mpc834x_mds.rar_mds

/* * arch/powerpc/platforms/83xx/mpc834x_mds.c * * MPC834x MDS board specific routines * * * 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. */ #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/reboot.h> #include <linux/pci.h> #include <linux/kdev_t.h> #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> #include <asm/ipic.h> #include <asm/irq.h> #include <asm/prom.h> #include <asm/udbg.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> #include "mpc83xx.h" #define BCSR5_INT_USB 0x02 static int mpc834xemds_usb_cfg(void) { struct device_node *np; void __iomem *bcsr_regs = NULL; u8 bcsr5; mpc834x_usb_cfg(); /* Map BCSR area */ np = of_find_node_by_name(NULL, "bcsr"); if (np) { struct resource res; of_address_to_resource(np, 0, &res); bcsr_regs = ioremap(res.start, res.end - res.start + 1); of_node_put(np); } if (!bcsr_regs) return -1; /* * if Processor Board is plugged into PIB board, * force to use the PHY on Processor Board */ bcsr5 = in_8(bcsr_regs + 5); if (!(bcsr5 & BCSR5_INT_USB)) out_8(bcsr_regs + 5, (bcsr5 | BCSR5_INT_USB)); iounmap(bcsr_regs); return 0; } /* ************************************************************************ * * Setup the architecture * */ static void __init mpc834x_mds_setup_arch(void) { #ifdef CONFIG_PCI struct device_node *np; #endif if (ppc_md.progress) ppc_md.progress("mpc834x_mds_setup_arch()", 0); #ifdef CONFIG_PCI for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") mpc83xx_add_bridge(np); #endif mpc834xemds_usb_cfg(); } static void __init mpc834x_mds_init_IRQ(void) { struct device_node *np; np = of_find_node_by_type(NULL, "ipic"); if (!np) return; ipic_init(np, 0); /* Initialize the default interrupt mapping priorities, * in case the boot rom changed something on us. */ ipic_set_default_priority(); } static struct of_device_id mpc834x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus", }, { .compatible = "gianfar", }, {}, }; static int __init mpc834x_declare_of_platform_devices(void) { of_platform_bus_probe(NULL, mpc834x_ids, NULL); return 0; } machine_device_initcall(mpc834x_mds, mpc834x_declare_of_platform_devices); /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init mpc834x_mds_probe(void) { unsigned long root = of_get_flat_dt_root(); return of_flat_dt_is_compatible(root, "MPC834xMDS"); } define_machine(mpc834x_mds) { .name = "MPC834x MDS", .probe = mpc834x_mds_probe, .setup_arch = mpc834x_mds_setup_arch, .init_IRQ = mpc834x_mds_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, };