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https://github.com/AsahiLinux/u-boot
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c7057b529c
- add the SATA framework - add the SATA command line Signed-off-by: Dave Liu <daveliu@freescale.com>
193 lines
5.1 KiB
C
193 lines
5.1 KiB
C
/*
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* Copyright (C) 2000-2005, DENX Software Engineering
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* Wolfgang Denk <wd@denx.de>
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* Copyright (C) Procsys. All rights reserved.
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* Mushtaq Khan <mushtaq_k@procsys.com>
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* <mushtaqk_921@yahoo.co.in>
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* Copyright (C) 2008 Freescale Semiconductor, Inc.
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* Dave Liu <daveliu@freescale.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <part.h>
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#include <sata.h>
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int curr_device = -1;
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block_dev_desc_t sata_dev_desc[CFG_SATA_MAX_DEVICE];
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int sata_initialize(void)
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{
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int rc;
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int i;
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for (i = 0; i < CFG_SATA_MAX_DEVICE; i++) {
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memset(&sata_dev_desc[i], 0, sizeof(struct block_dev_desc));
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sata_dev_desc[i].if_type = IF_TYPE_SATA;
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sata_dev_desc[i].dev = i;
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sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
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sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
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sata_dev_desc[i].lba = 0;
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sata_dev_desc[i].blksz = 512;
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sata_dev_desc[i].block_read = sata_read;
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sata_dev_desc[i].block_write = sata_write;
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rc = init_sata(i);
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rc = scan_sata(i);
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if ((sata_dev_desc[i].lba > 0) && (sata_dev_desc[i].blksz > 0))
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init_part(&sata_dev_desc[i]);
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}
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curr_device = 0;
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return rc;
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}
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block_dev_desc_t *sata_get_dev(int dev)
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{
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return (dev < CFG_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
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}
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int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int rc = 0;
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switch (argc) {
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case 0:
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case 1:
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printf("Usage:\n%s\n", cmdtp->usage);
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return 1;
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case 2:
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if (strncmp(argv[1],"inf", 3) == 0) {
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int i;
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putc('\n');
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for (i = 0; i < CFG_SATA_MAX_DEVICE; ++i) {
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if (sata_dev_desc[i].type == DEV_TYPE_UNKNOWN)
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continue;
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printf ("SATA device %d: ", i);
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dev_print(&sata_dev_desc[i]);
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}
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return 0;
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} else if (strncmp(argv[1],"dev", 3) == 0) {
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if ((curr_device < 0) || (curr_device >= CFG_SATA_MAX_DEVICE)) {
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puts("\nno SATA devices available\n");
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return 1;
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}
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printf("\nSATA device %d: ", curr_device);
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dev_print(&sata_dev_desc[curr_device]);
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return 0;
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} else if (strncmp(argv[1],"part",4) == 0) {
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int dev, ok;
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for (ok = 0, dev = 0; dev < CFG_SATA_MAX_DEVICE; ++dev) {
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if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
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++ok;
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if (dev)
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putc ('\n');
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print_part(&sata_dev_desc[dev]);
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}
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}
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if (!ok) {
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puts("\nno SATA devices available\n");
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rc ++;
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}
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return rc;
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}
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printf("Usage:\n%s\n", cmdtp->usage);
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return 1;
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case 3:
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if (strncmp(argv[1], "dev", 3) == 0) {
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int dev = (int)simple_strtoul(argv[2], NULL, 10);
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printf("\nSATA device %d: ", dev);
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if (dev >= CFG_SATA_MAX_DEVICE) {
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puts ("unknown device\n");
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return 1;
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}
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dev_print(&sata_dev_desc[dev]);
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if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
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return 1;
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curr_device = dev;
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puts("... is now current device\n");
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return 0;
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} else if (strncmp(argv[1], "part", 4) == 0) {
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int dev = (int)simple_strtoul(argv[2], NULL, 10);
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if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
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print_part(&sata_dev_desc[dev]);
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} else {
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printf("\nSATA device %d not available\n", dev);
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rc = 1;
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}
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return rc;
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}
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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default: /* at least 4 args */
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if (strcmp(argv[1], "read") == 0) {
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ulong addr = simple_strtoul(argv[2], NULL, 16);
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ulong cnt = simple_strtoul(argv[4], NULL, 16);
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ulong n;
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lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
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printf("\nSATA read: device %d block # %ld, count %ld ... ",
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curr_device, blk, cnt);
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n = sata_read(curr_device, blk, cnt, (u32 *)addr);
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/* flush cache after read */
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flush_cache(addr, cnt * sata_dev_desc[curr_device].blksz);
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printf("%ld blocks read: %s\n",
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n, (n==cnt) ? "OK" : "ERROR");
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return (n == cnt) ? 0 : 1;
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} else if (strcmp(argv[1], "write") == 0) {
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ulong addr = simple_strtoul(argv[2], NULL, 16);
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ulong cnt = simple_strtoul(argv[4], NULL, 16);
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ulong n;
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lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
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printf("\nSATA write: device %d block # %ld, count %ld ... ",
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curr_device, blk, cnt);
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n = sata_write(curr_device, blk, cnt, (u32 *)addr);
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printf("%ld blocks written: %s\n",
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n, (n == cnt) ? "OK" : "ERROR");
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return (n == cnt) ? 0 : 1;
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} else {
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printf("Usage:\n%s\n", cmdtp->usage);
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rc = 1;
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}
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return rc;
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}
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}
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U_BOOT_CMD(
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sata, 5, 1, do_sata,
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"sata - SATA sub system\n",
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"sata info - show available SATA devices\n"
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"sata device [dev] - show or set current device\n"
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"sata part [dev] - print partition table\n"
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"sata read addr blk# cnt\n"
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"sata write addr blk# cnt\n");
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