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/*
* Copyright (C) 2015-2016 Marvell International Ltd.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _COMPHY_H_
#define _COMPHY_H_
#include <dt-bindings/comphy/comphy_data.h>
#include <fdtdec.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
/* COMPHY registers */
#define COMMON_PHY_CFG1_REG 0x0
#define COMMON_PHY_CFG1_PWR_UP_OFFSET 1
#define COMMON_PHY_CFG1_PWR_UP_MASK \
(0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET)
#define COMMON_PHY_CFG1_PIPE_SELECT_OFFSET 2
#define COMMON_PHY_CFG1_PIPE_SELECT_MASK \
(0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET)
#define COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET 13
#define COMMON_PHY_CFG1_PWR_ON_RESET_MASK \
(0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET)
#define COMMON_PHY_CFG1_CORE_RSTN_OFFSET 14
#define COMMON_PHY_CFG1_CORE_RSTN_MASK \
(0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET)
#define COMMON_PHY_PHY_MODE_OFFSET 15
#define COMMON_PHY_PHY_MODE_MASK \
(0x1 << COMMON_PHY_PHY_MODE_OFFSET)
#define COMMON_PHY_CFG6_REG 0x14
#define COMMON_PHY_CFG6_IF_40_SEL_OFFSET 18
#define COMMON_PHY_CFG6_IF_40_SEL_MASK \
(0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET)
#define COMMON_SELECTOR_PHY_OFFSET 0x140
#define COMMON_SELECTOR_PIPE_OFFSET 0x144
#define COMMON_PHY_SD_CTRL1 0x148
#define COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET 0
#define COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK 0xFFFF
#define COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET 24
#define COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK \
(0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET)
#define COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET 25
#define COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK \
(0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET)
#define COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET 26
#define COMMON_PHY_SD_CTRL1_RXAUI1_MASK \
(0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET)
#define COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET 27
#define COMMON_PHY_SD_CTRL1_RXAUI0_MASK \
(0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET)
/* ToDo: Get this address via DT */
#define MVEBU_CP0_REGS_BASE 0xF2000000UL
#define DFX_DEV_GEN_CTRL12 (MVEBU_CP0_REGS_BASE + 0x400280)
#define DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET 7
#define DFX_DEV_GEN_PCIE_CLK_SRC_MASK \
(0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET)
#define MAX_LANE_OPTIONS 10
#define MAX_UTMI_PHY_COUNT 3
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 comphy_map {
u32 type;
u32 speed;
u32 invert;
bool clk_src;
};
struct chip_serdes_phy_config {
struct comphy_mux_data *mux_data;
int (*ptr_comphy_chip_init)(struct chip_serdes_phy_config *,
struct comphy_map *);
void __iomem *comphy_base_addr;
void __iomem *hpipe3_base_addr;
u32 comphy_lanes_count;
u32 comphy_mux_bitcount;
u32 comphy_index;
};
/* Register helper functions */
void reg_set(void __iomem *addr, u32 data, u32 mask);
void reg_set_silent(void __iomem *addr, u32 data, u32 mask);
void reg_set16(void __iomem *addr, u16 data, u16 mask);
void reg_set_silent16(void __iomem *addr, u16 data, u16 mask);
/* 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);
#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;
}
#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_H_ */
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