* Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629
2019-07-29 7:38 ` Jianjun Wang
@ 2019-07-29 15:33 ` Lorenzo Pieralisi
2019-08-06 16:24 ` Lorenzo Pieralisi
2019-08-06 16:33 ` Andrew Murray
2 siblings, 0 replies; 9+ messages in thread
From: Lorenzo Pieralisi @ 2019-07-29 15:33 UTC (permalink / raw)
To: Jianjun Wang
Cc: Bjorn Helgaas, Ryder Lee, Rob Herring, Mark Rutland,
Matthias Brugger, linux-pci, linux-mediatek, devicetree,
linux-kernel, linux-arm-kernel, youlin.pei
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
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629
2019-07-29 7:38 ` Jianjun Wang
2019-07-29 15:33 ` Lorenzo Pieralisi
@ 2019-08-06 16:24 ` Lorenzo Pieralisi
2019-08-06 19:50 ` Bjorn Helgaas
2019-08-06 16:33 ` Andrew Murray
2 siblings, 1 reply; 9+ messages in thread
From: Lorenzo Pieralisi @ 2019-08-06 16:24 UTC (permalink / raw)
To: Jianjun Wang, Bjorn Helgaas
Cc: Ryder Lee, Rob Herring, Mark Rutland, Matthias Brugger,
linux-pci, linux-mediatek, devicetree, linux-kernel,
linux-arm-kernel, youlin.pei
[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
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629
2019-08-06 16:24 ` Lorenzo Pieralisi
@ 2019-08-06 19:50 ` Bjorn Helgaas
0 siblings, 0 replies; 9+ messages in thread
From: Bjorn Helgaas @ 2019-08-06 19:50 UTC (permalink / raw)
To: Lorenzo Pieralisi
Cc: Jianjun Wang, Ryder Lee, Rob Herring, Mark Rutland,
Matthias Brugger, Linux PCI, linux-mediatek, devicetree,
Linux Kernel Mailing List, linux-arm, youlin.pei
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.
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [v2,2/2] PCI: mediatek: Add controller support for MT7629
2019-07-29 7:38 ` Jianjun Wang
2019-07-29 15:33 ` Lorenzo Pieralisi
2019-08-06 16:24 ` Lorenzo Pieralisi
@ 2019-08-06 16:33 ` Andrew Murray
2 siblings, 0 replies; 9+ messages in thread
From: Andrew Murray @ 2019-08-06 16:33 UTC (permalink / raw)
To: Jianjun Wang
Cc: Bjorn Helgaas, Lorenzo Pieralisi, Ryder Lee, Mark Rutland,
devicetree, linux-pci, youlin.pei, linux-kernel, Rob Herring,
linux-mediatek, Matthias Brugger, linux-arm-kernel
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
^ permalink raw reply [flat|nested] 9+ messages in thread