On Tue, Sep 21, 2010 at 02:17:52PM +0200, Mike Rapoport wrote:
> Signed-off-by: Mike Rapoport <mike@xxxxxxxxxxxxxx>
> CC: Colin Cross <ccross@xxxxxxxxxx>
> CC: Gary King <GKing@xxxxxxxxxx>
> ---
> arch/arm/mach-tegra/Makefile | 1 +
> arch/arm/mach-tegra/board-harmony-pcie.c | 52 ++++++++++++++++++++++++++++++
> 2 files changed, 53 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-tegra/board-harmony-pcie.c
>
> diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
> index 23c9600..60f73c7 100644
> --- a/arch/arm/mach-tegra/Makefile
> +++ b/arch/arm/mach-tegra/Makefile
> @@ -13,3 +13,4 @@ obj-$(CONFIG_TEGRA_PCI) += pcie.o
>
> obj-${CONFIG_MACH_HARMONY} += board-harmony.o
> obj-${CONFIG_MACH_HARMONY} += board-harmony-pinmux.o
> +obj-${CONFIG_MACH_HARMONY} += board-harmony-pcie.o
> diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c
> new file mode 100644
> index 0000000..824c0a1
> --- /dev/null
> +++ b/arch/arm/mach-tegra/board-harmony-pcie.c
> @@ -0,0 +1,52 @@
> +/*
> + * arch/arm/mach-tegra/board-harmony-pcie.c
> + *
> + * Copyright (C) 2010 CompuLab, Ltd.
> + * Mike Rapoport <mike@xxxxxxxxxxxxxx>
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * 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.
> + *
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/gpio.h>
> +#include <linux/err.h>
> +#include <linux/regulator/consumer.h>
> +
> +#include <mach/pinmux.h>
> +#include "board.h"
> +
> +#ifdef CONFIG_TEGRA_PCI
> +
> +static int __init harmony_pcie_init(void)
> +{
> + int err;
> +
> + tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_NORMAL);
> + tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_NORMAL);
> + tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_NORMAL);
> +
> + err = tegra_pcie_init(true, true);
> + if (err)
> + goto err_pcie;
> +
> + return 0;
> +
> +err_pcie:
> + tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_TRISTATE);
> + tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_TRISTATE);
> + tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_TRISTATE);
> +
> + return err;
> +}
> +
> +subsys_initcall(harmony_pcie_init);
Hi,
This isn't multiboard-friendly, since this will run on all boards
that are built-in. Please either check for the platform at the beginning
and abort, or call this explicitly from another board init function.
-Olof
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