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| author | Biwen Li <biwen.li@nxp.com> | 2026-07-24 14:17:58 +0800 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-07-27 12:59:06 -0400 |
| commit | d93dce11f39aaf5c2b246e68f20d47b92e99d331 (patch) | |
| tree | 0655144fa9029e6490c10484cca819e73024bd94 | |
| parent | 89d93ad8afedfcbc8281d07f68b18829325d73ab (diff) | |
| download | linux-next-d93dce11f39aaf5c2b246e68f20d47b92e99d331.tar.gz linux-next-d93dce11f39aaf5c2b246e68f20d47b92e99d331.zip | |
arm64: dts: imx8ulp-evk: Update rpmsg resource table address
The MCU firmware copies the rsc table to a fixed address (0x1FFF8000) at
startup. However, this address is occupied by variables used in the MCU
firmware, so copying the rsc table there corrupts those variables.
Move the rsc-table reserved memory region from 0x1FFF8000 to 0x20000000
to avoid the conflict. The M33 firmware linker script has been updated
accordingly to place the rpmsg resource table at 0x20000000 (DTCM
m_rsc_tbl region).
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts index 22c1d542798d..4b925832bb66 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -55,8 +55,8 @@ no-map; }; - rsc_table: rsc-table@1fff8000 { - reg = <0 0x1fff8000 0 0x1000>; + rsc_table: rsc-table@20000000 { + reg = <0 0x20000000 0 0x1000>; no-map; }; |