From patchwork Wed Apr 3 10:48:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Diogo Ivo X-Patchwork-Id: 13616016 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 D4AC9CD128A for ; Wed, 3 Apr 2024 11:49:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=N7MjuDlVdyAKLkG18OeR2qlUP0pv1j7TSvME5d47SJI=; b=20m5DkYY4Rzm0U rr5SnGhYlei017UuWgJGQ8K5wNyR8odMLoqcpKKXkj8I1I2gGmIuFgIIr5J2UQ54A5/GEMrWilRRX LJj2zpukNg1uC8lK0jjlUAg2HAN7LfH8P1+MJkZHHNwb6Okn24us+scgaC0zaN/5sp2vsSmsvGhhr mF++vU0ZhsK1Kqa5eMGVVz+fNdH2clXlzqhxz2FUlXdoqzAWYbbaRXx3DZs5TIMKYFnEY4473wcmZ pCsYhU8LU9uVHNC/pZYwcnPdfO+XsXwIpYO7llSujGrUpzyba9uOZ13wx/9FSrT32DKnE3llFJOPb eIMb40e/lq1wyr0Dr0Hw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rrz7C-0000000FqFJ-3fsN; Wed, 03 Apr 2024 11:49:14 +0000 Received: from mta-64-228.siemens.flowmailer.net ([185.136.64.228]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rryAY-0000000FcuS-0glZ for linux-arm-kernel@lists.infradead.org; Wed, 03 Apr 2024 10:48:41 +0000 Received: by mta-64-228.siemens.flowmailer.net with ESMTPSA id 20240403104836039749393c6926182e for ; Wed, 03 Apr 2024 12:48:36 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=diogo.ivo@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=Zm0a7QhqbC8luGw3LQKKvbdz7nabXwsMt39AfKyee0E=; b=Tdjhbmzygn9uUsM2enZUCo3+UrBnhAPxX+U1cppUUCSVeki5fK8AGbY08H6uC71c9FaoOW LVU6DDx7XR6UtOSH71fbP+DuergLa3Bb/9X/NyZocwE9BE0cobxaXts89coESG0Y2HoH5dZ8 UbDHp0xMTjVjKqZHZPlIK3H7ojZ7s=; From: Diogo Ivo To: danishanwar@ti.com, rogerq@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew@lunn.ch, dan.carpenter@linaro.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org Cc: Diogo Ivo , jan.kiszka@siemens.com Subject: [PATCH net-next v6 09/10] net: ti: icssg-prueth: Modify common functions for SR1.0 Date: Wed, 3 Apr 2024 11:48:19 +0100 Message-ID: <20240403104821.283832-10-diogo.ivo@siemens.com> In-Reply-To: <20240403104821.283832-1-diogo.ivo@siemens.com> References: <20240403104821.283832-1-diogo.ivo@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-1320519:519-21489:flowmailer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240403_034838_583513_F3397CF9 X-CRM114-Status: GOOD ( 17.44 ) 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 Some parts of the logic differ only slightly between Silicon Revisions. In these cases add the bits that differ to a common function that executes those bits conditionally based on the Silicon Revision. Based on the work of Roger Quadros, Vignesh Raghavendra and Grygorii Strashko in TI's 5.10 SDK [1]. [1]: https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/?h=ti-linux-5.10.y Co-developed-by: Jan Kiszka Signed-off-by: Jan Kiszka Signed-off-by: Diogo Ivo Reviewed-by: Roger Quadros Reviewed-by: MD Danish Anwar --- Changes in v5: - Remove useless budget++ in emac_tx_complete_packets() - Added Reviewed-by tags from Roger and Danish Changes in v4: - Explicitly check for SR1.0 when managing rxmgm channel - Pass is_sr1 = false to prueth_get_cores() from SR2.0 driver drivers/net/ethernet/ti/icssg/icssg_common.c | 45 +++++++++++++++----- drivers/net/ethernet/ti/icssg/icssg_prueth.c | 4 +- drivers/net/ethernet/ti/icssg/icssg_prueth.h | 2 +- 3 files changed, 37 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/ti/icssg/icssg_common.c b/drivers/net/ethernet/ti/icssg/icssg_common.c index 99f27ecc9352..1d62c05b5f7c 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_common.c +++ b/drivers/net/ethernet/ti/icssg/icssg_common.c @@ -152,6 +152,12 @@ int emac_tx_complete_packets(struct prueth_emac *emac, int chn, desc_dma); swdata = cppi5_hdesc_get_swdata(desc_tx); + /* was this command's TX complete? */ + if (emac->is_sr1 && *(swdata) == emac->cmd_data) { + prueth_xmit_free(tx_chn, desc_tx); + continue; + } + skb = *(swdata); prueth_xmit_free(tx_chn, desc_tx); @@ -327,6 +333,7 @@ int prueth_init_rx_chns(struct prueth_emac *emac, struct net_device *ndev = emac->ndev; u32 fdqring_id, hdesc_size; int i, ret = 0, slice; + int flow_id_base; slice = prueth_emac_slice(emac); if (slice < 0) @@ -367,8 +374,14 @@ int prueth_init_rx_chns(struct prueth_emac *emac, goto fail; } - emac->rx_flow_id_base = k3_udma_glue_rx_get_flow_id_base(rx_chn->rx_chn); - netdev_dbg(ndev, "flow id base = %d\n", emac->rx_flow_id_base); + flow_id_base = k3_udma_glue_rx_get_flow_id_base(rx_chn->rx_chn); + if (emac->is_sr1 && !strcmp(name, "rxmgm")) { + emac->rx_mgm_flow_id_base = flow_id_base; + netdev_dbg(ndev, "mgm flow id base = %d\n", flow_id_base); + } else { + emac->rx_flow_id_base = flow_id_base; + netdev_dbg(ndev, "flow id base = %d\n", flow_id_base); + } fdqring_id = K3_RINGACC_RING_ID_ANY; for (i = 0; i < rx_cfg.flow_id_num; i++) { @@ -477,10 +490,14 @@ void emac_rx_timestamp(struct prueth_emac *emac, struct skb_shared_hwtstamps *ssh; u64 ns; - u32 hi_sw = readl(emac->prueth->shram.va + - TIMESYNC_FW_WC_COUNT_HI_SW_OFFSET_OFFSET); - ns = icssg_ts_to_ns(hi_sw, psdata[1], psdata[0], - IEP_DEFAULT_CYCLE_TIME_NS); + if (emac->is_sr1) { + ns = (u64)psdata[1] << 32 | psdata[0]; + } else { + u32 hi_sw = readl(emac->prueth->shram.va + + TIMESYNC_FW_WC_COUNT_HI_SW_OFFSET_OFFSET); + ns = icssg_ts_to_ns(hi_sw, psdata[1], psdata[0], + IEP_DEFAULT_CYCLE_TIME_NS); + } ssh = skb_hwtstamps(skb); memset(ssh, 0, sizeof(*ssh)); @@ -809,7 +826,8 @@ void prueth_emac_stop(struct prueth_emac *emac) } emac->fw_running = 0; - rproc_shutdown(prueth->txpru[slice]); + if (!emac->is_sr1) + rproc_shutdown(prueth->txpru[slice]); rproc_shutdown(prueth->rtu[slice]); rproc_shutdown(prueth->pru[slice]); } @@ -829,8 +847,10 @@ void prueth_cleanup_tx_ts(struct prueth_emac *emac) int emac_napi_rx_poll(struct napi_struct *napi_rx, int budget) { struct prueth_emac *emac = prueth_napi_to_emac(napi_rx); - int rx_flow = PRUETH_RX_FLOW_DATA; - int flow = PRUETH_MAX_RX_FLOWS; + int rx_flow = emac->is_sr1 ? + PRUETH_RX_FLOW_DATA_SR1 : PRUETH_RX_FLOW_DATA; + int flow = emac->is_sr1 ? + PRUETH_MAX_RX_FLOWS_SR1 : PRUETH_MAX_RX_FLOWS; int num_rx = 0; int cur_budget; int ret; @@ -1082,7 +1102,7 @@ void prueth_netdev_exit(struct prueth *prueth, prueth->emac[mac] = NULL; } -int prueth_get_cores(struct prueth *prueth, int slice) +int prueth_get_cores(struct prueth *prueth, int slice, bool is_sr1) { struct device *dev = prueth->dev; enum pruss_pru_id pruss_id; @@ -1096,7 +1116,7 @@ int prueth_get_cores(struct prueth *prueth, int slice) idx = 0; break; case ICSS_SLICE1: - idx = 3; + idx = is_sr1 ? 2 : 3; break; default: return -EINVAL; @@ -1118,6 +1138,9 @@ int prueth_get_cores(struct prueth *prueth, int slice) return dev_err_probe(dev, ret, "unable to get RTU%d\n", slice); } + if (is_sr1) + return 0; + idx++; prueth->txpru[slice] = pru_rproc_get(np, idx, NULL); if (IS_ERR(prueth->txpru[slice])) { diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c index 7d9db9683e18..186b0365c2e5 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c @@ -907,13 +907,13 @@ static int prueth_probe(struct platform_device *pdev) } if (eth0_node) { - ret = prueth_get_cores(prueth, ICSS_SLICE0); + ret = prueth_get_cores(prueth, ICSS_SLICE0, false); if (ret) goto put_cores; } if (eth1_node) { - ret = prueth_get_cores(prueth, ICSS_SLICE1); + ret = prueth_get_cores(prueth, ICSS_SLICE1, false); if (ret) goto put_cores; } diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.h b/drivers/net/ethernet/ti/icssg/icssg_prueth.h index 5441f2c26430..82e38ef5635b 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.h +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.h @@ -354,7 +354,7 @@ int prueth_node_port(struct device_node *eth_node); int prueth_node_mac(struct device_node *eth_node); void prueth_netdev_exit(struct prueth *prueth, struct device_node *eth_node); -int prueth_get_cores(struct prueth *prueth, int slice); +int prueth_get_cores(struct prueth *prueth, int slice, bool is_sr1); void prueth_put_cores(struct prueth *prueth, int slice); /* Revision specific helper */