From: Frank Li <Frank.li@nxp.com>
To: Niklas Cassel <cassel@kernel.org>
Cc: "Jingoo Han" <jingoohan1@gmail.com>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Heiko Stuebner" <heiko@sntech.de>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Arnd Bergmann" <arnd@arndb.de>,
"Damien Le Moal" <dlemoal@kernel.org>,
"Jon Lin" <jon.lin@rock-chips.com>,
"Shawn Lin" <shawn.lin@rock-chips.com>,
"Simon Xue" <xxm@rock-chips.com>,
linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH 10/12] misc: pci_endpoint_test: Add support for rockchip rk3588
Date: Thu, 25 Apr 2024 15:16:53 -0400 [thread overview]
Message-ID: <ZiqsJZh5SV6q33Fz@lizhi-Precision-Tower-5810> (raw)
In-Reply-To: <20240424-rockchip-pcie-ep-v1-v1-10-b1a02ddad650@kernel.org>
On Wed, Apr 24, 2024 at 05:16:28PM +0200, Niklas Cassel wrote:
> Rockchip rk3588 requires 64k alignment.
> While there is an existing device_id:vendor_id in the driver with 64k
> alignment, that device_id:vendor_id is am654, which uses BAR2 instead of
> BAR0 as the test_reg_bar, and also has special is_am654_pci_dev() checks
> in the driver to disallow BAR0. In order to allow testing all BARs, add a
> new rk3588 entry in the driver.
>
> We intentionally do not add the vendor id to pci_ids.h, since the policy
> for that file is that the vendor id has to be used by multiple drivers.
>
> Hopefully, this new entry will be short-lived, as there is a series on the
> mailing list which intends to move the address alignment restrictions from
> this driver to the endpoint side.
>
> Add a new entry for rk3588 in order to allow us to test all BARs.
>
> Signed-off-by: Niklas Cassel <cassel@kernel.org>
> ---
> drivers/misc/pci_endpoint_test.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
> index c38a6083f0a7..a7f593b4e3b3 100644
> --- a/drivers/misc/pci_endpoint_test.c
> +++ b/drivers/misc/pci_endpoint_test.c
> @@ -84,6 +84,9 @@
> #define PCI_DEVICE_ID_RENESAS_R8A774E1 0x0025
> #define PCI_DEVICE_ID_RENESAS_R8A779F0 0x0031
>
> +#define PCI_VENDOR_ID_ROCKCHIP 0x1d87
> +#define PCI_DEVICE_ID_ROCKCHIP_RK3588 0x3588
> +
Did you make sure 0x3588 will not used by other production with vendor id
0x1d87?
Frank
> static DEFINE_IDA(pci_endpoint_test_ida);
>
> #define to_endpoint_test(priv) container_of((priv), struct pci_endpoint_test, \
> @@ -980,6 +983,11 @@ static const struct pci_endpoint_test_data j721e_data = {
> .irq_type = IRQ_TYPE_MSI,
> };
>
> +static const struct pci_endpoint_test_data rk3588_data = {
> + .alignment = SZ_64K,
> + .irq_type = IRQ_TYPE_MSI,
> +};
> +
> static const struct pci_device_id pci_endpoint_test_tbl[] = {
> { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA74x),
> .driver_data = (kernel_ulong_t)&default_data,
> @@ -1017,6 +1025,9 @@ static const struct pci_device_id pci_endpoint_test_tbl[] = {
> { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_J721S2),
> .driver_data = (kernel_ulong_t)&j721e_data,
> },
> + { PCI_DEVICE(PCI_VENDOR_ID_ROCKCHIP, PCI_DEVICE_ID_ROCKCHIP_RK3588),
> + .driver_data = (kernel_ulong_t)&rk3588_data,
> + },
> { }
> };
> MODULE_DEVICE_TABLE(pci, pci_endpoint_test_tbl);
>
> --
> 2.44.0
>
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next prev parent reply other threads:[~2024-04-25 19:17 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-24 15:16 [PATCH 00/12] PCI: dw-rockchip: Add endpoint mode support Niklas Cassel
2024-04-24 15:16 ` [PATCH 01/12] dt-bindings: PCI: snps,dw-pcie-ep: Add vendor specific reg-name Niklas Cassel
2024-04-25 15:49 ` Rob Herring
2024-04-25 15:54 ` Rob Herring
2024-04-24 15:16 ` [PATCH 02/12] dt-bindings: PCI: snps,dw-pcie-ep: Add vendor specific interrupt-names Niklas Cassel
2024-04-25 15:55 ` Rob Herring
2024-04-24 15:16 ` [PATCH 03/12] dt-bindings: PCI: snps,dw-pcie-ep: Add tx_int{a,b,c,d} legacy irqs Niklas Cassel
2024-04-25 16:20 ` Rob Herring
2024-04-24 15:16 ` [PATCH 04/12] dt-bindings: rockchip: Add DesignWare based PCIe Endpoint controller Niklas Cassel
2024-04-25 16:08 ` Rob Herring
2024-04-30 11:34 ` Niklas Cassel
2024-04-24 15:16 ` [PATCH 05/12] PCI: dw-rockchip: Fix weird indentation Niklas Cassel
2024-04-24 15:16 ` [PATCH 06/12] PCI: dw-rockchip: Add rockchip_pcie_ltssm() helper Niklas Cassel
2024-04-24 15:16 ` [PATCH 07/12] PCI: dw-rockchip: Refactor the driver to prepare for EP mode Niklas Cassel
2024-04-24 15:16 ` [PATCH 08/12] PCI: dw-rockchip: Add explicit rockchip,rk3588-pcie compatible Niklas Cassel
2024-04-24 15:16 ` [PATCH 09/12] PCI: dw-rockchip: Add endpoint mode support Niklas Cassel
2024-04-24 15:16 ` [PATCH 10/12] misc: pci_endpoint_test: Add support for rockchip rk3588 Niklas Cassel
2024-04-25 19:16 ` Frank Li [this message]
2024-04-30 11:42 ` Niklas Cassel
2024-04-24 15:16 ` [PATCH 11/12] arm64: dts: rockchip: Add PCIe endpoint mode support Niklas Cassel
2024-04-24 15:16 ` [PATCH 12/12] arm64: dts: rockchip: Add rock5b overlays for PCIe endpoint mode Niklas Cassel
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