/*
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/*
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* idedsk.h -- IDE disk definitions
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* idedsk.h -- IDE disk definitions
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*/
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*/
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#ifndef _IDEDSK_H_
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#ifndef _IDEDSK_H_
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#define _IDEDSK_H_
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#define _IDEDSK_H_
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#define SECTOR_SIZE 512
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#define SECTOR_SIZE 512
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#define WPS (SECTOR_SIZE / sizeof(unsigned int))
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#define WPS (SECTOR_SIZE / sizeof(unsigned int))
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#define DISK_BASE ((unsigned *) 0xF0400000) /* disk base address */
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#define DISK_BASE ((unsigned *) 0xF0400000) /* disk base address */
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#define DISK_CTRL (DISK_BASE + 0) /* control/status register */
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#define DISK_CTRL (DISK_BASE + 0) /* control/status register */
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#define DISK_CNT (DISK_BASE + 1) /* sector count register */
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#define DISK_CNT (DISK_BASE + 1) /* sector count register */
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#define DISK_SCT (DISK_BASE + 2) /* disk sector register */
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#define DISK_SCT (DISK_BASE + 2) /* disk sector register */
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#define DISK_CAP (DISK_BASE + 3) /* disk capacity register */
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#define DISK_CAP (DISK_BASE + 3) /* disk capacity register */
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#define DISK_BUFFER ((unsigned *) 0xF0480000) /* address of disk buffer */
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#define DISK_BUFFER ((unsigned *) 0xF0480000) /* address of disk buffer */
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#define DISK_CTRL_STRT 0x01 /* a 1 written here starts the disk command */
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#define DISK_CTRL_STRT 0x01U /* a 1 written here starts the disk command */
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#define DISK_CTRL_IEN 0x02 /* enable disk interrupt */
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#define DISK_CTRL_IEN 0x02U /* enable disk interrupt */
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#define DISK_CTRL_WRT 0x04 /* command type: 0 = read, 1 = write */
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#define DISK_CTRL_WRT 0x04U /* command type: 0 = read, 1 = write */
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#define DISK_CTRL_ERR 0x08 /* 0 = ok, 1 = error; valid when DONE = 1 */
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#define DISK_CTRL_ERR 0x08U /* 0 = ok, 1 = error; valid when DONE = 1 */
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#define DISK_CTRL_DONE 0x10 /* 1 = disk has finished the command */
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#define DISK_CTRL_DONE 0x10U /* 1 = disk has finished the command */
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#define DISK_CTRL_READY 0x20 /* 1 = capacity valid, disk accepts command */
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#define DISK_CTRL_READY 0x20U /* 1 = capacity valid, disk accepts command */
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#define DISK_IRQ 8 /* disk interrupt number */
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#define DISK_IRQ 8 /* disk interrupt number */
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#define READY_RETRIES 1000000 /* retries to wait for disk to get ready */
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#define READY_RETRIES 1000000 /* retries to wait for disk to get ready */
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#endif /* _IDEDSK_H_ */
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#endif /* _IDEDSK_H_ */
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