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