LXR uboot/board/h2200/h2200.c

   1/*
   2 * iPAQ h2200 board configuration
   3 *
   4 * Copyright (C) 2012 Lukasz Dalek <luk0104@gmail.com>
   5 *
   6 * SPDX-License-Identifier:     GPL-2.0+
   7 */
   8
   9#include <common.h>
  10#include <asm/arch/pxa.h>
  11#include <asm/arch/pxa-regs.h>
  12#include <asm/io.h>
  13#include <usb.h>
  14
  15DECLARE_GLOBAL_DATA_PTR;
  16
  17int board_eth_init(bd_t *bis)
  18{
  19        usb_eth_initialize(bis);
  20        return 0;
  21}
  22
  23void reset_cpu(ulong ignore)
  24{
  25        /* Enable VLIO interface on Hamcop */
  26        writeb(0x1, 0x4000);
  27
  28        /* Reset board (cold reset) */
  29        writeb(0xff, 0x4002);
  30}
  31
  32int board_init(void)
  33{
  34        /* We have RAM, disable cache */
  35        dcache_disable();
  36        icache_disable();
  37
  38        gd->bd->bi_arch_number = MACH_TYPE_H2200;
  39
  40        /* adress of boot parameters */
  41        gd->bd->bi_boot_params = 0xa0000100;
  42
  43        /* Let host see that device is disconnected */
  44        udc_disconnect();
  45        mdelay(500);
  46
  47        return 0;
  48}
  49
  50int dram_init(void)
  51{
  52        /*
  53         * Everything except MSC0 was already set up by
  54         * 1st stage bootloader.
  55         *
  56         * This setting enables access to companion chip.
  57         */
  58        clrsetbits_le32(MSC0, 0xffffffff, CONFIG_SYS_MSC0_VAL);
  59        gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
  60        return 0;
  61}
  62