forked from Minki/linux
2874c5fd28
Based on 1 normalized pattern(s): 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 either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* arch/powerpc/platforms/83xx/mpc834x_mds.c
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*
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* MPC834x MDS board specific routines
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*
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* Maintainer: Kumar Gala <galak@kernel.crashing.org>
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*/
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/reboot.h>
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#include <linux/pci.h>
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#include <linux/kdev_t.h>
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#include <linux/major.h>
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#include <linux/console.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <linux/root_dev.h>
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#include <linux/of_platform.h>
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#include <linux/atomic.h>
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#include <asm/time.h>
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#include <asm/io.h>
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#include <asm/machdep.h>
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#include <asm/ipic.h>
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#include <asm/irq.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <sysdev/fsl_soc.h>
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#include <sysdev/fsl_pci.h>
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#include "mpc83xx.h"
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#define BCSR5_INT_USB 0x02
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static int mpc834xemds_usb_cfg(void)
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{
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struct device_node *np;
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void __iomem *bcsr_regs = NULL;
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u8 bcsr5;
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mpc834x_usb_cfg();
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/* Map BCSR area */
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np = of_find_node_by_name(NULL, "bcsr");
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if (np) {
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struct resource res;
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of_address_to_resource(np, 0, &res);
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bcsr_regs = ioremap(res.start, resource_size(&res));
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of_node_put(np);
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}
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if (!bcsr_regs)
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return -1;
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/*
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* if Processor Board is plugged into PIB board,
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* force to use the PHY on Processor Board
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*/
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bcsr5 = in_8(bcsr_regs + 5);
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if (!(bcsr5 & BCSR5_INT_USB))
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out_8(bcsr_regs + 5, (bcsr5 | BCSR5_INT_USB));
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iounmap(bcsr_regs);
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return 0;
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}
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/* ************************************************************************
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*
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* Setup the architecture
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*
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*/
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static void __init mpc834x_mds_setup_arch(void)
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{
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mpc83xx_setup_arch();
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mpc834xemds_usb_cfg();
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}
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machine_device_initcall(mpc834x_mds, mpc83xx_declare_of_platform_devices);
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/*
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* Called very early, MMU is off, device-tree isn't unflattened
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*/
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static int __init mpc834x_mds_probe(void)
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{
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return of_machine_is_compatible("MPC834xMDS");
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}
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define_machine(mpc834x_mds) {
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.name = "MPC834x MDS",
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.probe = mpc834x_mds_probe,
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.setup_arch = mpc834x_mds_setup_arch,
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.init_IRQ = mpc83xx_ipic_init_IRQ,
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.get_irq = ipic_get_irq,
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.restart = mpc83xx_restart,
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.time_init = mpc83xx_time_init,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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