408 lines
12 KiB
C
408 lines
12 KiB
C
/*
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* Copyright (C) 2012 Steffen Trumtrar, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation.
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*
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*/
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#include <common.h>
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#include <init.h>
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#include <environment.h>
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#include <mach/imx6-regs.h>
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#include <asm/armlinux.h>
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#include <fec.h>
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#include <generated/mach-types.h>
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#include <partition.h>
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#include <spi/spi.h>
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#include <sizes.h>
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#include <gpio.h>
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#include <mci.h>
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#include <bootsource.h>
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#include <mfd/stmpe-i2c.h>
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#include <linux/micrel_phy.h>
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#include <asm/io.h>
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#include <asm/mmu.h>
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#include <mach/devices-imx6.h>
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#include <mach/iomux-mx6.h>
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#include <mach/imx6-mmdc.h>
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#include <mach/imx6-regs.h>
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#include <mach/generic.h>
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#include <mach/imx6.h>
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#include <mach/bbu.h>
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#include <mach/spi.h>
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static iomux_v3_cfg_t realq7_pads[] = {
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MX6Q_PAD_SD2_CMD__AUDMUX_AUD4_RXC,
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MX6Q_PAD_SD2_DAT0__AUDMUX_AUD4_RXD,
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MX6Q_PAD_SD2_CLK__AUDMUX_AUD4_RXFS,
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MX6Q_PAD_SD2_DAT2__AUDMUX_AUD4_TXD,
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MX6Q_PAD_SD2_DAT1__AUDMUX_AUD4_TXFS,
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MX6Q_PAD_KEY_ROW2__CAN1_RXCAN,
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MX6Q_PAD_GPIO_7__CAN1_TXCAN,
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MX6Q_PAD_CSI0_VSYNC__CHEETAH_TRACE_0,
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MX6Q_PAD_CSI0_DAT4__CHEETAH_TRACE_1,
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MX6Q_PAD_CSI0_DAT13__CHEETAH_TRACE_10,
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MX6Q_PAD_CSI0_DAT14__CHEETAH_TRACE_11,
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MX6Q_PAD_CSI0_DAT15__CHEETAH_TRACE_12,
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MX6Q_PAD_CSI0_DAT16__CHEETAH_TRACE_13,
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MX6Q_PAD_CSI0_DAT17__CHEETAH_TRACE_14,
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MX6Q_PAD_CSI0_DAT18__CHEETAH_TRACE_15,
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MX6Q_PAD_CSI0_DAT5__CHEETAH_TRACE_2,
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MX6Q_PAD_CSI0_DAT6__CHEETAH_TRACE_3,
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MX6Q_PAD_CSI0_DAT7__CHEETAH_TRACE_4,
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MX6Q_PAD_CSI0_DAT8__CHEETAH_TRACE_5,
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MX6Q_PAD_CSI0_DAT9__CHEETAH_TRACE_6,
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MX6Q_PAD_CSI0_DAT10__CHEETAH_TRACE_7,
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MX6Q_PAD_CSI0_DAT11__CHEETAH_TRACE_8,
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MX6Q_PAD_CSI0_DAT12__CHEETAH_TRACE_9,
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MX6Q_PAD_CSI0_DATA_EN__CHEETAH_TRCLK,
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MX6Q_PAD_CSI0_MCLK__CHEETAH_TRCTL,
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MX6Q_PAD_EIM_OE__ECSPI2_MISO,
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MX6Q_PAD_EIM_CS1__ECSPI2_MOSI,
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MX6Q_PAD_EIM_CS0__ECSPI2_SCLK,
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MX6Q_PAD_EIM_D24__ECSPI2_SS2,
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MX6Q_PAD_EIM_D25__ECSPI2_SS3,
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MX6Q_PAD_SD1_DAT0__ECSPI5_MISO,
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MX6Q_PAD_SD1_CMD__ECSPI5_MOSI,
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MX6Q_PAD_SD1_CLK__ECSPI5_SCLK,
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MX6Q_PAD_SD2_DAT3__GPIO_1_12,
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MX6Q_PAD_ENET_MDC__ENET_MDC,
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MX6Q_PAD_ENET_MDIO__ENET_MDIO,
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/* IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII = 0x80000, done in flash_header.c */
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MX6Q_PAD_RGMII_TD0__ENET_RGMII_TD0,
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MX6Q_PAD_RGMII_TD1__ENET_RGMII_TD1,
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MX6Q_PAD_RGMII_TD2__ENET_RGMII_TD2,
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MX6Q_PAD_RGMII_TD3__ENET_RGMII_TD3,
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MX6Q_PAD_RGMII_TX_CTL__ENET_RGMII_TX_CTL,
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MX6Q_PAD_RGMII_TXC__ENET_RGMII_TXC,
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MX6Q_PAD_ENET_REF_CLK__ENET_TX_CLK,
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MX6Q_PAD_GPIO_0__GPIO_1_0,
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MX6Q_PAD_GPIO_2__GPIO_1_2,
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MX6Q_PAD_ENET_CRS_DV__GPIO_1_25,
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MX6Q_PAD_ENET_RXD0__GPIO_1_27,
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MX6Q_PAD_ENET_TX_EN__GPIO_1_28,
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MX6Q_PAD_GPIO_3__GPIO_1_3,
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MX6Q_PAD_GPIO_4__GPIO_1_4,
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MX6Q_PAD_GPIO_5__GPIO_1_5,
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MX6Q_PAD_GPIO_8__GPIO_1_8,
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MX6Q_PAD_GPIO_9__GPIO_1_9,
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MX6Q_PAD_NANDF_D0__GPIO_2_0,
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MX6Q_PAD_NANDF_D1__GPIO_2_1,
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MX6Q_PAD_NANDF_D2__GPIO_2_2,
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MX6Q_PAD_EIM_A17__GPIO_2_21,
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MX6Q_PAD_EIM_A16__GPIO_2_22,
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MX6Q_PAD_EIM_LBA__GPIO_2_27,
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MX6Q_PAD_NANDF_D3__GPIO_2_3,
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MX6Q_PAD_NANDF_D4__GPIO_2_4,
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MX6Q_PAD_NANDF_D5__GPIO_2_5,
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MX6Q_PAD_NANDF_D6__GPIO_2_6,
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MX6Q_PAD_NANDF_D7__GPIO_2_7,
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MX6Q_PAD_EIM_DA10__GPIO_3_10,
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MX6Q_PAD_EIM_DA11__GPIO_3_11,
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MX6Q_PAD_EIM_DA12__GPIO_3_12,
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MX6Q_PAD_EIM_DA13__GPIO_3_13,
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MX6Q_PAD_EIM_DA14__GPIO_3_14,
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MX6Q_PAD_EIM_DA15__GPIO_3_15,
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MX6Q_PAD_EIM_D16__GPIO_3_16,
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MX6Q_PAD_EIM_D18__GPIO_3_18,
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MX6Q_PAD_EIM_D19__GPIO_3_19,
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MX6Q_PAD_EIM_D20__GPIO_3_20,
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MX6Q_PAD_EIM_D23__GPIO_3_23,
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MX6Q_PAD_EIM_D29__GPIO_3_29,
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MX6Q_PAD_EIM_D30__GPIO_3_30,
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MX6Q_PAD_EIM_DA8__GPIO_3_8,
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MX6Q_PAD_EIM_DA9__GPIO_3_9,
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MX6Q_PAD_KEY_COL2__GPIO_4_10,
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MX6Q_PAD_KEY_COL4__GPIO_4_14,
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MX6Q_PAD_KEY_ROW4__GPIO_4_15,
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MX6Q_PAD_GPIO_19__GPIO_4_5,
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MX6Q_PAD_KEY_COL0__GPIO_4_6,
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MX6Q_PAD_KEY_ROW0__GPIO_4_7,
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MX6Q_PAD_KEY_COL1__GPIO_4_8,
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MX6Q_PAD_KEY_ROW1__GPIO_4_9,
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MX6Q_PAD_EIM_WAIT__GPIO_5_0,
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MX6Q_PAD_EIM_A25__GPIO_5_2,
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MX6Q_PAD_EIM_A24__GPIO_5_4,
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MX6Q_PAD_EIM_BCLK__GPIO_6_31,
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MX6Q_PAD_SD3_DAT5__GPIO_7_0,
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MX6Q_PAD_SD3_DAT4__GPIO_7_1,
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MX6Q_PAD_GPIO_17__GPIO_7_12,
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MX6Q_PAD_GPIO_18__GPIO_7_13,
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MX6Q_PAD_SD3_RST__GPIO_7_8,
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MX6Q_PAD_EIM_D21__I2C1_SCL,
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MX6Q_PAD_EIM_D28__I2C1_SDA,
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MX6Q_PAD_EIM_EB2__I2C2_SCL,
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MX6Q_PAD_KEY_ROW3__I2C2_SDA,
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MX6Q_PAD_EIM_D17__I2C3_SCL,
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MX6Q_PAD_GPIO_6__I2C3_SDA,
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MX6Q_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
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MX6Q_PAD_DI0_PIN15__IPU1_DI0_PIN15,
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MX6Q_PAD_DI0_PIN2__IPU1_DI0_PIN2,
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MX6Q_PAD_DI0_PIN3__IPU1_DI0_PIN3,
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MX6Q_PAD_DI0_PIN4__IPU1_DI0_PIN4,
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MX6Q_PAD_DISP0_DAT0__IPU1_DISP0_DAT_0,
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MX6Q_PAD_DISP0_DAT1__IPU1_DISP0_DAT_1,
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MX6Q_PAD_DISP0_DAT10__IPU1_DISP0_DAT_10,
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MX6Q_PAD_DISP0_DAT11__IPU1_DISP0_DAT_11,
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MX6Q_PAD_DISP0_DAT12__IPU1_DISP0_DAT_12,
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MX6Q_PAD_DISP0_DAT13__IPU1_DISP0_DAT_13,
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MX6Q_PAD_DISP0_DAT14__IPU1_DISP0_DAT_14,
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MX6Q_PAD_DISP0_DAT15__IPU1_DISP0_DAT_15,
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MX6Q_PAD_DISP0_DAT16__IPU1_DISP0_DAT_16,
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MX6Q_PAD_DISP0_DAT17__IPU1_DISP0_DAT_17,
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MX6Q_PAD_DISP0_DAT18__IPU1_DISP0_DAT_18,
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MX6Q_PAD_DISP0_DAT19__IPU1_DISP0_DAT_19,
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MX6Q_PAD_DISP0_DAT2__IPU1_DISP0_DAT_2,
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MX6Q_PAD_DISP0_DAT20__IPU1_DISP0_DAT_20,
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MX6Q_PAD_DISP0_DAT21__IPU1_DISP0_DAT_21,
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MX6Q_PAD_DISP0_DAT22__IPU1_DISP0_DAT_22,
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MX6Q_PAD_DISP0_DAT23__IPU1_DISP0_DAT_23,
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MX6Q_PAD_DISP0_DAT3__IPU1_DISP0_DAT_3,
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MX6Q_PAD_DISP0_DAT4__IPU1_DISP0_DAT_4,
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MX6Q_PAD_DISP0_DAT5__IPU1_DISP0_DAT_5,
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MX6Q_PAD_DISP0_DAT6__IPU1_DISP0_DAT_6,
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MX6Q_PAD_DISP0_DAT7__IPU1_DISP0_DAT_7,
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MX6Q_PAD_DISP0_DAT8__IPU1_DISP0_DAT_8,
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MX6Q_PAD_DISP0_DAT9__IPU1_DISP0_DAT_9,
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MX6Q_PAD_SD1_DAT2__PWM2_PWMO,
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MX6Q_PAD_SD1_DAT1__PWM3_PWMO,
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MX6Q_PAD_GPIO_16__SJC_DE_B,
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MX6Q_PAD_KEY_COL3__SPDIF_IN1,
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MX6Q_PAD_EIM_D22__SPDIF_OUT1,
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MX6Q_PAD_SD3_DAT6__UART1_RXD,
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MX6Q_PAD_SD3_DAT7__UART1_TXD,
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MX6Q_PAD_EIM_D27__UART2_RXD,
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MX6Q_PAD_EIM_D26__UART2_TXD,
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MX6Q_PAD_EIM_D31__GPIO_3_31,
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MX6Q_PAD_SD3_CLK__USDHC3_CLK,
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MX6Q_PAD_SD3_CMD__USDHC3_CMD,
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MX6Q_PAD_SD3_DAT0__USDHC3_DAT0,
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MX6Q_PAD_SD3_DAT1__USDHC3_DAT1,
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MX6Q_PAD_SD3_DAT2__USDHC3_DAT2,
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MX6Q_PAD_SD3_DAT3__USDHC3_DAT3,
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MX6Q_PAD_SD4_CLK__USDHC4_CLK,
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MX6Q_PAD_SD4_CMD__USDHC4_CMD,
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MX6Q_PAD_SD4_DAT0__USDHC4_DAT0,
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MX6Q_PAD_SD4_DAT1__USDHC4_DAT1,
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MX6Q_PAD_SD4_DAT2__USDHC4_DAT2,
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MX6Q_PAD_SD4_DAT3__USDHC4_DAT3,
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MX6Q_PAD_SD4_DAT4__USDHC4_DAT4,
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MX6Q_PAD_SD4_DAT5__USDHC4_DAT5,
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MX6Q_PAD_SD4_DAT6__USDHC4_DAT6,
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MX6Q_PAD_SD4_DAT7__USDHC4_DAT7,
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MX6Q_PAD_NANDF_ALE__USDHC4_RST,
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MX6Q_PAD_NANDF_CS1__GPIO_6_14,
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MX6Q_PAD_NANDF_CS2__GPIO_6_15,
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};
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static iomux_v3_cfg_t realq7_pads_enet[] = {
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MX6Q_PAD_RGMII_RXC__ENET_RGMII_RXC,
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MX6Q_PAD_RGMII_RD0__ENET_RGMII_RD0,
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MX6Q_PAD_RGMII_RD1__ENET_RGMII_RD1,
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MX6Q_PAD_RGMII_RD2__ENET_RGMII_RD2,
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MX6Q_PAD_RGMII_RD3__ENET_RGMII_RD3,
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MX6Q_PAD_RGMII_RX_CTL__ENET_RGMII_RX_CTL,
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};
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#define RQ7_GPIO_ENET_PHYADD2 IMX_GPIO_NR(6, 30)
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#define RQ7_GPIO_ENET_MODE0 IMX_GPIO_NR(6, 25)
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#define RQ7_GPIO_ENET_MODE1 IMX_GPIO_NR(6, 27)
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#define RQ7_GPIO_ENET_MODE2 IMX_GPIO_NR(6, 28)
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#define RQ7_GPIO_ENET_MODE3 IMX_GPIO_NR(6, 29)
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#define RQ7_GPIO_ENET_EN_CLK125 IMX_GPIO_NR(6, 24)
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#define RQ7_GPIO_SD3_CD IMX_GPIO_NR(6, 14)
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#define RQ7_GPIO_SD3_WP IMX_GPIO_NR(6, 15)
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static iomux_v3_cfg_t realq7_pads_gpio[] = {
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MX6Q_PAD_RGMII_RXC__GPIO_6_30,
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MX6Q_PAD_RGMII_RD0__GPIO_6_25,
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MX6Q_PAD_RGMII_RD1__GPIO_6_27,
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MX6Q_PAD_RGMII_RD2__GPIO_6_28,
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MX6Q_PAD_RGMII_RD3__GPIO_6_29,
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MX6Q_PAD_RGMII_RX_CTL__GPIO_6_24,
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};
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static void mmd_write_reg(struct phy_device *dev, int device, int reg, int val)
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{
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phy_write(dev, 0x0d, device);
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phy_write(dev, 0x0e, reg);
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phy_write(dev, 0x0d, (1 << 14) | device);
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phy_write(dev, 0x0e, val);
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}
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static int ksz9031rn_phy_fixup(struct phy_device *dev)
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{
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/*
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* min rx data delay, max rx/tx clock delay,
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* min rx/tx control delay
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*/
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mmd_write_reg(dev, 2, 4, 0);
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mmd_write_reg(dev, 2, 5, 0);
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mmd_write_reg(dev, 2, 8, 0x003ff);
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return 0;
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}
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static struct fec_platform_data fec_info = {
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.xcv_type = PHY_INTERFACE_MODE_RGMII,
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.phy_addr = -1,
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};
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static void realq7_enet_init(void)
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{
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mxc_iomux_v3_setup_multiple_pads(realq7_pads_gpio, ARRAY_SIZE(realq7_pads_gpio));
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gpio_direction_output(RQ7_GPIO_ENET_PHYADD2, 0);
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gpio_direction_output(RQ7_GPIO_ENET_MODE0, 1);
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gpio_direction_output(RQ7_GPIO_ENET_MODE1, 1);
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gpio_direction_output(RQ7_GPIO_ENET_MODE2, 1);
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gpio_direction_output(RQ7_GPIO_ENET_MODE3, 1);
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gpio_direction_output(RQ7_GPIO_ENET_EN_CLK125, 1);
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gpio_direction_output(25, 0);
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mdelay(50);
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gpio_direction_output(25, 1);
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mdelay(50);
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mxc_iomux_v3_setup_multiple_pads(realq7_pads_enet, ARRAY_SIZE(realq7_pads_enet));
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phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK,
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ksz9031rn_phy_fixup);
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imx6_add_fec(&fec_info);
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}
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static int realq7_mem_init(void)
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{
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arm_add_mem_device("ram0", 0x10000000, SZ_2G);
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return 0;
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}
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mem_initcall(realq7_mem_init);
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static int realq7_spi_cs[] = { IMX_GPIO_NR(1, 12), };
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static struct spi_imx_master realq7_spi_0_data = {
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.chipselect = realq7_spi_cs,
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.num_chipselect = ARRAY_SIZE(realq7_spi_cs),
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};
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static const struct spi_board_info realq7_spi_board_info[] = {
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{
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.name = "m25p80",
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.max_speed_hz = 40000000,
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.bus_num = 4,
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.chip_select = 0,
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}
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};
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static struct esdhc_platform_data realq7_emmc_data = {
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.cd_type = ESDHC_CD_PERMANENT,
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
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.devname = "emmc",
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};
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static struct stmpe_platform_data stmpe1_pdata = {
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.gpio_base = 224,
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.blocks = STMPE_BLOCK_GPIO,
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};
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static struct stmpe_platform_data stmpe2_pdata = {
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.gpio_base = 240,
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.blocks = STMPE_BLOCK_GPIO,
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};
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static struct i2c_board_info realq7_i2c2_devices[] = {
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{
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I2C_BOARD_INFO("stmpe-i2c", 0x40),
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.platform_data = &stmpe1_pdata,
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}, {
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I2C_BOARD_INFO("stmpe-i2c", 0x44),
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.platform_data = &stmpe2_pdata,
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},
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};
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static int realq7_devices_init(void)
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{
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imx6_add_mmc2(NULL);
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imx6_add_mmc3(&realq7_emmc_data);
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realq7_enet_init();
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i2c_register_board_info(1, realq7_i2c2_devices,
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ARRAY_SIZE(realq7_i2c2_devices));
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imx6_add_i2c0(NULL);
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imx6_add_i2c1(NULL);
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imx6_add_i2c2(NULL);
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spi_register_board_info(realq7_spi_board_info,
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ARRAY_SIZE(realq7_spi_board_info));
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imx6_add_spi4(&realq7_spi_0_data);
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imx6_add_sata();
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imx6_bbu_internal_spi_i2c_register_handler("spiflash", "/dev/m25p0",
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BBU_HANDLER_FLAG_DEFAULT, NULL, 0, 0x00907000);
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imx6_bbu_internal_mmc_register_handler("mmc", "/dev/disk0",
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0, NULL, 0, 0x00907000);
|
|
|
|
return 0;
|
|
}
|
|
device_initcall(realq7_devices_init);
|
|
|
|
static int realq7_env_init(void)
|
|
{
|
|
char *source_str = NULL;
|
|
|
|
switch (bootsource_get()) {
|
|
case BOOTSOURCE_MMC:
|
|
if (!IS_ENABLED(CONFIG_MCI_STARTUP))
|
|
setenv("mci0.probe", "1");
|
|
devfs_add_partition("disk0", 0, SZ_1M, DEVFS_PARTITION_FIXED, "self0");
|
|
devfs_add_partition("disk0", SZ_1M, SZ_1M, DEVFS_PARTITION_FIXED, "env0");
|
|
source_str = "SD/MMC";
|
|
break;
|
|
case BOOTSOURCE_SPI:
|
|
devfs_add_partition("m25p0", 0, SZ_256K, DEVFS_PARTITION_FIXED, "self0");
|
|
devfs_add_partition("m25p0", SZ_256K, SZ_256K, DEVFS_PARTITION_FIXED, "env0");
|
|
source_str = "SPI flash";
|
|
break;
|
|
default:
|
|
printf("unknown Bootsource, no persistent environment\n");
|
|
break;
|
|
}
|
|
|
|
if (source_str)
|
|
printf("Using environment from %s\n", source_str);
|
|
|
|
return 0;
|
|
}
|
|
late_initcall(realq7_env_init);
|
|
|
|
static int realq7_console_init(void)
|
|
{
|
|
mxc_iomux_v3_setup_multiple_pads(realq7_pads, ARRAY_SIZE(realq7_pads));
|
|
|
|
imx6_init_lowlevel();
|
|
|
|
imx6_add_uart1();
|
|
|
|
return 0;
|
|
}
|
|
console_initcall(realq7_console_init);
|