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u-boot/board/efikamx/efikamx.c
Stefano Babic e70a10607d MX5: efikamx: make use of GPIO framework 
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Marek Vasut <marek.vasut@gmail.com>
2011-09-04 11:36:12 +02:00

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/*
* Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
*
* (C) Copyright 2009 Freescale Semiconductor, Inc.
*
* 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/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx5x_pins.h>
#include <asm/arch/iomux.h>
#include <asm/gpio.h>
#include <asm/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/crm_regs.h>
#include <i2c.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <fsl_pmic.h>
#include <mc13892.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Compile-time error checking
*/
#ifndef CONFIG_MXC_SPI
#error "CONFIG_MXC_SPI not set, this is essential for board's operation!"
#endif
/*
* Shared variables / local defines
*/
/* LED */
#define EFIKAMX_LED_BLUE 0x1
#define EFIKAMX_LED_GREEN 0x2
#define EFIKAMX_LED_RED 0x4
void efikamx_toggle_led(uint32_t mask);
/* Board revisions */
#define EFIKAMX_BOARD_REV_11 0x1
#define EFIKAMX_BOARD_REV_12 0x2
#define EFIKAMX_BOARD_REV_13 0x3
#define EFIKAMX_BOARD_REV_14 0x4
/*
* Board identification
*/
u32 get_efika_rev(void)
{
u32 rev = 0;
/*
* Retrieve board ID:
* rev1.1: 1,1,1
* rev1.2: 1,1,0
* rev1.3: 1,0,1
* rev1.4: 1,0,0
*/
mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO);
/* set to 1 in order to get correct value on board rev1.1 */
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0), 1);
mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS0, PAD_CTL_100K_PU);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0));
rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0))) << 0;
mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS1, PAD_CTL_100K_PU);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1));
rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1))) << 1;
mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, PAD_CTL_100K_PU);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3));
rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3))) << 2;
return (~rev & 0x7) + 1;
}
u32 get_board_rev(void)
{
return get_cpu_rev() | (get_efika_rev() << 8);
}
/*
* DRAM initialization
*/
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
PHYS_SDRAM_1_SIZE);
return 0;
}
/*
* UART configuration
*/
static void setup_iomux_uart(void)
{
unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
}
/*
* SPI configuration
*/
#ifdef CONFIG_MXC_SPI
static void setup_iomux_spi(void)
{
/* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI,
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
/* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO,
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
/* Configure SS0 as a GPIO */
mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0), 0);
/* Configure SS1 as a GPIO */
mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_GPIO);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS1), 1);
/* 000: Select mux mode: ALT0 mux port: SS2 of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY,
PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
/* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK,
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
}
#else
static inline void setup_iomux_spi(void) { }
#endif
/*
* PMIC configuration
*/
#ifdef CONFIG_MXC_SPI
static void power_init(void)
{
unsigned int val;
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
/* Write needed to Power Gate 2 register */
val = pmic_reg_read(REG_POWER_MISC);
val &= ~PWGT2SPIEN;
pmic_reg_write(REG_POWER_MISC, val);
/* Externally powered */
val = pmic_reg_read(REG_CHARGE);
val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
pmic_reg_write(REG_CHARGE, val);
/* power up the system first */
pmic_reg_write(REG_POWER_MISC, PWUP);
/* Set core voltage to 1.1V */
val = pmic_reg_read(REG_SW_0);
val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
pmic_reg_write(REG_SW_0, val);
/* Setup VCC (SW2) to 1.25 */
val = pmic_reg_read(REG_SW_1);
val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
pmic_reg_write(REG_SW_1, val);
/* Setup 1V2_DIG1 (SW3) to 1.25 */
val = pmic_reg_read(REG_SW_2);
val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
pmic_reg_write(REG_SW_2, val);
udelay(50);
/* Raise the core frequency to 800MHz */
writel(0x0, &mxc_ccm->cacrr);
/* Set switchers in Auto in NORMAL mode & STANDBY mode */
/* Setup the switcher mode for SW1 & SW2*/
val = pmic_reg_read(REG_SW_4);
val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
(SWMODE_MASK << SWMODE2_SHIFT)));
val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
(SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
pmic_reg_write(REG_SW_4, val);
/* Setup the switcher mode for SW3 & SW4 */
val = pmic_reg_read(REG_SW_5);
val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
(SWMODE_MASK << SWMODE4_SHIFT)));
val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
(SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
pmic_reg_write(REG_SW_5, val);
/* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
val = pmic_reg_read(REG_SETTING_0);
val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
pmic_reg_write(REG_SETTING_0, val);
/* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
val = pmic_reg_read(REG_SETTING_1);
val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
pmic_reg_write(REG_SETTING_1, val);
/* Configure VGEN3 and VCAM regulators to use external PNP */
val = VGEN3CONFIG | VCAMCONFIG;
pmic_reg_write(REG_MODE_1, val);
udelay(200);
/* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
VVIDEOEN | VAUDIOEN | VSDEN;
pmic_reg_write(REG_MODE_1, val);
val = pmic_reg_read(REG_POWER_CTL2);
val |= WDIRESET;
pmic_reg_write(REG_POWER_CTL2, val);
udelay(2500);
}
#else
static inline void power_init(void) { }
#endif
/*
* MMC configuration
*/
#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg esdhc_cfg[2] = {
{MMC_SDHC1_BASE_ADDR, 1},
{MMC_SDHC2_BASE_ADDR, 1},
};
int board_mmc_getcd(u8 *absent, struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
*absent = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0));
else
*absent = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
return 0;
}
int board_mmc_init(bd_t *bis)
{
int ret;
/* SDHC1 is used on all revisions, setup control pins first */
mxc_request_iomux(MX51_PIN_GPIO1_0,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
PAD_CTL_ODE_OPENDRAIN_NONE |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_GPIO1_1,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
PAD_CTL_SRE_FAST);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0));
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_1));
/* Internal SDHC1 IOMUX + SDHC2 IOMUX on old boards */
if (get_efika_rev() < EFIKAMX_BOARD_REV_12) {
/* SDHC1 IOMUX */
mxc_request_iomux(MX51_PIN_SD1_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_CLK,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
/* SDHC2 IOMUX */
mxc_request_iomux(MX51_PIN_SD2_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD2_CLK,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD2_DATA0, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD2_DATA1, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD2_DATA2, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD2_DATA3, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
/* SDHC2 Control lines IOMUX */
mxc_request_iomux(MX51_PIN_GPIO1_7,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_7,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
PAD_CTL_ODE_OPENDRAIN_NONE |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_GPIO1_8,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_8,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
PAD_CTL_SRE_FAST);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_7));
ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
if (!ret)
ret = fsl_esdhc_initialize(bis, &esdhc_cfg[1]);
} else { /* New boards use only SDHC1 */
/* SDHC1 IOMUX */
mxc_request_iomux(MX51_PIN_SD1_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_CLK,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
}
return ret;
}
#endif
/*
* ATA
*/
#ifdef CONFIG_MX51_PATA
#define ATA_PAD_CONFIG (PAD_CTL_DRV_HIGH | PAD_CTL_DRV_VOT_HIGH)
void setup_iomux_ata(void)
{
mxc_request_iomux(MX51_PIN_NANDF_ALE, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_ALE, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_RE_B, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_RE_B, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_WE_B, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_WE_B, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_CLE, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CLE, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_RB0, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_RB0, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_WP_B, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_WP_B, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_GPIO_NAND, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_GPIO_NAND, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_RB1, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_RB1, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D0, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D0, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D1, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D1, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D2, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D2, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D3, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D3, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D4, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D4, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D5, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D5, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D6, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D6, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D7, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D7, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D8, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D9, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D10, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D10, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D11, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D12, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D12, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D13, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D13, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D14, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D14, ATA_PAD_CONFIG);
mxc_request_iomux(MX51_PIN_NANDF_D15, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_D15, ATA_PAD_CONFIG);
}
#else
static inline void setup_iomux_ata(void) { }
#endif
/*
* LED configuration
*/
void setup_iomux_led(void)
{
/* Blue LED */
mxc_request_iomux(MX51_PIN_CSI1_D9, IOMUX_CONFIG_ALT3);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9), 0);
/* Green LED */
mxc_request_iomux(MX51_PIN_CSI1_VSYNC, IOMUX_CONFIG_ALT3);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC), 0);
/* Red LED */
mxc_request_iomux(MX51_PIN_CSI1_HSYNC, IOMUX_CONFIG_ALT3);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC), 0);
}
void efikamx_toggle_led(uint32_t mask)
{
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9),
mask & EFIKAMX_LED_BLUE);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC),
mask & EFIKAMX_LED_GREEN);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC),
mask & EFIKAMX_LED_RED);
}
/*
* Board initialization
*/
static void init_drive_strength(void)
{
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEDDR, PAD_CTL_DDR_INPUT_CMOS);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEADDR, PAD_CTL_PKE_ENABLE);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRAPKS, PAD_CTL_PUE_KEEPER);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRAPUS, PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_A1, PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_A0, PAD_CTL_DRV_HIGH);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_A1, PAD_CTL_DRV_HIGH);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_RAS,
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CAS,
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEDDR, PAD_CTL_PKE_ENABLE);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRPKS, PAD_CTL_PUE_KEEPER);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR0, PAD_CTL_HYS_NONE);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR1, PAD_CTL_HYS_NONE);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR2, PAD_CTL_HYS_NONE);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR3, PAD_CTL_HYS_NONE);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B0, PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B1, PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B2, PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B4, PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRPUS, PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_INMODE1, PAD_CTL_DDR_INPUT_CMOS);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B0, PAD_CTL_DRV_MEDIUM);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B1, PAD_CTL_DRV_MEDIUM);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B2, PAD_CTL_DRV_MEDIUM);
mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B4, PAD_CTL_DRV_MEDIUM);
/* Setting pad options */
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDWE,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCKE0,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCKE1,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCLK,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS0,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS1,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS2,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS3,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CS0,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CS1,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM0,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM1,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM2,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM3,
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
}
int board_early_init_f(void)
{
init_drive_strength();
setup_iomux_uart();
setup_iomux_spi();
setup_iomux_led();
return 0;
}
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_MX51_EFIKAMX;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
int board_late_init(void)
{
setup_iomux_spi();
power_init();
setup_iomux_led();
setup_iomux_ata();
efikamx_toggle_led(EFIKAMX_LED_BLUE);
return 0;
}
int checkboard(void)
{
puts("Board: Efika MX\n");
return 0;
}
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