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This is required for cleaning up any dma channels being used in spl and avoid issues with overlapping channel allocation in the next stage bootloaders. Signed-off-by: Prasanth Babu Mantena --- arch/arm/mach-k3/common.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index df48ec8d47..982dc76b00 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -28,6 +28,8 @@ #include #include #include +#include +#include #include @@ -246,12 +248,31 @@ void spl_enable_cache(void) #endif } -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) +static __maybe_unused void k3_dma_remove(void) +{ + struct udevice *dev; + int rc; + + rc = uclass_find_device(UCLASS_DMA, 0, &dev); + if (!rc && dev) { + rc = device_remove(dev, DM_REMOVE_NORMAL); + if (rc) + pr_warn("Cannot remove dma device '%s' (err=%d)\n", + dev->name, rc); + } +} + void spl_board_prepare_for_boot(void) { +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) dcache_disable(); +#endif +#if IS_ENABLED(CONFIG_SPL_DMA) && IS_ENABLED(CONFIG_SPL_DM_DEVICE_REMOVE) + k3_dma_remove(); +#endif } +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) void spl_board_prepare_for_linux(void) { dcache_disable(); From patchwork Fri Oct 4 13:20:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasanth Babu Mantena X-Patchwork-Id: 1992749 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=q23A97pl; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XKq275QXQz1xsn for ; 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Fri, 4 Oct 2024 08:21:09 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Fri, 4 Oct 2024 08:21:09 -0500 Received: from prasanth-server.dhcp.ti.com (prasanth-server.dhcp.ti.com [172.24.227.197]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 494DKx3e061378; Fri, 4 Oct 2024 08:21:06 -0500 From: Prasanth Babu Mantena To: , , CC: , , , , , Subject: [PATCH 2/4] configs: k3: Enable device removal in SPL Date: Fri, 4 Oct 2024 18:50:55 +0530 Message-ID: <20241004132057.1449909-3-p-mantena@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241004132057.1449909-1-p-mantena@ti.com> References: <20241004132057.1449909-1-p-mantena@ti.com> MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Enable CONFIG_SPL_DM_DEVICE_REMOVE in a72 and r5. Signed-off-by: Prasanth Babu Mantena --- configs/am62ax_evm_a53_defconfig | 1 + configs/am62ax_evm_r5_defconfig | 1 + configs/am62x_evm_a53_defconfig | 1 + configs/am62x_evm_r5_defconfig | 1 + configs/j7200_evm_a72_defconfig | 1 + configs/j7200_evm_r5_defconfig | 1 + configs/j721e_evm_a72_defconfig | 1 + configs/j721e_evm_r5_defconfig | 1 + configs/j721s2_evm_a72_defconfig | 1 + configs/j721s2_evm_r5_defconfig | 1 + configs/j784s4_evm_a72_defconfig | 1 + configs/j784s4_evm_r5_defconfig | 1 + 12 files changed, 12 insertions(+) diff --git a/configs/am62ax_evm_a53_defconfig b/configs/am62ax_evm_a53_defconfig index b905ff74f2..8f507ffb25 100644 --- a/configs/am62ax_evm_a53_defconfig +++ b/configs/am62ax_evm_a53_defconfig @@ -46,6 +46,7 @@ CONFIG_MULTI_DTB_FIT=y CONFIG_SPL_MULTI_DTB_FIT=y CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/am62ax_evm_r5_defconfig b/configs/am62ax_evm_r5_defconfig index 092d083062..c93d8eff76 100644 --- a/configs/am62ax_evm_r5_defconfig +++ b/configs/am62ax_evm_r5_defconfig @@ -70,6 +70,7 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SYS_MMC_ENV_PART=1 # CONFIG_NET is not set CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/am62x_evm_a53_defconfig b/configs/am62x_evm_a53_defconfig index 0b7ee942a0..003fa4f868 100644 --- a/configs/am62x_evm_a53_defconfig +++ b/configs/am62x_evm_a53_defconfig @@ -63,6 +63,7 @@ CONFIG_SPL_MULTI_DTB_FIT=y CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/am62x_evm_r5_defconfig b/configs/am62x_evm_r5_defconfig index 78ed3f62d0..c990e386e9 100644 --- a/configs/am62x_evm_r5_defconfig +++ b/configs/am62x_evm_r5_defconfig @@ -77,6 +77,7 @@ CONFIG_SPL_MULTI_DTB_FIT=y CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j7200_evm_a72_defconfig b/configs/j7200_evm_a72_defconfig index 137ca3f0d0..2e73559f8c 100644 --- a/configs/j7200_evm_a72_defconfig +++ b/configs/j7200_evm_a72_defconfig @@ -93,6 +93,7 @@ CONFIG_SYS_REDUNDAND_ENVIRONMENT=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j7200_evm_r5_defconfig b/configs/j7200_evm_r5_defconfig index 774a9eff43..eed78ba260 100644 --- a/configs/j7200_evm_r5_defconfig +++ b/configs/j7200_evm_r5_defconfig @@ -78,6 +78,7 @@ CONFIG_OF_CONTROL=y CONFIG_SPL_OF_CONTROL=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j721e_evm_a72_defconfig b/configs/j721e_evm_a72_defconfig index 640c1be2b9..bd55634924 100644 --- a/configs/j721e_evm_a72_defconfig +++ b/configs/j721e_evm_a72_defconfig @@ -97,6 +97,7 @@ CONFIG_SYS_REDUNDAND_ENVIRONMENT=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j721e_evm_r5_defconfig b/configs/j721e_evm_r5_defconfig index 3b4a7c3c0e..5aaf44661c 100644 --- a/configs/j721e_evm_r5_defconfig +++ b/configs/j721e_evm_r5_defconfig @@ -87,6 +87,7 @@ CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y CONFIG_ENV_OVERWRITE=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j721s2_evm_a72_defconfig b/configs/j721s2_evm_a72_defconfig index d78ebb5cfd..ebefe914b0 100644 --- a/configs/j721s2_evm_a72_defconfig +++ b/configs/j721s2_evm_a72_defconfig @@ -92,6 +92,7 @@ CONFIG_SYS_REDUNDAND_ENVIRONMENT=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j721s2_evm_r5_defconfig b/configs/j721s2_evm_r5_defconfig index b6adb6a77d..4561ce594c 100644 --- a/configs/j721s2_evm_r5_defconfig +++ b/configs/j721s2_evm_r5_defconfig @@ -88,6 +88,7 @@ CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y CONFIG_ENV_OVERWRITE=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y diff --git a/configs/j784s4_evm_a72_defconfig b/configs/j784s4_evm_a72_defconfig index f0220170bb..c7fc6bedda 100644 --- a/configs/j784s4_evm_a72_defconfig +++ b/configs/j784s4_evm_a72_defconfig @@ -42,6 +42,7 @@ CONFIG_SPL_SYS_MMCSD_RAW_MODE=y CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x1400 CONFIG_SPL_DMA=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_ENV_SUPPORT=y CONFIG_SPL_FS_LOAD_PAYLOAD_NAME="u-boot.img" CONFIG_SPL_I2C=y diff --git a/configs/j784s4_evm_r5_defconfig b/configs/j784s4_evm_r5_defconfig index a116881949..4a74c4c4fe 100644 --- a/configs/j784s4_evm_r5_defconfig +++ b/configs/j784s4_evm_r5_defconfig @@ -75,6 +75,7 @@ CONFIG_SPL_MULTI_DTB_FIT=y CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SPL_DM=y +CONFIG_SPL_DM_DEVICE_REMOVE=y CONFIG_SPL_DM_SEQ_ALIAS=y CONFIG_REGMAP=y CONFIG_SPL_REGMAP=y From patchwork Fri Oct 4 13:20:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasanth Babu Mantena X-Patchwork-Id: 1992750 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass 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(10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 4 Oct 2024 08:21:12 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Fri, 4 Oct 2024 08:21:12 -0500 Received: from prasanth-server.dhcp.ti.com (prasanth-server.dhcp.ti.com [172.24.227.197]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 494DKx3f061378; Fri, 4 Oct 2024 08:21:10 -0500 From: Prasanth Babu Mantena To: , , CC: , , , , , Subject: [PATCH 3/4] dma: ti: k3-udma: Move udma_probe() below all APIs Date: Fri, 4 Oct 2024 18:50:56 +0530 Message-ID: <20241004132057.1449909-4-p-mantena@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241004132057.1449909-1-p-mantena@ti.com> References: <20241004132057.1449909-1-p-mantena@ti.com> MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Santhosh Kumar K The udma_probe() function was placed above many important APIs related to bcdma, pktdma, which restricts these APIs to be accessed during probe. So, move udma_probe() below all of them. Signed-off-by: Santhosh Kumar K Signed-off-by: Prasanth Babu Mantena --- drivers/dma/ti/k3-udma.c | 270 +++++++++++++++++++-------------------- 1 file changed, 135 insertions(+), 135 deletions(-) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index e23d09e6b8..0543f5f4c8 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -1700,141 +1700,6 @@ static int setup_resources(struct udma_dev *ud) return ch_count; } -static int udma_probe(struct udevice *dev) -{ - struct dma_dev_priv *uc_priv = dev_get_uclass_priv(dev); - struct udma_dev *ud = dev_get_priv(dev); - int i, ret; - struct udevice *tmp; - struct udevice *tisci_dev = NULL; - struct udma_tisci_rm *tisci_rm = &ud->tisci_rm; - ofnode navss_ofnode = ofnode_get_parent(dev_ofnode(dev)); - - ud->match_data = (void *)dev_get_driver_data(dev); - ret = udma_get_mmrs(dev); - if (ret) - return ret; - - ud->psil_base = ud->match_data->psil_base; - - ret = uclass_get_device_by_phandle(UCLASS_FIRMWARE, dev, - "ti,sci", &tisci_dev); - if (ret) { - debug("Failed to get TISCI phandle (%d)\n", ret); - tisci_rm->tisci = NULL; - return -EINVAL; - } - tisci_rm->tisci = (struct ti_sci_handle *) - (ti_sci_get_handle_from_sysfw(tisci_dev)); - - tisci_rm->tisci_dev_id = -1; - ret = dev_read_u32(dev, "ti,sci-dev-id", &tisci_rm->tisci_dev_id); - if (ret) { - dev_err(dev, "ti,sci-dev-id read failure %d\n", ret); - return ret; - } - - tisci_rm->tisci_navss_dev_id = -1; - ret = ofnode_read_u32(navss_ofnode, "ti,sci-dev-id", - &tisci_rm->tisci_navss_dev_id); - if (ret) { - dev_err(dev, "navss sci-dev-id read failure %d\n", ret); - return ret; - } - - tisci_rm->tisci_udmap_ops = &tisci_rm->tisci->ops.rm_udmap_ops; - tisci_rm->tisci_psil_ops = &tisci_rm->tisci->ops.rm_psil_ops; - - if (ud->match_data->type == DMA_TYPE_UDMA) { - ret = uclass_get_device_by_phandle(UCLASS_MISC, dev, - "ti,ringacc", &tmp); - ud->ringacc = dev_get_priv(tmp); - } else { - struct k3_ringacc_init_data ring_init_data; - - ring_init_data.tisci = ud->tisci_rm.tisci; - ring_init_data.tisci_dev_id = ud->tisci_rm.tisci_dev_id; - if (ud->match_data->type == DMA_TYPE_BCDMA) { - ring_init_data.num_rings = ud->bchan_cnt + - ud->tchan_cnt + - ud->rchan_cnt; - } else { - ring_init_data.num_rings = ud->rflow_cnt + - ud->tflow_cnt; - } - - ud->ringacc = k3_ringacc_dmarings_init(dev, &ring_init_data); - } - if (IS_ERR(ud->ringacc)) - return PTR_ERR(ud->ringacc); - - ud->dev = dev; - ret = setup_resources(ud); - if (ret < 0) - return ret; - - ud->ch_count = ret; - - for (i = 0; i < ud->bchan_cnt; i++) { - struct udma_bchan *bchan = &ud->bchans[i]; - - bchan->id = i; - bchan->reg_rt = ud->mmrs[MMR_BCHANRT] + i * 0x1000; - } - - for (i = 0; i < ud->tchan_cnt; i++) { - struct udma_tchan *tchan = &ud->tchans[i]; - - tchan->id = i; - tchan->reg_chan = ud->mmrs[MMR_TCHAN] + UDMA_CH_100(i); - tchan->reg_rt = ud->mmrs[MMR_TCHANRT] + UDMA_CH_1000(i); - } - - for (i = 0; i < ud->rchan_cnt; i++) { - struct udma_rchan *rchan = &ud->rchans[i]; - - rchan->id = i; - rchan->reg_chan = ud->mmrs[MMR_RCHAN] + UDMA_CH_100(i); - rchan->reg_rt = ud->mmrs[MMR_RCHANRT] + UDMA_CH_1000(i); - } - - for (i = 0; i < ud->rflow_cnt; i++) { - struct udma_rflow *rflow = &ud->rflows[i]; - - rflow->id = i; - rflow->reg_rflow = ud->mmrs[MMR_RFLOW] + UDMA_CH_40(i); - } - - for (i = 0; i < ud->ch_count; i++) { - struct udma_chan *uc = &ud->channels[i]; - - uc->ud = ud; - uc->id = i; - uc->config.remote_thread_id = -1; - uc->bchan = NULL; - uc->tchan = NULL; - uc->rchan = NULL; - uc->config.mapped_channel_id = -1; - uc->config.default_flow_id = -1; - uc->config.dir = DMA_MEM_TO_MEM; - sprintf(uc->name, "UDMA chan%d\n", i); - if (!i) - uc->in_use = true; - } - - pr_debug("%s(rev: 0x%08x) CAP0-3: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", - dev->name, - udma_read(ud->mmrs[MMR_GCFG], 0), - udma_read(ud->mmrs[MMR_GCFG], 0x20), - udma_read(ud->mmrs[MMR_GCFG], 0x24), - udma_read(ud->mmrs[MMR_GCFG], 0x28), - udma_read(ud->mmrs[MMR_GCFG], 0x2c)); - - uc_priv->supported = DMA_SUPPORTS_MEM_TO_MEM | DMA_SUPPORTS_MEM_TO_DEV; - - return 0; -} - static int udma_push_to_ring(struct k3_nav_ring *ring, void *elem) { u64 addr = 0; @@ -2717,6 +2582,141 @@ static int udma_get_cfg(struct dma *dma, u32 id, void **data) return -EINVAL; } +static int udma_probe(struct udevice *dev) +{ + struct dma_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct udma_dev *ud = dev_get_priv(dev); + int i, ret; + struct udevice *tmp; + struct udevice *tisci_dev = NULL; + struct udma_tisci_rm *tisci_rm = &ud->tisci_rm; + ofnode navss_ofnode = ofnode_get_parent(dev_ofnode(dev)); + + ud->match_data = (void *)dev_get_driver_data(dev); + ret = udma_get_mmrs(dev); + if (ret) + return ret; + + ud->psil_base = ud->match_data->psil_base; + + ret = uclass_get_device_by_phandle(UCLASS_FIRMWARE, dev, + "ti,sci", &tisci_dev); + if (ret) { + debug("Failed to get TISCI phandle (%d)\n", ret); + tisci_rm->tisci = NULL; + return -EINVAL; + } + tisci_rm->tisci = (struct ti_sci_handle *) + (ti_sci_get_handle_from_sysfw(tisci_dev)); + + tisci_rm->tisci_dev_id = -1; + ret = dev_read_u32(dev, "ti,sci-dev-id", &tisci_rm->tisci_dev_id); + if (ret) { + dev_err(dev, "ti,sci-dev-id read failure %d\n", ret); + return ret; + } + + tisci_rm->tisci_navss_dev_id = -1; + ret = ofnode_read_u32(navss_ofnode, "ti,sci-dev-id", + &tisci_rm->tisci_navss_dev_id); + if (ret) { + dev_err(dev, "navss sci-dev-id read failure %d\n", ret); + return ret; + } + + tisci_rm->tisci_udmap_ops = &tisci_rm->tisci->ops.rm_udmap_ops; + tisci_rm->tisci_psil_ops = &tisci_rm->tisci->ops.rm_psil_ops; + + if (ud->match_data->type == DMA_TYPE_UDMA) { + ret = uclass_get_device_by_phandle(UCLASS_MISC, dev, + "ti,ringacc", &tmp); + ud->ringacc = dev_get_priv(tmp); + } else { + struct k3_ringacc_init_data ring_init_data; + + ring_init_data.tisci = ud->tisci_rm.tisci; + ring_init_data.tisci_dev_id = ud->tisci_rm.tisci_dev_id; + if (ud->match_data->type == DMA_TYPE_BCDMA) { + ring_init_data.num_rings = ud->bchan_cnt + + ud->tchan_cnt + + ud->rchan_cnt; + } else { + ring_init_data.num_rings = ud->rflow_cnt + + ud->tflow_cnt; + } + + ud->ringacc = k3_ringacc_dmarings_init(dev, &ring_init_data); + } + if (IS_ERR(ud->ringacc)) + return PTR_ERR(ud->ringacc); + + ud->dev = dev; + ret = setup_resources(ud); + if (ret < 0) + return ret; + + ud->ch_count = ret; + + for (i = 0; i < ud->bchan_cnt; i++) { + struct udma_bchan *bchan = &ud->bchans[i]; + + bchan->id = i; + bchan->reg_rt = ud->mmrs[MMR_BCHANRT] + i * 0x1000; + } + + for (i = 0; i < ud->tchan_cnt; i++) { + struct udma_tchan *tchan = &ud->tchans[i]; + + tchan->id = i; + tchan->reg_chan = ud->mmrs[MMR_TCHAN] + UDMA_CH_100(i); + tchan->reg_rt = ud->mmrs[MMR_TCHANRT] + UDMA_CH_1000(i); + } + + for (i = 0; i < ud->rchan_cnt; i++) { + struct udma_rchan *rchan = &ud->rchans[i]; + + rchan->id = i; + rchan->reg_chan = ud->mmrs[MMR_RCHAN] + UDMA_CH_100(i); + rchan->reg_rt = ud->mmrs[MMR_RCHANRT] + UDMA_CH_1000(i); + } + + for (i = 0; i < ud->rflow_cnt; i++) { + struct udma_rflow *rflow = &ud->rflows[i]; + + rflow->id = i; + rflow->reg_rflow = ud->mmrs[MMR_RFLOW] + UDMA_CH_40(i); + } + + for (i = 0; i < ud->ch_count; i++) { + struct udma_chan *uc = &ud->channels[i]; + + uc->ud = ud; + uc->id = i; + uc->config.remote_thread_id = -1; + uc->bchan = NULL; + uc->tchan = NULL; + uc->rchan = NULL; + uc->config.mapped_channel_id = -1; + uc->config.default_flow_id = -1; + uc->config.dir = DMA_MEM_TO_MEM; + sprintf(uc->name, "UDMA chan%d\n", i); + if (!i) + uc->in_use = true; + } + + pr_debug("%s(rev: 0x%08x) CAP0-3: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", + dev->name, + udma_read(ud->mmrs[MMR_GCFG], 0), + udma_read(ud->mmrs[MMR_GCFG], 0x20), + udma_read(ud->mmrs[MMR_GCFG], 0x24), + udma_read(ud->mmrs[MMR_GCFG], 0x28), + udma_read(ud->mmrs[MMR_GCFG], 0x2c)); + + uc_priv->supported = DMA_SUPPORTS_MEM_TO_MEM | DMA_SUPPORTS_MEM_TO_DEV; + + return 0; +} + static const struct dma_ops udma_ops = { .transfer = udma_transfer, .of_xlate = udma_of_xlate, From patchwork Fri Oct 4 13:20:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasanth Babu Mantena X-Patchwork-Id: 1992751 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Fri, 4 Oct 2024 08:21:15 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Fri, 4 Oct 2024 08:21:15 -0500 Received: from prasanth-server.dhcp.ti.com (prasanth-server.dhcp.ti.com [172.24.227.197]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 494DKx3g061378; Fri, 4 Oct 2024 08:21:13 -0500 From: Prasanth Babu Mantena To: , , CC: , , , , , Subject: [PATCH 4/4] dma: ti: k3-udma: Move DMA channel[0] allocation to probe and add udma_remove() Date: Fri, 4 Oct 2024 18:50:57 +0530 Message-ID: <20241004132057.1449909-5-p-mantena@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241004132057.1449909-1-p-mantena@ti.com> References: <20241004132057.1449909-1-p-mantena@ti.com> MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Santhosh Kumar K Currently, the allocation of DMA channel[0] for memcpy is happening in udma_transfer() for every transfer, which leads to a huge overhead for each transfer, especially in case of nand page reads. So, move this allocation to udma_probe(), as a result, the allocation is done once during probe. Introduce udma_remove() for the cleanup of allocated channel during probe. Signed-off-by: Santhosh Kumar K Signed-off-by: Prasanth Babu Mantena --- drivers/dma/ti/k3-udma.c | 64 ++++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 25 deletions(-) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 0543f5f4c8..e0328536a2 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2190,37 +2190,12 @@ static int udma_transfer(struct udevice *dev, int direction, /* Channel0 is reserved for memcpy */ struct udma_chan *uc = &ud->channels[0]; dma_addr_t paddr = 0; - int ret; - - switch (ud->match_data->type) { - case DMA_TYPE_UDMA: - ret = udma_alloc_chan_resources(uc); - break; - case DMA_TYPE_BCDMA: - ret = bcdma_alloc_chan_resources(uc); - break; - default: - return -EINVAL; - }; - if (ret) - return ret; udma_prep_dma_memcpy(uc, dst, src, len); udma_start(uc); udma_poll_completion(uc, &paddr); udma_stop(uc); - switch (ud->match_data->type) { - case DMA_TYPE_UDMA: - udma_free_chan_resources(uc); - break; - case DMA_TYPE_BCDMA: - bcdma_free_bchan_resources(uc); - break; - default: - return -EINVAL; - }; - return 0; } @@ -2590,6 +2565,7 @@ static int udma_probe(struct udevice *dev) struct udevice *tmp; struct udevice *tisci_dev = NULL; struct udma_tisci_rm *tisci_rm = &ud->tisci_rm; + struct udma_chan *uc; ofnode navss_ofnode = ofnode_get_parent(dev_ofnode(dev)); ud->match_data = (void *)dev_get_driver_data(dev); @@ -2714,6 +2690,42 @@ static int udma_probe(struct udevice *dev) uc_priv->supported = DMA_SUPPORTS_MEM_TO_MEM | DMA_SUPPORTS_MEM_TO_DEV; + uc = &ud->channels[0]; + switch (ud->match_data->type) { + case DMA_TYPE_UDMA: + ret = udma_alloc_chan_resources(uc); + break; + case DMA_TYPE_BCDMA: + ret = bcdma_alloc_chan_resources(uc); + break; + default: + return -EINVAL; + }; + + if (ret) { + dev_err(dev, " Channel 0 allocation failure %d\n", ret); + return ret; + } + + return 0; +} + +static int udma_remove(struct udevice *dev) +{ + struct udma_dev *ud = dev_get_priv(dev); + struct udma_chan *uc = &ud->channels[0]; + + switch (ud->match_data->type) { + case DMA_TYPE_UDMA: + udma_free_chan_resources(uc); + break; + case DMA_TYPE_BCDMA: + bcdma_free_bchan_resources(uc); + break; + default: + return -EINVAL; + }; + return 0; } @@ -2855,5 +2867,7 @@ U_BOOT_DRIVER(ti_edma3) = { .of_match = udma_ids, .ops = &udma_ops, .probe = udma_probe, + .remove = udma_remove, .priv_auto = sizeof(struct udma_dev), + .flags = DM_FLAG_OS_PREPARE, };