uboot-vybrid_public/board/schulercontrol/sc_sps_1/spl_boot.c

/*
 * SchulerControl GmbH, SC_SPS_1 module setup
 *
 * Copyright (C) 2012 Marek Vasut <marex@denx.de>
 * on behalf of DENX Software Engineering GmbH
 *
 * 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 <config.h>
#include <asm/io.h>
#include <asm/arch/iomux-mx28.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>

#define	MUX_CONFIG_LED	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
#define	MUX_CONFIG_SSP0	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
#define	MUX_CONFIG_SSP2	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
#define	MUX_CONFIG_ENET	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
#define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)

const iomux_cfg_t iomux_setup[] = {
	/* -- Strick 3 -- */

	/* FEC Ethernet */
	MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET,

	MX28_PAD_ENET0_TX_CLK__GPIO_4_5,	/* ENET INT */

	MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET,
	MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET,
	MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,

	/* -- Strick 4 -- */

	/* EMI */
	MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
	MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
	MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
	MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
	MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI,

	MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,

	MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI,
	MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI,

	MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
	MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,

	MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI,
	MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,

	/* -- Strick 5 -- */

	/* MMC0 */
	MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0,
	MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0,
	MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0,
	MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0,
	MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0,
	MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),
	MX28_PAD_SSP0_SCK__SSP0_SCK |
		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),

	/* SPI2 (for flash) */
	MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2,
	MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2,
	MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2,
	MX28_PAD_SSP2_SS0__SSP2_D3 |
		(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),

	/* -- Strick 6 -- */

	/* I2C */
	MX28_PAD_I2C0_SCL__I2C0_SCL,
	MX28_PAD_I2C0_SDA__I2C0_SDA,

	/* AUART0 */
	MX28_PAD_AUART0_TX__AUART0_TX,
	MX28_PAD_AUART0_RX__AUART0_RX,

	/* MEGA interface */

	/* Debug UART */
	MX28_PAD_PWM0__DUART_RX,
	MX28_PAD_PWM1__DUART_TX,

	/* LED */
	MX28_PAD_GPMI_D00__GPIO_0_0 | MUX_CONFIG_LED,
	MX28_PAD_GPMI_D03__GPIO_0_3 | MUX_CONFIG_LED,
	MX28_PAD_GPMI_D06__GPIO_0_6 | MUX_CONFIG_LED,
};

void board_init_ll(void)
{
	mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
}

void mxs_adjust_memory_params(uint32_t *dram_vals)
{
	dram_vals[0x74 >> 2] = 0x0f02010a;
}