mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
61c4c2bf1e
Add board-specific FDT function to store U-Boot version in device tree. Signed-off-by: Ian Ray <ian.ray@ge.com>
729 lines
19 KiB
C
729 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2015 Timesys Corporation
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* Copyright 2015 General Electric Company
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* Copyright 2012 Freescale Semiconductor, Inc.
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*/
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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 <linux/errno.h>
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#include <linux/libfdt.h>
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#include <asm/gpio.h>
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#include <asm/mach-imx/mxc_i2c.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/mach-imx/boot_mode.h>
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#include <asm/mach-imx/video.h>
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#include <miiphy.h>
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#include <net.h>
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#include <netdev.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/io.h>
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#include <asm/arch/sys_proto.h>
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#include <i2c.h>
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#include <input.h>
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#include <pwm.h>
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#include <version.h>
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#include <stdlib.h>
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#include "../common/ge_common.h"
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#include "../common/vpd_reader.h"
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#include "../../../drivers/net/e1000.h"
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DECLARE_GLOBAL_DATA_PTR;
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static int confidx = 3; /* Default to b850v3. */
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static struct vpd_cache vpd;
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#define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
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PAD_CTL_HYS)
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#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
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PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
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#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
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#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_SPEED_HIGH | 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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#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
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int dram_init(void)
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{
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gd->ram_size = imx_ddr_size();
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return 0;
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}
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static iomux_v3_cfg_t const uart3_pads[] = {
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MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const uart4_pads[] = {
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MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const enet_pads[] = {
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MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
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MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
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MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
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MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
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MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
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MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
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MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
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/* AR8033 PHY Reset */
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MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static void setup_iomux_enet(void)
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{
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imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
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/* Reset AR8033 PHY */
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gpio_request(IMX_GPIO_NR(1, 28), "fec_rst");
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gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
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mdelay(10);
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gpio_set_value(IMX_GPIO_NR(1, 28), 1);
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mdelay(1);
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}
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static struct i2c_pads_info i2c_pad_info1 = {
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.scl = {
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.i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
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.gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
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.gp = IMX_GPIO_NR(5, 27)
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},
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.sda = {
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.i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
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.gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
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.gp = IMX_GPIO_NR(5, 26)
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}
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};
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static struct i2c_pads_info i2c_pad_info2 = {
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.scl = {
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.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
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.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
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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 = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
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.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
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.gp = IMX_GPIO_NR(4, 13)
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}
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};
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static struct i2c_pads_info i2c_pad_info3 = {
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.scl = {
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.i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
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.gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
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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 = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
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.gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
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.gp = IMX_GPIO_NR(1, 6)
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}
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};
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static iomux_v3_cfg_t const pcie_pads[] = {
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MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
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MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static void setup_pcie(void)
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{
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imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
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}
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static void setup_iomux_uart(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
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imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
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}
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static int mx6_rgmii_rework(struct phy_device *phydev)
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{
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/* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
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/* set device address 0x7 */
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phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
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/* offset 0x8016: CLK_25M Clock Select */
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phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
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/* enable register write, no post increment, address 0x7 */
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phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
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/* set to 125 MHz from local PLL source */
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phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
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/* rgmii tx clock delay enable */
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/* set debug port address: SerDes Test and System Mode Control */
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
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/* enable rgmii tx clock delay */
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/* set the reserved bits to avoid board specific voltage peak issue*/
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
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return 0;
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}
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int board_phy_config(struct phy_device *phydev)
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{
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mx6_rgmii_rework(phydev);
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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#if defined(CONFIG_VIDEO_IPUV3)
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static iomux_v3_cfg_t const backlight_pads[] = {
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/* Power for LVDS Display */
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MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
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#define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
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/* Backlight enable for LVDS display */
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MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
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#define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
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/* backlight PWM brightness control */
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MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static void do_enable_hdmi(struct display_info_t const *dev)
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{
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imx_enable_hdmi_phy();
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}
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int board_cfb_skip(void)
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{
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gpio_direction_output(LVDS_POWER_GP, 1);
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return 0;
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}
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static int is_b850v3(void)
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{
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return confidx == 3;
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}
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static int detect_lcd(struct display_info_t const *dev)
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{
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return !is_b850v3();
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}
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struct display_info_t const displays[] = {{
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.bus = -1,
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.addr = -1,
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.pixfmt = IPU_PIX_FMT_RGB24,
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.detect = detect_lcd,
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.enable = NULL,
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.mode = {
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.name = "G121X1-L03",
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.refresh = 60,
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.xres = 1024,
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.yres = 768,
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.pixclock = 15385,
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.left_margin = 20,
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.right_margin = 300,
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.upper_margin = 30,
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.lower_margin = 8,
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.hsync_len = 1,
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.vsync_len = 1,
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.sync = FB_SYNC_EXT,
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.vmode = FB_VMODE_NONINTERLACED
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} }, {
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.bus = -1,
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.addr = 3,
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.pixfmt = IPU_PIX_FMT_RGB24,
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.detect = detect_hdmi,
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.enable = do_enable_hdmi,
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.mode = {
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.name = "HDMI",
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.refresh = 60,
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.xres = 1024,
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.yres = 768,
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.pixclock = 15385,
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.left_margin = 220,
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.right_margin = 40,
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.upper_margin = 21,
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.lower_margin = 7,
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.hsync_len = 60,
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.vsync_len = 10,
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.sync = FB_SYNC_EXT,
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.vmode = FB_VMODE_NONINTERLACED
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} } };
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size_t display_count = ARRAY_SIZE(displays);
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static void enable_videopll(void)
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{
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struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
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s32 timeout = 100000;
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setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
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/* PLL_VIDEO 455MHz (24MHz * (37+11/12) / 2)
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* |
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* PLL5
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* |
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* CS2CDR[LDB_DI0_CLK_SEL]
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* |
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* +----> LDB_DI0_SERIAL_CLK_ROOT
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* |
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* +--> CSCMR2[LDB_DI0_IPU_DIV] --> LDB_DI0_IPU 455 / 7 = 65 MHz
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*/
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clrsetbits_le32(&ccm->analog_pll_video,
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BM_ANADIG_PLL_VIDEO_DIV_SELECT |
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BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
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BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
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BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1));
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writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
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writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
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clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
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while (timeout--)
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if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
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break;
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if (timeout < 0)
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printf("Warning: video pll lock timeout!\n");
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clrsetbits_le32(&ccm->analog_pll_video,
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BM_ANADIG_PLL_VIDEO_BYPASS,
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BM_ANADIG_PLL_VIDEO_ENABLE);
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}
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static void setup_display_b850v3(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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struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
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enable_videopll();
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/* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
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setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
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imx_setup_hdmi();
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/* Set LDB_DI0 as clock source for IPU_DI0 */
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clrsetbits_le32(&mxc_ccm->chsccdr,
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MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
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(CHSCCDR_CLK_SEL_LDB_DI0 <<
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MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
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/* Turn on IPU LDB DI0 clocks */
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setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
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enable_ipu_clock();
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writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
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IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
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IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
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IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
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IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
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IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
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IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
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IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
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IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
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IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
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&iomux->gpr[2]);
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clrbits_le32(&iomux->gpr[3],
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IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
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IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
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IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
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}
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static void setup_display_bx50v3(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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struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
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enable_videopll();
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/* When a reset/reboot is performed the display power needs to be turned
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* off for atleast 500ms. The boot time is ~300ms, we need to wait for
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* an additional 200ms here. Unfortunately we use external PMIC for
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* doing the reset, so can not differentiate between POR vs soft reset
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*/
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mdelay(200);
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/* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
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setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
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/* Set LDB_DI0 as clock source for IPU_DI0 */
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clrsetbits_le32(&mxc_ccm->chsccdr,
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MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
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(CHSCCDR_CLK_SEL_LDB_DI0 <<
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MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
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/* Turn on IPU LDB DI0 clocks */
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setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
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enable_ipu_clock();
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writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
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IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
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IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
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IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
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IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
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&iomux->gpr[2]);
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clrsetbits_le32(&iomux->gpr[3],
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IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
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(IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
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IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
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/* backlights off until needed */
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|
imx_iomux_v3_setup_multiple_pads(backlight_pads,
|
|
ARRAY_SIZE(backlight_pads));
|
|
gpio_request(LVDS_POWER_GP, "lvds_power");
|
|
gpio_direction_input(LVDS_POWER_GP);
|
|
}
|
|
#endif /* CONFIG_VIDEO_IPUV3 */
|
|
|
|
/*
|
|
* Do not overwrite the console
|
|
* Use always serial for U-Boot console
|
|
*/
|
|
int overwrite_console(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#define VPD_TYPE_INVALID 0x00
|
|
#define VPD_BLOCK_NETWORK 0x20
|
|
#define VPD_BLOCK_HWID 0x44
|
|
#define VPD_PRODUCT_B850 1
|
|
#define VPD_PRODUCT_B650 2
|
|
#define VPD_PRODUCT_B450 3
|
|
#define VPD_HAS_MAC1 0x1
|
|
#define VPD_HAS_MAC2 0x2
|
|
#define VPD_MAC_ADDRESS_LENGTH 6
|
|
|
|
struct vpd_cache {
|
|
bool is_read;
|
|
u8 product_id;
|
|
u8 has;
|
|
unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
|
|
unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
|
|
};
|
|
|
|
/*
|
|
* Extracts MAC and product information from the VPD.
|
|
*/
|
|
static int vpd_callback(struct vpd_cache *vpd, u8 id, u8 version, u8 type,
|
|
size_t size, u8 const *data)
|
|
{
|
|
if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
|
|
size >= 1) {
|
|
vpd->product_id = data[0];
|
|
} else if (id == VPD_BLOCK_NETWORK && version == 1 &&
|
|
type != VPD_TYPE_INVALID) {
|
|
if (size >= 6) {
|
|
vpd->has |= VPD_HAS_MAC1;
|
|
memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
|
|
}
|
|
if (size >= 12) {
|
|
vpd->has |= VPD_HAS_MAC2;
|
|
memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void process_vpd(struct vpd_cache *vpd)
|
|
{
|
|
int fec_index = -1;
|
|
int i210_index = -1;
|
|
|
|
if (!vpd->is_read) {
|
|
printf("VPD wasn't read");
|
|
return;
|
|
}
|
|
|
|
switch (vpd->product_id) {
|
|
case VPD_PRODUCT_B450:
|
|
env_set("confidx", "1");
|
|
i210_index = 0;
|
|
fec_index = 1;
|
|
break;
|
|
case VPD_PRODUCT_B650:
|
|
env_set("confidx", "2");
|
|
i210_index = 0;
|
|
fec_index = 1;
|
|
break;
|
|
case VPD_PRODUCT_B850:
|
|
env_set("confidx", "3");
|
|
i210_index = 1;
|
|
fec_index = 2;
|
|
break;
|
|
}
|
|
|
|
if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
|
|
eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
|
|
|
|
if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
|
|
eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
|
|
}
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
setup_iomux_enet();
|
|
setup_pcie();
|
|
|
|
e1000_initialize(bis);
|
|
|
|
return cpu_eth_init(bis);
|
|
}
|
|
|
|
static iomux_v3_cfg_t const misc_pads[] = {
|
|
MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_GPIO_9__WDOG1_B | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
};
|
|
#define SUS_S3_OUT IMX_GPIO_NR(4, 11)
|
|
#define WIFI_EN IMX_GPIO_NR(6, 14)
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(misc_pads,
|
|
ARRAY_SIZE(misc_pads));
|
|
|
|
setup_iomux_uart();
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
/* Set LDB clock to Video PLL */
|
|
select_ldb_di_clock_source(MXC_PLL5_CLK);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void set_confidx(const struct vpd_cache* vpd)
|
|
{
|
|
switch (vpd->product_id) {
|
|
case VPD_PRODUCT_B450:
|
|
confidx = 1;
|
|
break;
|
|
case VPD_PRODUCT_B650:
|
|
confidx = 2;
|
|
break;
|
|
case VPD_PRODUCT_B850:
|
|
confidx = 3;
|
|
break;
|
|
}
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
|
|
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
|
|
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
|
|
|
|
if (!read_vpd(&vpd, vpd_callback)) {
|
|
vpd.is_read = true;
|
|
set_confidx(&vpd);
|
|
}
|
|
|
|
gpio_request(SUS_S3_OUT, "sus_s3_out");
|
|
gpio_direction_output(SUS_S3_OUT, 1);
|
|
|
|
gpio_request(WIFI_EN, "wifi_en");
|
|
gpio_direction_output(WIFI_EN, 1);
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
if (is_b850v3())
|
|
setup_display_b850v3();
|
|
else
|
|
setup_display_bx50v3();
|
|
|
|
gpio_request(LVDS_BACKLIGHT_GP, "lvds_backlight");
|
|
gpio_direction_input(LVDS_BACKLIGHT_GP);
|
|
#endif
|
|
|
|
/* address of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
static const struct boot_mode board_boot_modes[] = {
|
|
/* 4 bit bus width */
|
|
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
|
|
{"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
|
|
{NULL, 0},
|
|
};
|
|
#endif
|
|
|
|
void pmic_init(void)
|
|
{
|
|
#define I2C_PMIC 0x2
|
|
#define DA9063_I2C_ADDR 0x58
|
|
#define DA9063_REG_BCORE2_CFG 0x9D
|
|
#define DA9063_REG_BCORE1_CFG 0x9E
|
|
#define DA9063_REG_BPRO_CFG 0x9F
|
|
#define DA9063_REG_BIO_CFG 0xA0
|
|
#define DA9063_REG_BMEM_CFG 0xA1
|
|
#define DA9063_REG_BPERI_CFG 0xA2
|
|
#define DA9063_BUCK_MODE_MASK 0xC0
|
|
#define DA9063_BUCK_MODE_MANUAL 0x00
|
|
#define DA9063_BUCK_MODE_SLEEP 0x40
|
|
#define DA9063_BUCK_MODE_SYNC 0x80
|
|
#define DA9063_BUCK_MODE_AUTO 0xC0
|
|
|
|
uchar val;
|
|
|
|
i2c_set_bus_num(I2C_PMIC);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
process_vpd(&vpd);
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
add_board_boot_modes(board_boot_modes);
|
|
#endif
|
|
|
|
if (is_b850v3())
|
|
env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
|
|
else
|
|
env_set("videoargs", "video=LVDS-1:1024x768@65");
|
|
|
|
/* board specific pmic init */
|
|
pmic_init();
|
|
|
|
check_time();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Removes the 'eth[0-9]*addr' environment variable with the given index
|
|
*
|
|
* @param index [in] the index of the eth_device whose variable is to be removed
|
|
*/
|
|
static void remove_ethaddr_env_var(int index)
|
|
{
|
|
char env_var_name[9];
|
|
|
|
sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
|
|
env_set(env_var_name, NULL);
|
|
}
|
|
|
|
int last_stage_init(void)
|
|
{
|
|
int i;
|
|
|
|
/*
|
|
* Remove first three ethaddr which may have been created by
|
|
* function process_vpd().
|
|
*/
|
|
for (i = 0; i < 3; ++i)
|
|
remove_ethaddr_env_var(i);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int checkboard(void)
|
|
{
|
|
printf("BOARD: %s\n", CONFIG_BOARD_NAME);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OF_BOARD_SETUP
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
fdt_setprop(blob, 0, "ge,boot-ver", version_string,
|
|
strlen(version_string) + 1);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
#ifdef CONFIG_VIDEO_IPUV3
|
|
/* We need at least 200ms between power on and backlight on
|
|
* as per specifications from CHI MEI */
|
|
mdelay(250);
|
|
|
|
/* enable backlight PWM 1 */
|
|
pwm_init(0, 0, 0);
|
|
|
|
/* duty cycle 5000000ns, period: 5000000ns */
|
|
pwm_config(0, 5000000, 5000000);
|
|
|
|
/* Backlight Power */
|
|
gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
|
|
|
|
pwm_enable(0);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bx50_backlight_enable, 1, 1, do_backlight_enable,
|
|
"enable Bx50 backlight",
|
|
""
|
|
);
|