[U-Boot] [PATCH v3 6/8] dm: x86: Add a driver for Intel PCH9

[Bin Meng]

Hi Simon,

On Sun, Dec 20, 2015 at 6:42 AM, Simon Glass <sjg at chromium.org> wrote:
> At some point we may need to distinguish between different types of PCHs,
> but for existing supported platforms we only need to worry about version 7
> and version 9 bridges. Add a driver for the PCH9.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v3: None
> Changes in v2:
> - Rename the PCH functions
> - Update the get_version() handle to use an enum
>
>  drivers/pch/Makefile |  1 +
>  drivers/pch/pch9.c   | 43 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 44 insertions(+)
>  create mode 100644 drivers/pch/pch9.c
>
> diff --git a/drivers/pch/Makefile b/drivers/pch/Makefile
> index 33aa727..dde9e86 100644
> --- a/drivers/pch/Makefile
> +++ b/drivers/pch/Makefile
> @@ -4,3 +4,4 @@
>
>  obj-y += pch-uclass.o
>  obj-y += pch7.o
> +obj-y += pch9.o
> diff --git a/drivers/pch/pch9.c b/drivers/pch/pch9.c
> new file mode 100644
> index 0000000..529cb02
> --- /dev/null
> +++ b/drivers/pch/pch9.c
> @@ -0,0 +1,43 @@
> +/*
> + * Copyright (C) 2014 Google, Inc
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <dm.h>
> +#include <pch.h>
> +
> +#define SBASE_ADDR     0x54
> +
> +static int pch9_get_sbase(struct udevice *dev, ulong *sbasep)
> +{
> +       uint32_t sbase_addr;
> +
> +       dm_pci_read_config32(dev, SBASE_ADDR, &sbase_addr);
> +       *sbasep = sbase_addr & 0xfffffe00;
> +
> +       return 0;
> +}
> +
> +static enum pch_version pch9_get_version(struct udevice *dev)
> +{
> +       return PCHV_9;
> +}
> +
> +static const struct pch_ops pch9_ops = {
> +       .get_sbase      = pch9_get_sbase,
> +       .get_version    = pch9_get_version,

No set_spi_protect() op implementation?

> +};
> +
> +static const struct udevice_id pch9_ids[] = {
> +       { .compatible = "intel,pch9" },
> +       { }
> +};
> +
> +U_BOOT_DRIVER(pch9_drv) = {
> +       .name           = "intel-pch9",
> +       .id             = UCLASS_PCH,
> +       .of_match       = pch9_ids,
> +       .ops            = &pch9_ops,
> +};
> --

Regards,
Bin