started working on AtMega8515 module C1.

avr/devices/c01/boot/boot.asm

@@ -0,0 +1,163 @@
+; ***************************************************************************
+; Source file for base system node on AtMega 8515
+;
+; This is for the maintenance system (i.e. the flash loader).
+;
+; All definitions and changes should go into this file.
+; ***************************************************************************
+
+.equ clock=8000000 ; Define the clock frequency
+
+.nolist
+.include "include/m8515def.inc" ; Define device ATmega8515
+.list
+
+.include "../defs.asm"
+.include "defs_all.asm"
+
+.include "common/utils_wait.asm"
+.include "common/utils_io.asm"
+.include "modules/com2/defs.asm"
+.include "modules/comproto/defs.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+
+.equ NET_BUFFERS_NUM            = 6
+.equ NET_BUFFERS_SIZE           = 32
+
+
+
+; ---------------------------------------------------------------------------
+; firmware settings
+
+.equ FIRMWARE_VERSION_MAJOR       = 0
+.equ FIRMWARE_VERSION_MINOR       = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
+
+
+
+; ---------------------------------------------------------------------------
+; LED
+
+.equ LED_DDR             = DDRE
+.equ LED_PORT            = PORTE
+.equ LED_PIN             = PINE
+.equ LED_PINNUM          = PORTE2
+
+
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 0x0000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+  rjmp main ;  1: Reset vector   RESET
+  reti      ;  2: INT0           External Interrupt Request 0
+  reti      ;  3: INT1           External Interrupt Request 1
+  reti      ;  4: TIMER1_CAPT    Timer/Counter1 Capture Event
+  reti      ;  5: TIMER1_COMPA   Timer/Counter1 Compare Match A
+  reti      ;  6: TIMER1_COMPB   Timer/Counter1 Compare Match B
+  reti      ;  7: TIMER1_OVF     Timer/Counter1 Overflow
+  reti      ;  8: TIMER0_OVF     Timer/Counter0 Overflow
+  reti      ;  9: SPI_STC        Serial Transfer Complete
+  reti      ; 10: USART_RXC      USART Rx Complete
+  reti      ; 11: USART_UDRE     USART Data Register Empty
+  reti      ; 12: USART_TXC      USART Tx Complete
+  reti      ; 13: ANA_COMP       Analog Comparator
+  reti      ; 14: INT2           External Interrupt Request 2
+  reti      ; 15: TIMER0_COMP    Timer/Counter0 Compare Match
+  reti      ; 16: EE_RDY         EEPROM Ready
+  reti      ; 17: SPM_RDY        Store Program Memory Ready
+
+
+
+; ---------------------------------------------------------------------------
+; Device Info Block
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+firmwareStart:
+  rjmp main       ; will be overwritten when flashing
+
+
+
+; ***************************************************************************
+; main code
+
+
+.org BOOTLOADER_ADDR
+
+
+main:
+  ldi r16, 0xb0   ; orig: a0
+  out OSCCAL, r16
+  rjmp bootLoader ; this routine is in modules/bootloader/main.asm
+
+
+
+; ***************************************************************************
+; includes
+
+.include "common/utils_wait_fixed.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+
+.include "modules/flash/defs.asm"
+.include "modules/flash/eeprom.asm"
+.include "modules/flash/io.asm"
+.include "modules/flash/io_attn.asm"
+.include "modules/flash/io_uart.asm"
+.include "modules/flash/io_uart_all_attn.asm"
+.include "modules/flash/flash1pmega.asm"
+.include "modules/flash/flashxp.asm"
+.include "modules/flash/flashprocess.asm"
+.include "modules/flash/wait.asm"
+.include "modules/bootloader/main.asm"
+.include "modules/network/msg/defs.asm"
+.include "modules/network/msg/crc.asm"
+
+;.include "common/debug.asm"
+
+
+
+systemSetSpeed:
+#if 0  ; disabled (can't really change clock at runtime)
+.if clock == 8000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, 0
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+
+.if clock == 1000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+#endif
+
+  ret
+
+
+
+