LXR uboot/include/fis.h

   1/*
   2 * Copyright (C) 2008 Freescale Semiconductor, Inc.
   3 *              Dave Liu <daveliu@freescale.com>
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License as
   7 * published by the Free Software Foundation; either version 2 of
   8 * the License, or (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18 * MA 02111-1307 USA
  19 *
  20 */
  21
  22#ifndef __FIS_H__
  23#define __FIS_H__
  24/*
  25* Register - Host to Device FIS
  26*/
  27typedef struct sata_fis_h2d {
  28        u8 fis_type;
  29        u8 pm_port_c;
  30        u8 command;
  31        u8 features;
  32        u8 lba_low;
  33        u8 lba_mid;
  34        u8 lba_high;
  35        u8 device;
  36        u8 lba_low_exp;
  37        u8 lba_mid_exp;
  38        u8 lba_high_exp;
  39        u8 features_exp;
  40        u8 sector_count;
  41        u8 sector_count_exp;
  42        u8 res1;
  43        u8 control;
  44        u8 res2[4];
  45} __attribute__ ((packed)) sata_fis_h2d_t;
  46
  47/*
  48* Register - Host to Device FIS for read/write FPDMA queued
  49*/
  50typedef struct sata_fis_h2d_ncq {
  51        u8 fis_type;
  52        u8 pm_port_c;
  53        u8 command;
  54        u8 sector_count_low;
  55        u8 lba_low;
  56        u8 lba_mid;
  57        u8 lba_high;
  58        u8 device;
  59        u8 lba_low_exp;
  60        u8 lba_mid_exp;
  61        u8 lba_high_exp;
  62        u8 sector_count_high;
  63        u8 tag;
  64        u8 res1;
  65        u8 res2;
  66        u8 control;
  67        u8 res3[4];
  68} __attribute__ ((packed)) sata_fis_h2d_ncq_t;
  69
  70/*
  71* Register - Device to Host FIS
  72*/
  73typedef struct sata_fis_d2h {
  74        u8 fis_type;
  75        u8 pm_port_i;
  76        u8 status;
  77        u8 error;
  78        u8 lba_low;
  79        u8 lba_mid;
  80        u8 lba_high;
  81        u8 device;
  82        u8 lba_low_exp;
  83        u8 lba_mid_exp;
  84        u8 lba_high_exp;
  85        u8 res1;
  86        u8 sector_count;
  87        u8 sector_count_exp;
  88        u8 res2[2];
  89        u8 res3[4];
  90} __attribute__ ((packed)) sata_fis_d2h_t;
  91
  92/*
  93* DMA Setup - Device to Host or Host to Device FIS
  94*/
  95typedef struct sata_fis_dma_setup {
  96        u8 fis_type;
  97        u8 pm_port_dir_int_act;
  98        u8 res1;
  99        u8 res2;
 100        u32 dma_buffer_id_low;
 101        u32 dma_buffer_id_high;
 102        u32 res3;
 103        u32 dma_buffer_offset;
 104        u32 dma_transfer_count;
 105        u32 res4;
 106} __attribute__ ((packed)) sata_fis_dma_setup_t;
 107
 108/*
 109* PIO Setup - Device to Host FIS
 110*/
 111typedef struct sata_fis_pio_setup {
 112        u8 fis_type;
 113        u8 pm_port_dir_int;
 114        u8 status;
 115        u8 error;
 116        u8 lba_low;
 117        u8 lba_mid;
 118        u8 lba_high;
 119        u8 res1;
 120        u8 lba_low_exp;
 121        u8 lba_mid_exp;
 122        u8 lba_high_exp;
 123        u8 res2;
 124        u8 sector_count;
 125        u8 sector_count_exp;
 126        u8 res3;
 127        u8 e_status;
 128        u16 transfer_count;
 129        u16 res4;
 130} __attribute__ ((packed)) sata_fis_pio_setup_t;
 131
 132/*
 133* Data - Host to Device or Device to Host FIS
 134*/
 135typedef struct sata_fis_data {
 136        u8 fis_type;
 137        u8 pm_port;
 138        u8 res1;
 139        u8 res2;
 140        u32 data[2048];
 141} __attribute__ ((packed)) sata_fis_data_t;
 142
 143/* fis_type - SATA FIS type
 144 */
 145enum sata_fis_type {
 146        SATA_FIS_TYPE_REGISTER_H2D              = 0x27,
 147        SATA_FIS_TYPE_REGISTER_D2H              = 0x34,
 148        SATA_FIS_TYPE_DMA_ACT_D2H               = 0x39,
 149        SATA_FIS_TYPE_DMA_SETUP_BI              = 0x41,
 150        SATA_FIS_TYPE_DATA_BI                   = 0x46,
 151        SATA_FIS_TYPE_BIST_ACT_BI               = 0x58,
 152        SATA_FIS_TYPE_PIO_SETUP_D2H             = 0x5F,
 153        SATA_FIS_TYPE_SET_DEVICE_BITS_D2H       = 0xA1,
 154};
 155
 156#endif  /* __FIS_H__ */
 157