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Merge tag 'video-for-2019.07-rc1' of git://git.denx.de/u-boot-video
[thirdparty/u-boot.git] / cmd / sata.c
CommitLineData
83d290c5 1// SPDX-License-Identifier: GPL-2.0+
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2/*
3 * Copyright (C) 2000-2005, DENX Software Engineering
4 * Wolfgang Denk <wd@denx.de>
5 * Copyright (C) Procsys. All rights reserved.
6 * Mushtaq Khan <mushtaq_k@procsys.com>
7 * <mushtaqk_921@yahoo.co.in>
8 * Copyright (C) 2008 Freescale Semiconductor, Inc.
9 * Dave Liu <daveliu@freescale.com>
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10 */
11
12#include <common.h>
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SG
13#include <ahci.h>
14#include <dm.h>
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15#include <command.h>
16#include <part.h>
17#include <sata.h>
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18#include <dm/device-internal.h>
19#include <dm/uclass-internal.h>
c7057b52 20
088f1b19 21static int sata_curr_device = -1;
c7057b52 22
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23int sata_remove(int devnum)
24{
25#ifdef CONFIG_AHCI
26 struct udevice *dev;
27 int rc;
28
29 rc = uclass_find_device(UCLASS_AHCI, devnum, &dev);
30 if (!rc && !dev)
31 rc = uclass_find_first_device(UCLASS_AHCI, &dev);
32 if (rc || !dev) {
33 printf("Cannot find SATA device %d (err=%d)\n", devnum, rc);
34 return CMD_RET_FAILURE;
35 }
36
37 rc = device_remove(dev, DM_REMOVE_NORMAL);
38 if (rc) {
39 printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name,
40 rc);
41 return CMD_RET_FAILURE;
42 }
43
44 return 0;
45#else
46 return sata_stop();
47#endif
48}
49
50int sata_probe(int devnum)
51{
52#ifdef CONFIG_AHCI
53 struct udevice *dev;
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54 int rc;
55
56 rc = uclass_get_device(UCLASS_AHCI, devnum, &dev);
57 if (rc)
58 rc = uclass_find_first_device(UCLASS_AHCI, &dev);
59 if (rc) {
60 printf("Cannot probe SATA device %d (err=%d)\n", devnum, rc);
61 return CMD_RET_FAILURE;
62 }
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MZ
63 if (!dev) {
64 printf("No SATA device found!\n");
65 return CMD_RET_FAILURE;
66 }
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67 rc = sata_scan(dev);
68 if (rc) {
69 printf("Cannot scan SATA device %d (err=%d)\n", devnum, rc);
70 return CMD_RET_FAILURE;
71 }
72
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73 return 0;
74#else
75 return sata_initialize() < 0 ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
76#endif
77}
78
088f1b19 79static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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80{
81 int rc = 0;
82
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83 if (argc >= 2) {
84 int devnum = 0;
85
86 if (argc == 3)
87 devnum = (int)simple_strtoul(argv[2], NULL, 10);
88 if (!strcmp(argv[1], "stop"))
89 return sata_remove(devnum);
d957c28a 90
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91 if (!strcmp(argv[1], "init")) {
92 if (sata_curr_device != -1) {
93 rc = sata_remove(devnum);
94 if (rc)
95 return rc;
96 }
d957c28a 97
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98 return sata_probe(devnum);
99 }
d957c28a 100 }
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101
102 /* If the user has not yet run `sata init`, do it now */
aa6ab905 103 if (sata_curr_device == -1) {
f19f1ecb 104 rc = sata_probe(0);
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105 if (rc)
106 return rc;
f19f1ecb 107 sata_curr_device = 0;
aa6ab905 108 }
cf7e399f 109
e29e71e9 110 return blk_common_cmd(argc, argv, IF_TYPE_SATA, &sata_curr_device);
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111}
112
113U_BOOT_CMD(
114 sata, 5, 1, do_sata,
2fb2604d 115 "SATA sub system",
85dafbb8 116 "init - init SATA sub system\n"
f19f1ecb 117 "sata stop [dev] - disable SATA sub system or device\n"
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118 "sata info - show available SATA devices\n"
119 "sata device [dev] - show or set current device\n"
120 "sata part [dev] - print partition table\n"
121 "sata read addr blk# cnt\n"
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WD
122 "sata write addr blk# cnt"
123);