/*
- * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
+ * Copyright (C) Freescale Semiconductor, Inc. 2006.
* Author: Jason Jin<Jason.jin@freescale.com>
* Zhang Wei<wei.zhang@freescale.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _AHCI_H_
#define _AHCI_H_
+#include <pci.h>
+
#define AHCI_PCI_BAR 0x24
#define AHCI_MAX_SG 56 /* hardware max is 64K */
#define AHCI_CMD_SLOT_SZ 32
+#define AHCI_MAX_CMD_SLOT 32
#define AHCI_RX_FIS_SZ 256
#define AHCI_CMD_TBL_HDR 0x80
#define AHCI_CMD_TBL_CDB 0x40
#define AHCI_CMD_TBL_SZ AHCI_CMD_TBL_HDR + (AHCI_MAX_SG * 16)
-#define AHCI_PORT_PRIV_DMA_SZ AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_SZ \
- + AHCI_RX_FIS_SZ
+#define AHCI_PORT_PRIV_DMA_SZ (AHCI_CMD_SLOT_SZ * AHCI_MAX_CMD_SLOT + \
+ AHCI_CMD_TBL_SZ + AHCI_RX_FIS_SZ)
#define AHCI_CMD_ATAPI (1 << 5)
#define AHCI_CMD_WRITE (1 << 6)
#define AHCI_CMD_PREFETCH (1 << 7)
#define HOST_IRQ_STAT 0x08 /* interrupt status */
#define HOST_PORTS_IMPL 0x0c /* bitmap of implemented ports */
#define HOST_VERSION 0x10 /* AHCI spec. version compliancy */
+#define HOST_CAP2 0x24 /* host capabilities, extended */
/* HOST_CTL bits */
#define HOST_RESET (1 << 0) /* reset controller; self-clear */
#define PORT_IRQ_PIOS_FIS (1 << 1) /* PIO Setup FIS rx'd */
#define PORT_IRQ_D2H_REG_FIS (1 << 0) /* D2H Register FIS rx'd */
-#define PORT_IRQ_FATAL PORT_IRQ_TF_ERR | PORT_IRQ_HBUS_ERR \
+#define PORT_IRQ_FATAL PORT_IRQ_TF_ERR | PORT_IRQ_HBUS_ERR \
| PORT_IRQ_HBUS_DATA_ERR | PORT_IRQ_IF_ERR
-#define DEF_PORT_IRQ PORT_IRQ_FATAL | PORT_IRQ_PHYRDY \
- | PORT_IRQ_CONNECT | PORT_IRQ_SG_DONE \
- | PORT_IRQ_UNK_FIS | PORT_IRQ_SDB_FIS \
+#define DEF_PORT_IRQ PORT_IRQ_FATAL | PORT_IRQ_PHYRDY \
+ | PORT_IRQ_CONNECT | PORT_IRQ_SG_DONE \
+ | PORT_IRQ_UNK_FIS | PORT_IRQ_SDB_FIS \
| PORT_IRQ_DMAS_FIS | PORT_IRQ_PIOS_FIS \
| PORT_IRQ_D2H_REG_FIS
};
struct ahci_probe_ent {
- pci_dev_t dev;
+ pci_dev_t dev;
struct ahci_ioports port[AHCI_MAX_PORTS];
u32 n_ports;
u32 hard_port_no;
u32 link_port_map; /*linkup port map*/
};
+int ahci_init(u32 base);
+
#endif