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stm32: add stm32 xl family flash support 

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
View File

@ -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");

8
tcl/target/stm32.cfg
View File

@ -52,18 +52,22 @@ if { [info exists BSTAPID ] } {
set _BSTAPID4 0x06414041
# Connectivity line devices, Rev A and Rev Z
set _BSTAPID5 0x06418041
# XL line devices, Rev A
set _BSTAPID6 0x06430041
}
jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
-expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
-expected-id $_BSTAPID4 -expected-id $_BSTAPID5
-expected-id $_BSTAPID4 -expected-id $_BSTAPID5 \
-expected-id $_BSTAPID6
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
# flash size will be probed
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME stm32x 0 0 0 0 $_TARGETNAME
flash bank $_FLASHNAME stm32x 0x08000000 0 0 0 $_TARGETNAME
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset

6
tcl/target/stm32xl.cfg Normal file
View File

@ -0,0 +1,6 @@
# script for stm32xl family (dual flash bank)
source [find target/stm32.cfg]
# flash size will be probed
set _FLASHNAME $_CHIPNAME.flash1
flash bank $_FLASHNAME stm32x 0x08080000 0 0 0 $_TARGETNAME