this patch set to provide remoteproc functionality on
i.MX7D SoC.
For testing I used this simple counter written in ASM:
======================================
.syntax unified
.text
.thumb
.int 0x10020000 @ Initial SP value
.int reset + 1
reset:
mov r0, #0x55
ldr r1, =(0x40)
1:
str r0, [r1]
add r0, 1
b 1b
/* Dummy data, required by remoteproc loader */
/* Please FIXME, this part seem to be incorrect */
.data
.section .resource_table, "aw"
.word 1, 0, 0, 0 /* struct resource_table base */
.word 0 /* uint32_t offset[1] */
============================================================
compiled with:
${CROSS}as -o imx7m4.o imx7m4.S
${CROSS}ld -Ttext=0x0 -o imx7m4.elf imx7m4.o
cp imx7m4.elf /srv/nfs/sid-armhf/lib/firmware/rproc-imx_rproc-fw
Functionality was confirmed with current OpenOCD master.
OpenOCD cfg file can be found here:
https://github.com/olerem/openocd/blob/imx7-2017.06.14/tcl/target/imx7.cfg
changes:
v3:
- rename rproc to cm4 (Cortex M4)
v2:
- use memory-region instead of reg property
- remove memory ranges from documentation
Oleksij Rempel (2):
remoteproc: dt: Provide bindings for iMX6SX/7D Remote Processor
Controller driver
remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver
.../devicetree/bindings/remoteproc/imx-rproc.txt | 33 ++
drivers/remoteproc/Kconfig | 10 +
drivers/remoteproc/Makefile | 1 +
drivers/remoteproc/imx_rproc.c | 426 +++++++++++++++++++++
4 files changed, 470 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/imx-rproc.txt
create mode 100644 drivers/remoteproc/imx_rproc.c
--
2.11.0
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