| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2015-2016 Marvell International Ltd. |
| */ |
| |
| #ifndef _COMPHY_CORE_H_ |
| #define _COMPHY_CORE_H_ |
| |
| #include <fdtdec.h> |
| #include <mvebu/comphy.h> |
| |
| #if defined(DEBUG) |
| #define debug_enter() printf("----> Enter %s\n", __func__); |
| #define debug_exit() printf("<---- Exit %s\n", __func__); |
| #else |
| #define debug_enter() |
| #define debug_exit() |
| #endif |
| |
| #define MAX_LANE_OPTIONS 10 |
| #define MAX_UTMI_PHY_COUNT 6 |
| |
| struct comphy_mux_options { |
| u32 type; |
| u32 mux_value; |
| }; |
| |
| struct comphy_mux_data { |
| u32 max_lane_values; |
| struct comphy_mux_options mux_values[MAX_LANE_OPTIONS]; |
| }; |
| |
| struct chip_serdes_phy_config { |
| struct comphy_mux_data *mux_data; |
| int (*ptr_comphy_chip_init)(struct chip_serdes_phy_config *, |
| struct comphy_map *); |
| int (*rx_training)(struct chip_serdes_phy_config *, u32); |
| void __iomem *comphy_base_addr; |
| void __iomem *hpipe3_base_addr; |
| u32 comphy_lanes_count; |
| u32 comphy_mux_bitcount; |
| const fdt32_t *comphy_mux_lane_order; |
| u32 cp_index; |
| struct comphy_map comphy_map_data[MAX_LANE_OPTIONS]; |
| }; |
| |
| /* Register helper functions */ |
| static inline void reg_set_silent(void __iomem *addr, u32 data, u32 mask) |
| { |
| u32 reg_data; |
| |
| reg_data = readl(addr); |
| reg_data &= ~mask; |
| reg_data |= data; |
| writel(reg_data, addr); |
| } |
| |
| static inline void reg_set(void __iomem *addr, u32 data, u32 mask) |
| { |
| debug("Write to address = %#010lx, data = %#010x (mask = %#010x) - ", |
| (unsigned long)addr, data, mask); |
| debug("old value = %#010x ==> ", readl(addr)); |
| reg_set_silent(addr, data, mask); |
| debug("new value %#010x\n", readl(addr)); |
| } |
| |
| static inline void reg_set_silent16(void __iomem *addr, u16 data, u16 mask) |
| { |
| u16 reg_data; |
| |
| reg_data = readw(addr); |
| reg_data &= ~mask; |
| reg_data |= data; |
| writew(reg_data, addr); |
| } |
| |
| static inline void reg_set16(void __iomem *addr, u16 data, u16 mask) |
| { |
| debug("Write to address = %#010lx, data = %#06x (mask = %#06x) - ", |
| (unsigned long)addr, data, mask); |
| debug("old value = %#06x ==> ", readw(addr)); |
| reg_set_silent16(addr, data, mask); |
| debug("new value %#06x\n", readw(addr)); |
| } |
| |
| /* SoC specific init functions */ |
| #ifdef CONFIG_ARMADA_3700 |
| int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *serdes_map); |
| #else |
| static inline int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *serdes_map) |
| { |
| /* |
| * This function should never be called in this configuration, so |
| * lets return an error here. |
| */ |
| return -1; |
| } |
| #endif |
| |
| #ifdef CONFIG_ARMADA_8K |
| int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *serdes_map); |
| int comphy_cp110_sfi_rx_training(struct chip_serdes_phy_config *ptr_chip_cfg, |
| u32 lane); |
| #else |
| static inline int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *serdes_map) |
| { |
| /* |
| * This function should never be called in this configuration, so |
| * lets return an error here. |
| */ |
| return -1; |
| } |
| |
| static inline int comphy_cp110_sfi_rx_training( |
| struct chip_serdes_phy_config *ptr_chip_cfg, |
| u32 lane) |
| { |
| /* |
| * This function should never be called in this configuration, so |
| * lets return an error here. |
| */ |
| return -1; |
| } |
| #endif |
| |
| void comphy_dedicated_phys_init(void); |
| |
| /* MUX function */ |
| void comphy_mux_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *comphy_map_data, |
| void __iomem *selector_base); |
| |
| void comphy_pcie_config_set(u32 comphy_max_count, |
| struct comphy_map *serdes_map); |
| void comphy_pcie_config_detect(u32 comphy_max_count, |
| struct comphy_map *serdes_map); |
| void comphy_pcie_unit_general_config(u32 pex_index); |
| |
| #endif /* _COMPHY_CORE_H_ */ |
| |