Newer
Older
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
#include <common.h>
#include <config.h>
#include <watchdog.h>
#include <command.h>
#include <image.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
# include <pcmcia.h>
#endif
#ifdef CONFIG_STATUS_LED
# include <status_led.h>
#endif
#ifdef __PPC__
# define EIEIO __asm__ volatile ("eieio")
# define SYNC __asm__ volatile ("sync")
#else
# define EIEIO /* nothing */
# define SYNC /* nothing */
#endif
/* ------------------------------------------------------------------------- */
/* Current I/O Device */
static int curr_device = -1;
/* Current offset for IDE0 / IDE1 bus access */
ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
#if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
CONFIG_SYS_ATA_IDE0_OFFSET,
#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
CONFIG_SYS_ATA_IDE1_OFFSET,
static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
/* ------------------------------------------------------------------------- */
#ifdef CONFIG_IDE_RESET
static void ide_reset (void);
#else
#define ide_reset() /* dummy */
#endif
static void ide_ident (block_dev_desc_t *dev_desc);
static uchar ide_wait (int dev, ulong t);
#define IDE_TIME_OUT 2000 /* 2 sec timeout */
#define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
#ifndef CONFIG_SYS_ATA_PORT_ADDR
#define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
#ifdef CONFIG_ATAPI
static void atapi_inquiry(block_dev_desc_t *dev_desc);
static ulong atapi_read(int device, ulong blknr, lbaint_t blkcnt,
void *buffer);
#endif
/* ------------------------------------------------------------------------- */
int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
int rcode = 0;
switch (argc) {
case 0:
case 1:
return CMD_RET_USAGE;
case 2:
if (strncmp(argv[1], "res", 3) == 0) {
puts("\nReset IDE"
ide_init();
return 0;
} else if (strncmp(argv[1], "inf", 3) == 0) {
int i;
for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) {
if (ide_dev_desc[i].type == DEV_TYPE_UNKNOWN)
continue; /* list only known devices */
printf("IDE device %d: ", i);
dev_print(&ide_dev_desc[i]);
}
return 0;
} else if (strncmp(argv[1], "dev", 3) == 0) {
if ((curr_device < 0)
|| (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
puts("\nno IDE devices available\n");
return 1;
printf("\nIDE device %d: ", curr_device);
dev_print(&ide_dev_desc[curr_device]);
return 0;
} else if (strncmp(argv[1], "part", 4) == 0) {
int dev, ok;
for (ok = 0, dev = 0;
dev < CONFIG_SYS_IDE_MAXDEVICE;
++dev) {
if (ide_dev_desc[dev].part_type !=
PART_TYPE_UNKNOWN) {
++ok;
if (dev)
putc('\n');
print_part(&ide_dev_desc[dev]);
}
}
if (!ok) {
puts("\nno IDE devices available\n");
rcode++;
}
return rcode;
return CMD_RET_USAGE;
case 3:
if (strncmp(argv[1], "dev", 3) == 0) {
int dev = (int) simple_strtoul(argv[2], NULL, 10);
printf("\nIDE device %d: ", dev);
if (dev >= CONFIG_SYS_IDE_MAXDEVICE) {
puts("unknown device\n");
return 1;
}
dev_print(&ide_dev_desc[dev]);
/*ide_print (dev); */
if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
return 1;
puts("... is now current device\n");
return 0;
} else if (strncmp(argv[1], "part", 4) == 0) {
int dev = (int) simple_strtoul(argv[2], NULL, 10);
if (ide_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
} else {
printf("\nIDE device %d not available\n",
dev);
rcode = 1;
}
return rcode;
return CMD_RET_USAGE;
default:
/* at least 4 args */
if (strcmp(argv[1], "read") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
#ifdef CONFIG_SYS_64BIT_LBA
lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
printf("\nIDE read: device %d block # %lld, count %ld ... ",
curr_device, blk, cnt);
lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
printf("\nIDE read: device %d block # %ld, count %ld ... ",
Loading
Loading full blame...