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Received: from [122.175.9.182] (port=13719 helo=cypher.couthit.local) by server.couthit.com with esmtpa (Exim 4.98.1) (envelope-from ) id 1uTkGx-00000006VGn-1zd4; Mon, 23 Jun 2025 12:43:55 -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, 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 v9 10/11] net: ti: prueth: Adds support for PRUETH on AM33x and AM43x SOCs Date: Mon, 23 Jun 2025 22:12:35 +0530 Message-Id: <20250623164236.255083-11-parvathi@couthit.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250623135949.254674-1-parvathi@couthit.com> References: <20250623135949.254674-1-parvathi@couthit.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 - lists.infradead.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: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250623_174401_161971_014562A4 X-CRM114-Status: GOOD ( 10.00 ) 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: 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/ethernet/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_iep_plat_data = { .config = &am654_icss_iep_regmap_config, }; +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 = { + .name = "icss iep", + .reg_stride = 1, + .reg_write = icss_iep_regmap_write, + .reg_read = icss_iep_regmap_read, + .writeable_reg = am335x_icss_iep_valid_reg, + .readable_reg = am335x_icss_iep_valid_reg, +}; + +static const struct icss_iep_plat_data am335x_icss_iep_plat_data = { + .flags = 0, + .reg_offs = { + [ICSS_IEP_GLOBAL_CFG_REG] = 0x00, + [ICSS_IEP_COMPEN_REG] = 0x08, + [ICSS_IEP_COUNT_REG0] = 0x0C, + [ICSS_IEP_CAPTURE_CFG_REG] = 0x10, + [ICSS_IEP_CAPTURE_STAT_REG] = 0x14, + + [ICSS_IEP_CAP6_RISE_REG0] = 0x30, + + [ICSS_IEP_CAP7_RISE_REG0] = 0x38, + + [ICSS_IEP_CMP_CFG_REG] = 0x40, + [ICSS_IEP_CMP_STAT_REG] = 0x44, + [ICSS_IEP_CMP0_REG0] = 0x48, + + [ICSS_IEP_CMP8_REG0] = 0x88, + [ICSS_IEP_SYNC_CTRL_REG] = 0x100, + [ICSS_IEP_SYNC0_STAT_REG] = 0x108, + [ICSS_IEP_SYNC1_STAT_REG] = 0x10C, + [ICSS_IEP_SYNC_PWIDTH_REG] = 0x110, + [ICSS_IEP_SYNC0_PERIOD_REG] = 0x114, + [ICSS_IEP_SYNC1_DELAY_REG] = 0x118, + [ICSS_IEP_SYNC_START_REG] = 0x11C, + }, + .config = &am335x_icss_iep_regmap_config, +}; + static const struct of_device_id icss_iep_of_match[] = { { .compatible = "ti,am654-icss-iep", @@ -1015,6 +1068,14 @@ static const struct of_device_id icss_iep_of_match[] = { .compatible = "ti,am5728-icss-iep", .data = &am57xx_icss_iep_plat_data, }, + { + .compatible = "ti,am3356-icss-iep", + .data = &am335x_icss_iep_plat_data, + }, + { + .compatible = "ti,am4376-icss-iep", + .data = &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/ethernet/ti/icssm/icssm_prueth.c index 299bfd35077e..67ee4c72d3d6 100644 --- a/drivers/net/ethernet/ti/icssm/icssm_prueth.c +++ b/drivers/net/ethernet/ti/icssm/icssm_prueth.c @@ -2138,6 +2138,10 @@ static int icssm_prueth_probe(struct platform_device *pdev) } prueth->ocmc_ram_size = OCMC_RAM_SIZE; + /* Decreased by 8KB to address the reserved region for AM33x */ + if (prueth->fw_data->driver_data == PRUSS_AM33XX) + prueth->ocmc_ram_size = (SZ_64K - SZ_8K); + prueth->mem[PRUETH_MEM_OCMC].va = (void __iomem *)gen_pool_alloc(prueth->sram_pool, prueth->ocmc_ram_size); @@ -2381,6 +2385,32 @@ static const struct dev_pm_ops prueth_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(icssm_prueth_suspend, icssm_prueth_resume) }; +/* AM335x SoC-specific firmware data */ +static struct prueth_private_data am335x_prueth_pdata = { + .driver_data = PRUSS_AM33XX, + .fw_pru[PRUSS_PRU0] = { + .fw_name[PRUSS_ETHTYPE_EMAC] = + "ti-pruss/am335x-pru0-prueth-fw.elf", + }, + .fw_pru[PRUSS_PRU1] = { + .fw_name[PRUSS_ETHTYPE_EMAC] = + "ti-pruss/am335x-pru1-prueth-fw.elf", + }, +}; + +/* AM437x SoC-specific firmware data */ +static struct prueth_private_data am437x_prueth_pdata = { + .driver_data = PRUSS_AM43XX, + .fw_pru[PRUSS_PRU0] = { + .fw_name[PRUSS_ETHTYPE_EMAC] = + "ti-pruss/am437x-pru0-prueth-fw.elf", + }, + .fw_pru[PRUSS_PRU1] = { + .fw_name[PRUSS_ETHTYPE_EMAC] = + "ti-pruss/am437x-pru1-prueth-fw.elf", + }, +}; + /* AM57xx SoC-specific firmware data */ static struct prueth_private_data am57xx_prueth_pdata = { .driver_data = PRUSS_AM57XX, @@ -2396,6 +2426,8 @@ static struct prueth_private_data am57xx_prueth_pdata = { static const struct of_device_id prueth_dt_match[] = { { .compatible = "ti,am57-prueth", .data = &am57xx_prueth_pdata, }, + { .compatible = "ti,am4376-prueth", .data = &am437x_prueth_pdata, }, + { .compatible = "ti,am3359-prueth", .data = &am335x_prueth_pdata, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, prueth_dt_match); -- 2.34.1