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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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428ca8a706
The scratch register addresses have been changed for newer chips. Since the old chip was never shipped and it will not be supported any more, just update register addresses to support the new chips. Cc: <stable@vger.kernel.org> # 3.2.y, 3.3.y Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
/* @file mwifiex_pcie.h
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*
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* @brief This file contains definitions for PCI-E interface.
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* driver.
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#ifndef _MWIFIEX_PCIE_H
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#define _MWIFIEX_PCIE_H
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#include <linux/pci.h>
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#include <linux/pcieport_if.h>
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#include <linux/interrupt.h>
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#include "main.h"
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#define PCIE8766_DEFAULT_FW_NAME "mrvl/pcie8766_uapsta.bin"
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/* Constants for Buffer Descriptor (BD) rings */
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#define MWIFIEX_MAX_TXRX_BD 0x20
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#define MWIFIEX_TXBD_MASK 0x3F
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#define MWIFIEX_RXBD_MASK 0x3F
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#define MWIFIEX_MAX_EVT_BD 0x04
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#define MWIFIEX_EVTBD_MASK 0x07
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/* PCIE INTERNAL REGISTERS */
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#define PCIE_SCRATCH_0_REG 0xC10
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#define PCIE_SCRATCH_1_REG 0xC14
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#define PCIE_CPU_INT_EVENT 0xC18
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#define PCIE_CPU_INT_STATUS 0xC1C
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#define PCIE_HOST_INT_STATUS 0xC30
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#define PCIE_HOST_INT_MASK 0xC34
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#define PCIE_HOST_INT_STATUS_MASK 0xC3C
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#define PCIE_SCRATCH_2_REG 0xC40
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#define PCIE_SCRATCH_3_REG 0xC44
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#define PCIE_SCRATCH_4_REG 0xCD0
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#define PCIE_SCRATCH_5_REG 0xCD4
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#define PCIE_SCRATCH_6_REG 0xCD8
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#define PCIE_SCRATCH_7_REG 0xCDC
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#define PCIE_SCRATCH_8_REG 0xCE0
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#define PCIE_SCRATCH_9_REG 0xCE4
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#define PCIE_SCRATCH_10_REG 0xCE8
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#define PCIE_SCRATCH_11_REG 0xCEC
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#define PCIE_SCRATCH_12_REG 0xCF0
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#define CPU_INTR_DNLD_RDY BIT(0)
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#define CPU_INTR_DOOR_BELL BIT(1)
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#define CPU_INTR_SLEEP_CFM_DONE BIT(2)
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#define CPU_INTR_RESET BIT(3)
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#define HOST_INTR_DNLD_DONE BIT(0)
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#define HOST_INTR_UPLD_RDY BIT(1)
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#define HOST_INTR_CMD_DONE BIT(2)
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#define HOST_INTR_EVENT_RDY BIT(3)
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#define HOST_INTR_MASK (HOST_INTR_DNLD_DONE | \
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HOST_INTR_UPLD_RDY | \
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HOST_INTR_CMD_DONE | \
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HOST_INTR_EVENT_RDY)
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#define MWIFIEX_BD_FLAG_ROLLOVER_IND BIT(7)
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#define MWIFIEX_BD_FLAG_FIRST_DESC BIT(0)
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#define MWIFIEX_BD_FLAG_LAST_DESC BIT(1)
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#define REG_CMD_ADDR_LO PCIE_SCRATCH_0_REG
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#define REG_CMD_ADDR_HI PCIE_SCRATCH_1_REG
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#define REG_CMD_SIZE PCIE_SCRATCH_2_REG
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#define REG_CMDRSP_ADDR_LO PCIE_SCRATCH_4_REG
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#define REG_CMDRSP_ADDR_HI PCIE_SCRATCH_5_REG
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/* TX buffer description read pointer */
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#define REG_TXBD_RDPTR PCIE_SCRATCH_6_REG
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/* TX buffer description write pointer */
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#define REG_TXBD_WRPTR PCIE_SCRATCH_7_REG
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/* RX buffer description read pointer */
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#define REG_RXBD_RDPTR PCIE_SCRATCH_8_REG
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/* RX buffer description write pointer */
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#define REG_RXBD_WRPTR PCIE_SCRATCH_9_REG
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/* Event buffer description read pointer */
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#define REG_EVTBD_RDPTR PCIE_SCRATCH_10_REG
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/* Event buffer description write pointer */
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#define REG_EVTBD_WRPTR PCIE_SCRATCH_11_REG
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/* Driver ready signature write pointer */
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#define REG_DRV_READY PCIE_SCRATCH_12_REG
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/* Max retry number of command write */
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#define MAX_WRITE_IOMEM_RETRY 2
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/* Define PCIE block size for firmware download */
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#define MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD 256
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/* FW awake cookie after FW ready */
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#define FW_AWAKE_COOKIE (0xAA55AA55)
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struct mwifiex_pcie_buf_desc {
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u64 paddr;
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u16 len;
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u16 flags;
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} __packed;
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struct pcie_service_card {
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struct pci_dev *dev;
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struct mwifiex_adapter *adapter;
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u32 txbd_wrptr;
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u32 txbd_rdptr;
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u32 txbd_ring_size;
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u8 *txbd_ring_vbase;
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phys_addr_t txbd_ring_pbase;
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struct mwifiex_pcie_buf_desc *txbd_ring[MWIFIEX_MAX_TXRX_BD];
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struct sk_buff *tx_buf_list[MWIFIEX_MAX_TXRX_BD];
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u32 rxbd_wrptr;
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u32 rxbd_rdptr;
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u32 rxbd_ring_size;
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u8 *rxbd_ring_vbase;
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phys_addr_t rxbd_ring_pbase;
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struct mwifiex_pcie_buf_desc *rxbd_ring[MWIFIEX_MAX_TXRX_BD];
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struct sk_buff *rx_buf_list[MWIFIEX_MAX_TXRX_BD];
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u32 evtbd_wrptr;
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u32 evtbd_rdptr;
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u32 evtbd_ring_size;
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u8 *evtbd_ring_vbase;
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phys_addr_t evtbd_ring_pbase;
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struct mwifiex_pcie_buf_desc *evtbd_ring[MWIFIEX_MAX_EVT_BD];
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struct sk_buff *evt_buf_list[MWIFIEX_MAX_EVT_BD];
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struct sk_buff *cmd_buf;
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struct sk_buff *cmdrsp_buf;
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struct sk_buff *sleep_cookie;
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void __iomem *pci_mmap;
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void __iomem *pci_mmap1;
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};
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#endif /* _MWIFIEX_PCIE_H */
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