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Signed-off-by: olivia.wen Reviewed-by: AngeloGioacchino Del Regno --- Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml index 507f98f..7e7b567 100644 --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml @@ -22,7 +22,7 @@ properties: - mediatek,mt8192-scp - mediatek,mt8195-scp - mediatek,mt8195-scp-dual - + - mediatek,mt8188-scp-dual reg: description: Should contain the address ranges for memory regions SRAM, CFG, and, @@ -195,6 +195,7 @@ allOf: compatible: enum: - mediatek,mt8195-scp-dual + - mediatek,mt8188-scp-dual then: properties: reg: From patchwork Thu Apr 11 03:37:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivia Wen X-Patchwork-Id: 13625386 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 12552CD1297 for ; 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Wed, 10 Apr 2024 20:38:28 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS09N1.mediatek.inc (172.21.101.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 10 Apr 2024 20:37:54 -0700 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 11 Apr 2024 11:37:54 +0800 From: olivia.wen To: Bjorn Andersson , Mathieu Poirier , Rob Herring CC: Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Tinghan Shen , , , , , , , , , , Subject: [PATCH 2/2] remoteproc: mediatek: Support MT8188 SCP core 1 Date: Thu, 11 Apr 2024 11:37:50 +0800 Message-ID: <20240411033750.6476-3-olivia.wen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240411033750.6476-1-olivia.wen@mediatek.com> References: <20240411033750.6476-1-olivia.wen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240410_203836_536823_9F61D53B X-CRM114-Status: GOOD ( 19.11 ) 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 To Support MT8188 SCP core 1 for ISP driver. The SCP on different chips will require different code sizes and IPI buffer sizes based on varying requirements. Signed-off-by: olivia.wen --- drivers/remoteproc/mtk_common.h | 5 +-- drivers/remoteproc/mtk_scp.c | 62 +++++++++++++++++++++++++++++++------- drivers/remoteproc/mtk_scp_ipi.c | 9 ++++-- include/linux/remoteproc/mtk_scp.h | 1 + 4 files changed, 62 insertions(+), 15 deletions(-) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 6d7736a..8f37f65 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -78,7 +78,6 @@ #define MT8195_L2TCM_OFFSET 0x850d0 #define SCP_FW_VER_LEN 32 -#define SCP_SHARE_BUFFER_SIZE 288 struct scp_run { u32 signaled; @@ -110,6 +109,8 @@ struct mtk_scp_of_data { u32 host_to_scp_int_bit; size_t ipi_buf_offset; + u32 ipi_buffer_size; + u32 max_code_size; }; struct mtk_scp_of_cluster { @@ -162,7 +163,7 @@ struct mtk_scp { struct mtk_share_obj { u32 id; u32 len; - u8 share_buf[SCP_SHARE_BUFFER_SIZE]; + u8 *share_buf; }; void scp_memcpy_aligned(void __iomem *dst, const void *src, unsigned int len); diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 6751829..270718d 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -20,7 +20,6 @@ #include "mtk_common.h" #include "remoteproc_internal.h" -#define MAX_CODE_SIZE 0x500000 #define SECTION_NAME_IPI_BUFFER ".ipi_buffer" /** @@ -94,14 +93,14 @@ static void scp_ipi_handler(struct mtk_scp *scp) { struct mtk_share_obj __iomem *rcv_obj = scp->recv_buf; struct scp_ipi_desc *ipi_desc = scp->ipi_desc; - u8 tmp_data[SCP_SHARE_BUFFER_SIZE]; + u8 *tmp_data; scp_ipi_handler_t handler; u32 id = readl(&rcv_obj->id); u32 len = readl(&rcv_obj->len); - if (len > SCP_SHARE_BUFFER_SIZE) { + if (len > scp->data->ipi_buffer_size) { dev_err(scp->dev, "ipi message too long (len %d, max %d)", len, - SCP_SHARE_BUFFER_SIZE); + scp->data->ipi_buffer_size); return; } if (id >= SCP_IPI_MAX) { @@ -109,6 +108,10 @@ static void scp_ipi_handler(struct mtk_scp *scp) return; } + tmp_data = kzalloc(len, GFP_KERNEL); + if (!tmp_data) + return; + scp_ipi_lock(scp, id); handler = ipi_desc[id].handler; if (!handler) { @@ -123,6 +126,7 @@ static void scp_ipi_handler(struct mtk_scp *scp) scp->ipi_id_ack[id] = true; wake_up(&scp->ack_wq); + kfree(tmp_data); } static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp, @@ -133,6 +137,7 @@ static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) { int ret; size_t buf_sz, offset; + size_t share_buf_offset; /* read the ipi buf addr from FW itself first */ ret = scp_elf_read_ipi_buf_addr(scp, fw, &offset); @@ -154,10 +159,12 @@ static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) scp->recv_buf = (struct mtk_share_obj __iomem *) (scp->sram_base + offset); + share_buf_offset = sizeof(scp->recv_buf->id) + + sizeof(scp->recv_buf->len) + scp->data->ipi_buffer_size; scp->send_buf = (struct mtk_share_obj __iomem *) - (scp->sram_base + offset + sizeof(*scp->recv_buf)); - memset_io(scp->recv_buf, 0, sizeof(*scp->recv_buf)); - memset_io(scp->send_buf, 0, sizeof(*scp->send_buf)); + (scp->sram_base + offset + share_buf_offset); + memset_io(scp->recv_buf, 0, share_buf_offset); + memset_io(scp->send_buf, 0, share_buf_offset); return 0; } @@ -891,7 +898,7 @@ static int scp_map_memory_region(struct mtk_scp *scp) } /* Reserved SCP code size */ - scp->dram_size = MAX_CODE_SIZE; + scp->dram_size = scp->data->max_code_size; scp->cpu_addr = dma_alloc_coherent(scp->dev, scp->dram_size, &scp->dma_addr, GFP_KERNEL); if (!scp->cpu_addr) @@ -1247,6 +1254,8 @@ static const struct mtk_scp_of_data mt8183_of_data = { .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, .ipi_buf_offset = 0x7bdb0, + .max_code_size = 0x500000, + .ipi_buffer_size = 288, }; static const struct mtk_scp_of_data mt8186_of_data = { @@ -1260,18 +1269,22 @@ static const struct mtk_scp_of_data mt8186_of_data = { .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, .ipi_buf_offset = 0x3bdb0, + .max_code_size = 0x500000, + .ipi_buffer_size = 288, }; static const struct mtk_scp_of_data mt8188_of_data = { .scp_clk_get = mt8195_scp_clk_get, - .scp_before_load = mt8192_scp_before_load, - .scp_irq_handler = mt8192_scp_irq_handler, + .scp_before_load = mt8195_scp_before_load, + .scp_irq_handler = mt8195_scp_irq_handler, .scp_reset_assert = mt8192_scp_reset_assert, .scp_reset_deassert = mt8192_scp_reset_deassert, - .scp_stop = mt8192_scp_stop, + .scp_stop = mt8195_scp_stop, .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, + .max_code_size = 0x500000, + .ipi_buffer_size = 600, }; static const struct mtk_scp_of_data mt8192_of_data = { @@ -1284,6 +1297,8 @@ static const struct mtk_scp_of_data mt8192_of_data = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, + .max_code_size = 0x500000, + .ipi_buffer_size = 288, }; static const struct mtk_scp_of_data mt8195_of_data = { @@ -1296,6 +1311,8 @@ static const struct mtk_scp_of_data mt8195_of_data = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, + .max_code_size = 0x500000, + .ipi_buffer_size = 288, }; static const struct mtk_scp_of_data mt8195_of_data_c1 = { @@ -1308,6 +1325,22 @@ static const struct mtk_scp_of_data mt8195_of_data_c1 = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8195_CORE1_HOST_IPC_INT_BIT, + .max_code_size = 0x500000, + .ipi_buffer_size = 288, +}; + +static const struct mtk_scp_of_data mt8188_of_data_c1 = { + .scp_clk_get = mt8195_scp_clk_get, + .scp_before_load = mt8195_scp_c1_before_load, + .scp_irq_handler = mt8195_scp_c1_irq_handler, + .scp_reset_assert = mt8195_scp_c1_reset_assert, + .scp_reset_deassert = mt8195_scp_c1_reset_deassert, + .scp_stop = mt8195_scp_c1_stop, + .scp_da_to_va = mt8192_scp_da_to_va, + .host_to_scp_reg = MT8192_GIPC_IN_SET, + .host_to_scp_int_bit = MT8195_CORE1_HOST_IPC_INT_BIT, + .max_code_size = 0xA00000, + .ipi_buffer_size = 600, }; static const struct mtk_scp_of_data *mt8195_of_data_cores[] = { @@ -1316,6 +1349,12 @@ static const struct mtk_scp_of_data *mt8195_of_data_cores[] = { NULL }; +static const struct mtk_scp_of_data *mt8188_of_data_cores[] = { + &mt8188_of_data, + &mt8188_of_data_c1, + NULL +}; + static const struct of_device_id mtk_scp_of_match[] = { { .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data }, { .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data }, @@ -1323,6 +1362,7 @@ static const struct of_device_id mtk_scp_of_match[] = { { .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data }, { .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data }, { .compatible = "mediatek,mt8195-scp-dual", .data = &mt8195_of_data_cores }, + { .compatible = "mediatek,mt8188-scp-dual", .data = &mt8188_of_data_cores }, {}, }; MODULE_DEVICE_TABLE(of, mtk_scp_of_match); diff --git a/drivers/remoteproc/mtk_scp_ipi.c b/drivers/remoteproc/mtk_scp_ipi.c index cd0b601..4ef5491 100644 --- a/drivers/remoteproc/mtk_scp_ipi.c +++ b/drivers/remoteproc/mtk_scp_ipi.c @@ -162,10 +162,12 @@ int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, struct mtk_share_obj __iomem *send_obj = scp->send_buf; u32 val; int ret; + size_t share_buf_offset; + void __iomem *share_buf_io_address; if (WARN_ON(id <= SCP_IPI_INIT) || WARN_ON(id >= SCP_IPI_MAX) || WARN_ON(id == SCP_IPI_NS_SERVICE) || - WARN_ON(len > sizeof(send_obj->share_buf)) || WARN_ON(!buf)) + WARN_ON(len > scp->data->ipi_buffer_size) || WARN_ON(!buf)) return -EINVAL; ret = clk_prepare_enable(scp->clk); @@ -184,7 +186,10 @@ int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, goto unlock_mutex; } - scp_memcpy_aligned(send_obj->share_buf, buf, len); + share_buf_offset = offsetof(struct mtk_share_obj, share_buf); + share_buf_io_address = (void __iomem *)((uintptr_t)scp->send_buf + share_buf_offset); + + scp_memcpy_aligned(share_buf_io_address, buf, len); writel(len, &send_obj->len); writel(id, &send_obj->id); diff --git a/include/linux/remoteproc/mtk_scp.h b/include/linux/remoteproc/mtk_scp.h index 7c2b7cc9..344ff41 100644 --- a/include/linux/remoteproc/mtk_scp.h +++ b/include/linux/remoteproc/mtk_scp.h @@ -43,6 +43,7 @@ enum scp_ipi_id { SCP_IPI_CROS_HOST_CMD, SCP_IPI_VDEC_LAT, SCP_IPI_VDEC_CORE, + SCP_IPI_IMGSYS_CMD, SCP_IPI_NS_SERVICE = 0xFF, SCP_IPI_MAX = 0x100, };