upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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1471 lines
38 KiB
1471 lines
38 KiB
/*
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* Copyright (C) 2013 Gateworks Corporation
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*
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* Author: Tim Harvey <tharvey@gateworks.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/mxc_hdmi.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/imx-common/iomux-v3.h>
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#include <asm/imx-common/mxc_i2c.h>
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#include <asm/imx-common/boot_mode.h>
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#include <asm/imx-common/sata.h>
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#include <asm/imx-common/video.h>
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#include <jffs2/load_kernel.h>
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#include <hwconfig.h>
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#include <i2c.h>
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#include <linux/ctype.h>
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#include <fdt_support.h>
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#include <fsl_esdhc.h>
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#include <miiphy.h>
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#include <mmc.h>
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#include <mtd_node.h>
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#include <netdev.h>
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#include <power/pmic.h>
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#include <power/ltc3676_pmic.h>
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#include <power/pfuze100_pmic.h>
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#include <fdt_support.h>
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#include <jffs2/load_kernel.h>
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#include <spi_flash.h>
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#include "gsc.h"
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#include "ventana_eeprom.h"
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DECLARE_GLOBAL_DATA_PTR;
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/* GPIO's common to all baseboards */
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#define GP_PHY_RST IMX_GPIO_NR(1, 30)
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#define GP_USB_OTG_PWR IMX_GPIO_NR(3, 22)
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#define GP_SD3_CD IMX_GPIO_NR(7, 0)
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#define GP_RS232_EN IMX_GPIO_NR(2, 11)
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#define GP_MSATA_SEL IMX_GPIO_NR(2, 8)
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/* I2C bus numbers */
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#define I2C_GSC 0
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#define I2C_PMIC 1
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#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
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PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
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#define SPI_PAD_CTRL (PAD_CTL_HYS | \
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PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
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#define DIO_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST)
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#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
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PAD_CTL_ODE | PAD_CTL_SRE_FAST)
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/*
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* EEPROM board info struct populated by read_eeprom so that we only have to
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* read it once.
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*/
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static struct ventana_board_info ventana_info;
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int board_type;
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/* UART1: Function varies per baseboard */
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iomux_v3_cfg_t const uart1_pads[] = {
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IOMUX_PADS(PAD_SD3_DAT6__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT7__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
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};
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/* UART2: Serial Console */
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iomux_v3_cfg_t const uart2_pads[] = {
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IOMUX_PADS(PAD_SD4_DAT7__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_DAT4__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
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};
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#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
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/* I2C1: GSC */
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struct i2c_pads_info mx6q_i2c_pad_info0 = {
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.scl = {
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.i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | PC,
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.gpio_mode = MX6Q_PAD_EIM_D21__GPIO3_IO21 | PC,
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.gp = IMX_GPIO_NR(3, 21)
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},
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.sda = {
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.i2c_mode = MX6Q_PAD_EIM_D28__I2C1_SDA | PC,
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.gpio_mode = MX6Q_PAD_EIM_D28__GPIO3_IO28 | PC,
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.gp = IMX_GPIO_NR(3, 28)
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}
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};
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struct i2c_pads_info mx6dl_i2c_pad_info0 = {
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.scl = {
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.i2c_mode = MX6DL_PAD_EIM_D21__I2C1_SCL | PC,
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.gpio_mode = MX6DL_PAD_EIM_D21__GPIO3_IO21 | PC,
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.gp = IMX_GPIO_NR(3, 21)
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},
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.sda = {
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.i2c_mode = MX6DL_PAD_EIM_D28__I2C1_SDA | PC,
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.gpio_mode = MX6DL_PAD_EIM_D28__GPIO3_IO28 | PC,
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.gp = IMX_GPIO_NR(3, 28)
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}
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};
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/* I2C2: PMIC/PCIe Switch/PCIe Clock/Mezz */
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struct i2c_pads_info mx6q_i2c_pad_info1 = {
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.scl = {
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.i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC,
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.gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC,
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.gp = IMX_GPIO_NR(4, 12)
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},
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.sda = {
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.i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC,
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.gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | PC,
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.gp = IMX_GPIO_NR(4, 13)
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}
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};
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struct i2c_pads_info mx6dl_i2c_pad_info1 = {
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.scl = {
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.i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC,
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.gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC,
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.gp = IMX_GPIO_NR(4, 12)
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},
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.sda = {
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.i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | PC,
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.gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | PC,
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.gp = IMX_GPIO_NR(4, 13)
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}
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};
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/* I2C3: Misc/Expansion */
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struct i2c_pads_info mx6q_i2c_pad_info2 = {
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.scl = {
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.i2c_mode = MX6Q_PAD_GPIO_3__I2C3_SCL | PC,
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.gpio_mode = MX6Q_PAD_GPIO_3__GPIO1_IO03 | PC,
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.gp = IMX_GPIO_NR(1, 3)
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},
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.sda = {
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.i2c_mode = MX6Q_PAD_GPIO_6__I2C3_SDA | PC,
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.gpio_mode = MX6Q_PAD_GPIO_6__GPIO1_IO06 | PC,
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.gp = IMX_GPIO_NR(1, 6)
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}
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};
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struct i2c_pads_info mx6dl_i2c_pad_info2 = {
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.scl = {
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.i2c_mode = MX6DL_PAD_GPIO_3__I2C3_SCL | PC,
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.gpio_mode = MX6DL_PAD_GPIO_3__GPIO1_IO03 | PC,
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.gp = IMX_GPIO_NR(1, 3)
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},
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.sda = {
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.i2c_mode = MX6DL_PAD_GPIO_6__I2C3_SDA | PC,
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.gpio_mode = MX6DL_PAD_GPIO_6__GPIO1_IO06 | PC,
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.gp = IMX_GPIO_NR(1, 6)
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}
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};
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/* MMC */
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iomux_v3_cfg_t const usdhc3_pads[] = {
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IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
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/* CD */
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IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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};
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/* ENET */
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iomux_v3_cfg_t const enet_pads[] = {
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IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
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MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
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MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
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IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
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MUX_PAD_CTRL(ENET_PAD_CTRL)),
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/* PHY nRST */
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IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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};
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/* NAND */
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iomux_v3_cfg_t const nfc_pads[] = {
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IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
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};
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#ifdef CONFIG_CMD_NAND
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static void setup_gpmi_nand(void)
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{
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struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
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/* config gpmi nand iomux */
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SETUP_IOMUX_PADS(nfc_pads);
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/* config gpmi and bch clock to 100 MHz */
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clrsetbits_le32(&mxc_ccm->cs2cdr,
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MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
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MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
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MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
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MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
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MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
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MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
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/* enable gpmi and bch clock gating */
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setbits_le32(&mxc_ccm->CCGR4,
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MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
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MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
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MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
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MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
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MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
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/* enable apbh clock gating */
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setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
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}
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#endif
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static void setup_iomux_enet(void)
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{
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SETUP_IOMUX_PADS(enet_pads);
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/* toggle PHY_RST# */
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gpio_direction_output(GP_PHY_RST, 0);
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mdelay(2);
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gpio_set_value(GP_PHY_RST, 1);
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}
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static void setup_iomux_uart(void)
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{
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SETUP_IOMUX_PADS(uart1_pads);
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SETUP_IOMUX_PADS(uart2_pads);
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}
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#ifdef CONFIG_USB_EHCI_MX6
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iomux_v3_cfg_t const usb_pads[] = {
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IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(DIO_PAD_CTRL)),
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IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | MUX_PAD_CTRL(DIO_PAD_CTRL)),
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/* OTG PWR */
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IOMUX_PADS(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(DIO_PAD_CTRL)),
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};
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int board_ehci_hcd_init(int port)
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{
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struct ventana_board_info *info = &ventana_info;
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SETUP_IOMUX_PADS(usb_pads);
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/* Reset USB HUB (present on GW54xx/GW53xx) */
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switch (info->model[3]) {
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case '3': /* GW53xx */
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SETUP_IOMUX_PAD(PAD_GPIO_9__GPIO1_IO09 |
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MUX_PAD_CTRL(NO_PAD_CTRL));
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gpio_direction_output(IMX_GPIO_NR(1, 9), 0);
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mdelay(2);
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gpio_set_value(IMX_GPIO_NR(1, 9), 1);
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break;
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case '4': /* GW54xx */
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SETUP_IOMUX_PAD(PAD_SD1_DAT0__GPIO1_IO16 |
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MUX_PAD_CTRL(NO_PAD_CTRL));
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gpio_direction_output(IMX_GPIO_NR(1, 16), 0);
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mdelay(2);
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gpio_set_value(IMX_GPIO_NR(1, 16), 1);
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break;
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}
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return 0;
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}
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int board_ehci_power(int port, int on)
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{
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if (port)
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return 0;
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gpio_set_value(GP_USB_OTG_PWR, on);
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return 0;
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}
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#endif /* CONFIG_USB_EHCI_MX6 */
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#ifdef CONFIG_FSL_ESDHC
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struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR };
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int board_mmc_getcd(struct mmc *mmc)
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{
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/* Card Detect */
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gpio_direction_input(GP_SD3_CD);
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return !gpio_get_value(GP_SD3_CD);
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}
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int board_mmc_init(bd_t *bis)
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{
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/* Only one USDHC controller on Ventana */
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SETUP_IOMUX_PADS(usdhc3_pads);
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usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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usdhc_cfg.max_bus_width = 4;
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return fsl_esdhc_initialize(bis, &usdhc_cfg);
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}
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#endif /* CONFIG_FSL_ESDHC */
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#ifdef CONFIG_MXC_SPI
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iomux_v3_cfg_t const ecspi1_pads[] = {
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/* SS1 */
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IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
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};
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static void setup_spi(void)
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{
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gpio_direction_output(CONFIG_SF_DEFAULT_CS, 1);
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SETUP_IOMUX_PADS(ecspi1_pads);
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}
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#endif
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/* configure eth0 PHY board-specific LED behavior */
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int board_phy_config(struct phy_device *phydev)
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{
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unsigned short val;
|
|
|
|
/* Marvel 88E1510 */
|
|
if (phydev->phy_id == 0x1410dd1) {
|
|
/*
|
|
* Page 3, Register 16: LED[2:0] Function Control Register
|
|
* LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
|
|
* LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
|
|
*/
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
|
|
val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
|
|
val &= 0xff00;
|
|
val |= 0x0017;
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
|
|
}
|
|
|
|
if (phydev->drv->config)
|
|
phydev->drv->config(phydev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
setup_iomux_enet();
|
|
|
|
#ifdef CONFIG_FEC_MXC
|
|
cpu_eth_init(bis);
|
|
#endif
|
|
|
|
#ifdef CONFIG_CI_UDC
|
|
/* For otg ethernet*/
|
|
usb_eth_initialize(bis);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
|
|
static void enable_hdmi(struct display_info_t const *dev)
|
|
{
|
|
imx_enable_hdmi_phy();
|
|
}
|
|
|
|
static int detect_i2c(struct display_info_t const *dev)
|
|
{
|
|
return i2c_set_bus_num(dev->bus) == 0 &&
|
|
i2c_probe(dev->addr) == 0;
|
|
}
|
|
|
|
static void enable_lvds(struct display_info_t const *dev)
|
|
{
|
|
struct iomuxc *iomux = (struct iomuxc *)
|
|
IOMUXC_BASE_ADDR;
|
|
|
|
/* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
|
|
u32 reg = readl(&iomux->gpr[2]);
|
|
reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
|
|
writel(reg, &iomux->gpr[2]);
|
|
|
|
/* Enable Backlight */
|
|
SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL));
|
|
gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
|
|
}
|
|
|
|
struct display_info_t const displays[] = {{
|
|
/* HDMI Output */
|
|
.bus = -1,
|
|
.addr = 0,
|
|
.pixfmt = IPU_PIX_FMT_RGB24,
|
|
.detect = detect_hdmi,
|
|
.enable = enable_hdmi,
|
|
.mode = {
|
|
.name = "HDMI",
|
|
.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
|
|
} }, {
|
|
/* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
|
|
.bus = 2,
|
|
.addr = 0x4,
|
|
.pixfmt = IPU_PIX_FMT_LVDS666,
|
|
.detect = detect_i2c,
|
|
.enable = enable_lvds,
|
|
.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
|
|
} } };
|
|
size_t display_count = ARRAY_SIZE(displays);
|
|
|
|
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;
|
|
|
|
enable_ipu_clock();
|
|
imx_setup_hdmi();
|
|
/* Turn on LDB0,IPU,IPU DI0 clocks */
|
|
reg = __raw_readl(&mxc_ccm->CCGR3);
|
|
reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
|
|
writel(reg, &mxc_ccm->CCGR3);
|
|
|
|
/* set LDB0, LDB1 clk select to 011/011 */
|
|
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;
|
|
writel(reg, &mxc_ccm->cscmr2);
|
|
|
|
reg = readl(&mxc_ccm->chsccdr);
|
|
reg |= (CHSCCDR_CLK_SEL_LDB_DI0
|
|
<<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
|
|
writel(reg, &mxc_ccm->chsccdr);
|
|
|
|
reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
|
|
|IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
|
|
|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_CH1_MODE_DISABLED
|
|
|IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
|
|
writel(reg, &iomux->gpr[2]);
|
|
|
|
reg = readl(&iomux->gpr[3]);
|
|
reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
|
|
| (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
|
|
<<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
|
|
writel(reg, &iomux->gpr[3]);
|
|
|
|
/* Backlight CABEN on LVDS connector */
|
|
SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL));
|
|
gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
|
|
}
|
|
#endif /* CONFIG_VIDEO_IPUV3 */
|
|
|
|
/*
|
|
* Baseboard specific GPIO
|
|
*/
|
|
|
|
/* common to add baseboards */
|
|
static iomux_v3_cfg_t const gw_gpio_pads[] = {
|
|
/* MSATA_EN */
|
|
IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* RS232_EN# */
|
|
IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
};
|
|
|
|
/* prototype */
|
|
static iomux_v3_cfg_t const gwproto_gpio_pads[] = {
|
|
/* PANLEDG# */
|
|
IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PANLEDR# */
|
|
IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* LOCLED# */
|
|
IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* RS485_EN */
|
|
IOMUX_PADS(PAD_SD3_DAT4__GPIO7_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_PWREN# */
|
|
IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_IRQ# */
|
|
IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* VID_EN */
|
|
IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* DIOI2C_DIS# */
|
|
IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCICK_SSON */
|
|
IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCI_RST# */
|
|
IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const gw51xx_gpio_pads[] = {
|
|
/* PANLEDG# */
|
|
IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PANLEDR# */
|
|
IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_PWREN# */
|
|
IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_IRQ# */
|
|
IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
|
|
/* GPS_SHDN */
|
|
IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* VID_PWR */
|
|
IOMUX_PADS(PAD_CSI0_DATA_EN__GPIO5_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCI_RST# */
|
|
IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const gw52xx_gpio_pads[] = {
|
|
/* PANLEDG# */
|
|
IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PANLEDR# */
|
|
IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_PWREN# */
|
|
IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_IRQ# */
|
|
IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
|
|
/* MX6_LOCLED# */
|
|
IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* GPS_SHDN */
|
|
IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* USBOTG_SEL */
|
|
IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* VID_PWR */
|
|
IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCI_RST# */
|
|
IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const gw53xx_gpio_pads[] = {
|
|
/* PANLEDG# */
|
|
IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PANLEDR# */
|
|
IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_PWREN# */
|
|
IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_IRQ# */
|
|
IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
|
|
/* MX6_LOCLED# */
|
|
IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* GPS_SHDN */
|
|
IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* VID_EN */
|
|
IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCI_RST# */
|
|
IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const gw54xx_gpio_pads[] = {
|
|
/* PANLEDG# */
|
|
IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PANLEDR# */
|
|
IOMUX_PADS(PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* MX6_LOCLED# */
|
|
IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* MIPI_DIO */
|
|
IOMUX_PADS(PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* RS485_EN */
|
|
IOMUX_PADS(PAD_EIM_D24__GPIO3_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_PWREN# */
|
|
IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* IOEXP_IRQ# */
|
|
IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* DIOI2C_DIS# */
|
|
IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* DIOI2C_DIS# */
|
|
IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCICK_SSON */
|
|
IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
/* PCI_RST# */
|
|
IOMUX_PADS(PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
|
|
};
|
|
|
|
/*
|
|
* each baseboard has 4 user configurable Digital IO lines which can
|
|
* be pinmuxed as a GPIO or in some cases a PWM
|
|
*/
|
|
struct dio_cfg {
|
|
iomux_v3_cfg_t gpio_padmux[2];
|
|
unsigned gpio_param;
|
|
iomux_v3_cfg_t pwm_padmux[2];
|
|
unsigned pwm_param;
|
|
};
|
|
|
|
struct ventana {
|
|
/* pinmux */
|
|
iomux_v3_cfg_t const *gpio_pads;
|
|
int num_pads;
|
|
/* DIO pinmux/val */
|
|
struct dio_cfg dio_cfg[4];
|
|
/* various gpios (0 if non-existent) */
|
|
int leds[3];
|
|
int pcie_rst;
|
|
int mezz_pwren;
|
|
int mezz_irq;
|
|
int rs485en;
|
|
int gps_shdn;
|
|
int vidin_en;
|
|
int dioi2c_en;
|
|
int pcie_sson;
|
|
int usb_sel;
|
|
};
|
|
|
|
struct ventana gpio_cfg[] = {
|
|
/* GW5400proto */
|
|
{
|
|
.gpio_pads = gw54xx_gpio_pads,
|
|
.num_pads = ARRAY_SIZE(gw54xx_gpio_pads)/2,
|
|
.dio_cfg = {
|
|
{
|
|
{ IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09) },
|
|
IMX_GPIO_NR(1, 9),
|
|
{ IOMUX_PADS(PAD_GPIO_9__PWM1_OUT) },
|
|
1
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
|
|
IMX_GPIO_NR(1, 19),
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
|
|
2
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD4_DAT1__GPIO2_IO09) },
|
|
IMX_GPIO_NR(2, 9),
|
|
{ IOMUX_PADS(PAD_SD4_DAT1__PWM3_OUT) },
|
|
3
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10) },
|
|
IMX_GPIO_NR(2, 10),
|
|
{ IOMUX_PADS(PAD_SD4_DAT2__PWM4_OUT) },
|
|
4
|
|
},
|
|
},
|
|
.leds = {
|
|
IMX_GPIO_NR(4, 6),
|
|
IMX_GPIO_NR(4, 10),
|
|
IMX_GPIO_NR(4, 15),
|
|
},
|
|
.pcie_rst = IMX_GPIO_NR(1, 29),
|
|
.mezz_pwren = IMX_GPIO_NR(4, 7),
|
|
.mezz_irq = IMX_GPIO_NR(4, 9),
|
|
.rs485en = IMX_GPIO_NR(3, 24),
|
|
.dioi2c_en = IMX_GPIO_NR(4, 5),
|
|
.pcie_sson = IMX_GPIO_NR(1, 20),
|
|
},
|
|
|
|
/* GW51xx */
|
|
{
|
|
.gpio_pads = gw51xx_gpio_pads,
|
|
.num_pads = ARRAY_SIZE(gw51xx_gpio_pads)/2,
|
|
.dio_cfg = {
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
|
|
IMX_GPIO_NR(1, 16),
|
|
{ 0, 0 },
|
|
0
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
|
|
IMX_GPIO_NR(1, 19),
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
|
|
2
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
|
|
IMX_GPIO_NR(1, 17),
|
|
{ IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
|
|
3
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_CMD__GPIO1_IO18) },
|
|
IMX_GPIO_NR(1, 18),
|
|
{ IOMUX_PADS(PAD_SD1_CMD__PWM4_OUT) },
|
|
4
|
|
},
|
|
},
|
|
.leds = {
|
|
IMX_GPIO_NR(4, 6),
|
|
IMX_GPIO_NR(4, 10),
|
|
},
|
|
.pcie_rst = IMX_GPIO_NR(1, 0),
|
|
.mezz_pwren = IMX_GPIO_NR(2, 19),
|
|
.mezz_irq = IMX_GPIO_NR(2, 18),
|
|
.gps_shdn = IMX_GPIO_NR(1, 2),
|
|
.vidin_en = IMX_GPIO_NR(5, 20),
|
|
},
|
|
|
|
/* GW52xx */
|
|
{
|
|
.gpio_pads = gw52xx_gpio_pads,
|
|
.num_pads = ARRAY_SIZE(gw52xx_gpio_pads)/2,
|
|
.dio_cfg = {
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
|
|
IMX_GPIO_NR(1, 16),
|
|
{ 0, 0 },
|
|
0
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
|
|
IMX_GPIO_NR(1, 19),
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
|
|
2
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
|
|
IMX_GPIO_NR(1, 17),
|
|
{ IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
|
|
3
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) },
|
|
IMX_GPIO_NR(1, 20),
|
|
{ 0, 0 },
|
|
0
|
|
},
|
|
},
|
|
.leds = {
|
|
IMX_GPIO_NR(4, 6),
|
|
IMX_GPIO_NR(4, 7),
|
|
IMX_GPIO_NR(4, 15),
|
|
},
|
|
.pcie_rst = IMX_GPIO_NR(1, 29),
|
|
.mezz_pwren = IMX_GPIO_NR(2, 19),
|
|
.mezz_irq = IMX_GPIO_NR(2, 18),
|
|
.gps_shdn = IMX_GPIO_NR(1, 27),
|
|
.vidin_en = IMX_GPIO_NR(3, 31),
|
|
.usb_sel = IMX_GPIO_NR(1, 2),
|
|
},
|
|
|
|
/* GW53xx */
|
|
{
|
|
.gpio_pads = gw53xx_gpio_pads,
|
|
.num_pads = ARRAY_SIZE(gw53xx_gpio_pads)/2,
|
|
.dio_cfg = {
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
|
|
IMX_GPIO_NR(1, 16),
|
|
{ 0, 0 },
|
|
0
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
|
|
IMX_GPIO_NR(1, 19),
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
|
|
2
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
|
|
IMX_GPIO_NR(1, 17),
|
|
{ IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
|
|
3
|
|
},
|
|
{
|
|
{IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) },
|
|
IMX_GPIO_NR(1, 20),
|
|
{ 0, 0 },
|
|
0
|
|
},
|
|
},
|
|
.leds = {
|
|
IMX_GPIO_NR(4, 6),
|
|
IMX_GPIO_NR(4, 7),
|
|
IMX_GPIO_NR(4, 15),
|
|
},
|
|
.pcie_rst = IMX_GPIO_NR(1, 29),
|
|
.mezz_pwren = IMX_GPIO_NR(2, 19),
|
|
.mezz_irq = IMX_GPIO_NR(2, 18),
|
|
.gps_shdn = IMX_GPIO_NR(1, 27),
|
|
.vidin_en = IMX_GPIO_NR(3, 31),
|
|
},
|
|
|
|
/* GW54xx */
|
|
{
|
|
.gpio_pads = gw54xx_gpio_pads,
|
|
.num_pads = ARRAY_SIZE(gw54xx_gpio_pads)/2,
|
|
.dio_cfg = {
|
|
{
|
|
{ IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09) },
|
|
IMX_GPIO_NR(1, 9),
|
|
{ IOMUX_PADS(PAD_GPIO_9__PWM1_OUT) },
|
|
1
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
|
|
IMX_GPIO_NR(1, 19),
|
|
{ IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
|
|
2
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD4_DAT1__GPIO2_IO09) },
|
|
IMX_GPIO_NR(2, 9),
|
|
{ IOMUX_PADS(PAD_SD4_DAT1__PWM3_OUT) },
|
|
3
|
|
},
|
|
{
|
|
{ IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10) },
|
|
IMX_GPIO_NR(2, 10),
|
|
{ IOMUX_PADS(PAD_SD4_DAT2__PWM4_OUT) },
|
|
4
|
|
},
|
|
},
|
|
.leds = {
|
|
IMX_GPIO_NR(4, 6),
|
|
IMX_GPIO_NR(4, 7),
|
|
IMX_GPIO_NR(4, 15),
|
|
},
|
|
.pcie_rst = IMX_GPIO_NR(1, 29),
|
|
.mezz_pwren = IMX_GPIO_NR(2, 19),
|
|
.mezz_irq = IMX_GPIO_NR(2, 18),
|
|
.rs485en = IMX_GPIO_NR(7, 1),
|
|
.vidin_en = IMX_GPIO_NR(3, 31),
|
|
.dioi2c_en = IMX_GPIO_NR(4, 5),
|
|
.pcie_sson = IMX_GPIO_NR(1, 20),
|
|
},
|
|
};
|
|
|
|
/* setup board specific PMIC */
|
|
int power_init_board(void)
|
|
{
|
|
struct pmic *p;
|
|
u32 reg;
|
|
|
|
/* configure PFUZE100 PMIC */
|
|
if (board_type == GW54xx || board_type == GW54proto) {
|
|
power_pfuze100_init(I2C_PMIC);
|
|
p = pmic_get("PFUZE100_PMIC");
|
|
if (p && !pmic_probe(p)) {
|
|
pmic_reg_read(p, PFUZE100_DEVICEID, ®);
|
|
printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
|
|
|
|
/* Set VGEN1 to 1.5V and enable */
|
|
pmic_reg_read(p, PFUZE100_VGEN1VOL, ®);
|
|
reg &= ~(LDO_VOL_MASK);
|
|
reg |= (LDOA_1_50V | LDO_EN);
|
|
pmic_reg_write(p, PFUZE100_VGEN1VOL, reg);
|
|
|
|
/* Set SWBST to 5.0V and enable */
|
|
pmic_reg_read(p, PFUZE100_SWBSTCON1, ®);
|
|
reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
|
|
reg |= (SWBST_5_00V | SWBST_MODE_AUTO);
|
|
pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
|
|
}
|
|
}
|
|
|
|
/* configure LTC3676 PMIC */
|
|
else {
|
|
power_ltc3676_init(I2C_PMIC);
|
|
p = pmic_get("LTC3676_PMIC");
|
|
if (p && !pmic_probe(p)) {
|
|
puts("PMIC: LTC3676\n");
|
|
/* set board-specific scalar to 1225mV for IMX6Q@1GHz */
|
|
if (is_cpu_type(MXC_CPU_MX6Q)) {
|
|
/* mask PGOOD during SW1 transition */
|
|
reg = 0x1d | LTC3676_PGOOD_MASK;
|
|
pmic_reg_write(p, LTC3676_DVB1B, reg);
|
|
/* set SW1 (VDD_SOC) to 1259mV */
|
|
reg = 0x1d;
|
|
pmic_reg_write(p, LTC3676_DVB1A, reg);
|
|
|
|
/* mask PGOOD during SW3 transition */
|
|
reg = 0x1d | LTC3676_PGOOD_MASK;
|
|
pmic_reg_write(p, LTC3676_DVB3B, reg);
|
|
/*set SW3 (VDD_ARM) to 1259mV */
|
|
reg = 0x1d;
|
|
pmic_reg_write(p, LTC3676_DVB3A, reg);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* setup GPIO pinmux and default configuration per baseboard */
|
|
static void setup_board_gpio(int board)
|
|
{
|
|
struct ventana_board_info *info = &ventana_info;
|
|
const char *s;
|
|
char arg[10];
|
|
size_t len;
|
|
int i;
|
|
int quiet = simple_strtol(getenv("quiet"), NULL, 10);
|
|
|
|
if (board >= GW_UNKNOWN)
|
|
return;
|
|
|
|
/* RS232_EN# */
|
|
gpio_direction_output(GP_RS232_EN, (hwconfig("rs232")) ? 0 : 1);
|
|
|
|
/* MSATA Enable */
|
|
if (is_cpu_type(MXC_CPU_MX6Q) &&
|
|
test_bit(EECONFIG_SATA, info->config)) {
|
|
gpio_direction_output(GP_MSATA_SEL,
|
|
(hwconfig("msata")) ? 1 : 0);
|
|
} else {
|
|
gpio_direction_output(GP_MSATA_SEL, 0);
|
|
}
|
|
|
|
/*
|
|
* assert PCI_RST# (released by OS when clock is valid)
|
|
* TODO: figure out why leaving this de-asserted from PCI scan on boot
|
|
* causes linux pcie driver to hang during enumeration
|
|
*/
|
|
gpio_direction_output(gpio_cfg[board].pcie_rst, 0);
|
|
|
|
/* turn off (active-high) user LED's */
|
|
for (i = 0; i < 4; i++) {
|
|
if (gpio_cfg[board].leds[i])
|
|
gpio_direction_output(gpio_cfg[board].leds[i], 1);
|
|
}
|
|
|
|
/* Expansion Mezzanine IO */
|
|
gpio_direction_output(gpio_cfg[board].mezz_pwren, 0);
|
|
gpio_direction_input(gpio_cfg[board].mezz_irq);
|
|
|
|
/* RS485 Transmit Enable */
|
|
if (gpio_cfg[board].rs485en)
|
|
gpio_direction_output(gpio_cfg[board].rs485en, 0);
|
|
|
|
/* GPS_SHDN */
|
|
if (gpio_cfg[board].gps_shdn)
|
|
gpio_direction_output(gpio_cfg[board].gps_shdn, 1);
|
|
|
|
/* Analog video codec power enable */
|
|
if (gpio_cfg[board].vidin_en)
|
|
gpio_direction_output(gpio_cfg[board].vidin_en, 1);
|
|
|
|
/* DIOI2C_DIS# */
|
|
if (gpio_cfg[board].dioi2c_en)
|
|
gpio_direction_output(gpio_cfg[board].dioi2c_en, 0);
|
|
|
|
/* PCICK_SSON: disable spread-spectrum clock */
|
|
if (gpio_cfg[board].pcie_sson)
|
|
gpio_direction_output(gpio_cfg[board].pcie_sson, 0);
|
|
|
|
/* USBOTG Select (PCISKT or FrontPanel) */
|
|
if (gpio_cfg[board].usb_sel)
|
|
gpio_direction_output(gpio_cfg[board].usb_sel, 0);
|
|
|
|
/*
|
|
* Configure DIO pinmux/padctl registers
|
|
* see IMX6DQRM/IMX6SDLRM IOMUXC_SW_PAD_CTL_PAD_* register definitions
|
|
*/
|
|
for (i = 0; i < 4; i++) {
|
|
struct dio_cfg *cfg = &gpio_cfg[board].dio_cfg[i];
|
|
unsigned ctrl = DIO_PAD_CTRL;
|
|
unsigned cputype = is_cpu_type(MXC_CPU_MX6Q) ? 0 : 1;
|
|
|
|
sprintf(arg, "dio%d", i);
|
|
if (!hwconfig(arg))
|
|
continue;
|
|
s = hwconfig_subarg(arg, "padctrl", &len);
|
|
if (s)
|
|
ctrl = simple_strtoul(s, NULL, 16) & 0x3ffff;
|
|
if (hwconfig_subarg_cmp(arg, "mode", "gpio")) {
|
|
if (!quiet) {
|
|
printf("DIO%d: GPIO%d_IO%02d (gpio-%d)\n", i,
|
|
(cfg->gpio_param/32)+1,
|
|
cfg->gpio_param%32,
|
|
cfg->gpio_param);
|
|
}
|
|
imx_iomux_v3_setup_pad(cfg->gpio_padmux[cputype] |
|
|
MUX_PAD_CTRL(ctrl));
|
|
gpio_direction_input(cfg->gpio_param);
|
|
} else if (hwconfig_subarg_cmp("dio2", "mode", "pwm") &&
|
|
cfg->pwm_padmux) {
|
|
if (!quiet)
|
|
printf("DIO%d: pwm%d\n", i, cfg->pwm_param);
|
|
imx_iomux_v3_setup_pad(cfg->pwm_padmux[cputype] |
|
|
MUX_PAD_CTRL(ctrl));
|
|
}
|
|
}
|
|
|
|
if (!quiet) {
|
|
if (is_cpu_type(MXC_CPU_MX6Q) &&
|
|
(test_bit(EECONFIG_SATA, info->config))) {
|
|
printf("MSATA: %s\n", (hwconfig("msata") ?
|
|
"enabled" : "disabled"));
|
|
}
|
|
printf("RS232: %s\n", (hwconfig("rs232")) ?
|
|
"enabled" : "disabled");
|
|
}
|
|
}
|
|
|
|
#if defined(CONFIG_CMD_PCI)
|
|
int imx6_pcie_toggle_reset(void)
|
|
{
|
|
if (board_type < GW_UNKNOWN) {
|
|
uint pin = gpio_cfg[board_type].pcie_rst;
|
|
gpio_direction_output(pin, 0);
|
|
mdelay(50);
|
|
gpio_direction_output(pin, 1);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_CMD_PCI */
|
|
|
|
#ifdef CONFIG_SERIAL_TAG
|
|
/*
|
|
* called when setting up ATAGS before booting kernel
|
|
* populate serialnum from the following (in order of priority):
|
|
* serial# env var
|
|
* eeprom
|
|
*/
|
|
void get_board_serial(struct tag_serialnr *serialnr)
|
|
{
|
|
char *serial = getenv("serial#");
|
|
|
|
if (serial) {
|
|
serialnr->high = 0;
|
|
serialnr->low = simple_strtoul(serial, NULL, 10);
|
|
} else if (ventana_info.model[0]) {
|
|
serialnr->high = 0;
|
|
serialnr->low = ventana_info.serial;
|
|
} else {
|
|
serialnr->high = 0;
|
|
serialnr->low = 0;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Board Support
|
|
*/
|
|
|
|
/* called from SPL board_init_f() */
|
|
int board_early_init_f(void)
|
|
{
|
|
setup_iomux_uart();
|
|
gpio_direction_output(GP_USB_OTG_PWR, 0); /* OTG power off */
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
setup_display();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = imx_ddr_size();
|
|
return 0;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
struct iomuxc_base_regs *const iomuxc_regs
|
|
= (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR;
|
|
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1],
|
|
IOMUXC_GPR1_OTG_ID_MASK,
|
|
IOMUXC_GPR1_OTG_ID_GPIO1);
|
|
|
|
/* address of linux boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
#ifdef CONFIG_CMD_NAND
|
|
setup_gpmi_nand();
|
|
#endif
|
|
#ifdef CONFIG_MXC_SPI
|
|
setup_spi();
|
|
#endif
|
|
if (is_cpu_type(MXC_CPU_MX6Q)) {
|
|
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info0);
|
|
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1);
|
|
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info2);
|
|
} else {
|
|
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info0);
|
|
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1);
|
|
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info2);
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_SATA
|
|
setup_sata();
|
|
#endif
|
|
/* read Gateworks EEPROM into global struct (used later) */
|
|
board_type = read_eeprom(I2C_GSC, &ventana_info);
|
|
|
|
/* board-specifc GPIO iomux */
|
|
SETUP_IOMUX_PADS(gw_gpio_pads);
|
|
if (board_type < GW_UNKNOWN) {
|
|
iomux_v3_cfg_t const *p = gpio_cfg[board_type].gpio_pads;
|
|
int count = gpio_cfg[board_type].num_pads;
|
|
|
|
imx_iomux_v3_setup_multiple_pads(p, count);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
|
|
/*
|
|
* called during late init (after relocation and after board_init())
|
|
* by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and
|
|
* EEPROM read.
|
|
*/
|
|
int checkboard(void)
|
|
{
|
|
struct ventana_board_info *info = &ventana_info;
|
|
unsigned char buf[4];
|
|
const char *p;
|
|
int quiet; /* Quiet or minimal output mode */
|
|
|
|
quiet = 0;
|
|
p = getenv("quiet");
|
|
if (p)
|
|
quiet = simple_strtol(p, NULL, 10);
|
|
else
|
|
setenv("quiet", "0");
|
|
|
|
puts("\nGateworks Corporation Copyright 2014\n");
|
|
if (info->model[0]) {
|
|
printf("Model: %s\n", info->model);
|
|
printf("MFGDate: %02x-%02x-%02x%02x\n",
|
|
info->mfgdate[0], info->mfgdate[1],
|
|
info->mfgdate[2], info->mfgdate[3]);
|
|
printf("Serial:%d\n", info->serial);
|
|
} else {
|
|
puts("Invalid EEPROM - board will not function fully\n");
|
|
}
|
|
if (quiet)
|
|
return 0;
|
|
|
|
/* Display GSC firmware revision/CRC/status */
|
|
i2c_set_bus_num(I2C_GSC);
|
|
if (!gsc_i2c_read(GSC_SC_ADDR, GSC_SC_FWVER, 1, buf, 1)) {
|
|
printf("GSC: v%d", buf[0]);
|
|
if (!gsc_i2c_read(GSC_SC_ADDR, GSC_SC_STATUS, 1, buf, 4)) {
|
|
printf(" 0x%04x", buf[2] | buf[3]<<8); /* CRC */
|
|
printf(" 0x%02x", buf[0]); /* irq status */
|
|
}
|
|
puts("\n");
|
|
}
|
|
/* Display RTC */
|
|
if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) {
|
|
printf("RTC: %d\n",
|
|
buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
/*
|
|
* BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
|
|
* see Table 8-11 and Table 5-9
|
|
* BOOT_CFG1[7] = 1 (boot from NAND)
|
|
* BOOT_CFG1[5] = 0 - raw NAND
|
|
* BOOT_CFG1[4] = 0 - default pad settings
|
|
* BOOT_CFG1[3:2] = 00 - devices = 1
|
|
* BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
|
|
* BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
|
|
* BOOT_CFG2[2:1] = 01 - Pages In Block = 64
|
|
* BOOT_CFG2[0] = 0 - Reset time 12ms
|
|
*/
|
|
static const struct boot_mode board_boot_modes[] = {
|
|
/* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
|
|
{ "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
|
|
{ NULL, 0 },
|
|
};
|
|
#endif
|
|
|
|
/* late init */
|
|
int misc_init_r(void)
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{
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struct ventana_board_info *info = &ventana_info;
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unsigned char reg;
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/* set env vars based on EEPROM data */
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if (ventana_info.model[0]) {
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char str[16], fdt[36];
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char *p;
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const char *cputype = "";
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int i;
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/*
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* FDT name will be prefixed with CPU type. Three versions
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* will be created each increasingly generic and bootloader
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* env scripts will try loading each from most specific to
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* least.
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*/
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if (is_cpu_type(MXC_CPU_MX6Q) ||
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is_cpu_type(MXC_CPU_MX6D))
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cputype = "imx6q";
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else if (is_cpu_type(MXC_CPU_MX6DL) ||
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is_cpu_type(MXC_CPU_MX6SOLO))
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cputype = "imx6dl";
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memset(str, 0, sizeof(str));
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for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++)
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str[i] = tolower(info->model[i]);
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if (!getenv("model"))
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setenv("model", str);
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if (!getenv("fdt_file")) {
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sprintf(fdt, "%s-%s.dtb", cputype, str);
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setenv("fdt_file", fdt);
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}
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p = strchr(str, '-');
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if (p) {
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*p++ = 0;
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setenv("model_base", str);
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if (!getenv("fdt_file1")) {
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sprintf(fdt, "%s-%s.dtb", cputype, str);
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setenv("fdt_file1", fdt);
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}
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str[4] = 'x';
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str[5] = 'x';
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str[6] = 0;
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if (!getenv("fdt_file2")) {
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sprintf(fdt, "%s-%s.dtb", cputype, str);
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setenv("fdt_file2", fdt);
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}
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}
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/* initialize env from EEPROM */
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if (test_bit(EECONFIG_ETH0, info->config) &&
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!getenv("ethaddr")) {
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eth_setenv_enetaddr("ethaddr", info->mac0);
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}
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if (test_bit(EECONFIG_ETH1, info->config) &&
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!getenv("eth1addr")) {
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eth_setenv_enetaddr("eth1addr", info->mac1);
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}
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/* board serial-number */
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sprintf(str, "%6d", info->serial);
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setenv("serial#", str);
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}
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|
|
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/* setup baseboard specific GPIO pinmux and config */
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setup_board_gpio(board_type);
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#ifdef CONFIG_CMD_BMODE
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add_board_boot_modes(board_boot_modes);
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#endif
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/*
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* The Gateworks System Controller implements a boot
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* watchdog (always enabled) as a workaround for IMX6 boot related
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* errata such as:
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* ERR005768 - no fix
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* ERR006282 - fixed in silicon r1.3
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* ERR007117 - fixed in silicon r1.3
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* ERR007220 - fixed in silicon r1.3
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* see http://cache.freescale.com/files/32bit/doc/errata/IMX6DQCE.pdf
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*
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* Disable the boot watchdog and display/clear the timeout flag if set
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*/
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i2c_set_bus_num(I2C_GSC);
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if (!gsc_i2c_read(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1)) {
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reg |= (1 << GSC_SC_CTRL1_WDDIS);
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if (gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1))
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puts("Error: could not disable GSC Watchdog\n");
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} else {
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puts("Error: could not disable GSC Watchdog\n");
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}
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if (!gsc_i2c_read(GSC_SC_ADDR, GSC_SC_STATUS, 1, ®, 1)) {
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if (reg & (1 << GSC_SC_IRQ_WATCHDOG)) { /* watchdog timeout */
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puts("GSC boot watchdog timeout detected");
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reg &= ~(1 << GSC_SC_IRQ_WATCHDOG); /* clear flag */
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gsc_i2c_write(GSC_SC_ADDR, GSC_SC_STATUS, 1, ®, 1);
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}
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}
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return 0;
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}
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|
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|
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
|
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/* FDT aliases associated with EEPROM config bits */
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const char *fdt_aliases[] = {
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"ethernet0",
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"ethernet1",
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"hdmi_out",
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"ahci0",
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"pcie",
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"ssi0",
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"ssi1",
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"lcd0",
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"lvds0",
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"lvds1",
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"usb0",
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|
"usb1",
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"mmc0",
|
|
"mmc1",
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|
"mmc2",
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|
"mmc3",
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|
"uart0",
|
|
"uart1",
|
|
"uart2",
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|
"uart3",
|
|
"uart4",
|
|
"ipu0",
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|
"ipu1",
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|
"can0",
|
|
"mipi_dsi",
|
|
"mipi_csi",
|
|
"tzasc0",
|
|
"tzasc1",
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"i2c0",
|
|
"i2c1",
|
|
"i2c2",
|
|
"vpu",
|
|
"csi0",
|
|
"csi1",
|
|
"caam",
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
"spi0",
|
|
"spi1",
|
|
"spi2",
|
|
"spi3",
|
|
"spi4",
|
|
"spi5",
|
|
NULL,
|
|
NULL,
|
|
"pps",
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
"hdmi_in",
|
|
"cvbs_out",
|
|
"cvbs_in",
|
|
"nand",
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
};
|
|
|
|
/*
|
|
* called prior to booting kernel or by 'fdt boardsetup' command
|
|
*
|
|
* unless 'fdt_noauto' env var is set we will update the following in the DTB:
|
|
* - mtd partitions based on mtdparts/mtdids env
|
|
* - system-serial (board serial num from EEPROM)
|
|
* - board (full model from EEPROM)
|
|
* - peripherals removed from DTB if not loaded on board (per EEPROM config)
|
|
*/
|
|
void ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
int bit;
|
|
struct ventana_board_info *info = &ventana_info;
|
|
struct node_info nodes[] = {
|
|
{ "sst,w25q256", MTD_DEV_TYPE_NOR, }, /* SPI flash */
|
|
{ "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
|
|
};
|
|
const char *model = getenv("model");
|
|
|
|
if (getenv("fdt_noauto")) {
|
|
puts(" Skiping ft_board_setup (fdt_noauto defined)\n");
|
|
return;
|
|
}
|
|
|
|
/* Update partition nodes using info from mtdparts env var */
|
|
puts(" Updating MTD partitions...\n");
|
|
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
|
|
|
|
if (!model) {
|
|
puts("invalid board info: Leaving FDT fully enabled\n");
|
|
return;
|
|
}
|
|
printf(" Adjusting FDT per EEPROM for %s...\n", model);
|
|
|
|
/* board serial number */
|
|
fdt_setprop(blob, 0, "system-serial", getenv("serial#"),
|
|
strlen(getenv("serial#")) + 1);
|
|
|
|
/* board (model contains model from device-tree) */
|
|
fdt_setprop(blob, 0, "board", info->model,
|
|
strlen((const char *)info->model) + 1);
|
|
|
|
/*
|
|
* Peripheral Config:
|
|
* remove nodes by alias path if EEPROM config tells us the
|
|
* peripheral is not loaded on the board.
|
|
*/
|
|
for (bit = 0; bit < 64; bit++) {
|
|
if (!test_bit(bit, info->config))
|
|
fdt_del_node_and_alias(blob, fdt_aliases[bit]);
|
|
}
|
|
}
|
|
#endif /* defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) */
|
|
|
|
|