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https://github.com/brain-hackers/u-boot-brain
synced 2024-07-09 04:36:16 +09:00
ff8fef5666
With CONFIG_SYS_64BIT_LBA, lbaint_t gets defined as a 64-bit type, which is required to represent block numbers for storage devices that exceed 2TiB (the block size usually is 512B), e.g. recent hard drives. For some obscure reason, the current U-Boot code uses lbaint_t for the number of blocks to read (a rather optimistic estimation of how RAM sizes will evolve), but not for the starting address. Trying to access blocks beyond the 2TiB boundary will simply wrap around and read a block within the 0..2TiB range. We now use lbaint_t for block start addresses, too. This required changes to all block drivers as the signature of block_read(), block_write() and block_erase() in block_dev_desc_t changed. Signed-off-by: Sascha Silbe <t-uboot@infra-silbe.de>
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _IDE_H
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#define _IDE_H
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#define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
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#define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
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extern ulong ide_bus_offset[];
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#ifdef CONFIG_IDE_LED
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/*
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* LED Port
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*/
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#define LED_PORT ((uchar *)(PER8_BASE + 0x3000))
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#define LED_IDE1 0x01
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#define LED_IDE2 0x02
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#define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
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#endif /* CONFIG_IDE_LED */
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#ifdef CONFIG_SYS_64BIT_LBA
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typedef uint64_t lbaint_t;
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#define LBAF "%llx"
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#else
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typedef ulong lbaint_t;
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#define LBAF "%lx"
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#endif
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/*
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* Function Prototypes
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*/
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void ide_init(void);
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ulong ide_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer);
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ulong ide_write(int device, lbaint_t blknr, lbaint_t blkcnt,
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const void *buffer);
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#ifdef CONFIG_IDE_PREINIT
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int ide_preinit(void);
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#endif
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#ifdef CONFIG_IDE_INIT_POSTRESET
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int ide_init_postreset(void);
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#endif
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#if defined(CONFIG_OF_IDE_FIXUP)
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int ide_device_present(int dev);
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#endif
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#if defined(CONFIG_IDE_AHB)
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unsigned char ide_read_register(int dev, unsigned int port);
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void ide_write_register(int dev, unsigned int port, unsigned char val);
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void ide_read_data(int dev, ulong *sect_buf, int words);
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void ide_write_data(int dev, ulong *sect_buf, int words);
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#endif
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/*
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* I/O function overrides
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*/
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void ide_input_swap_data(int dev, ulong *sect_buf, int words);
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void ide_input_data(int dev, ulong *sect_buf, int words);
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void ide_output_data(int dev, const ulong *sect_buf, int words);
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void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
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void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
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/**
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* board_start_ide() - Start up the board IDE interfac
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*
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* @return 0 if ok
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*/
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int board_start_ide(void);
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#endif /* _IDE_H */
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