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