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128 lines
2.7 KiB
128 lines
2.7 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (C) 2000-2005, DENX Software Engineering |
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* Wolfgang Denk <[email protected]> |
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* Copyright (C) Procsys. All rights reserved. |
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* Mushtaq Khan <[email protected]> |
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* <[email protected]> |
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* Copyright (C) 2008 Freescale Semiconductor, Inc. |
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* Dave Liu <[email protected]> |
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*/ |
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#include <common.h> |
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#include <ahci.h> |
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#include <dm.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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#include <dm/device-internal.h> |
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#include <dm/uclass-internal.h> |
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static int sata_curr_device = -1; |
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int sata_remove(int devnum) |
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{ |
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#ifdef CONFIG_AHCI |
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struct udevice *dev; |
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int rc; |
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rc = uclass_find_device(UCLASS_AHCI, devnum, &dev); |
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if (!rc && !dev) |
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rc = uclass_find_first_device(UCLASS_AHCI, &dev); |
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if (rc || !dev) { |
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printf("Cannot find SATA device %d (err=%d)\n", devnum, rc); |
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return CMD_RET_FAILURE; |
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} |
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rc = device_remove(dev, DM_REMOVE_NORMAL); |
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if (rc) { |
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printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name, |
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rc); |
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return CMD_RET_FAILURE; |
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} |
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return 0; |
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#else |
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return sata_stop(); |
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#endif |
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} |
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int sata_probe(int devnum) |
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{ |
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#ifdef CONFIG_AHCI |
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struct udevice *dev; |
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struct udevice *blk; |
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int rc; |
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rc = uclass_get_device(UCLASS_AHCI, devnum, &dev); |
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if (rc) |
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rc = uclass_find_first_device(UCLASS_AHCI, &dev); |
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if (rc) { |
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printf("Cannot probe SATA device %d (err=%d)\n", devnum, rc); |
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return CMD_RET_FAILURE; |
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} |
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rc = sata_scan(dev); |
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if (rc) { |
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printf("Cannot scan SATA device %d (err=%d)\n", devnum, rc); |
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return CMD_RET_FAILURE; |
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} |
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rc = blk_get_from_parent(dev, &blk); |
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if (!rc) { |
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struct blk_desc *desc = dev_get_uclass_platdata(blk); |
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if (desc->lba > 0 && desc->blksz > 0) |
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part_init(desc); |
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} |
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return 0; |
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#else |
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return sata_initialize() < 0 ? CMD_RET_FAILURE : CMD_RET_SUCCESS; |
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#endif |
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} |
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static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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int rc = 0; |
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if (argc >= 2) { |
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int devnum = 0; |
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if (argc == 3) |
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devnum = (int)simple_strtoul(argv[2], NULL, 10); |
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if (!strcmp(argv[1], "stop")) |
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return sata_remove(devnum); |
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if (!strcmp(argv[1], "init")) { |
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if (sata_curr_device != -1) { |
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rc = sata_remove(devnum); |
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if (rc) |
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return rc; |
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} |
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return sata_probe(devnum); |
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} |
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} |
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/* If the user has not yet run `sata init`, do it now */ |
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if (sata_curr_device == -1) { |
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rc = sata_probe(0); |
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if (rc) |
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return rc; |
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sata_curr_device = 0; |
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} |
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return blk_common_cmd(argc, argv, IF_TYPE_SATA, &sata_curr_device); |
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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 sub system", |
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"init - init SATA sub system\n" |
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"sata stop [dev] - disable SATA sub system or device\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" |
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);
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