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27f49807d7
Now the rtc class ds1374 driver has been added, remove the old rtc driver hookup code, add rtc node to device trees, and turn on the new driver in the defconfigs. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
170 lines
3.7 KiB
C
170 lines
3.7 KiB
C
/*
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* Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
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*
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* Description:
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* MPC832xE MDS board specific routines.
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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/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/initrd.h>
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#include <asm/of_device.h>
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#include <asm/of_platform.h>
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#include <asm/system.h>
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#include <asm/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 <asm/qe.h>
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#include <asm/qe_ic.h>
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#include "mpc83xx.h"
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#undef DEBUG
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#ifdef DEBUG
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#define DBG(fmt...) udbg_printf(fmt)
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#else
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#define DBG(fmt...)
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#endif
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static u8 *bcsr_regs = NULL;
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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 mpc832x_sys_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("mpc832x_sys_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 != 0) {
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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, res.end - res.start +1);
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of_node_put(np);
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}
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#ifdef CONFIG_PCI
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for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
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mpc83xx_add_bridge(np);
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#endif
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#ifdef CONFIG_QUICC_ENGINE
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qe_reset();
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if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
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par_io_init(np);
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of_node_put(np);
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for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
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par_io_of_config(np);
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}
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if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
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!= NULL){
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/* Reset the Ethernet PHYs */
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#define BCSR8_FETH_RST 0x50
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bcsr_regs[8] &= ~BCSR8_FETH_RST;
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udelay(1000);
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bcsr_regs[8] |= BCSR8_FETH_RST;
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iounmap(bcsr_regs);
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of_node_put(np);
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}
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#endif /* CONFIG_QUICC_ENGINE */
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}
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static struct of_device_id mpc832x_ids[] = {
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{ .type = "soc", },
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{ .compatible = "soc", },
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{ .type = "qe", },
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{},
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};
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static int __init mpc832x_declare_of_platform_devices(void)
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{
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if (!machine_is(mpc832x_mds))
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return 0;
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/* Publish the QE devices */
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of_platform_bus_probe(NULL, mpc832x_ids, NULL);
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return 0;
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}
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device_initcall(mpc832x_declare_of_platform_devices);
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static void __init mpc832x_sys_init_IRQ(void)
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{
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struct device_node *np;
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np = of_find_node_by_type(NULL, "ipic");
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if (!np)
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return;
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ipic_init(np, 0);
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/* Initialize the default interrupt mapping priorities,
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* in case the boot rom changed something on us.
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*/
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ipic_set_default_priority();
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of_node_put(np);
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#ifdef CONFIG_QUICC_ENGINE
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np = of_find_node_by_type(NULL, "qeic");
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if (!np)
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return;
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qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
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of_node_put(np);
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#endif /* CONFIG_QUICC_ENGINE */
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}
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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 mpc832x_sys_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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return of_flat_dt_is_compatible(root, "MPC832xMDS");
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}
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define_machine(mpc832x_mds) {
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.name = "MPC832x MDS",
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.probe = mpc832x_sys_probe,
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.setup_arch = mpc832x_sys_setup_arch,
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.init_IRQ = mpc832x_sys_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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