X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fahci.h;h=fb96dd886115c77ddb103d3942e4c3356c06accc;hb=d181191e1215204d825db7837ed2c64a5196a734;hp=babbdc656fad2aafe8195ca92bff9fecbbf9719e;hpb=6acc7c3cbc05873d62118640cf964e9c9665804c;p=oweals%2Fu-boot.git diff --git a/include/ahci.h b/include/ahci.h index babbdc656f..fb96dd8861 100644 --- a/include/ahci.h +++ b/include/ahci.h @@ -1,26 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) Freescale Semiconductor, Inc. 2006. * Author: Jason Jin * Zhang Wei - * - * 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 - * */ #ifndef _AHCI_H_ #define _AHCI_H_ @@ -75,6 +57,10 @@ #define PORT_SCR_ERR 0x30 /* SATA phy register: SError */ #define PORT_SCR_ACT 0x34 /* SATA phy register: SActive */ +#ifdef CONFIG_SUNXI_AHCI +#define PORT_P0DMACR 0x70 /* SUNXI specific "DMA register" */ +#endif + /* PORT_IRQ_{STAT,MASK} bits */ #define PORT_IRQ_COLD_PRES (1 << 31) /* cold presence detect */ #define PORT_IRQ_TF_ERR (1 << 30) /* task file error */ @@ -104,6 +90,11 @@ | PORT_IRQ_DMAS_FIS | PORT_IRQ_PIOS_FIS \ | PORT_IRQ_D2H_REG_FIS +/* PORT_SCR_STAT bits */ +#define PORT_SCR_STAT_DET_MASK 0x3 +#define PORT_SCR_STAT_DET_COMINIT 0x1 +#define PORT_SCR_STAT_DET_PHYRDY 0x3 + /* PORT_CMD bits */ #define PORT_CMD_ATAPI (1 << 24) /* Device is ATAPI */ #define PORT_CMD_LIST_ON (1 << 15) /* cmd list DMA engine running */ @@ -120,29 +111,6 @@ #define AHCI_MAX_PORTS 32 -/* SETFEATURES stuff */ -#define SETFEATURES_XFER 0x03 -#define XFER_UDMA_7 0x47 -#define XFER_UDMA_6 0x46 -#define XFER_UDMA_5 0x45 -#define XFER_UDMA_4 0x44 -#define XFER_UDMA_3 0x43 -#define XFER_UDMA_2 0x42 -#define XFER_UDMA_1 0x41 -#define XFER_UDMA_0 0x40 -#define XFER_MW_DMA_2 0x22 -#define XFER_MW_DMA_1 0x21 -#define XFER_MW_DMA_0 0x20 -#define XFER_SW_DMA_2 0x12 -#define XFER_SW_DMA_1 0x11 -#define XFER_SW_DMA_0 0x10 -#define XFER_PIO_4 0x0C -#define XFER_PIO_3 0x0B -#define XFER_PIO_2 0x0A -#define XFER_PIO_1 0x09 -#define XFER_PIO_0 0x08 -#define XFER_PIO_SLOW 0x00 - #define ATA_FLAG_SATA (1 << 3) #define ATA_FLAG_NO_LEGACY (1 << 4) /* no legacy mode check */ #define ATA_FLAG_MMIO (1 << 6) /* use MMIO, not PIO */ @@ -166,23 +134,37 @@ struct ahci_sg { }; struct ahci_ioports { - u32 cmd_addr; - u32 scr_addr; - u32 port_mmio; + void __iomem *port_mmio; struct ahci_cmd_hdr *cmd_slot; struct ahci_sg *cmd_tbl_sg; - u32 cmd_tbl; + ulong cmd_tbl; u32 rx_fis; }; -struct ahci_probe_ent { +/** + * struct ahci_uc_priv - information about an AHCI controller + * + * When driver model is used, this is accessible using dev_get_uclass_priv(dev) + * where dev is the controller (although at present it sometimes stands alone). + */ +struct ahci_uc_priv { +#if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI) + /* + * TODO(sjg@chromium.org): Drop this once this structure is only used + * in a driver-model context (i.e. attached to a device with + * dev_get_uclass_priv() + */ + struct udevice *dev; +#else pci_dev_t dev; +#endif struct ahci_ioports port[AHCI_MAX_PORTS]; + u16 *ataid[AHCI_MAX_PORTS]; u32 n_ports; u32 hard_port_no; u32 host_flags; u32 host_set_flags; - u32 mmio_base; + void __iomem *mmio_base; u32 pio_mask; u32 udma_mask; u32 flags; @@ -191,6 +173,116 @@ struct ahci_probe_ent { u32 link_port_map; /*linkup port map*/ }; -int ahci_init(u32 base); +struct ahci_ops { + /** + * reset() - reset the controller + * + * @dev: Controller to reset + * @return 0 if OK, -ve on error + */ + int (*reset)(struct udevice *dev); + + /** + * port_status() - get the status of a SATA port + * + * @dev: Controller to reset + * @port: Port number to check (0 for first) + * @return 0 if detected, -ENXIO if nothing on port, other -ve on error + */ + int (*port_status)(struct udevice *dev, int port); + + /** + * scan() - scan SATA ports + * + * @dev: Controller to scan + * @return 0 if OK, -ve on error + */ + int (*scan)(struct udevice *dev); +}; + +#define ahci_get_ops(dev) ((struct ahci_ops *)(dev)->driver->ops) + +/** + * sata_reset() - reset the controller + * + * @dev: Controller to reset + * @return 0 if OK, -ve on error + */ +int sata_reset(struct udevice *dev); + +/** + * sata_port_status() - get the status of a SATA port + * + * @dev: Controller to reset + * @port: Port number to check (0 for first) + * @return 0 if detected, -ENXIO if nothin on port, other -ve on error + */ +int sata_dm_port_status(struct udevice *dev, int port); + +/** + * sata_scan() - scan SATA ports + * + * @dev: Controller to scan + * @return 0 if OK, -ve on error + */ +int sata_scan(struct udevice *dev); + +int ahci_init(void __iomem *base); +int ahci_reset(void __iomem *base); + +/** + * ahci_init_one_dm() - set up a single AHCI port + * + * @dev: Controller to init + */ +int ahci_init_one_dm(struct udevice *dev); + +/** + * ahci_start_ports_dm() - start all AHCI ports for a controller + * + * @dev: Controller containing ports to start + */ +int ahci_start_ports_dm(struct udevice *dev); + +/** + * ahci_init_dm() - init AHCI for a controller, finding all ports + * + * @dev: Device to init + */ +int ahci_init_dm(struct udevice *dev, void __iomem *base); + +/** + * ahci_bind_scsi() - bind a new SCSI bus as a child + * + * Note that the SCSI bus device will itself bind block devices + * + * @ahci_dev: AHCI parent device + * @devp: Returns new SCSI bus device + * @return 0 if OK, -ve on error + */ +int ahci_bind_scsi(struct udevice *ahci_dev, struct udevice **devp); + +/** + * ahci_probe_scsi() - probe and scan the attached SCSI bus + * + * Note that the SCSI device will itself bind block devices for any storage + * devices it finds. + * + * @ahci_dev: AHCI parent device + * @base: Base address of AHCI port + * @return 0 if OK, -ve on error + */ +int ahci_probe_scsi(struct udevice *ahci_dev, ulong base); + +/** + * ahci_probe_scsi_pci() - probe and scan the attached SCSI bus on PCI + * + * Note that the SCSI device will itself bind block devices for any storage + * devices it finds. + * + * @ahci_dev: AHCI parent device + * @return 0 if OK, -ve on error + */ +int ahci_probe_scsi_pci(struct udevice *ahci_dev); #endif