Subversion Repositories sata_controller_core

/*

 * sata_cfg.h

 *

 * Definitions for the SATA core configuration registers

 *

 * Author: Bin Huang  <bin.arthur@gmail.com>

 *

 * 2012 (c) Reconfigurable Computing System Lab at University of North

 * Carolina at Charlotte. This file is licensed under

 * the terms of the GNU General Public License version 2. This program

 * is licensed "as is" without any warranty of any kind, whether express

 * or implied. The code originally comes from the book "Linux Device

 * Drivers" by Alessandro Rubini and Jonathan Corbet, published

 * by O'Reilly & Associates.

 */

#include "xparameters.h"

#define SATA_CFG_BASE           XPAR_SATA_CORE_0_BASEADDR

#define SATA_CFG_HIGH           XPAR_SATA_CORE_0_HIGHADDR

#define SATA_CFG_REMAP_SIZE     (SATA_CFG_HIGH - SATA_CFG_BASE + 1)

// Structure maps to SATA Core Slave Registers

typedef struct {

  volatile unsigned int ctrl_reg;

  volatile unsigned int cmd_reg;

  volatile unsigned int status_reg;

  volatile unsigned int sector_addr_reg;

  volatile unsigned int sector_count_reg;

  volatile unsigned int sector_timer_reg;

  volatile unsigned int npi_rd_addr_reg;

  volatile unsigned int npi_wr_addr_reg;

} SATA_core_t,

  *pSATA_core_t;

// Special Commands to SATA controller

#define REG_CLEAR      0x00000000

#define SATA_LINK_READY 0x00000002

#define SW_RESET       0x00000001

#define NPI_DONE       0x00000008

#define SATA_CORE_DONE 0x00000004

#define NEW_CMD        0x00000002

#define READ_CMD       0x00000000

#define WRITE_CMD      0x00000001

#define FPDMA_READ_CMD 0x00000002

#define FPDMA_WRITE_CMD 0x00000003

#define IDEN_DEV_CMD   0x00000004

#define SET_FEATURES_CMD 0x00000005

#define QUEUE_DEPTH    0x00000000

#define QUEUE_DEPTH_INT 1

#define WORDS_PER_SECTOR 128