[v2,0/2] PCI: mediatek: Add support for MT7629

[v2,0/2] PCI: mediatek: Add support for MT7629

[Jianjun Wang]

These series patches modify pcie-mediatek.c and dt-bindings compatible
string to support MT7629 PCIe host.

Jianjun Wang (2):
  dt-bindings: PCI: Add support for MT7629
  PCI: mediatek: Add controller support for MT7629

 .../devicetree/bindings/pci/mediatek-pcie.txt  |  1 +
 drivers/pci/controller/pcie-mediatek.c         | 18 ++++++++++++++++++
 include/linux/pci_ids.h                        |  1 +
 3 files changed, 20 insertions(+)

-- 
2.18.0

[v2,1/2] dt-bindings: PCI: Add support for MT7629

[Jianjun Wang]

MT7629 is an ARM platform Soc which has the same PCIe IP with MT7622.

Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
---
 Documentation/devicetree/bindings/pci/mediatek-pcie.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt
index 92437a366e5f..7468d666763a 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt
@@ -6,6 +6,7 @@ Required properties:
 	"mediatek,mt2712-pcie"
 	"mediatek,mt7622-pcie"
 	"mediatek,mt7623-pcie"
+	"mediatek,mt7629-pcie"
 - device_type: Must be "pci"
 - reg: Base addresses and lengths of the PCIe subsys and root ports.
 - reg-names: Names of the above areas to use during resource lookup.
-- 
2.18.0

[v2,2/2] PCI: mediatek: Add controller support for MT7629

[Jianjun Wang]

MT7629 is an ARM platform SoC which has the same PCIe IP with MT7622.

The HW default value of its Device ID is invalid, fix its Device ID to
match the hardware implementation.

Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
---
 drivers/pci/controller/pcie-mediatek.c | 18 ++++++++++++++++++
 include/linux/pci_ids.h                |  1 +
 2 files changed, 19 insertions(+)

diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 80601e1b939e..e5e6740b635d 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -73,6 +73,7 @@
 #define PCIE_MSI_VECTOR		0x0c0
 
 #define PCIE_CONF_VEND_ID	0x100
+#define PCIE_CONF_DEVICE_ID	0x102
 #define PCIE_CONF_CLASS_ID	0x106
 
 #define PCIE_INT_MASK		0x420
@@ -141,12 +142,16 @@ struct mtk_pcie_port;
 /**
  * struct mtk_pcie_soc - differentiate between host generations
  * @need_fix_class_id: whether this host's class ID needed to be fixed or not
+ * @need_fix_device_id: whether this host's Device ID needed to be fixed or not
+ * @device_id: Device ID which this host need to be fixed
  * @ops: pointer to configuration access functions
  * @startup: pointer to controller setting functions
  * @setup_irq: pointer to initialize IRQ functions
  */
 struct mtk_pcie_soc {
 	bool need_fix_class_id;
+	bool need_fix_device_id;
+	unsigned int device_id;
 	struct pci_ops *ops;
 	int (*startup)(struct mtk_pcie_port *port);
 	int (*setup_irq)(struct mtk_pcie_port *port, struct device_node *node);
@@ -696,6 +701,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
 		writew(val, port->base + PCIE_CONF_CLASS_ID);
 	}
 
+	if (soc->need_fix_device_id)
+		writew(soc->device_id, port->base + PCIE_CONF_DEVICE_ID);
+
 	/* 100ms timeout value should be enough for Gen1/2 training */
 	err = readl_poll_timeout(port->base + PCIE_LINK_STATUS_V2, val,
 				 !!(val & PCIE_PORT_LINKUP_V2), 20,
@@ -1216,11 +1224,21 @@ static const struct mtk_pcie_soc mtk_pcie_soc_mt7622 = {
 	.setup_irq = mtk_pcie_setup_irq,
 };
 
+static const struct mtk_pcie_soc mtk_pcie_soc_mt7629 = {
+	.need_fix_class_id = true,
+	.need_fix_device_id = true,
+	.device_id = PCI_DEVICE_ID_MEDIATEK_7629,
+	.ops = &mtk_pcie_ops_v2,
+	.startup = mtk_pcie_startup_port_v2,
+	.setup_irq = mtk_pcie_setup_irq,
+};
+
 static const struct of_device_id mtk_pcie_ids[] = {
 	{ .compatible = "mediatek,mt2701-pcie", .data = &mtk_pcie_soc_v1 },
 	{ .compatible = "mediatek,mt7623-pcie", .data = &mtk_pcie_soc_v1 },
 	{ .compatible = "mediatek,mt2712-pcie", .data = &mtk_pcie_soc_mt2712 },
 	{ .compatible = "mediatek,mt7622-pcie", .data = &mtk_pcie_soc_mt7622 },
+	{ .compatible = "mediatek,mt7629-pcie", .data = &mtk_pcie_soc_mt7629 },
 	{},
 };
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 70e86148cb1e..aa32962759b2 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2131,6 +2131,7 @@
 #define PCI_VENDOR_ID_MYRICOM		0x14c1
 
 #define PCI_VENDOR_ID_MEDIATEK		0x14c3
+#define PCI_DEVICE_ID_MEDIATEK_7629	0x7629
 
 #define PCI_VENDOR_ID_TITAN		0x14D2
 #define PCI_DEVICE_ID_TITAN_010L	0x8001
-- 
2.18.0

Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629

[Jianjun Wang]

On Fri, 2019-06-28 at 15:34 +0800, Jianjun Wang wrote:
> MT7629 is an ARM platform SoC which has the same PCIe IP with MT7622.
> 
> The HW default value of its Device ID is invalid, fix its Device ID to
> match the hardware implementation.
> 
> Acked-by: Ryder Lee <ryder.lee@mediatek.com>
> Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> ---
>  drivers/pci/controller/pcie-mediatek.c | 18 ++++++++++++++++++
>  include/linux/pci_ids.h                |  1 +
>  2 files changed, 19 insertions(+)
> 
> diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> index 80601e1b939e..e5e6740b635d 100644
> --- a/drivers/pci/controller/pcie-mediatek.c
> +++ b/drivers/pci/controller/pcie-mediatek.c
> @@ -73,6 +73,7 @@
>  #define PCIE_MSI_VECTOR		0x0c0
>  
>  #define PCIE_CONF_VEND_ID	0x100
> +#define PCIE_CONF_DEVICE_ID	0x102
>  #define PCIE_CONF_CLASS_ID	0x106
>  
>  #define PCIE_INT_MASK		0x420
> @@ -141,12 +142,16 @@ struct mtk_pcie_port;
>  /**
>   * struct mtk_pcie_soc - differentiate between host generations
>   * @need_fix_class_id: whether this host's class ID needed to be fixed or not
> + * @need_fix_device_id: whether this host's Device ID needed to be fixed or not
> + * @device_id: Device ID which this host need to be fixed
>   * @ops: pointer to configuration access functions
>   * @startup: pointer to controller setting functions
>   * @setup_irq: pointer to initialize IRQ functions
>   */
>  struct mtk_pcie_soc {
>  	bool need_fix_class_id;
> +	bool need_fix_device_id;
> +	unsigned int device_id;
>  	struct pci_ops *ops;
>  	int (*startup)(struct mtk_pcie_port *port);
>  	int (*setup_irq)(struct mtk_pcie_port *port, struct device_node *node);
> @@ -696,6 +701,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
>  		writew(val, port->base + PCIE_CONF_CLASS_ID);
>  	}
>  
> +	if (soc->need_fix_device_id)
> +		writew(soc->device_id, port->base + PCIE_CONF_DEVICE_ID);
> +
>  	/* 100ms timeout value should be enough for Gen1/2 training */
>  	err = readl_poll_timeout(port->base + PCIE_LINK_STATUS_V2, val,
>  				 !!(val & PCIE_PORT_LINKUP_V2), 20,
> @@ -1216,11 +1224,21 @@ static const struct mtk_pcie_soc mtk_pcie_soc_mt7622 = {
>  	.setup_irq = mtk_pcie_setup_irq,
>  };
>  
> +static const struct mtk_pcie_soc mtk_pcie_soc_mt7629 = {
> +	.need_fix_class_id = true,
> +	.need_fix_device_id = true,
> +	.device_id = PCI_DEVICE_ID_MEDIATEK_7629,
> +	.ops = &mtk_pcie_ops_v2,
> +	.startup = mtk_pcie_startup_port_v2,
> +	.setup_irq = mtk_pcie_setup_irq,
> +};
> +
>  static const struct of_device_id mtk_pcie_ids[] = {
>  	{ .compatible = "mediatek,mt2701-pcie", .data = &mtk_pcie_soc_v1 },
>  	{ .compatible = "mediatek,mt7623-pcie", .data = &mtk_pcie_soc_v1 },
>  	{ .compatible = "mediatek,mt2712-pcie", .data = &mtk_pcie_soc_mt2712 },
>  	{ .compatible = "mediatek,mt7622-pcie", .data = &mtk_pcie_soc_mt7622 },
> +	{ .compatible = "mediatek,mt7629-pcie", .data = &mtk_pcie_soc_mt7629 },
>  	{},
>  };
>  
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 70e86148cb1e..aa32962759b2 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2131,6 +2131,7 @@
>  #define PCI_VENDOR_ID_MYRICOM		0x14c1
>  
>  #define PCI_VENDOR_ID_MEDIATEK		0x14c3
> +#define PCI_DEVICE_ID_MEDIATEK_7629	0x7629
>  
>  #define PCI_VENDOR_ID_TITAN		0x14D2
>  #define PCI_DEVICE_ID_TITAN_010L	0x8001

Hi Bjorn & Lorenzo,

Is this patch ok or is there anything I need to fixed?

Thanks.

Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629

[Lorenzo Pieralisi]

On Mon, Jul 29, 2019 at 03:38:38PM +0800, Jianjun Wang wrote:
> On Fri, 2019-06-28 at 15:34 +0800, Jianjun Wang wrote:
> > MT7629 is an ARM platform SoC which has the same PCIe IP with MT7622.
> > 
> > The HW default value of its Device ID is invalid, fix its Device ID to
> > match the hardware implementation.
> > 
> > Acked-by: Ryder Lee <ryder.lee@mediatek.com>
> > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> > ---
> >  drivers/pci/controller/pcie-mediatek.c | 18 ++++++++++++++++++
> >  include/linux/pci_ids.h                |  1 +
> >  2 files changed, 19 insertions(+)
> > 
> > diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> > index 80601e1b939e..e5e6740b635d 100644
> > --- a/drivers/pci/controller/pcie-mediatek.c
> > +++ b/drivers/pci/controller/pcie-mediatek.c
> > @@ -73,6 +73,7 @@
> >  #define PCIE_MSI_VECTOR		0x0c0
> >  
> >  #define PCIE_CONF_VEND_ID	0x100
> > +#define PCIE_CONF_DEVICE_ID	0x102
> >  #define PCIE_CONF_CLASS_ID	0x106
> >  
> >  #define PCIE_INT_MASK		0x420
> > @@ -141,12 +142,16 @@ struct mtk_pcie_port;
> >  /**
> >   * struct mtk_pcie_soc - differentiate between host generations
> >   * @need_fix_class_id: whether this host's class ID needed to be fixed or not
> > + * @need_fix_device_id: whether this host's Device ID needed to be fixed or not
> > + * @device_id: Device ID which this host need to be fixed
> >   * @ops: pointer to configuration access functions
> >   * @startup: pointer to controller setting functions
> >   * @setup_irq: pointer to initialize IRQ functions
> >   */
> >  struct mtk_pcie_soc {
> >  	bool need_fix_class_id;
> > +	bool need_fix_device_id;
> > +	unsigned int device_id;
> >  	struct pci_ops *ops;
> >  	int (*startup)(struct mtk_pcie_port *port);
> >  	int (*setup_irq)(struct mtk_pcie_port *port, struct device_node *node);
> > @@ -696,6 +701,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
> >  		writew(val, port->base + PCIE_CONF_CLASS_ID);
> >  	}
> >  
> > +	if (soc->need_fix_device_id)
> > +		writew(soc->device_id, port->base + PCIE_CONF_DEVICE_ID);
> > +
> >  	/* 100ms timeout value should be enough for Gen1/2 training */
> >  	err = readl_poll_timeout(port->base + PCIE_LINK_STATUS_V2, val,
> >  				 !!(val & PCIE_PORT_LINKUP_V2), 20,
> > @@ -1216,11 +1224,21 @@ static const struct mtk_pcie_soc mtk_pcie_soc_mt7622 = {
> >  	.setup_irq = mtk_pcie_setup_irq,
> >  };
> >  
> > +static const struct mtk_pcie_soc mtk_pcie_soc_mt7629 = {
> > +	.need_fix_class_id = true,
> > +	.need_fix_device_id = true,
> > +	.device_id = PCI_DEVICE_ID_MEDIATEK_7629,
> > +	.ops = &mtk_pcie_ops_v2,
> > +	.startup = mtk_pcie_startup_port_v2,
> > +	.setup_irq = mtk_pcie_setup_irq,
> > +};
> > +
> >  static const struct of_device_id mtk_pcie_ids[] = {
> >  	{ .compatible = "mediatek,mt2701-pcie", .data = &mtk_pcie_soc_v1 },
> >  	{ .compatible = "mediatek,mt7623-pcie", .data = &mtk_pcie_soc_v1 },
> >  	{ .compatible = "mediatek,mt2712-pcie", .data = &mtk_pcie_soc_mt2712 },
> >  	{ .compatible = "mediatek,mt7622-pcie", .data = &mtk_pcie_soc_mt7622 },
> > +	{ .compatible = "mediatek,mt7629-pcie", .data = &mtk_pcie_soc_mt7629 },
> >  	{},
> >  };
> >  
> > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> > index 70e86148cb1e..aa32962759b2 100644
> > --- a/include/linux/pci_ids.h
> > +++ b/include/linux/pci_ids.h
> > @@ -2131,6 +2131,7 @@
> >  #define PCI_VENDOR_ID_MYRICOM		0x14c1
> >  
> >  #define PCI_VENDOR_ID_MEDIATEK		0x14c3
> > +#define PCI_DEVICE_ID_MEDIATEK_7629	0x7629
> >  
> >  #define PCI_VENDOR_ID_TITAN		0x14D2
> >  #define PCI_DEVICE_ID_TITAN_010L	0x8001
> 
> Hi Bjorn & Lorenzo,
> 
> Is this patch ok or is there anything I need to fixed?

We are getting to it shortly, thanks for your patience.

Lorenzo

Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629

[Lorenzo Pieralisi]

[trim the CC list please to keep only required maintainers]

On Mon, Jul 29, 2019 at 03:38:38PM +0800, Jianjun Wang wrote:
> On Fri, 2019-06-28 at 15:34 +0800, Jianjun Wang wrote:
> > MT7629 is an ARM platform SoC which has the same PCIe IP with MT7622.
> > 
> > The HW default value of its Device ID is invalid, fix its Device ID to
> > match the hardware implementation.
> > 
> > Acked-by: Ryder Lee <ryder.lee@mediatek.com>
> > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> > ---
> >  drivers/pci/controller/pcie-mediatek.c | 18 ++++++++++++++++++
> >  include/linux/pci_ids.h                |  1 +
> >  2 files changed, 19 insertions(+)
> > 
> > diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> > index 80601e1b939e..e5e6740b635d 100644
> > --- a/drivers/pci/controller/pcie-mediatek.c
> > +++ b/drivers/pci/controller/pcie-mediatek.c
> > @@ -73,6 +73,7 @@
> >  #define PCIE_MSI_VECTOR		0x0c0
> >  
> >  #define PCIE_CONF_VEND_ID	0x100
> > +#define PCIE_CONF_DEVICE_ID	0x102
> >  #define PCIE_CONF_CLASS_ID	0x106
> >  
> >  #define PCIE_INT_MASK		0x420
> > @@ -141,12 +142,16 @@ struct mtk_pcie_port;
> >  /**
> >   * struct mtk_pcie_soc - differentiate between host generations
> >   * @need_fix_class_id: whether this host's class ID needed to be fixed or not
> > + * @need_fix_device_id: whether this host's Device ID needed to be fixed or not
> > + * @device_id: Device ID which this host need to be fixed
> >   * @ops: pointer to configuration access functions
> >   * @startup: pointer to controller setting functions
> >   * @setup_irq: pointer to initialize IRQ functions
> >   */
> >  struct mtk_pcie_soc {
> >  	bool need_fix_class_id;
> > +	bool need_fix_device_id;
> > +	unsigned int device_id;
> >  	struct pci_ops *ops;
> >  	int (*startup)(struct mtk_pcie_port *port);
> >  	int (*setup_irq)(struct mtk_pcie_port *port, struct device_node *node);
> > @@ -696,6 +701,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
> >  		writew(val, port->base + PCIE_CONF_CLASS_ID);
> >  	}
> >  
> > +	if (soc->need_fix_device_id)
> > +		writew(soc->device_id, port->base + PCIE_CONF_DEVICE_ID);
> > +
> >  	/* 100ms timeout value should be enough for Gen1/2 training */
> >  	err = readl_poll_timeout(port->base + PCIE_LINK_STATUS_V2, val,
> >  				 !!(val & PCIE_PORT_LINKUP_V2), 20,
> > @@ -1216,11 +1224,21 @@ static const struct mtk_pcie_soc mtk_pcie_soc_mt7622 = {
> >  	.setup_irq = mtk_pcie_setup_irq,
> >  };
> >  
> > +static const struct mtk_pcie_soc mtk_pcie_soc_mt7629 = {
> > +	.need_fix_class_id = true,
> > +	.need_fix_device_id = true,
> > +	.device_id = PCI_DEVICE_ID_MEDIATEK_7629,
> > +	.ops = &mtk_pcie_ops_v2,
> > +	.startup = mtk_pcie_startup_port_v2,
> > +	.setup_irq = mtk_pcie_setup_irq,
> > +};
> > +
> >  static const struct of_device_id mtk_pcie_ids[] = {
> >  	{ .compatible = "mediatek,mt2701-pcie", .data = &mtk_pcie_soc_v1 },
> >  	{ .compatible = "mediatek,mt7623-pcie", .data = &mtk_pcie_soc_v1 },
> >  	{ .compatible = "mediatek,mt2712-pcie", .data = &mtk_pcie_soc_mt2712 },
> >  	{ .compatible = "mediatek,mt7622-pcie", .data = &mtk_pcie_soc_mt7622 },
> > +	{ .compatible = "mediatek,mt7629-pcie", .data = &mtk_pcie_soc_mt7629 },
> >  	{},
> >  };
> >  
> > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> > index 70e86148cb1e..aa32962759b2 100644
> > --- a/include/linux/pci_ids.h
> > +++ b/include/linux/pci_ids.h
> > @@ -2131,6 +2131,7 @@
> >  #define PCI_VENDOR_ID_MYRICOM		0x14c1
> >  
> >  #define PCI_VENDOR_ID_MEDIATEK		0x14c3
> > +#define PCI_DEVICE_ID_MEDIATEK_7629	0x7629
> >  
> >  #define PCI_VENDOR_ID_TITAN		0x14D2
> >  #define PCI_DEVICE_ID_TITAN_010L	0x8001
> 
> Hi Bjorn & Lorenzo,
> 
> Is this patch ok or is there anything I need to fixed?

The commit log need to be fixed and I will do it, the code if
Bjorn is OK with it I can merge it.

Lorenzo

Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629

[Andrew Murray]

On Mon, Jul 29, 2019 at 03:38:38PM +0800, Jianjun Wang wrote:
> On Fri, 2019-06-28 at 15:34 +0800, Jianjun Wang wrote:
> > MT7629 is an ARM platform SoC which has the same PCIe IP with MT7622.
> > 
> > The HW default value of its Device ID is invalid, fix its Device ID to
> > match the hardware implementation.
> > 
> > Acked-by: Ryder Lee <ryder.lee@mediatek.com>
> > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> > ---
> >  drivers/pci/controller/pcie-mediatek.c | 18 ++++++++++++++++++
> >  include/linux/pci_ids.h                |  1 +
> >  2 files changed, 19 insertions(+)
> > 
> > diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> > index 80601e1b939e..e5e6740b635d 100644
> > --- a/drivers/pci/controller/pcie-mediatek.c
> > +++ b/drivers/pci/controller/pcie-mediatek.c
> > @@ -73,6 +73,7 @@
> >  #define PCIE_MSI_VECTOR		0x0c0
> >  
> >  #define PCIE_CONF_VEND_ID	0x100
> > +#define PCIE_CONF_DEVICE_ID	0x102
> >  #define PCIE_CONF_CLASS_ID	0x106
> >  
> >  #define PCIE_INT_MASK		0x420
> > @@ -141,12 +142,16 @@ struct mtk_pcie_port;
> >  /**
> >   * struct mtk_pcie_soc - differentiate between host generations
> >   * @need_fix_class_id: whether this host's class ID needed to be fixed or not
> > + * @need_fix_device_id: whether this host's Device ID needed to be fixed or not
> > + * @device_id: Device ID which this host need to be fixed

Really trivial nit: s/Device ID/device ID/ to be consistent with class ID above it.

Either way:

Reviewed-by: Andrew Murray <andrew.murray@arm.com>


> >   * @ops: pointer to configuration access functions
> >   * @startup: pointer to controller setting functions
> >   * @setup_irq: pointer to initialize IRQ functions
> >   */
> >  struct mtk_pcie_soc {
> >  	bool need_fix_class_id;
> > +	bool need_fix_device_id;
> > +	unsigned int device_id;
> >  	struct pci_ops *ops;
> >  	int (*startup)(struct mtk_pcie_port *port);
> >  	int (*setup_irq)(struct mtk_pcie_port *port, struct device_node *node);
> > @@ -696,6 +701,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
> >  		writew(val, port->base + PCIE_CONF_CLASS_ID);
> >  	}
> >  
> > +	if (soc->need_fix_device_id)
> > +		writew(soc->device_id, port->base + PCIE_CONF_DEVICE_ID);
> > +
> >  	/* 100ms timeout value should be enough for Gen1/2 training */
> >  	err = readl_poll_timeout(port->base + PCIE_LINK_STATUS_V2, val,
> >  				 !!(val & PCIE_PORT_LINKUP_V2), 20,
> > @@ -1216,11 +1224,21 @@ static const struct mtk_pcie_soc mtk_pcie_soc_mt7622 = {
> >  	.setup_irq = mtk_pcie_setup_irq,
> >  };
> >  
> > +static const struct mtk_pcie_soc mtk_pcie_soc_mt7629 = {
> > +	.need_fix_class_id = true,
> > +	.need_fix_device_id = true,
> > +	.device_id = PCI_DEVICE_ID_MEDIATEK_7629,
> > +	.ops = &mtk_pcie_ops_v2,
> > +	.startup = mtk_pcie_startup_port_v2,
> > +	.setup_irq = mtk_pcie_setup_irq,
> > +};
> > +
> >  static const struct of_device_id mtk_pcie_ids[] = {
> >  	{ .compatible = "mediatek,mt2701-pcie", .data = &mtk_pcie_soc_v1 },
> >  	{ .compatible = "mediatek,mt7623-pcie", .data = &mtk_pcie_soc_v1 },
> >  	{ .compatible = "mediatek,mt2712-pcie", .data = &mtk_pcie_soc_mt2712 },
> >  	{ .compatible = "mediatek,mt7622-pcie", .data = &mtk_pcie_soc_mt7622 },
> > +	{ .compatible = "mediatek,mt7629-pcie", .data = &mtk_pcie_soc_mt7629 },
> >  	{},
> >  };
> >  
> > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> > index 70e86148cb1e..aa32962759b2 100644
> > --- a/include/linux/pci_ids.h
> > +++ b/include/linux/pci_ids.h
> > @@ -2131,6 +2131,7 @@
> >  #define PCI_VENDOR_ID_MYRICOM		0x14c1
> >  
> >  #define PCI_VENDOR_ID_MEDIATEK		0x14c3
> > +#define PCI_DEVICE_ID_MEDIATEK_7629	0x7629
> >  
> >  #define PCI_VENDOR_ID_TITAN		0x14D2
> >  #define PCI_DEVICE_ID_TITAN_010L	0x8001
> 
> Hi Bjorn & Lorenzo,
> 
> Is this patch ok or is there anything I need to fixed?
> 
> Thanks.
> 
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629

[Bjorn Helgaas]

On Tue, Aug 6, 2019 at 11:24 AM Lorenzo Pieralisi
<lorenzo.pieralisi@arm.com> wrote:
>
> [trim the CC list please to keep only required maintainers]
>
> On Mon, Jul 29, 2019 at 03:38:38PM +0800, Jianjun Wang wrote:
> > On Fri, 2019-06-28 at 15:34 +0800, Jianjun Wang wrote:
> > > MT7629 is an ARM platform SoC which has the same PCIe IP with MT7622.
> > >
> > > The HW default value of its Device ID is invalid, fix its Device ID to
> > > match the hardware implementation.
> > >
> > > Acked-by: Ryder Lee <ryder.lee@mediatek.com>
> > > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
> > > ---
> > >  drivers/pci/controller/pcie-mediatek.c | 18 ++++++++++++++++++
> > >  include/linux/pci_ids.h                |  1 +
> > >  2 files changed, 19 insertions(+)
> > >
> > > diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> > > index 80601e1b939e..e5e6740b635d 100644
> > > --- a/drivers/pci/controller/pcie-mediatek.c
> > > +++ b/drivers/pci/controller/pcie-mediatek.c
> > > @@ -73,6 +73,7 @@
> > >  #define PCIE_MSI_VECTOR            0x0c0
> > >
> > >  #define PCIE_CONF_VEND_ID  0x100
> > > +#define PCIE_CONF_DEVICE_ID        0x102
> > >  #define PCIE_CONF_CLASS_ID 0x106
> > >
> > >  #define PCIE_INT_MASK              0x420
> > > @@ -141,12 +142,16 @@ struct mtk_pcie_port;
> > >  /**
> > >   * struct mtk_pcie_soc - differentiate between host generations
> > >   * @need_fix_class_id: whether this host's class ID needed to be fixed or not
> > > + * @need_fix_device_id: whether this host's Device ID needed to be fixed or not
> > > + * @device_id: Device ID which this host need to be fixed
> > >   * @ops: pointer to configuration access functions
> > >   * @startup: pointer to controller setting functions
> > >   * @setup_irq: pointer to initialize IRQ functions
> > >   */
> > >  struct mtk_pcie_soc {
> > >     bool need_fix_class_id;
> > > +   bool need_fix_device_id;
> > > +   unsigned int device_id;
> > >     struct pci_ops *ops;
> > >     int (*startup)(struct mtk_pcie_port *port);
> > >     int (*setup_irq)(struct mtk_pcie_port *port, struct device_node *node);
> > > @@ -696,6 +701,9 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
> > >             writew(val, port->base + PCIE_CONF_CLASS_ID);
> > >     }
> > >
> > > +   if (soc->need_fix_device_id)
> > > +           writew(soc->device_id, port->base + PCIE_CONF_DEVICE_ID);
> > > +
> > >     /* 100ms timeout value should be enough for Gen1/2 training */
> > >     err = readl_poll_timeout(port->base + PCIE_LINK_STATUS_V2, val,
> > >                              !!(val & PCIE_PORT_LINKUP_V2), 20,
> > > @@ -1216,11 +1224,21 @@ static const struct mtk_pcie_soc mtk_pcie_soc_mt7622 = {
> > >     .setup_irq = mtk_pcie_setup_irq,
> > >  };
> > >
> > > +static const struct mtk_pcie_soc mtk_pcie_soc_mt7629 = {
> > > +   .need_fix_class_id = true,
> > > +   .need_fix_device_id = true,
> > > +   .device_id = PCI_DEVICE_ID_MEDIATEK_7629,
> > > +   .ops = &mtk_pcie_ops_v2,
> > > +   .startup = mtk_pcie_startup_port_v2,
> > > +   .setup_irq = mtk_pcie_setup_irq,
> > > +};
> > > +
> > >  static const struct of_device_id mtk_pcie_ids[] = {
> > >     { .compatible = "mediatek,mt2701-pcie", .data = &mtk_pcie_soc_v1 },
> > >     { .compatible = "mediatek,mt7623-pcie", .data = &mtk_pcie_soc_v1 },
> > >     { .compatible = "mediatek,mt2712-pcie", .data = &mtk_pcie_soc_mt2712 },
> > >     { .compatible = "mediatek,mt7622-pcie", .data = &mtk_pcie_soc_mt7622 },
> > > +   { .compatible = "mediatek,mt7629-pcie", .data = &mtk_pcie_soc_mt7629 },
> > >     {},
> > >  };
> > >
> > > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> > > index 70e86148cb1e..aa32962759b2 100644
> > > --- a/include/linux/pci_ids.h
> > > +++ b/include/linux/pci_ids.h
> > > @@ -2131,6 +2131,7 @@
> > >  #define PCI_VENDOR_ID_MYRICOM              0x14c1
> > >
> > >  #define PCI_VENDOR_ID_MEDIATEK             0x14c3
> > > +#define PCI_DEVICE_ID_MEDIATEK_7629        0x7629
> > >
> > >  #define PCI_VENDOR_ID_TITAN                0x14D2
> > >  #define PCI_DEVICE_ID_TITAN_010L   0x8001
> >
> > Hi Bjorn & Lorenzo,
> >
> > Is this patch ok or is there anything I need to fixed?
>
> The commit log need to be fixed and I will do it, the code if
> Bjorn is OK with it I can merge it.

Sure, I'm fine with this.  I don't think there's a need to add
PCI_DEVICE_ID_MEDIATEK_7629, since it's only used in one place, but
I'm fine with the code.

Re: [v2,0/2] PCI: mediatek: Add support for MT7629

[Lorenzo Pieralisi]

On Fri, Jun 28, 2019 at 03:34:23PM +0800, Jianjun Wang wrote:
> These series patches modify pcie-mediatek.c and dt-bindings compatible
> string to support MT7629 PCIe host.
> 
> Jianjun Wang (2):
>   dt-bindings: PCI: Add support for MT7629
>   PCI: mediatek: Add controller support for MT7629
> 
>  .../devicetree/bindings/pci/mediatek-pcie.txt  |  1 +
>  drivers/pci/controller/pcie-mediatek.c         | 18 ++++++++++++++++++
>  include/linux/pci_ids.h                        |  1 +
>  3 files changed, 20 insertions(+)

Applied to pci/mediatek for v5.4.

Thanks,
Lorenzo