0000000 {
compatible = "microchip,lan966x-switch";
- reg = <0xe0000000 0x0100000>,
+ reg = <0xe0000000 0x0800000>,
<0xe2000000 0x0800000>;
reg-names = "cpu", "gcb";
--
2.34.1
next prev parent reply other threads:[~2026-09-24 19:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 19:56 [PATCH net-next v8 00/15] net: lan966x: add support for PCIe FDMA Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 01/15] MAINTAINERS: add FDMA library to Sparx5 SoC entry Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 02/15] net: microchip: fdma: rename contiguous dataptr helpers Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 03/15] net: microchip: fdma: add PCIe ATU support Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
2026-09-24 19:56 ` [PATCH net-next v8 04/15] net: microchip: fdma: use little-endian types for descriptor fields Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 05/15] net: lan966x: add FDMA LLP register write helper Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 06/15] net: lan966x: export FDMA helpers for reuse Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 07/15] net: lan966x: use a dedicated device for DMA operations Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 08/15] net: lan966x: add FDMA ops dispatch for PCIe support Daniel Machon
2026-09-24 19:56 ` [PATCH net-next v8 09/15] net: lan966x: clear FDMA interrupt stickies after switch reset Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
2026-09-24 19:56 ` [PATCH net-next v8 10/15] net: lan966x: add shutdown callback to stop the FDMA on reboot Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
2026-09-24 19:56 ` [PATCH net-next v8 11/15] net: lan966x: add PCIe FDMA support Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
2026-09-24 19:57 ` [PATCH net-next v8 12/15] net: lan966x: add PCIe FDMA MTU change support Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
2026-09-24 19:57 ` [PATCH net-next v8 13/15] net: lan966x: add PCIe FDMA XDP support Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
2026-09-28 11:02 ` Daniel Machon
2026-09-24 19:57 ` Daniel Machon [this message]
2026-09-25 20:52 ` [PATCH net-next v8 14/15] misc: lan966x-pci: dts: extend cpu reg to cover PCIE DBI space netdev-bot+sashiko
2026-09-24 19:57 ` [PATCH net-next v8 15/15] misc: lan966x-pci: dts: add fdma interrupt to overlay Daniel Machon
2026-09-25 20:52 ` netdev-bot+sashiko
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