eryn/kiibohd-controller
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Some initial bringup of the dfu bootloader on the mk20dx256vlh7

Browse source
This commit is contained in:
Jacob Alexander 2015-04-04 23:21:11 -07:00
parent 46fc3e596b
commit e41444304b
17 changed files with 249 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

71
Bootloader/flash.c
View file

@ -1,5 +1,5 @@
/* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>.
* Modifications by Jacob Alexander 2014 <haata@kiibohd.com>
* Modifications by Jacob Alexander 2014-2015 <haata@kiibohd.com>
*
* 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
@ -35,14 +35,18 @@ int ftfl_submit_cmd(void)
{
FTFL.fstat.raw = ((struct FTFL_FSTAT_t){
.ccif = 1,
.rdcolerr = 1,
.accerr = 1,
.fpviol = 1
}).raw;
//.rdcolerr = 1,
.accerr = 1,
.fpviol = 1
}).raw;
// Wait for the operation to complete
struct FTFL_FSTAT_t stat;
while (!(stat = FTFL.fstat).ccif)
/* NOTHING */; /* XXX maybe WFI? */
return (!!stat.mgstat0);
while (!(stat = FTFL.fstat).ccif); // XXX maybe WFI?
// Mask error bits
return stat.raw & (FTFL_FSTAT_RDCOLERR | FTFL_FSTAT_ACCERR | FTFL_FSTAT_FPVIOL | FTFL_FSTAT_MGSTAT0);
//return (!!stat.mgstat0);
}
int flash_prepare_flashing(void)
@ -66,20 +70,65 @@ int flash_erase_sector(uintptr_t addr)
return (ftfl_submit_cmd());
}
int flash_program_section(uintptr_t addr, size_t num_words)
int flash_program_section_longwords(uintptr_t addr, size_t num_words)
{
FTFL.fccob.program_section.fcmd = FTFL_FCMD_PROGRAM_SECTION;
FTFL.fccob.program_section.addr = addr;
FTFL.fccob.program_section.num_words = num_words;
return (ftfl_submit_cmd());
return ftfl_submit_cmd();
}
int flash_program_section_phrases(uintptr_t addr, size_t num_phrases)
{
FTFL.fccob.program_section.fcmd = FTFL_FCMD_PROGRAM_SECTION;
FTFL.fccob.program_section.addr = addr;
FTFL.fccob.program_section.num_words = num_phrases;
return ftfl_submit_cmd();
}
int flash_program_longword(uintptr_t addr, uint8_t *data)
{
FTFL.fccob.program_longword.fcmd = FTFL_FCMD_PROGRAM_LONGWORD;
FTFL.fccob.program_longword.addr = addr;
FTFL.fccob.program_longword.data_be[0] = data[0];
FTFL.fccob.program_longword.data_be[1] = data[1];
FTFL.fccob.program_longword.data_be[2] = data[2];
FTFL.fccob.program_longword.data_be[3] = data[3];
return ftfl_submit_cmd();
}
int flash_program_sector(uintptr_t addr, size_t len)
{
#if defined(_mk20dx128vlf5_)
return (len != FLASH_SECTOR_SIZE ||
(addr & (FLASH_SECTOR_SIZE - 1)) != 0 ||
flash_erase_sector(addr) ||
flash_program_section(addr, FLASH_SECTOR_SIZE/4));
flash_program_section_longwords(addr, FLASH_SECTOR_SIZE / 4));
#elif defined(_mk20dx256vlh7_)
/*
return (len != FLASH_SECTOR_SIZE ||
(addr & (FLASH_SECTOR_SIZE - 1)) != 0 ||
flash_erase_sector(addr) ||
flash_program_section_phrases(addr, FLASH_SECTOR_SIZE / 8));
*/
return (len != FLASH_SECTOR_SIZE ||
(addr & (FLASH_SECTOR_SIZE - 1)) != 0 ||
flash_erase_sector(addr) ||
flash_program_section_phrases(addr, FLASH_SECTOR_SIZE / 8));
#endif
}
int flash_prepare_reading(void)
{
return (0);
}
int flash_read_sector(uintptr_t addr, size_t len)
{
return (0);
}
void *flash_get_staging_area(uintptr_t addr, size_t len)