board: Add support for Sielaff i.MX6 Solo board

The Sielaff i.MX6 Solo board is a control and HMI board for vending
machines. Add support for this board.

The devicetree files are taken from pending changes in the Linux
kernel that are available from linux-next and will likely be
part of Linux v6.9.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
This commit is contained in:
Frieder Schrempf 2024-02-15 15:00:35 +01:00 committed by Fabio Estevam
parent d4091971ab
commit 588399c2d5
12 changed files with 1257 additions and 0 deletions

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@ -930,6 +930,7 @@ dtb-y += \
imx6dl-riotboard.dtb \
imx6dl-sabreauto.dtb \
imx6dl-sabresd.dtb \
imx6dl-sielaff.dtb \
imx6dl-wandboard-revd1.dtb \
imx6s-dhcom-drc02.dtb

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@ -0,0 +1,38 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Copyright (C) 2022 Kontron Electronics GmbH
*/
#include "imx6qdl-u-boot.dtsi"
/ {
binman: binman {
filename = "flash.bin";
pad-byte = <0x00>;
spl: blob-ext@1 {
offset = <0x0>;
filename = "SPL";
};
uboot: blob-ext@2 {
offset = <0x11000>;
filename = "u-boot.img";
};
};
wdt-reboot {
compatible = "wdt-reboot";
wdt = <&wdog1>;
};
};
&fec {
phy-mode = "rmii";
phy-reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
phy-reset-duration = <100>;
};
&gpmi {
fsl,legacy-bch-geometry;
};

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@ -0,0 +1,533 @@
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Copyright (C) 2022 Kontron Electronics GmbH
*/
/dts-v1/;
#include "imx6dl.dtsi"
#include <dt-bindings/clock/imx6qdl-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
model = "Sielaff i.MX6 Solo";
compatible = "sielaff,imx6dl-board", "fsl,imx6dl";
chosen {
stdout-path = &uart2;
};
backlight: pwm-backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_backlight>;
pwms = <&pwm3 0 50000 0>;
brightness-levels = <0 0 64 88 112 136 184 232 255>;
default-brightness-level = <4>;
enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;
power-supply = <&reg_backlight>;
};
cec {
compatible = "cec-gpio";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hdmi_cec>;
cec-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
hdmi-phandle = <&hdmi>;
};
enet_ref: clock-enet-ref {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <50000000>;
clock-output-names = "enet-ref";
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_keys>;
key-0 {
gpios = <&gpio2 16 0>;
debounce-interval = <10>;
linux,code = <1>;
};
key-1 {
gpios = <&gpio3 27 0>;
debounce-interval = <10>;
linux,code = <2>;
};
key-2 {
gpios = <&gpio5 4 0>;
debounce-interval = <10>;
linux,code = <3>;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_leds>;
led-debug {
label = "debug-led";
gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>;
default-state = "off";
linux,default-trigger = "heartbeat";
};
};
memory@80000000 {
reg = <0x80000000 0x20000000>;
device_type = "memory";
};
osc_eth_phy: clock-osc-eth-phy {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <25000000>;
clock-output-names = "osc-eth-phy";
};
panel {
compatible = "lg,lb070wv8";
backlight = <&backlight>;
power-supply = <&reg_3v3>;
port {
panel_in_lvds: endpoint {
remote-endpoint = <&lvds_out>;
};
};
};
reg_3v3: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_backlight: regulator-backlight {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_reg_backlight>;
enable-active-high;
gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
regulator-name = "backlight";
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
};
reg_usb_otg_vbus: regulator-usb-otg-vbus {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;
enable-active-high;
gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
regulator-name = "usb_otg_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
};
&ecspi2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi2>;
cs-gpios = <&gpio5 29 GPIO_ACTIVE_LOW>;
status = "okay";
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <20000000>;
};
};
&fec {
/*
* Set PTP clock to external instead of internal reference, as the
* REF_CLK from the PHY is fed back into the i.MX6 and the GPR
* register needs to be set accordingly (see mach-imx6q.c).
*/
clocks = <&clks IMX6QDL_CLK_ENET>,
<&clks IMX6QDL_CLK_ENET>,
<&enet_ref>,
<&clks IMX6QDL_CLK_ENET_REF>;
clock-names = "ipg", "ahb", "ptp", "enet_out";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
phy-connection-type = "rmii";
phy-handle = <&ethphy>;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethphy: ethernet-phy@1 {
reg = <1>;
clocks = <&osc_eth_phy>;
clock-names = "rmii-ref";
micrel,led-mode = <1>;
reset-assert-us = <500>;
reset-deassert-us = <100>;
reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
};
};
};
&gpio1 {
gpio-line-names =
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "key-out", "key-in",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
};
&gpio2 {
gpio-line-names =
"", "", "", "", "", "", "", "",
"lan9500a-rst", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
};
&gpmi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpmi_nand>;
status = "okay";
};
&hdmi {
ddc-i2c-bus = <&i2c4>;
status = "okay";
};
&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
clock-frequency = <100000>;
status = "okay";
rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
};
&i2c3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
clock-frequency = <100000>;
status = "okay";
touchscreen@55 {
compatible = "sitronix,st1633";
reg = <0x55>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_touch>;
interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
interrupt-parent = <&gpio5>;
gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
status = "disabled";
};
touchscreen@5d {
compatible = "goodix,gt928";
reg = <0x5d>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_touch>;
interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
interrupt-parent = <&gpio5>;
irq-gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
status = "disabled";
};
};
&i2c4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c4>;
clock-frequency = <100000>;
status = "okay";
};
&ldb {
status = "okay";
lvds: lvds-channel@0 {
fsl,data-mapping = "spwg";
fsl,data-width = <24>;
status = "okay";
port@4 {
reg = <4>;
lvds_out: endpoint {
remote-endpoint = <&panel_in_lvds>;
};
};
};
};
&pwm3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm3>;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
status = "okay";
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
status = "okay";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
status = "okay";
};
&usbh1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbh1>;
disable-over-current;
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
usb1@1 {
compatible = "usb4b4,6570";
reg = <1>;
clocks = <&clks IMX6QDL_CLK_CKO>;
assigned-clocks = <&clks IMX6QDL_CLK_CKO>,
<&clks IMX6QDL_CLK_CKO2_SEL>;
assigned-clock-parents = <&clks IMX6QDL_CLK_CKO2>,
<&clks IMX6QDL_CLK_OSC>;
assigned-clock-rates = <12000000 0>;
};
};
&usbotg {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg>;
dr_mode = "host";
over-current-active-low;
vbus-supply = <&reg_usb_otg_vbus>;
status = "okay";
};
&usdhc3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc3>;
cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
vmmc-supply = <&reg_3v3>;
voltage-ranges = <3300 3300>;
no-1-8-v;
status = "okay";
};
&wdog1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
fsl,ext-reset-output;
status = "okay";
};
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
pinctrl_hog: hoggrp {
fsl,pins = <
MX6QDL_PAD_RGMII_RD0__GPIO6_IO25 0x1b0b0 /* PMIC_IRQ */
MX6QDL_PAD_SD2_DAT3__GPIO1_IO12 0x1b0b0
MX6QDL_PAD_SD2_DAT1__GPIO1_IO14 0x1b0b0
MX6QDL_PAD_SD2_DAT0__GPIO1_IO15 0x1b0b0
MX6QDL_PAD_SD4_DAT0__GPIO2_IO08 0x1b0b0
MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x1b0b0
>;
};
pinctrl_backlight: backlightgrp {
fsl,pins = <
MX6QDL_PAD_NANDF_CS3__GPIO6_IO16 0x100b1
>;
};
pinctrl_ecspi2: ecspi2grp {
fsl,pins = <
MX6QDL_PAD_CSI0_DAT10__ECSPI2_MISO 0x100b1
MX6QDL_PAD_CSI0_DAT9__ECSPI2_MOSI 0x100b1
MX6QDL_PAD_CSI0_DAT8__ECSPI2_SCLK 0x100b1
MX6QDL_PAD_CSI0_DAT11__GPIO5_IO29 0x100b1
>;
};
pinctrl_enet: enetgrp {
fsl,pins = <
MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
MX6QDL_PAD_ENET_RXD0__ENET_RX_DATA0 0x1b0b0
MX6QDL_PAD_ENET_RXD1__ENET_RX_DATA1 0x1b0b0
MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN 0x1b0b0
MX6QDL_PAD_ENET_RX_ER__ENET_RX_ER 0x1b0b0
MX6QDL_PAD_ENET_TXD0__ENET_TX_DATA0 0x1b0b0
MX6QDL_PAD_ENET_TXD1__ENET_TX_DATA1 0x1b0b0
MX6QDL_PAD_ENET_TX_EN__ENET_TX_EN 0x1b0b0
MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8
MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x100b1
>;
};
pinctrl_gpio_keys: gpiokeysgrp {
fsl,pins = <
MX6QDL_PAD_EIM_A22__GPIO2_IO16 0x1b080
MX6QDL_PAD_EIM_D27__GPIO3_IO27 0x1b080
MX6QDL_PAD_EIM_A24__GPIO5_IO04 0x1b080
>;
};
pinctrl_gpio_leds: gpioledsgrp {
fsl,pins = <
MX6QDL_PAD_CSI0_VSYNC__GPIO5_IO21 0x1b0b0
>;
};
pinctrl_gpmi_nand: gpminandgrp {
fsl,pins = <
MX6QDL_PAD_NANDF_CLE__NAND_CLE 0xb0b1
MX6QDL_PAD_NANDF_ALE__NAND_ALE 0xb0b1
MX6QDL_PAD_NANDF_WP_B__NAND_WP_B 0xb0b1
MX6QDL_PAD_NANDF_RB0__NAND_READY_B 0xb000
MX6QDL_PAD_NANDF_CS0__NAND_CE0_B 0xb0b1
MX6QDL_PAD_SD4_CMD__NAND_RE_B 0xb0b1
MX6QDL_PAD_SD4_CLK__NAND_WE_B 0xb0b1
MX6QDL_PAD_NANDF_D0__NAND_DATA00 0xb0b1
MX6QDL_PAD_NANDF_D1__NAND_DATA01 0xb0b1
MX6QDL_PAD_NANDF_D2__NAND_DATA02 0xb0b1
MX6QDL_PAD_NANDF_D3__NAND_DATA03 0xb0b1
MX6QDL_PAD_NANDF_D4__NAND_DATA04 0xb0b1
MX6QDL_PAD_NANDF_D5__NAND_DATA05 0xb0b1
MX6QDL_PAD_NANDF_D6__NAND_DATA06 0xb0b1
MX6QDL_PAD_NANDF_D7__NAND_DATA07 0xb0b1
>;
};
pinctrl_hdmi_cec: hdmicecgrp {
fsl,pins = <
MX6QDL_PAD_EIM_A21__GPIO2_IO17 0x1b8b1
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001f8b1
MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001f8b1
>;
};
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX6QDL_PAD_GPIO_7__I2C4_SCL 0x4001b8b1
MX6QDL_PAD_GPIO_8__I2C4_SDA 0x4001b8b1
>;
};
pinctrl_pwm3: pwm3grp {
fsl,pins = <
MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
>;
};
pinctrl_reg_backlight: regbacklightgrp {
fsl,pins = <
MX6QDL_PAD_ENET_REF_CLK__GPIO1_IO23 0x1b0b1
>;
};
pinctrl_reg_usbotg_vbus: regusbotgvbusgrp {
fsl,pins = <
MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x1b0b1
>;
};
pinctrl_touch: touchgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b0
MX6QDL_PAD_CSI0_PIXCLK__GPIO5_IO18 0x1b0b0
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA 0x1b0b1
>;
};
pinctrl_uart2: uart2grp {
fsl,pins = <
MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA 0x1b0b1
MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA 0x1b0b1
>;
};
pinctrl_uart3: uart3grp {
fsl,pins = <
MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b0
MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b0
>;
};
pinctrl_usbh1: usbh1grp {
fsl,pins = <
MX6QDL_PAD_GPIO_3__USB_H1_OC 0x1b0b1
MX6QDL_PAD_CSI0_MCLK__CCM_CLKO1 0x1b0b0
>;
};
pinctrl_usbotg: usbotggrp {
fsl,pins = <
MX6QDL_PAD_KEY_COL4__USB_OTG_OC 0x1b0b1
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059
MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059
MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059
MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x100b1
>;
};
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX6QDL_PAD_GPIO_9__WDOG1_B 0x1b0b0
>;
};
};

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@ -356,6 +356,15 @@ config TARGET_MX6Q_ACC
select DM_THERMAL
select SUPPORT_SPL
config TARGET_MX6S_SIELAFF
bool "Sielaff i.MX6 Solo Board"
depends on MX6S
select BINMAN
select DM
select DM_THERMAL
select SUPPORT_SPL
imply CMD_DM
config TARGET_MX6SABREAUTO
bool "mx6sabreauto"
depends on MX6QDL
@ -708,6 +717,7 @@ source "board/softing/vining_2000/Kconfig"
source "board/liebherr/display5/Kconfig"
source "board/liebherr/mccmon6/Kconfig"
source "board/logicpd/imx6/Kconfig"
source "board/sielaff/imx6dl-sielaff/Kconfig"
source "board/solidrun/mx6cuboxi/Kconfig"
source "board/somlabs/visionsom-6ull/Kconfig"
source "board/technexion/pico-imx6/Kconfig"

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@ -0,0 +1,15 @@
if TARGET_MX6S_SIELAFF
config SYS_BOARD
string
default "imx6dl-sielaff"
config SYS_VENDOR
string
default "sielaff"
config SYS_CONFIG_NAME
string
default "imx6dl-sielaff"
endif

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@ -0,0 +1,9 @@
Sielaff i.MX6 Solo Board
M: Frieder Schrempf <frieder.schrempf@kontron.de>
S: Maintained
F: arch/arm/dts/imx6dl-sielaff*
F: board/sielaff/imx6dl-sielaff/
F: configs/imx6dl_sielaff_defconfig
F: doc/board/sielaff/imx6dl-sielaff.rst
F: include/configs/imx6dl-sielaff.h
F: include/configs/kontron-sl-mx6ul.h

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@ -0,0 +1,8 @@
# SPDX-License-Identifier: GPL-2.0+
# (C) Copyright 2022 Kontron Electronics GmbH
ifdef CONFIG_SPL_BUILD
obj-y := spl.o
else
obj-y := imx6dl-sielaff.o
endif

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@ -0,0 +1,111 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2022 Kontron Electronics GmbH
*/
#include <compiler.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/mx6-pins.h>
#include <asm/io.h>
#include <init.h>
DECLARE_GLOBAL_DATA_PTR;
static const iomux_v3_cfg_t nfc_pads[] = {
MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NO_PAD_CTRL),
};
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
return 0;
}
static void setup_gpmi_nand(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
/* config gpmi nand iomux */
imx_iomux_v3_setup_multiple_pads(nfc_pads,
ARRAY_SIZE(nfc_pads));
/* gate ENFC_CLK_ROOT clock first,before clk source switch */
clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
/* config gpmi and bch clock to 100 MHz */
clrsetbits_le32(&mxc_ccm->cs2cdr,
MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
/* enable ENFC_CLK_ROOT clock */
setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
/* enable gpmi and bch clock gating */
setbits_le32(&mxc_ccm->CCGR4,
MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
/* enable apbh clock gating */
setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}
int board_init(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
u32 reg;
setup_gpmi_nand();
/* Enable SPI2 clock */
enable_spi_clk(true, 1);
/*
* Configure clock output for USB hub
* 1. Disabling CLK01 and CLK02
*/
clrbits_le32(&mxc_ccm->ccosr, MXC_CCM_CCOSR_CKOL_EN);
clrbits_le32(&mxc_ccm->ccosr, MXC_CCM_CCOSR_CKO2_EN_OFFSET);
/*
* 2. Setting ccm timer - osc_clk (24 MHz) divide by 2 -> 12 Mhz
* CLK02_DIV: 001b CLK02_SEL: 01110b -> 0010 1110b -> 0x2e
*/
reg = readl(&mxc_ccm->ccosr);
reg &= ~MXC_CCM_CCOSR_CKO2_SEL_MASK;
reg &= ~MXC_CCM_CCOSR_CKO2_DIV_MASK;
reg |= (0x2e << MXC_CCM_CCOSR_CKO2_SEL_OFFSET);
writel(reg, &mxc_ccm->ccosr);
/* 3. Enabling CLK02 on output CCM_CLK01 */
setbits_le32(&mxc_ccm->ccosr, MXC_CCM_CCOSR_CLK_OUT_SEL);
setbits_le32(&mxc_ccm->ccosr, MXC_CCM_CCOSR_CKO2_EN_OFFSET);
return 0;
}

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blkloadfdt=fatload ${device} ${devnum}:${partnum} ${fdt_addr} ${load_fdt_file}
blkloadimage=fatload ${device} ${devnum}:${partnum} ${loadaddr} ${load_image}
boot_devices=usb mmc ubi
bootargs_base=vt.global_cursor_default=0 consoleblank=0 cma=200M fbcon=rotate:1
bootdelay=3
bootdir=
console=ttymxc1,115200
ethact=FEC0
fdt_addr=0x18000000
fdt_file_legacy=imx6dl_sielaff.dtb
fdt_file=imx6dl-sielaff.dtb
fdt_high=0xffffffff
image_legacy=zImage
image=fitImage
initrd_high=0xffffffff
ip_dyn=no
loadaddr=0x12000000
mmcargs=setenv bootargs ${bootargs_base} console=${console} root=${mmcroot}
mmcroot=/dev/mmcblk2p2 rootwait rw
ramdisk_addr=0x18C00000
script=boot.scr
touch_rst_gpio=2
touch_irq_gpio=146
ubiargs=setenv bootargs ${bootargs_base} console=${console} rootfstype=ubifs ubi.mtd=0 root=ubi0_0 rw
ubiloadfdt=ubifsload ${fdt_addr} /boot/${load_fdt_file}
ubiloadimage=ubifsload ${loadaddr} /boot/${load_image}
usb_pgood_delay=2000
usbargs=setenv bootargs ${bootargs_base} console=${console} root=${usbroot}
usbroot=/dev/sda2 rootwait rw
bootcmd=
for b in ${boot_devices}; do
if test ${b} = mmc; then
run mmcboot;
fi;
if test ${b} = net; then
run netboot;
fi;
if test ${b} = ubi; then
run ubiboot;
fi;
if test ${b} = usb; then
run usbboot;
fi;
done;
boot=
load_image=${image};
run loadimagecmd;
if test $? = 0; then
imxtract ${loadaddr} fdt-${fdt_file} ${fdt_addr};
run detect_touch;
bootm ${loadaddr} - ${fdt_addr};
else
load_image=${image_legacy};
load_fdt_file=${fdt_file_legacy};
run loadimagecmd;
run loadfdtcmd;
if test $? = 0; then
run detect_touch;
bootz ${loadaddr} - ${fdt_addr};
fi;
fi;
detect_touch=
gpio clear ${touch_irq_gpio};
gpio clear ${touch_rst_gpio};
sleep 0.02;
gpio set ${touch_rst_gpio};
sleep 0.1;
gpio input ${touch_irq_gpio};
i2c dev 2;
fdt addr ${fdt_addr};
if i2c probe 0x55; then
echo 'Detected Sitronix Touch';
fdt set /soc/bus@2100000/i2c@21a8000/touchscreen@55 status okay;
else
if i2c probe 0x5d; then
echo 'Detected Goodix Touch';
fdt set /soc/bus@2100000/i2c@21a8000/touchscreen@5d status okay;
fi;
fi;
gpio clear ${touch_rst_gpio};
mmcboot=
echo Booting from MMC ...;
run mmcargs;
device=mmc;
devnum=2;
partnum=1;
setenv loadimagecmd ${blkloadimage};
setenv loadfdtcmd ${blkloadfdt};
run boot;
ubiboot=
echo Booting from NAND (UBI);
run ubiargs;
ubi part rootfs;
ubifsmount ubi0;
setenv loadimagecmd ${ubiloadimage};
setenv loadfdtcmd ${ubiloadfdt};
load_image=${image};
run boot;
usbboot=
echo Booting from USB Storage ...;
run usbargs;
usb start;
device=usb;
devnum=0;
partnum=1;
setenv loadimagecmd ${blkloadimage};
setenv loadfdtcmd ${blkloadfdt};
run boot;

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2022 Kontron Electronics GmbH
*/
#include <asm/arch/clock.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/crm_regs.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/sections.h>
#include <init.h>
#include <spl.h>
#include <fsl_esdhc_imx.h>
#include <mmc.h>
#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define GPIO_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
static const iomux_v3_cfg_t ecspi2_pads[] = {
MX6_PAD_CSI0_DAT10__ECSPI2_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_CSI0_DAT9__ECSPI2_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_CSI0_DAT8__ECSPI2_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_CSI0_DAT11__GPIO5_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static const iomux_v3_cfg_t uart2_pads[] = {
MX6_PAD_SD4_DAT7__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_SD4_DAT4__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static const iomux_v3_cfg_t usdhc3_pads[] = {
MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* CD */
MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};
#define USDHC3_CD_GPIO IMX_GPIO_NR(1, 4)
#define SPI2_CS_GPIO IMX_GPIO_NR(5, 29)
static struct fsl_esdhc_cfg usdhc_cfg[1] = {
{USDHC3_BASE_ADDR, 0, 4},
};
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
switch (cfg->esdhc_base) {
case USDHC3_BASE_ADDR:
ret = !gpio_get_value(USDHC3_CD_GPIO);
break;
}
return ret;
}
int board_mmc_init(struct bd_info *bis)
{
int i, ret;
/*
* According to the board_mmc_init() the following map is done:
* (U-boot device node) (Physical Port)
* mmc0 USDHC1
* mmc1 USDHC2
*/
for (i = 0; i < CFG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
ARRAY_SIZE(usdhc3_pads));
gpio_direction_input(USDHC3_CD_GPIO);
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
break;
default:
printf("Warning: you configured more USDHC controllers \
(%d) than supported by the board\n", i + 1);
return -EINVAL;
}
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
if (ret) {
printf("Warning: failed to initialize mmc dev %d\n", i);
return ret;
}
}
return 0;
}
static void ccgr_init(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
writel(0x00C03F3F, &ccm->CCGR0);
writel(0x0030FC03, &ccm->CCGR1);
writel(0x0FFFC000, &ccm->CCGR2);
writel(0x3FF00000, &ccm->CCGR3);
writel(0x00FFF300, &ccm->CCGR4);
writel(0x0F0000C3, &ccm->CCGR5);
writel(0x000003FF, &ccm->CCGR6);
}
static int mx6ssielaff_dcd_table[] = {
0x020e0774, 0x000C0000,
0x020e0754, 0x00000000,
0x020e04ac, 0x00000030,
0x020e04b0, 0x00000030,
0x020e0464, 0x00000030,
0x020e0490, 0x00000030,
0x020e074c, 0x00000030,
0x020e0494, 0x00000030,
0x020e04a0, 0x00000000,
0x020e04b4, 0x00000030,
0x020e04b8, 0x00000030,
0x020e076c, 0x00000030,
0x020e0750, 0x00020000,
0x020e04bc, 0x00000030,
0x020e04c0, 0x00000030,
0x020e04c4, 0x00000030,
0x020e04c8, 0x00000030,
0x020e0760, 0x00020000,
0x020e0764, 0x00000030,
0x020e0770, 0x00000030,
0x020e0778, 0x00000030,
0x020e077c, 0x00000030,
0x020e0470, 0x00000030,
0x020e0474, 0x00000030,
0x020e0478, 0x00000030,
0x020e047c, 0x00000030,
0x021b001c, 0x00008000,
0x021b0800, 0xA1390003,
0x021b080c, 0x00350035,
0x021b0810, 0x002A0032,
0x021b083c, 0x02340234,
0x021b0840, 0x02200220,
0x021b0848, 0x4650504E,
0x021b0850, 0x3A342E34,
0x021b081c, 0x33333333,
0x021b0820, 0x33333333,
0x021b0824, 0x33333333,
0x021b0828, 0x33333333,
0x021b08b8, 0x00000800,
0x021b0004, 0x0002002D,
0x021b0008, 0x00333040,
0x021b000c, 0x676B52F3,
0x021b0010, 0xB66D8B63,
0x021b0014, 0x01FF00DB,
0x021b0018, 0x00011740,
0x021b001c, 0x00008000,
0x021b002c, 0x000026D2,
0x021b0030, 0x006B1023,
0x021b0040, 0x00000027,
0x021b0000, 0x84190000,
0x021b001c, 0x02008032,
0x021b001c, 0x00008033,
0x021b001c, 0x00048031,
0x021b001c, 0x15208030,
0x021b001c, 0x04008040,
0x021b0020, 0x00007800,
0x021b0818, 0x00022227,
0x021b0004, 0x0002556D,
0x021b0404, 0x00011006,
0x021b001c, 0x00000000,
0x020c4068, 0x00C03F3F,
0x020c406c, 0x0030FC03,
0x020c4070, 0x0FFFC000,
0x020c4074, 0x3FF00000,
0x020c4078, 0xFFFFF300,
0x020c407c, 0x0F0000C3,
0x020c4080, 0x000003FF,
0x020e0010, 0xF00000CF,
0x020e0018, 0x007F007F,
0x020e001c, 0x007F007F,
};
static void ddr_init(int *table, int size)
{
int i;
for (i = 0; i < size / 2 ; i++)
writel(table[2 * i + 1], table[2 * i]);
}
static void spl_dram_init(void)
{
ddr_init(mx6ssielaff_dcd_table, ARRAY_SIZE(mx6ssielaff_dcd_table));
}
int board_spi_cs_gpio(unsigned int bus, unsigned int cs)
{
return (bus == CONFIG_SF_DEFAULT_BUS && cs == CONFIG_SF_DEFAULT_CS)
? SPI2_CS_GPIO : -1;
}
static void setup_spi(void)
{
imx_iomux_v3_setup_multiple_pads(ecspi2_pads, ARRAY_SIZE(ecspi2_pads));
gpio_request(SPI2_CS_GPIO, "spi2_cs0");
gpio_direction_output(SPI2_CS_GPIO, 1);
enable_spi_clk(true, 1);
}
void board_init_f(ulong dummy)
{
/* setup AIPS and disable watchdog */
arch_cpu_init();
ccgr_init();
gpr_init();
/* IOMUX UART */
imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
/* setup GP timer */
timer_init();
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
/* DDR initialization */
spl_dram_init();
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
/* SPI */
setup_spi();
/* load/boot image from boot device */
board_init_r(NULL, 0);
}
void board_boot_order(u32 *spl_boot_list)
{
u32 bootdev = spl_boot_device();
/*
* The default boot fuse settings use the SD card (MMC1) as primary
* boot device, but allow SPI NOR as a fallback boot device.
* We can't detect the fallback case and spl_boot_device() will return
* BOOT_DEVICE_MMC1 despite the actual boot device being SPI NOR.
* Therefore we try to load U-Boot proper vom SPI NOR after loading
* from MMC has failed.
*/
spl_boot_list[0] = bootdev;
switch (bootdev) {
case BOOT_DEVICE_MMC1:
case BOOT_DEVICE_MMC2:
spl_boot_list[1] = BOOT_DEVICE_SPI;
break;
}
}

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CONFIG_ARM=y
CONFIG_ARCH_MX6=y
CONFIG_TEXT_BASE=0x17800000
CONFIG_SYS_MALLOC_LEN=0x4000000
CONFIG_SYS_MALLOC_F_LEN=0x4000
CONFIG_SPL_GPIO=y
CONFIG_SPL_LIBCOMMON_SUPPORT=y
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_NR_DRAM_BANKS=1
CONFIG_ENV_SOURCE_FILE="imx6dl-sielaff"
CONFIG_SF_DEFAULT_SPEED=20000000
CONFIG_ENV_SIZE=0x10000
CONFIG_ENV_OFFSET=0xF0000
CONFIG_ENV_SECT_SIZE=0x10000
CONFIG_MX6S=y
CONFIG_TARGET_MX6S_SIELAFF=y
CONFIG_DM_GPIO=y
CONFIG_DEFAULT_DEVICE_TREE="imx6dl-sielaff"
CONFIG_SPL_TEXT_BASE=0x00908000
CONFIG_SPL_MMC=y
CONFIG_SPL_SERIAL=y
CONFIG_SPL=y
CONFIG_SPL_SPI_FLASH_SUPPORT=y
CONFIG_SPL_SPI=y
CONFIG_LTO=y
CONFIG_FIT=y
CONFIG_SPL_FIT_PRINT=y
CONFIG_SPL_LOAD_FIT=y
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_SPI_BOOT=y
CONFIG_SPL_RAW_IMAGE_SUPPORT=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x8A
CONFIG_SPL_SPI_LOAD=y
CONFIG_SYS_SPI_U_BOOT_OFFS=0x11400
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_SPL=y
CONFIG_CMD_SPL_WRITE_SIZE=0x20000
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
CONFIG_CMD_PART=y
CONFIG_CMD_PCI=y
CONFIG_CMD_USB=y
CONFIG_CMD_USB_SDP=y
CONFIG_CMD_USB_MASS_STORAGE=y
CONFIG_CMD_WDT=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_EXT2=y
CONFIG_CMD_EXT4=y
CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y
CONFIG_CMD_MTDPARTS=y
CONFIG_MTDIDS_DEFAULT="nand0=nand0"
CONFIG_MTDPARTS_DEFAULT="mtdparts=nand0:-@0x0(rootfs)"
CONFIG_CMD_UBI=y
# CONFIG_SPL_DOS_PARTITION is not set
CONFIG_EFI_PARTITION=y
# CONFIG_SPL_EFI_PARTITION is not set
CONFIG_OF_CONTROL=y
CONFIG_ENV_IS_IN_SPI_FLASH=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_BOUNCE_BUFFER=y
CONFIG_USB_FUNCTION_FASTBOOT=y
CONFIG_FASTBOOT_BUF_ADDR=0x12000000
CONFIG_FASTBOOT_BUF_SIZE=0x10000000
CONFIG_FASTBOOT_FLASH=y
CONFIG_FASTBOOT_FLASH_MMC_DEV=2
CONFIG_DM_I2C=y
CONFIG_SYS_I2C_MXC=y
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_FSL_USDHC=y
CONFIG_MTD=y
CONFIG_DM_MTD=y
CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_MXS=y
CONFIG_NAND_MXS_DT=y
CONFIG_SYS_NAND_ONFI_DETECTION=y
CONFIG_DM_SPI_FLASH=y
CONFIG_SF_DEFAULT_BUS=1
CONFIG_SPI_FLASH_EON=y
CONFIG_SPI_FLASH_STMICRO=y
CONFIG_SPI_FLASH_MTD=y
CONFIG_PHYLIB=y
CONFIG_PHY_MICREL=y
CONFIG_PHY_MICREL_KSZ8XXX=y
CONFIG_DM_MDIO=y
CONFIG_FEC_MXC=y
CONFIG_MII=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_CONS_INDEX=2
CONFIG_DM_SERIAL=y
CONFIG_MXC_UART=y
CONFIG_SPI=y
CONFIG_DM_SPI=y
CONFIG_MXC_SPI=y
CONFIG_SYSRESET=y
CONFIG_SYSRESET_WATCHDOG=y
CONFIG_IMX_THERMAL=y
CONFIG_USB=y
CONFIG_SPL_USB_HOST=y
CONFIG_USB_STORAGE=y
CONFIG_USB_HOST_ETHER=y
CONFIG_USB_ETHER_ASIX=y
CONFIG_USB_GADGET=y
CONFIG_SPL_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
CONFIG_SPL_USB_SDP_SUPPORT=y
CONFIG_IMX_WATCHDOG=y

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2022 Kontron Electronics GmbH
*/
#ifndef __MX6SSIELAFF_CONFIG_H
#define __MX6SSIELAFF_CONFIG_H
#include <asm/arch/imx-regs.h>
#include <linux/sizes.h>
#include "mx6_common.h"
#define CFG_MXC_UART_BASE UART2_BASE
#define PHYS_SDRAM_SIZE SZ_512M
#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
#define CFG_SYS_SDRAM_BASE PHYS_SDRAM
#define CFG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
#define CFG_SYS_INIT_RAM_SIZE IRAM_SIZE
#define CFG_SYS_FSL_ESDHC_ADDR USDHC3_BASE_ADDR
#define CFG_SYS_FSL_USDHC_NUM 1
#define CFG_SYS_NAND_BASE 0x40000000
#endif /* __MX6SSIELAFF_CONFIG_H */