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 typedef struct block_dev_desc block_dev_desc_t; 45 ulong ide_read(block_dev_desc_t *block_dev, lbaint_t blknr, lbaint_t blkcnt, 46 void *buffer); 47 ulong ide_write(block_dev_desc_t *block_dev, lbaint_t blknr, lbaint_t blkcnt, 48 const void *buffer); 49 50 #ifdef CONFIG_IDE_PREINIT 51 int ide_preinit(void); 52 #endif 53 54 #ifdef CONFIG_IDE_INIT_POSTRESET 55 int ide_init_postreset(void); 56 #endif 57 58 #if defined(CONFIG_OF_IDE_FIXUP) 59 int ide_device_present(int dev); 60 #endif 61 62 #if defined(CONFIG_IDE_AHB) 63 unsigned char ide_read_register(int dev, unsigned int port); 64 void ide_write_register(int dev, unsigned int port, unsigned char val); 65 void ide_read_data(int dev, ulong *sect_buf, int words); 66 void ide_write_data(int dev, const ulong *sect_buf, int words); 67 #endif 68 69 /* 70 * I/O function overrides 71 */ 72 unsigned char ide_inb(int dev, int port); 73 void ide_outb(int dev, int port, unsigned char val); 74 void ide_input_swap_data(int dev, ulong *sect_buf, int words); 75 void ide_input_data(int dev, ulong *sect_buf, int words); 76 void ide_output_data(int dev, const ulong *sect_buf, int words); 77 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts); 78 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts); 79 80 void ide_led(uchar led, uchar status); 81 82 /** 83 * board_start_ide() - Start up the board IDE interfac 84 * 85 * @return 0 if ok 86 */ 87 int board_start_ide(void); 88 89 #endif /* _IDE_H */ 90