1e76dff22c
Removed the need for asm/mpc86xx.h as it was only used in mpc86xx_smp.c and just moved the defines it cared about into there. Also fixed up the ioremap to only map the one 4k page we need access to and to iounmap when we are done. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
132 lines
2.7 KiB
C
132 lines
2.7 KiB
C
/*
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* SBC8641D board specific routines
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*
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* Copyright 2008 Wind River Systems Inc.
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*
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* By Paul Gortmaker (see MAINTAINERS for contact information)
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*
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* Based largely on the 8641 HPCN support by Freescale Semiconductor Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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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/system.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/prom.h>
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#include <mm/mmu_decl.h>
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#include <asm/udbg.h>
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#include <asm/mpic.h>
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#include <sysdev/fsl_pci.h>
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#include <sysdev/fsl_soc.h>
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#include "mpc86xx.h"
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static void __init
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sbc8641_setup_arch(void)
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{
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#ifdef CONFIG_PCI
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struct device_node *np;
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#endif
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if (ppc_md.progress)
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ppc_md.progress("sbc8641_setup_arch()", 0);
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#ifdef CONFIG_PCI
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for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie")
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fsl_add_bridge(np, 0);
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#endif
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printk("SBC8641 board from Wind River\n");
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#ifdef CONFIG_SMP
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mpc86xx_smp_init();
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#endif
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}
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static void
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sbc8641_show_cpuinfo(struct seq_file *m)
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{
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uint svid = mfspr(SPRN_SVR);
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seq_printf(m, "Vendor\t\t: Wind River Systems\n");
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seq_printf(m, "SVR\t\t: 0x%x\n", svid);
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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 sbc8641_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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if (of_flat_dt_is_compatible(root, "wind,sbc8641"))
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return 1; /* Looks good */
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return 0;
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}
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static long __init
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mpc86xx_time_init(void)
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{
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unsigned int temp;
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/* Set the time base to zero */
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mtspr(SPRN_TBWL, 0);
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mtspr(SPRN_TBWU, 0);
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temp = mfspr(SPRN_HID0);
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temp |= HID0_TBEN;
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mtspr(SPRN_HID0, temp);
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asm volatile("isync");
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return 0;
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}
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static __initdata struct of_device_id of_bus_ids[] = {
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{ .compatible = "simple-bus", },
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{ .compatible = "gianfar", },
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{},
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};
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static int __init declare_of_platform_devices(void)
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{
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of_platform_bus_probe(NULL, of_bus_ids, NULL);
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return 0;
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}
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machine_device_initcall(sbc8641, declare_of_platform_devices);
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define_machine(sbc8641) {
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.name = "SBC8641D",
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.probe = sbc8641_probe,
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.setup_arch = sbc8641_setup_arch,
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.init_IRQ = mpc86xx_init_irq,
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.show_cpuinfo = sbc8641_show_cpuinfo,
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.get_irq = mpic_get_irq,
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.restart = fsl_rstcr_restart,
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.time_init = mpc86xx_time_init,
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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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#endif
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};
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