152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Rockchip UFS Host Controller driver
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*
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* Copyright (C) 2024 Rockchip Electronics Co.Ltd.
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*/
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#define WELL_BOOT_LU_A 0x01
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#define WELL_BOOT_LU_B 0x02
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#define DEFAULT_BOOT_LUN WELL_BOOT_LU_A
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#define DEFAULT_ACTIVE_LUN 0
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#define CONFIGURATION_DESC_V31_LENGTH 0xE6
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#define CONFIGURATION_DESC_V30_LENGTH 0xE2
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#define CONFIGURATION_DESC_V22_LENGTH 0x90
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#define UNIT_DESCS_COUNT 8
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/* Byte swap u16 */
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static inline uint16_t swap_16(uint16_t val)
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{
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return (uint16_t)((val << 8) | (val >> 8)); /* shift 8 */
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}
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/* Byte swap unsigned int */
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static inline uint32_t swap_32(uint32_t val)
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{
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val = ((val << 8) & 0xFF00FF00) | ((val >> 8) & 0xFF00FF); /* shift 8 */
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return (uint32_t)((val << 16) | (val >> 16)); /* shift 16 */
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}
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static inline uint16_t to_bigendian16(uint16_t val)
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{
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#ifdef HOST_BIG_ENDIAN
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return val;
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#else
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return swap_16(val);
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#endif
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}
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static inline uint32_t to_bigendian32(uint32_t val)
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{
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#ifdef HOST_BIG_ENDIAN
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return val;
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#else
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return swap_32(val);
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#endif
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}
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enum attr_id {
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B_BOOT_LUNEN = 0x0,
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B_CURRENT_PM = 0x2,
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B_ACTIV_ICC_LEVEL = 0x3,
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B_OUT_OF_ORDER_DATAEN = 0x4,
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B_BCKGND_OPS_STATUS = 0x5,
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B_PURGE_STATUS = 0x6,
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B_MAX_DATA_IN_SIZE = 0x7,
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B_MAX_DATA_OUT_SIZE = 0x8,
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D_DYN_CAP_NEEDED = 0x9,
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B_REFCLK_FREQ = 0xA,
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B_CONFIG_DESC_LOCK = 0xB,
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B_MAX_NUM_OF_RTT = 0xC,
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W_EXCEPTION_EVENT_CONTROL = 0xD,
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W_EXCEPTION_EVENT_STATUS = 0xE,
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D_SECONDS_PASSED = 0xF,
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W_CONTEXT_CONF = 0x10,
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D_CORR_PRG_BLKNUM = 0x11
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};
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struct ufs_dev_desc_configuration_param {
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uint8_t b_length;
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uint8_t b_descriptor_idn;
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uint8_t b_conf_desc_continue;
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uint8_t b_boot_enable;
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uint8_t b_descr_access_en;
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uint8_t b_init_power_mode;
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uint8_t b_high_priority_lun;
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uint8_t b_secure_removal_type;
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uint8_t b_init_active_icc_level;
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uint16_t w_periodic_rtc_update;
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uint8_t reserved[5]; /* 5 reserved, 11 in ufs3.1 */
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uint8_t b_write_booster_buffer_reserve_user_space_en;
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uint8_t b_write_booster_buffer_type;
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uint32_t d_num_shared_write_booster_buffer_alloc_units;
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} __attribute__ ((packed));
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struct ufs_unit_desc_configuration_param {
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uint8_t b_lu_enable;
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uint8_t b_boot_lun_id;
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uint8_t b_lu_write_protect;
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uint8_t b_memory_type;
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uint32_t d_num_alloc_units;
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uint8_t b_data_reliability;
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uint8_t b_logical_block_size;
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uint8_t b_provisioning_type;
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uint16_t w_context_capabilities;
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uint8_t reserved[13]; /* 3 reserved, 13 in ufs3.1 */
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} __attribute__ ((packed));
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struct ufs_configuration_descriptor {
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struct ufs_dev_desc_configuration_param dev_desc_conf_param;
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struct ufs_unit_desc_configuration_param unit_desc_conf_param[UNIT_DESCS_COUNT];
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} __attribute__ ((packed));
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struct ufs_geometry_descriptor {
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uint8_t b_length;
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uint8_t b_descriptor_idn;
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uint8_t b_media_technology;
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uint8_t reserved;
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uint64_t q_total_raw_device_capacity;
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uint8_t b_max_number_lu;
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uint32_t d_segment_size;
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uint8_t b_allocation_unit_size;
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uint8_t b_min_addr_block_size;
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uint8_t b_optimal_read_block_size;
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uint8_t b_optimal_write_block_size;
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uint8_t b_max_in_buffer_size;
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uint8_t b_max_out_buffer_size;
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uint8_t b_rpmb_read_write_size;
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uint8_t b_dynamic_capacity_resource_policy;
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uint8_t b_data_ordering;
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uint8_t b_max_contex_id_number;
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uint8_t b_sys_data_tag_unit_size;
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uint8_t b_sys_data_tag_res_size;
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uint8_t b_supported_sec_rtypes;
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uint16_t w_supported_memory_types;
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uint32_t d_system_code_max_alloc_u;
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uint16_t w_system_code_cap_adj_fac;
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uint32_t d_non_persist_max_alloc_u;
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uint16_t w_non_persist_cap_adj_fac;
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uint32_t d_enhanced1_max_alloc_u;
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uint16_t w_enhanced1_cap_adj_fac;
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uint32_t d_enhanced2_max_alloc_u;
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uint16_t w_enhanced2_cap_adj_fac;
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uint32_t d_enhanced3_max_alloc_u;
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uint16_t w_enhanced3_cap_adj_fac;
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uint32_t d_enhanced4_max_alloc_u;
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uint16_t w_enhanced4_cap_adj_fac;
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uint32_t d_optimal_logical_block_size;
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/* 15 reserved in ufs3.1 */
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uint8_t b_hpb_region_size;
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uint8_t b_hpb_number_lu;
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uint8_t b_hpb_sub_region_size;
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uint16_t w_device_max_active_hpb_regions;
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uint16_t w_eserved;
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uint32_t d_write_booster_buffer_max_alloc_units;
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uint8_t b_device_max_write_booster_lus;
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uint8_t b_write_booster_buffer_cap_adj_fac;
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uint8_t b_supported_write_booster_buffer_user_space_reduction_types;
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uint8_t b_supported_write_booster_buffer_types;
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} __attribute__ ((packed));
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