blob: 268a0b9f6e5edc85a11b43c9f5c030d3af91dfcc [file] [log] [blame]
/*
* Copyright (C) 2012-2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
*
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <linux/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/spi.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/sys_proto.h>
#include <i2c.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/imx-common/video.h>
#include <asm/arch/crm_regs.h>
#include <pca953x.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#ifdef CONFIG_CMD_SATA
#include <asm/imx-common/sata.h>
#endif
#ifdef CONFIG_FSL_FASTBOOT
#include <fsl_fastboot.h>
#ifdef CONFIG_ANDROID_RECOVERY
#include <recovery.h>
#endif
#endif /*CONFIG_FSL_FASTBOOT*/
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
/*Need more drive strength for SD1 slot on base board*/
#define USDHC1_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST)
#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
PAD_CTL_SRE_FAST)
#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
#define SPI_PAD_CTRL (PAD_CTL_HYS | \
PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define WEIM_NOR_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define I2C_PMIC 1
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart4_pads[] = {
MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const enet_pads[] = {
MX6_PAD_KEY_COL1__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_COL2__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
#ifdef CONFIG_SYS_I2C
/* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
.gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
.gp = IMX_GPIO_NR(2, 30)
},
.sda = {
.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC,
.gp = IMX_GPIO_NR(4, 13)
}
};
#ifndef CONFIG_SYS_FLASH_CFI
/*
* I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor,
* Compass Sensor, Accelerometer, Res Touch
*/
static struct i2c_pads_info i2c_pad_info2 = {
.scl = {
.i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC,
.gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC,
.gp = IMX_GPIO_NR(1, 3)
},
.sda = {
.i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
.gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
.gp = IMX_GPIO_NR(3, 18)
}
};
#endif
#endif
static iomux_v3_cfg_t const i2c3_pads[] = {
MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const port_exp[] = {
MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
#ifdef CONFIG_PCA953X
/*Define for building port exp gpio, pin starts from 0*/
#define PORTEXP_IO_NR(chip, pin) \
((chip << 5) + pin)
/*Get the chip addr from a ioexp gpio*/
#define PORTEXP_IO_TO_CHIP(gpio_nr) \
(gpio_nr >> 5)
/*Get the pin number from a ioexp gpio*/
#define PORTEXP_IO_TO_PIN(gpio_nr) \
(gpio_nr & 0x1f)
static int port_exp_direction_output(unsigned gpio, int value)
{
int ret;
i2c_set_bus_num(2);
ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio));
if (ret)
return ret;
ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio),
(1 << PORTEXP_IO_TO_PIN(gpio)),
(PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio)));
if (ret)
return ret;
ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio),
(1 << PORTEXP_IO_TO_PIN(gpio)),
(value << PORTEXP_IO_TO_PIN(gpio)));
if (ret)
return ret;
return 0;
}
#endif
#ifdef CONFIG_MTD_NOR_FLASH
static iomux_v3_cfg_t const eimnor_pads[] = {
MX6_PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA0__EIM_AD00 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA1__EIM_AD01 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA2__EIM_AD02 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA3__EIM_AD03 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA4__EIM_AD04 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA5__EIM_AD05 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA6__EIM_AD06 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA7__EIM_AD07 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA8__EIM_AD08 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA9__EIM_AD09 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA10__EIM_AD10 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA11__EIM_AD11 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL) ,
MX6_PAD_EIM_DA12__EIM_AD12 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA13__EIM_AD13 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA14__EIM_AD14 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_DA15__EIM_AD15 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL),
MX6_PAD_EIM_OE__EIM_OE_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_EIM_RW__EIM_RW | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_EIM_CS0__EIM_CS0_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void eimnor_cs_setup(void)
{
struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
writel(0x00020181, &weim_regs->cs0gcr1);
writel(0x00000001, &weim_regs->cs0gcr2);
writel(0x0a020000, &weim_regs->cs0rcr1);
writel(0x0000c000, &weim_regs->cs0rcr2);
writel(0x0804a240, &weim_regs->cs0wcr1);
writel(0x00000120, &weim_regs->wcr);
set_chipselect_size(CS0_128);
}
static void eim_clk_setup(void)
{
struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
int cscmr1, ccgr6;
/* Turn off EIM clock */
ccgr6 = readl(&imx_ccm->CCGR6);
ccgr6 &= ~(0x3 << 10);
writel(ccgr6, &imx_ccm->CCGR6);
/*
* Configure clk_eim_slow_sel = 00 --> derive clock from AXI clk root
* and aclk_eim_slow_podf = 01 --> divide by 2
* so that we can have EIM at the maximum clock of 132MHz
*/
cscmr1 = readl(&imx_ccm->cscmr1);
cscmr1 &= ~(MXC_CCM_CSCMR1_ACLK_EMI_SLOW_MASK |
MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_MASK);
cscmr1 |= (1 << MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_OFFSET);
writel(cscmr1, &imx_ccm->cscmr1);
/* Turn on EIM clock */
ccgr6 |= (0x3 << 10);
writel(ccgr6, &imx_ccm->CCGR6);
}
static void setup_iomux_eimnor(void)
{
imx_iomux_v3_setup_multiple_pads(eimnor_pads, ARRAY_SIZE(eimnor_pads));
gpio_direction_output(IMX_GPIO_NR(5, 4), 0);
eimnor_cs_setup();
}
#endif
static void setup_iomux_enet(void)
{
imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
}
static iomux_v3_cfg_t const usdhc1_pads[] = {
/*To avoid pin conflict with NAND, set usdhc1 to 4 pins*/
MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC1_PAD_CTRL),
MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC1_PAD_CTRL),
MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC1_PAD_CTRL),
MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC1_PAD_CTRL),
MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC1_PAD_CTRL),
MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC1_PAD_CTRL),
/*CD pin*/
MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc3_pads[] = {
MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_GPIO_18__SD3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
}
#ifdef CONFIG_FSL_ESDHC
#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 1)
#define USDHC3_CD_GPIO IMX_GPIO_NR(6, 15)
static struct fsl_esdhc_cfg usdhc_cfg[2] = {
{USDHC1_BASE_ADDR, 0, 4},
{USDHC3_BASE_ADDR},
};
int board_mmc_get_env_dev(int devno)
{
/*
* need ubstract 1 to map to the mmc3 device id
* see the comments in board_mmc_init function
*/
if (devno == 2)
devno--;
return devno;
}
int mmc_map_to_kernel_blk(int devno)
{
if (devno == 1)
devno = 2;
return devno;
}
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
switch (cfg->esdhc_base) {
case USDHC1_BASE_ADDR:
gpio_direction_input(USDHC1_CD_GPIO);
ret = !gpio_get_value(USDHC1_CD_GPIO);
break;
case USDHC3_BASE_ADDR:
gpio_direction_input(USDHC3_CD_GPIO);
ret = !gpio_get_value(USDHC3_CD_GPIO);
break;
}
return ret;
}
int board_mmc_init(bd_t *bis)
{
int i;
/*
* According to the board_mmc_init() the following map is done:
* (U-boot device node) (Physical Port)
* mmc0 USDHC1
* mmc1 USDHC3
*/
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
imx_iomux_v3_setup_multiple_pads(
usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
gpio_request(USDHC1_CD_GPIO, "usdhc1 cd");
gpio_direction_input(USDHC1_CD_GPIO);
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
break;
case 1:
imx_iomux_v3_setup_multiple_pads(
usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
gpio_request(USDHC3_CD_GPIO, "usdhc3 cd");
gpio_direction_input(USDHC3_CD_GPIO);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
break;
default:
printf("Warning: you configured more USDHC controllers"
"(%d) than supported by the board\n", i + 1);
return 0;
}
if (fsl_esdhc_initialize(bis, &usdhc_cfg[i]))
printf("Warning: failed to initialize mmc dev %d\n", i);
}
return 0;
}
#endif
#ifdef CONFIG_NAND_MXS
static iomux_v3_cfg_t gpmi_pads[] = {
MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0),
MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL1),
};
static void setup_gpmi_nand(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
/* config gpmi nand iomux */
imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
setup_gpmi_io_clk((MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)));
/* enable apbh clock gating */
setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}
#endif
int mx6_rgmii_rework(struct phy_device *phydev)
{
unsigned short val;
/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
val &= 0xffe3;
val |= 0x18;
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
/* introduce tx clock delay */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
val |= 0x0100;
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
mx6_rgmii_rework(phydev);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
static void setup_fec(void)
{
int ret;
if (is_mx6dqp()) {
/*
* select ENET MAC0 TX clock from PLL
*/
imx_iomux_set_gpr_register(5, 9, 1, 1);
} else {
imx_iomux_set_gpr_register(1, 21, 1, 1);
}
ret = enable_fec_anatop_clock(0, ENET_125MHZ);
if (ret)
printf("Error fec anatop clock settings!\n");
}
int board_eth_init(bd_t *bis)
{
setup_iomux_enet();
return cpu_eth_init(bis);
}
#define BOARD_REV_B 0x200
#define BOARD_REV_A 0x100
static int mx6sabre_rev(void)
{
/*
* Get Board ID information from OCOTP_GP1[15:8]
* i.MX6Q ARD RevA: 0x01
* i.MX6Q ARD RevB: 0x02
*/
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
struct fuse_bank *bank = &ocotp->bank[4];
struct fuse_bank4_regs *fuse =
(struct fuse_bank4_regs *)bank->fuse_regs;
int reg = readl(&fuse->gp1);
int ret;
switch (reg >> 8 & 0x0F) {
case 0x02:
ret = BOARD_REV_B;
break;
case 0x01:
default:
ret = BOARD_REV_A;
break;
}
return ret;
}
u32 get_board_rev(void)
{
int rev = mx6sabre_rev();
return (get_cpu_rev() & ~(0xF << 8)) | rev;
}
#if defined(CONFIG_VIDEO_IPUV3)
static void disable_lvds(struct display_info_t const *dev)
{
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
clrbits_le32(&iomux->gpr[2],
IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
}
static void do_enable_hdmi(struct display_info_t const *dev)
{
disable_lvds(dev);
imx_enable_hdmi_phy();
}
struct display_info_t const displays[] = {{
.bus = -1,
.addr = 0,
.pixfmt = IPU_PIX_FMT_RGB666,
.detect = NULL,
.enable = NULL,
.mode = {
.name = "Hannstar-XGA",
.refresh = 60,
.xres = 1024,
.yres = 768,
.pixclock = 15385,
.left_margin = 220,
.right_margin = 40,
.upper_margin = 21,
.lower_margin = 7,
.hsync_len = 60,
.vsync_len = 10,
.sync = FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED
} }, {
.bus = -1,
.addr = 0,
.pixfmt = IPU_PIX_FMT_RGB24,
.detect = NULL,
.enable = do_enable_hdmi,
.mode = {
.name = "HDMI",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 39721,
.left_margin = 48,
.right_margin = 16,
.upper_margin = 33,
.lower_margin = 10,
.hsync_len = 96,
.vsync_len = 2,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED,
} } };
size_t display_count = ARRAY_SIZE(displays);
iomux_v3_cfg_t const backlight_pads[] = {
MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
static void setup_iomux_backlight(void)
{
gpio_request(IMX_GPIO_NR(2, 9), "backlight");
gpio_direction_output(IMX_GPIO_NR(2, 9), 1);
imx_iomux_v3_setup_multiple_pads(backlight_pads,
ARRAY_SIZE(backlight_pads));
}
static void setup_display(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
int reg;
setup_iomux_backlight();
enable_ipu_clock();
imx_setup_hdmi();
/* Turn on LDB_DI0 and LDB_DI1 clocks */
reg = readl(&mxc_ccm->CCGR3);
reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
writel(reg, &mxc_ccm->CCGR3);
/* Set LDB_DI0 and LDB_DI1 clk select to 3b'011 */
reg = readl(&mxc_ccm->cs2cdr);
reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
(3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
writel(reg, &mxc_ccm->cs2cdr);
reg = readl(&mxc_ccm->cscmr2);
reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
writel(reg, &mxc_ccm->cscmr2);
reg = readl(&mxc_ccm->chsccdr);
reg |= (CHSCCDR_CLK_SEL_LDB_DI0
<< MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
reg |= (CHSCCDR_CLK_SEL_LDB_DI0 <<
MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
writel(reg, &mxc_ccm->chsccdr);
reg = IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED;
writel(reg, &iomux->gpr[2]);
reg = readl(&iomux->gpr[3]);
reg &= ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
reg |= (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET) |
(IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
IOMUXC_GPR3_HDMI_MUX_CTL_OFFSET);
writel(reg, &iomux->gpr[3]);
}
#endif /* CONFIG_VIDEO_IPUV3 */
/*
* Do not overwrite the console
* Use always serial for U-Boot console
*/
int overwrite_console(void)
{
return 1;
}
#ifdef CONFIG_MXC_SPI
iomux_v3_cfg_t const ecspi1_pads[] = {
MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Steer logic */
MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
void setup_spinor(void)
{
imx_iomux_v3_setup_multiple_pads(ecspi1_pads,
ARRAY_SIZE(ecspi1_pads));
gpio_request(IMX_GPIO_NR(3, 19), "escpi cs");
gpio_direction_output(IMX_GPIO_NR(5, 4), 0);
gpio_direction_output(IMX_GPIO_NR(3, 19), 0);
}
int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
return (bus == 0 && cs == 1) ? (IMX_GPIO_NR(3, 19)) : -1;
}
#endif
#ifdef CONFIG_USB_EHCI_MX6
#ifndef CONFIG_DM_USB
iomux_v3_cfg_t const usb_otg_pads[] = {
MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
ARRAY_SIZE(usb_otg_pads));
/*
* Set daisy chain for otg_pin_id on 6q.
* For 6dl, this bit is reserved.
*/
imx_iomux_set_gpr_register(1, 13, 1, 0);
}
int board_ehci_power(int port, int on)
{
#ifdef CONFIG_PCA953X
#define USB_HOST1_PWR PORTEXP_IO_NR(0x32, 7)
#define USB_OTG_PWR PORTEXP_IO_NR(0x34, 1)
switch (port) {
case 0:
if (on)
port_exp_direction_output(USB_OTG_PWR, 1);
else
port_exp_direction_output(USB_OTG_PWR, 0);
break;
case 1:
if (on)
port_exp_direction_output(USB_HOST1_PWR, 1);
else
port_exp_direction_output(USB_HOST1_PWR, 0);
break;
default:
printf("MXC USB port %d not yet supported\n", port);
return -EINVAL;
}
#elif defined(CONFIG_DM_PCA953X)
struct gpio_desc desc;
int ret;
switch (port) {
case 0:
ret = dm_gpio_lookup_name("gpio@34_1", &desc);
if (ret)
return ret;
dm_gpio_request(&desc, "usb_otg_pwr");
dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
if (on)
dm_gpio_set_value(&desc, 1);
else
dm_gpio_set_value(&desc, 0);
break;
case 1:
ret = dm_gpio_lookup_name("gpio@32_7", &desc);
if (ret)
return ret;
dm_gpio_request(&desc, "usb_host1_pwr");
dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
if (on)
dm_gpio_set_value(&desc, 1);
else
dm_gpio_set_value(&desc, 0);
break;
default:
printf("MXC USB port %d not yet supported\n", port);
return -EINVAL;
}
#endif
return 0;
}
#endif
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
#ifdef CONFIG_MTD_NOR_FLASH
eim_clk_setup();
#endif
return 0;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SYS_I2C
/* I2C 2 and 3 setup - I2C 3 hw mux with EIM */
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#ifndef CONFIG_SYS_FLASH_CFI
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
#endif
#endif
/* I2C 3 Steer */
gpio_request(IMX_GPIO_NR(5, 4), "steer logic");
gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
gpio_request(IMX_GPIO_NR(1, 15), "expander en");
gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
#ifdef CONFIG_VIDEO_IPUV3
setup_display();
#endif
#ifdef CONFIG_MXC_SPI
setup_spinor();
#endif
#ifdef CONFIG_NAND_MXS
setup_gpmi_nand();
#endif
#ifdef CONFIG_CMD_SATA
setup_sata();
#endif
#ifdef CONFIG_MTD_NOR_FLASH
setup_iomux_eimnor();
#endif
#ifdef CONFIG_FEC_MXC
setup_fec();
#endif
#ifdef CONFIG_USB_EHCI_MX6
#ifndef CONFIG_DM_USB
setup_usb();
#else
/*
* Set daisy chain for otg_pin_id on 6q.
* For 6dl, this bit is reserved.
*/
imx_iomux_set_gpr_register(1, 13, 1, 0);
#endif
#endif
return 0;
}
#ifdef CONFIG_POWER
int power_init_board(void)
{
struct pmic *pfuze;
unsigned int value;
int ret;
pfuze = pfuze_common_init(I2C_PMIC);
if (!pfuze)
return -ENODEV;
if (is_mx6dqp())
ret = pfuze_mode_init(pfuze, APS_APS);
else
ret = pfuze_mode_init(pfuze, APS_PFM);
if (ret < 0)
return ret;
if (is_mx6dqp()) {
/* set SW1C staby volatage 1.075V*/
pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &value);
value &= ~0x3f;
value |= 0x1f;
pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, value);
/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW1CCONF, &value);
value &= ~0xc0;
value |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW1CCONF, value);
/* set SW2 staby volatage 0.975V*/
pmic_reg_read(pfuze, PFUZE100_SW2STBY, &value);
value &= ~0x3f;
value |= 0x17;
pmic_reg_write(pfuze, PFUZE100_SW2STBY, value);
/* set SW2/VDDARM step ramp up time to from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW2CONF, &value);
value &= ~0xc0;
value |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW2CONF, value);
} else {
/* set SW1AB staby volatage 0.975V*/
pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &value);
value &= ~0x3f;
value |= 0x1b;
pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, value);
/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, &value);
value &= ~0xc0;
value |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, value);
/* set SW1C staby volatage 0.975V*/
pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &value);
value &= ~0x3f;
value |= 0x1b;
pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, value);
/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW1CCONF, &value);
value &= ~0xc0;
value |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW1CCONF, value);
}
return 0;
}
#elif defined(CONFIG_DM_PMIC_PFUZE100)
int power_init_board(void)
{
struct udevice *dev;
unsigned int reg;
int ret;
dev = pfuze_common_init();
if (!dev)
return -ENODEV;
if (is_mx6dqp())
ret = pfuze_mode_init(dev, APS_APS);
else
ret = pfuze_mode_init(dev, APS_PFM);
if (ret < 0)
return ret;
if (is_mx6dqp()) {
/* set SW1C staby volatage 1.075V*/
reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY);
reg &= ~0x3f;
reg |= 0x1f;
pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg);
/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW1CCONF);
reg &= ~0xc0;
reg |= 0x40;
pmic_reg_write(dev, PFUZE100_SW1CCONF, reg);
/* set SW2/VDDARM staby volatage 0.975V*/
reg = pmic_reg_read(dev, PFUZE100_SW2STBY);
reg &= ~0x3f;
reg |= 0x17;
pmic_reg_write(dev, PFUZE100_SW2STBY, reg);
/* set SW2/VDDARM step ramp up time to from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW2CONF);
reg &= ~0xc0;
reg |= 0x40;
pmic_reg_write(dev, PFUZE100_SW2CONF, reg);
} else {
/* set SW1AB staby volatage 0.975V*/
reg = pmic_reg_read(dev, PFUZE100_SW1ABSTBY);
reg &= ~0x3f;
reg |= 0x1b;
pmic_reg_write(dev, PFUZE100_SW1ABSTBY, reg);
/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW1ABCONF);
reg &= ~0xc0;
reg |= 0x40;
pmic_reg_write(dev, PFUZE100_SW1ABCONF, reg);
/* set SW1C staby volatage 0.975V*/
reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY);
reg &= ~0x3f;
reg |= 0x1b;
pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg);
/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW1CCONF);
reg &= ~0xc0;
reg |= 0x40;
pmic_reg_write(dev, PFUZE100_SW1CCONF, reg);
}
return 0;
}
#endif
#ifdef CONFIG_LDO_BYPASS_CHECK
#ifdef CONFIG_POWER
void ldo_mode_set(int ldo_bypass)
{
unsigned int value;
struct pmic *p = pmic_get("PFUZE100");
if (!p) {
printf("No PMIC found!\n");
return;
}
/* increase VDDARM/VDDSOC to support 1.2G chip */
if (check_1_2G()) {
ldo_bypass = 0; /* ldo_enable on 1.2G chip */
printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n");
if (is_mx6dqp()) {
/* increase VDDARM to 1.425V */
pmic_reg_read(p, PFUZE100_SW2VOL, &value);
value &= ~0x3f;
value |= 0x29;
pmic_reg_write(p, PFUZE100_SW2VOL, value);
} else {
/* increase VDDARM to 1.425V */
pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
value &= ~0x3f;
value |= 0x2d;
pmic_reg_write(p, PFUZE100_SW1ABVOL, value);
}
/* increase VDDSOC to 1.425V */
pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
value &= ~0x3f;
value |= 0x2d;
pmic_reg_write(p, PFUZE100_SW1CVOL, value);
}
}
#elif defined(CONFIG_DM_PMIC_PFUZE100)
void ldo_mode_set(int ldo_bypass)
{
struct udevice *dev;
int ret;
ret = pmic_get("pfuze100", &dev);
if (ret == -ENODEV) {
printf("No PMIC found!\n");
return;
}
/* increase VDDARM/VDDSOC to support 1.2G chip */
if (check_1_2G()) {
ldo_bypass = 0; /* ldo_enable on 1.2G chip */
printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n");
if (is_mx6dqp()) {
/* increase VDDARM to 1.425V */
pmic_clrsetbits(dev, PFUZE100_SW2VOL, 0x3f, 0x29);
} else {
/* increase VDDARM to 1.425V */
pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, 0x2d);
}
/* increase VDDSOC to 1.425V */
pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, 0x2d);
}
}
#endif
#endif
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
{NULL, 0},
};
#endif
int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
setenv("tee", "no");
#ifdef CONFIG_IMX_OPTEE
setenv("tee", "yes");
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
setenv("board_name", "SABREAUTO");
if (is_mx6dqp())
setenv("board_rev", "MX6QP");
else if (is_mx6dq())
setenv("board_rev", "MX6Q");
else if (is_mx6sdl())
setenv("board_rev", "MX6DL");
#endif
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
return 0;
}
int checkboard(void)
{
int rev = mx6sabre_rev();
char *revname;
switch (rev) {
case BOARD_REV_B:
revname = "B";
break;
case BOARD_REV_A:
default:
revname = "A";
break;
}
printf("Board: MX6Q-Sabreauto rev%s\n", revname);
return 0;
}
#ifdef CONFIG_FSL_FASTBOOT
#ifdef CONFIG_ANDROID_RECOVERY
#define GPIO_VOL_DN_KEY IMX_GPIO_NR(5, 14)
iomux_v3_cfg_t const recovery_key_pads[] = {
(MX6_PAD_DISP0_DAT20__GPIO5_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
int is_recovery_key_pressing(void)
{
int button_pressed = 0;
/* Check Recovery Combo Button press or not. */
imx_iomux_v3_setup_multiple_pads(recovery_key_pads,
ARRAY_SIZE(recovery_key_pads));
gpio_request(GPIO_VOL_DN_KEY, "volume_dn_key");
gpio_direction_input(GPIO_VOL_DN_KEY);
if (gpio_get_value(GPIO_VOL_DN_KEY) == 0) { /* VOL_DN key is low assert */
button_pressed = 1;
printf("Recovery key pressed\n");
}
return button_pressed;
}
#endif /*CONFIG_ANDROID_RECOVERY*/
#endif /*CONFIG_FSL_FASTBOOT*/