diff options
| -rw-r--r-- | tcl/target/stm32u5x.cfg | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/tcl/target/stm32u5x.cfg b/tcl/target/stm32u5x.cfg index b627d41..44b51e2 100644 --- a/tcl/target/stm32u5x.cfg +++ b/tcl/target/stm32u5x.cfg @@ -22,21 +22,24 @@ proc stm32u5x_clock_config {} { # RCC_AHB3ENR = PWREN mww [expr {0x46020C94 + $offset}] 0x00000004 # delay for register clock enable (read back reg) - mrw [expr {0x56020C94 + $offset}] + mrw [expr {0x46020C94 + $offset}] # PWR_VOSR : VOS Range 1 - mww [expr {0x4602080C + $offset}] 0x00030000 - # delay for register write (read back reg) - mrw [expr {0x4602080C + $offset}] + mmw [expr {0x4602080C + $offset}] 0x00030000 0 + # while !(PWR_VOSR & VOSRDY) + while {!([mrw [expr {0x4602080C + $offset}]] & 0x00008000)} {} # FLASH_ACR : 4 WS for 160 MHz HCLK mww [expr {0x40022000 + $offset}] 0x00000004 - # RCC_PLL1CFGR => PLL1M=0000=/1, PLL1SRC=MSI 4MHz - mww [expr {0x46020C28 + $offset}] 0x00000001 + # RCC_PLL1CFGR => PLL1MBOOST=0, PLL1M=0=/1, PLL1FRACEN=0, PLL1SRC=MSI 4MHz + # PLL1REN=1, PLL1RGE => VCOInputRange=PLLInputRange_4_8 + mww [expr {0x46020C28 + $offset}] 0x00040009 + # Enable EPOD Booster + mmw [expr {0x4602080C + $offset}] 0x00040000 0 + # while !(PWR_VOSR & BOOSTRDY) + while {!([mrw [expr {0x4602080C + $offset}]] & 0x00004000)} {} # RCC_PLL1DIVR => PLL1P=PLL1Q=PLL1R=000001=/2, PLL1N=0x4F=80 # fVCO = 4 x 80 /1 = 320 # SYSCLOCK = fVCO/PLL1R = 320/2 = 160 MHz - mmw [expr {0x46020C34 + $offset}] 0x0000004F 0 - # RCC_PLL1CFGR => PLL1REN=1 - mmw [expr {0x46020C28 + $offset}] 0x00040000 0 + mww [expr {0x46020C34 + $offset}] 0x0101024F # RCC_CR |= PLL1ON mmw [expr {0x46020C00 + $offset}] 0x01000000 0 # while !(RCC_CR & PLL1RDY) |