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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Iuliana Prodan Add the .find_loaded_rsc_table operation for i.MX DSP. We need it for inter-process communication between DSP and main core. This callback is used to find the resource table (defined in remote processor linker script) where the address of the vrings along with the other allocated resources (carveouts etc) are stored. If this is not found, the vrings are not allocated and the IPC between cores will not work. Signed-off-by: Iuliana Prodan Reviewed-by: Daniel Baluta --- drivers/remoteproc/imx_dsp_rproc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c index 8fcda9b74545..a1c62d15f16c 100644 --- a/drivers/remoteproc/imx_dsp_rproc.c +++ b/drivers/remoteproc/imx_dsp_rproc.c @@ -940,6 +940,7 @@ static const struct rproc_ops imx_dsp_rproc_ops = { .kick = imx_dsp_rproc_kick, .load = imx_dsp_rproc_elf_load_segments, .parse_fw = imx_dsp_rproc_parse_fw, + .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, .sanity_check = rproc_elf_sanity_check, .get_boot_addr = rproc_elf_get_boot_addr, }; From patchwork Fri Oct 13 15:27:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Iuliana Prodan (OSS)" X-Patchwork-Id: 13421017 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62918CDB47E for ; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Iuliana Prodan Add the reserve-memory nodes used by DSP when the rpmsg feature is enabled. Signed-off-by: Iuliana Prodan Acked-by: Alexander Stein --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 22 ++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index fa37ce89f8d3..b677ad8ef042 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -125,6 +125,28 @@ }; }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + dsp_vdev0vring0: vdev0vring0@942f0000 { + reg = <0 0x942f0000 0 0x8000>; + no-map; + }; + + dsp_vdev0vring1: vdev0vring1@942f8000 { + reg = <0 0x942f8000 0 0x8000>; + no-map; + }; + + dsp_vdev0buffer: vdev0buffer@94300000 { + compatible = "shared-dma-pool"; + reg = <0 0x94300000 0 0x100000>; + no-map; + }; + }; }; &flexspi {