From 26ffb1f568cd2f9d8815c385746931642e773abb Mon Sep 17 00:00:00 2001 From: ThomasNS Date: Thu, 25 Jan 2024 18:40:11 +0100 Subject: [PATCH] add xmc4800-relax to nuttx --- boards/Kconfig | 13 + boards/arm/xmc4/xmc4800-relax/Kconfig | 4 + .../xmc4/xmc4800-relax/configs/nsh/defconfig | 43 +++ boards/arm/xmc4/xmc4800-relax/include/board.h | 351 ++++++++++++++++++ .../arm/xmc4/xmc4800-relax/scripts/Make.defs | 46 +++ .../arm/xmc4/xmc4800-relax/scripts/flash.ld | 127 +++++++ boards/arm/xmc4/xmc4800-relax/src/Makefile | 43 +++ .../xmc4/xmc4800-relax/src/xmc4800-relax.h | 95 +++++ .../arm/xmc4/xmc4800-relax/src/xmc4_appinit.c | 71 ++++ .../xmc4/xmc4800-relax/src/xmc4_autoleds.c | 177 +++++++++ boards/arm/xmc4/xmc4800-relax/src/xmc4_boot.c | 80 ++++ .../arm/xmc4/xmc4800-relax/src/xmc4_bringup.c | 81 ++++ .../arm/xmc4/xmc4800-relax/src/xmc4_buttons.c | 64 ++++ boards/arm/xmc4/xmc4800-relax/src/xmc4_spi.c | 280 ++++++++++++++ .../xmc4/xmc4800-relax/src/xmc4_userleds.c | 87 +++++ 15 files changed, 1562 insertions(+) create mode 100644 boards/arm/xmc4/xmc4800-relax/Kconfig create mode 100644 boards/arm/xmc4/xmc4800-relax/configs/nsh/defconfig create mode 100644 boards/arm/xmc4/xmc4800-relax/include/board.h create mode 100644 boards/arm/xmc4/xmc4800-relax/scripts/Make.defs create mode 100644 boards/arm/xmc4/xmc4800-relax/scripts/flash.ld create mode 100644 boards/arm/xmc4/xmc4800-relax/src/Makefile create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4800-relax.h create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_appinit.c create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_autoleds.c create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_boot.c create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_bringup.c create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_buttons.c create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_spi.c create mode 100644 boards/arm/xmc4/xmc4800-relax/src/xmc4_userleds.c diff --git a/boards/Kconfig b/boards/Kconfig index 720b612067..624f0ba9ab 100644 --- a/boards/Kconfig +++ b/boards/Kconfig @@ -2868,6 +2868,15 @@ config ARCH_BOARD_XMC4700RELAX ---help--- Infineon XMC4700 Relax +config ARCH_BOARD_XMC4800RELAX + bool "Infineon XMC4800 Relax" + depends on ARCH_CHIP_XMC4800 + select ARCH_HAVE_LEDS + select ARCH_HAVE_BUTTONS + select ARCH_HAVE_IRQBUTTONS + ---help--- + Infineon XMC4800 Relax + config ARCH_BOARD_VERDIN_MX8MP bool "Toradex Verdin i.MX8MP" depends on ARCH_CHIP_MX8MP @@ -3364,6 +3373,7 @@ config ARCH_BOARD default "viewtool-stm32f107" if ARCH_BOARD_VIEWTOOL_STM32F107 default "xmc4500-relax" if ARCH_BOARD_XMC4500RELAX default "xmc4700-relax" if ARCH_BOARD_XMC4700RELAX + default "xmc4800-relax" if ARCH_BOARD_XMC4800RELAX default "verdin-mx8mp" if ARCH_BOARD_VERDIN_MX8MP default "z16f2800100zcog" if ARCH_BOARD_Z16F2800100ZCOG default "z20x" if ARCH_BOARD_Z20X @@ -4070,6 +4080,9 @@ endif if ARCH_BOARD_XMC4700RELAX source "boards/arm/xmc4/xmc4700-relax/Kconfig" endif +if ARCH_BOARD_XMC4800RELAX +source "boards/arm/xmc4/xmc4800-relax/Kconfig" +endif if ARCH_BOARD_VERDIN_MX8MP source "boards/arm/mx8mp/verdin-mx8mp/Kconfig" endif diff --git a/boards/arm/xmc4/xmc4800-relax/Kconfig b/boards/arm/xmc4/xmc4800-relax/Kconfig new file mode 100644 index 0000000000..f72f3c094c --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/Kconfig @@ -0,0 +1,4 @@ +# +# For a description of the syntax of this configuration file, +# see the file kconfig-language.txt in the NuttX tools repository. +# diff --git a/boards/arm/xmc4/xmc4800-relax/configs/nsh/defconfig b/boards/arm/xmc4/xmc4800-relax/configs/nsh/defconfig new file mode 100644 index 0000000000..b96ceae5a2 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/configs/nsh/defconfig @@ -0,0 +1,43 @@ +# +# This file is autogenerated: PLEASE DO NOT EDIT IT. +# +# You can use "make menuconfig" to make any modifications to the installed .config file. +# You can then do "make savedefconfig" to generate a new defconfig file that includes your +# modifications. +# +# CONFIG_ARCH_RAMFUNCS is not set +CONFIG_ARCH="arm" +CONFIG_ARCH_BOARD="xmc4800-relax" +CONFIG_ARCH_BOARD_XMC4800RELAX=y +CONFIG_ARCH_BUTTONS=y +CONFIG_ARCH_CHIP="xmc4" +CONFIG_ARCH_CHIP_XMC4800=y +CONFIG_ARCH_CHIP_XMC4=y +CONFIG_ARCH_INTERRUPTSTACK=2048 +CONFIG_ARCH_IRQBUTTONS=y +CONFIG_ARCH_STACKDUMP=y +CONFIG_BOARD_LOOPSPERMSEC=8000 +CONFIG_BUILTIN=y +CONFIG_DEBUG_NOOPT=y +CONFIG_INIT_ENTRYPOINT="nsh_main" +CONFIG_INTELHEX_BINARY=y +CONFIG_NSH_ARCHINIT=y +CONFIG_NSH_BUILTIN_APPS=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_LINELEN=64 +CONFIG_NSH_READLINE=y +CONFIG_PREALLOC_TIMERS=4 +CONFIG_RAM_SIZE=65536 +CONFIG_RAM_START=0x20000000 +CONFIG_RAW_BINARY=y +CONFIG_RR_INTERVAL=200 +CONFIG_SCHED_HPWORK=y +CONFIG_SCHED_WAITPID=y +CONFIG_START_DAY=10 +CONFIG_START_MONTH=3 +CONFIG_START_YEAR=2014 +CONFIG_SYSTEM_NSH=y +CONFIG_TESTING_RAMTEST=y +CONFIG_UART0_SERIAL_CONSOLE=y +CONFIG_XMC4_USIC0=y +CONFIG_XMC4_USIC0_CHAN1_NONE=y diff --git a/boards/arm/xmc4/xmc4800-relax/include/board.h b/boards/arm/xmc4/xmc4800-relax/include/board.h new file mode 100644 index 0000000000..f999325df9 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/include/board.h @@ -0,0 +1,351 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/include/board.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_ARM_XMC4_XMC4800_RELAX_INCLUDE_BOARD_H +#define __BOARDS_ARM_XMC4_XMC4800_RELAX_INCLUDE_BOARD_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#ifndef __ASSEMBLY__ +# include +# include +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Clocking *****************************************************************/ + +/* The maximum frequency for the XMC4800 is 144MHz. */ + +#undef BOARD_FCPU_120MHZ +#define BOARD_FCPU_144MHZ 1 + +/* Watchdog clock source selection */ + +#define WDT_CLKSRC_FOFI 0 /* fOFI clock */ +#define WDT_CLKSRC_FSTDY 1 /* fSTDY clock */ +#define WDT_CLKSRC_FPLL 2 /* fPLL clock */ + +/* External Clock source selection */ + +#define EXT_CLKSRC_FSYS 0 /* fSYS clock */ +#define EXT_CLKSRC_FUSB 2 /* fUSB clock divided by ECKDIV */ +#define EXT_CLKSRC_FPLL 3 /* fPLL clock divided by ECKDIV */ + +/* Factory Calibration */ + +#undef BOARD_FOFI_CALIBRATION /* Enable factory calibration */ + +/* On-board crystals */ + +#define BOARD_XTAL_FREQUENCY 12000000 /* 12MHz XTAL */ +#define BOARD_RTC_XTAL_FREQUENCY 32769 /* 32.768KHz RTC XTAL */ + +/* TODO: enable the RTC osc, use RTC for time/date + */ + +/* Select the external crystal as the PLL clock source */ + +#define BOARD_PLL_CLOCKSRC_XTAL 1 /* PLL Clock source == extnernal crystal */ +#undef BOARD_PLL_CLOCKSRC_OFI /* PLL Clock source != internal fast oscillator */ + +/* PLL Configuration: + * + * fXTAL = 12Mhz + * 260 MHz <= fVCO <= 520 MHz + * + * fVCO = fXTAL * ndiv / pdiv + * fPLL = fVCO / k2div + * fSYS = fPLL / sysdiv + * fETH = fSYS / 2 (fixed div by 2) + * fCCU = fSYS / ccudiv (div by 1 or 2) + * fCPU = fSYS / cpudiv (div by 1 or 2) + * fPERIPH = fCPU / pbdiv (div by 1 or 2) + */ + +#define BOARD_ENABLE_PLL 1 /* enable the PLL */ +#define CPU_FREQ 120 /* MHz */ + +/* TODO: Automate PLL calculations */ + +#if CPU_FREQ == 120 + +/* 120 MHz + * + * fVCO = 12MHz * 40 / 2 = 480MHz + * fPLL = 480MHz / 2 = 240MHz + * fSYS = fPLL / 2 = 120MHz + * fCCU = fSYS / 2 = 60MHz + * fCPU = fSYS / 1 = 120MHz + * fPB = fCPU / 2 = 60MHz + * fETH = fSYS / 2 = 60MHz + */ + +# define BOARD_PLL_NDIV 40 +# define BOARD_PLL_PDIV 1 +# define BOARD_PLL_K2DIV 4 +# define BOARD_PLL_SYSDIV 1 +# define BOARD_PLL_CPUDIV 1 +# define BOARD_PLL_PBDIV 2 +# define BOARD_PLL_CCUDIV 2 +# define BOARD_PLL_EBUDIV 4 + +#elif CPU_FREQ == 144 + +/* 144 MHz + * + * fVCO = 12MHz * 36 / 1 = 432MHz + * fPLL = 432MHz / 3 = 144MHz + * fSYS = fPLL / 1 = 144MHz + * fCCU = fSYS / 2 = 72MHz + * fCPU = fSYS / 1 = 144MHz + * fPB = fCPU / 2 = 72MHz + * fETH = fSYS / 2 = 72MHz + */ + +# define BOARD_PLL_NDIV 36 +# define BOARD_PLL_PDIV 1 +# define BOARD_PLL_K2DIV 3 +# define BOARD_PLL_SYSDIV 1 +# define BOARD_PLL_CPUDIV 1 +# define BOARD_PLL_PBDIV 2 +# define BOARD_PLL_CCUDIV 2 +# define BOARD_PLL_EBUDIV 2 + +#else +# error "Illegal or Unsupported CPU Frequency" +#endif + +# define BOARD_CCUDIV_ENABLE (BOARD_PLL_CCUDIV - 1) +# define BOARD_CPUDIV_ENABLE (BOARD_PLL_CPUDIV - 1) + +# define BOARD_VCO_FREQUENCY (BOARD_XTAL_FREQUENCY * BOARD_PLL_NDIV / BOARD_PLL_PDIV) +# define BOARD_PLL_FREQUENCY (BOARD_VCO_FREQUENCY / BOARD_PLL_K2DIV) +# define BOARD_SYS_FREQUENCY (BOARD_PLL_FREQUENCY / BOARD_PLL_SYSDIV) +# define BOARD_CCU_FREQUENCY (BOARD_SYS_FREQUENCY / BOARD_PLL_CCUDIV) +# define BOARD_CPU_FREQUENCY (BOARD_SYS_FREQUENCY / BOARD_PLL_CPUDIV) +# define BOARD_PERIPH_FREQUENCY (BOARD_CPU_FREQUENCY / BOARD_PLL_PBDIV) +# define BOARD_ETH_FREQUENCY (BOARD_SYS_FREQUENCY / 2) + +# define BOARD_WDT_SOURCE WDT_CLKSRC_FOFI +# define BOARD_WDTDIV 1 +# define BOARD_WDT_FREQUENCY 24000000 + +# define BOARD_EXT_SOURCE EXT_CLKSRC_FPLL +# define BOARD_PLL_ECKDIV 480 /* [1,512] */ + +# define kHz_1 1000 +# define MHz_1 (kHz_1 * kHz_1) +# define MHz_50 ( 50 * MHz_1) +# define MHz_260 (260 * MHz_1) +# define MHz_520 (520 * MHz_1) + +/* range check VCO frequency */ + +# if (BOARD_VCO_FREQUENCY < MHz_260) +# error "VCO freq must be >= 260 MHz" +# endif + +# if (BOARD_VCO_FREQUENCY > MHz_520) +# error "VCO freq must be <= 520 MHz" +# endif + +/* range check Ethernet MAC frequency */ + +# if (BOARD_ETH_FREQUENCY <= MHz_50) +# error "ETH freq must be > 50 MHz" +# endif + +/* check ccudiv cpudiv pbdiv against Table 11-5 + * of XMC4800 User Manual + */ + +#define CLKDIV_INDEX (4 * (BOARD_PLL_CCUDIV-1) + \ + 2 * (BOARD_PLL_CPUDIV-1) + \ + (BOARD_PLL_PBDIV-1) ) + +#if (CLKDIV_INDEX == 3) || (CLKDIV_INDEX == 4) || (CLKDIV_INDEX > 6) +# error "Illegal combination of dividers! Ref: Table 11-5 of UM" +#endif + +/* EXT clock settings */ + +#define BOARD_EXTCKL_ENABLE 1 /* 0 disables output */ + +#if BOARD_EXTCKL_ENABLE +# define EXTCLK_PIN_P0_8 8 +# define EXTCLK_PIN_P1_15 15 +# define BOARD_EXTCLK_PIN EXTCLK_PIN_P0_8 +# define BOARD_EXT_SOURCE EXT_CLKSRC_FPLL +# define BOARD_EXT_FREQUENCY (250 * kHz_1) /* Desired output freq */ +# define BOARD_EXTDIV (BOARD_PLL_FREQUENCY / BOARD_EXT_FREQUENCY) + +/* range check EXTDIV */ + +# if BOARD_EXTDIV > 512 +# error "EXTCLK Divisor out of range!" +# endif +#endif + +/* Standby clock source selection + * + * BOARD_STDBY_CLOCKSRC_OSI - Internal 32.768KHz slow oscillator + * BOARD_STDBY_CLOCKSRC_OSCULP - External 32.768KHz crystal + */ + +#define BOARD_STDBY_CLOCKSRC_OSI 1 +#undef BOARD_STDBY_CLOCKSRC_OSCULP +#define BOARD_STDBY_FREQUENCY 32768 + +/* USB PLL settings. + * + * fUSBPLL = 48MHz and fUSBPLLVCO = 384 MHz + * + * Note: Implicit divider of 2 and fUSBPLLVCO >= 260 MHz and + * fUSBPLLVCO <= 520 MHz + */ + +#undef BOARD_ENABLE_USBPLL +#define BOARD_USB_PDIV 2 +#define BOARD_USB_NDIV 64 + +/* FLASH wait states */ + +#define BOARD_FLASH_WS 5 + +/* LED definitions **********************************************************/ + +/* The XMC4800 Relax board has two LEDs: + * + * LED1 P5.9 High output illuminates + * LED2 P5.8 High output illuminates + * + * If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in + * any way. + * The following definitions are used to access individual LEDs. + */ + +/* LED index values for use with board_userled() */ + +#define BOARD_LED0 0 +#define BOARD_LED1 1 +#define BOARD_NLEDS 2 + +/* LED bits for use with board_userled_all() */ + +#define BOARD_LED0_BIT (1 << BOARD_LED0) +#define BOARD_LED1_BIT (1 << BOARD_LED1) + +/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is + * defined. In that case, the usage by the board port is defined in + * include/board.h and src/sam_autoleds.c. The LEDs are used to encode + * OS-related events as follows: + * + * SYMBOL Meaning LED state + * LED2 LED1 + * --------------------- -------------------------- ------ ------ + */ + +#define LED_STARTED 0 /* NuttX has been started OFF OFF */ +#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF */ +#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF */ +#define LED_STACKCREATED 1 /* Idle stack created ON OFF */ +#define LED_INIRQ 2 /* In an interrupt No change */ +#define LED_SIGNAL 2 /* In a signal handler No change */ +#define LED_ASSERTION 2 /* An assertion failed No change */ +#define LED_PANIC 3 /* The system has crashed N/C Blinking */ +#undef LED_IDLE /* MCU is is sleep mode Not used */ + +/* Thus if LED1 is statically on, NuttX has successfully booted and is, + * apparently, running normally. If LED2 is flashing at approximately + * 2Hz, then a fatal error has been detected and the system has halted. + */ + +/* Button definitions *******************************************************/ + +/* The XMC4800 Relax board has two buttons: + * + * BUTTON1 P15.13 Low input sensed when button pressed + * BUTTON2 P15.12 Low input sensed when button pressed + */ + +#define BUTTON_0 0 +#define BUTTON_1 1 +#define NUM_BUTTONS 2 + +#define BUTTON_0_BIT (1 << BUTTON_0) +#define BUTTON_1_BIT (1 << BUTTON_1) + +/* USIC0 ********************************************************************/ + +/* USIC0 CH0 is used as UART0 + * + * RX - P1.4 + * TX - P1.5 + */ + +#define BOARD_UART0_DX USIC_DXB +#define GPIO_UART0_RXD GPIO_U0C0_DX0B +#define GPIO_UART0_TXD (GPIO_U0C0_DOUT0_3 | GPIO_PADA1P_STRONGSOFT | GPIO_OUTPUT_SET) + +/* USIC2 CH0 is used as SPI4 + * + * MOSI - P3.8 (UC2C0.DOUT0) + * MISO - P3.7 (UC2C0.DX0C) + * SCLK - P3.9 (UC2C0.SCLKOUT) + */ + +#define BOARD_SPI_DX USIC_DXC +#define GPIO_SPI4_MOSI (GPIO_U2C0_DOUT0_2 | GPIO_PADA2_STRONGMEDIUM) +#define GPIO_SPI4_MISO (GPIO_U2C0_DX0C) +#define GPIO_SPI4_SCLK (GPIO_U2C0_SCLKOUT_1 | GPIO_PADA2_STRONGMEDIUM) + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __BOARDS_ARM_XMC4_XMC4800_RELAX_INCLUDE_BOARD_H */ diff --git a/boards/arm/xmc4/xmc4800-relax/scripts/Make.defs b/boards/arm/xmc4/xmc4800-relax/scripts/Make.defs new file mode 100644 index 0000000000..2de14ea75b --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/scripts/Make.defs @@ -0,0 +1,46 @@ +############################################################################ +# boards/arm/xmc4/xmc4800-relax/scripts/Make.defs +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(TOPDIR)/.config +include $(TOPDIR)/tools/Config.mk +include $(TOPDIR)/arch/arm/src/armv7-m/Toolchain.defs + +LDSCRIPT = flash.ld +ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT) + +ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10 + +CFLAGS := $(ARCHCFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe +CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS) +CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe +CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS) +CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) +AFLAGS := $(CFLAGS) -D__ASSEMBLY__ + +NXFLATLDFLAGS1 = -r -d -warn-common +NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections +LDNXFLATFLAGS = -e main -s 2048 + +# Loadable module definitions + +CMODULEFLAGS = $(CFLAGS) -mlong-calls # --target1-abs + +LDMODULEFLAGS = -r -e module_initialize +LDMODULEFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)/libs/libc/modlib/gnu-elf.ld) diff --git a/boards/arm/xmc4/xmc4800-relax/scripts/flash.ld b/boards/arm/xmc4/xmc4800-relax/scripts/flash.ld new file mode 100644 index 0000000000..ea554ecd7e --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/scripts/flash.ld @@ -0,0 +1,127 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/scripts/flash.ld + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + * + ****************************************************************************/ + +/* The XMC4800 has 2048Kb of FLASH accessible via: +* 1) the cacheable address space at 0x0800:0000 +* 2) the non-cacheable address space at 0x0c00:0000 +* +* The on-chip SRAM is split up into three blocks: +* 1) 96Kb of program memory beginning at the address 0x1ffe:8000 +* 2) 128Kb of data memory beginning at the address 0x2000:0000 +* 3) 128Kb of communication memory beginning at the address 0x2002:0000 +*/ + +MEMORY +{ + flash (rx) : ORIGIN = 0x0c000000, LENGTH = 2048K + psram (rwx) : ORIGIN = 0x1ffe8000, LENGTH = 96K + sram (rwx) : ORIGIN = 0x20000000, LENGTH = 256K + dsram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 128K + dsram2 (rwx) : ORIGIN = 0x20020000, LENGTH = 128K +} + +OUTPUT_ARCH(arm) +ENTRY(_stext) +SECTIONS +{ + .text : + { + _stext = ABSOLUTE(.); + *(.vectors) + *(.text .text.*) + *(.fixup) + *(.gnu.warning) + *(.rodata .rodata.*) + *(.gnu.linkonce.t.*) + *(.glue_7) + *(.glue_7t) + *(.got) + *(.gcc_except_table) + *(.gnu.linkonce.r.*) + _etext = ABSOLUTE(.); + } > flash + + .init_section : + { + _sinit = ABSOLUTE(.); + KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) + KEEP(*(.init_array .ctors)) + _einit = ABSOLUTE(.); + } > flash + + .ARM.extab : + { + *(.ARM.extab*) + } > flash + + __exidx_start = ABSOLUTE(.); + .ARM.exidx : + { + *(.ARM.exidx*) + } > flash + __exidx_end = ABSOLUTE(.); + + _eronly = ABSOLUTE(.); + + .data : + { + _sdata = ABSOLUTE(.); + *(.data .data.*) + *(.gnu.linkonce.d.*) + CONSTRUCTORS + . = ALIGN(4); + _edata = ABSOLUTE(.); + } > sram AT > flash + + .bss : + { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + . = ALIGN(4); + _ebss = ABSOLUTE(.); + } > sram + + /* Global data not cleared after reset. */ + + .noinit : + { + _snoinit = ABSOLUTE(.); + *(.noinit*) + _enoinit = ABSOLUTE(.); + } > sram + + /* Stabs debugging sections. */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_info 0 : { *(.debug_info) } + .debug_line 0 : { *(.debug_line) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } +} diff --git a/boards/arm/xmc4/xmc4800-relax/src/Makefile b/boards/arm/xmc4/xmc4800-relax/src/Makefile new file mode 100644 index 0000000000..2138d5de4a --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/Makefile @@ -0,0 +1,43 @@ +############################################################################ +# boards/arm/xmc4/xmc4800-relax/src/Makefile +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(TOPDIR)/Make.defs + +CSRCS = xmc4_boot.c xmc4_bringup.c + +ifeq ($(CONFIG_INPUT_BUTTONS),y) +CSRCS += xmc4_buttons.c +endif + +ifeq ($(CONFIG_ARCH_LEDS),y) +CSRCS += xmc4_autoleds.c +else +CSRCS += xmc4_userleds.c +endif + +ifeq ($(CONFIG_XMC4_USCI_SPI),y) +CSRCS += xmc4_spi.c +endif + +ifeq ($(CONFIG_BOARDCTL),y) +CSRCS += xmc4_appinit.c +endif + +include $(TOPDIR)/boards/Board.mk diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4800-relax.h b/boards/arm/xmc4/xmc4800-relax/src/xmc4800-relax.h new file mode 100644 index 0000000000..e47b8cab83 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4800-relax.h @@ -0,0 +1,95 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4800-relax.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_ARM_XMC4_XMC4800_RELAX_SRC_XMC4800_RELAX_H +#define __BOARDS_ARM_XMC4_XMC4800_RELAX_SRC_XMC4800_RELAX_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include "xmc4_gpio.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* LEDs + * + * The XMC4800 Relax board has two LEDs: + * + * LED1 P5.9, Pad type A1+, High output illuminates + * LED2 P5.8, Pad type A1+ High output illuminates + */ + +#define GPIO_LED1 (GPIO_OUTPUT | GPIO_OUTPUT_PUSHPULL | \ + GPIO_PADA1P_STRONGSOFT | GPIO_PINCTRL_SOFTWARE | \ + GPIO_OUTPUT_CLEAR | GPIO_PORT5 | GPIO_PIN9) +#define GPIO_LED2 (GPIO_OUTPUT | GPIO_OUTPUT_PUSHPULL | \ + GPIO_PADA1P_STRONGSOFT | GPIO_PINCTRL_SOFTWARE | \ + GPIO_OUTPUT_CLEAR | GPIO_PORT5 | GPIO_PIN8) + +/* BUTTONS + * + * The XMC4800 Relax board has two buttons: + * + * BUTTON1 P15.13, Pad type A2, Low input sensed when button pressed + * BUTTON2 P15.12, Pad type A2, Low input sensed when button pressed + */ + +#define GPIO_BUTTON1 (GPIO_INPUT | GPIO_PINCTRL_SOFTWARE | \ + GPIO_PORT15 | GPIO_PIN13) +#define GPIO_BUTTON2 (GPIO_INPUT | GPIO_PINCTRL_SOFTWARE | \ + GPIO_PORT15 | GPIO_PIN12) + +/* SPIs Chip select */ + +#define GPIO_CS (GPIO_OUTPUT | GPIO_OUTPUT_PUSHPULL | \ + GPIO_PADA1P_STRONGSOFT | GPIO_PINCTRL_SOFTWARE | \ + GPIO_OUTPUT_SET | GPIO_PORT3 | GPIO_PIN10) + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: xmc4_bringup + * + * Description: + * Bring up board features + * + ****************************************************************************/ + +int xmc4_bringup(void); + +#endif /* __ASSEMBLY__ */ +#endif /* __BOARDS_ARM_XMC4_XMC4800_RELAX_SRC_XMC4800_RELAX_H */ diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_appinit.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_appinit.c new file mode 100644 index 0000000000..0e18b041b2 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_appinit.c @@ -0,0 +1,71 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_appinit.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include + +#include "xmc4800-relax.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_app_initialize + * + * Description: + * Perform application specific initialization. This function is never + * called directly from application code, but only indirectly via the + * (non-standard) boardctl() interface using the command BOARDIOC_INIT. + * + * Input Parameters: + * arg - The boardctl() argument is passed to the board_app_initialize() + * implementation without modification. The argument has no + * meaning to NuttX; the meaning of the argument is a contract + * between the board-specific initialization logic and the + * matching application logic. The value could be such things as a + * mode enumeration value, a set of DIP switch switch settings, a + * pointer to configuration data read from a file or serial FLASH, + * or whatever you would like to do with it. Every implementation + * should accept zero/NULL as a default configuration. + * + * Returned Value: + * Zero (OK) is returned on success; a negated errno value is returned on + * any failure to indicate the nature of the failure. + * + ****************************************************************************/ + +int board_app_initialize(uintptr_t arg) +{ +#ifndef CONFIG_BOARD_LATE_INITIALIZE + /* Perform board initialization */ + + return xmc4_bringup(); +#else + return OK; +#endif /* CONFIG_BOARD_LATE_INITIALIZE */ +} diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_autoleds.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_autoleds.c new file mode 100644 index 0000000000..683bc786a5 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_autoleds.c @@ -0,0 +1,177 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_autoleds.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/* The XMC4800 Relax Lite v1 board has two LEDs: + * + * LED1 P5.9 High output illuminates + * LED2 P5.8 High output illuminates + * + * These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is + * defined. In that case, the usage by the board port is defined in + * include/board.h and src/sam_autoleds.c. The LEDs are used to encode + * OS-related events as follows: + * + * SYMBOL Meaning LED state + * LED1 LED2 + * ------------------ ------------------------ ------ ------ + * LED_STARTED NuttX has been started OFF OFF + * LED_HEAPALLOCATE Heap has been allocated OFF OFF + * LED_IRQSENABLED Interrupts enabled OFF OFF + * LED_STACKCREATED Idle stack created ON OFF + * LED_INIRQ In an interrupt No change + * LED_SIGNAL In a signal handler No change + * LED_ASSERTION An assertion failed No change + * LED_PANIC The system has crashed N/C Blinking + * LED_IDLE MCU is is sleep mode Not used + */ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include "xmc4_gpio.h" +#include "xmc4800-relax.h" + +#ifdef CONFIG_ARCH_LEDS + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static void board_led1_on(int led) +{ + bool ledon = false; + + switch (led) + { + case 0: /* LED1=OFF */ + break; + + case 1: /* LED1=ON */ + ledon = true; + break; + + case 2: /* LED1=N/C */ + case 3: /* LED1=N/C */ + default: + return; + } + + xmc4_gpio_write(GPIO_LED1, ledon); +} + +static void board_led2_on(int led) +{ + bool ledon = false; + + switch (led) + { + case 0: /* LED2=OFF */ + case 1: /* LED2=OFF */ + break; + + case 3: /* LED2=ON */ + ledon = true; + break; + + case 2: /* LED2=N/C */ + default: + return; + } + + xmc4_gpio_write(GPIO_LED2, ledon); +} + +static void board_led1_off(int led) +{ + switch (led) + { + case 0: /* LED1=OFF */ + case 1: /* LED1=OFF */ + break; + + case 2: /* LED1=N/C */ + case 3: /* LED1=N/C */ + default: + return; + } + + xmc4_gpio_write(GPIO_LED1, false); +} + +static void board_led2_off(int led) +{ + switch (led) + { + case 0: /* LED2=OFF */ + case 1: /* LED2=OFF */ + case 3: /* LED2=OFF */ + break; + + case 2: /* LED2=N/C */ + default: + return; + } + + xmc4_gpio_write(GPIO_LED2, false); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_autoled_initialize + ****************************************************************************/ + +void board_autoled_initialize(void) +{ + /* Configure LED1-2 GPIOs for output */ + + xmc4_gpio_config(GPIO_LED1); + xmc4_gpio_config(GPIO_LED2); +} + +/**************************************************************************** + * Name: board_autoled_on + ****************************************************************************/ + +void board_autoled_on(int led) +{ + board_led1_on(led); + board_led2_on(led); +} + +/**************************************************************************** + * Name: board_autoled_off + ****************************************************************************/ + +void board_autoled_off(int led) +{ + board_led1_off(led); + board_led2_off(led); +} + +#endif /* CONFIG_ARCH_LEDS */ diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_boot.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_boot.c new file mode 100644 index 0000000000..2a41dde74c --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_boot.c @@ -0,0 +1,80 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_boot.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include "xmc4800-relax.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: xmc4_board_initialize + * + * Description: + * All XMC4 architectures must provide the following entry point. + * This entry point is called early in the initialization -- after all + * memory has been configured and mapped but before any devices have been + * initialized. + * + ****************************************************************************/ + +void xmc4_board_initialize(void) +{ +#ifdef CONFIG_ARCH_LEDS + /* Configure on-board LEDs if LED support has been selected. */ + + board_autoled_initialize(); +#endif + +#ifdef CONFIG_XMC4_USCI_SPI + xmc4_spidev_initialize(); +#endif +} + +/**************************************************************************** + * Name: board_late_initialize + * + * Description: + * If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional + * initialization call will be performed in the boot-up sequence to a + * function called board_late_initialize(). board_late_initialize() will be + * called immediately after up_initialize() is called and just before the + * initial application is started. This additional initialization phase + * may be used, for example, to initialize board-specific device drivers. + * + ****************************************************************************/ + +#ifdef CONFIG_BOARD_LATE_INITIALIZE +void board_late_initialize(void) +{ + /* Perform board initialization */ + + xmc4_bringup(); +} +#endif /* CONFIG_BOARD_LATE_INITIALIZE */ diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_bringup.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_bringup.c new file mode 100644 index 0000000000..97ea35c150 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_bringup.c @@ -0,0 +1,81 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_bringup.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#ifdef CONFIG_XMC4_USCI_SPI +# include +#endif +#ifdef CONFIG_USERLED +# include +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: xmc4_bringup + * + * Description: + * Bring up board features + * + ****************************************************************************/ + +int xmc4_bringup(void) +{ + int ret = OK; + +#ifdef CONFIG_XMC4_USCI_SPI + struct spi_dev_s *spi; + spi = xmc4_spibus_initialize(4); + + if (!spi) + { + return -ENODEV; + } + + ret = spi_register(spi, 0); + if (ret < 0) + { + snerr("ERROR: Failed to register driver: %d\n", ret); + } +#endif + +#ifdef CONFIG_USERLED + /* Register the LED driver */ + + ret = userled_lower_initialize("/dev/userleds"); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret); + } +#endif + + return ret; +} diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_buttons.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_buttons.c new file mode 100644 index 0000000000..dc997bbd1a --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_buttons.c @@ -0,0 +1,64 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_buttons.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include "xmc4800-relax.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_button_initialize + ****************************************************************************/ + +uint32_t board_button_initialize(void) +{ +#warning Missing logic + return 0; +} + +/**************************************************************************** + * Name: board_buttons + ****************************************************************************/ + +uint32_t board_buttons(void) +{ +#warning Missing logic + return 0; +} + +/**************************************************************************** + * Name: board_button_irq + ****************************************************************************/ + +#ifdef CONFIG_ARCH_IRQBUTTONS +int board_button_irq(int id, xcpt_t irqhandler, void *arg) +{ +#warning Missing logic + return -ENOSYS; +} +#endif /* CONFIG_ARCH_IRQBUTTONS */ diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_spi.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_spi.c new file mode 100644 index 0000000000..9923f119dc --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_spi.c @@ -0,0 +1,280 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_spi.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include + +#include "xmc4800-relax.h" +#include "xmc4_gpio.h" +#include "xmc4_spi.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: xmc4_spidev_initialize + * + * Description: + * Called to configure SPI chip select GPIO pins. + * + ****************************************************************************/ + +void weak_function xmc4_spidev_initialize(void) +{ + /* Configure SPI0 chip selects */ + +#ifdef CONFIG_XMC4_SPI0 +#endif + + /* Configure SPI1 chip selects */ + +#ifdef CONFIG_XMC4_SPI1 +#endif + + /* Configure SPI2 chip selects */ + +#if defined(CONFIG_XMC4_SPI2) +#endif + + /* Configure SPI3 chip selects */ + +#ifdef CONFIG_XMC4_SPI3 +#endif + + /* Configure SPI4 chip selects */ + +#ifdef CONFIG_XMC4_SPI4 + xmc4_gpio_config(GPIO_CS); +#endif +} + +/**************************************************************************** + * Name: xmc4_spi[n]select, xmc4_spi[n]status, and xmc4_spi[n]cmddata + * + * Description: + * These external functions must be provided by board-specific logic. They + * are implementations of the select, status, and cmddata methods of the + * SPI interface defined by struct spi_ops_s (see include/nuttx/spi/spi.h). + * All other methods including xmc4_spibus_initialize()) are provided by + * common xmc4 logic. To use this common SPI logic on your board: + * + * 1. Provide logic in xmc4_boardinitialize() to configure SPI chip select + * pins. + * 2. Provide xmc4_spi[n]select() and xmc4_spi[n]status() functions + * in your board-specific logic. These functions will perform chip + * selection and status operations using GPIOs in the way your board + * is configured. + * 2. If CONFIG_SPI_CMDDATA is defined in the NuttX configuration, provide + * xmc4_spi[n]cmddata() functions in your board-specific logic. These + * functions will perform cmd/data selection operations using GPIOs in + * the way your board is configured. + * 3. Add a call to xmc4_spibus_initialize() in your low level application + * initialization logic + * 4. The handle returned by xmc4_spibus_initialize() may then be used to + * bind the SPI driver to higher level logic (e.g., calling + * mmcsd_spislotinitialize(), for example, will bind the SPI driver to + * the SPI MMC/SD driver). + * + ****************************************************************************/ + +/**************************************************************************** + * Name: xmc4_spi[n]select + * + * Description: + * PIO chip select pins may be programmed by the board specific logic in + * one of two different ways. First, the pins may be programmed as SPI + * peripherals. In that case, the pins are completely controlled by the + * SPI driver. This method still needs to be provided, but it may be only + * a stub. + * + * An alternative way to program the PIO chip select pins is as a normal + * GPIO output. In that case, the automatic control of the CS pins is + * bypassed and this function must provide control of the chip select. + * NOTE: In this case, the GPIO output pin does *not* have to be the + * same as the NPCS pin normal associated with the chip select number. + * + * Input Parameters: + * devid - Identifies the (logical) device + * selected - TRUE:Select the device, FALSE:De-select the device + * + * Returned Values: + * None + * + ****************************************************************************/ + +#ifdef CONFIG_XMC4_SPI0 +void xmc4_spi0select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", + (int)devid, selected ? "assert" : "de-assert"); +} +#endif + +#ifdef CONFIG_XMC4_SPI1 +void xmc4_spi1select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", + (int)devid, selected ? "assert" : "de-assert"); +} +#endif + +#ifdef CONFIG_XMC4_SPI2 +void xmc4_spi2select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", + (int)devid, selected ? "assert" : "de-assert"); +} +#endif + +#ifdef CONFIG_XMC4_SPI3 +void xmc4_spi3select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", + (int)devid, selected ? "assert" : "de-assert"); +} +#endif + +#ifdef CONFIG_XMC4_SPI4 +void xmc4_spi4select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", + (int)devid, selected ? "assert" : "de-assert"); + + xmc4_gpio_write(GPIO_CS, !selected); +} +#endif + +/**************************************************************************** + * Name: xmc4_spi[n]status + * + * Description: + * Return status information associated with the SPI device. + * + * Input Parameters: + * devid - Identifies the (logical) device + * + * Returned Values: + * Bit-encoded SPI status (see include/nuttx/spi/spi.h). + * + ****************************************************************************/ + +#ifdef CONFIG_XMC4_SPI0 +uint8_t xmc4_spi0status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI1 +uint8_t xmc4_spi1status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI2 +uint8_t xmc4_spi2status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI3 +uint8_t xmc4_spi3status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI4 +uint8_t xmc4_spi4status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} +#endif + +/**************************************************************************** + * Name: xmc4_spi[n]cmddata + * + * Description: + * Some SPI interfaces, particularly with LCDs, and an auxiliary 9th data + * input that determines where the other 8 data bits represent command or + * data. These interfaces control that CMD/DATA GPIO output + * + * Input Parameters: + * devid - Identifies the (logical) device + * cmd - Determines where command or data should be selected. + * + * Returned Values: + * Bit-encoded SPI status (see include/nuttx/spi/spi.h). + * + ****************************************************************************/ + +#ifdef CONFIG_SPI_CMDDATA +#ifdef CONFIG_XMC4_SPI0 +int xmc4_spi0cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI1 +int xmc4_spi1cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI2 +int xmc4_spi2cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI3 +int xmc4_spi3cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return 0; +} +#endif + +#ifdef CONFIG_XMC4_SPI4 +int xmc4_spi4cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return 0; +} +#endif +#endif /* CONFIG_SPI_CMDDATA */ diff --git a/boards/arm/xmc4/xmc4800-relax/src/xmc4_userleds.c b/boards/arm/xmc4/xmc4800-relax/src/xmc4_userleds.c new file mode 100644 index 0000000000..a4cdac0d49 --- /dev/null +++ b/boards/arm/xmc4/xmc4800-relax/src/xmc4_userleds.c @@ -0,0 +1,87 @@ +/**************************************************************************** + * boards/arm/xmc4/xmc4800-relax/src/xmc4_userleds.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include + +#include + +#include "xmc4_gpio.h" +#include "xmc4800-relax.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_userled_initialize + ****************************************************************************/ + +uint32_t board_userled_initialize(void) +{ + /* Configure LED1-2 GPIOs for output */ + + xmc4_gpio_config(GPIO_LED1); + xmc4_gpio_config(GPIO_LED2); + return BOARD_NLEDS; +} + +/**************************************************************************** + * Name: board_userled + ****************************************************************************/ + +void board_userled(int led, bool ledon) +{ + gpioconfig_t ledcfg; + + if (led == BOARD_LED0) + { + ledcfg = GPIO_LED1; + } + else if (led == BOARD_LED1) + { + ledcfg = GPIO_LED2; + } + else + { + return; + } + + xmc4_gpio_write(ledcfg, ledon); +} + +/**************************************************************************** + * Name: board_userled_all + ****************************************************************************/ + +void board_userled_all(uint32_t ledset) +{ + bool ledon; + + ledon = ((ledset & BOARD_LED0_BIT) != 0); + xmc4_gpio_write(GPIO_LED1, ledon); + + ledon = ((ledset & BOARD_LED1_BIT) != 0); + xmc4_gpio_write(GPIO_LED2, ledon); +}