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[/] [eco32/] [tags/] [eco32-0.26/] [stdalone/] [mkpart/] [idedsk.h] - Rev 259
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/* * idedsk.h -- IDE disk definitions */ #ifndef _IDEDSK_H_ #define _IDEDSK_H_ #define SECTOR_SIZE 512 #define WPS (SECTOR_SIZE / sizeof(unsigned int)) #define DISK_BASE ((unsigned *) 0xF0400000) /* disk base address */ #define DISK_CTRL (DISK_BASE + 0) /* control/status register */ #define DISK_CNT (DISK_BASE + 1) /* sector count register */ #define DISK_SCT (DISK_BASE + 2) /* disk sector register */ #define DISK_CAP (DISK_BASE + 3) /* disk capacity register */ #define DISK_BUFFER ((unsigned *) 0xF0480000) /* address of disk buffer */ #define DISK_CTRL_STRT 0x01U /* a 1 written here starts the disk command */ #define DISK_CTRL_IEN 0x02U /* enable disk interrupt */ #define DISK_CTRL_WRT 0x04U /* command type: 0 = read, 1 = write */ #define DISK_CTRL_ERR 0x08U /* 0 = ok, 1 = error; valid when DONE = 1 */ #define DISK_CTRL_DONE 0x10U /* 1 = disk has finished the command */ #define DISK_CTRL_READY 0x20U /* 1 = capacity valid, disk accepts command */ #define DISK_IRQ 8 /* disk interrupt number */ #define READY_RETRIES 1000000 /* retries to wait for disk to get ready */ #endif /* _IDEDSK_H_ */
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