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/*
* Bluegiga APX4 Development Kit
*
* Copyright (C) 2012 Bluegiga Technologies Oy
*
* Authors:
* Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
* Lauri Hintsala <lauri.hintsala@bluegiga.com>
*
* Based on spl_boot.c:
* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
* 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.
*/
#include <common.h>
#include <config.h>
#include <asm/gpio.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_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
#define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
const iomux_cfg_t iomux_setup[] = {
/* DUART */
MX28_PAD_PWM0__DUART_RX,
MX28_PAD_PWM1__DUART_TX,
/* LED */
MX28_PAD_PWM3__GPIO_3_28,
/* 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_8MA | MXS_PAD_NOPULL),
MX28_PAD_SSP0_SCK__SSP0_SCK |
(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
/* GPMI NAND */
MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_RDN__GPMI_RDN |
(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI,
MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI,
/* FEC0 */
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_TX_EN__ENET0_TX_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_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,
/* I2C */
MX28_PAD_I2C0_SCL__I2C0_SCL,
MX28_PAD_I2C0_SDA__I2C0_SDA,
/* 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_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI,
MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,
MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | 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_A13__EMI_ADDR13 | MUX_CONFIG_EMI,
MX28_PAD_EMI_A14__EMI_ADDR14 | 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_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_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
};
void board_init_ll(void)
{
mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
/* switch LED on */
gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
}
void mxs_adjust_memory_params(uint32_t *dram_vals)
{
/*
* All address lines are routed from CPU to memory chip.
* ADDR_PINS field is set to zero.
*/
dram_vals[0x74 >> 2] = 0x0f02000a;
/* Used memory has 4 banks. EIGHT_BANK_MODE bit is disabled. */
dram_vals[0x7c >> 2] = 0x00000101;
}
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