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stm32l4: support flashing L45x/46x devices 

Also fixes incorrect comment about MSI range.

Change-Id: If1339a00e50db44195dfcd5c767ba3f5d9035451
Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
Reviewed-on: http://openocd.zylin.com/4122
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
This commit is contained in:
Juha Niskanen 2017-05-04 13:43:08 +03:00 committed by Freddie Chopin
parent f22b89d9fb
commit 753cf12700
2 changed files with 19 additions and 8 deletions
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25
src/flash/nor/stm32l4x.c
View File

@ -27,18 +27,22 @@
/* STM32L4xxx series for reference.
*
* RM0351
* http://www.st.com/st-web-ui/static/active/en/resource/technical/document/reference_manual/DM00083560.pdf
* RM0351 (STM32L4x5/STM32L4x6)
* http://www.st.com/resource/en/reference_manual/dm00083560.pdf
*
* RM0394 (STM32L43x/44x/45x/46x)
* http://www.st.com/resource/en/reference_manual/dm00151940.pdf
*
* STM32L476RG Datasheet (for erase timing)
* http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00108832.pdf
* http://www.st.com/resource/en/datasheet/stm32l476rg.pdf
*
*
* The device has normally two banks, but on 512 and 256 kiB devices an
* option byte is available to map all sectors to the first bank.
* The RM0351 devices have normally two banks, but on 512 and 256 kiB devices
* an option byte is available to map all sectors to the first bank.
* Both STM32 banks are treated as one OpenOCD bank, as other STM32 devices
* handlers do!
*
* RM0394 devices have a single bank only.
*
*/
/* Erase time can be as high as 25ms, 10x this and assume it's toast... */
@ -618,6 +622,9 @@ static int stm32l4_probe(struct flash_bank *bank)
case 0x415:
max_flash_size_in_kb = 1024;
break;
case 0x462:
max_flash_size_in_kb = 512;
break;
case 0x435:
max_flash_size_in_kb = 256;
break;
@ -725,8 +732,12 @@ static int get_stm32l4_info(struct flash_bank *bank, char *buf, int buf_size)
device_str = "STM32L475/476/486";
break;
case 0x462:
device_str = "STM32L45x/46x";
break;
case 0x435:
device_str = "STM32L43x";
device_str = "STM32L43x/44x";
break;
default:

2
tcl/target/stm32l4x.cfg
View File

@ -75,7 +75,7 @@ $_TARGETNAME configure -event reset-init {
# Use MSI 24 MHz clock, compliant even with VOS == 2.
# 3 WS compliant with VOS == 2 and 24 MHz.
mww 0x40022000 0x00000103 ;# FLASH_ACR = PRFTBE | 3(Latency)
mww 0x40021000 0x00000099 ;# RCC_CR = MSI_ON | MSIRGSEL| MSI Range 10
mww 0x40021000 0x00000099 ;# RCC_CR = MSI_ON | MSIRGSEL | MSI Range 9
# Boost JTAG frequency
adapter_khz 4000
}