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imx31_litekit.c 1.73 KiB
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    /*
     *
     * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    
    
    #include <common.h>
    #include <asm/arch/mx31.h>
    #include <asm/arch/mx31-regs.h>
    
    DECLARE_GLOBAL_DATA_PTR;
    
    int dram_init(void)
    {
    	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
    	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
    
    	return 0;
    }
    
    int board_init(void)
    {
    	__REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */
    	__REG(CSCR_L(0)) = 0xa0330d01;
    	__REG(CSCR_A(0)) = 0x00220800;
    
    	__REG(CSCR_U(4)) = 0x0000dcf6; /* CS4: Network Controller */
    	__REG(CSCR_L(4)) = 0x444a4541;
    	__REG(CSCR_A(4)) = 0x44443302;
    
    	/* setup pins for UART1 */
    	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
    	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
    	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
    	mx31_gpio_mux(MUX_RTS1__UART1_CTS_B);
    
    	gd->bd->bi_arch_number = 447;		/* board id for linux */
    	gd->bd->bi_boot_params = (0x80000100);	/* adress of boot parameters */
    
    	return 0;
    }
    
    int checkboard(void)
    {
    	printf("Board: i.MX31 Litekit\n");
    	return 0;
    }