1 /* 2 * (C) Copyright 2000 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef _IDE_H 25 #define _IDE_H 26 27 #define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS)) 28 29 #define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) 30 extern ulong ide_bus_offset[]; 31 32 #ifdef CONFIG_IDE_LED 33 34 /* 35 * LED Port 36 */ 37 #define LED_PORT ((uchar *)(PER8_BASE + 0x3000)) 38 #define LED_IDE1 0x01 39 #define LED_IDE2 0x02 40 #define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */ 41 42 #endif /* CONFIG_IDE_LED */ 43 44 #ifdef CONFIG_SYS_64BIT_LBA 45 typedef uint64_t lbaint_t; 46 #else 47 typedef ulong lbaint_t; 48 #endif 49 50 /* 51 * Function Prototypes 52 */ 53 54 void ide_init(void); 55 ulong ide_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer); 56 ulong ide_write(int device, ulong blknr, lbaint_t blkcnt, const void *buffer); 57 58 #ifdef CONFIG_IDE_PREINIT 59 int ide_preinit(void); 60 #endif 61 62 #ifdef CONFIG_IDE_INIT_POSTRESET 63 int ide_init_postreset(void); 64 #endif 65 66 #if defined(CONFIG_OF_IDE_FIXUP) 67 int ide_device_present(int dev); 68 #endif 69 70 #if defined(CONFIG_IDE_AHB) 71 unsigned char ide_read_register(int dev, unsigned int port); 72 void ide_write_register(int dev, unsigned int port, unsigned char val); 73 void ide_read_data(int dev, ulong *sect_buf, int words); 74 void ide_write_data(int dev, ulong *sect_buf, int words); 75 #endif 76 77 /* 78 * I/O function overrides 79 */ 80 void ide_input_swap_data(int dev, ulong *sect_buf, int words); 81 void ide_input_data(int dev, ulong *sect_buf, int words); 82 void ide_output_data(int dev, const ulong *sect_buf, int words); 83 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts); 84 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts); 85 86 #endif /* _IDE_H */ 87