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author | Tom Rini <trini@konsulko.com> | 2015-04-23 17:53:09 (GMT) |
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committer | Tom Rini <trini@konsulko.com> | 2015-04-23 18:56:10 (GMT) |
commit | 5f757cdcc6efbefec09b8f964a234f84ff9fa7f6 (patch) | |
tree | e8058651bd0319757d33fb7a949b9491211de7c7 /include | |
parent | bba97cd2c96ae0c21ad916a9c4eb363fe569a2f9 (diff) | |
parent | f3d46bd658ef4df575ec26c29e472ac858723159 (diff) | |
download | u-boot-fsl-qoriq-5f757cdcc6efbefec09b8f964a234f84ff9fa7f6.tar.xz |
Merge branch 'master' of git://git.denx.de/u-boot-dm
Diffstat (limited to 'include')
-rw-r--r-- | include/config_uncmd_spl.h | 1 | ||||
-rw-r--r-- | include/dm/device.h | 38 | ||||
-rw-r--r-- | include/dm/test.h | 20 | ||||
-rw-r--r-- | include/dm/uclass-internal.h | 108 | ||||
-rw-r--r-- | include/dm/uclass.h | 19 | ||||
-rw-r--r-- | include/fdtdec.h | 16 | ||||
-rw-r--r-- | include/malloc.h | 3 | ||||
-rw-r--r-- | include/vsprintf.h | 23 |
8 files changed, 203 insertions, 25 deletions
diff --git a/include/config_uncmd_spl.h b/include/config_uncmd_spl.h index a9106f4..38cb0e8 100644 --- a/include/config_uncmd_spl.h +++ b/include/config_uncmd_spl.h @@ -31,6 +31,7 @@ #undef CONFIG_DM_WARN #undef CONFIG_DM_DEVICE_REMOVE +#undef CONFIG_DM_SEQ_ALIAS #undef CONFIG_DM_STDIO #endif /* CONFIG_SPL_BUILD */ diff --git a/include/dm/device.h b/include/dm/device.h index c11342c..18296bb 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -30,8 +30,11 @@ struct driver_info; /* DM is responsible for allocating and freeing parent_platdata */ #define DM_FLAG_ALLOC_PARENT_PDATA (1 << 3) +/* DM is responsible for allocating and freeing uclass_platdata */ +#define DM_FLAG_ALLOC_UCLASS_PDATA (1 << 4) + /* Allocate driver private data on a DMA boundary */ -#define DM_FLAG_ALLOC_PRIV_DMA (1 << 4) +#define DM_FLAG_ALLOC_PRIV_DMA (1 << 5) /** * struct udevice - An instance of a driver @@ -54,6 +57,7 @@ struct driver_info; * @name: Name of device, typically the FDT node name * @platdata: Configuration data for this device * @parent_platdata: The parent bus's configuration data for this device + * @uclass_platdata: The uclass's configuration data for this device * @of_offset: Device tree node offset for this device (- for none) * @driver_data: Driver data word for the entry that matched this device with * its driver @@ -75,6 +79,7 @@ struct udevice { const char *name; void *platdata; void *parent_platdata; + void *uclass_platdata; int of_offset; ulong driver_data; struct udevice *parent; @@ -210,6 +215,16 @@ void *dev_get_platdata(struct udevice *dev); void *dev_get_parent_platdata(struct udevice *dev); /** + * dev_get_uclass_platdata() - Get the uclass platform data for a device + * + * This checks that dev is not NULL, but no other checks for now + * + * @dev Device to check + * @return uclass's platform data, or NULL if none + */ +void *dev_get_uclass_platdata(struct udevice *dev); + +/** * dev_get_parentdata() - Get the parent data for a device * * The parent data is data stored in the device but owned by the parent. @@ -265,6 +280,17 @@ void *dev_get_uclass_priv(struct udevice *dev); */ ulong dev_get_driver_data(struct udevice *dev); +/** + * dev_get_driver_ops() - get the device's driver's operations + * + * This checks that dev is not NULL, and returns the pointer to device's + * driver's operations. + * + * @dev: Device to check + * @return void pointer to driver's operations or NULL for NULL-dev or NULL-ops + */ +const void *dev_get_driver_ops(struct udevice *dev); + /* * device_get_uclass_id() - return the uclass ID of a device * @@ -273,6 +299,16 @@ ulong dev_get_driver_data(struct udevice *dev); */ enum uclass_id device_get_uclass_id(struct udevice *dev); +/* + * dev_get_uclass_name() - return the uclass name of a device + * + * This checks that dev is not NULL. + * + * @dev: Device to check + * @return pointer to the uclass name for the device + */ +const char *dev_get_uclass_name(struct udevice *dev); + /** * device_get_child() - Get the child of a device by index * diff --git a/include/dm/test.h b/include/dm/test.h index 9c4b8d3..f03fbcb 100644 --- a/include/dm/test.h +++ b/include/dm/test.h @@ -98,6 +98,26 @@ struct dm_test_parent_data { int flag; }; +/* Test values for test device's uclass platform data */ +enum { + TEST_UC_PDATA_INTVAL1 = 2, + TEST_UC_PDATA_INTVAL2 = 334, + TEST_UC_PDATA_INTVAL3 = 789452, +}; + +/** + * struct dm_test_uclass_platda - uclass's information on each device + * + * @intval1: set to TEST_UC_PDATA_INTVAL1 in .post_bind method of test uclass + * @intval2: set to TEST_UC_PDATA_INTVAL2 in .post_bind method of test uclass + * @intval3: set to TEST_UC_PDATA_INTVAL3 in .post_bind method of test uclass + */ +struct dm_test_perdev_uc_pdata { + int intval1; + int intval2; + int intval3; +}; + /* * Operation counts for the test driver, used to check that each method is * called correctly diff --git a/include/dm/uclass-internal.h b/include/dm/uclass-internal.h index ae2a93d..9b68508 100644 --- a/include/dm/uclass-internal.h +++ b/include/dm/uclass-internal.h @@ -11,12 +11,25 @@ #define _DM_UCLASS_INTERNAL_H /** + * uclass_get_device_tail() - handle the end of a get_device call + * + * This handles returning an error or probing a device as needed. + * + * @dev: Device that needs to be probed + * @ret: Error to return. If non-zero then the device is not probed + * @devp: Returns the value of 'dev' if there is no error + * @return ret, if non-zero, else the result of the device_probe() call + */ +int uclass_get_device_tail(struct udevice *dev, int ret, struct udevice **devp); + +/** * uclass_find_device() - Return n-th child of uclass * @id: Id number of the uclass * @index: Position of the child in uclass's list * #devp: Returns pointer to device, or NULL on error * - * The device is not prepared for use - this is an internal function + * The device is not prepared for use - this is an internal function. + * The function uclass_get_device_tail() can be used to probe the device. * * @return the uclass pointer of a child at the given index or * return NULL on error. @@ -24,6 +37,68 @@ int uclass_find_device(enum uclass_id id, int index, struct udevice **devp); /** + * uclass_find_first_device() - Return the first device in a uclass + * @id: Id number of the uclass + * #devp: Returns pointer to device, or NULL on error + * + * The device is not prepared for use - this is an internal function. + * The function uclass_get_device_tail() can be used to probe the device. + * + * @return 0 if OK (found or not found), -1 on error + */ +int uclass_find_first_device(enum uclass_id id, struct udevice **devp); + +/** + * uclass_find_next_device() - Return the next device in a uclass + * @devp: On entry, pointer to device to lookup. On exit, returns pointer + * to the next device in the same uclass, or NULL if none + * + * The device is not prepared for use - this is an internal function. + * The function uclass_get_device_tail() can be used to probe the device. + * + * @return 0 if OK (found or not found), -1 on error + */ +int uclass_find_next_device(struct udevice **devp); + +/** + * uclass_find_device_by_name() - Find uclass device based on ID and name + * + * This searches for a device with the exactly given name. + * + * The device is NOT probed, it is merely returned. + * + * @id: ID to look up + * @name: name of a device to find + * @devp: Returns pointer to device (the first one with the name) + * @return 0 if OK, -ve on error + */ +int uclass_find_device_by_name(enum uclass_id id, const char *name, + struct udevice **devp); + +/** + * uclass_find_device_by_seq() - Find uclass device based on ID and sequence + * + * This searches for a device with the given seq or req_seq. + * + * For seq, if an active device has this sequence it will be returned. + * If there is no such device then this will return -ENODEV. + * + * For req_seq, if a device (whether activated or not) has this req_seq + * value, that device will be returned. This is a strong indication that + * the device will receive that sequence when activated. + * + * The device is NOT probed, it is merely returned. + * + * @id: ID to look up + * @seq_or_req_seq: Sequence number to find (0=first) + * @find_req_seq: true to find req_seq, false to find seq + * @devp: Returns pointer to device (there is only one per for each seq) + * @return 0 if OK, -ve on error + */ +int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq, + bool find_req_seq, struct udevice **devp); + +/** * uclass_bind_device() - Associate device with a uclass * * Connect the device into uclass's list of devices. @@ -41,7 +116,11 @@ int uclass_bind_device(struct udevice *dev); * @dev: Pointer to the device * #return 0 on success, -ve on error */ +#ifdef CONFIG_DM_DEVICE_REMOVE int uclass_unbind_device(struct udevice *dev); +#else +static inline int uclass_unbind_device(struct udevice *dev) { return 0; } +#endif /** * uclass_pre_probe_device() - Deal with a device that is about to be probed @@ -74,7 +153,11 @@ int uclass_post_probe_device(struct udevice *dev); * @dev: Pointer to the device * #return 0 on success, -ve on error */ +#ifdef CONFIG_DM_DEVICE_REMOVE int uclass_pre_remove_device(struct udevice *dev); +#else +static inline int uclass_pre_remove_device(struct udevice *dev) { return 0; } +#endif /** * uclass_find() - Find uclass by its id @@ -94,27 +177,4 @@ struct uclass *uclass_find(enum uclass_id key); */ int uclass_destroy(struct uclass *uc); -/** - * uclass_find_device_by_seq() - Find uclass device based on ID and sequence - * - * This searches for a device with the given seq or req_seq. - * - * For seq, if an active device has this sequence it will be returned. - * If there is no such device then this will return -ENODEV. - * - * For req_seq, if a device (whether activated or not) has this req_seq - * value, that device will be returned. This is a strong indication that - * the device will receive that sequence when activated. - * - * The device is NOT probed, it is merely returned. - * - * @id: ID to look up - * @seq_or_req_seq: Sequence number to find (0=first) - * @find_req_seq: true to find req_seq, false to find seq - * @devp: Returns pointer to device (there is only one per for each seq) - * @return 0 if OK, -ve on error - */ -int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq, - bool find_req_seq, struct udevice **devp); - #endif diff --git a/include/dm/uclass.h b/include/dm/uclass.h index d57d804..4cfc0df 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -65,6 +65,9 @@ struct udevice; * @per_device_auto_alloc_size: Each device can hold private data owned * by the uclass. If required this will be automatically allocated if this * value is non-zero. + * @per_device_platdata_auto_alloc_size: Each device can hold platform data + * owned by the uclass as 'dev->uclass_platdata'. If the value is non-zero, + * then this will be automatically allocated. * @per_child_auto_alloc_size: Each child device (of a parent in this * uclass) can hold parent data for the device/uclass. This value is only * used as a falback if this member is 0 in the driver. @@ -90,6 +93,7 @@ struct uclass_driver { int (*destroy)(struct uclass *class); int priv_auto_alloc_size; int per_device_auto_alloc_size; + int per_device_platdata_auto_alloc_size; int per_child_auto_alloc_size; int per_child_platdata_auto_alloc_size; const void *ops; @@ -126,6 +130,21 @@ int uclass_get(enum uclass_id key, struct uclass **ucp); int uclass_get_device(enum uclass_id id, int index, struct udevice **devp); /** + * uclass_get_device_by_name() - Get a uclass device by it's name + * + * This searches the devices in the uclass for one with the exactly given name. + * + * The device is probed to activate it ready for use. + * + * @id: ID to look up + * @name: name of a device to get + * @devp: Returns pointer to device (the first one with the name) + * @return 0 if OK, -ve on error + */ +int uclass_get_device_by_name(enum uclass_id id, const char *name, + struct udevice **devp); + +/** * uclass_get_device_by_seq() - Get a uclass device based on an ID and sequence * * If an active device has this sequence it will be returned. If there is no diff --git a/include/fdtdec.h b/include/fdtdec.h index d14e06a..6590470 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -41,6 +41,16 @@ struct fdt_memory { fdt_addr_t end; }; +#ifdef CONFIG_OF_CONTROL +# if defined(CONFIG_SPL_BUILD) && defined(SPL_DISABLE_OF_CONTROL) +# define OF_CONTROL 0 +# else +# define OF_CONTROL 1 +# endif +#else +# define OF_CONTROL 0 +#endif + /* * Information about a resource. start is the first address of the resource * and end is the last address (inclusive). The length of the resource will @@ -793,4 +803,10 @@ int fdt_get_named_resource(const void *fdt, int node, const char *property, int fdtdec_decode_memory_region(const void *blob, int node, const char *mem_type, const char *suffix, fdt_addr_t *basep, fdt_size_t *sizep); + +/** + * Set up the device tree ready for use + */ +int fdtdec_setup(void); + #endif diff --git a/include/malloc.h b/include/malloc.h index 5df6348..f4da9e6 100644 --- a/include/malloc.h +++ b/include/malloc.h @@ -906,6 +906,9 @@ void *realloc_simple(void *ptr, size_t size); #endif +/* Set up pre-relocation malloc() ready for use */ +int initf_malloc(void); + /* Public routines */ /* Simple versions which can be used when space is tight */ diff --git a/include/vsprintf.h b/include/vsprintf.h index 5624482..09c8abd 100644 --- a/include/vsprintf.h +++ b/include/vsprintf.h @@ -39,10 +39,33 @@ int strict_strtoul(const char *cp, unsigned int base, unsigned long *res); unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base); long simple_strtol(const char *cp, char **endp, unsigned int base); + +/** + * panic() - Print a message and reset/hang + * + * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is + * defined, then it will hang instead of reseting. + * + * @param fmt: printf() format string for message, which should not include + * \n, followed by arguments + */ void panic(const char *fmt, ...) __attribute__ ((format (__printf__, 1, 2), noreturn)); /** + * panic_str() - Print a message and reset/hang + * + * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is + * defined, then it will hang instead of reseting. + * + * This function can be used instead of panic() when your board does not + * already use printf(), * to keep code size small. + * + * @param fmt: string to display, which should not include \n + */ +void panic_str(const char *str) __attribute__ ((noreturn)); + +/** * Format a string and place it in a buffer * * @param buf The buffer to place the result into |