Getting serial console output on new imx7d tqma7 board UART4
Ahmad Fatoum
a.fatoum at pengutronix.de
Mon Aug 3 06:10:38 EDT 2020
Hi,
On 7/29/20 6:52 PM, Lars Pedersen wrote:
> I have spent the last couple of days trying to port our bootloader
> from u-boot to barebox 2020.07 but have yet to get any console output.
> Our product is based on tqma7d i.MX7 dual core cpu and uses UART4 for
> serial console and boots from internal eMMC.
>
> I created a new board inspired from "NXP i.MX7 SabreSD board" and
> tried to only add the basic in the first step to get a console output
> working. The image is built using ptxdist and the imx_v7_defconfig
> where the new board is selected. The image is flashed with "dd
> if=barebox-image of=/dev/mmcblk0 bs=1024 skip=1 seek=1 conv=fsync".
> The device works using u-boot 2020.07 with the same device trees but
> we thought it was time to try out barebox since u-boot felt a little
> bloated :)
>
> So can anyone be of assistance and tell me what I'm missing?
When I looked through your patch the first time, I just looked
for stuff that would cause it to not boot. Some more comments
inline that are unrelated to your boot problems.
>
> /Lars Pedersen
>
> From: Lars Pedersen <laa at kamstrup.com>
> Date: Tue, 28 Jul 2020 08:57:57 +0000
> Subject: [PATCH] Add kamstrup imx7d dev board
>
> ---
> arch/arm/boards/Makefile | 1 +
> arch/arm/boards/kamstrup-imx7d-tqma7d/Makefile | 2 +
> arch/arm/boards/kamstrup-imx7d-tqma7d/board.c | 19 ++
> .../flash-header-kamstrup-imx7d-tqma7d.imxcfg | 79 ++++++
> arch/arm/boards/kamstrup-imx7d-tqma7d/lowlevel.c | 35 +++
> arch/arm/dts/Makefile | 1 +
> arch/arm/dts/imx7d-flex-concentrator-mfg.dts | 11 +
> arch/arm/mach-imx/Kconfig | 5 +
> drivers/regulator/Kconfig | 2 +-
> dts/src/arm/imx7d-flex-concentrator-mfg.dts | 25 ++
> dts/src/arm/imx7d-flex-concentrator.dts | 313 +++++++++++++++++++++
> images/Makefile.imx | 5 +
> 12 files changed, 497 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boards/kamstrup-imx7d-tqma7d/Makefile
> create mode 100644 arch/arm/boards/kamstrup-imx7d-tqma7d/board.c
> create mode 100644
> arch/arm/boards/kamstrup-imx7d-tqma7d/flash-header-kamstrup-imx7d-tqma7d.imxcfg
> create mode 100644 arch/arm/boards/kamstrup-imx7d-tqma7d/lowlevel.c
> create mode 100644 arch/arm/dts/imx7d-flex-concentrator-mfg.dts
> create mode 100644 dts/src/arm/imx7d-flex-concentrator-mfg.dts
> create mode 100644 dts/src/arm/imx7d-flex-concentrator.dts
>
> diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
> index e9e9163d589b..58bb4cf2adab 100644
> --- a/arch/arm/boards/Makefile
> +++ b/arch/arm/boards/Makefile
> @@ -64,6 +64,7 @@ obj-$(CONFIG_MACH_HIGHBANK) += highbank/
> obj-$(CONFIG_MACH_IMX21ADS) += freescale-mx21-ads/
> obj-$(CONFIG_MACH_IMX233_OLINUXINO) += imx233-olinuxino/
> obj-$(CONFIG_MACH_IMX27ADS) += freescale-mx27-ads/
> +obj-$(CONFIG_MACH_KAMSTRUP_IMX7D_TQMA7D) += kamstrup-imx7d-tqma7d/
> obj-$(CONFIG_MACH_KINDLE3) += kindle3/
> obj-$(CONFIG_MACH_KONTRON_SAMX6I) += kontron-samx6i/
> obj-$(CONFIG_MACH_LENOVO_IX4_300D) += lenovo-ix4-300d/
> diff --git a/arch/arm/boards/kamstrup-imx7d-tqma7d/Makefile
> b/arch/arm/boards/kamstrup-imx7d-tqma7d/Makefile
> new file mode 100644
> index 000000000000..01c7a259e9a5
> --- /dev/null
> +++ b/arch/arm/boards/kamstrup-imx7d-tqma7d/Makefile
> @@ -0,0 +1,2 @@
> +obj-y += board.o
> +lwl-y += lowlevel.o
> diff --git a/arch/arm/boards/kamstrup-imx7d-tqma7d/board.c
> b/arch/arm/boards/kamstrup-imx7d-tqma7d/board.c
> new file mode 100644
> index 000000000000..b3ffa851f3e6
> --- /dev/null
> +++ b/arch/arm/boards/kamstrup-imx7d-tqma7d/board.c
> @@ -0,0 +1,19 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +// SPDX-FileCopyrightText: 2020 Kamstrup A/S
> +
> +/* Author: Lars Pedersen <lapeddk at gmail.com> */
> +
> +#include <common.h>
> +#include <init.h>
> +#include <io.h>
> +#include <mach/imx7-regs.h>
> +#include <mfd/imx7-iomuxc-gpr.h>
> +
> +static int kamstrup_mx7_tqma7d_coredevices_init(void)
> +{
> + if (!of_machine_is_compatible("kam,imx7d-flex-concentrator"))
> + return 0;
> +
> + return 0;
> +}
Function serves no purpose. If you don't have baord code, drop it altogether.
> +coredevice_initcall(kamstrup_mx7_tqma7d_coredevices_init);
> diff --git a/arch/arm/boards/kamstrup-imx7d-tqma7d/flash-header-kamstrup-imx7d-tqma7d.imxcfg
> b/arch/arm/boards/kamstrup-imx7d-tqma7d/flash-header-kamstrup-imx7d-tqma7d.imxcfg
> new file mode 100644
> index 000000000000..7656619c1b2e
> --- /dev/null
> +++ b/arch/arm/boards/kamstrup-imx7d-tqma7d/flash-header-kamstrup-imx7d-tqma7d.imxcfg
> @@ -0,0 +1,79 @@
> +soc imx7
> +loadaddr 0x80000000
> +dcdofs 0x400
Called ivtofs now in barebox next branch now.
> +
> +#include <mach/imx7-ddr-regs.h>
> +wm 32 0x30340004 0x4F400005 /* IOMUXC_GPR_GPR1 */
> +/* TODO this is copied from imx7sabresd */
> +/* Clear then set bit30 to ensure exit from DDR retention */
> +wm 32 0x30360388 0x40000000
> +wm 32 0x30360384 0x40000000
> +
> +/* TQMa7x DRAM Timing REV0100 */
> +/* DCD Code i.MX7D/S 528 MHz 1 GByte Samsung K4B4G1646D */
> +wm 32 0x30360070 0x0070302C /*CCM_ANALOG_PLL_DDRx*/
> +wm 32 0x30360090 0x00000000 /*CCM_ANALOG_PLL_NUM*/
> +wm 32 0x30360070 0x0060302C /*CCM_ANALOG_PLL_DDRx*/
> +check 32 until_any_bit_set 0x30360070 0x80000000
> +wm 32 0x30391000 0x00000002 /*SRC_DDRC_RCR*/
> +
> +wm 32 MX7_DDRC_MSTR 0x01040001 /*DDRC_MSTR*/
> +wm 32 MX7_DDRC_DFIUPD0 0x80400003 /*DDRC_DFIUPD0*/
> +wm 32 MX7_DDRC_DFIUPD1 0x00100020 /*DDRC_DFIUPD1*/
> +wm 32 MX7_DDRC_DFIUPD2 0x80100004 /*DDRC_DFIUPD2*/
> +wm 32 MX7_DDRC_RFSHTMG 0x00200045 /*DDRC_RFSHTMG*/
> +wm 32 MX7_DDRC_MP_PCTRL_0 0x00000001 /*DDRC_MP_PCTRL_0*/
> +wm 32 MX7_DDRC_INIT0 0x00020081 /*DDRC_INIT0*/
> +wm 32 MX7_DDRC_INIT1 0x00680000 /*DDRC_INIT1*/
> +wm 32 MX7_DDRC_INIT3 0x09300004 /*DDRC_INIT3*/
> +wm 32 MX7_DDRC_INIT4 0x00480000 /*DDRC_INIT4*/
> +wm 32 MX7_DDRC_INIT5 0x00100004 /*DDRC_INIT5*/
> +wm 32 MX7_DDRC_RANKCTL 0x0000033F /*DDRC_RANKCTL*/
> +wm 32 MX7_DDRC_DRAMTMG0 0x090E0809 /*DDRC_DRAMTMG0*/
> +wm 32 MX7_DDRC_DRAMTMG1 0x0007020E /*DDRC_DRAMTMG1*/
> +wm 32 MX7_DDRC_DRAMTMG2 0x03040407 /*DDRC_DRAMTMG2*/
> +wm 32 MX7_DDRC_DRAMTMG3 0x00002006 /*DDRC_DRAMTMG3*/
> +wm 32 MX7_DDRC_DRAMTMG4 0x04020304 /*DDRC_DRAMTMG4*/
> +wm 32 MX7_DDRC_DRAMTMG5 0x03030202 /*DDRC_DRAMTMG5*/
> +wm 32 MX7_DDRC_DRAMTMG8 0x00000803 /*DDRC_DRAMTMG8*/
> +wm 32 MX7_DDRC_ZQCTL0 0x00800020 /*DDRC_ZQCTL0*/
> +wm 32 MX7_DDRC_DFITMG0 0x02098204 /*DDRC_DFITMG0*/
> +wm 32 MX7_DDRC_DFITMG1 0x00030303 /*DDRC_DFITMG1*/
> +wm 32 MX7_DDRC_ADDRMAP0 0x00000016 /*DDRC_ADDRMAP0*/
> +wm 32 MX7_DDRC_ADDRMAP1 0x00171717 /*DDRC_ADDRMAP1*/
> +wm 32 MX7_DDRC_ADDRMAP4 0x00000F0F /*DDRC_ADDRMAP4*/
> +wm 32 MX7_DDRC_ADDRMAP5 0x04040404 /*DDRC_ADDRMAP5*/
> +wm 32 MX7_DDRC_ADDRMAP6 0x0F040404 /*DDRC_ADDRMAP6*/
> +wm 32 MX7_DDRC_ODTCFG 0x06000604 /*DDRC_ODTCFG*/
> +wm 32 MX7_DDRC_ODTMAP 0x00000001 /*DDRC_ODTMAP*/
> +wm 32 0x30391000 0x00000000 /*SRC_DDRC_RCR*/
> +wm 32 MX7_DDR_PHY_PHY_CON0 0x17420F40 /*DDR_PHY_PHY_CON0*/
> +wm 32 MX7_DDR_PHY_PHY_CON1 0x10210100 /*DDR_PHY_PHY_CON1*/
> +wm 32 MX7_DDR_PHY_PHY_CON4 0x00060807 /*DDR_PHY_PHY_CON4*/
> +wm 32 MX7_DDR_PHY_MDLL_CON0 0x1010007E /*DDR_PHY_MDLL_CON0*/
> +wm 32 MX7_DDR_PHY_DRVDS_CON0 0x00000924 /*DDR_PHY_DRVDS_CON0*/
> +/*DDR_PHY_CMD_DESKEW_CON0*/
> +/*DDR_PHY_CMD_DESKEW_CON1*/
> +/*DDR_PHY_CMD_DESKEW_CON2*/
> +/*DDR_PHY_CMD_DESKEW_CON3*/
> +/*DDR_PHY_LVL_CON0*/
> +wm 32 MX7_DDR_PHY_OFFSET_RD_CON0 0x0B0B0B0B /*DDR_PHY_OFFSET_RD_CON0 */
> +wm 32 MX7_DDR_PHY_OFFSET_WR_CON0 0x06060606 /*DDR_PHY_OFFSET_WR_CON0 */
> +wm 32 MX7_DDR_PHY_CMD_SDLL_CON0 0x01000010 /*DDR_PHY_CMD_SDLL_CON0*/
> +wm 32 MX7_DDR_PHY_CMD_SDLL_CON0 0x00000010 /*DDR_PHY_CMD_SDLL_CON0*/
> +
> +wm 32 MX7_DDR_PHY_ZQ_CON0 0x0C407304 /*DDR_PHY_ZQ_CON0*/
> +wm 32 MX7_DDR_PHY_ZQ_CON0 0x0C447304 /*DDR_PHY_ZQ_CON0*/
> +wm 32 MX7_DDR_PHY_ZQ_CON0 0x0C447306 /*DDR_PHY_ZQ_CON0*/
> +check 32 until_any_bit_set MX7_DDR_PHY_ZQ_CON0 0x1 /*ZQ Calibration
> is finished*/
> +wm 32 MX7_DDR_PHY_ZQ_CON0 0x0C447304 /*DDR_PHY_ZQ_CON0*/
> +wm 32 MX7_DDR_PHY_ZQ_CON0 0x0C407304 /*DDR_PHY_ZQ_CON0*/
> +
> +wm 32 0x30384130 0x00000000 /* CCM_CCGRn */
> +wm 32 0x30340020 0x00000178 /* IOMUXC_GPR_GPR8 */
> +wm 32 0x30384130 0x00000002 /* CCM_CCGRn */
> +wm 32 0x30790018 0x0000000f /* DDR_PHY_LP_CON0 */
> +
> +/* DDRC_STAT */
> +check 32 until_any_bit_set 4 0x307a0004 0x1
> +
> diff --git a/arch/arm/boards/kamstrup-imx7d-tqma7d/lowlevel.c
> b/arch/arm/boards/kamstrup-imx7d-tqma7d/lowlevel.c
> new file mode 100644
> index 000000000000..d8c455701edc
> --- /dev/null
> +++ b/arch/arm/boards/kamstrup-imx7d-tqma7d/lowlevel.c
> @@ -0,0 +1,35 @@
> +#include <debug_ll.h>
> +#include <io.h>
> +#include <common.h>
> +#include <linux/sizes.h>
> +#include <mach/generic.h>
> +#include <asm/barebox-arm-head.h>
> +#include <asm/barebox-arm.h>
> +#include <mach/imx7-ccm-regs.h>
> +#include <mach/iomux-mx7.h>
> +#include <mach/debug_ll.h>
> +#include <asm/cache.h>
> +#include <mach/esdctl.h>
> +
> +extern char __dtb_imx7d_flex_concentrator_mfg_start[];
> +
> +static inline void setup_uart(void)
> +{
> + imx7_early_setup_uart_clock();
> +
> + imx7_setup_pad(MX7D_PAD_SAI2_TX_BCLK__UART4_DCE_TX);
> +
> + imx7_uart_setup_ll();
> +
> + putc_ll('>');
> +}
> +
> +ENTRY_FUNCTION(start_kamstrup_imx7d_tqma7d, r0, r1, r2)
> +{
> + imx7_cpu_lowlevel_init();
> +
> + if (IS_ENABLED(CONFIG_DEBUG_LL))
> + setup_uart();
> +
> + imx7d_barebox_entry(__dtb_imx7d_flex_concentrator_mfg_start +
> get_runtime_offset());
> +}
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index d61a052310ce..ec3d0f372786 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -23,6 +23,7 @@ lwl-$(CONFIG_MACH_CCMX53) += imx53-ccxmx53.dtb.o
> lwl-$(CONFIG_MACH_DIGI_CCIMX6ULSBCPRO) += imx6ul-ccimx6ulsbcpro.dtb.o
> lwl-$(CONFIG_MACH_FREESCALE_MX53_VMX53) += imx53-voipac-bsb.dtb.o
> lwl-$(CONFIG_MACH_FREESCALE_MX7_SABRESD) += imx7d-sdb.dtb.o
> +lwl-$(CONFIG_MACH_KAMSTRUP_IMX7D_TQMA7D) += imx7d-flex-concentrator-mfg.dtb.o
> lwl-$(CONFIG_MACH_GK802) += imx6q-gk802.dtb.o
> lwl-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) +=
> kirkwood-guruplug-server-plus-bb.dtb.o
> lwl-$(CONFIG_MACH_GLOBALSCALE_MIRABOX) += armada-370-mirabox-bb.dtb.o
> diff --git a/arch/arm/dts/imx7d-flex-concentrator-mfg.dts
> b/arch/arm/dts/imx7d-flex-concentrator-mfg.dts
> new file mode 100644
> index 000000000000..746e36a70f4c
> --- /dev/null
> +++ b/arch/arm/dts/imx7d-flex-concentrator-mfg.dts
> @@ -0,0 +1,11 @@
> +/*
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 or later at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */
> +
> +#include <arm/imx7d-flex-concentrator-mfg.dts>
> +
> diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> index 6dd5cb2aca15..d0a9332c7a24 100644
> --- a/arch/arm/mach-imx/Kconfig
> +++ b/arch/arm/mach-imx/Kconfig
> @@ -492,6 +492,11 @@ config MACH_ZII_IMX7D_DEV
> select ARCH_IMX7
> select ARM_USE_COMPRESSED_DTB
>
> +config MACH_KAMSTRUP_IMX7D_TQMA7D
> + bool "Kamstrup TQMa7D based devices"
> + select ARCH_IMX7
> + select ARM_USE_COMPRESSED_DTB
> +
> config MACH_PHYTEC_PHYCORE_IMX7
> bool "Phytec phyCORE i.MX7"
> select ARCH_IMX7
> diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
> index 1ce057180a01..b0bdc48399e3 100644
> --- a/drivers/regulator/Kconfig
> +++ b/drivers/regulator/Kconfig
> @@ -19,7 +19,7 @@ config REGULATOR_BCM283X
> config REGULATOR_PFUZE
> bool "Freescale PFUZE100/200/3000 regulator driver"
> depends on I2C
> - depends on ARCH_IMX6 || ARCH_IMX8MQ
> + depends on ARCH_IMX6 || ARCH_IMX7 || ARCH_IMX8MQ
>
> config REGULATOR_STM32_PWR
> bool "STMicroelectronics STM32 PWR"
> diff --git a/dts/src/arm/imx7d-flex-concentrator-mfg.dts
> b/dts/src/arm/imx7d-flex-concentrator-mfg.dts
> new file mode 100644
> index 000000000000..789f0837058f
> --- /dev/null
> +++ b/dts/src/arm/imx7d-flex-concentrator-mfg.dts
Perfectly fine for your patch stack in BSP, but if you want to upstream
it, you need to either:
1) upstream your device tree to Linux. dts/ is a sync with Linux and
shortly after, it will be imported into barebox
2) put your device tree in arch/arm/dts
> @@ -0,0 +1,25 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for Kamstrup OMNIA Flex Concentrator in
> + * manufacturing/debugging mode.
> + *
> + * Copyright (C) 2020 Kamstrup A/S
> + * Author: Bruno Thomsen <bruno.thomsen at gmail.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "imx7d-flex-concentrator.dts"
> +
> +/ {
> + model = "Kamstrup OMNIA Flex Concentrator - Manufacturing";
> + compatible = "kam,imx7d-flex-concentrator-mfg",
> "kam,imx7d-flex-concentrator", "fsl,imx7d";
> +
> + chosen {
> + stdout-path = &uart4;
> + };
> +};
> +
> +&uart4 {
> + status = "okay";
> +};
> diff --git a/dts/src/arm/imx7d-flex-concentrator.dts
> b/dts/src/arm/imx7d-flex-concentrator.dts
> new file mode 100644
> index 000000000000..43b331222a47
> --- /dev/null
> +++ b/dts/src/arm/imx7d-flex-concentrator.dts
> @@ -0,0 +1,313 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for Kamstrup OMNIA Flex Concentrator.
> + *
> + * Copyright (C) 2020 Kamstrup A/S
> + * Author: Bruno Thomsen <bruno.thomsen at gmail.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "imx7d-tqma7.dtsi"
> +
> +/* Some I2C devices on TQMa7 SoM are not mounted */
> +/delete-node/ &m24c64;
> +/delete-node/ &ds1339;
> +
> +/ {
> + model = "Kamstrup OMNIA Flex Concentrator";
> + compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d";
> +
> + memory at 80000000 {
> + device_type = "memory";
> + /* 1024 MB - TQMa7D board configuration */
> + reg = <0x80000000 0x40000000>;
> + };
> +
> + reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "VBUS_USBOTG2";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_vref_1v8: regulator-vref-1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "VCC1V8_REF";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + vin-supply = <&sw2_reg>;
> + };
> +
> + /*
> + * Human Machine Interface consists of 4 dual red/green LEDs.
> + * hmi-a-green is controlled directly by the switch-mode power supply.
> + * hmi-a-red is not used.
> + */
> + gpio-leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_leds>;
> +
> + hmi-b-red {
> + label = "hmi-b:red:provisioning";
> + gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + hmi-b-green {
> + label = "hmi-b:green:operation";
> + gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + hmi-c-red {
> + label = "hmi-c:red:mesh-error";
> + gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + hmi-c-green {
> + label = "hmi-c:green:mesh-activity";
> + gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + hmi-d-red {
> + label = "hmi-d:red:wan-down";
> + gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + hmi-d-green {
> + label = "hmi-d:green:ipsec-up";
> + gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> + };
> +
> + /*
> + * Errata e10574 board restart workaround.
> + */
> + gpio-restart {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_restart>;
> + compatible = "gpio-restart";
> + gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
> + priority = <200>;
> + };
> +};
> +
> +/*
> + * Analog signals
> + * ADC1_IN0: SMPS - 5V output monitor (voltage divider: 1/0.2806)
> + */
> +&adc1 {
> + vref-supply = <®_vref_1v8>;
> + status = "okay";
> +};
> +
> +&ecspi2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi2>;
> + num-chipselects = <1>;
> + cs-gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +
> + pcf2127: rtc at 0 {
> + compatible = "nxp,pcf2127";
> + reg = <0>;
> + spi-max-frequency = <2000000>;
> + };
> +};
> +
> +&ecspi4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi4>;
> + num-chipselects = <1>;
> + cs-gpios = <&gpio3 3 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +
> + /*
> + * ST chip maximum SPI clock frequency is 33 MHz.
> + *
> + * TCG specification - Section 6.4.1 Clocking:
> + * TPM shall support a SPI clock frequency range of 10-24 MHz.
> + */
> + st33htph: tpm-tis at 0 {
> + compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
> + reg = <0>;
> + spi-max-frequency = <24000000>;
> + };
> +};
> +
> +&fec1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet1>;
> + phy-mode = "rmii";
> + phy-handle = <ðphy>;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* Micrel KSZ8081RNB */
> + ethphy: ethernet-phy at 1 {
> + compatible = "ethernet-phy-id0022.1560",
> "ethernet-phy-ieee802.3-c22";
> + reg = <1>;
> + max-speed = <100>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
> + reset-assert-us = <100000>;
> + reset-deassert-us = <1000000>;
> + reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
> +
> +/*
> + * Detection signals for internal USB modules.
> + * Used for robust USB plug and play handling such as USB downstream port
> + * power-cycle and USB hub reset in case of misbehaving or crashed modules.
> + *
> + * SMPS - AC input monitor based on zero crossing.
> + * Used for last gasp notification.
> + */
> +&gpio3 {
> + gpio-line-names = "", "", "", "", "", "", "", "",
> + "", "", "", "", "smps-ac-monitor", "", "usb-hub-reset", "",
> + "", "", "", "", "", "", "", "",
> + "", "module-b-detection", "", "module-a-detection", "", "", "", "";
> +};
> +
> +/*
> + * Tamper IRQ trigger timestamp reading.
> + * Used for sealed cover opened/closed notification.
> + */
> +&gpio5 {
> + gpio-line-names = "", "", "", "", "", "", "", "",
> + "", "", "", "", "rtc-tamper-irq", "", "", "",
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_misc>;
> +
> + pinctrl_ecspi2: ecspi2grp {
> + fsl,pins = <
> + MX7D_PAD_ECSPI2_MISO__ECSPI2_MISO 0x7c /* X2-15 */
> + MX7D_PAD_ECSPI2_MOSI__ECSPI2_MOSI 0x74 /* X2-18 */
> + MX7D_PAD_ECSPI2_SCLK__ECSPI2_SCLK 0x74 /* X2-13 */
> + MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x74 /* X2-20 */
> + /* RTC - Tamper IRQ */
> + MX7D_PAD_SD2_CLK__GPIO5_IO12 0x3c /* X1-92 */
> + >;
> + };
> +
> + pinctrl_ecspi4: ecspi4grp {
> + fsl,pins = <
> + MX7D_PAD_LCD_CLK__ECSPI4_MISO 0x7c /* X2-72 */
> + MX7D_PAD_LCD_ENABLE__ECSPI4_MOSI 0x74 /* X2-68 */
> + MX7D_PAD_LCD_HSYNC__ECSPI4_SCLK 0x74 /* X2-76 */
> + MX7D_PAD_LCD_VSYNC__GPIO3_IO3 0x74 /* X2-78 */
> + >;
> + };
> +
> + pinctrl_enet1: enet1grp {
> + fsl,pins = <
> + MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x02 /* X2-48 */
> + MX7D_PAD_GPIO1_IO11__ENET1_MDC 0x00 /* X2-46 */
> + MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x71 /* X2-53 */
> + MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x71 /* X2-55 */
> + MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x71 /* X2-61 */
> + MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x79 /* X2-56 */
> + MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x79 /* X2-58 */
> + MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x79 /* X2-64 */
> + MX7D_PAD_ENET1_RGMII_RXC__ENET1_RX_ER 0x73 /* X2-52 */
> + /* PHY reset: SION, 100kPU, SRE_FAST, DSE_X1 */
> + MX7D_PAD_ENET1_COL__GPIO7_IO15 0x40000070 /* X1-96 */
> + /* Clock from PHY to MAC */
> + MX7D_PAD_GPIO1_IO12__CCM_ENET_REF_CLK1 0x40000073 /* X3-4 */
> + /* PHY interrupt: SION, 100kPU, HYS, SRE_FAST, DSE_X1 */
> + MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x40000078 /* X1-80 */
> + >;
> + };
> +
> + pinctrl_leds: ledsgrp {
> + fsl,pins = <
> + MX7D_PAD_LCD_DATA01__GPIO3_IO6 0x14 /* X2-82 */
> + MX7D_PAD_EPDC_BDR0__GPIO2_IO28 0x14 /* X1-82 */
> + MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x14 /* X1-84 */
> + MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 0x14 /* X1-86 */
> + MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 0x14 /* X1-88 */
> + MX7D_PAD_UART2_TX_DATA__GPIO4_IO3 0x14 /* X1-90 */
> + >;
> + };
> +
> + pinctrl_misc: miscgrp {
> + fsl,pins = <
> + /* Module A detection (low = present) */
> + MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x7c /* X2-105 */
> + /* Module B detection (low = present) */
> + MX7D_PAD_LCD_DATA20__GPIO3_IO25 0x7c /* X2-103 */
> + /* SMPS - AC input monitor (high = failure) */
> + MX7D_PAD_LCD_DATA07__GPIO3_IO12 0x7c /* X2-88 */
> + /* USB - Hub reset */
> + MX7D_PAD_LCD_DATA09__GPIO3_IO14 0x74 /* X2-92 */
> + >;
> + };
> +
> + pinctrl_restart: restartgrp {
> + fsl,pins = <
> + MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12 0x74 /* X1-94 */
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX7D_PAD_SAI2_TX_SYNC__UART4_DCE_RX 0x7e /* X3-14 */
> + MX7D_PAD_SAI2_TX_BCLK__UART4_DCE_TX 0x76 /* X3-16 */
> + >;
> + };
> +};
> +
> +&iomuxc_lpsr {
> + pinctrl_usbotg2: usbotg2grp {
> + fsl,pins = <
> + MX7D_PAD_LPSR_GPIO1_IO06__USB_OTG2_OC 0x5c /* X3-11 */
> + MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x59 /* X3-9 */
> + >;
> + };
> +
> +};
> +
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + assigned-clocks = <&clks IMX7D_UART4_ROOT_SRC>;
> + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
> +};
> +
> +&usbotg2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbotg2>;
> + vbus-supply = <®_usb_otg2_vbus>;
> + srp-disable;
> + hnp-disable;
> + adp-disable;
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +/*
> + * External watchdog feature provided by pcf2127.
> + */
> +&wdog1 {
> + status = "disabled";
> +};
> diff --git a/images/Makefile.imx b/images/Makefile.imx
> index 765702f26deb..cbbefd5c085b 100644
> --- a/images/Makefile.imx
> +++ b/images/Makefile.imx
> @@ -364,6 +364,11 @@ CFG_start_zii_imx7d_dev.pblb.imximg =
> $(board)/zii-imx7d-dev/flash-header-zii-im
> FILE_barebox-zii-imx7d-dev.img = start_zii_imx7d_dev.pblb.imximg
> image-$(CONFIG_MACH_ZII_IMX7D_DEV) += barebox-zii-imx7d-dev.img
>
> +pblb-$(CONFIG_MACH_KAMSTRUP_IMX7D_TQMA7D) += start_kamstrup_imx7d_tqma7d
> +CFG_start_kamstrup_imx7d_tqma7d.pblb.imximg =
> $(board)/kamstrup-imx7d-tqma7d/flash-header-kamstrup-imx7d-tqma7d.imxcfg
> +FILE_barebox-kamstrup-imx7d-tqma7d.img =
> start_kamstrup_imx7d_tqma7d.pblb.imximg
> +image-$(CONFIG_MACH_KAMSTRUP_IMX7D_TQMA7D) += barebox-kamstrup-imx7d-tqma7d.img
> +
> # ----------------------- i.MX8mm based boards --------------------------
> pblb-$(CONFIG_MACH_NXP_IMX8MM_EVK) += start_nxp_imx8mm_evk
> CFG_start_nxp_imx8mm_evk.pblb.imximg =
> $(board)/nxp-imx8mm-evk/flash-header-imx8mm-evk.imxcfg
>
> _______________________________________________
> barebox mailing list
> barebox at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
More information about the barebox
mailing list