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https://github.com/AsahiLinux/u-boot
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1e94b46f73
This old patch was marked as deferred. Bring it back to life, to continue towards the removal of common.h Move this out of the common header and include it only where needed. Signed-off-by: Simon Glass <sjg@chromium.org>
104 lines
2.1 KiB
C
104 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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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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#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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#ifdef CONFIG_ARCH_OMAP2PLUS
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#include <asm/arch/sata.h>
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#endif
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#include <asm/io.h>
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#include <generic-phy.h>
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#include <linux/printk.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_of_to_plat(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(dev_read_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_debug("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_debug("unable to power on the sata phy\n");
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return ret;
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}
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#ifdef CONFIG_ARCH_OMAP2PLUS
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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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#endif
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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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.of_to_plat = dwc_ahci_of_to_plat,
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.ops = &scsi_ops,
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.probe = dwc_ahci_probe,
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.priv_auto = sizeof(struct dwc_ahci_priv),
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};
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