Version:  2.0.40 2.2.26 2.4.37 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9

Linux/arch/powerpc/platforms/83xx/mpc832x_mds.c

  1 /*
  2  * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
  3  *
  4  * Description:
  5  * MPC832xE MDS board specific routines.
  6  *
  7  * This program is free software; you can redistribute  it and/or modify it
  8  * under  the terms of  the GNU General  Public License as published by the
  9  * Free Software Foundation;  either version 2 of the  License, or (at your
 10  * option) any later version.
 11  */
 12 
 13 #include <linux/stddef.h>
 14 #include <linux/kernel.h>
 15 #include <linux/init.h>
 16 #include <linux/errno.h>
 17 #include <linux/reboot.h>
 18 #include <linux/pci.h>
 19 #include <linux/kdev_t.h>
 20 #include <linux/major.h>
 21 #include <linux/console.h>
 22 #include <linux/delay.h>
 23 #include <linux/seq_file.h>
 24 #include <linux/root_dev.h>
 25 #include <linux/initrd.h>
 26 #include <linux/of_platform.h>
 27 #include <linux/of_device.h>
 28 
 29 #include <linux/atomic.h>
 30 #include <asm/time.h>
 31 #include <asm/io.h>
 32 #include <asm/machdep.h>
 33 #include <asm/ipic.h>
 34 #include <asm/irq.h>
 35 #include <asm/prom.h>
 36 #include <asm/udbg.h>
 37 #include <sysdev/fsl_soc.h>
 38 #include <sysdev/fsl_pci.h>
 39 #include <soc/fsl/qe/qe.h>
 40 #include <soc/fsl/qe/qe_ic.h>
 41 
 42 #include "mpc83xx.h"
 43 
 44 #undef DEBUG
 45 #ifdef DEBUG
 46 #define DBG(fmt...) udbg_printf(fmt)
 47 #else
 48 #define DBG(fmt...)
 49 #endif
 50 
 51 /* ************************************************************************
 52  *
 53  * Setup the architecture
 54  *
 55  */
 56 static void __init mpc832x_sys_setup_arch(void)
 57 {
 58         struct device_node *np;
 59         u8 __iomem *bcsr_regs = NULL;
 60 
 61         mpc83xx_setup_arch();
 62 
 63         /* Map BCSR area */
 64         np = of_find_node_by_name(NULL, "bcsr");
 65         if (np) {
 66                 struct resource res;
 67 
 68                 of_address_to_resource(np, 0, &res);
 69                 bcsr_regs = ioremap(res.start, resource_size(&res));
 70                 of_node_put(np);
 71         }
 72 
 73 #ifdef CONFIG_QUICC_ENGINE
 74         if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
 75                 par_io_init(np);
 76                 of_node_put(np);
 77 
 78                 for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
 79                         par_io_of_config(np);
 80         }
 81 
 82         if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
 83                         != NULL){
 84                 /* Reset the Ethernet PHYs */
 85 #define BCSR8_FETH_RST 0x50
 86                 clrbits8(&bcsr_regs[8], BCSR8_FETH_RST);
 87                 udelay(1000);
 88                 setbits8(&bcsr_regs[8], BCSR8_FETH_RST);
 89                 iounmap(bcsr_regs);
 90                 of_node_put(np);
 91         }
 92 #endif                          /* CONFIG_QUICC_ENGINE */
 93 }
 94 
 95 machine_device_initcall(mpc832x_mds, mpc83xx_declare_of_platform_devices);
 96 
 97 /*
 98  * Called very early, MMU is off, device-tree isn't unflattened
 99  */
100 static int __init mpc832x_sys_probe(void)
101 {
102         return of_machine_is_compatible("MPC832xMDS");
103 }
104 
105 define_machine(mpc832x_mds) {
106         .name           = "MPC832x MDS",
107         .probe          = mpc832x_sys_probe,
108         .setup_arch     = mpc832x_sys_setup_arch,
109         .init_IRQ       = mpc83xx_ipic_and_qe_init_IRQ,
110         .get_irq        = ipic_get_irq,
111         .restart        = mpc83xx_restart,
112         .time_init      = mpc83xx_time_init,
113         .calibrate_decr = generic_calibrate_decr,
114         .progress       = udbg_progress,
115 };
116 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us