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Commit f2a44393 authored by Mike Rapoport's avatar Mike Rapoport Committed by Colin Cross
Browse files

tegra: harmony: enable PCI Express 



Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
CC: Olof Johansson <olof@lixom.net>
CC: Gary King <GKing@nvidia.com>
Signed-off-by: default avatarColin Cross <ccross@android.com>
parent 77ffc146

arch/arm/mach-tegra/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -18,3 +18,4 @@ 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

arch/arm/mach-tegra/board-harmony-pcie.c

0 → 100644
+57 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-tegra/board-harmony-pcie.c

 *

 * Copyright (C) 2010 CompuLab, Ltd.

 * Mike Rapoport <mike@compulab.co.il>

 *

 * 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 <asm/mach-types.h>



#include <mach/pinmux.h>

#include "board.h"



#ifdef CONFIG_TEGRA_PCI



static int __init harmony_pcie_init(void)

{

	int err;



	if (!machine_is_harmony())

		return 0;



	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);



#endif