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 */ 83