mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-11 21:56:21 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
101 lines
2.0 KiB
C
101 lines
2.0 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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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_bind(struct udevice *dev)
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{
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struct udevice *scsi_dev;
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return ahci_bind_scsi(dev, &scsi_dev);
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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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fdt_addr_t addr;
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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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pr_err("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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pr_err("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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pr_err("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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return ahci_probe_scsi(dev, (ulong)priv->base);
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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_AHCI,
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.of_match = dwc_ahci_ids,
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.bind = dwc_ahci_bind,
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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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};
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