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>
134 lines
2.8 KiB
C
134 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Based on MPC8560 ADS and arch/ppc tqm85xx ports
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*
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* Maintained by Kumar Gala (see MAINTAINERS for contact information)
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*
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* Copyright 2008 Freescale Semiconductor Inc.
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*
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* Copyright (c) 2005-2006 DENX Software Engineering
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* Stefan Roese <sr@denx.de>
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*
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* Based on original work by
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* Kumar Gala <kumar.gala@freescale.com>
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* Copyright 2004 Freescale Semiconductor Inc.
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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/pci.h>
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#include <linux/kdev_t.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <linux/of_platform.h>
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#include <asm/time.h>
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#include <asm/machdep.h>
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#include <asm/pci-bridge.h>
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#include <asm/mpic.h>
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#include <asm/prom.h>
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#include <mm/mmu_decl.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 "mpc85xx.h"
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#ifdef CONFIG_CPM2
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#include <asm/cpm2.h>
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#endif /* CONFIG_CPM2 */
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static void __init tqm85xx_pic_init(void)
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{
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struct mpic *mpic = mpic_alloc(NULL, 0,
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MPIC_BIG_ENDIAN,
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0, 256, " OpenPIC ");
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BUG_ON(mpic == NULL);
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mpic_init(mpic);
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mpc85xx_cpm2_pic_init();
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}
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/*
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* Setup the architecture
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*/
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static void __init tqm85xx_setup_arch(void)
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{
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if (ppc_md.progress)
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ppc_md.progress("tqm85xx_setup_arch()", 0);
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#ifdef CONFIG_CPM2
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cpm2_reset();
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#endif
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fsl_pci_assign_primary();
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}
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static void tqm85xx_show_cpuinfo(struct seq_file *m)
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{
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uint pvid, svid, phid1;
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pvid = mfspr(SPRN_PVR);
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svid = mfspr(SPRN_SVR);
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seq_printf(m, "Vendor\t\t: TQ Components\n");
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seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
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seq_printf(m, "SVR\t\t: 0x%x\n", svid);
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/* Display cpu Pll setting */
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phid1 = mfspr(SPRN_HID1);
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seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
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}
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static void tqm85xx_ti1520_fixup(struct pci_dev *pdev)
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{
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unsigned int val;
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/* Do not do the fixup on other platforms! */
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if (!machine_is(tqm85xx))
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return;
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dev_info(&pdev->dev, "Using TI 1520 fixup on TQM85xx\n");
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/*
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* Enable P2CCLK bit in system control register
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* to enable CLOCK output to power chip
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*/
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pci_read_config_dword(pdev, 0x80, &val);
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pci_write_config_dword(pdev, 0x80, val | (1 << 27));
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}
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520,
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tqm85xx_ti1520_fixup);
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machine_arch_initcall(tqm85xx, mpc85xx_common_publish_devices);
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static const char * const board[] __initconst = {
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"tqc,tqm8540",
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"tqc,tqm8541",
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"tqc,tqm8548",
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"tqc,tqm8555",
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"tqc,tqm8560",
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NULL
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};
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/*
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* Called very early, device-tree isn't unflattened
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*/
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static int __init tqm85xx_probe(void)
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{
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return of_device_compatible_match(of_root, board);
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}
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define_machine(tqm85xx) {
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.name = "TQM85xx",
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.probe = tqm85xx_probe,
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.setup_arch = tqm85xx_setup_arch,
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.init_IRQ = tqm85xx_pic_init,
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.show_cpuinfo = tqm85xx_show_cpuinfo,
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.get_irq = mpic_get_irq,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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