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Rework ATA driver to get rid of lots of target-specific constants and allow for non-memory-mapped task file registers.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28950 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2011-01-02 22:51:47 +00:00
parent 0ce42df073
commit 9339be1279
11 changed files with 117 additions and 331 deletions
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26
firmware/target/arm/s3c2440/gigabeat-fx/ata-target.h
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@ -44,32 +44,6 @@ void copy_read_sectors(unsigned char* buf, int wordcount);
#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0x0E)))
#define ATA_CONTROL (*((volatile unsigned char*)(0x20000000 + 0x1C)))
#define STATUS_BSY 0x80
#define STATUS_RDY 0x40
#define STATUS_DF 0x20
#define STATUS_DRQ 0x08
#define STATUS_ERR 0x01
#define ERROR_ABRT 0x04
#define ERROR_IDNF 0x10
#define WRITE_PATTERN1 0xa5
#define WRITE_PATTERN2 0x5a
#define WRITE_PATTERN3 0xaa
#define WRITE_PATTERN4 0x55
#define READ_PATTERN1 0xa5
#define READ_PATTERN2 0x5a
#define READ_PATTERN3 0xaa
#define READ_PATTERN4 0x55
#define READ_PATTERN1_MASK 0xff
#define READ_PATTERN2_MASK 0xff
#define READ_PATTERN3_MASK 0xff
#define READ_PATTERN4_MASK 0xff
#define SET_REG(reg,val) reg = (val)
#define SET_16BITREG(reg,val) reg = (val)
void ata_reset(void);
void ata_device_init(void);
bool ata_is_coldstart(void);