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c14888e759
nuttx/arch/risc-v/include
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Yanfeng Liu 4456b2db29 risc-v/k230: add IPI support to speed up RPTUN/RPMSG 
This patch adds inter-processor interrupt support using K230 mailbox
device to improve the RPMsg efficiency. The polling logic has been
dropped.

Major changes:

- in arch/risc-v/include/k230:
  - irq.h          add IRQ for IPI devices
- in arch/risc-v/src/k230:
  - Kconfig        add IPI related config, increase polling delay
  - Make.defs      add k230_ipi.c to CHIP_SRCS
  - k230_hart.c    fix typo, add notes of zero MISA reading w/ NUTTSBI
  - k230_irq.c     use K230_PLIC_IRQS as ext IRQ limit to support IPI
  - k230_rptun.c   use IPI instead of polling
- in boards/risc-v/k230/canmv230/configs
  - master         enable IPI support
  - remote         enable IPI, TMPFS, RPMSGFS etc

New additions:

- in arch/risc-v/src/k230:
  - k230_ipi.h     add K230 IPI related defintions
  - k230_ipi.c     add K230 IPI driver

Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
2024-02-21 04:37:03 -08:00
..
bl602
bl808 arch/riscv: Add support for Bouffalo Lab BL808 SoC (T-Head C906) 2023-12-12 08:50:03 -08:00
c906
esp32c3 risc-v/espressif: Rename espressif/esp32c3 as esp32c3 2024-01-30 08:32:05 +01:00
esp32c3-legacy risc-v/esp32c3: Rename legacy approach esp32c3 as esp32c3-legacy 2024-01-30 08:32:05 +01:00
esp32c6 risc-v/espressif: Rename espressif/esp32c3 as esp32c3 2024-01-30 08:32:05 +01:00
esp32h2 risc-v/espressif: Rename espressif/esp32c3 as esp32c3 2024-01-30 08:32:05 +01:00
fe310
hpm6000 Add support for hpm6360evk 2024-02-18 09:17:56 -08:00
hpm6750
jh7110 arch/risc-v: Add support for StarFive JH7110 SoC 2023-08-03 22:55:55 -07:00
k210
k230 risc-v/k230: add IPI support to speed up RPTUN/RPMSG 2024-02-21 04:37:03 -08:00
litex risc-v/litex: fix typo in litex/irq.h 2024-01-06 04:15:52 -08:00
mpfs
qemu-rv
rv32m1
.gitignore
arch.h risc-v/addrenv: Improve the commenting on struct arch_addrenv_s 2023-11-02 21:52:23 +08:00
barriers.h riscv/barrier: Define more granular memory barriers 2023-06-14 16:14:57 -03:00
csr.h arch/risc-v: add status fields for VS and XS 2024-01-28 06:38:25 -08:00
elf.h riscv/arch_elf.c: Handle PCREL_HI20/LO12_I/S relocations correctly 2023-12-12 17:32:36 -08:00
inttypes.h
irq.h arch/risc-v: fix a few typos in comments 2023-12-31 07:25:51 -08:00
limits.h
mode.h Update mode.h to add CSR_TVEC 2023-12-23 20:43:47 -08:00
setjmp.h
spinlock.h
stdarg.h
syscall.h arch/risc-v: change up_saveusercontext to assembly code 2023-04-27 17:34:30 +08:00
types.h