[U-Boot-Users] [PATCH] Add defines to libata (Take three)
Dave Liu
r63238 at freescale.com
Tue Apr 1 07:51:56 CEST 2008
Thanks Tor,
I will send one new patch including the full set of linux kernel's ata.h
with your signed-off.
On Tue, 2008-04-01 at 05:26 +0800, Tor Krill wrote:
> This patch adds some missing defines to libata.
> Add check power mode command.
> Add obsoleted bits in dev reg
> Add ata command register defines
>
> Signed-off-by: Tor Krill <tor at excito.com>
> ---
> include/libata.h | 22 ++++++++++++++++++++++
> 1 files changed, 22 insertions(+), 0 deletions(-)
>
> diff --git a/include/libata.h b/include/libata.h
> index aedba74..b50af9b 100644
> --- a/include/libata.h
> +++ b/include/libata.h
> @@ -30,6 +30,7 @@
> enum ata_cmd {
> /* non-NCQ command */
> ATA_CMD_DEV_RESET = 0x08, /* ATAPI device reset
> */
> + ATA_CMD_CHK_POWER = 0xE5, /* check power mode */
> ATA_CMD_FLUSH_CACHE = 0xE7,
> ATA_CMD_FLUSH_CACHE_EXT = 0xEA,
> ATA_CMD_ID_ATA = 0xEC,
> @@ -110,6 +111,7 @@ enum {
> ATA_HOB = (1 << 7), /* LBA48 selector */
> ATA_NIEN = (1 << 1), /* disable-irq flag */
> ATA_LBA = (1 << 6), /* LBA28 selector */
> + ATA_DEVICE_OBS = (1 << 7) | (1 << 5), /* obs bits in dev reg
> */
> ATA_DEV1 = (1 << 4), /* Select Device 1
> (slave) */
> ATA_BUSY = (1 << 7), /* BSY status bit */
> ATA_DRDY = (1 << 6), /* device ready */
> @@ -156,6 +158,26 @@ enum {
> ATA_UDMA7 = ATA_UDMA6 | (1 << 7),
> };
>
> +/* ATA command block registers */
> +enum ata_regs {
> + 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,
> +};
> +
> #define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0)
> #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
> #define ata_id_has_fua(id) ((id)[84] & (1 << 6))
> --
> 1.5.4.4
>
>
More information about the U-Boot
mailing list