From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgau1.qq.com (smtpbgau1.qq.com [54.206.16.166]) (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 ED1042EA742; Tue, 12 Aug 2025 09:41:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.206.16.166 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754991677; cv=none; b=Bu9uG0necHj/Cmq14dPIlJJvc+BFhfpCEVoxAfIYk2OBmseXx7MW8Uz+Fd+OGUu/+AGt3lqtrE30q7oTRFBFBinbgy8UkAR1uG6is5kEPDY9DwmEVHDX1Qi7waQc+0p8m6Ir182qBqiGdR5X72v5D9mw84w/igmi0N+HAHXkgiU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754991677; c=relaxed/simple; bh=x+8JQIzs39c/sl0WNNc79kf1WiWYD2N9yzAZgzCUBLY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rFVE4AdP0Hx09RQQZD8qCpOxvQk06jYTVNEQjcnKWazcGqmq9izgRnmAsdVQK5u1w1UINjcP1vB7hE/naMBsKnAuI1l6WA4fQv1p6WLM6chg+qH5olRFtwjrzebCdsIiG1o/Z/6MPLyxJVYJQA8Llj/625M9c0Zw3PdtO5PAy78= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mucse.com; spf=pass smtp.mailfrom=mucse.com; arc=none smtp.client-ip=54.206.16.166 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mucse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mucse.com X-QQ-mid: zesmtpgz7t1754991605t738a8eb6 X-QQ-Originating-IP: msc+yomllWiNlgpE+l6ZmFuuhrRy1sy/yl0PJf+aS14= Received: from localhost.localdomain ( [203.174.112.180]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 12 Aug 2025 17:40:02 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 750351070740526713 EX-QQ-RecipientCnt: 23 From: Dong Yibo To: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, corbet@lwn.net, gur.stavi@huawei.com, maddy@linux.ibm.com, mpe@ellerman.id.au, danishanwar@ti.com, lee@trager.us, gongfan1@huawei.com, lorenzo@kernel.org, geert+renesas@glider.be, Parthiban.Veerasooran@microchip.com, lukas.bulwahn@redhat.com, alexanderduyck@fb.com, richardcochran@gmail.com Cc: netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dong100@mucse.com Subject: [PATCH v3 2/5] net: rnpgbe: Add n500/n210 chip support Date: Tue, 12 Aug 2025 17:39:34 +0800 Message-Id: <20250812093937.882045-3-dong100@mucse.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250812093937.882045-1-dong100@mucse.com> References: <20250812093937.882045-1-dong100@mucse.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:mucse.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: Odky5wNUcHo/oezA3GJ4WU9M+r3Q+LdBKRLfg2YABl1XiIVqNqmR0H1Q fc8Coc4DNOc2ZGQ6GROK6m8bbUyUn7xDTOmiyFDOje20uYZ7/E8hUoVhLdpniv7YGip3vkJ 4aVnL+BOfF+caaMuKu7DYCu8n1HE6vKEsadxNcMEC7WdYGAc2cERa04wuC89snch0x4YjKC qC9Ao64woX2AyNPUFotGns0WBWiSM7lfOBiCIGHAtFgvbw9eKmfX6b0TipYcFSYDBz9KxsZ Ggu3WCn9r6NUgXOtm30EWFeVM54PWRWTTxMp1jLCRB7orddQbepPkXL/SFFl3cCY2QAJOQ/ 5N9lRy9+8wD0vL7hAQbjru+96eG8xZv/f29pRxdF643TkbQe4UexlUC/Mf7GZJuu36hcRBc xoAVqmJh1QIwdG7BMJ0k0VPykeUI7TLvhF6f0xMH3neVq6hdccNGAn3ZhrP0Py99ITKulPL Ld0fF1JYIT9pHBtL/sxKFyY6x6M9n4fjCm7D5Lj5On0akAMTmmBgqeycjQrM+MKJ0pKrF1b cBA5dHaihbz9aGaqyZbMk4I0j+5FaR+hFMDZhclmpB1B+r2ZScGucXgfOC/fwT9Jv57I2Uq 1LLhjDtGzSU0UGeNPqalDknfxazfv3AbahFmg0umH0tss1bqacN7o2bn4lL5On38JxDJ2X6 n0+b/aKLhmIWZ3713ryLVXkmiEiIWAvzjYbQSKc9ikHf9g4UfFXswk5YS33gPVJxDFHcunN /MqscitKMpf6W7TOqeLDx/+b46Gc6LmpRgs4cAreOxXJFnoVud/KU4EDermnDSKckt25csQ 2pEZOFBIa9AB9X7YFc9TtU6bkQl1GKqIJSI7a5ENuiisXWVE3TIhEVt5o5RuGiEcWoL1gWA QIG1jdDW+DZvnPI9CQYEIK/AityUq91str8DM6JfBi3mk0xWKJ16V3Q6QtM98pEcN/0oTSm ENYOWybE3M9x6y2pqvsg0HeILueLMUbgSn647bqloFeN/+9LLgAAwFa7ySNbqU8by+dra/+ sfxDaMHzDbdmN3j4AopGzQmXy3Zd5K+X+Qyo01WA== X-QQ-XMRINFO: MSVp+SPm3vtS1Vd6Y4Mggwc= X-QQ-RECHKSPAM: 0 Initialize n500/n210 chip bar resource map and dma, eth, mbx ... info for future use. Signed-off-by: Dong Yibo --- drivers/net/ethernet/mucse/rnpgbe/Makefile | 3 +- drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h | 60 +++++++++ .../net/ethernet/mucse/rnpgbe/rnpgbe_chip.c | 88 ++++++++++++++ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h | 12 ++ .../net/ethernet/mucse/rnpgbe/rnpgbe_main.c | 115 ++++++++++++++++++ 5 files changed, 277 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h diff --git a/drivers/net/ethernet/mucse/rnpgbe/Makefile b/drivers/net/ethernet/mucse/rnpgbe/Makefile index 9df536f0d04c..42c359f459d9 100644 --- a/drivers/net/ethernet/mucse/rnpgbe/Makefile +++ b/drivers/net/ethernet/mucse/rnpgbe/Makefile @@ -5,4 +5,5 @@ # obj-$(CONFIG_MGBE) += rnpgbe.o -rnpgbe-objs := rnpgbe_main.o +rnpgbe-objs := rnpgbe_main.o\ + rnpgbe_chip.o diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h index 23c84454e7c7..0dd3d3cb2a4d 100644 --- a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h @@ -4,18 +4,78 @@ #ifndef _RNPGBE_H #define _RNPGBE_H +#include + +extern const struct rnpgbe_info rnpgbe_n500_info; +extern const struct rnpgbe_info rnpgbe_n210_info; +extern const struct rnpgbe_info rnpgbe_n210L_info; + enum rnpgbe_boards { board_n500, board_n210, board_n210L, }; +enum rnpgbe_hw_type { + rnpgbe_hw_n500 = 0, + rnpgbe_hw_n210, + rnpgbe_hw_n210L, + rnpgbe_hw_unknow +}; + +struct mucse_dma_info { + void __iomem *dma_base_addr; + void __iomem *dma_ring_addr; + void *back; + u32 dma_version; +}; + +struct mucse_eth_info { + void __iomem *eth_base_addr; + void *back; +}; + +struct mucse_mac_info { + void __iomem *mac_addr; + void *back; +}; + +struct mucse_mbx_info { + /* fw <--> pf mbx */ + u32 fw_pf_shm_base; + u32 pf2fw_mbox_ctrl; + u32 pf2fw_mbox_mask; + u32 fw_pf_mbox_mask; + u32 fw2pf_mbox_vec; +}; + +struct mucse_hw { + void *back; + void __iomem *hw_addr; + void __iomem *ring_msix_base; + struct pci_dev *pdev; + enum rnpgbe_hw_type hw_type; + struct mucse_dma_info dma; + struct mucse_eth_info eth; + struct mucse_mac_info mac; + struct mucse_mbx_info mbx; + u32 driver_version; + u16 usecstocount; +}; + struct mucse { struct net_device *netdev; struct pci_dev *pdev; + struct mucse_hw hw; u16 bd_number; }; +struct rnpgbe_info { + int total_queue_pair_cnts; + enum rnpgbe_hw_type hw_type; + void (*init)(struct mucse_hw *hw); +}; + /* Device IDs */ #define PCI_VENDOR_ID_MUCSE 0x8848 #define PCI_DEVICE_ID_N500_QUAD_PORT 0x8308 diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c new file mode 100644 index 000000000000..20ec67c9391e --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2020 - 2025 Mucse Corporation. */ + +#include "rnpgbe.h" +#include "rnpgbe_hw.h" + +/** + * rnpgbe_init_common - Setup common attribute + * @hw: hw information structure + **/ +static void rnpgbe_init_common(struct mucse_hw *hw) +{ + struct mucse_dma_info *dma = &hw->dma; + struct mucse_eth_info *eth = &hw->eth; + struct mucse_mac_info *mac = &hw->mac; + + dma->dma_base_addr = hw->hw_addr; + dma->dma_ring_addr = hw->hw_addr + RNPGBE_RING_BASE; + dma->back = hw; + + eth->eth_base_addr = hw->hw_addr + RNPGBE_ETH_BASE; + eth->back = hw; + + mac->mac_addr = hw->hw_addr + RNPGBE_MAC_BASE; + mac->back = hw; +} + +/** + * rnpgbe_init_n500 - Setup n500 hw info + * @hw: hw information structure + * + * rnpgbe_init_n500 initializes all private + * structure, such as dma, eth, mac and mbx base on + * hw->addr for n500 + **/ +static void rnpgbe_init_n500(struct mucse_hw *hw) +{ + struct mucse_mbx_info *mbx = &hw->mbx; + + rnpgbe_init_common(hw); + + mbx->fw2pf_mbox_vec = 0x28b00; + mbx->fw_pf_shm_base = 0x2d000; + mbx->pf2fw_mbox_ctrl = 0x2e000; + mbx->fw_pf_mbox_mask = 0x2e200; + hw->ring_msix_base = hw->hw_addr + 0x28700; + hw->usecstocount = 125; +} + +/** + * rnpgbe_init_n210 - Setup n210 hw info + * @hw: hw information structure + * + * rnpgbe_init_n210 initializes all private + * structure, such as dma, eth, mac and mbx base on + * hw->addr for n210 + **/ +static void rnpgbe_init_n210(struct mucse_hw *hw) +{ + struct mucse_mbx_info *mbx = &hw->mbx; + + rnpgbe_init_common(hw); + + mbx->fw2pf_mbox_vec = 0x29400; + mbx->fw_pf_shm_base = 0x2d900; + mbx->pf2fw_mbox_ctrl = 0x2e900; + mbx->fw_pf_mbox_mask = 0x2eb00; + hw->ring_msix_base = hw->hw_addr + 0x29000; + hw->usecstocount = 62; +} + +const struct rnpgbe_info rnpgbe_n500_info = { + .total_queue_pair_cnts = RNPGBE_MAX_QUEUES, + .hw_type = rnpgbe_hw_n500, + .init = &rnpgbe_init_n500, +}; + +const struct rnpgbe_info rnpgbe_n210_info = { + .total_queue_pair_cnts = RNPGBE_MAX_QUEUES, + .hw_type = rnpgbe_hw_n210, + .init = &rnpgbe_init_n210, +}; + +const struct rnpgbe_info rnpgbe_n210L_info = { + .total_queue_pair_cnts = RNPGBE_MAX_QUEUES, + .hw_type = rnpgbe_hw_n210L, + .init = &rnpgbe_init_n210, +}; diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h new file mode 100644 index 000000000000..fc57258537cf --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2020 - 2025 Mucse Corporation. */ + +#ifndef _RNPGBE_HW_H +#define _RNPGBE_HW_H + +#define RNPGBE_RING_BASE 0x1000 +#define RNPGBE_MAC_BASE 0x20000 +#define RNPGBE_ETH_BASE 0x10000 +/**************** CHIP Resource ****************************/ +#define RNPGBE_MAX_QUEUES 8 +#endif /* _RNPGBE_HW_H */ diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c index c2e099bd2639..c151995309f8 100644 --- a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c @@ -4,10 +4,17 @@ #include #include #include +#include +#include #include "rnpgbe.h" static const char rnpgbe_driver_name[] = "rnpgbe"; +static const struct rnpgbe_info *rnpgbe_info_tbl[] = { + [board_n500] = &rnpgbe_n500_info, + [board_n210] = &rnpgbe_n210_info, + [board_n210L] = &rnpgbe_n210L_info, +}; /* rnpgbe_pci_tbl - PCI Device ID Table * @@ -27,6 +34,85 @@ static struct pci_device_id rnpgbe_pci_tbl[] = { {0, }, }; +/** + * rnpgbe_add_adapter - Add netdev for this pci_dev + * @pdev: PCI device information structure + * @info: chip info structure + * + * rnpgbe_add_adapter initializes a netdev for this pci_dev + * structure. Initializes Bar map, private structure, and a + * hardware reset occur. + * + * @return: 0 on success, negative on failure + **/ +static int rnpgbe_add_adapter(struct pci_dev *pdev, + const struct rnpgbe_info *info) +{ + struct net_device *netdev; + void __iomem *hw_addr; + static int bd_number; + struct mucse *mucse; + struct mucse_hw *hw; + u32 dma_version = 0; + u32 queues; + int err; + + queues = info->total_queue_pair_cnts; + netdev = alloc_etherdev_mq(sizeof(struct mucse), queues); + if (!netdev) + return -ENOMEM; + + SET_NETDEV_DEV(netdev, &pdev->dev); + mucse = netdev_priv(netdev); + mucse->netdev = netdev; + mucse->pdev = pdev; + mucse->bd_number = bd_number++; + pci_set_drvdata(pdev, mucse); + + hw = &mucse->hw; + hw->back = mucse; + hw->hw_type = info->hw_type; + hw->pdev = pdev; + + switch (hw->hw_type) { + case rnpgbe_hw_n500: + hw_addr = devm_ioremap(&pdev->dev, + pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); + if (!hw_addr) { + err = -EIO; + goto err_free_net; + } + + dma_version = readl(hw_addr); + break; + case rnpgbe_hw_n210: + case rnpgbe_hw_n210L: + hw_addr = devm_ioremap(&pdev->dev, + pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); + if (!hw_addr) { + err = -EIO; + goto err_free_net; + } + + dma_version = readl(hw_addr); + break; + default: + err = -EIO; + goto err_free_net; + } + hw->hw_addr = hw_addr; + hw->dma.dma_version = dma_version; + hw->driver_version = 0x0002040f; + info->init(hw); + return 0; + +err_free_net: + free_netdev(netdev); + return err; +} + /** * rnpgbe_probe - Device initialization routine * @pdev: PCI device information struct @@ -39,6 +125,7 @@ static struct pci_device_id rnpgbe_pci_tbl[] = { **/ static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id) { + const struct rnpgbe_info *info = rnpgbe_info_tbl[id->driver_data]; int err; err = pci_enable_device_mem(pdev); @@ -61,14 +148,37 @@ static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); pci_save_state(pdev); + err = rnpgbe_add_adapter(pdev, info); + if (err) + goto err_regions; return 0; +err_regions: + pci_release_mem_regions(pdev); err_dma: err_pci_req: pci_disable_device(pdev); return err; } +/** + * rnpgbe_rm_adapter - Remove netdev for this mucse structure + * @pdev: PCI device information struct + * + * rnpgbe_rm_adapter remove a netdev for this mucse structure + **/ +static void rnpgbe_rm_adapter(struct pci_dev *pdev) +{ + struct mucse *mucse = pci_get_drvdata(pdev); + struct net_device *netdev; + + if (!mucse) + return; + netdev = mucse->netdev; + mucse->netdev = NULL; + free_netdev(netdev); +} + /** * rnpgbe_remove - Device removal routine * @pdev: PCI device information struct @@ -80,6 +190,7 @@ static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id) **/ static void rnpgbe_remove(struct pci_dev *pdev) { + rnpgbe_rm_adapter(pdev); pci_release_mem_regions(pdev); pci_disable_device(pdev); } @@ -92,7 +203,11 @@ static void rnpgbe_remove(struct pci_dev *pdev) static void rnpgbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake) { + struct mucse *mucse = pci_get_drvdata(pdev); + struct net_device *netdev = mucse->netdev; + *enable_wake = false; + netif_device_detach(netdev); pci_disable_device(pdev); } -- 2.25.1