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 LBAFlength "ll" 32 #else 33 typedef ulong lbaint_t; 34 #define LBAFlength "l" 35 #endif 36 #define LBAF "%" LBAFlength "x" 37 #define LBAFU "%" LBAFlength "u" 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 */ 88