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flash/nor/at91sam: implement flash bank deallocation for SAM series

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Microchip (former Atmel) SAM drivers allocate a struct per chip.

at91sam3, at91sam34:
Deallocate all chip structs from the list at once, on the first bank
deallocation.

at91samd and at91sam4l drivers do not handle more than one bank.
Convert them to simple driver_priv allocation and use
default_flash_free_driver_priv().

Change-Id: I49d7200f38a4568c7e12f306c27d1b1b72646736
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4416
Tested-by: jenkins
This commit is contained in:
Tomas Vanek
2018-02-15 10:18:37 +01:00
parent 66d924f787
commit a9fb0d07f0
4 changed files with 61 additions and 53 deletions
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17
src/flash/nor/at91sam4.c
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@@ -2514,6 +2514,22 @@ FLASH_BANK_COMMAND_HANDLER(sam4_flash_bank_command)
return ERROR_OK;
}
/**
* Remove all chips from the internal list without distingushing which one
* is owned by this bank. This simplification works only for one shot
* deallocation like current flash_free_all_banks()
*/
static void sam4_free_driver_priv(struct flash_bank *bank)
{
struct sam4_chip *chip = all_sam4_chips;
while (chip) {
struct sam4_chip *next = chip->next;
free(chip);
chip = next;
}
all_sam4_chips = NULL;
}
static int sam4_GetDetails(struct sam4_bank_private *pPrivate)
{
const struct sam4_chip_details *pDetails;
@@ -3194,4 +3210,5 @@ struct flash_driver at91sam4_flash = {
.auto_probe = sam4_auto_probe,
.erase_check = default_flash_blank_check,
.protect_check = sam4_protect_check,
.free_driver_priv = sam4_free_driver_priv,
};