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dm: sata: Update the AHCI uclass to support operations

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At present the AHCI uclass is just a shell and we still use the global
functions to access SATA. Fix this by adding operations to the uclass.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2017-07-29 11:35:15 -06:00
committed by Jaehoon Chung
parent 7e0712b26e
commit b8341f1c39
2 changed files with 91 additions and 0 deletions
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54
include/ahci.h
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@@ -176,6 +176,60 @@ struct ahci_uc_priv {
u32 link_port_map; /*linkup port map*/
};
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);