[people/ms/u-boot.git] / arch / arm / mach-mvebu / sata.c

/*
 * Copyright (C) 2016 Stefan Roese <sr@denx.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <ahci.h>
#include <dm.h>

DECLARE_GLOBAL_DATA_PTR;

/*
 * Dummy implementation that can be overwritten by a board
 * specific function
 */
__weak int board_ahci_enable(void)
{
	return 0;
}

#ifdef CONFIG_ARMADA_8K
/* CP110 has different AHCI port addresses */
void __iomem *ahci_port_base(void __iomem *base, u32 port)
{
	return base + 0x10000 + (port * 0x10000);
}
#endif

static int mvebu_ahci_probe(struct udevice *dev)
{
	/*
	 * Board specific SATA / AHCI enable code, e.g. enable the
	 * AHCI power or deassert reset
	 */
	board_ahci_enable();

	ahci_init(devfdt_get_addr_ptr(dev));

	return 0;
}

static const struct udevice_id mvebu_ahci_ids[] = {
	{ .compatible = "marvell,armada-3700-ahci" },
	{ .compatible = "marvell,armada-8k-ahci" },
	{ }
};

U_BOOT_DRIVER(ahci_mvebu_drv) = {
	.name		= "ahci_mvebu",
	.id		= UCLASS_AHCI,
	.of_match	= mvebu_ahci_ids,
	.probe		= mvebu_ahci_probe,
};
Commit	Line	Data
f61aefc1 SR	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
21b29fc6 SR	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
f61aefc1 SR	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
a821c4af	38	ahci_init(devfdt_get_addr_ptr(dev));
f61aefc1 SR	39
	40	return 0;
	41	}
	42
	43	static const struct udevice_id mvebu_ahci_ids[] = {
	44	{ .compatible = "marvell,armada-3700-ahci" },
21b29fc6	45	{ .compatible = "marvell,armada-8k-ahci" },
f61aefc1 SR	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	};