- /* Copyright (c) 2011,2012 Simon Schubert <[email protected]>.
- * Modifications by Jacob Alexander 2014-2015 <[email protected]>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- // ----- Includes -----
-
- // Local Includes
- #include "mchck.h"
- #include "dfu.desc.h"
-
- #include "debug.h"
-
-
-
- // ----- Variables -----
-
- /**
- * Unfortunately we can't DMA directly to FlexRAM, so we'll have to stage here.
- */
- static char staging[ USB_DFU_TRANSFER_SIZE ];
-
-
-
- // ----- Functions -----
-
- void sector_print( void* buf, size_t sector, size_t chunks )
- {
- uint8_t* start = (uint8_t*)buf + sector * USB_DFU_TRANSFER_SIZE;
- uint8_t* end = (uint8_t*)buf + (sector + 1) * USB_DFU_TRANSFER_SIZE;
- uint8_t* pos = start;
-
- // Verify if sector erased
- FTFL.fccob.read_1s_section.fcmd = FTFL_FCMD_READ_1s_SECTION;
- FTFL.fccob.read_1s_section.addr = (uintptr_t)start;
- FTFL.fccob.read_1s_section.margin = FTFL_MARGIN_NORMAL;
- FTFL.fccob.read_1s_section.num_words = 250; // 2000 kB / 64 bits
- int retval = ftfl_submit_cmd();
-
- print( NL );
- print("Block ");
- printHex( sector );
- print(" ");
- printHex( (size_t)start );
- print(" -> ");
- printHex( (size_t)end );
- print(" Erased: ");
- printHex( retval );
- print( NL );
-
- // Display sector
- for ( size_t line = 0; pos < end - 24; line++ )
- {
- // Each Line
- printHex_op( (size_t)pos, 4 );
- print(": ");
-
- // Each 2 byte chunk
- for ( size_t chunk = 0; chunk < chunks; chunk++ )
- {
- // Print out the two bytes (second one first)
- printHex_op( *(pos + 1), 2 );
- printHex_op( *pos, 2 );
- print(" ");
- pos += 2;
- }
-
- print( NL );
- }
- }
-
- static enum dfu_status setup_read( size_t off, size_t *len, void **buf )
- {
- // Calculate starting address from offset
- *buf = (void*)&_app_rom + (USB_DFU_TRANSFER_SIZE / 4) * off;
-
- // Calculate length of transfer
- /*
- *len = *buf > (void*)(&_app_rom_end) - USB_DFU_TRANSFER_SIZE
- ? 0 : USB_DFU_TRANSFER_SIZE;
- */
-
- // Check for error
- /*
- if ( *buf > (void*)&_app_rom_end )
- return (DFU_STATUS_errADDRESS);
- */
-
- return (DFU_STATUS_OK);
- }
-
- static enum dfu_status setup_write( size_t off, size_t len, void **buf )
- {
- static int last = 0;
-
- if ( len > sizeof(staging) )
- return (DFU_STATUS_errADDRESS);
-
- // We only allow the last write to be less than one sector size.
- if ( off == 0 )
- last = 0;
- if ( last && len != 0 )
- return (DFU_STATUS_errADDRESS);
- if ( len != FLASH_SECTOR_SIZE )
- {
- last = 1;
- memset( staging, 0xff, sizeof(staging) );
- }
-
- *buf = staging;
- return (DFU_STATUS_OK);
- }
-
- static enum dfu_status finish_write( void *buf, size_t off, size_t len )
- {
- void *target;
- if ( len == 0 )
- return (DFU_STATUS_OK);
-
- target = flash_get_staging_area(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE);
- if ( !target )
- return (DFU_STATUS_errADDRESS);
- memcpy( target, buf, len );
- print("BUF: ");
- printHex( off );
- sector_print( target, 0, 16 );
-
- // Depending on the error return a different status
- switch ( flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) )
- {
- /*
- case FTFL_FSTAT_RDCOLERR: // Flash Read Collision Error
- case FTFL_FSTAT_ACCERR: // Flash Access Error
- case FTFL_FSTAT_FPVIOL: // Flash Protection Violation Error
- return (DFU_STATUS_errADDRESS);
- case FTFL_FSTAT_MGSTAT0: // Memory Controller Command Completion Error
- return (DFU_STATUS_errADDRESS);
- */
-
- case 0:
- default: // No error
- return (DFU_STATUS_OK);
- }
- }
-
-
- static struct dfu_ctx dfu_ctx;
-
- void init_usb_bootloader( int config )
- {
- dfu_init( setup_read, setup_write, finish_write, &dfu_ctx );
- }
-
- void main()
- {
- #if defined(_mk20dx128vlf5_) // Kiibohd-dfu / Infinity
- // XXX McHCK uses B16 instead of A19
-
- // Enabling LED to indicate we are in the bootloader
- GPIOA_PDDR |= (1<<19);
- // Setup pin - A19 - See Lib/pin_map.mchck for more details on pins
- PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOA_PSOR |= (1<<19);
-
- #elif defined(_mk20dx256vlh7_) // Kiibohd-dfu
- // Enabling LED to indicate we are in the bootloader
- GPIOA_PDDR |= (1<<5);
- // Setup pin - A5 - See Lib/pin_map.mchck for more details on pins
- PORTA_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOA_PSOR |= (1<<5);
- #else
- #error "Incompatible chip for bootloader"
- #endif
-
- uart_serial_setup();
- printNL( NL "Bootloader DFU-Mode" );
-
- // XXX REMOVEME
- /*
- GPIOB_PDDR |= (1<<16);
- PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOB_PSOR |= (1<<16);
-
- // RST
- GPIOC_PDDR |= (1<<8);
- PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PSOR |= (1<<8);
-
- // CS1B
- GPIOC_PDDR |= (1<<4);
- PORTC_PCR4 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<4);
- */
- // Backlight
- /*
- GPIOC_PDDR |= (1<<1);
- PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<1);
- GPIOC_PDDR |= (1<<2);
- PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<2);
- GPIOC_PDDR |= (1<<3);
- PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
- GPIOC_PCOR |= (1<<3);
- */
-
- /*
- // Read Firmware 1 Status
- FTFL.fccob.read_1s_block.fcmd = FTFL_FCMD_READ_1s_BLOCK;
- FTFL.fccob.read_1s_block.addr = (uintptr_t)&_app_rom;
- FTFL.fccob.read_1s_block.margin = FTFL_MARGIN_NORMAL;
-
- int retval = ftfl_submit_cmd();
- print("Firmware Erase Status: ");
- printHex( retval );
- print( NL );
-
-
- // Read Bootloader 1 Status
- FTFL.fccob.read_1s_block.fcmd = FTFL_FCMD_READ_1s_BLOCK;
- FTFL.fccob.read_1s_block.addr = (uintptr_t)&_bootloader;
- FTFL.fccob.read_1s_block.margin = FTFL_MARGIN_NORMAL;
-
- retval = ftfl_submit_cmd();
- print("Bootloader Erase Status: ");
- printHex( retval );
- print( NL );
- */
-
- /*
- // Program First Longword of firmware
- FTFL.fccob.program_longword.fcmd = FTFL_FCMD_PROGRAM_LONGWORD;
- FTFL.fccob.program_longword.addr = (uintptr_t)&_app_rom;
- FTFL.fccob.program_longword.data_be[0] = 0x1;
- FTFL.fccob.program_longword.data_be[1] = 0x2;
- FTFL.fccob.program_longword.data_be[2] = 0x4;
- FTFL.fccob.program_longword.data_be[3] = 0x8;
- int retval = ftfl_submit_cmd();
- print("Write Longword Status: ");
- printHex( retval );
- print( NL );
- */
-
- /*
- // Erase Sector
- FTFL.fccob.erase.fcmd = FTFL_FCMD_ERASE_SECTOR;
- FTFL.fccob.erase.addr = (uintptr_t)&_app_rom;
- int retval = ftfl_submit_cmd();
- print("Erase Status: ");
- printHex( retval );
- print( NL );
-
- // Prepare FlexRAM
- FTFL.fccob.set_flexram.fcmd = FTFL_FCMD_SET_FLEXRAM;
- FTFL.fccob.set_flexram.flexram_function = FTFL_FLEXRAM_RAM;
- retval = ftfl_submit_cmd();
- print("Set FlexRAM Status: ");
- printHex( retval );
- print( NL );
-
- // Write to FlexRAM
- memset( FlexRAM, 0xB4, 1000 );
- memset( &FlexRAM[1000], 0xE3, 1000 );
-
- // Program Sector
- FTFL.fccob.program_section.fcmd = FTFL_FCMD_PROGRAM_SECTION;
- FTFL.fccob.program_section.addr = (uintptr_t)&_app_rom;
- FTFL.fccob.program_section.num_words = 128;
- //FTFL.fccob.program_section.num_words = 250; // 2000 kb / 64 bits
- retval = ftfl_submit_cmd();
- print("Program Sector1 Status: ");
- printHex( retval );
- print( NL );
-
- FTFL.fccob.program_section.fcmd = FTFL_FCMD_PROGRAM_SECTION;
- FTFL.fccob.program_section.addr = (uintptr_t)&_app_rom + 0x400;
- FTFL.fccob.program_section.num_words = 128;
- //FTFL.fccob.program_section.num_words = 250; // 2000 kb / 64 bits
- retval = ftfl_submit_cmd();
- print("Program Sector2 Status: ");
- printHex( retval );
- print( NL );
-
- for ( uint8_t sector = 0; sector < 1; sector++ )
- //sector_print( &_bootloader, sector, 16 );
- sector_print( &_app_rom, sector, 16 );
- print( NL );
- */
-
- flash_prepare_flashing();
-
- //uint32_t *position = &_app_rom;
- usb_init( &dfu_device );
-
- for (;;)
- {
- usb_poll();
- }
- }
-
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