| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) Marvell International Ltd. and its affiliates |
| */ |
| |
| #ifndef _CTRL_PEX_H |
| #define _CTRL_PEX_H |
| |
| #include "high_speed_env_spec.h" |
| |
| /* Sample at Reset */ |
| #define MPP_SAMPLE_AT_RESET(id) (0xe4200 + (id * 4)) |
| |
| /* PCI Express Control and Status Registers */ |
| #define MAX_PEX_BUSSES 256 |
| |
| #define MISC_REGS_OFFSET 0x18200 |
| #define MV_MISC_REGS_BASE MISC_REGS_OFFSET |
| #define SOC_CTRL_REG (MV_MISC_REGS_BASE + 0x4) |
| |
| #define PEX_IF_REGS_OFFSET(if) ((if) > 0 ? \ |
| (0x40000 + ((if) - 1) * 0x4000) : \ |
| 0x80000) |
| #define PEX_IF_REGS_BASE(if) (PEX_IF_REGS_OFFSET(if)) |
| #define PEX_CAPABILITIES_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x60) |
| #define PEX_LINK_CTRL_STATUS2_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x90) |
| #define PEX_CTRL_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x1a00) |
| #define PEX_STATUS_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x1a04) |
| #define PEX_DBG_STATUS_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x1a64) |
| #define PEX_LINK_CAPABILITY_REG 0x6c |
| #define PEX_LINK_CTRL_STAT_REG 0x70 |
| #define PXSR_PEX_DEV_NUM_OFFS 16 /* Device Number Indication */ |
| #define PXSR_PEX_DEV_NUM_MASK (0x1f << PXSR_PEX_DEV_NUM_OFFS) |
| #define PXSR_PEX_BUS_NUM_OFFS 8 /* Bus Number Indication */ |
| #define PXSR_PEX_BUS_NUM_MASK (0xff << PXSR_PEX_BUS_NUM_OFFS) |
| |
| /* PEX_CAPABILITIES_REG fields */ |
| #define PCIE0_ENABLE_OFFS 0 |
| #define PCIE0_ENABLE_MASK (0x1 << PCIE0_ENABLE_OFFS) |
| #define PCIE1_ENABLE_OFFS 1 |
| #define PCIE1_ENABLE_MASK (0x1 << PCIE1_ENABLE_OFFS) |
| #define PCIE2_ENABLE_OFFS 2 |
| #define PCIE2_ENABLE_MASK (0x1 << PCIE2_ENABLE_OFFS) |
| #define PCIE3_ENABLE_OFFS 3 |
| #define PCIE4_ENABLE_MASK (0x1 << PCIE3_ENABLE_OFFS) |
| |
| /* Controller revision info */ |
| #define PEX_DEVICE_AND_VENDOR_ID 0x000 |
| |
| /* PCI Express Configuration Address Register */ |
| #define PXCAR_REG_NUM_OFFS 2 |
| #define PXCAR_REG_NUM_MAX 0x3f |
| #define PXCAR_REG_NUM_MASK (PXCAR_REG_NUM_MAX << \ |
| PXCAR_REG_NUM_OFFS) |
| #define PXCAR_FUNC_NUM_OFFS 8 |
| #define PXCAR_FUNC_NUM_MAX 0x7 |
| #define PXCAR_FUNC_NUM_MASK (PXCAR_FUNC_NUM_MAX << \ |
| PXCAR_FUNC_NUM_OFFS) |
| #define PXCAR_DEVICE_NUM_OFFS 11 |
| #define PXCAR_DEVICE_NUM_MAX 0x1f |
| #define PXCAR_DEVICE_NUM_MASK (PXCAR_DEVICE_NUM_MAX << \ |
| PXCAR_DEVICE_NUM_OFFS) |
| #define PXCAR_BUS_NUM_OFFS 16 |
| #define PXCAR_BUS_NUM_MAX 0xff |
| #define PXCAR_BUS_NUM_MASK (PXCAR_BUS_NUM_MAX << \ |
| PXCAR_BUS_NUM_OFFS) |
| #define PXCAR_EXT_REG_NUM_OFFS 24 |
| #define PXCAR_EXT_REG_NUM_MAX 0xf |
| |
| #define PEX_CFG_ADDR_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x18f8) |
| #define PEX_CFG_DATA_REG(if) ((PEX_IF_REGS_BASE(if)) + 0x18fc) |
| |
| #define PXCAR_REAL_EXT_REG_NUM_OFFS 8 |
| #define PXCAR_REAL_EXT_REG_NUM_MASK (0xf << PXCAR_REAL_EXT_REG_NUM_OFFS) |
| |
| #define PXCAR_CONFIG_EN BIT(31) |
| #define PEX_STATUS_AND_COMMAND 0x004 |
| #define PXSAC_MABORT BIT(29) /* Recieved Master Abort */ |
| |
| int hws_pex_config(const struct serdes_map *serdes_map, u8 count); |
| int pex_local_bus_num_set(u32 pex_if, u32 bus_num); |
| int pex_local_dev_num_set(u32 pex_if, u32 dev_num); |
| u32 pex_config_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 reg_off); |
| |
| void board_pex_config(void); |
| |
| #endif |
