Texas Instruments AM1808, Technical Reference Manual

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Use Cases
1355 SPRUH82C – April 2013 – Revised September 2016
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Serial ATA (SATA) Controller
#define WAIT_1_MILLISECOND (1)
#define ONE_MS_VALUE (1) // Number of CPU Cycles needed to generate a millisecond
wait time.
#define DMA_BURST_LENGTH (0x9) // [0x0 - 0x9] Burst=2^(–1) i.e., 0x8=> 2^(9-
1)=256
#define DMA_TRANSACTION_SIZE (0x4) // [0x0 - 0xA] TransSize=2^n i.e., 0xA=> 2^10=1024
/////////////////////////////////////////////////////////////////////////////////////////////
// Maximum of 32 commands slots per port exist where each command occupies 8 DWs (64 Bytes).
// The structure 'CmdListHeader' defines a single command header definition.
// The start of the first Command List &CmdListHeader[0] needs to be programmed onto P0CLB.
//
// Command List Base Address should be 1K Byte Aligned.
typedef struct {
Uint32 CmdLen:5; //bits[4:0]
Uint32 Atapi:1; //bit[5]
Uint32 Write:1; //bit[6]
Uint32 Prefetch:1; //bit[7]
Uint32 Reset:1; //bit[8]
Uint32 Bist:1; //bit[9]
Uint32 Rok:1; //bit[10]
Uint32 Rsv:1; //bit[11]
Uint32 Pmp:4; //bits[15:12]
Uint32 Prdtl:16; //bits[31:16]
}CmdListHeaderW0;
typedef struct {
Uint32 PrdByteCnt; //bits[31:0]
}CmdListHeaderW1;
typedef struct {
// Uint32 CmdTableAddLowRsv:7; //bit[6:0]
// Uint32 CmdTableAddLow:25; //bits[31:7]
Uint32 CmdTableAddLow; //bits[31:7]
}CmdListHeaderW2;
typedef struct {
Uint32 CmdTableAddHigh; //bits[31:0]
}CmdListHeaderW3;
typedef struct {
CmdListHeaderW0 DW0;
CmdListHeaderW1 DW1;
CmdListHeaderW2 DW2;
CmdListHeaderW3 DW3;
Uint32 DW4;
Uint32 DW5;
Uint32 DW6;
Uint32 DW7;
} CmdListHeader;
typedef struct {
Uint32 B0FisType:8;//bits[7:0]
Uint32 BYTE1:8; //bits[15:8]
Uint32 B2Cmd:8; //bits[23:16]
Uint32 B3Feature:8;//bits[31:24]
}CmdFisWord0;
typedef struct {
Uint32 B0LbaLow:8; //bits[7:0]