X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fata.h;h=aa6e90d4702e710a0ed8a0d45092bcb30ac8f0ea;hb=71d67f43dabe8dd8adbe594b6c61944a2d106efa;hp=fa30ee8bd157afcf814a10b0340a0eb4c71b32d8;hpb=9fd5e31fe0245c44a11d35a8603bb6b25c97b5c8;p=oweals%2Fu-boot.git

diff --git a/include/ata.h b/include/ata.h
index fa30ee8bd1..aa6e90d470 100644
--- a/include/ata.h
+++ b/include/ata.h
@@ -56,6 +56,8 @@
 #define ATA_CYL_HIGH	ATA_IO_REG(5)
 #define ATA_DEV_HD	ATA_IO_REG(6)
 #define ATA_COMMAND	ATA_IO_REG(7)
+#define ATA_DATA_EVEN	ATA_IO_REG(8)
+#define ATA_DATA_ODD	ATA_IO_REG(9)
 #define ATA_STATUS	ATA_COMMAND
 #define ATA_DEV_CTL	ATA_IO_ALT(6)
 #define ATA_LBA_LOW	ATA_SECT_NUM
@@ -81,6 +83,66 @@
 #define ATA_DEVICE(x)	((x & 1)<<4)
 #define ATA_LBA		0xE0
 
+enum {
+	ATA_MAX_DEVICES = 1,	/* per bus/port */
+	ATA_MAX_PRD = 256,	/* we could make these 256/256 */
+	ATA_SECT_SIZE = 256,	/*256 words per sector */
+
+	/* bits in ATA command block registers */
+	ATA_HOB = (1 << 7),	/* LBA48 selector */
+	ATA_NIEN = (1 << 1),	/* disable-irq flag */
+	/*ATA_LBA                 = (1 << 6), */ /* LBA28 selector */
+	ATA_DEV1 = (1 << 4),	/* Select Device 1 (slave) */
+	ATA_DEVICE_OBS = (1 << 7) | (1 << 5),	/* obs bits in dev reg */
+	ATA_DEVCTL_OBS = (1 << 3),	/* obsolete bit in devctl reg */
+	ATA_BUSY = (1 << 7),	/* BSY status bit */
+	ATA_DRDY = (1 << 6),	/* device ready */
+	ATA_DF = (1 << 5),	/* device fault */
+	ATA_DRQ = (1 << 3),	/* data request i/o */
+	ATA_ERR = (1 << 0),	/* have an error */
+	ATA_SRST = (1 << 2),	/* software reset */
+	ATA_ABORTED = (1 << 2),	/* command aborted */
+	/* ATA command block registers */
+	ATA_REG_DATA = 0x00,
+	ATA_REG_ERR = 0x01,
+	ATA_REG_NSECT = 0x02,
+	ATA_REG_LBAL = 0x03,
+	ATA_REG_LBAM = 0x04,
+	ATA_REG_LBAH = 0x05,
+	ATA_REG_DEVICE = 0x06,
+	ATA_REG_STATUS = 0x07,
+	ATA_PCI_CTL_OFS = 0x02,
+	/* and their aliases */
+	ATA_REG_FEATURE = ATA_REG_ERR,
+	ATA_REG_CMD = ATA_REG_STATUS,
+	ATA_REG_BYTEL = ATA_REG_LBAM,
+	ATA_REG_BYTEH = ATA_REG_LBAH,
+	ATA_REG_DEVSEL = ATA_REG_DEVICE,
+	ATA_REG_IRQ = ATA_REG_NSECT,
+
+	/* SETFEATURES stuff */
+	SETFEATURES_XFER = 0x03,
+	XFER_UDMA_7 = 0x47,
+	XFER_UDMA_6 = 0x46,
+	XFER_UDMA_5 = 0x45,
+	XFER_UDMA_4 = 0x44,
+	XFER_UDMA_3 = 0x43,
+	XFER_UDMA_2 = 0x42,
+	XFER_UDMA_1 = 0x41,
+	XFER_UDMA_0 = 0x40,
+	XFER_MW_DMA_2 = 0x22,
+	XFER_MW_DMA_1 = 0x21,
+	XFER_MW_DMA_0 = 0x20,
+	XFER_PIO_4 = 0x0C,
+	XFER_PIO_3 = 0x0B,
+	XFER_PIO_2 = 0x0A,
+	XFER_PIO_1 = 0x09,
+	XFER_PIO_0 = 0x08,
+	XFER_SW_DMA_2 = 0x12,
+	XFER_SW_DMA_1 = 0x11,
+	XFER_SW_DMA_0 = 0x10,
+	XFER_PIO_SLOW = 0x00
+};
 /*
  * ATA Commands (only mandatory commands listed here)
  */
@@ -104,6 +166,10 @@
 #define ATA_CMD_SETF	0xEF	/* Set Features			*/
 #define ATA_CMD_CHK_PWR	0xE5	/* Check Power Mode		*/
 
+#define ATA_CMD_READ_EXT 0x24	/* Read Sectors (with retries)	with 48bit addressing */
+#define ATA_CMD_WRITE_EXT	0x34	/* Write Sectores (with retries) with 48bit addressing */
+#define ATA_CMD_VRFY_EXT	0x42	/* Read Verify	(with retries)	with 48bit addressing */
+
 /*
  * ATAPI Commands
  */
@@ -190,7 +256,7 @@ typedef struct hd_driveid {
 	unsigned short  major_rev_num;	/*  */
 	unsigned short  minor_rev_num;	/*  */
 	unsigned short  command_set_1;	/* bits 0:Smart 1:Security 2:Removable 3:PM */
-	unsigned short  command_set_2;	/* bits 14:Smart Enabled 13:0 zero */
+	unsigned short	command_set_2;	/* bits 14:Smart Enabled 13:0 zero 10:lba48 support*/
 	unsigned short  cfsse;		/* command set-feature supported extensions */
 	unsigned short  cfs_enable_1;	/* command set-feature enabled */
 	unsigned short  cfs_enable_2;	/* command set-feature enabled */
@@ -201,7 +267,10 @@ typedef struct hd_driveid {
 	unsigned short	CurAPMvalues;	/* current APM values */
 	unsigned short	word92;		/* reserved (word 92) */
 	unsigned short	hw_config;	/* hardware config */
-	unsigned short  words94_125[32];/* reserved words 94-125 */
+	unsigned short	words94_99[6];/* reserved words 94-99 */
+	/*unsigned long long  lba48_capacity; /--* 4 16bit values containing lba 48 total number of sectors */
+	unsigned short	lba48_capacity[4]; /* 4 16bit values containing lba 48 total number of sectors */
+	unsigned short	words104_125[22];/* reserved words 104-125 */
 	unsigned short	last_lun;	/* reserved (word 126) */
 	unsigned short	word127;	/* reserved (word 127) */
 	unsigned short	dlf;		/* device lock function