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#include <netdev.h>
  37#include <asm/io.h>
  38
  39DECLARE_GLOBAL_DATA_PTR;
  40
  41#define         RH_A_PSM        (1 << 8)        /* power switching mode */
  42#define         RH_A_NPS        (1 << 9)        /* no power switching */
  43
  44extern struct serial_device serial_ffuart_device;
  45extern struct serial_device serial_btuart_device;
  46extern struct serial_device serial_stuart_device;
  47
  48#if CONFIG_MK_POLARIS
  49#define BOOT_CONSOLE    "serial_stuart"
  50#else
  51#define BOOT_CONSOLE    "serial_ffuart"
  52#endif
  53/* ------------------------------------------------------------------------- */
  54
  55/*
  56 * Miscelaneous platform dependent initialisations
  57 */
  58
  59int usb_board_init(void)
  60{
  61        writel((readl(UHCHR) | UHCHR_PCPL | UHCHR_PSPL) &
  62                ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
  63                UHCHR);
  64
  65        writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
  66
  67        while (readl(UHCHR) & UHCHR_FSBIR)
  68                ;
  69
  70        writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
  71        writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
  72
  73        /* Clear any OTG Pin Hold */
  74        if (readl(PSSR) & PSSR_OTGPH)
  75                writel(readl(PSSR) | PSSR_OTGPH, PSSR);
  76
  77        writel(readl(UHCRHDA) & ~(RH_A_NPS), UHCRHDA);
  78        writel(readl(UHCRHDA) | RH_A_PSM, UHCRHDA);
  79
  80        /* Set port power control mask bits, only 3 ports. */
  81        writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
  82
  83        return 0;
  84}
  85
  86void usb_board_init_fail(void)
  87{
  88        return;
  89}
  90
  91void usb_board_stop(void)
  92{
  93        writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
  94        udelay(11);
  95        writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
  96
  97        writel(readl(UHCCOMS) | 1, UHCCOMS);
  98        udelay(10);
  99
 100        writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
 101
 102        return;
 103}
 104
 105int board_init (void)
 106{
 107        /* We have RAM, disable cache */
 108        dcache_disable();
 109        icache_disable();
 110
 111        /* arch number of ConXS Board */
 112        gd->bd->bi_arch_number = 776;
 113
 114        /* adress of boot parameters */
 115        gd->bd->bi_boot_params = 0xa000003c;
 116
 117        return 0;
 118}
 119
 120int board_late_init(void)
 121{
 122#if defined(CONFIG_SERIAL_MULTI)
 123        char *console=getenv("boot_console");
 124
 125        if ((console == NULL) || (strcmp(console,"serial_btuart") &&
 126                strcmp(console,"serial_stuart") &&
 127                strcmp(console,"serial_ffuart"))) {
 128                        console = BOOT_CONSOLE;
 129        }
 130        setenv("stdout",console);
 131        setenv("stdin", console);
 132        setenv("stderr",console);
 133#endif
 134        return 0;
 135}
 136
 137struct serial_device *default_serial_console (void)
 138{
 139        return &serial_ffuart_device;
 140}
 141
 142extern void pxa_dram_init(void);
 143int dram_init(void)
 144{
 145        pxa_dram_init();
 146        gd->ram_size = PHYS_SDRAM_1_SIZE;
 147        return 0;
 148}
 149
 150void dram_init_banksize(void)
 151{
 152        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 153        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 154}
 155
 156#ifdef CONFIG_DRIVER_DM9000
 157int board_eth_init(bd_t *bis)
 158{
 159        return dm9000_initialize(bis);
 160}
 161#endif
 162