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Some initial bringup of the dfu bootloader on the mk20dx256vlh7

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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
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4
Bootloader/CMakeLists.txt
View file

@ -20,8 +20,8 @@
#| You _MUST_ clean the build directory if you change this value
#|
set( CHIP
"mk20dx128vlf5" # McHCK mk20dx128vlf5
# "mk20dx256vlh7" # Kiibohd-dfu mk20dx256vlh7
#"mk20dx128vlf5" # McHCK mk20dx128vlf5
"mk20dx256vlh7" # Kiibohd-dfu mk20dx256vlh7
)

4
Bootloader/Scripts/swdLoad.bash
View file

@ -21,11 +21,13 @@ fi
# Make sure the toolchain is up to date
cd programmer
git pull --rebase
#git pull --rebase
cd ..
# Attempt to flash
# Udev rules have been applied to name the buspirate as /dev/buspirate (instead of something like /dev/ttyUSB0)
# By default only root can access serial devices on Linux
#ruby programmer/flash.rb name=buspirate:dev=/dev/buspirate --mass-erase
ruby programmer/flash.rb name=buspirate:dev=/dev/buspirate "$1" "$2"
#ruby programmer/flash.rb name=buspirate:dev=/dev/buspirate --mass-erase "$1" "$2"

2
Bootloader/_buildvars.h
View file

@ -32,7 +32,7 @@
#define STR_MANUFACTURER u"Kiibohd"
#define STR_PRODUCT u"Kiibohd DFU Bootloader"
#define STR_SERIAL u"@CHIP@"
#define STR_ALTNAME u"@BOOT_DFU_ALTNAME"
#define STR_ALTNAME u"@BOOT_DFU_ALTNAME@"
// Mac OS-X and Linux automatically load the correct drivers. On

73
Bootloader/dfu.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
@ -98,12 +98,80 @@ static int dfu_handle_control( struct usb_ctrl_req_t *req, void *data )
dfu_dnload_complete(NULL, 0, ctx);
goto out_no_status;
}
case USB_CTRL_REQ_DFU_UPLOAD: {
return (0); // TODO
/*
void *buf;
switch (ctx->state) {
case DFU_STATE_dfuIDLE:
ctx->off = 0;
break;
case DFU_STATE_dfuUPLOAD_IDLE:
break;
default:
goto err;
}
// XXX Don't STALL? -HaaTa
// TODO
ctx->status = ctx->setup_write(ctx->off, req->wLength, &buf);
if (ctx->status != DFU_STATUS_OK) {
ctx->state = DFU_STATE_dfuERROR;
goto err_have_status;
}
if (req->wLength > 0)
usb_ep0_rx(buf, req->wLength, dfu_dnload_complete, ctx);
else
dfu_dnload_complete(NULL, 0, ctx);
goto out_no_status;
*/
}
case USB_CTRL_REQ_DFU_GETSTATUS: {
struct dfu_status_t st;
st.bState = ctx->state;
st.bStatus = ctx->status;
st.bwPollTimeout = 1000; /* XXX */
// XXX FAKE WRITE
if ( ctx->state == DFU_STATE_dfuMANIFEST )
{
uint8_t data[] = { 0x10, 0x20, 0x30, 0x40 };
flash_program_longword((uintptr_t)&_app_rom, data);
}
/*
uint32_t *position = &_app_rom + 0x100;
for ( ; position < &_app_rom + 0x200; position++ )
//for ( ; position < &_app_rom + 0x800; position++ )
{
if ( *position != 0xFFFFFFFF )
{
while( 1 )
{
GPIOA_PTOR |= (1<<5);
for (uint32_t d = 0; d < 7200000; d++ );
}
}
}*/
// Check to see if vector table was flashed correctly
// Return a flash error if it was not
if (_app_rom == 0xffffffff && ctx->state == DFU_STATE_dfuMANIFEST)
st.bStatus = DFU_STATUS_errPROG;
//}
/*
if (ctx->state == DFU_STATE_dfuMANIFEST)
{
uint8_t *addr = (uint8_t*)_app_rom;
//while (*(addr++) != 0x80);
//st.bStatus = DFU_STATUS_errPROG;
st.bStatus = (uint8_t)((uint32_t)(&_app_rom) >> 16);
}
*/
/**
* If we're in DFU_STATE_dfuMANIFEST, we just finished
* the download, and we're just about to send our last
@ -131,14 +199,13 @@ static int dfu_handle_control( struct usb_ctrl_req_t *req, void *data )
switch (ctx->state) {
case DFU_STATE_dfuIDLE:
case DFU_STATE_dfuDNLOAD_IDLE:
/* case DFU_STATE_dfuUPLOAD_IDLE: */
case DFU_STATE_dfuUPLOAD_IDLE:
ctx->state = DFU_STATE_dfuIDLE;
break;
default:
goto err;
}
break;
/* case USB_CTRL_REQ_DFU_UPLOAD: */
default:
return (0);
}

4
Bootloader/dfu.desc.c
View file

@ -1,5 +1,5 @@
// Originally Generated from MCHCK Toolkit
/* Copyright (c) Jacob Alexander 2014 <haata@kiibohd.com>
/* Copyright (c) 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
@ -61,7 +61,7 @@ static const struct usb_config_1 usb_config_1 = {
},
.will_detach = 1,
.manifestation_tolerant = 0,
.can_upload = 0,
.can_upload = 1,
.can_download = 1,
.wDetachTimeOut = 0,
.wTransferSize = USB_DFU_TRANSFER_SIZE,

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)

9
Bootloader/flash.h
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
@ -20,7 +20,11 @@
// ----- Defines -----
#if defined(_mk20dx128vlf5_)
#define FLASH_SECTOR_SIZE 1024
#elif defined(_mk20dx256vlh7_)
#define FLASH_SECTOR_SIZE 2048
#endif
@ -30,8 +34,9 @@ __attribute__((section(".ramtext.ftfl_submit_cmd"), long_call))
int ftfl_submit_cmd(void);
int flash_prepare_flashing(void);
int flash_erase_sector(uintptr_t);
int flash_program_section(uintptr_t, size_t);
//int flash_program_section(uintptr_t, size_t);
int flash_program_sector(uintptr_t, size_t);
int flash_program_longword(uintptr_t, uint8_t*);
void *flash_get_staging_area(uintptr_t, size_t);
#endif

78
Bootloader/main.c
View file

@ -28,27 +28,29 @@
/**
* Unfortunately we can't DMA directly to FlexRAM, so we'll have to stage here.
*/
static char staging[FLASH_SECTOR_SIZE];
static char staging[ FLASH_SECTOR_SIZE ];
// ----- Functions -----
static enum dfu_status setup_write(size_t off, size_t len, void **buf)
static enum dfu_status setup_write( size_t off, size_t len, void **buf )
{
GPIOA_PCOR |= (1<<5);
static int last = 0;
if (len > sizeof(staging))
if ( len > sizeof(staging) )
return (DFU_STATUS_errADDRESS);
// We only allow the last write to be less than one sector size.
if (off == 0)
if ( off == 0 )
last = 0;
if (last && len != 0)
if ( last && len != 0 )
return (DFU_STATUS_errADDRESS);
if (len != FLASH_SECTOR_SIZE) {
if ( len != FLASH_SECTOR_SIZE )
{
last = 1;
memset(staging, 0xff, sizeof(staging));
memset( staging, 0xff, sizeof(staging) );
}
*buf = staging;
@ -58,16 +60,30 @@ static enum dfu_status setup_write(size_t off, size_t len, void **buf)
static enum dfu_status finish_write( void *buf, size_t off, size_t len )
{
void *target;
if (len == 0)
if ( len == 0 )
return (DFU_STATUS_OK);
target = flash_get_staging_area(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE);
if (!target)
if ( !target )
return (DFU_STATUS_errADDRESS);
memcpy(target, buf, len);
if (flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) != 0)
memcpy( target, buf, len );
// 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);
return (DFU_STATUS_OK);
case FTFL_FSTAT_MGSTAT0: // Memory Controller Command Completion Error
return (DFU_STATUS_errADDRESS);
*/
case 0:
default: // No error
return (DFU_STATUS_OK);
}
}
@ -93,17 +109,51 @@ void main()
// 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_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
PORTA_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOA_PSOR |= (1<<5);
#else
#error "Incompatible chip for bootloader"
#endif
//for (uint8_t c = 0; c < 20; c++)
/*
while( 1 )
{
GPIOA_PTOR |= (1<<5);
for (uint32_t d = 0; d < 7200000; d++ );
}
*/
// XXX REMOVEME
/*
GPIOB_PDDR |= (1<<16);
PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOB_PSOR |= (1<<16);
*/
flash_prepare_flashing();
uint32_t *position = &_app_rom;
usb_init( &dfu_device );
for (;;)
{
usb_poll();
/*
for ( ; position < &_app_rom + 0x201; position++ )
//for ( ; position < &_app_rom + 0x800; position++ )
{
if ( *position != 0xFFFFFFFF )
{
while( 1 )
{
GPIOA_PTOR |= (1<<5);
for (uint32_t d = 0; d < 7200000; d++ );
}
}
}
*/
}
}