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| author | Tim Newsome <tim@sifive.com> | 2019-09-27 12:07:00 -0700 |
|---|---|---|
| committer | Tim Newsome <tim@sifive.com> | 2019-09-27 12:07:00 -0700 |
| commit | 9aac179cf28fe2af49efd6eeccc6cfcea9b2db3b (patch) | |
| tree | 294eb974448b4c4aa89b6c58c21d398a88bd66af /tcl/target/stm32f7x.cfg | |
| parent | bbdc28e0f5f9ca6b706d20bdd1fdfc2ab4a3b825 (diff) | |
| parent | 31100927203a4e9d5e4f8e019b1a9e1c9d7b51c6 (diff) | |
| download | riscv-openocd-9aac179cf28fe2af49efd6eeccc6cfcea9b2db3b.zip riscv-openocd-9aac179cf28fe2af49efd6eeccc6cfcea9b2db3b.tar.gz riscv-openocd-9aac179cf28fe2af49efd6eeccc6cfcea9b2db3b.tar.bz2 | |
Merge branch 'master' into from_upstream
Change-Id: I036350ee06aa396344fb8a80c7dba148ec24c9c8
Diffstat (limited to 'tcl/target/stm32f7x.cfg')
| -rwxr-xr-x | tcl/target/stm32f7x.cfg | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tcl/target/stm32f7x.cfg b/tcl/target/stm32f7x.cfg index b777c61..ba1d12f 100755 --- a/tcl/target/stm32f7x.cfg +++ b/tcl/target/stm32f7x.cfg @@ -51,6 +51,19 @@ set _FLASHNAME $_CHIPNAME.flash flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME flash bank $_CHIPNAME.otp stm32f2x 0x1ff0f000 0 0 0 $_TARGETNAME +# On the STM32F7, the Flash is mapped at address 0x08000000 via the AXI and +# also address 0x00200000 via the ITCM. The former mapping is read-write in +# hardware, while the latter is read-only. By presenting an alias, we +# accomplish two things: +# (1) We allow writing at 0x00200000 (because the alias acts identically to the +# original bank), which allows code intended to run from that address to +# also be linked for loading at that address, simplifying linking. +# (2) We allow the proper memory map to be delivered to GDB, which will cause +# it to use hardware breakpoints at the 0x00200000 mapping (correctly +# identifying it as Flash), which it would otherwise not do. Configuring +# the Flash via ITCM alias as virtual +flash bank $_CHIPNAME.itcm-flash.alias virtual 0x00200000 0 0 0 $_TARGETNAME $_FLASHNAME + # adapter speed should be <= F_CPU/6. F_CPU after reset is 16MHz, so use F_JTAG = 2MHz adapter_khz 2000 |