Hi Marek
On 03/17/2017 05:41 PM, Marek Vasut wrote:
> On 03/17/2017 05:25 PM, patrice.chot...@st.com wrote:
>> From: Patrice Chotard <patrice.chot...@st.com>
>>
>> Add support for on-chip ohci controller available
>> on STMicrolectronics SoCs.
>> Ohci support will be then available on both type A
>> USB 2.0 connectors.
>>
>> Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
>> ---
>> drivers/usb/host/Kconfig | 9 +++++
>> drivers/usb/host/Makefile | 1 +
>> drivers/usb/host/ohci-sti.c | 90
>> +++++++++++++++++++++++++++++++++++++++++
>> include/configs/stih410-b2260.h | 3 ++
>> 4 files changed, 103 insertions(+)
>> create mode 100644 drivers/usb/host/ohci-sti.c
>>
>> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
>> index d66f49e..33ded5d 100644
>> --- a/drivers/usb/host/Kconfig
>> +++ b/drivers/usb/host/Kconfig
>> @@ -168,6 +168,15 @@ config USB_OHCI_GENERIC
>> ---help---
>> Enables support for generic OHCI controller.
>>
>> +config USB_OHCI_STI
>> + bool "Support for STMicroelectronics OHCI USB controller"
>> + depends on ARCH_STI
>> + depends on OF_CONTROL
>> + depends on DM_USB
>> + select USB_HOST
>> + ---help---
>> + Enables support for the on-chip OHCI controller on STMicroelectronics
>> SoCs.
>> +
>> endif # USB_OHCI_HCD
>>
>> config USB_UHCI_HCD
>> diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
>> index 303aa32..b78e632 100644
>> --- a/drivers/usb/host/Makefile
>> +++ b/drivers/usb/host/Makefile
>> @@ -22,6 +22,7 @@ obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o
>> obj-$(CONFIG_USB_OHCI_SUNXI) += ohci-sunxi.o
>> obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o
>> obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o
>> +obj-$(CONFIG_USB_OHCI_STI) += ohci-sti.o
>>
>> # echi
>> obj-$(CONFIG_USB_EHCI) += ehci-hcd.o
>> diff --git a/drivers/usb/host/ohci-sti.c b/drivers/usb/host/ohci-sti.c
>> new file mode 100644
>> index 0000000..62b63cd
>> --- /dev/null
>> +++ b/drivers/usb/host/ohci-sti.c
>> @@ -0,0 +1,90 @@
>> +/*
>> + * Copyright (c) 2017
>> + * Patrice Chotard <patrice.chot...@st.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <asm/io.h>
>> +#include <dm.h>
>> +#include <errno.h>
>> +#include "ohci.h"
>> +#include <reset-uclass.h>
>> +#include <usb.h>
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +#if !defined(CONFIG_USB_OHCI_NEW)
>> +# error "Generic OHCI driver requires CONFIG_USB_OHCI_NEW"
>> +#endif
>> +
>> +struct sti_ohci_priv {
>> + ohci_t ohci;
>> + struct reset_ctl power_ctl;
>> + struct reset_ctl softreset_ctl;
>> +};
>> +
>> +static int ohci_usb_probe(struct udevice *dev)
>> +{
>> + struct sti_ohci_priv *priv = dev_get_priv(dev);
>> + struct ohci_regs *regs;
>> + struct udevice *dev_phy;
>> + int ret, phy_node;
>> +
>> + regs = (struct ohci_regs *)dev_get_addr(dev);
>> + if (regs == (void *)FDT_ADDR_T_NONE)
>> + return -EINVAL;
>> +
>> + ret = reset_get_by_name(dev, "power", &priv->power_ctl);
>> + if (ret) {
>> + error("can't get power reset for %s (%d)", dev->name, ret);
>> + return ret;
>> + }
>> +
>> + ret = reset_get_by_name(dev, "softreset", &priv->softreset_ctl);
>> + if (ret) {
>> + error("can't get soft reset for %s (%d)", dev->name, ret);
>> + return ret;
>> + }
>> +
>> + ret = reset_deassert(&priv->power_ctl);
>> + if (ret < 0) {
>> + error("OHCI power reset deassert failed: %d", ret);
>> + return ret;
>> + }
>> +
>> + ret = reset_deassert(&priv->softreset_ctl);
>> + if (ret < 0) {
>> + error("OHCI soft reset deassert failed: %d", ret);
>> + return ret;
>> + }
>> +
>> + /* get phy node */
>> + phy_node = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset, "phys");
>> + if (phy_node <= 0) {
>> + error("Not found usb phy device\n");
>> + return -ENODEV;
>> + }
>> +
>> + /* probe associated phy node */
>> + ret = uclass_get_device_by_of_offset(UCLASS_MISC, phy_node, &dev_phy);
>> +
>> + return ohci_register(dev, regs);
>> +}
>> +
>> +static const struct udevice_id sti_usb_ids[] = {
>> + { .compatible = "st,st-ohci-300x" },
>> + { }
>> +};
>> +
>> +U_BOOT_DRIVER(ohci_sti) = {
>> + .name = "ohci_sti",
>> + .id = UCLASS_USB,
>> + .of_match = sti_usb_ids,
>> + .probe = ohci_usb_probe,
>> + .remove = ohci_deregister,
>> + .ops = &ohci_usb_ops,
>> + .priv_auto_alloc_size = sizeof(struct sti_ohci_priv),
>> + .flags = DM_FLAG_ALLOC_PRIV_DMA,
>> +};
>> diff --git a/include/configs/stih410-b2260.h
>> b/include/configs/stih410-b2260.h
>> index 28e2f7f..4a5da82 100644
>> --- a/include/configs/stih410-b2260.h
>> +++ b/include/configs/stih410-b2260.h
>> @@ -57,4 +57,7 @@
>>
>> #define CONFIG_SKIP_LOWLEVEL_INIT
>>
>> +#define CONFIG_USB_OHCI_NEW
>> +#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
>
> Is this max_root_ports still needed ? :(
Yes it's still needed
>
> btw this board-thing should likely be split into separate patch
Ok i will extract board config from this patch
>
>> #endif /* __CONFIG_H */
>>
>
>
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
