142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>.
|
|
* 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
|
|
* 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/>.
|
|
*/
|
|
|
|
// ----- Local Includes -----
|
|
|
|
#include "mchck.h"
|
|
|
|
|
|
|
|
// ----- Variables -----
|
|
|
|
uint32_t flash_ALLOW_BRICKABLE_ADDRESSES;
|
|
|
|
|
|
|
|
// ----- Functions -----
|
|
|
|
/* This will have to live in SRAM. */
|
|
__attribute__((section(".ramtext.ftfl_submit_cmd"), long_call))
|
|
int ftfl_submit_cmd(void)
|
|
{
|
|
FTFL.fstat.raw = ((struct FTFL_FSTAT_t){
|
|
.ccif = 1,
|
|
//.rdcolerr = 1,
|
|
.accerr = 1,
|
|
.fpviol = 1
|
|
}).raw;
|
|
|
|
// Wait for the operation to complete
|
|
struct FTFL_FSTAT_t stat;
|
|
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)
|
|
{
|
|
/* switch to FlexRAM */
|
|
if (!FTFL.fcnfg.ramrdy) {
|
|
FTFL.fccob.set_flexram.fcmd = FTFL_FCMD_SET_FLEXRAM;
|
|
FTFL.fccob.set_flexram.flexram_function = FTFL_FLEXRAM_RAM;
|
|
return (ftfl_submit_cmd());
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int flash_erase_sector(uintptr_t addr)
|
|
{
|
|
if (addr < (uintptr_t)&_app_rom &&
|
|
flash_ALLOW_BRICKABLE_ADDRESSES != 0x00023420)
|
|
return (-1);
|
|
FTFL.fccob.erase.fcmd = FTFL_FCMD_ERASE_SECTOR;
|
|
FTFL.fccob.erase.addr = addr;
|
|
return (ftfl_submit_cmd());
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
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_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)
|
|
{
|
|
if ((addr & (FLASH_SECTOR_SIZE - 1)) != 0 ||
|
|
len != FLASH_SECTOR_SIZE)
|
|
return (NULL);
|
|
return (FlexRAM);
|
|
}
|
|
|