--- /dev/null
+# This is an STM32L476G discovery board with a single STM32L476VGT6 chip.
+# http://www.st.com/en/evaluation-tools/32l476gdiscovery.html
+
+# This is for using the onboard STLINK
+source [find interface/stlink.cfg]
+
+transport select hla_swd
+
+# increase working area to 96KB
+set WORKAREASIZE 0x18000
+
+# enable stmqspi
+set QUADSPI 1
+
+source [find target/stm32l4x.cfg]
+
+# QUADSPI initialization
+proc qspi_init { } {
+ global a
+ mmw 0x4002104C 0x000001FF 0 ;# RCC_AHB2ENR |= GPIOAEN-GPIOIEN (enable clocks)
+ mmw 0x40021050 0x00000100 0 ;# RCC_AHB3ENR |= QSPIEN (enable clock)
+ sleep 1 ;# Wait for clock startup
+
+ # PE11: NCS, PE10: CLK, PE15: BK1_IO3, PE14: BK1_IO2, PE13: BK1_IO1, PE12: BK1_IO0
+
+ # PE15:AF10:V, PE14:AF10:V, PE13:AF10:V, PE12:AF10:V, PE11:AF10:V, PE10:AF10:V
+
+ # Port E: PE15:AF10:V, PE14:AF10:V, PE13:AF10:V, PE12:AF10:V, PE11:AF10:V, PE10:AF10:V
+ mmw 0x48001000 0xAAA00000 0x55500000 ;# MODER
+ mmw 0x48001008 0xFFF00000 0x00000000 ;# OSPEEDR
+ mmw 0x48001024 0xAAAAAA00 0x55555500 ;# AFRH
+
+ mww 0xA0001030 0x00001000 ;# QUADSPI_LPTR: deactivate CS after 4096 clocks when FIFO is full
+ mww 0xA0001000 0x01500008 ;# QUADSPI_CR: PRESCALER=1, APMS=1, FTHRES=0, FSEL=0, DFM=0, SSHIFT=0, TCEN=1
+ mww 0xA0001004 0x00170100 ;# QUADSPI_DCR: FSIZE=0x17, CSHT=0x01, CKMODE=0
+ mmw 0xA0001000 0x00000001 0 ;# QUADSPI_CR: EN=1
+
+ # memory-mapped read mode with 3-byte addresses
+ mww 0xA0001014 0x0D002503 ;# QUADSPI_CCR: FMODE=0x3, DMODE=0x1, DCYC=0x0, ADSIZE=0x2, ADMODE=0x1, IMODE=0x1, INSTR=READ
+}
+
+$_TARGETNAME configure -event reset-init {
+ mmw 0x40022000 0x00000004 0x00000003 ;# 4 WS for 72 MHz HCLK
+ sleep 1
+ mmw 0x40021000 0x00000100 0x00000000 ;# HSI on
+ mww 0x4002100C 0x01002432 ;# 72 MHz: PLLREN=1, PLLM=4, PLLN=36, PLLR=2, HSI
+ mww 0x40021008 0x00008001 ;# always HSI, APB1: /1, APB2: /1
+ mmw 0x40021000 0x01000000 0x00000000 ;# PLL on
+ sleep 1
+ mmw 0x40021008 0x00000003 0x00000000 ;# switch to PLL
+ sleep 1
+
+ adapter speed 4000
+
+ qspi_init
+}