xref: /openbmc/u-boot/include/sata.h (revision 047375bf)
1 
2 #if (DEBUG_SATA)
3 #define PRINTF(fmt,args...)	printf (fmt ,##args)
4 #else
5 #define PRINTF(fmt,args...)
6 #endif
7 
8 struct sata_ioports {
9 	unsigned long cmd_addr;
10 	unsigned long data_addr;
11 	unsigned long error_addr;
12 	unsigned long feature_addr;
13 	unsigned long nsect_addr;
14 	unsigned long lbal_addr;
15 	unsigned long lbam_addr;
16 	unsigned long lbah_addr;
17 	unsigned long device_addr;
18 	unsigned long status_addr;
19 	unsigned long command_addr;
20 	unsigned long altstatus_addr;
21 	unsigned long ctl_addr;
22 	unsigned long bmdma_addr;
23 	unsigned long scr_addr;
24 };
25 
26 struct sata_port {
27 	unsigned char port_no;		/* primary=0, secondary=1	*/
28 	struct sata_ioports ioaddr;	/* ATA cmd/ctl/dma reg blks	*/
29 	unsigned char ctl_reg;
30 	unsigned char last_ctl;
31 	unsigned char port_state;	/* 1-port is available and	*/
32 					/* 0-port is not available	*/
33 	unsigned char dev_mask;
34 };
35 
36 /***********SATA LIBRARY SPECIFIC DEFINITIONS AND DECLARATIONS**************/
37 #ifdef SATA_DECL		/*SATA library specific declarations */
38 #define ata_id_has_lba48(id)    ((id)[83] & (1 << 10))
39 #define ata_id_has_lba(id)      ((id)[49] & (1 << 9))
40 #define ata_id_has_dma(id)      ((id)[49] & (1 << 8))
41 #define ata_id_u32(id,n)        \
42 	(((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
43 #define ata_id_u64(id,n)        \
44 	(((u64) (id)[(n) + 3] << 48) | \
45 	((u64) (id)[(n) + 2] << 32) | \
46 	((u64) (id)[(n) + 1] << 16) | \
47 	((u64) (id)[(n) + 0]) )
48 #endif
49 
50 #ifdef SATA_DECL		/*SATA library specific declarations */
51 static inline void
52 ata_dump_id (u16 * id)
53 {
54 	PRINTF ("49==0x%04x  "
55 		"53==0x%04x  "
56 		"63==0x%04x  "
57 		"64==0x%04x  "
58 		"75==0x%04x  \n", id[49], id[53], id[63], id[64], id[75]);
59 	PRINTF ("80==0x%04x  "
60 		"81==0x%04x  "
61 		"82==0x%04x  "
62 		"83==0x%04x  "
63 		"84==0x%04x  \n", id[80], id[81], id[82], id[83], id[84]);
64 	PRINTF ("88==0x%04x  " "93==0x%04x\n", id[88], id[93]);
65 }
66 #endif
67 
68 #ifdef SATA_DECL		/*SATA library specific declarations */
69 int sata_bus_softreset (int num);
70 void sata_identify (int num, int dev);
71 void sata_port (struct sata_ioports *ioport);
72 void set_Feature_cmd (int num, int dev);
73 int sata_devchk (struct sata_ioports *ioaddr, int dev);
74 void dev_select (struct sata_ioports *ioaddr, int dev);
75 u8 sata_busy_wait (struct sata_ioports *ioaddr, int bits, unsigned int max);
76 u8 sata_chk_status (struct sata_ioports *ioaddr);
77 ulong sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buffer);
78 ulong sata_write (int device,ulong blknr, lbaint_t blkcnt, void * buffer);
79 void msleep (int count);
80 #else
81 extern int sata_bus_softreset (int num);
82 extern void sata_identify (int num, int dev);
83 extern void sata_port (struct sata_ioports *ioport);
84 extern void set_Feature_cmd (int num, int dev);
85 extern ulong sata_read (int device, ulong blknr,
86 			lbaint_t blkcnt, void * buffer);
87 extern ulong sata_write (int device, ulong blknr,
88 			lbaint_t blkcnt, void * buffer);
89 extern void msleep (int count);
90 #endif
91 
92 /************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/
93 
94 #ifdef DRV_DECL			/*Driver specific declaration */
95 int init_sata (void);
96 #else
97 extern int init_sata (void);
98 #endif
99 
100 #ifdef DRV_DECL			/*Defines Driver Specific variables */
101 struct sata_port port[CFG_SATA_MAXBUS];
102 block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES];
103 int curr_dev = -1;
104 #else
105 extern struct sata_port port[CFG_SATA_MAXBUS];
106 extern block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES];
107 extern int curr_dev;
108 #endif
109