1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2015-2016 Marvell International Ltd.
9 #include <dt-bindings/comphy/comphy_data.h>
13 #define debug_enter() printf("----> Enter %s\n", __func__);
14 #define debug_exit() printf("<---- Exit %s\n", __func__);
20 /* COMPHY registers */
21 #define COMMON_PHY_CFG1_REG 0x0
22 #define COMMON_PHY_CFG1_PWR_UP_OFFSET 1
23 #define COMMON_PHY_CFG1_PWR_UP_MASK \
24 (0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET)
25 #define COMMON_PHY_CFG1_PIPE_SELECT_OFFSET 2
26 #define COMMON_PHY_CFG1_PIPE_SELECT_MASK \
27 (0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET)
28 #define COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET 13
29 #define COMMON_PHY_CFG1_PWR_ON_RESET_MASK \
30 (0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET)
31 #define COMMON_PHY_CFG1_CORE_RSTN_OFFSET 14
32 #define COMMON_PHY_CFG1_CORE_RSTN_MASK \
33 (0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET)
34 #define COMMON_PHY_PHY_MODE_OFFSET 15
35 #define COMMON_PHY_PHY_MODE_MASK \
36 (0x1 << COMMON_PHY_PHY_MODE_OFFSET)
38 #define COMMON_PHY_CFG6_REG 0x14
39 #define COMMON_PHY_CFG6_IF_40_SEL_OFFSET 18
40 #define COMMON_PHY_CFG6_IF_40_SEL_MASK \
41 (0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET)
43 #define COMMON_SELECTOR_PHY_OFFSET 0x140
44 #define COMMON_SELECTOR_PIPE_OFFSET 0x144
46 #define COMMON_PHY_SD_CTRL1 0x148
47 #define COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET 0
48 #define COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK 0xFFFF
49 #define COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET 24
50 #define COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK \
51 (0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET)
52 #define COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET 25
53 #define COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK \
54 (0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET)
55 #define COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET 26
56 #define COMMON_PHY_SD_CTRL1_RXAUI1_MASK \
57 (0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET)
58 #define COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET 27
59 #define COMMON_PHY_SD_CTRL1_RXAUI0_MASK \
60 (0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET)
62 /* ToDo: Get this address via DT */
63 #define MVEBU_CP0_REGS_BASE 0xF2000000UL
65 #define DFX_DEV_GEN_CTRL12 (MVEBU_CP0_REGS_BASE + 0x400280)
66 #define DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET 7
67 #define DFX_DEV_GEN_PCIE_CLK_SRC_MASK \
68 (0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET)
70 #define MAX_LANE_OPTIONS 10
71 #define MAX_UTMI_PHY_COUNT 3
73 struct comphy_mux_options {
78 struct comphy_mux_data {
80 struct comphy_mux_options mux_values[MAX_LANE_OPTIONS];
91 struct chip_serdes_phy_config {
92 struct comphy_mux_data *mux_data;
93 int (*ptr_comphy_chip_init)(struct chip_serdes_phy_config *,
95 void __iomem *comphy_base_addr;
96 void __iomem *hpipe3_base_addr;
97 u32 comphy_lanes_count;
98 u32 comphy_mux_bitcount;
99 const fdt32_t *comphy_mux_lane_order;
103 /* Register helper functions */
104 static inline void reg_set_silent(void __iomem *addr, u32 data, u32 mask)
108 reg_data = readl(addr);
111 writel(reg_data, addr);
114 static inline void reg_set(void __iomem *addr, u32 data, u32 mask)
116 debug("Write to address = %#010lx, data = %#010x (mask = %#010x) - ",
117 (unsigned long)addr, data, mask);
118 debug("old value = %#010x ==> ", readl(addr));
119 reg_set_silent(addr, data, mask);
120 debug("new value %#010x\n", readl(addr));
123 static inline void reg_set_silent16(void __iomem *addr, u16 data, u16 mask)
127 reg_data = readw(addr);
130 writew(reg_data, addr);
133 static inline void reg_set16(void __iomem *addr, u16 data, u16 mask)
135 debug("Write to address = %#010lx, data = %#06x (mask = %#06x) - ",
136 (unsigned long)addr, data, mask);
137 debug("old value = %#06x ==> ", readw(addr));
138 reg_set_silent16(addr, data, mask);
139 debug("new value %#06x\n", readw(addr));
142 /* SoC specific init functions */
143 #ifdef CONFIG_ARMADA_3700
144 int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg,
145 struct comphy_map *serdes_map);
147 static inline int comphy_a3700_init(struct chip_serdes_phy_config *ptr_chip_cfg,
148 struct comphy_map *serdes_map)
151 * This function should never be called in this configuration, so
152 * lets return an error here.
158 #ifdef CONFIG_ARMADA_8K
159 int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
160 struct comphy_map *serdes_map);
162 static inline int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
163 struct comphy_map *serdes_map)
166 * This function should never be called in this configuration, so
167 * lets return an error here.
173 void comphy_dedicated_phys_init(void);
176 void comphy_mux_init(struct chip_serdes_phy_config *ptr_chip_cfg,
177 struct comphy_map *comphy_map_data,
178 void __iomem *selector_base);
180 void comphy_pcie_config_set(u32 comphy_max_count,
181 struct comphy_map *serdes_map);
182 void comphy_pcie_config_detect(u32 comphy_max_count,
183 struct comphy_map *serdes_map);
184 void comphy_pcie_unit_general_config(u32 pex_index);
186 #endif /* _COMPHY_H_ */