ra8_sdhi_regs.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_attributes.h"
 
typedef enum : uintptr_t {
  k_ra8_sdhi0_base_addr = 0x40252000UL, 
  k_ra8_sdhi1_base_addr = 0x40252400UL, 
  k_ra8_sdhi_stride     = 0x400UL,      
} ra8_sdhi_addr_t;
 
typedef enum : uint8_t {
  k_ra8_sdhi_instance_count = 2U, 
} ra8_sdhi_limits_t;

typedef enum : uint32_t {
  k_ra8_sdhi_info2_bre_mask  = 0x00000100UL, 
  k_ra8_sdhi_info2_bwe_mask  = 0x00000200UL, 
  k_ra8_sdhi_info2_brem_bwem = 0x00000300UL, 
  k_ra8_sdhi_stop_seccnt_en  = 0x00000100UL, 
  k_ra8_sdhi_dmaen_set       = 0x00000002UL, 
} ra8_sdhi_xfer_bits_t;

typedef enum : uint8_t {
  k_ra8_sdhi_cmd_set_bus_width      = 6U,  
  k_ra8_sdhi_cmd_emmc_switch        = 6U,  
  k_ra8_sdhi_cmd_stop_transmission  = 12U, 
  k_ra8_sdhi_cmd_read_single_block  = 17U, 
  k_ra8_sdhi_cmd_read_multi_block   = 18U, 
  k_ra8_sdhi_cmd_write_single_block = 24U, 
  k_ra8_sdhi_cmd_write_multi_block  = 25U, 
  k_ra8_sdhi_cmd_app_cmd            = 55U, 
} ra8_sdhi_cmd_id_t;

typedef enum : uint32_t {
  k_ra8_sdhi_block_bytes     = 512UL, 
  k_ra8_sdhi_fifo_word_bytes = 4UL,   
  k_ra8_sdhi_words_per_block = 128UL, 
} ra8_sdhi_geometry_t;

typedef enum : uint32_t {
  k_ra8_sdhi_option_top_default = 0x000000E0UL, 
  k_ra8_sdhi_option_rsvd_bit14  = 0x00004000UL, 
  k_ra8_sdhi_option_width8_bit  = 0x00002000UL, 
  k_ra8_sdhi_option_width_bit   = 0x00008000UL, 
  k_ra8_sdhi_option_width_mask = k_ra8_sdhi_option_width_bit | k_ra8_sdhi_option_width8_bit,
  k_ra8_sdhi_option_bus_1bit =
    k_ra8_sdhi_option_width_bit | k_ra8_sdhi_option_rsvd_bit14 | k_ra8_sdhi_option_top_default,
  k_ra8_sdhi_option_bus_4bit = k_ra8_sdhi_option_rsvd_bit14 | k_ra8_sdhi_option_top_default,
  k_ra8_sdhi_option_bus_8bit =
    k_ra8_sdhi_option_width8_bit | k_ra8_sdhi_option_rsvd_bit14 | k_ra8_sdhi_option_top_default,
} ra8_sdhi_option_bits_t;

typedef enum : uint32_t {
  k_ra8_sdhi_acmd6_arg_1bit     = 0x00000000UL, 
  k_ra8_sdhi_acmd6_arg_4bit     = 0x00000002UL, 
  k_ra8_sdhi_r1_app_cmd_mask    = 0x00000020UL, 
  k_ra8_sdhi_r1_illegal_command = 0x00400000UL, 
  k_ra8_sdhi_r1_error_mask      = 0xFDF90008UL, 
} ra8_sdhi_acmd6_bits_t;

typedef enum : uint32_t {
  k_ra8_sdhi_switch_access_write_byte = 0x03000000UL, 
  k_ra8_sdhi_switch_index_bus_width   = 0x00B70000UL, 
  k_ra8_sdhi_switch_value_8bit        = 0x00000200UL, 
  k_ra8_sdhi_cmd6_arg_8bit = k_ra8_sdhi_switch_access_write_byte |
                             k_ra8_sdhi_switch_index_bus_width | k_ra8_sdhi_switch_value_8bit,
} ra8_sdhi_cmd6_switch_bits_t;

typedef enum : uint8_t {
  k_ra8_sdhi_rca_arg_shift = 16U, 
} ra8_sdhi_arg_shift_t;

typedef struct {
  volatile uint32_t SD_CMD;          
  volatile uint32_t _r0;             
  volatile uint32_t SD_ARG;          
  volatile uint32_t SD_ARG1;         
  volatile uint32_t SD_STOP;         
  volatile uint32_t SD_SECCNT;       
  volatile uint32_t SD_RSP10;        
  volatile uint32_t SD_RSP1;         
  volatile uint32_t SD_RSP32;        
  volatile uint32_t SD_RSP3;         
  volatile uint32_t SD_RSP54;        
  volatile uint32_t SD_RSP5;         
  volatile uint32_t SD_RSP76;        
  volatile uint32_t SD_RSP7;         
  volatile uint32_t SD_INFO1;        
  volatile uint32_t SD_INFO2;        
  volatile uint32_t SD_INFO1_MASK;   
  volatile uint32_t SD_INFO2_MASK;   
  volatile uint32_t SD_CLK_CTRL;     
  volatile uint32_t SD_SIZE;         
  volatile uint32_t SD_OPTION;       
  volatile uint32_t _r1;             
  volatile uint32_t SD_ERR_STS1;     
  volatile uint32_t SD_ERR_STS2;     
  volatile uint32_t SD_BUF0;         
  volatile uint32_t _r2;             
  volatile uint32_t SDIO_MODE;       
  volatile uint32_t SDIO_INFO1;      
  volatile uint32_t SDIO_INFO1_MASK; 
  volatile uint32_t _r3[79];         
  volatile uint32_t SD_DMAEN;        
  volatile uint32_t _r4[3];          
  volatile uint32_t SOFT_RST;        
  volatile uint32_t _r5[2];          
  volatile uint32_t SDIF_MODE;       
  volatile uint32_t _r6[4];          
  volatile uint32_t EXT_SWAP;        
} r_sdhi_regs_t;

RA8_HW_REGISTER_ACCESS
static inline volatile r_sdhi_regs_t* ra8_sdhi(uint8_t instance)
{
  if (instance >= k_ra8_sdhi_instance_count) {
    return nullptr;
  }
  return (volatile r_sdhi_regs_t*)(k_ra8_sdhi0_base_addr +
                                   ((uintptr_t)instance * k_ra8_sdhi_stride));
}
 
#ifdef __cplusplus
}
#endif