board/atmel/at91rm9200ek/at91rm9200ek.c

   1 /*
   2  * (C) Copyright 2010 Andreas Bießmann <andreas.devel@gmail.com>
   3  *
   4  * derived from previous work
   5  *
   6  * (C) Copyright 2002
   7  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   8  * Marius Groeger <mgroeger@sysgo.de>
   9  *
  10  * SPDX-License-Identifier:     GPL-2.0+
  11  */
  12
  13 #include <common.h>
  14 #include <netdev.h>
  15 #include <asm/arch/hardware.h>
  16 #include <asm/arch/at91_pio.h>
  17 #include <asm/arch/at91_pmc.h>
  18 #include <asm/arch/at91_common.h>
  19 #include <asm/io.h>
  20
  21 DECLARE_GLOBAL_DATA_PTR;
  22
  23 /* ------------------------------------------------------------------------- */
  24 int board_init(void)
  25 {
  26         at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
  27
  28         /*
  29          * Correct IRDA resistor problem
  30          * Set PA23_TXD in Output
  31          */
  32         writel(ATMEL_PMX_AA_TXD2, &pio->pioa.oer);
  33
  34         /* arch number of AT91RM9200EK-Board */
  35         gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200EK;
  36         /* adress of boot parameters */
  37         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  38
  39         return 0;
  40 }
  41
  42 int board_early_init_f(void)
  43 {
  44         at91_seriald_hw_init();
  45         return 0;
  46 }
  47
  48 int dram_init (void)
  49 {
  50         /* dram_init must store complete ramsize in gd->ram_size */
  51         gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
  52                         CONFIG_SYS_SDRAM_SIZE);
  53         return 0;
  54 }
  55
  56 #ifdef CONFIG_DRIVER_AT91EMAC
  57 int board_eth_init(bd_t *bis)
  58 {
  59         return at91emac_register(bis, (u32) ATMEL_BASE_EMAC);
  60 }
  61 #endif