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1 /*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #ifndef _IDE_H
9 #define _IDE_H
10
11 #define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
12
13 #define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
14 extern ulong ide_bus_offset[];
15
16 #ifdef CONFIG_IDE_LED
17
18 /*
19 * LED Port
20 */
21 #define LED_PORT ((uchar *)(PER8_BASE + 0x3000))
22 #define LED_IDE1 0x01
23 #define LED_IDE2 0x02
24 #define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
25
26 void ide_led(uchar led, uchar status);
27 #endif /* CONFIG_IDE_LED */
28
29 #ifdef CONFIG_SYS_64BIT_LBA
30 typedef uint64_t lbaint_t;
31 #define LBAF "%llx"
32 #define LBAFU "%llu"
33 #else
34 typedef ulong lbaint_t;
35 #define LBAF "%lx"
36 #define LBAFU "%lu"
37 #endif
38
39 /*
40 * Function Prototypes
41 */
42
43 void ide_init(void);
44 ulong ide_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer);
45 ulong ide_write(int device, lbaint_t blknr, lbaint_t blkcnt,
46 const void *buffer);
47
48 #ifdef CONFIG_IDE_PREINIT
49 int ide_preinit(void);
50 #endif
51
52 #ifdef CONFIG_IDE_INIT_POSTRESET
53 int ide_init_postreset(void);
54 #endif
55
56 #if defined(CONFIG_OF_IDE_FIXUP)
57 int ide_device_present(int dev);
58 #endif
59
60 #if defined(CONFIG_IDE_AHB)
61 unsigned char ide_read_register(int dev, unsigned int port);
62 void ide_write_register(int dev, unsigned int port, unsigned char val);
63 void ide_read_data(int dev, ulong *sect_buf, int words);
64 void ide_write_data(int dev, const ulong *sect_buf, int words);
65 #endif
66
67 /*
68 * I/O function overrides
69 */
70 unsigned char ide_inb(int dev, int port);
71 void ide_outb(int dev, int port, unsigned char val);
72 void ide_input_swap_data(int dev, ulong *sect_buf, int words);
73 void ide_input_data(int dev, ulong *sect_buf, int words);
74 void ide_output_data(int dev, const ulong *sect_buf, int words);
75 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
76 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
77
78 void ide_led(uchar led, uchar status);
79
80 /**
81 * board_start_ide() - Start up the board IDE interfac
82 *
83 * @return 0 if ok
84 */
85 int board_start_ide(void);
86
87 #endif /* _IDE_H */