LXR uboot/board/logicpd/imx31_litekit/imx31

   1/*
   2 *
   3 * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24
  25#include <common.h>
  26#include <netdev.h>
  27#include <asm/arch/mx31.h>
  28#include <asm/arch/mx31-regs.h>
  29
  30DECLARE_GLOBAL_DATA_PTR;
  31
  32int dram_init (void)
  33{
  34        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  35        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  36
  37        return 0;
  38}
  39
  40int board_init (void)
  41{
  42        __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */
  43        __REG(CSCR_L(0)) = 0xa0330d01;
  44        __REG(CSCR_A(0)) = 0x00220800;
  45
  46        __REG(CSCR_U(4)) = 0x0000dcf6; /* CS4: Network Controller */
  47        __REG(CSCR_L(4)) = 0x444a4541;
  48        __REG(CSCR_A(4)) = 0x44443302;
  49
  50        /* setup pins for UART1 */
  51        mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
  52        mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
  53        mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
  54        mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
  55
  56        /* SPI2 */
  57        mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
  58        mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
  59        mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
  60        mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
  61        mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
  62        mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
  63        mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
  64
  65        /* start SPI2 clock */
  66        __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
  67
  68        gd->bd->bi_arch_number = MACH_TYPE_MX31LITE; /* board id for linux */
  69        gd->bd->bi_boot_params = (0x80000100);  /* adress of boot parameters */
  70
  71        return 0;
  72}
  73
  74int checkboard (void)
  75{
  76        printf("Board: i.MX31 Litekit\n");
  77        return 0;
  78}
  79
  80int board_eth_init(bd_t *bis)
  81{
  82        int rc = 0;
  83#ifdef CONFIG_SMC911X
  84        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  85#endif
  86        return rc;
  87}
  88