The Wifx L1 is a SAMA5D4 LoRaWAN gateway. It boots from NAND, but this can be overridden by inserting a bootable SD-Card.
This first port only provides second-stage SD-Card support. It enables use of UART, I2C/EEPROM, Ethernet and SD-Card. For NAND use on SAMA5D4, an updated Linux driver was ported to barebox. This will follow separately. Signed-off-by: Ahmad Fatoum <[email protected]> --- arch/arm/boards/Makefile | 1 + arch/arm/boards/sama5d4_wifx/Makefile | 4 + arch/arm/boards/sama5d4_wifx/board.c | 38 +++ arch/arm/boards/sama5d4_wifx/lowlevel.c | 18 ++ arch/arm/dts/Makefile | 1 + arch/arm/dts/at91-sama5d4_wifx_l1.dts | 358 ++++++++++++++++++++++++ arch/arm/dts/sama5d4.dtsi | 9 + arch/arm/mach-at91/Kconfig | 8 + images/Makefile.at91 | 4 + 9 files changed, 441 insertions(+) create mode 100644 arch/arm/boards/sama5d4_wifx/Makefile create mode 100644 arch/arm/boards/sama5d4_wifx/board.c create mode 100644 arch/arm/boards/sama5d4_wifx/lowlevel.c create mode 100644 arch/arm/dts/at91-sama5d4_wifx_l1.dts create mode 100644 arch/arm/dts/sama5d4.dtsi diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile index 0f4339ebed5d..f47aea6602a6 100644 --- a/arch/arm/boards/Makefile +++ b/arch/arm/boards/Makefile @@ -132,6 +132,7 @@ obj-$(CONFIG_MACH_SAMA5D3XEK) += sama5d3xek/ obj-$(CONFIG_MACH_SAMA5D3_XPLAINED) += sama5d3_xplained/ obj-$(CONFIG_MACH_MICROCHIP_KSZ9477_EVB) += microchip-ksz9477-evb/ obj-$(CONFIG_MACH_SAMA5D4_XPLAINED) += sama5d4_xplained/ +obj-$(CONFIG_MACH_SAMA5D4_WIFX) += sama5d4_wifx/ obj-$(CONFIG_MACH_SAMA5D4EK) += sama5d4ek/ obj-$(CONFIG_MACH_SCB9328) += scb9328/ obj-$(CONFIG_MACH_SEEED_ODYSSEY) += seeed-odyssey/ diff --git a/arch/arm/boards/sama5d4_wifx/Makefile b/arch/arm/boards/sama5d4_wifx/Makefile new file mode 100644 index 000000000000..5678718188b9 --- /dev/null +++ b/arch/arm/boards/sama5d4_wifx/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only + +lwl-y += lowlevel.o +obj-y += board.o diff --git a/arch/arm/boards/sama5d4_wifx/board.c b/arch/arm/boards/sama5d4_wifx/board.c new file mode 100644 index 000000000000..44573da67a39 --- /dev/null +++ b/arch/arm/boards/sama5d4_wifx/board.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <deep-probe.h> +#include <bootsource.h> +#include <driver.h> +#include <init.h> +#include <bbu.h> +#include <of.h> + +static int wifx_l1_probe(struct device_d *dev) +{ + int flags_sd = 0; + + if (bootsource_get() == BOOTSOURCE_NAND) { + of_device_enable_path("/chosen/environment-nand"); + } else { + of_device_enable_path("/chosen/environment-microsd"); + flags_sd = BBU_HANDLER_FLAG_DEFAULT; + } + + bbu_register_std_file_update("sd", flags_sd, "/mnt/mmc1.0/barebox.bin", + filetype_arm_barebox); + + return 0; +} + +static const struct of_device_id wifx_l1_of_match[] = { + { .compatible = "wifx,l1" }, + { /* sentinel */ }, +}; +BAREBOX_DEEP_PROBE_ENABLE(wifx_l1_of_match); + +static struct driver_d wifx_l1_board_driver = { + .name = "board-lxa-mc1", + .probe = wifx_l1_probe, + .of_compatible = wifx_l1_of_match, +}; +device_platform_driver(wifx_l1_board_driver); diff --git a/arch/arm/boards/sama5d4_wifx/lowlevel.c b/arch/arm/boards/sama5d4_wifx/lowlevel.c new file mode 100644 index 000000000000..0c3529e65965 --- /dev/null +++ b/arch/arm/boards/sama5d4_wifx/lowlevel.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-only +// SPDX-FileCopyrightText: 2022 Ahmad Fatoum, Pengutronix + +#include <debug_ll.h> +#include <mach/barebox-arm.h> +#include <mach/ddramc.h> + +SAMA5D4_ENTRY_FUNCTION(start_sama5d4_wifx_l1, r4) +{ + extern char __dtb_z_at91_sama5d4_wifx_l1_start[]; + void *fdt; + + putc_ll('>'); + + fdt = __dtb_z_at91_sama5d4_wifx_l1_start + get_runtime_offset(); + + sama5d4_barebox_entry(r4, fdt); +} diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 5ceb97129fed..dca13df4ba6f 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -191,6 +191,7 @@ lwl-$(CONFIG_MACH_SAMA5D3_XPLAINED) += at91-sama5d3_xplained.dtb.o lwl-$(CONFIG_MACH_MICROCHIP_KSZ9477_EVB) += at91-microchip-ksz9477-evb.dtb.o lwl-$(CONFIG_MACH_SAMA5D27_SOM1) += at91-sama5d27_som1_ek.dtb.o lwl-$(CONFIG_MACH_SAMA5D27_GIANTBOARD) += at91-sama5d27_giantboard.dtb.o +lwl-$(CONFIG_MACH_SAMA5D4_WIFX) += at91-sama5d4_wifx_l1.dtb.o lwl-$(CONFIG_MACH_AT91SAM9X5EK) += at91sam9x5ek.dtb.o lwl-$(CONFIG_MACH_XILINX_ZCU104) += zynqmp-zcu104-revA.dtb.o lwl-$(CONFIG_MACH_XILINX_ZCU106) += zynqmp-zcu106-revA.dtb.o diff --git a/arch/arm/dts/at91-sama5d4_wifx_l1.dts b/arch/arm/dts/at91-sama5d4_wifx_l1.dts new file mode 100644 index 000000000000..ea16ea21344c --- /dev/null +++ b/arch/arm/dts/at91-sama5d4_wifx_l1.dts @@ -0,0 +1,358 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) +// SPDX-FileCopyrightText: 2021 Wifx +// SPDX-FileCopyrightText: 2021 Yannick Lanz <[email protected]> +// SPDX-FileCopyrightText: 2022 Ahmad Fatoum, Pengutronix + +/dts-v1/; + +#include <arm/sama5d4.dtsi> +#include "sama5d4.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + model = "Wifx L1"; + compatible = "wifx,l1", "atmel,sama5d4", "atmel,sama5"; + + chosen { + stdout-path = &usart3; + + environment-microsd { + compatible = "barebox,environment"; + device-path = &mmc1; + file-path = "barebox.env"; + status = "disabled"; + }; + + environment-nand { + compatible = "barebox,environment"; + device-path = &env_nand; + status = "disabled"; + }; + }; + + aliases { + rtc0 = &ds1339; + rtc1 = &rtc_internal; + serial1 = &usart1; + serial4 = &usart4; + }; + + leds { + compatible = "gpio-leds"; + status = "okay"; + + status_internal { + gpios = <&pioE 15 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + }; + + pps { + compatible = "pps-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gnss_pps>; + + gpios = <&pioC 24 GPIO_ACTIVE_HIGH>; + /* assert-falling-edge; */ + }; + + vddbu_2v_reg: regulator-vddbu-2v { + compatible = "regulator-fixed"; + regulator-name = "VDDBU_2V"; + regulator-min-microvolt = <2000000>; + regulator-max-microvolt = <2000000>; + regulator-boot-on; + regulator-always-on; + }; +}; + +&slow_xtal { + clock-frequency = <32768>; +}; + +&main_xtal { + clock-frequency = <12000000>; +}; + +&spi0 { + status = "okay"; + cs-gpios = <&pioC 3 GPIO_ACTIVE_HIGH>; + + sx1302@0 { + compatible = "semtech,sx1301"; + spi-max-frequency = <10000000>; + reg = <0>; + }; +}; + +&i2c0 { + status = "okay"; + clock-frequency = <100000>; + i2c-digital-filter; + i2c-analog-filter; +}; + +&i2c1 { + status = "okay"; + clock-frequency = <400000>; + i2c-digital-filter; + i2c-analog-filter; + + stts751: temp_sensor@38 { + compatible = "stts751"; + reg = <0x38>; + }; + + m24c08: eeprom@54 { + compatible = "atmel,24c08"; + reg = <0x54>; + pagesize = <16>; + }; + + mac_at24mac402: eeprom@58 { + compatible = "atmel,24mac402"; + reg = <0x58>; + #address-cells = <1>; + #size-cells = <1>; + + ethaddr: mac-address@9a { + reg = <0x9a 6>; + }; + }; + + ds1339: rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + trickle-resistor-ohms = <250>; + }; +}; + +&i2c2 { + status = "okay"; + clock-frequency = <400000>; + i2c-digital-filter; + i2c-analog-filter; + + ec@2a { + compatible = "wifx,wgw-ec-i2c"; + reg = <0x2a>; + + interrupt-parent = <&pioE>; + interrupts = <27 IRQ_TYPE_EDGE_RISING>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mcu_irq &pinctrl_mcu_cpu_state>; + + cpu-state-gpios = <&pioA 19 0>; + + usb_typec: usbc { + compatible = "wifx,wgw-ec-usbc"; + #trigger-source-cells = <0>; + }; + + leds { + compatible = "wifx,wgw-ec-leds"; + #address-cells = <1>; + #size-cells = <0>; + + statusled { + reg = <0>; + label = "status"; + max-brightness = <255>; + linux,default-trigger = "heartbeat"; + }; + + serviceled { + reg = <1>; + label = "service"; + max-brightness = <255>; + linux,default-trigger = "wgw-usbc-data-mode"; + trigger-sources = <&usb_typec>; + }; + }; + }; +}; + +&macb0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>; + phy-mode = "rmii"; + phy-handle = <&phy0>; + nvmem-cells = <ðaddr>; + nvmem-cell-names = "mac-address"; + status = "okay"; + + phy0: ethernet-phy@1 { + interrupt-parent = <&pioA>; + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + reg = <1>; + }; +}; + +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3 &pinctrl_mmc1_cd>; + status = "okay"; + + slot@0 { + reg = <0>; + bus-width = <4>; + cd-gpios = <&pioE 3 0>; + }; +}; + +&usart1 { + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-0 = <&pinctrl_usart1>; + status = "okay"; +}; + +&usart3 { + atmel,use-dma-rx; + atmel,use-dma-tx; + status = "okay"; +}; + +&tcb0 { + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>; + }; + + timer@1 { + compatible = "atmel,tcb-timer"; + reg = <1>; + }; +}; + +/* disable unused TCBs */ +&tcb1 { + status = "disabled"; +}; + +&tcb2 { + status = "disabled"; +}; + +&watchdog { + status = "okay"; +}; + +rtc_internal: &{/ahb/apb/rtc@fc0686b0} { + status = "okay"; +}; + +&usb0 { + atmel,vbus-gpio = <&pioE 31 GPIO_ACTIVE_HIGH>; + atmel,id-gpio = <&pioD 11 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb_vbus>; + status = "okay"; +}; + +&usb1 { + num-ports = <3>; + atmel,vbus-gpio = <0 0 0 >; + atmel,id-gpio = <&pioD 11 GPIO_ACTIVE_HIGH 0 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb_id>; + status = "okay"; +}; + +&usb2 { + status = "okay"; +}; + +&ebi { + pinctrl-0 = <&pinctrl_ebi_cs3 &pinctrl_ebi_nrd_nandoe + &pinctrl_ebi_nwe_nandwe &pinctrl_ebi_nandrdy + &pinctrl_ebi_data_0_7 &pinctrl_ebi_nand_addr>; + pinctrl-names = "default"; + status = "okay"; +}; + +&nand_controller { + status = "okay"; + atmel,pmecc-cap = <4>; + atmel,pmecc-sector-size = <512>; + + nand@3 { + reg = <0x3 0x0 0x2>; + atmel,rb = <0>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-on-flash-bbt; + label = "atmel_nand"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + at91bootstrap@0 { + label = "at91bootstrap"; + reg = <0x0 0x40000>; + }; + + uboot@40000 { + label = "uboot"; + reg = <0x40000 0xC0000>; + }; + + env_nand: uboot-env@100000 { + label = "uboot-env"; + reg = <0x100000 0x80000>; + }; + + ubi@180000 { + label = "ubi"; + reg = <0x180000 0x3FE00000>; + }; + }; + }; +}; + +&pinctrl { + board { + pinctrl_mmc1_cd: mmc1_cd { + atmel,pins = <AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_usb_vbus: usb_vbus { + atmel,pins = <AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_usb_id: usb_id { + atmel,pins = <AT91_PIOD 11 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_mcu_irq: mcu_irq_0 { + atmel,pins = <AT91_PIOE 27 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_mcu_cpu_state: mcu_cpu_state { + atmel,pins = <AT91_PIOA 19 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(1))>; + }; + pinctrl_macb0_phy_irq: macb0_phy_irq_0 { + atmel,pins = <AT91_PIOA 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_sx130x_rst: sx130x_rst { + atmel,pins = <AT91_PIOA 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_rf_front_pwr_en: rf_front_pwr_en { + atmel,pins = <AT91_PIOA 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + + pinctrl_ext_rst: ext_rst { + atmel,pins = <AT91_PIOA 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_ext_pwr_en: ext_pwr_en { + atmel,pins = <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; + }; + pinctrl_ext_boot_n: ext_boot_n { + atmel,pins = <AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_ext_wake: ext_wake { + atmel,pins = <AT91_PIOA 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; + }; + pinctrl_gnss_pps: gnss_pps { + atmel,pins = <AT91_PIOC 24 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; + }; + }; +}; diff --git a/arch/arm/dts/sama5d4.dtsi b/arch/arm/dts/sama5d4.dtsi new file mode 100644 index 000000000000..d7dbba667d14 --- /dev/null +++ b/arch/arm/dts/sama5d4.dtsi @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/ { + aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; + }; +}; + +/delete-node/ &{/memory@20000000}; diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 529512b6c0db..22ed71350cb1 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -640,6 +640,14 @@ config MACH_SAMA5D27_GIANTBOARD help Select this if you are using the Groboards sama5d27 Giantboard +config MACH_SAMA5D4_WIFX + bool "Wifx L1 LoRaWAN base station" + select SOC_SAMA5D4 + select OFDEVICE + select COMMON_CLK_OF_PROVIDER + help + Select this if you are using the SAMA5D4-based Wifx L1. + endif comment "AT91 Board Options" diff --git a/images/Makefile.at91 b/images/Makefile.at91 index 71cc959f5d05..c6a6fb697bfe 100644 --- a/images/Makefile.at91 +++ b/images/Makefile.at91 @@ -51,3 +51,7 @@ pblb-$(CONFIG_MACH_SKOV_ARM9CPU) += start_skov_arm9cpu FILE_barebox-skov-arm9cpu.img = start_skov_arm9cpu.pblb MAX_PBL_MEMORY_SIZE_start_skov_arm9cpu = 0x12000 image-$(CONFIG_MACH_SKOV_ARM9CPU) += barebox-skov-arm9cpu.img + +pblb-$(CONFIG_MACH_SAMA5D4_WIFX) += start_sama5d4_wifx_l1 +FILE_barebox-wifx-l1.img = start_sama5d4_wifx_l1.pblb +image-$(CONFIG_MACH_SAMA5D4_WIFX) += barebox-wifx-l1.img -- 2.30.2
