diff options
Diffstat (limited to 'circuitpython/lib/tinyusb/hw/mcu/bridgetek')
3 files changed, 388 insertions, 0 deletions
diff --git a/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/Readme.md b/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/Readme.md new file mode 100644 index 0000000..1db9105 --- /dev/null +++ b/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/Readme.md @@ -0,0 +1,7 @@ +# BridgeTek FT9xx MCU + +**BridgeTek** provides a hardware abstraction library with software source code for the SDKs for FT9xx software family. + +Whole SDK repository is installed as part of the FT9xx Toolchain and can be downloaded from BridgeTek web page `https://www.brtchip.com`. + +Registers definition files, and included peripheral register definition files have licenses that allow for redistribution. diff --git a/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/scripts/crt0.S b/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/scripts/crt0.S new file mode 100644 index 0000000..62fa266 --- /dev/null +++ b/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/scripts/crt0.S @@ -0,0 +1,286 @@ +.equ SYS_REGMSC0CFG_B3 , 0x1001b +.equ SYS_REGIRQCTL_B3 , 0x100e3 +.equ MAILBOX_MEMORY , 0x13000 + +.equ IS_IMG_SDBL_PRESENT, 0 +.equ IS_IMG_D2XX_PRESENT, 0 +.equ IS_IMG_DLOG_PRESENT, 0 + +.section .crt0 +.global _start + +_start: +# START Interrupt Vector Table [[ + jmp __PMSIZE-4 # RESET Vector + jmp interrupt_33 # Watchdog reset vector + jmp interrupt_0 + jmp interrupt_1 + jmp interrupt_2 + jmp interrupt_3 + jmp interrupt_4 + jmp interrupt_5 + jmp interrupt_6 + jmp interrupt_7 + jmp interrupt_8 + jmp interrupt_9 + jmp interrupt_10 + jmp interrupt_11 + jmp interrupt_12 + jmp interrupt_13 + jmp interrupt_14 + jmp interrupt_15 + jmp interrupt_16 + jmp interrupt_17 + jmp interrupt_18 + jmp interrupt_19 + jmp interrupt_20 + jmp interrupt_21 + jmp interrupt_22 + jmp interrupt_23 + jmp interrupt_24 + jmp interrupt_25 + jmp interrupt_26 + jmp interrupt_27 + jmp interrupt_28 + jmp interrupt_29 + jmp interrupt_30 + jmp interrupt_31 + jmp __PMSIZE-8 #Interrupt vector 32 (NMI) +# ]] END Interrupt Vector Table + +codestart: + jmp init + +.global _exithook +_exithook: # Debugger uses '_exithook' at 0x90 to catch program exit + return + +init: + # Disable all interrupts + ldk $r0,0x80 +.ifdef __FT930__ + sta.b 0x10123, $r0 +.else + sta.b 0x100e3,$r0 +.endif + + # Reset all peripherals + # lda.l $r0, 0x10018 + # bins.l $r0, $r0, 0x23F # Set bit 31 + # sta.l 0x10018, $r0 + + # Initialize DATA by copying from program memory + ldk.l $r0,__data_load_start + ldk.l $r1,__data_load_end + ldk.l $r2,0 # Will use __data after binutils patch + + jmp .dscopy +.dsloop: + # Copy PM[$r0] to RAM $r2 + lpmi.l $r3,$r0,0 + sti.l $r2,0,$r3 + add.l $r0,$r0,4 + add.l $r2,$r2,4 +.dscopy: + cmp.l $r0,$r1 + jmpc lt,.dsloop + + # Zero BSS + ldk.l $r0,_bss_start + ldk.l $r2,_end + sub.l $r2,$r2,$r0 + ldk.l $r1,0 + ldk $r3,32764 +1: + cmp $r2,$r3 + jmpc lt,2f + memset $r0,$r1,$r3 + add $r0,$r0,$r3 + sub $r2,$r2,$r3 + jmp 1b +2: + memset $r0,$r1,$r2 +.ifdef __FT930__ +/*##############################################################*/ + # copy UserConfig DATA from flash to mailbox memory +/*##############################################################*/ + ldk.l $r0,D2XX_Struct_start /*start of d2xx config in PM memory */ + ldk.l $r1,D2XX_Struct_end /*end of d2xx config in PM memory */ + ldk.l $r2,D2XXTEST_UserD2xxConfig /* RAM cache where the d2xx config from PM to be copied*/ + jmp .configcopy + +.configloop: + # Copy PM[$r0] to RAM[$r2] + lpmi.l $r3,$r0,0 + sti.l $r2,0,$r3 + # Increment + add.l $r0,$r0,4 + add.l $r2,$r2,4 +.configcopy: + cmp.l $r0,$r1 + jmpc lt,.configloop + + ldk.l $r1,D2XX_Struct_start + ldk.l $r2,D2XX_Struct_end + #compute size + sub.l $r2,$r2,$r1 + ldk.l $r1,D2XXTEST_UserD2xxConfig + ldk.l $r0,MAILBOX_MEMORY /* D2xx config from RAM cache to be copied to Mailbox memory */ + # Copy RAM[$r1] to Mailbox $r0, for $r2 bytes + streamouti.b $r0,$r1,$r2 +/*############################################################*/ +.endif + sub.l $sp,$sp,24 # Space for the caller argument frame + call main + +.equ EXITEXIT , 0x1fffc + +.global _exit +_exit: + sta.l EXITEXIT,$r0 # simulator end of test + jmp _exithook + +#_watchdog_isr: +# ldk $sp,__RAMSIZE +# jmp __PMSIZE-4 + +# Macro to construct the interrupt stub code. +# it just saves r0, loads r0 with the int vector +# and branches to interrupt_common. + +.macro inth i=0 +interrupt_\i: + push $r0 # { + lda $r0,(vector_table + 4 * \i) + jmp interrupt_common +.endm + + inth 0 + inth 1 + inth 2 + inth 3 + inth 4 + inth 5 + inth 6 + inth 7 + inth 8 + inth 9 + inth 10 + inth 11 + inth 12 + inth 13 + inth 14 + inth 15 + inth 16 + inth 17 + inth 18 + inth 19 + inth 20 + inth 21 + inth 22 + inth 23 + inth 24 + inth 25 + inth 26 + inth 27 + inth 28 + inth 29 + inth 30 + inth 31 + inth 32 + inth 33 + + # On entry: r0, already saved, holds the handler function +interrupt_common: + push $r1 # { + push $r2 # { + push $r3 # { + push $r4 # { + push $r5 # { + push $r6 # { + push $r7 # { + push $r8 # { + push $r9 # { + push $r10 # { + push $r11 # { + push $r12 # { + push $cc # { + + calli $r0 + + pop $cc # } + pop $r12 # } + pop $r11 # } + pop $r10 # } + pop $r9 # } + pop $r8 # } + pop $r7 # } + pop $r6 # } + pop $r5 # } + pop $r4 # } + pop $r3 # } + pop $r2 # } + pop $r1 # } + pop $r0 # } matching push in interrupt_0-31 above + reti + + # Null function for unassigned interrupt to point at +.global nullvector +nullvector: + return + +.section .data +.global vector_table + .align (4) # assembler alignment is in the power of 2 (in this case 2^4) +vector_table: + .rept 34 + .long nullvector + .endr + + +.section .text +.global __gxx_personality_sj0 +__gxx_personality_sj0: + + + .section ._flash_d2xx_config +.global __pD2XXDefaultConfiguration + .align (10) + +D2XX_partition_start = . + +.if IS_IMG_D2XX_PRESENT +.ifdef __FT930__ +.include "ft930_d2xx_default_config.inc" +.else +.include "ft900_d2xx_default_config.inc" +.endif +.endif + +D2XX_partition_end = . + + .section ._flash_dlog_partition + .align (10) +.global __dlog_partition +__dlog_partition: +dlog_partition_start = . +.if IS_IMG_DLOG_PRESENT + .long 0xF7D1D106 + .rept (0x1000-4) + .byte 0xFF + .endr +.endif +dlog_partition_end = . + + .section ._pm +.global __sdbl_partition_sizeof +.global __D2XX_partition_sizeof +.global __dlog_partition_sizeof + .if IS_IMG_SDBL_PRESENT +__sdbl_partition_sizeof = 0x2000 + .else +__sdbl_partition_sizeof = 0 + .endif + +__D2XX_partition_sizeof = D2XX_partition_end - D2XX_partition_start +__dlog_partition_sizeof = dlog_partition_end - dlog_partition_start diff --git a/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/scripts/ldscript.ld b/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/scripts/ldscript.ld new file mode 100644 index 0000000..987c2b2 --- /dev/null +++ b/circuitpython/lib/tinyusb/hw/mcu/bridgetek/ft9xx/scripts/ldscript.ld @@ -0,0 +1,95 @@ +/* Default linker script, for normal executables */ +OUTPUT_FORMAT("elf32-ft32") +OUTPUT_ARCH(ft32) +SEARCH_DIR("/data/win8/ft32/ft32-elf/lib"); +/* Allow the command line to override the memory region sizes. */ +__PMSIZE = DEFINED(__PMSIZE) ? __PMSIZE : 256K; +__RAMSIZE = DEFINED(__RAMSIZE) ? __RAMSIZE : 64K; +MEMORY +{ + flash (rx) : ORIGIN = 0, LENGTH = __PMSIZE + ram (rw!x) : ORIGIN = 0x800000, LENGTH = __RAMSIZE + ehci_mmap (rw!x) : ORIGIN = 0x811000, LENGTH = 2K +} +SECTIONS +{ + .text : + { + *(.text*) + *(.strings) + *(._pm*) + *(.init) + *(.fini) + _etext = . ; + . = ALIGN(4); + } > flash + .tors : + { + ___ctors = . ; + *(.ctors) + ___ctors_end = . ; + ___dtors = . ; + *(.dtors) + ___dtors_end = . ; + . = ALIGN(4); + } > ram + .data : AT (ADDR (.text) + SIZEOF (.text)) + { + *(.data) + *(.data*) + *(.rodata) + *(.rodata*) + _edata = . ; + . = ALIGN(4); + } > ram + .bss SIZEOF(.data) + ADDR(.data) : + { + _bss_start = . ; + *(.bss) + *(.bss*) + *(COMMON) + _end = . ; + . = ALIGN(4); + } > ram + __data_load_start = LOADADDR(.data); + __data_load_end = __data_load_start + SIZEOF(.data); + .stab 0 (NOLOAD) : + { + *(.stab) + } + .stabstr 0 (NOLOAD) : + { + *(.stabstr) + } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* DWARF 3 */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + /* DWARF Extension. */ + .debug_macro 0 : { *(.debug_macro) } + .debug_addr 0 : { *(.debug_addr) } +} |