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466ab56c10
nuttx/boards/risc-v/fe310/hifive1-revb
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Masayuki Ishikawa 466ab56c10 Merged in masayuki2009/nuttx.nuttx/fe310_gpio (pull request #1097) 
fe310 gpio

* arch: risc-v: Add arch/risc-v/src/common/up_mdelay.c

* arch: risc-v: Add arch/risc-v/src/common/up_udelay.c

* arch: fe310: Add #include <stdint.h> to fe310_start.c

* arch: risc-v: Add up_ack_irq() definition to commpn/up_internal.h

* arch: fe310: Add FE310 GPIO driver

* boards: hifive-revb: Add compiler optimization

* boards: hifive1-revb: Add auto leds related files.

* arch: fe310: Add CPU activity led to fe310_idle.c

* boards: hifive-revb: Add a button

    NOTE: still having a trouble in signal handling.

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-12-19 04:59:30 +00:00
..
configs/nsh Merged in masayuki2009/nuttx.nuttx/fe310_gpio (pull request #1097) 2019-12-19 04:59:30 +00:00
include Merged in masayuki2009/nuttx.nuttx/fe310_gpio (pull request #1097) 2019-12-19 04:59:30 +00:00
scripts Merged in masayuki2009/nuttx.nuttx/fe310_gpio (pull request #1097) 2019-12-19 04:59:30 +00:00
src Merged in masayuki2009/nuttx.nuttx/fe310_gpio (pull request #1097) 2019-12-19 04:59:30 +00:00
Kconfig
README-qemu.txt Merged in masayuki2009/nuttx.nuttx/fe310_with_pll (pull request #1094) 2019-12-11 12:01:53 +00:00
README.txt Merged in masayuki2009/nuttx.nuttx/fe310_with_pll (pull request #1094) 2019-12-11 12:01:53 +00:00

README.txt 

1. Download and install toolchain

  $ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz

2. Download and install J-Link Software Documentation Pack

  https://www.segger.com/downloads/jlink/

  $ sudo apt install JLink_Linux_V656b_x86_64.deb

3. Configure and build NuttX

  $ mkdir ./nuttx; cd ./nuttx
  $ git clone https://bitbucket.org/nuttx/nuttx.git
  $ git clone https://bitbucket.org/nuttx/apps.git
  $ cd nuttx
  $ make distclean
  $ ./tools/configure.sh hifive1-revb:nsh
  $ make V=1

4. Flash the nuttx with J-Link and run

  $ picocom -b 115200 /dev/ttyACM0

  $ /opt/SEGGER/JLink_V656b/JLinkGDBServer -device FE310

  $ riscv64-unknown-elf-gdb ./nuttx
  (gdb) target extended-remote:2331
  (gdb) load nuttx
  (gdb) c

5. TODO

  Support GPIO/SPI/I2C/RTC/WDT/PWM
  Support RISC-V User mode