2024-09-09 08:52:07 +00:00
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/*
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* Sam440ep board specific routines based off bamboo.c code
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* original copyrights below
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*
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* Wade Farnsworth <wfarnsworth@mvista.com>
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* Copyright 2004 MontaVista Software Inc.
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*
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* Rewritten and ported to the merged powerpc tree:
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* Josh Boyer <jwboyer@linux.vnet.ibm.com>
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* Copyright 2007 IBM Corporation
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*
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* Modified from bamboo.c for sam440ep:
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* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
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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/init.h>
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#include <linux/of_platform.h>
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#include <asm/machdep.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <asm/time.h>
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#include <asm/uic.h>
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#include <asm/pci-bridge.h>
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#include <asm/ppc4xx.h>
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#include <linux/i2c.h>
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2024-09-09 08:57:42 +00:00
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static const struct of_device_id sam440ep_of_bus[] __initconst = {
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2024-09-09 08:52:07 +00:00
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{ .compatible = "ibm,plb4", },
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{ .compatible = "ibm,opb", },
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{ .compatible = "ibm,ebc", },
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{},
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};
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static int __init sam440ep_device_probe(void)
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{
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of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
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return 0;
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}
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machine_device_initcall(sam440ep, sam440ep_device_probe);
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static int __init sam440ep_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, "acube,sam440ep"))
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return 0;
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pci_set_flags(PCI_REASSIGN_ALL_RSRC);
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return 1;
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}
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define_machine(sam440ep) {
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.name = "Sam440ep",
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.probe = sam440ep_probe,
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.progress = udbg_progress,
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.init_IRQ = uic_init_tree,
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.get_irq = uic_get_irq,
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.restart = ppc4xx_reset_system,
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.calibrate_decr = generic_calibrate_decr,
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};
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static struct i2c_board_info sam440ep_rtc_info = {
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.type = "m41st85",
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.addr = 0x68,
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.irq = -1,
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};
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static int sam440ep_setup_rtc(void)
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{
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return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
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}
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machine_device_initcall(sam440ep, sam440ep_setup_rtc);
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