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Basic code for mk20dx256vlh7 flashing

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This commit is contained in:
Jacob Alexander 2015-05-25 17:23:18 -07:00
parent 1acbc97e98
commit 02b919a4cb
8 changed files with 158 additions and 90 deletions
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40
Bootloader/dfu.c
View File

@ -101,6 +101,7 @@ static int dfu_handle_control( struct usb_ctrl_req_t *req, void *data )
goto out_no_status;
}
case USB_CTRL_REQ_DFU_UPLOAD: {
/*
void *buf;
size_t len = 0;
@ -141,6 +142,8 @@ static int dfu_handle_control( struct usb_ctrl_req_t *req, void *data )
}
goto out_no_status;
*/
return 0;
}
case USB_CTRL_REQ_DFU_GETSTATUS: {
struct dfu_status_t st;
@ -149,43 +152,6 @@ static int dfu_handle_control( struct usb_ctrl_req_t *req, void *data )
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

2
Bootloader/dfu.desc.c
View File

@ -61,7 +61,7 @@ static const struct usb_config_1 usb_config_1 = {
},
.will_detach = 1,
.manifestation_tolerant = 0,
.can_upload = 1,
.can_upload = 0,
.can_download = 1,
.wDetachTimeOut = 0,
.wTransferSize = USB_DFU_TRANSFER_SIZE,

8
Bootloader/dfu.h
View File

@ -30,7 +30,15 @@
#ifndef USB_DFU_TRANSFER_SIZE
// Sector size is the same as the program flash size
#if defined(_mk20dx128vlf5_)
#define USB_DFU_TRANSFER_SIZE FLASH_SECTOR_SIZE
// Sector size is double the program flash size
#elif defined(_mk20dx256vlh7_ )
#define USB_DFU_TRANSFER_SIZE FLASH_SECTOR_SIZE / 2
#endif
#endif
#define USB_FUNCTION_DESC_DFU_DECL \

71
Bootloader/flash.c
View File

@ -31,7 +31,7 @@ uint32_t flash_ALLOW_BRICKABLE_ADDRESSES;
/* This will have to live in SRAM. */
__attribute__((section(".ramtext.ftfl_submit_cmd"), long_call))
int ftfl_submit_cmd(void)
int ftfl_submit_cmd()
{
FTFL.fstat.raw = ((struct FTFL_FSTAT_t){
.ccif = 1,
@ -49,10 +49,11 @@ int ftfl_submit_cmd(void)
//return (!!stat.mgstat0);
}
int flash_prepare_flashing(void)
int flash_prepare_flashing()
{
/* switch to FlexRAM */
if (!FTFL.fcnfg.ramrdy) {
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());
@ -60,14 +61,24 @@ int flash_prepare_flashing(void)
return (0);
}
int flash_read_1s_sector( uintptr_t addr, size_t num )
{
FTFL.fccob.read_1s_section.fcmd = FTFL_FCMD_READ_1s_SECTION;
FTFL.fccob.read_1s_section.addr = addr;
FTFL.fccob.read_1s_section.margin = FTFL_MARGIN_NORMAL;
FTFL.fccob.read_1s_section.num_words = num;
return ftfl_submit_cmd();
}
int flash_erase_sector( uintptr_t addr )
{
if (addr < (uintptr_t)&_app_rom &&
flash_ALLOW_BRICKABLE_ADDRESSES != 0x00023420)
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());
return ftfl_submit_cmd();
}
int flash_program_section_longwords( uintptr_t addr, size_t num_words )
@ -88,40 +99,31 @@ int flash_program_section_phrases(uintptr_t addr, size_t 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));
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));
if ( len != FLASH_SECTOR_SIZE )
return 1;
// Check if beginning of sector and erase if not empty
// Each sector is 2 kB in length, but we can only write to half a sector at a time
// We can only erase an entire sector at a time
if ( (addr & (FLASH_SECTOR_SIZE - 1)) == 0
&& flash_read_1s_sector( addr, FLASH_SECTOR_SIZE / 8 )
&& flash_erase_sector( addr ) )
return 1;
// Program half-sector
return flash_program_section_phrases( addr, FLASH_SECTOR_SIZE / 16 );
#endif
}
int flash_prepare_reading(void)
int flash_prepare_reading()
{
return (0);
}
@ -133,8 +135,7 @@ int flash_read_sector(uintptr_t addr, size_t len)
void *flash_get_staging_area( uintptr_t addr, size_t len )
{
if ((addr & (FLASH_SECTOR_SIZE - 1)) != 0 ||
len != FLASH_SECTOR_SIZE)
if ( (addr & (FLASH_SECTOR_SIZE - 1)) != 0 || len != FLASH_SECTOR_SIZE )
return (NULL);
return (FlexRAM);
}

107
Bootloader/main.c
View File

@ -30,7 +30,7 @@
/**
* Unfortunately we can't DMA directly to FlexRAM, so we'll have to stage here.
*/
static char staging[ FLASH_SECTOR_SIZE ];
static char staging[ USB_DFU_TRANSFER_SIZE ];
@ -42,6 +42,13 @@ void sector_print( void* buf, size_t sector, size_t chunks )
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 );
@ -49,6 +56,8 @@ void sector_print( void* buf, size_t sector, size_t chunks )
printHex( (size_t)start );
print(" -> ");
printHex( (size_t)end );
print(" Erased: ");
printHex( retval );
print( NL );
// Display sector
@ -56,7 +65,7 @@ void sector_print( void* buf, size_t sector, size_t chunks )
{
// Each Line
printHex_op( (size_t)pos, 4 );
print(" ");
print(": ");
// Each 2 byte chunk
for ( size_t chunk = 0; chunk < chunks; chunk++ )
@ -78,12 +87,16 @@ static enum dfu_status setup_read( size_t off, size_t *len, void **buf )
*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);
}
@ -174,11 +187,6 @@ void main()
uart_serial_setup();
printNL( NL "Bootloader DFU-Mode" );
// TODO REMOVEME
for ( uint8_t sector = 0; sector < 3; sector++ )
sector_print( &_app_rom, sector, 16 );
print( NL );
// XXX REMOVEME
/*
GPIOB_PDDR |= (1<<16);
@ -196,6 +204,7 @@ void main()
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);
@ -205,6 +214,90 @@ void main()
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();

2
Bootloader/mchck.h
View File

@ -37,7 +37,7 @@
#include "mchck-cdefs.h"
extern uint32_t _sidata, _sdata, _edata, _sbss, _ebss, _app_rom, _app_rom_end;
extern uint32_t _sidata, _sdata, _edata, _sbss, _ebss, _app_rom, _app_rom_end, _bootloader;
#include "ftfl.h"
#include "usbotg.h"

3
Lib/mk20dx256vlh7.bootloader.ld
View File

@ -33,13 +33,12 @@ MEMORY
{
FLASH (rx) : ORIGIN = 0x0, LENGTH = 256K
FLASH_APP (rx) : ORIGIN = 8K, LENGTH = 256K-8K
FLASH_END (r) : ORIGIN = 256K, LENGTH = 32
RAM (rwx) : ORIGIN = 0x20000000 - 64K / 2, LENGTH = 64K
}
/* Starting Address of the application ROM */
_bootloader = ORIGIN( FLASH );
_app_rom = ORIGIN( FLASH_APP );
_app_rom_end = ORIGIN( FLASH_END );
FlexRAM = 0x14000000;
FTFL = 0x40020000;

1
Lib/mk20dx256vlh7.ld
View File

@ -43,6 +43,7 @@ SECTIONS
. = 0;
KEEP(* (.vectors))
*(.startup*)
. = 0x400; KEEP(* (.flashconfig)) /* MUST BE AT 0x400 */
*(.text*)
*(.rodata*)
. = ALIGN(4);