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/clock.h>
  28#include <asm/arch/imx-regs.h>
  29#include <asm/arch/sys_proto.h>
  30
  31DECLARE_GLOBAL_DATA_PTR;
  32
  33int dram_init(void)
  34{
  35        /* dram_init must store complete ramsize in gd->ram_size */
  36        gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1,
  37                                PHYS_SDRAM_1_SIZE);
  38        return 0;
  39}
  40
  41int board_early_init_f(void)
  42{
  43        /* CS0: Nor Flash */
  44        static const struct mxc_weimcs cs0 = {
  45                /*    sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
  46                CSCR_U(0, 0,  0,  0,  0,  0,   0,  0,  3, 15, 0,  0,  3),
  47                /*    oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
  48                CSCR_L(10,  0,   3,   3,  0,  1,  5,  0,  0,  0,   0,   1),
  49                /*  ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
  50                CSCR_A(0,   0,  2,  2,  0,  0,  2,  0,  0,  0,  0,  0,   0,  0)
  51        };
  52
  53        /* CS4: Network Controller */
  54        static const struct mxc_weimcs cs4 = {
  55                /*    sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
  56                CSCR_U(0, 0,  0,  0,  0,  0,   0,  0,  3, 28, 1,  7,  6),
  57                /*   oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
  58                CSCR_L(4,  4,   4,  10,  4,  0,  5,  4,  0,  0,   0,   1),
  59                /*  ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
  60                CSCR_A(4,   4,  4,  4,  0,  1,  4,  3,  0,  0,  0,  0,   1,  0)
  61        };
  62
  63        mxc_setup_weimcs(0, &cs0);
  64        mxc_setup_weimcs(4, &cs4);
  65
  66        /* setup pins for UART1 */
  67        mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
  68        mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
  69        mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
  70        mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
  71
  72        /* SPI2 */
  73        mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
  74        mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
  75        mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
  76        mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
  77        mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
  78        mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
  79        mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
  80
  81        /* start SPI2 clock */
  82        __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
  83
  84        return 0;
  85}
  86
  87int board_init(void)
  88{
  89        gd->bd->bi_boot_params = (0x80000100);  /* adress of boot parameters */
  90
  91        return 0;
  92}
  93
  94int checkboard(void)
  95{
  96        printf("Board: i.MX31 Litekit\n");
  97        return 0;
  98}
  99
 100int board_eth_init(bd_t *bis)
 101{
 102        int rc = 0;
 103#ifdef CONFIG_SMC911X
 104        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 105#endif
 106        return rc;
 107}
 108