kernel/linux/arch/ppc/platforms/pq2ads_setup.c

   1 /*
   2  * arch/ppc/platforms/pq2ads_setup.c
   3  *
   4  * PQ2ADS platform support
   5  *
   6  * Author: Kumar Gala <kumar.gala@freescale.com>
   7  * Derived from: est8260_setup.c by Allen Curtis
   8  *
   9  * Copyright 2004 Freescale Semiconductor, Inc.
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  */
  16
  17 #include <linux/config.h>
  18 #include <linux/seq_file.h>
  19
  20 #include <asm/mpc8260.h>
  21 #include <asm/machdep.h>
  22
  23 static void (*callback_setup_arch)(void);
  24
  25 extern unsigned char __res[sizeof(bd_t)];
  26
  27 extern void m8260_init(unsigned long r3, unsigned long r4,
  28         unsigned long r5, unsigned long r6, unsigned long r7);
  29
  30 static int
  31 pq2ads_show_cpuinfo(struct seq_file *m)
  32 {
  33         bd_t    *binfo = (bd_t *)__res;
  34
  35         seq_printf(m, "vendor\t\t: Motorola\n"
  36                       "machine\t\t: PQ2 ADS PowerPC\n"
  37                       "\n"
  38                       "mem size\t\t: 0x%08lx\n"
  39                       "console baud\t\t: %ld\n"
  40                       "\n",
  41                       binfo->bi_memsize,
  42                       binfo->bi_baudrate);
  43         return 0;
  44 }
  45
  46 static void __init
  47 pq2ads_setup_arch(void)
  48 {
  49         printk("PQ2 ADS Port\n");
  50         callback_setup_arch();
  51         *(volatile uint *)(BCSR_ADDR + 4) &= ~BCSR1_RS232_EN2;
  52 }
  53
  54 void __init
  55 platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  56               unsigned long r6, unsigned long r7)
  57 {
  58         /* Generic 8260 platform initialization */
  59         m8260_init(r3, r4, r5, r6, r7);
  60
  61         /* Anything special for this platform */
  62         ppc_md.show_cpuinfo     = pq2ads_show_cpuinfo;
  63
  64         callback_setup_arch     = ppc_md.setup_arch;
  65         ppc_md.setup_arch       = pq2ads_setup_arch;
  66 }