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https://github.com/brain-hackers/u-boot-brain
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f6ab5a92ac
The SCSI uclass currently has no operations. It just uses the global SCSI functions. Fix this by adding operations to the only two drivers that use the uclass, and replacing the global functions with those defined locally in the SCSI code. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
106 lines
2.2 KiB
C
106 lines
2.2 KiB
C
/*
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* DWC SATA platform driver
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*
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* (C) Copyright 2016
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* Texas Instruments Incorporated, <www.ti.com>
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*
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* Author: Mugunthan V N <mugunthanvnm@ti.com>
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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 <ahci.h>
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#include <scsi.h>
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#include <sata.h>
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#include <asm/arch/sata.h>
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#include <asm/io.h>
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#include <generic-phy.h>
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DECLARE_GLOBAL_DATA_PTR;
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struct dwc_ahci_priv {
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void *base;
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void *wrapper_base;
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};
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static int dwc_ahci_ofdata_to_platdata(struct udevice *dev)
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{
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struct dwc_ahci_priv *priv = dev_get_priv(dev);
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struct scsi_platdata *plat = dev_get_uclass_platdata(dev);
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fdt_addr_t addr;
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plat->max_id = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev),
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"max-id", CONFIG_SYS_SCSI_MAX_SCSI_ID);
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plat->max_lun = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev),
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"max-lun", CONFIG_SYS_SCSI_MAX_LUN);
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priv->base = map_physmem(devfdt_get_addr(dev), sizeof(void *),
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MAP_NOCACHE);
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addr = devfdt_get_addr_index(dev, 1);
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if (addr != FDT_ADDR_T_NONE) {
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priv->wrapper_base = map_physmem(addr, sizeof(void *),
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MAP_NOCACHE);
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} else {
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priv->wrapper_base = NULL;
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}
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return 0;
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}
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static int dwc_ahci_probe(struct udevice *dev)
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{
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struct dwc_ahci_priv *priv = dev_get_priv(dev);
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int ret;
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struct phy phy;
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ret = generic_phy_get_by_name(dev, "sata-phy", &phy);
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if (ret) {
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error("can't get the phy from DT\n");
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return ret;
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}
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ret = generic_phy_init(&phy);
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if (ret) {
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error("unable to initialize the sata phy\n");
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return ret;
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}
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ret = generic_phy_power_on(&phy);
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if (ret) {
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error("unable to power on the sata phy\n");
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return ret;
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}
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if (priv->wrapper_base) {
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u32 val = TI_SATA_IDLE_NO | TI_SATA_STANDBY_NO;
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/* Enable SATA module, No Idle, No Standby */
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writel(val, priv->wrapper_base + TI_SATA_SYSCONFIG);
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}
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ret = ahci_init_dm(dev, priv->base);
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if (ret)
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return ret;
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return achi_start_ports_dm(dev);
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}
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static const struct udevice_id dwc_ahci_ids[] = {
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{ .compatible = "snps,dwc-ahci" },
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{ }
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};
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U_BOOT_DRIVER(dwc_ahci) = {
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.name = "dwc_ahci",
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.id = UCLASS_SCSI,
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.of_match = dwc_ahci_ids,
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.ofdata_to_platdata = dwc_ahci_ofdata_to_platdata,
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.ops = &scsi_ops,
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.probe = dwc_ahci_probe,
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.priv_auto_alloc_size = sizeof(struct dwc_ahci_priv),
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.flags = DM_FLAG_ALLOC_PRIV_DMA,
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};
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