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 */
board_ahci_enable(void)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 */
ahci_port_base(void __iomem * base,u32 port)24 void __iomem *ahci_port_base(void __iomem *base, u32 port)
25 {
26 return base + 0x10000 + (port * 0x10000);
27 }
28 #endif
29
mvebu_ahci_probe(struct udevice * dev)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(devfdt_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 };
55