LXR uboot/board/trizepsiv/conxs.c

   1/*
   2 * (C) Copyright 2007
   3 * Stefano Babic, DENX Gmbh, sbabic@denx.de
   4 *
   5 * (C) Copyright 2004
   6 * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
   7 *
   8 * (C) Copyright 2002
   9 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
  10 *
  11 * (C) Copyright 2002
  12 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  13 * Marius Groeger <mgroeger@sysgo.de>
  14 *
  15 * See file CREDITS for list of people who contributed to this
  16 * project.
  17 *
  18 * This program is free software; you can redistribute it and/or
  19 * modify it under the terms of the GNU General Public License as
  20 * published by the Free Software Foundation; either version 2 of
  21 * the License, or (at your option) any later version.
  22 *
  23 * This program is distributed in the hope that it will be useful,
  24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26 * GNU General Public License for more details.
  27 *
  28 * You should have received a copy of the GNU General Public License
  29 * along with this program; if not, write to the Free Software
  30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  31 * MA 02111-1307 USA
  32 */
  33
  34#include <common.h>
  35#include <asm/arch/pxa-regs.h>
  36
  37DECLARE_GLOBAL_DATA_PTR;
  38
  39#define         RH_A_PSM        (1 << 8)        /* power switching mode */
  40#define         RH_A_NPS        (1 << 9)        /* no power switching */
  41
  42extern struct serial_device serial_ffuart_device;
  43extern struct serial_device serial_btuart_device;
  44extern struct serial_device serial_stuart_device;
  45
  46/* ------------------------------------------------------------------------- */
  47
  48/*
  49 * Miscelaneous platform dependent initialisations
  50 */
  51
  52void usb_board_init(void)
  53{
  54        UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
  55                ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
  56
  57        UHCHR |= UHCHR_FSBIR;
  58
  59        while (UHCHR & UHCHR_FSBIR);
  60
  61        UHCHR &= ~UHCHR_SSE;
  62        UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
  63
  64        /* Clear any OTG Pin Hold */
  65        if (PSSR & PSSR_OTGPH)
  66                PSSR |= PSSR_OTGPH;
  67
  68        UHCRHDA &= ~(RH_A_NPS);
  69        UHCRHDA |= RH_A_PSM;
  70
  71        /* Set port power control mask bits, only 3 ports. */
  72        UHCRHDB |= (0x7<<17);
  73}
  74
  75void usb_board_init_fail(void)
  76{
  77        return;
  78}
  79
  80void usb_board_stop(void)
  81{
  82        UHCHR |= UHCHR_FHR;
  83        udelay(11);
  84        UHCHR &= ~UHCHR_FHR;
  85
  86        UHCCOMS |= 1;
  87        udelay(10);
  88
  89        CKEN &= ~CKEN10_USBHOST;
  90
  91        puts("Called USB STOP\n");
  92        return;
  93}
  94
  95int board_init (void)
  96{
  97        /* memory and cpu-speed are setup before relocation */
  98        /* so we do _nothing_ here */
  99
 100        /* arch number of ConXS Board */
 101        gd->bd->bi_arch_number = 776;
 102
 103        /* adress of boot parameters */
 104        gd->bd->bi_boot_params = 0xa000003c;
 105
 106        return 0;
 107}
 108
 109int board_late_init(void)
 110{
 111#if defined(CONFIG_SERIAL_MULTI)
 112        char *console=getenv("boot_console");
 113
 114        if ((strcmp(console,"serial_btuart") == 0) ||
 115                (strcmp(console,"serial_stuart") == 0) ||
 116                (strcmp(console,"serial_ffuart") == 0)) {
 117                        setenv("stdout",console);
 118                        setenv("stdin", console);
 119                        setenv("stderr",console);
 120        } else {
 121                setenv("stdout", "serial");
 122                setenv("stdin", "serial");
 123                setenv("stderr", "serial");
 124        }
 125#endif
 126        return 0;
 127}
 128
 129struct serial_device *default_serial_console (void)
 130{
 131        return &serial_ffuart_device;
 132}
 133
 134int dram_init (void)
 135{
 136        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 137        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 138        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
 139        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
 140        gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
 141        gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
 142        gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
 143        gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
 144
 145        return 0;
 146}
 147