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
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 int board_eth_init(bd_t *bis)
  18 {
  19         usb_eth_initialize(bis);
  20         return 0;
  21 }
  22
  23 void 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
  32 int 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
  50 int 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
  63 #ifdef CONFIG_USB_GADGET_PXA2XX
  64 int board_usb_init(int index, enum usb_init_type init)
  65 {
  66         return 0;
  67 }
  68
  69 int board_usb_cleanup(int index, enum usb_init_type init)
  70 {
  71         return 0;
  72 }
  73 #endif