diff options
Diffstat (limited to 'arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec-38x.c')
| -rw-r--r-- | arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec-38x.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec-38x.c b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec-38x.c new file mode 100644 index 0000000000..5ff8567201 --- /dev/null +++ b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec-38x.c @@ -0,0 +1,158 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <i2c.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> + +#include "high_speed_env_spec.h" +#include "sys_env_lib.h" + +#define SERDES_VERION "2.0" + +u8 selectors_serdes_rev1_map[LAST_SERDES_TYPE][MAX_SERDES_LANES] = { + /* 0 1 2 3 4 5 */ + {0x1, 0x1, NA, NA, NA, NA}, /* PEX0 */ + {NA, 0x2, 0x1, NA, 0x1, NA}, /* PEX1 */ + {NA, NA, 0x2, NA, NA, 0x1}, /* PEX2 */ + {NA, NA, NA, 0x1, NA, NA}, /* PEX3 */ + {0x2, 0x3, NA, NA, NA, NA}, /* SATA0 */ + {NA, NA, 0x3, NA, 0x2, NA}, /* SATA1 */ + {NA, NA, NA, NA, 0x6, 0x2}, /* SATA2 */ + {NA, NA, NA, 0x3, NA, NA}, /* SATA3 */ + {0x3, 0x4, NA, NA, NA, NA}, /* SGMII0 */ + {NA, 0x5, 0x4, NA, 0x3, NA}, /* SGMII1 */ + {NA, NA, NA, 0x4, NA, 0x3}, /* SGMII2 */ + {NA, 0x7, NA, NA, NA, NA}, /* QSGMII */ + {NA, 0x6, NA, NA, 0x4, NA}, /* USB3_HOST0 */ + {NA, NA, NA, 0x5, NA, 0x4}, /* USB3_HOST1 */ + {NA, NA, NA, 0x6, 0x5, 0x5}, /* USB3_DEVICE */ + {0x0, 0x0, 0x0, 0x0, 0x0, 0x0} /* DEFAULT_SERDES */ +}; + +int hws_serdes_seq_init(void) +{ + DEBUG_INIT_FULL_S("\n### serdes_seq_init ###\n"); + + if (hws_serdes_seq_db_init() != MV_OK) { + printf("hws_serdes_seq_init: Error: Serdes initialization fail\n"); + return MV_FAIL; + } + + return MV_OK; +} + +int serdes_power_up_ctrl_ext(u32 serdes_num, int serdes_power_up, + enum serdes_type serdes_type, + enum serdes_speed baud_rate, + enum serdes_mode serdes_mode, + enum ref_clock ref_clock) +{ + return MV_NOT_SUPPORTED; +} + +u32 hws_serdes_silicon_ref_clock_get(void) +{ + DEBUG_INIT_FULL_S("\n### hws_serdes_silicon_ref_clock_get ###\n"); + + return REF_CLOCK_25MHZ; +} + +u32 hws_serdes_get_max_lane(void) +{ + switch (sys_env_device_id_get()) { + case MV_6811: /* A381/A3282: 6811/6821: single/dual cpu */ + return 4; + case MV_6810: + return 5; + case MV_6820: + case MV_6828: + return 6; + default: /* not the right module */ + printf("%s: Device ID Error, using 4 SerDes lanes\n", + __func__); + return 4; + } + return 6; +} + +int hws_is_serdes_active(u8 lane_num) +{ + int ret = 1; + + /* Maximum lane count for A388 (6828) is 6 */ + if (lane_num > 6) + ret = 0; + + /* 4th Lane (#4 on Device 6810 is not Active */ + if (sys_env_device_id_get() == MV_6810 && lane_num == 4) { + printf("%s: Error: Lane#4 on Device 6810 is not Active.\n", + __func__); + return 0; + } + + /* + * 6th Lane (#5) on Device 6810 is Active, even though 6810 + * has only 5 lanes + */ + if (sys_env_device_id_get() == MV_6810 && lane_num == 5) + return 1; + + if (lane_num >= hws_serdes_get_max_lane()) + ret = 0; + + return ret; +} + +int hws_get_ext_base_addr(u32 serdes_num, u32 base_addr, u32 unit_base_offset, + u32 *unit_base_reg, u32 *unit_offset) +{ + *unit_base_reg = base_addr; + *unit_offset = unit_base_offset; + + return MV_OK; +} + +/* + * hws_serdes_get_phy_selector_val + * + * DESCRIPTION: Get the mapping of Serdes Selector values according to the + * Serdes revision number + * INPUT: serdes_num - Serdes number + * serdes_type - Serdes type + * OUTPUT: None + * RETURN: + * Mapping of Serdes Selector values + */ +u32 hws_serdes_get_phy_selector_val(int serdes_num, + enum serdes_type serdes_type) +{ + if (serdes_type >= LAST_SERDES_TYPE) + return 0xff; + + if (hws_ctrl_serdes_rev_get() == MV_SERDES_REV_1_2) { + return selectors_serdes_rev1_map + [serdes_type][serdes_num]; + } else + return selectors_serdes_rev2_map + [serdes_type][serdes_num]; +} + +u32 hws_get_physical_serdes_num(u32 serdes_num) +{ + if ((serdes_num == 4) && (sys_env_device_id_get() == MV_6810)) { + /* + * For 6810, there are 5 Serdes and Serdes Num 4 doesn't + * exist. Instead Serdes Num 5 is connected. + */ + return 5; + } else { + return serdes_num; + } +} |
