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{$ifdef NDS_INTERFACE}
{$define DATA32_SUPPORT}
const
SDMMC_BASE = $04004800;
REG_SDCMD = $00;
REG_SDPORTSEL = $02;
REG_SDCMDARG = $04;
REG_SDCMDARG0 = $04;
REG_SDCMDARG1 = $06;
REG_SDSTOP = $08;
REG_SDRESP = $0c;
REG_SDBLKCOUNT = $0a;
REG_SDRESP0 = $0c;
REG_SDRESP1 = $0e;
REG_SDRESP2 = $10;
REG_SDRESP3 = $12;
REG_SDRESP4 = $14;
REG_SDRESP5 = $16;
REG_SDRESP6 = $18;
REG_SDRESP7 = $1a;
REG_SDSTATUS0 = $1c;
REG_SDSTATUS1 = $1e;
REG_SDIRMASK0 = $20;
REG_SDIRMASK1 = $22;
REG_SDCLKCTL = $24;
REG_SDBLKLEN = $26;
REG_SDOPT = $28;
REG_SDFIFO = $30;
REG_SDDATACTL = $d8;
REG_SDRESET = $e0;
REG_SDPROTECTED = $f6;
REG_SDDATACTL32 = $100;
REG_SDBLKLEN32 = $104;
REG_SDBLKCOUNT32 = $108;
REG_SDFIFO32 = $10C;
REG_CLK_AND_WAIT_CTL = $138;
REG_RESET_SDIO = $1e0;
TMIO_STAT0_CMDRESPEND = $0001;
TMIO_STAT0_DATAEND = $0004;
TMIO_STAT0_CARD_REMOVE = $0008;
TMIO_STAT0_CARD_INSERT = $0010;
TMIO_STAT0_SIGSTATE = $0020;
TMIO_STAT0_WRPROTECT = $0080;
TMIO_STAT0_CARD_REMOVE_A = $0100;
TMIO_STAT0_CARD_INSERT_A = $0200;
TMIO_STAT0_SIGSTATE_A = $0400;
TMIO_STAT1_CMD_IDX_ERR = $0001;
TMIO_STAT1_CRCFAIL = $0002;
TMIO_STAT1_STOPBIT_ERR = $0004;
TMIO_STAT1_DATATIMEOUT = $0008;
TMIO_STAT1_RXOVERFLOW = $0010;
TMIO_STAT1_TXUNDERRUN = $0020;
TMIO_STAT1_CMDTIMEOUT = $0040;
TMIO_STAT1_RXRDY = $0100;
TMIO_STAT1_TXRQ = $0200;
TMIO_STAT1_ILL_FUNC = $2000;
TMIO_STAT1_CMD_BUSY = $4000;
TMIO_STAT1_ILL_ACCESS = $8000;
//Comes from TWLSDK mongoose.tef DWARF info
SDMC_NORMAL = $00000000;
SDMC_ERR_COMMAND = $00000001;
SDMC_ERR_CRC = $00000002;
SDMC_ERR_END = $00000004;
SDMC_ERR_TIMEOUT = $00000008;
SDMC_ERR_FIFO_OVF = $00000010;
SDMC_ERR_FIFO_UDF = $00000020;
SDMC_ERR_WP = $00000040;
SDMC_ERR_ABORT = $00000080;
SDMC_ERR_FPGA_TIMEOUT = $00000100;
SDMC_ERR_PARAM = $00000200;
SDMC_ERR_R1_STATUS = $00000800;
SDMC_ERR_NUM_WR_SECTORS = $00001000;
SDMC_ERR_RESET = $00002000;
SDMC_ERR_ILA = $00004000;
SDMC_ERR_INFO_DETECT = $00008000;
SDMC_STAT_ERR_UNKNOWN = $00080000;
SDMC_STAT_ERR_CC = $00100000;
SDMC_STAT_ERR_ECC_FAILED = $00200000;
SDMC_STAT_ERR_CRC = $00800000;
SDMC_STAT_ERR_OTHER = $f9c70008;
TMIO_MASK_ALL = $837f031d;
TMIO_MASK_GW = (TMIO_STAT1_ILL_ACCESS or TMIO_STAT1_CMDTIMEOUT or
TMIO_STAT1_TXUNDERRUN or TMIO_STAT1_RXOVERFLOW or
TMIO_STAT1_DATATIMEOUT or TMIO_STAT1_STOPBIT_ERR or
TMIO_STAT1_CRCFAIL or TMIO_STAT1_CMD_IDX_ERR);
TMIO_MASK_READOP = (TMIO_STAT1_RXRDY or TMIO_STAT0_DATAEND); // TMIO_STAT1_DATAEND ???
TMIO_MASK_WRITEOP = (TMIO_STAT1_TXRQ or TMIO_STAT0_DATAEND); // TMIO_STAT1_DATAEND ???
type
TMMCDevice = packed record
data: pcuint8;
size: cuint32;
error: cuint32;
stat0: cuint16;
stat1: cuint16;
ret: array[0..3] of cuint32;
initarg: cuint32;
isSDHC: cuint32;
clk: cuint32;
SDOPT: cuint32;
devicenumber: cuint32;
total_size: cuint32;
res: cuint32;
end;
mmcdevice = TMMCDevice;
procedure sdmmc_controller_init(); cdecl; external;
procedure sdmmc_initirq(); cdecl; external;
function sdmmc_cardinserted(): cint; cdecl; external;
function sdmmc_sdcard_init(): cint; cdecl; external;
function sdmmc_sdcard_readsectors(sector_no: cuint32; numsectors: cuint32; _out: pointer): cint; cdecl; external;
function sdmmc_sdcard_writesectors(sector_no: cuint32; numsectors: cuint32; _in: pointer): cint; cdecl; external;
var
sdmmc_curdevice: cint; cvar; external;
sdmmc_cid: pcuint32; cvar; external;
function sdmmc_read16(reg: cuint16): cuint16; inline;
procedure sdmmc_write16(reg, val: cuint16); inline;
function sdmmc_read32(reg: cuint16): cuint32; inline;
procedure sdmmc_write32(reg: cuint16; val: cuint32); inline;
procedure sdmmc_mask16(reg, clear, _set: cuint16); inline;
procedure setckl(data: cuint32); inline;
{$endif NDS_INTERFACE}
{$ifdef NDS_IMPLEMENTATION}
function sdmmc_read16(reg: cuint16): cuint16; inline;
begin
sdmmc_read16 := pcuint16(SDMMC_BASE + reg)^;
end;
procedure sdmmc_write16(reg, val: cuint16); inline;
begin
pcuint16(SDMMC_BASE + reg)^ := val;
end;
function sdmmc_read32(reg: cuint16): cuint32; inline;
begin
sdmmc_read32 := pcuint32(SDMMC_BASE + reg)^;
end;
procedure sdmmc_write32(reg: cuint16; val: cuint32); inline;
begin
pcuint32(SDMMC_BASE + reg)^ := val;
end;
procedure sdmmc_mask16(reg, clear, _set: cuint16); inline;
var
val: cuint16;
begin
val := sdmmc_read16(reg);
val := val and not clear;
val := val or _set;
sdmmc_write16(reg, val);
end;
procedure setckl(data: cuint32); inline;
begin
sdmmc_mask16(REG_SDCLKCTL, $100, 0);
sdmmc_mask16(REG_SDCLKCTL, $2FF, data and $2FF);
sdmmc_mask16(REG_SDCLKCTL, $0, $100);
end;
{$endif NDS_IMPLEMENTATION}
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