From nobody Wed Oct 8 05:54:42 2025 Received: from server.couthit.com (server.couthit.com [162.240.164.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AAB652D46CE; Wed, 2 Jul 2025 16:26:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.240.164.96 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751473568; cv=none; b=DYgbcgsqccwdK6ykUcZW74+gqa3Zx8kVWe8fyGvMjse/RActQH6uHRmQU4rr7G0KJW9t/xJC4WDZTtmxZ5E2HOCdjtaiHE90kAeGbMKS0kIIBISJ/RIN+V67u+yYdP5Jbvd8Am2qhtoQIGAv88x2suIa/xVI8VPs5qCXcA5OwCg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751473568; c=relaxed/simple; bh=EveluqZwHcrw48ysBefLkzdfXQWm7QNTxqR3qvDzoJE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tG41o4Txd/5pKS0TrKbhfiOIKGVSGmSf3P2DeO7twklOPJnZnyagiP0NwnCyTjp9MAsTlhlsegZW9tH1mDVC76NFoo2NfkJ+3V2DQ7AlJRgAVyQlIMgZDRPbDZp3614/ATeADUiuBYdd2Ls9WjzD0OgxRp0CVdhq4QB4Khg6ENs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=couthit.com; spf=pass smtp.mailfrom=couthit.com; dkim=pass (2048-bit key) header.d=couthit.com header.i=@couthit.com header.b=wvmHP0qR; arc=none smtp.client-ip=162.240.164.96 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=couthit.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=couthit.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=couthit.com header.i=@couthit.com header.b="wvmHP0qR" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=couthit.com ; s=default; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=xLCVjYPDAueSJ87L89YSo6AkJv42KzlPhgAtjaMQpgA=; b=wvmHP0qREdi6kpJwRpV7p+LHC2 ocHz6noDACd4LVZNYbPYp3ke//vwyXW6DrDv9P4lGkF3D/9rWy4fWSayILbKNhid+RQkEn/OnygTY ZydzNw68eQ2PmBJiPLEbySxqwXhDTa0ID7rJW8ZrA2pKiDeadHNNfdj7DUpFMI/RSKvHs7pI5RDRJ W93PXdCNYUW48gD2pW2QCcglv+O0+MlBCKAMX0NRc2bj9Ho04heoWn55Z3YRg7fj/AY/xUpa1ZdEj SX8+NbaJ7l8Cf2NSNWrEULpbDMaXL7wXJE4GIbgXd/o/SiEU2FCq1AxMXxsXJMWIy5fUJCKbqHTrI tdxte2mA==; Received: from [122.175.9.182] (port=39304 helo=cypher.couthit.local) by server.couthit.com with esmtpa (Exim 4.98.1) (envelope-from ) id 1uX0HZ-00000004Tbr-477t; Wed, 02 Jul 2025 12:26:02 -0400 From: Parvathi Pudi To: danishanwar@ti.com, rogerq@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, ssantosh@kernel.org, richardcochran@gmail.com, s.hauer@pengutronix.de, m-karicheri2@ti.com, glaroque@baylibre.com, afd@ti.com, saikrishnag@marvell.com, m-malladi@ti.com, jacob.e.keller@intel.com, diogo.ivo@siemens.com, javier.carrasco.cruz@gmail.com, horms@kernel.org, s-anna@ti.com, basharath@couthit.com, parvathi@couthit.com Cc: linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, vadim.fedorenko@linux.dev, pratheesh@ti.com, prajith@ti.com, vigneshr@ti.com, praneeth@ti.com, srk@ti.com, rogerq@ti.com, krishna@couthit.com, pmohan@couthit.com, mohan@couthit.com Subject: [PATCH net-next v10 10/11] net: ti: prueth: Adds support for PRUETH on AM33x and AM43x SOCs Date: Wed, 2 Jul 2025 21:54:49 +0530 Message-Id: <20250702162450.1674937-11-parvathi@couthit.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250702140633.1612269-1-parvathi@couthit.com> References: <20250702140633.1612269-1-parvathi@couthit.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server.couthit.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - couthit.com X-Get-Message-Sender-Via: server.couthit.com: authenticated_id: parvathi@couthit.com X-Authenticated-Sender: server.couthit.com: parvathi@couthit.com X-Source: X-Source-Args: X-Source-Dir: Content-Type: text/plain; charset="utf-8" From: Roger Quadros Adds support for AM335x and AM437x datasets. Dual-EMAC and Switch mode firmware elf file to switch between protocols at run time. Added API hooks for IEP module (legacy 32-bit model) to support timestamping requests from application. Signed-off-by: Roger Quadros Signed-off-by: Andrew F. Davis Signed-off-by: Basharath Hussain Khaja Signed-off-by: Parvathi Pudi --- drivers/net/ethernet/ti/icssg/icss_iep.c | 61 ++++++++++++++++++++ drivers/net/ethernet/ti/icssm/icssm_prueth.c | 32 ++++++++++ 2 files changed, 93 insertions(+) diff --git a/drivers/net/ethernet/ti/icssg/icss_iep.c b/drivers/net/etherne= t/ti/icssg/icss_iep.c index 031a6be6a4e3..d0850722814e 100644 --- a/drivers/net/ethernet/ti/icssg/icss_iep.c +++ b/drivers/net/ethernet/ti/icssg/icss_iep.c @@ -1006,6 +1006,59 @@ static const struct icss_iep_plat_data am57xx_icss_i= ep_plat_data =3D { .config =3D &am654_icss_iep_regmap_config, }; =20 +static bool am335x_icss_iep_valid_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ICSS_IEP_GLOBAL_CFG_REG ... ICSS_IEP_CAPTURE_STAT_REG: + case ICSS_IEP_CAP6_RISE_REG0: + case ICSS_IEP_CMP_CFG_REG ... ICSS_IEP_CMP0_REG0: + case ICSS_IEP_CMP8_REG0 ... ICSS_IEP_SYNC_START_REG: + return true; + default: + return false; + } + + return false; +} + +static const struct regmap_config am335x_icss_iep_regmap_config =3D { + .name =3D "icss iep", + .reg_stride =3D 1, + .reg_write =3D icss_iep_regmap_write, + .reg_read =3D icss_iep_regmap_read, + .writeable_reg =3D am335x_icss_iep_valid_reg, + .readable_reg =3D am335x_icss_iep_valid_reg, +}; + +static const struct icss_iep_plat_data am335x_icss_iep_plat_data =3D { + .flags =3D 0, + .reg_offs =3D { + [ICSS_IEP_GLOBAL_CFG_REG] =3D 0x00, + [ICSS_IEP_COMPEN_REG] =3D 0x08, + [ICSS_IEP_COUNT_REG0] =3D 0x0C, + [ICSS_IEP_CAPTURE_CFG_REG] =3D 0x10, + [ICSS_IEP_CAPTURE_STAT_REG] =3D 0x14, + + [ICSS_IEP_CAP6_RISE_REG0] =3D 0x30, + + [ICSS_IEP_CAP7_RISE_REG0] =3D 0x38, + + [ICSS_IEP_CMP_CFG_REG] =3D 0x40, + [ICSS_IEP_CMP_STAT_REG] =3D 0x44, + [ICSS_IEP_CMP0_REG0] =3D 0x48, + + [ICSS_IEP_CMP8_REG0] =3D 0x88, + [ICSS_IEP_SYNC_CTRL_REG] =3D 0x100, + [ICSS_IEP_SYNC0_STAT_REG] =3D 0x108, + [ICSS_IEP_SYNC1_STAT_REG] =3D 0x10C, + [ICSS_IEP_SYNC_PWIDTH_REG] =3D 0x110, + [ICSS_IEP_SYNC0_PERIOD_REG] =3D 0x114, + [ICSS_IEP_SYNC1_DELAY_REG] =3D 0x118, + [ICSS_IEP_SYNC_START_REG] =3D 0x11C, + }, + .config =3D &am335x_icss_iep_regmap_config, +}; + static const struct of_device_id icss_iep_of_match[] =3D { { .compatible =3D "ti,am654-icss-iep", @@ -1015,6 +1068,14 @@ static const struct of_device_id icss_iep_of_match[]= =3D { .compatible =3D "ti,am5728-icss-iep", .data =3D &am57xx_icss_iep_plat_data, }, + { + .compatible =3D "ti,am3356-icss-iep", + .data =3D &am335x_icss_iep_plat_data, + }, + { + .compatible =3D "ti,am4376-icss-iep", + .data =3D &am335x_icss_iep_plat_data, + }, {}, }; MODULE_DEVICE_TABLE(of, icss_iep_of_match); diff --git a/drivers/net/ethernet/ti/icssm/icssm_prueth.c b/drivers/net/eth= ernet/ti/icssm/icssm_prueth.c index 3fc895a2e355..ab9b764084f7 100644 --- a/drivers/net/ethernet/ti/icssm/icssm_prueth.c +++ b/drivers/net/ethernet/ti/icssm/icssm_prueth.c @@ -2122,6 +2122,10 @@ static int icssm_prueth_probe(struct platform_device= *pdev) } =20 prueth->ocmc_ram_size =3D OCMC_RAM_SIZE; + /* Decreased by 8KB to address the reserved region for AM33x */ + if (prueth->fw_data->driver_data =3D=3D PRUSS_AM33XX) + prueth->ocmc_ram_size =3D (SZ_64K - SZ_8K); + prueth->mem[PRUETH_MEM_OCMC].va =3D (void __iomem *)gen_pool_alloc(prueth->sram_pool, prueth->ocmc_ram_size); @@ -2365,6 +2369,32 @@ static const struct dev_pm_ops prueth_dev_pm_ops =3D= { SET_SYSTEM_SLEEP_PM_OPS(icssm_prueth_suspend, icssm_prueth_resume) }; =20 +/* AM335x SoC-specific firmware data */ +static struct prueth_private_data am335x_prueth_pdata =3D { + .driver_data =3D PRUSS_AM33XX, + .fw_pru[PRUSS_PRU0] =3D { + .fw_name[PRUSS_ETHTYPE_EMAC] =3D + "ti-pruss/am335x-pru0-prueth-fw.elf", + }, + .fw_pru[PRUSS_PRU1] =3D { + .fw_name[PRUSS_ETHTYPE_EMAC] =3D + "ti-pruss/am335x-pru1-prueth-fw.elf", + }, +}; + +/* AM437x SoC-specific firmware data */ +static struct prueth_private_data am437x_prueth_pdata =3D { + .driver_data =3D PRUSS_AM43XX, + .fw_pru[PRUSS_PRU0] =3D { + .fw_name[PRUSS_ETHTYPE_EMAC] =3D + "ti-pruss/am437x-pru0-prueth-fw.elf", + }, + .fw_pru[PRUSS_PRU1] =3D { + .fw_name[PRUSS_ETHTYPE_EMAC] =3D + "ti-pruss/am437x-pru1-prueth-fw.elf", + }, +}; + /* AM57xx SoC-specific firmware data */ static struct prueth_private_data am57xx_prueth_pdata =3D { .driver_data =3D PRUSS_AM57XX, @@ -2380,6 +2410,8 @@ static struct prueth_private_data am57xx_prueth_pdata= =3D { =20 static const struct of_device_id prueth_dt_match[] =3D { { .compatible =3D "ti,am57-prueth", .data =3D &am57xx_prueth_pdata, }, + { .compatible =3D "ti,am4376-prueth", .data =3D &am437x_prueth_pdata, }, + { .compatible =3D "ti,am3359-prueth", .data =3D &am335x_prueth_pdata, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, prueth_dt_match); --=20 2.34.1