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stm32: add stm32 xl family flash support

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Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
This commit is contained in:
Spencer Oliver
2010-12-22 17:20:11 +00:00
parent 83e5aaf577
commit 3d834bdab7
3 changed files with 57 additions and 3 deletions
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46
src/flash/nor/stm32x.c
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@@ -905,6 +905,34 @@ static int stm32x_probe(struct flash_bank *bank)
num_pages = 128;
}
}
else if ((device_id & 0x7ff) == 0x430)
{
/* xl line density - we have 2k pages
* 2 pages for a protection area */
page_size = 2048;
stm32x_info->ppage_size = 2;
/* check for early silicon */
if (num_pages == 0xffff)
{
/* number of sectors may be incorrrect on early silicon */
LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 1024k flash");
num_pages = 1024;
}
/* split reported size into matching bank */
if (bank->base != 0x08080000)
{
/* bank 0 will be fixed 512k */
num_pages = 512;
}
else
{
num_pages -= 512;
/* bank1 also uses a register offset */
stm32x_info->register_offset = 0x40;
}
}
else
{
LOG_WARNING("Cannot identify target as a STM32 family.");
@@ -922,7 +950,6 @@ static int stm32x_probe(struct flash_bank *bank)
bank->sectors = NULL;
}
bank->base = 0x08000000;
bank->size = (num_pages * page_size);
bank->num_sectors = num_pages;
bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
@@ -1075,6 +1102,23 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
break;
}
}
else if ((device_id & 0x7ff) == 0x430)
{
printed = snprintf(buf, buf_size, "stm32x (XL) - Rev: ");
buf += printed;
buf_size -= printed;
switch (device_id >> 16)
{
case 0x1000:
snprintf(buf, buf_size, "A");
break;
default:
snprintf(buf, buf_size, "unknown");
break;
}
}
else
{
snprintf(buf, buf_size, "Cannot identify target as a stm32x\n");