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e8a016b537
All sata based drivers are bind and corresponding block device is created. Based on this find_scsi_device() is able to get back block device based on scsi_curr_dev pointer. intr_scsi() is commented now but it can be replaced by calling find_scsi_device() and scsi_scan(). scsi_dev_desc[] is commented out but common/scsi.c heavily depends on it. That's why CONFIG_SYS_SCSI_MAX_DEVICE is hardcoded to 1 and symbol is reassigned to a block description allocated by uclass. There is only one block description by device now but it doesn't need to be correct when more devices are present. scsi_bind() ensures corresponding block device creation. uclass post_probe (scsi_post_probe()) is doing low level init. SCSI/SATA DM based drivers requires to have 64bit base address as the first entry in platform data structure to setup mmio_base. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Simon Glass <sjg@chromium.org>
27 lines
507 B
C
27 lines
507 B
C
/*
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* Copyright (c) 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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* Copyright (c) 2016 Xilinx, Inc
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* Written by Michal Simek
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*
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* Based on ahci-uclass.c
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <scsi.h>
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static int scsi_post_probe(struct udevice *dev)
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{
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debug("%s: device %p\n", __func__, dev);
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scsi_low_level_init(0, dev);
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return 0;
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}
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UCLASS_DRIVER(scsi) = {
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.id = UCLASS_SCSI,
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.name = "scsi",
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.post_probe = scsi_post_probe,
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};
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