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- update docs deprecated section to include links to new commands (if any) 

- added missing svn props

git-svn-id: svn://svn.berlios.de/openocd/trunk@1077 b42882b7-edfa-0310-969c-e2dbd0fdcd60
tags/v0.1.0
ntfreak 15 years ago
parent
358b472ab8
commit
04fb21b28d
3 changed files with 1138 additions and 1131 deletions
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  1. +17
    -10
      doc/openocd.texi
  2. +876
    -876
      src/flash/mflash.c
  3. +245
    -245
      src/flash/mflash.h

+ 17
- 10
doc/openocd.texi View File

@@ -275,6 +275,7 @@ and get the output from the TCL engine.
first target will be gdb_port, the second target will listen on gdb_port + 1, and so on.
@item @b{gdb_breakpoint_override} <@var{hard|soft|disabled}>
@cindex gdb_breakpoint_override
@anchor{gdb_breakpoint_override}
@*Force breakpoint type for gdb 'break' commands.
The raison d'etre for this option is to support GDB GUI's without
a hard/soft breakpoint concept where the default OpenOCD and
@@ -724,7 +725,7 @@ Use the standard str9 driver for programming.
@item @b{mflash bank} <@var{soc}> <@var{base}> <@var{chip_width}> <@var{bus_width}>
<@var{RST pin}> <@var{WP pin}> <@var{DPD pin}> <@var{target #}>
@cindex mflash bank
Configures a mflash for <@var{soc}> host bank at <@var{base}>. <@var{chip_width}> and
@*Configures a mflash for <@var{soc}> host bank at <@var{base}>. <@var{chip_width}> and
<@var{bus_width}> are bytes order. Pin number format is dependent on host GPIO calling convention.
If WP or DPD pin was not used, write -1. Currently, mflash bank support s3c2440 and pxa270.
@end itemize
@@ -904,9 +905,11 @@ These commands allow accesses of a specific size to the memory system:

@item @b{load_image} <@var{file}> <@var{address}> [@option{bin}|@option{ihex}|@option{elf}]
@cindex load_image
@anchor{load_image}
@*Load image <@var{file}> to target memory at <@var{address}>
@item @b{dump_image} <@var{file}> <@var{address}> <@var{size}>
@cindex dump_image
@anchor{dump_image}
@*Dump <@var{size}> bytes of target memory starting at <@var{address}> to a
(binary) <@var{file}>.
@item @b{verify_image} <@var{file}> <@var{address}> [@option{bin}|@option{ihex}|@option{elf}]
@@ -940,6 +943,7 @@ updated information.
@option{flash erase_sector} using the same syntax.
@item @b{flash erase_sector} <@var{num}> <@var{first}> <@var{last}>
@cindex flash erase_sector
@anchor{flash erase_sector}
@*Erase sectors at bank <@var{num}>, starting at sector <@var{first}> up to and including
<@var{last}>. Sector numbering starts at 0. Depending on the flash type, erasing may
require the protection to be disabled first (e.g. Intel Advanced Bootblock flash using
@@ -949,10 +953,12 @@ the CFI driver).
@*Erase sectors starting at <@var{address}> for <@var{length}> bytes
@item @b{flash write_bank} <@var{num}> <@var{file}> <@var{offset}>
@cindex flash write_bank
@anchor{flash write_bank}
@*Write the binary <@var{file}> to flash bank <@var{num}>, starting at
<@option{offset}> bytes from the beginning of the bank.
@item @b{flash write_image} [@var{erase}] <@var{file}> [@var{offset}] [@var{type}]
@cindex flash write_image
@anchor{flash write_image}
@*Write the image <@var{file}> to the current target's flash bank(s). A relocation
[@var{offset}] can be specified and the file [@var{type}] can be specified
explicitly as @option{bin} (binary), @option{ihex} (Intel hex), @option{elf}
@@ -1569,6 +1575,7 @@ ARM920t or ARM926EJ-S.
safe for all but ARM7TDMI--S cores (like Philips LPC).
@item @b{arm7_9 fast_memory_access} <@var{enable}|@var{disable}>
@cindex arm7_9 fast_memory_access
@anchor{arm7_9 fast_memory_access}
@*Allow OpenOCD to read and write memory without checking completion of
the operation. This provides a huge speed increase, especially with USB JTAG
cables (FT2232), but might be unsafe if used with targets running at a very low
@@ -1820,7 +1827,7 @@ working area.
Informing gdb of the memory map of the target will enable gdb to protect any
flash area of the target and use hardware breakpoints by default. This means
that the OpenOCD option @option{gdb_breakpoint_override} is not required when
using a memory map.
using a memory map. @xref{gdb_breakpoint_override}

To view the configured memory map in gdb, use the gdb command @option{info mem}
All other unasigned addresses within gdb are treated as RAM.
@@ -1936,29 +1943,29 @@ Certain OpenOCD commands have been deprecated/removed during the various revisio
@itemize @bullet
@item @b{load_binary}
@cindex load_binary
@*use @option{load_image} command with same args
@*use @option{load_image} command with same args. @xref{load_image}
@item @b{target}
@cindex target
@*@option{target} no longer take the reset_init, reset_run, run_and_halt, run_and_init. The @option{reset} command
always does a @option{reset run} when passed no arguments.
@item @b{dump_binary}
@cindex dump_binary
@*use @option{dump_image} command with same args
@*use @option{dump_image} command with same args. @xref{dump_image}
@item @b{flash erase}
@cindex flash erase
@*use @option{flash erase_sector} command with same args
@*use @option{flash erase_sector} command with same args. @xref{flash erase_sector}
@item @b{flash write}
@cindex flash write
@*use @option{flash write_bank} command with same args
@*use @option{flash write_bank} command with same args. @xref{flash write_bank}
@item @b{flash write_binary}
@cindex flash write_binary
@*use @option{flash write_bank} command with same args
@item @b{arm7_9 fast_writes}
@cindex arm7_9 fast_writes
@*use @option{arm7_9 fast_memory_access} command with same args
@*use @option{arm7_9 fast_memory_access} command with same args. @xref{arm7_9 fast_memory_access}
@item @b{flash auto_erase}
@cindex flash auto_erase
@*use @option{flash write_image} command passing @option{erase} as the first parameter.
@*use @option{flash write_image} command passing @option{erase} as the first parameter. @xref{flash write_image}
@item @b{daemon_startup}
@cindex daemon_startup
@*this config option has been removed, simply adding @option{init} and @option{reset halt} to
@@ -1966,12 +1973,12 @@ the end of your config script will give the same behaviour as using @option{daem
and @option{target cortex_m3 little reset_halt 0}.
@item @b{arm7_9 sw_bkpts}
@cindex arm7_9 sw_bkpts
@*On by default. See also @option{gdb_breakpoint_override}.
@*On by default. See also @option{gdb_breakpoint_override}. @xref{gdb_breakpoint_override}
@item @b{arm7_9 force_hw_bkpts}
@cindex arm7_9 force_hw_bkpts
@*Use @option{gdb_breakpoint_override} instead. Note that GDB will use hardware breakpoints
for flash if the gdb memory map has been set up(default when flash is declared in
target configuration).
target configuration). @xref{gdb_breakpoint_override}
@item @b{run_and_halt_time}
@cindex run_and_halt_time
@*This command has been removed for simpler reset behaviour, it can be simulated with the


+ 876
- 876
src/flash/mflash.c
File diff suppressed because it is too large
View File


+ 245
- 245
src/flash/mflash.h View File

@@ -1,245 +1,245 @@
/***************************************************************************
* Copyright (C) 2007-2008 by unsik Kim <donari75@gmail.com> *
* *
* 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 _MFLASH_H
#define _MFLASH_H
typedef unsigned long mg_io_uint32;
typedef unsigned short mg_io_uint16;
typedef unsigned char mg_io_uint8;
typedef struct mflash_gpio_num_s
{
char port[2];
signed short num;
} mflash_gpio_num_t;
typedef struct mflash_gpio_drv_s
{
char *name;
int (*set_gpio_to_output) (mflash_gpio_num_t gpio);
int (*set_gpio_output_val) (mflash_gpio_num_t gpio, u8 val);
} mflash_gpio_drv_t;
typedef struct _mg_io_type_drv_info {
mg_io_uint16 general_configuration; // 00
mg_io_uint16 number_of_cylinders; // 01
mg_io_uint16 reserved1; // 02
mg_io_uint16 number_of_heads; // 03
mg_io_uint16 unformatted_bytes_per_track; // 04
mg_io_uint16 unformatted_bytes_per_sector; // 05
mg_io_uint16 sectors_per_track; // 06
mg_io_uint8 vendor_unique1[6]; // 07/08/09
mg_io_uint8 serial_number[20]; // 10~19
mg_io_uint16 buffer_type; // 20
mg_io_uint16 buffer_sector_size; // 21
mg_io_uint16 number_of_ecc_bytes; // 22
mg_io_uint8 firmware_revision[8]; // 23~26
mg_io_uint8 model_number[40]; // 27
mg_io_uint8 maximum_block_transfer; // 47 low byte
mg_io_uint8 vendor_unique2; // 47 high byte
mg_io_uint16 dword_io; // 48
mg_io_uint16 capabilities; // 49
mg_io_uint16 reserved2; // 50
mg_io_uint8 vendor_unique3; // 51 low byte
mg_io_uint8 pio_cycle_timing_mode; // 51 high byte
mg_io_uint8 vendor_unique4; // 52 low byte
mg_io_uint8 dma_cycle_timing_mode; // 52 high byte
mg_io_uint16 translation_fields_valid; // 53 (low bit)
mg_io_uint16 number_of_current_cylinders; // 54
mg_io_uint16 number_of_current_heads; // 55
mg_io_uint16 current_sectors_per_track; // 56
mg_io_uint16 current_sector_capacity_lo; // 57 & 58
mg_io_uint16 current_sector_capacity_hi; // 57 & 58
mg_io_uint8 multi_sector_count; // 59 low
mg_io_uint8 multi_sector_setting_valid; // 59 high (low bit)
mg_io_uint16 total_user_addressable_sectors_lo; // 60 & 61
mg_io_uint16 total_user_addressable_sectors_hi; // 60 & 61
mg_io_uint8 single_dma_modes_supported; // 62 low byte
mg_io_uint8 single_dma_transfer_active; // 62 high byte
mg_io_uint8 multi_dma_modes_supported; // 63 low byte
mg_io_uint8 multi_dma_transfer_active; // 63 high byte
mg_io_uint16 adv_pio_mode;
mg_io_uint16 min_dma_cyc;
mg_io_uint16 recommend_dma_cyc;
mg_io_uint16 min_pio_cyc_no_iordy;
mg_io_uint16 min_pio_cyc_with_iordy;
mg_io_uint8 reserved3[22];
mg_io_uint16 major_ver_num;
mg_io_uint16 minor_ver_num;
mg_io_uint16 feature_cmd_set_suprt0;
mg_io_uint16 feature_cmd_set_suprt1;
mg_io_uint16 feature_cmd_set_suprt2;
mg_io_uint16 feature_cmd_set_en0;
mg_io_uint16 feature_cmd_set_en1;
mg_io_uint16 feature_cmd_set_en2;
mg_io_uint16 reserved4;
mg_io_uint16 req_time_for_security_er_done;
mg_io_uint16 req_time_for_enhan_security_er_done;
mg_io_uint16 adv_pwr_mgm_lvl_val;
mg_io_uint16 reserved5;
mg_io_uint16 re_of_hw_rst;
mg_io_uint8 reserved6[68];
mg_io_uint16 security_stas;
mg_io_uint8 vendor_uniq_bytes[62];
mg_io_uint16 cfa_pwr_mode;
mg_io_uint8 reserved7[186];
mg_io_uint16 scts_per_secure_data_unit;
mg_io_uint16 integrity_word;
} mg_io_type_drv_info;
typedef struct mg_drv_info_s {
mg_io_type_drv_info drv_id;
u32 tot_sects;
} mg_drv_info_t;
typedef struct mflash_bank_s
{
u32 base;
u32 chip_width;
u32 bus_width;
mflash_gpio_num_t rst_pin;
mflash_gpio_num_t wp_pin;
mflash_gpio_num_t dpd_pin;
mflash_gpio_drv_t *gpio_drv;
target_t *target;
mg_drv_info_t *drv_info;
u8 proved;
} mflash_bank_t;
extern int mflash_register_commands(struct command_context_s *cmd_ctx);
extern int mflash_init_drivers(struct command_context_s *cmd_ctx);
#define MG_MFLASH_SECTOR_SIZE (0x200) //512Bytes = 2^9
#define MG_MFLASH_SECTOR_SIZE_MASK (0x200-1)
#define MG_MFLASH_SECTOR_SIZE_SHIFT (9)
#define MG_BUFFER_OFFSET 0x8000
#define MG_REG_OFFSET 0xC000
#define MG_REG_FEATURE 0x2 // write case
#define MG_REG_ERROR 0x2 // read case
#define MG_REG_SECT_CNT 0x4
#define MG_REG_SECT_NUM 0x6
#define MG_REG_CYL_LOW 0x8
#define MG_REG_CYL_HIGH 0xA
#define MG_REG_DRV_HEAD 0xC
#define MG_REG_COMMAND 0xE // write case
#define MG_REG_STATUS 0xE // read case
#define MG_REG_DRV_CTRL 0x10
#define MG_REG_BURST_CTRL 0x12
#define MG_OEM_DISK_WAIT_TIME_LONG 15000 // msec
#define MG_OEM_DISK_WAIT_TIME_NORMAL 3000 // msec
#define MG_OEM_DISK_WAIT_TIME_SHORT 1000 // msec
typedef enum _mg_io_type_wait{
mg_io_wait_bsy = 1,
mg_io_wait_not_bsy = 2,
mg_io_wait_rdy = 3,
mg_io_wait_drq = 4, // wait for data request
mg_io_wait_drq_noerr = 5, // wait for DRQ but ignore the error status bit
mg_io_wait_rdy_noerr = 6 // wait for ready, but ignore error status bit
} mg_io_type_wait;
//= "Status Register" bit masks.
typedef enum _mg_io_type_rbit_status{
mg_io_rbit_status_error = 0x01, // error bit in status register
mg_io_rbit_status_corrected_error = 0x04, // corrected error in status register
mg_io_rbit_status_data_req = 0x08, // data request bit in status register
mg_io_rbit_status_seek_done = 0x10, // DSC - Drive Seek Complete
mg_io_rbit_status_write_fault = 0x20, // DWF - Drive Write Fault
mg_io_rbit_status_ready = 0x40,
mg_io_rbit_status_busy = 0x80
} mg_io_type_rbit_status;
//= "Error Register" bit masks.
typedef enum _mg_io_type_rbit_error{
mg_io_rbit_err_general = 0x01,
mg_io_rbit_err_aborted = 0x04,
mg_io_rbit_err_bad_sect_num = 0x10,
mg_io_rbit_err_uncorrectable = 0x40,
mg_io_rbit_err_bad_block = 0x80
} mg_io_type_rbit_error;
//= "Device Control Register" bit.
typedef enum _mg_io_type_rbit_devc{
mg_io_rbit_devc_intr = 0x02,// interrupt enable bit (1:disable, 0:enable)
mg_io_rbit_devc_srst = 0x04 // softwrae reset bit (1:assert, 0:de-assert)
} mg_io_type_rbit_devc;
// "Drive Select/Head Register" values.
typedef enum _mg_io_type_rval_dev{
mg_io_rval_dev_must_be_on = 0x80, // These 1 bits are always on
mg_io_rval_dev_drv_master = (0x00 | mg_io_rval_dev_must_be_on),// Master
mg_io_rval_dev_drv_slave0 = (0x10 | mg_io_rval_dev_must_be_on),// Slave0
mg_io_rval_dev_drv_slave1 = (0x20 | mg_io_rval_dev_must_be_on),// Slave1
mg_io_rval_dev_drv_slave2 = (0x30 | mg_io_rval_dev_must_be_on),// Slave2
mg_io_rval_dev_lba_mode = (0x40 | mg_io_rval_dev_must_be_on)
} mg_io_type_rval_dev;
typedef enum _mg_io_type_cmd
{
mg_io_cmd_read =0x20,
mg_io_cmd_write =0x30,
mg_io_cmd_setmul =0xC6,
mg_io_cmd_readmul =0xC4,
mg_io_cmd_writemul =0xC5,
mg_io_cmd_idle =0x97,//0xE3
mg_io_cmd_idle_immediate =0x95,//0xE1
mg_io_cmd_setsleep =0x99,//0xE6
mg_io_cmd_stdby =0x96,//0xE2
mg_io_cmd_stdby_immediate =0x94,//0xE0
mg_io_cmd_identify =0xEC,
mg_io_cmd_set_feature =0xEF,
mg_io_cmd_confirm_write =0x3C,
mg_io_cmd_confirm_read =0x40,
mg_io_cmd_wakeup =0xC3
} mg_io_type_cmd;
#endif
/***************************************************************************
* Copyright (C) 2007-2008 by unsik Kim <donari75@gmail.com> *
* *
* 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 _MFLASH_H
#define _MFLASH_H
typedef unsigned long mg_io_uint32;
typedef unsigned short mg_io_uint16;
typedef unsigned char mg_io_uint8;
typedef struct mflash_gpio_num_s
{
char port[2];
signed short num;
} mflash_gpio_num_t;
typedef struct mflash_gpio_drv_s
{
char *name;
int (*set_gpio_to_output) (mflash_gpio_num_t gpio);
int (*set_gpio_output_val) (mflash_gpio_num_t gpio, u8 val);
} mflash_gpio_drv_t;
typedef struct _mg_io_type_drv_info {
mg_io_uint16 general_configuration; // 00
mg_io_uint16 number_of_cylinders; // 01
mg_io_uint16 reserved1; // 02
mg_io_uint16 number_of_heads; // 03
mg_io_uint16 unformatted_bytes_per_track; // 04
mg_io_uint16 unformatted_bytes_per_sector; // 05
mg_io_uint16 sectors_per_track; // 06
mg_io_uint8 vendor_unique1[6]; // 07/08/09
mg_io_uint8 serial_number[20]; // 10~19
mg_io_uint16 buffer_type; // 20
mg_io_uint16 buffer_sector_size; // 21
mg_io_uint16 number_of_ecc_bytes; // 22
mg_io_uint8 firmware_revision[8]; // 23~26
mg_io_uint8 model_number[40]; // 27
mg_io_uint8 maximum_block_transfer; // 47 low byte
mg_io_uint8 vendor_unique2; // 47 high byte
mg_io_uint16 dword_io; // 48
mg_io_uint16 capabilities; // 49
mg_io_uint16 reserved2; // 50
mg_io_uint8 vendor_unique3; // 51 low byte
mg_io_uint8 pio_cycle_timing_mode; // 51 high byte
mg_io_uint8 vendor_unique4; // 52 low byte
mg_io_uint8 dma_cycle_timing_mode; // 52 high byte
mg_io_uint16 translation_fields_valid; // 53 (low bit)
mg_io_uint16 number_of_current_cylinders; // 54
mg_io_uint16 number_of_current_heads; // 55
mg_io_uint16 current_sectors_per_track; // 56
mg_io_uint16 current_sector_capacity_lo; // 57 & 58
mg_io_uint16 current_sector_capacity_hi; // 57 & 58
mg_io_uint8 multi_sector_count; // 59 low
mg_io_uint8 multi_sector_setting_valid; // 59 high (low bit)
mg_io_uint16 total_user_addressable_sectors_lo; // 60 & 61
mg_io_uint16 total_user_addressable_sectors_hi; // 60 & 61
mg_io_uint8 single_dma_modes_supported; // 62 low byte
mg_io_uint8 single_dma_transfer_active; // 62 high byte
mg_io_uint8 multi_dma_modes_supported; // 63 low byte
mg_io_uint8 multi_dma_transfer_active; // 63 high byte
mg_io_uint16 adv_pio_mode;
mg_io_uint16 min_dma_cyc;
mg_io_uint16 recommend_dma_cyc;
mg_io_uint16 min_pio_cyc_no_iordy;
mg_io_uint16 min_pio_cyc_with_iordy;
mg_io_uint8 reserved3[22];
mg_io_uint16 major_ver_num;
mg_io_uint16 minor_ver_num;
mg_io_uint16 feature_cmd_set_suprt0;
mg_io_uint16 feature_cmd_set_suprt1;
mg_io_uint16 feature_cmd_set_suprt2;
mg_io_uint16 feature_cmd_set_en0;
mg_io_uint16 feature_cmd_set_en1;
mg_io_uint16 feature_cmd_set_en2;
mg_io_uint16 reserved4;
mg_io_uint16 req_time_for_security_er_done;
mg_io_uint16 req_time_for_enhan_security_er_done;
mg_io_uint16 adv_pwr_mgm_lvl_val;
mg_io_uint16 reserved5;
mg_io_uint16 re_of_hw_rst;
mg_io_uint8 reserved6[68];
mg_io_uint16 security_stas;
mg_io_uint8 vendor_uniq_bytes[62];
mg_io_uint16 cfa_pwr_mode;
mg_io_uint8 reserved7[186];
mg_io_uint16 scts_per_secure_data_unit;
mg_io_uint16 integrity_word;
} mg_io_type_drv_info;
typedef struct mg_drv_info_s {
mg_io_type_drv_info drv_id;
u32 tot_sects;
} mg_drv_info_t;
typedef struct mflash_bank_s
{
u32 base;
u32 chip_width;
u32 bus_width;
mflash_gpio_num_t rst_pin;
mflash_gpio_num_t wp_pin;
mflash_gpio_num_t dpd_pin;
mflash_gpio_drv_t *gpio_drv;
target_t *target;
mg_drv_info_t *drv_info;
u8 proved;
} mflash_bank_t;
extern int mflash_register_commands(struct command_context_s *cmd_ctx);
extern int mflash_init_drivers(struct command_context_s *cmd_ctx);
#define MG_MFLASH_SECTOR_SIZE (0x200) //512Bytes = 2^9
#define MG_MFLASH_SECTOR_SIZE_MASK (0x200-1)
#define MG_MFLASH_SECTOR_SIZE_SHIFT (9)
#define MG_BUFFER_OFFSET 0x8000
#define MG_REG_OFFSET 0xC000
#define MG_REG_FEATURE 0x2 // write case
#define MG_REG_ERROR 0x2 // read case
#define MG_REG_SECT_CNT 0x4
#define MG_REG_SECT_NUM 0x6
#define MG_REG_CYL_LOW 0x8
#define MG_REG_CYL_HIGH 0xA
#define MG_REG_DRV_HEAD 0xC
#define MG_REG_COMMAND 0xE // write case
#define MG_REG_STATUS 0xE // read case
#define MG_REG_DRV_CTRL 0x10
#define MG_REG_BURST_CTRL 0x12
#define MG_OEM_DISK_WAIT_TIME_LONG 15000 // msec
#define MG_OEM_DISK_WAIT_TIME_NORMAL 3000 // msec
#define MG_OEM_DISK_WAIT_TIME_SHORT 1000 // msec
typedef enum _mg_io_type_wait{
mg_io_wait_bsy = 1,
mg_io_wait_not_bsy = 2,
mg_io_wait_rdy = 3,
mg_io_wait_drq = 4, // wait for data request
mg_io_wait_drq_noerr = 5, // wait for DRQ but ignore the error status bit
mg_io_wait_rdy_noerr = 6 // wait for ready, but ignore error status bit
} mg_io_type_wait;
//= "Status Register" bit masks.
typedef enum _mg_io_type_rbit_status{
mg_io_rbit_status_error = 0x01, // error bit in status register
mg_io_rbit_status_corrected_error = 0x04, // corrected error in status register
mg_io_rbit_status_data_req = 0x08, // data request bit in status register
mg_io_rbit_status_seek_done = 0x10, // DSC - Drive Seek Complete
mg_io_rbit_status_write_fault = 0x20, // DWF - Drive Write Fault
mg_io_rbit_status_ready = 0x40,
mg_io_rbit_status_busy = 0x80
} mg_io_type_rbit_status;
//= "Error Register" bit masks.
typedef enum _mg_io_type_rbit_error{
mg_io_rbit_err_general = 0x01,
mg_io_rbit_err_aborted = 0x04,
mg_io_rbit_err_bad_sect_num = 0x10,
mg_io_rbit_err_uncorrectable = 0x40,
mg_io_rbit_err_bad_block = 0x80
} mg_io_type_rbit_error;
//= "Device Control Register" bit.
typedef enum _mg_io_type_rbit_devc{
mg_io_rbit_devc_intr = 0x02,// interrupt enable bit (1:disable, 0:enable)
mg_io_rbit_devc_srst = 0x04 // softwrae reset bit (1:assert, 0:de-assert)
} mg_io_type_rbit_devc;
// "Drive Select/Head Register" values.
typedef enum _mg_io_type_rval_dev{
mg_io_rval_dev_must_be_on = 0x80, // These 1 bits are always on
mg_io_rval_dev_drv_master = (0x00 | mg_io_rval_dev_must_be_on),// Master
mg_io_rval_dev_drv_slave0 = (0x10 | mg_io_rval_dev_must_be_on),// Slave0
mg_io_rval_dev_drv_slave1 = (0x20 | mg_io_rval_dev_must_be_on),// Slave1
mg_io_rval_dev_drv_slave2 = (0x30 | mg_io_rval_dev_must_be_on),// Slave2
mg_io_rval_dev_lba_mode = (0x40 | mg_io_rval_dev_must_be_on)
} mg_io_type_rval_dev;
typedef enum _mg_io_type_cmd
{
mg_io_cmd_read =0x20,
mg_io_cmd_write =0x30,
mg_io_cmd_setmul =0xC6,
mg_io_cmd_readmul =0xC4,
mg_io_cmd_writemul =0xC5,
mg_io_cmd_idle =0x97,//0xE3
mg_io_cmd_idle_immediate =0x95,//0xE1
mg_io_cmd_setsleep =0x99,//0xE6
mg_io_cmd_stdby =0x96,//0xE2
mg_io_cmd_stdby_immediate =0x94,//0xE0
mg_io_cmd_identify =0xEC,
mg_io_cmd_set_feature =0xEF,
mg_io_cmd_confirm_write =0x3C,
mg_io_cmd_confirm_read =0x40,
mg_io_cmd_wakeup =0xC3
} mg_io_type_cmd;
#endif

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