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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>
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2010-2011, 2013 Freescale Semiconductor, Inc.
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*
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* Author: Roy Zang <tie-fei.zang@freescale.com>
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*
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* Description:
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* P1023 RDB Board Setup
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*/
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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/pci.h>
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#include <linux/delay.h>
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#include <linux/module.h>
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#include <linux/fsl_devices.h>
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#include <linux/of_platform.h>
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#include <linux/of_device.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 <mm/mmu_decl.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <asm/mpic.h>
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#include "smp.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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/* ************************************************************************
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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 mpc85xx_rdb_setup_arch(void)
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{
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struct device_node *np;
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if (ppc_md.progress)
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ppc_md.progress("p1023_rdb_setup_arch()", 0);
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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 != NULL) {
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static u8 __iomem *bcsr_regs;
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bcsr_regs = of_iomap(np, 0);
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of_node_put(np);
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if (!bcsr_regs) {
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printk(KERN_ERR
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"BCSR: Failed to map bcsr register space\n");
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return;
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} else {
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#define BCSR15_I2C_BUS0_SEG_CLR 0x07
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#define BCSR15_I2C_BUS0_SEG2 0x02
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/*
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* Note: Accessing exclusively i2c devices.
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*
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* The i2c controller selects initially ID EEPROM in the u-boot;
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* but if menu configuration selects RTC support in the kernel,
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* the i2c controller switches to select RTC chip in the kernel.
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*/
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#ifdef CONFIG_RTC_CLASS
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/* Enable RTC chip on the segment #2 of i2c */
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clrbits8(&bcsr_regs[15], BCSR15_I2C_BUS0_SEG_CLR);
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setbits8(&bcsr_regs[15], BCSR15_I2C_BUS0_SEG2);
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#endif
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iounmap(bcsr_regs);
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}
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}
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mpc85xx_smp_init();
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fsl_pci_assign_primary();
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}
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machine_arch_initcall(p1023_rdb, mpc85xx_common_publish_devices);
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static void __init mpc85xx_rdb_pic_init(void)
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{
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struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
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MPIC_SINGLE_DEST_CPU,
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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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}
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static int __init p1023_rdb_probe(void)
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{
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return of_machine_is_compatible("fsl,P1023RDB");
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}
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define_machine(p1023_rdb) {
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.name = "P1023 RDB",
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.probe = p1023_rdb_probe,
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.setup_arch = mpc85xx_rdb_setup_arch,
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.init_IRQ = mpc85xx_rdb_pic_init,
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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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#ifdef CONFIG_PCI
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.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
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.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
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#endif
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};
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