/* * arch/powerpc/platforms/83xx/mpc837x_rdb.c * * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. * * MPC837x RDB 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/pci.h> #include <linux/of_platform.h> #include <asm/time.h> #include <asm/ipic.h> #include <asm/udbg.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> #include "mpc83xx.h" static void mpc837x_rdb_sd_cfg(void) { void __iomem *im; im = ioremap(get_immrbase(), 0x1000); if (!im) { WARN_ON(1); return; } /* * On RDB boards (in contrast to MDS) USBB pins are used for SD only, * so we can safely mux them away from the USB block. */ clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK, MPC837X_SICRL_SD); clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK, MPC837X_SICRH_SD); iounmap(im); } /* ************************************************************************ * * Setup the architecture * */ static void __init mpc837x_rdb_setup_arch(void) { #ifdef CONFIG_PCI struct device_node *np; #endif if (ppc_md.progress) ppc_md.progress("mpc837x_rdb_setup_arch()", 0); #ifdef CONFIG_PCI for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") mpc83xx_add_bridge(np); for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie") mpc83xx_add_bridge(np); #endif mpc837x_usb_cfg(); mpc837x_rdb_sd_cfg(); } static struct of_device_id mpc837x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus", }, { .compatible = "gianfar", }, { .compatible = "gpio-leds", }, {}, }; static int __init mpc837x_declare_of_platform_devices(void) { /* Publish platform_device */ of_platform_bus_probe(NULL, mpc837x_ids, NULL); return 0; } machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices); static void __init mpc837x_rdb_init_IRQ(void) { struct device_node *np; np = of_find_compatible_node(NULL, NULL, "fsl,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 const char *board[] __initdata = { "fsl,mpc8377rdb", "fsl,mpc8378rdb", "fsl,mpc8379rdb", "fsl,mpc8377wlan", NULL }; /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init mpc837x_rdb_probe(void) { return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(mpc837x_rdb) { .name = "MPC837x RDB/WLAN", .probe = mpc837x_rdb_probe, .setup_arch = mpc837x_rdb_setup_arch, .init_IRQ = mpc837x_rdb_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, };