| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | #endif /* CONFIG_IDE_LED */ |
| 27 | |
| 28 | #ifdef CONFIG_SYS_64BIT_LBA |
| 29 | typedef uint64_t lbaint_t; |
| 30 | #define LBAF "%llx" |
| 31 | #define LBAFU "%llu" |
| 32 | #else |
| 33 | typedef ulong lbaint_t; |
| 34 | #define LBAF "%lx" |
| 35 | #define LBAFU "%lu" |
| 36 | #endif |
| 37 | |
| 38 | /* |
| 39 | * Function Prototypes |
| 40 | */ |
| 41 | |
| 42 | void ide_init(void); |
| 43 | ulong ide_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer); |
| 44 | ulong ide_write(int device, lbaint_t blknr, lbaint_t blkcnt, |
| 45 | const void *buffer); |
| 46 | |
| 47 | #ifdef CONFIG_IDE_PREINIT |
| 48 | int ide_preinit(void); |
| 49 | #endif |
| 50 | |
| 51 | #ifdef CONFIG_IDE_INIT_POSTRESET |
| 52 | int ide_init_postreset(void); |
| 53 | #endif |
| 54 | |
| 55 | #if defined(CONFIG_OF_IDE_FIXUP) |
| 56 | int ide_device_present(int dev); |
| 57 | #endif |
| 58 | |
| 59 | #if defined(CONFIG_IDE_AHB) |
| 60 | unsigned char ide_read_register(int dev, unsigned int port); |
| 61 | void ide_write_register(int dev, unsigned int port, unsigned char val); |
| 62 | void ide_read_data(int dev, ulong *sect_buf, int words); |
| 63 | void ide_write_data(int dev, const ulong *sect_buf, int words); |
| 64 | #endif |
| 65 | |
| 66 | /* |
| 67 | * I/O function overrides |
| 68 | */ |
| 69 | void ide_input_swap_data(int dev, ulong *sect_buf, int words); |
| 70 | void ide_input_data(int dev, ulong *sect_buf, int words); |
| 71 | void ide_output_data(int dev, const ulong *sect_buf, int words); |
| 72 | void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts); |
| 73 | void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts); |
| 74 | |
| 75 | /** |
| 76 | * board_start_ide() - Start up the board IDE interfac |
| 77 | * |
| 78 | * @return 0 if ok |
| 79 | */ |
| 80 | int board_start_ide(void); |
| 81 | |
| 82 | #endif /* _IDE_H */ |