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>
130 lines
2.8 KiB
C
130 lines
2.8 KiB
C
/*
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* arch/powerpc/platforms/83xx/mpc834x_mds.c
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*
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* MPC834x MDS board specific routines
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*
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* Maintainer: Kumar Gala <galak@kernel.crashing.org>
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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 <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 "mpc83xx.h"
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#define BCSR5_INT_USB 0x02
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static int mpc834xemds_usb_cfg(void)
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{
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struct device_node *np;
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void __iomem *bcsr_regs = NULL;
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u8 bcsr5;
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mpc834x_usb_cfg();
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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) {
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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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if (!bcsr_regs)
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return -1;
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/*
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* if Processor Board is plugged into PIB board,
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* force to use the PHY on Processor Board
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*/
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bcsr5 = in_8(bcsr_regs + 5);
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if (!(bcsr5 & BCSR5_INT_USB))
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out_8(bcsr_regs + 5, (bcsr5 | BCSR5_INT_USB));
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iounmap(bcsr_regs);
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return 0;
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}
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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 mpc834x_mds_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("mpc834x_mds_setup_arch()", 0);
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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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mpc834xemds_usb_cfg();
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}
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static void __init mpc834x_mds_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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}
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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 mpc834x_mds_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, "MPC834xMDS");
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}
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define_machine(mpc834x_mds) {
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.name = "MPC834x MDS",
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.probe = mpc834x_mds_probe,
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.setup_arch = mpc834x_mds_setup_arch,
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.init_IRQ = mpc834x_mds_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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