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allow flash/nand banks commands to accept names

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Add get_flash_bank_by_name (and get_nand_device_by_name) helpers
to retrieves struct flash_bank * (struct nand_device *) given a
driver name and an (optional) driver-specific bank index.

These are used to extend flash_command_get_bank_by_num (and
nand_command_get_device_by_num) to allow all flash (nand) commands to
reference defined banks by name, not just by number.

To avoid some code duplication, add the flash/common.[ch] files to hold
functionality common to both types driver.  The first two methods are
helpers for the above routines to find a bank specified by a "name" or
"name.index" string.  get_flash_name_index() finds the '.index' portion,
while flash_driver_name_matches() performs the string portion matching.
This commit is contained in:
Zachary T Welch
2009-11-17 13:04:49 -08:00
parent 8f446fcf67
commit 870b8c0455
7 changed files with 154 additions and 4 deletions
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9
src/flash/nand.h
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@@ -212,6 +212,15 @@ enum oob_formats
};
/**
* Returns the flash bank specified by @a name, which matches the
* driver name and a suffix (option) specify the driver-specific
* bank number. The suffix consists of the '.' and the driver-specific
* bank number: when two davinci banks are defined, then 'davinci.1' refers
* to the second (e.g. DM355EVM).
*/
struct nand_device *get_nand_device_by_name(const char *name);
struct nand_device *get_nand_device_by_num(int num);
int nand_read_page_raw(struct nand_device *nand, uint32_t page,