[U-Boot] [USB EHCI V2 PATCH 0/2] Add initial support for USB ehci pci
Remy Bohmer
linux at bohmer.net
Sun Jan 4 21:05:44 CET 2009
Hello Michael,
2008/12/31 Michael Trimarchi <trimarchi at gandalf.sssup.it>:
> Add USB ehci pci support. This patch doesn't include any
> pci_ids and it is not tested on real hardware.
>
> Signed-off-by: Michael Trimarchi <trimarchimichael at yahoo.it>
I applied this series to the u-boot-usb 'testing' branch.
When it compiles properly, I move it to the 'next' branch for the next
U-boot release.
Thanks.
Remy
>
> ---
> drivers/usb/Makefile | 1 +
> drivers/usb/usb_ehci_pci.c | 64 ++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 65 insertions(+), 0 deletions(-)
> create mode 100644 drivers/usb/usb_ehci_pci.c
>
> diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
> index 6ba154b..26189b6 100644
> --- a/drivers/usb/Makefile
> +++ b/drivers/usb/Makefile
> @@ -35,6 +35,7 @@ COBJS-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
> COBJS-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
> COBJS-$(CONFIG_USB_SL811HS) += sl811_usb.o
> COBJS-$(CONFIG_USB_EHCI_FSL) += usb_ehci_fsl.o
> +COBJS-$(CONFIG_USB_EHCI_PCI) += usb_ehci_pci.o
>
> # device
> ifdef CONFIG_USB_DEVICE
> diff --git a/drivers/usb/usb_ehci_pci.c b/drivers/usb/usb_ehci_pci.c
> new file mode 100644
> index 0000000..3e7143c
> --- /dev/null
> +++ b/drivers/usb/usb_ehci_pci.c
> @@ -0,0 +1,64 @@
> +/*-
> + * Copyright (c) 2007-2008, Juniper Networks, Inc.
> + * All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation version 2 of
> + * the License.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#include <common.h>
> +#include <pci.h>
> +#include <usb.h>
> +#include "usb_ehci.h"
> +#include "usb_ehci_core.h"
> +
> +#ifdef CONFIG_PCI_EHCI_DEVICE
> +static struct pci_device_id ehci_pci_ids[] = {
> + /* Please add supported PCI EHCI controller ids here */
> + {0, 0}
> +};
> +#endif
> +
> +/*
> + * Create the appropriate control structures to manage
> + * a new EHCI host controller.
> + */
> +int ehci_hcd_init(void)
> +{
> + pci_dev_t pdev;
> + uint32_t addr;
> +
> + pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
> + if (pdev == -1) {
> + printf("EHCI host controller not found\n");
> + return -1;
> + }
> +
> + pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &addr);
> + hccr = (struct ehci_hccr *)addr;
> + hcor = (struct ehci_hcor *)((uint32_t) hccr +
> + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> +
> + return 0;
> +}
> +
> +/*
> + * Destroy the appropriate control structures corresponding
> + * the the EHCI host controller.
> + */
> +int ehci_hcd_stop(void)
> +{
> + return 0;
> +}
> --
> 1.5.6.5
>
>
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