arch/arm/mach-mvebu/sata.c

   1 /*
   2  * Copyright (C) 2016 Stefan Roese <sr@denx.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <ahci.h>
   9 #include <dm.h>
  10
  11 DECLARE_GLOBAL_DATA_PTR;
  12
  13 /*
  14  * Dummy implementation that can be overwritten by a board
  15  * specific function
  16  */
  17 __weak int board_ahci_enable(void)
  18 {
  19         return 0;
  20 }
  21
  22 #ifdef CONFIG_ARMADA_8K
  23 /* CP110 has different AHCI port addresses */
  24 void __iomem *ahci_port_base(void __iomem *base, u32 port)
  25 {
  26         return base + 0x10000 + (port * 0x10000);
  27 }
  28 #endif
  29
  30 static int mvebu_ahci_probe(struct udevice *dev)
  31 {
  32         /*
  33          * Board specific SATA / AHCI enable code, e.g. enable the
  34          * AHCI power or deassert reset
  35          */
  36         board_ahci_enable();
  37
  38         ahci_init(dev_get_addr_ptr(dev));
  39
  40         return 0;
  41 }
  42
  43 static const struct udevice_id mvebu_ahci_ids[] = {
  44         { .compatible = "marvell,armada-3700-ahci" },
  45         { .compatible = "marvell,armada-8k-ahci" },
  46         { }
  47 };
  48
  49 U_BOOT_DRIVER(ahci_mvebu_drv) = {
  50         .name           = "ahci_mvebu",
  51         .id             = UCLASS_AHCI,
  52         .of_match       = mvebu_ahci_ids,
  53         .probe          = mvebu_ahci_probe,
  54 };