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  • /*
     * Copyright (C) 2000-2005, DENX Software Engineering
     *		Wolfgang Denk <wd@denx.de>
     * Copyright (C) Procsys. All rights reserved.
     *		Mushtaq Khan <mushtaq_k@procsys.com>
     *			<mushtaqk_921@yahoo.co.in>
     * Copyright (C) 2008 Freescale Semiconductor, Inc.
     *		Dave Liu <daveliu@freescale.com>
     *
    
     * SPDX-License-Identifier:	GPL-2.0+
    
     */
    
    #include <common.h>
    #include <command.h>
    #include <part.h>
    #include <sata.h>
    
    
    static int sata_curr_device = -1;
    
    static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
    
    	if (argc == 2 && strcmp(argv[1], "stop") == 0)
    		return sata_stop();
    
    	if (argc == 2 && strcmp(argv[1], "init") == 0) {
    		if (sata_curr_device != -1)
    			sata_stop();
    
    
    		return sata_initialize();
    
    
    	/* If the user has not yet run `sata init`, do it now */
    
    	if (sata_curr_device == -1)
    
    		if (sata_initialize())
    			return 1;
    
    
    	switch (argc) {
    	case 0:
    	case 1:
    
    		if (strncmp(argv[1], "inf", 3) == 0) {
    
    			blk_list_devices(IF_TYPE_SATA);
    
    			return 0;
    
    		} else if (strncmp(argv[1], "dev", 3) == 0) {
    
    			if (blk_print_device_num(IF_TYPE_SATA,
    						 sata_curr_device)) {
    				printf("\nno SATA devices available\n");
    				return CMD_RET_FAILURE;
    
    		} else if (strncmp(argv[1], "part", 4) == 0) {
    
    			if (blk_list_part(IF_TYPE_SATA))
    
    				puts("\nno SATA devices available\n");
    
    	case 3:
    		if (strncmp(argv[1], "dev", 3) == 0) {
    			int dev = (int)simple_strtoul(argv[2], NULL, 10);
    
    
    			if (!blk_show_device(IF_TYPE_SATA, dev)) {
    				sata_curr_device = dev;
    				printf("... is now current device\n");
    			} else {
    				return CMD_RET_FAILURE;
    
    			}
    			return 0;
    		} else if (strncmp(argv[1], "part", 4) == 0) {
    			int dev = (int)simple_strtoul(argv[2], NULL, 10);
    
    
    			if (blk_print_part_devnum(IF_TYPE_SATA, dev)) {
    				printf("\nSATA device %d not available\n",
    				       dev);
    				return CMD_RET_FAILURE;
    
    
    	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;
    			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
    
    			printf("\nSATA read: device %d block # %ld, count %ld ... ",
    
    				sata_curr_device, blk, cnt);
    
    			n = blk_read_devnum(IF_TYPE_SATA, sata_curr_device, blk,
    					    cnt, (ulong *)addr);
    
    
    			printf("%ld blocks read: %s\n",
    				n, (n==cnt) ? "OK" : "ERROR");
    			return (n == cnt) ? 0 : 1;
    		} else if (strcmp(argv[1], "write") == 0) {
    			ulong addr = simple_strtoul(argv[2], NULL, 16);
    			ulong cnt = simple_strtoul(argv[4], NULL, 16);
    			ulong n;
    
    			lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
    
    			printf("\nSATA write: device %d block # %ld, count %ld ... ",
    
    				sata_curr_device, blk, cnt);
    
    			n = blk_write_devnum(IF_TYPE_SATA, sata_curr_device,
    					     blk, cnt, (ulong *)addr);
    
    
    			printf("%ld blocks written: %s\n",
    				n, (n == cnt) ? "OK" : "ERROR");
    			return (n == cnt) ? 0 : 1;
    		} else {
    
    		}
    
    		return rc;
    	}
    }
    
    U_BOOT_CMD(
    	sata, 5, 1, do_sata,
    
    Peter Tyser's avatar
    Peter Tyser committed
    	"SATA sub system",
    
    	"init - init SATA sub system\n"
    
    	"sata stop - disable SATA sub system\n"
    
    	"sata info - show available SATA devices\n"
    	"sata device [dev] - show or set current device\n"
    	"sata part [dev] - print partition table\n"
    	"sata read addr blk# cnt\n"
    
    	"sata write addr blk# cnt"
    );