diff options
Diffstat (limited to 'drivers/block/mg_disk_prv.h')
| -rw-r--r-- | drivers/block/mg_disk_prv.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/block/mg_disk_prv.h b/drivers/block/mg_disk_prv.h deleted file mode 100644 index 43e90ea7d5c..00000000000 --- a/drivers/block/mg_disk_prv.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * (C) Copyright 2009 mGine co. - * unsik Kim <donari75@gmail.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __MG_DISK_PRV_H__ -#define __MG_DISK_PRV_H__ - -#include <mg_disk.h> - -/* name for block device */ -#define MG_DISK_NAME "mgd" -/* name for platform device */ -#define MG_DEV_NAME "mg_disk" - -#define MG_DISK_MAJ 240 -#define MG_DISK_MAX_PART 16 -#define MG_SECTOR_SIZE 512 -#define MG_SECTOR_SIZE_MASK (512 - 1) -#define MG_SECTOR_SIZE_SHIFT (9) -#define MG_MAX_SECTS 256 - -/* Register offsets */ -#define MG_BUFF_OFFSET 0x8000 -#define MG_STORAGE_BUFFER_SIZE 0x200 -#define MG_REG_OFFSET 0xC000 -#define MG_REG_FEATURE (MG_REG_OFFSET + 2) /* write case */ -#define MG_REG_ERROR (MG_REG_OFFSET + 2) /* read case */ -#define MG_REG_SECT_CNT (MG_REG_OFFSET + 4) -#define MG_REG_SECT_NUM (MG_REG_OFFSET + 6) -#define MG_REG_CYL_LOW (MG_REG_OFFSET + 8) -#define MG_REG_CYL_HIGH (MG_REG_OFFSET + 0xA) -#define MG_REG_DRV_HEAD (MG_REG_OFFSET + 0xC) -#define MG_REG_COMMAND (MG_REG_OFFSET + 0xE) /* write case */ -#define MG_REG_STATUS (MG_REG_OFFSET + 0xE) /* read case */ -#define MG_REG_DRV_CTRL (MG_REG_OFFSET + 0x10) -#define MG_REG_BURST_CTRL (MG_REG_OFFSET + 0x12) - -/* "Drive Select/Head Register" bit values */ -#define MG_REG_HEAD_MUST_BE_ON 0xA0 /* These 2 bits are always on */ -#define MG_REG_HEAD_DRIVE_MASTER (0x00 | MG_REG_HEAD_MUST_BE_ON) -#define MG_REG_HEAD_DRIVE_SLAVE (0x10 | MG_REG_HEAD_MUST_BE_ON) -#define MG_REG_HEAD_LBA_MODE (0x40 | MG_REG_HEAD_MUST_BE_ON) - - -/* "Device Control Register" bit values */ -#define MG_REG_CTRL_INTR_ENABLE 0x0 -#define MG_REG_CTRL_INTR_DISABLE (0x1 << 1) -#define MG_REG_CTRL_RESET (0x1 << 2) -#define MG_REG_CTRL_INTR_POLA_ACTIVE_HIGH 0x0 -#define MG_REG_CTRL_INTR_POLA_ACTIVE_LOW (0x1 << 4) -#define MG_REG_CTRL_DPD_POLA_ACTIVE_LOW 0x0 -#define MG_REG_CTRL_DPD_POLA_ACTIVE_HIGH (0x1 << 5) -#define MG_REG_CTRL_DPD_DISABLE 0x0 -#define MG_REG_CTRL_DPD_ENABLE (0x1 << 6) - -/* Status register bit */ - /* error bit in status register */ -#define MG_REG_STATUS_BIT_ERROR 0x01 - /* corrected error in status register */ -#define MG_REG_STATUS_BIT_CORRECTED_ERROR 0x04 - /* data request bit in status register */ -#define MG_REG_STATUS_BIT_DATA_REQ 0x08 - /* DSC - Drive Seek Complete */ -#define MG_REG_STATUS_BIT_SEEK_DONE 0x10 - /* DWF - Drive Write Fault */ -#define MG_REG_STATUS_BIT_WRITE_FAULT 0x20 -#define MG_REG_STATUS_BIT_READY 0x40 -#define MG_REG_STATUS_BIT_BUSY 0x80 - -/* handy status */ -#define MG_STAT_READY (MG_REG_STATUS_BIT_READY | MG_REG_STATUS_BIT_SEEK_DONE) -#define MG_READY_OK(s) (((s) & (MG_STAT_READY | \ - (MG_REG_STATUS_BIT_BUSY | \ - MG_REG_STATUS_BIT_WRITE_FAULT | \ - MG_REG_STATUS_BIT_ERROR))) == MG_STAT_READY) - -/* Error register */ -#define MG_REG_ERR_AMNF 0x01 -#define MG_REG_ERR_ABRT 0x04 -#define MG_REG_ERR_IDNF 0x10 -#define MG_REG_ERR_UNC 0x40 -#define MG_REG_ERR_BBK 0x80 - -/* error code for others */ -#define MG_ERR_NONE 0 -#define MG_ERR_TIMEOUT 0x100 -#define MG_ERR_INIT_STAT 0x101 -#define MG_ERR_TRANSLATION 0x102 -#define MG_ERR_CTRL_RST 0x103 -#define MG_ERR_NO_DRV_DATA 0x104 - -#define MG_MAX_ERRORS 16 /* Max read/write errors/sector */ -#define MG_RESET_FREQ 4 /* Reset controller every 4th retry */ - -/* command */ -#define MG_CMD_RD 0x20 -#define MG_CMD_WR 0x30 -#define MG_CMD_SLEEP 0x99 -#define MG_CMD_WAKEUP 0xC3 -#define MG_CMD_ID 0xEC -#define MG_CMD_WR_CONF 0x3C -#define MG_CMD_RD_CONF 0x40 - -union mg_uniwb{ - u16 w; - u8 b[2]; -}; - -/* main structure for mflash driver */ -struct mg_host { - struct mg_drv_data *drv_data; - /* for future use */ -}; - -/* - * Debugging macro and defines - */ -#undef DO_MG_DEBUG -#ifdef DO_MG_DEBUG -# define MG_DBG(fmt, args...) printf("%s:%d "fmt"\n", __func__, __LINE__,##args) -#else /* CONFIG_MG_DEBUG */ -# define MG_DBG(fmt, args...) do { } while(0) -#endif /* CONFIG_MG_DEBUG */ - -#endif |