From d8ac9d5ac559aa6aaf6ef8cf6f704c6e6b75da3a Mon Sep 17 00:00:00 2001 From: Uwe Bonnes Date: Fri, 9 Jan 2015 10:53:30 +0100 Subject: [PATCH] tcl: Add default hooks for STM32F4x MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Set up PLL and increase clock at reset init. Change-Id: I611bc6fb7c0c5afd8ed3f4ad8e64f3c7b981d31c Signed-off-by: Uwe Bonnes Reviewed-on: http://openocd.zylin.com/2609 Tested-by: jenkins Reviewed-by: Rémi PRUD'HOMME Reviewed-by: Freddie Chopin --- tcl/target/stm32f4x.cfg | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tcl/target/stm32f4x.cfg b/tcl/target/stm32f4x.cfg index 9aadf627..c7f6ee81 100644 --- a/tcl/target/stm32f4x.cfg +++ b/tcl/target/stm32f4x.cfg @@ -92,6 +92,7 @@ if {![using_hla]} { } $_TARGETNAME configure -event examine-end { + # Enable debug during low power modes (uses more power) # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP mmw 0xE0042004 0x00000007 0 @@ -106,3 +107,16 @@ $_TARGETNAME configure -event trace-config { # assignment mmw 0xE0042004 0x00000020 0 } + +$_TARGETNAME configure -event reset-init { + # Configure PLL to boost clock to HSI x 4 (64 MHz) + mww 0x40023804 0x08012008 ;# RCC_PLLCFGR 16 Mhz /8 (M) * 128 (N) /4(P) + mww 0x40023C00 0x00000102 ;# FLASH_ACR = PRFTBE | 2(Latency) + mmw 0x40023800 0x01000000 0 ;# RCC_CR |= PLLON + sleep 10 ;# Wait for PLL to lock + mmw 0x40023808 0x00001000 0 ;# RCC_CFGR |= RCC_CFGR_PPRE1_DIV2 + mmw 0x40023808 0x00000002 0 ;# RCC_CFGR |= RCC_CFGR_SW_PLL + + # Boost JTAG frequency + adapter_khz 8000 +} -- 2.39.2