| Line 10... |
Line 10... |
// Creator: Dan Gisselquist, Ph.D.
|
// Creator: Dan Gisselquist, Ph.D.
|
// Gisselquist Technology, LLC
|
// Gisselquist Technology, LLC
|
//
|
//
|
////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
//
|
//
|
// Copyright (C) 2015-2016, Gisselquist Technology, LLC
|
// Copyright (C) 2015-2017, Gisselquist Technology, LLC
|
//
|
//
|
// This program is free software (firmware): you can redistribute it and/or
|
// This program is free software (firmware): you can redistribute it and/or
|
// modify it under the terms of the GNU General Public License as published
|
// 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
|
// by the Free Software Foundation, either version 3 of the License, or (at
|
// your option) any later version.
|
// your option) any later version.
|
| Line 23... |
Line 23... |
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
|
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
// for more details.
|
// for more details.
|
//
|
//
|
// You should have received a copy of the GNU General Public License along
|
// You should have received a copy of the GNU General Public License along
|
// with this program. (It's in the $(ROOT)/doc directory, run make with no
|
// with this program. (It's in the $(ROOT)/doc directory. Run make with no
|
// target there if the PDF file isn't present.) If not, see
|
// target there if the PDF file isn't present.) If not, see
|
// <http://www.gnu.org/licenses/> for a copy.
|
// <http://www.gnu.org/licenses/> for a copy.
|
//
|
//
|
// License: GPL, v3, as defined and found on www.gnu.org,
|
// License: GPL, v3, as defined and found on www.gnu.org,
|
// http://www.gnu.org/licenses/gpl.html
|
// http://www.gnu.org/licenses/gpl.html
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| Line 36... |
Line 36... |
////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
//
|
//
|
//
|
//
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <stdlib.h>
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
#include <unistd.h>
|
#include <unistd.h>
|
#include <strings.h>
|
#include <strings.h>
|
#include <ctype.h>
|
#include <ctype.h>
|
#include <string.h>
|
#include <string.h>
|
#include <signal.h>
|
#include <signal.h>
|
#include <assert.h>
|
#include <assert.h>
|
|
|
#include "port.h"
|
#include "port.h"
|
#include "regdefs.h"
|
#include "regdefs.h"
|
#include "flashdrvr.h"
|
#include "flashdrvr.h"
|
|
#include "byteswap.h"
|
|
|
const bool HIGH_SPEED = false;
|
const bool HIGH_SPEED = false;
|
|
|
#define SETSCOPE m_fpga->writeio(R_QSCOPE, 8180)
|
#define SETSCOPE
|
|
// #define SETSCOPE m_fpga->writeio(R_QSCOPE, 8180)
|
|
|
|
|
void FLASHDRVR::flwait(void) {
|
void FLASHDRVR::flwait(void) {
|
DEVBUS::BUSW v;
|
DEVBUS::BUSW v;
|
|
|
| Line 82... |
Line 85... |
}
|
}
|
|
|
bool FLASHDRVR::erase_sector(const unsigned sector, const bool verify_erase) {
|
bool FLASHDRVR::erase_sector(const unsigned sector, const bool verify_erase) {
|
DEVBUS::BUSW page[SZPAGEW];
|
DEVBUS::BUSW page[SZPAGEW];
|
|
|
printf("EREG before : %08x\n", m_fpga->readio(R_QSPI_EREG));
|
if (m_debug) printf("EREG before : %08x\n", m_fpga->readio(R_QSPI_EREG));
|
printf("Erasing sector: %08x\n", sector);
|
if (m_debug) printf("Erasing sector: %08x\n", sector);
|
m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
|
m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
|
printf("EREG with WEL : %08x\n", m_fpga->readio(R_QSPI_EREG));
|
if (m_debug) printf("EREG with WEL : %08x\n", m_fpga->readio(R_QSPI_EREG));
|
SETSCOPE;
|
SETSCOPE;
|
m_fpga->writeio(R_QSPI_EREG, ERASEFLAG + sector);
|
m_fpga->writeio(R_QSPI_EREG, ERASEFLAG + (sector>>2));
|
printf("EREG after : %08x\n", m_fpga->readio(R_QSPI_EREG));
|
if (m_debug) printf("EREG after : %08x\n", m_fpga->readio(R_QSPI_EREG));
|
|
|
// If we're in high speed mode and we want to verify the erase, then
|
// If we're in high speed mode and we want to verify the erase, then
|
// we can skip waiting for the erase to complete by issueing a read
|
// we can skip waiting for the erase to complete by issueing a read
|
// command immediately. As soon as the erase completes the read will
|
// command immediately. As soon as the erase completes the read will
|
// begin sending commands back. This allows us to recover the lost
|
// begin sending commands back. This allows us to recover the lost
|
// time between the interrupt and the next command being received.
|
// time between the interrupt and the next command being received.
|
if ((!HIGH_SPEED)||(!verify_erase)) {
|
if ((!HIGH_SPEED)||(!verify_erase)) {
|
flwait();
|
flwait();
|
|
|
|
if (m_debug) {
|
printf("@%08x -> %08x\n", R_QSPI_EREG,
|
printf("@%08x -> %08x\n", R_QSPI_EREG,
|
m_fpga->readio(R_QSPI_EREG));
|
m_fpga->readio(R_QSPI_EREG));
|
printf("@%08x -> %08x\n", R_QSPI_STAT,
|
printf("@%08x -> %08x\n", R_QSPI_STAT,
|
m_fpga->readio(R_QSPI_STAT));
|
m_fpga->readio(R_QSPI_STAT));
|
printf("@%08x -> %08x\n", sector,
|
printf("@%08x -> %08x\n", sector,
|
m_fpga->readio(sector));
|
m_fpga->readio(sector));
|
}
|
}
|
|
}
|
|
|
// Now, let's verify that we erased the sector properly
|
// Now, let's verify that we erased the sector properly
|
if (verify_erase) {
|
if (verify_erase) {
|
for(int i=0; i<NPAGES; i++) {
|
for(int i=0; i<NPAGES; i++) {
|
m_fpga->readi(sector+i*SZPAGEW, SZPAGEW, page);
|
m_fpga->readi(sector+i*SZPAGEW, SZPAGEW, page);
|
| Line 119... |
Line 124... |
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
bool FLASHDRVR::write_page(const unsigned addr, const unsigned len,
|
bool FLASHDRVR::page_program(const unsigned addr, const unsigned len,
|
const unsigned *data, const bool verify_write) {
|
const char *data, const bool verify_write) {
|
DEVBUS::BUSW buf[SZPAGEW];
|
DEVBUS::BUSW buf[SZPAGEW], bswapd[SZPAGEW];
|
|
|
assert(len > 0);
|
assert(len > 0);
|
assert(len <= PGLENW);
|
assert(len <= PGLENB);
|
assert(PAGEOF(addr)==PAGEOF(addr+len-1));
|
assert(PAGEOF(addr)==PAGEOF(addr+len-1));
|
|
|
if (len <= 0)
|
if (len <= 0)
|
return true;
|
return true;
|
|
|
|
bool empty_page = true;
|
|
for(unsigned i=0; i<len; i+=4) {
|
|
DEVBUS::BUSW v;
|
|
v = buildword((const unsigned char *)&data[i]);
|
|
bswapd[(i>>2)] = v;
|
|
if (v != 0xffffffff)
|
|
empty_page = false;
|
|
}
|
|
|
|
if (!empty_page) {
|
// Write the page
|
// Write the page
|
m_fpga->writeio(R_ICONTROL, ISPIF_DIS);
|
m_fpga->writeio(R_ICONTROL, ISPIF_DIS);
|
m_fpga->clear();
|
m_fpga->clear();
|
m_fpga->writeio(R_ICONTROL, ISPIF_EN);
|
m_fpga->writeio(R_ICONTROL, ISPIF_EN);
|
printf("Writing page: 0x%08x - 0x%08x\n", addr, addr+len-1);
|
printf("Writing page: 0x%08x - 0x%08x\r", addr, addr+len-1);
|
m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
|
m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
|
SETSCOPE;
|
SETSCOPE;
|
m_fpga->writei(addr, len, data);
|
m_fpga->writei(addr, (len>>2), bswapd);
|
|
fflush(stdout);
|
|
|
// If we're in high speed mode and we want to verify the write, then
|
// If we're in high speed mode and we want to verify the write,
|
// we can skip waiting for the write to complete by issueing a read
|
// then we can skip waiting for the write to complete by
|
// command immediately. As soon as the write completes the read will
|
// issueing a read command immediately. As soon as the write
|
// begin sending commands back. This allows us to recover the lost
|
// completes the read will begin sending commands back. This
|
// time between the interrupt and the next command being received.
|
// allows us to recover the lost time between the interrupt and
|
|
// the next command being received.
|
flwait();
|
flwait();
|
|
}
|
// if ((!HIGH_SPEED)||(!verify_write)) { }
|
// if ((!HIGH_SPEED)||(!verify_write)) { }
|
if (verify_write) {
|
if (verify_write) {
|
// printf("Attempting to verify page\n");
|
// printf("Attempting to verify page\n");
|
// NOW VERIFY THE PAGE
|
// NOW VERIFY THE PAGE
|
m_fpga->readi(addr, len, buf);
|
m_fpga->readi(addr, len>>2, buf);
|
for(int i=0; i<len; i++) {
|
for(unsigned i=0; i<(len>>2); i++) {
|
if (buf[i] != data[i]) {
|
if (buf[i] != bswapd[i]) {
|
printf("\nVERIFY FAILS[%d]: %08x\n", i, i+addr);
|
printf("\nVERIFY FAILS[%d]: %08x\n", i, (i<<2)+addr);
|
printf("\t(Flash[%d]) %08x != %08x (Goal[%08x])\n",
|
printf("\t(Flash[%d]) %08x != %08x (Goal[%08x])\n",
|
i, buf[i], data[i], i+addr);
|
(i<<2), buf[i], bswapd[i], (i<<2)+addr);
|
return false;
|
return false;
|
}
|
}
|
} // printf("\nVerify success\n");
|
} // printf("\nVerify success\n");
|
} return true;
|
} return true;
|
}
|
}
|
| Line 186... |
Line 204... |
printf("EREG = %08x\n", m_fpga->readio(R_QSPI_EREG));
|
printf("EREG = %08x\n", m_fpga->readio(R_QSPI_EREG));
|
m_fpga->writeio(R_QSPI_EREG, ENABLEWP);
|
m_fpga->writeio(R_QSPI_EREG, ENABLEWP);
|
}
|
}
|
|
|
bool FLASHDRVR::write(const unsigned addr, const unsigned len,
|
bool FLASHDRVR::write(const unsigned addr, const unsigned len,
|
const unsigned *data, const bool verify) {
|
const char *data, const bool verify) {
|
|
|
|
assert(addr >= EQSPIFLASH);
|
|
assert(addr+len <= EQSPIFLASH + FLASHLEN);
|
|
|
if (!verify_config()) {
|
if (!verify_config()) {
|
set_config();
|
set_config();
|
if (!verify_config()) {
|
if (!verify_config()) {
|
printf("Invalid configuration, cannot program flash\n");
|
printf("Invalid configuration, cannot program flash\n");
|
| Line 200... |
Line 221... |
|
|
// Work through this one sector at a time.
|
// Work through this one sector at a time.
|
// If this buffer is equal to the sector value(s), go on
|
// If this buffer is equal to the sector value(s), go on
|
// If not, erase the sector
|
// If not, erase the sector
|
|
|
// m_fpga->writeio(R_QSPI_CREG, 2);
|
for(unsigned s=SECTOROF(addr); s<SECTOROF(addr+len+SECTORSZB-1);
|
// m_fpga->readio(R_VERSION); // Read something innocuous
|
s+=SECTORSZB) {
|
|
|
// Just to make sure the driver knows that these values are ...
|
|
// m_fpga->readio(R_QSPI_CREG);
|
|
// m_fpga->readio(R_QSPI_SREG);
|
|
// Because the status register may invoke protections here, we
|
|
// void them.
|
|
// m_fpga->writeio(R_QSPI_SREG, 0);
|
|
// m_fpga->readio(R_VERSION); // Read something innocuous
|
|
|
|
for(unsigned s=SECTOROF(addr); s<SECTOROF(addr+len+SECTORSZW-1); s+=SECTORSZW) {
|
|
// printf("IN LOOP, s=%08x\n", s);
|
|
// Do we need to erase?
|
// Do we need to erase?
|
bool need_erase = false;
|
bool need_erase = false, need_program = false;
|
unsigned newv = 0; // (s<addr)?addr:s;
|
unsigned newv = 0; // (s<addr)?addr:s;
|
{
|
{
|
DEVBUS::BUSW *sbuf = new DEVBUS::BUSW[SECTORSZW];
|
char *sbuf = new char[SECTORSZB];
|
const DEVBUS::BUSW *dp;
|
const char *dp; // pointer to our "desired" buffer
|
unsigned base,ln;
|
unsigned base,ln;
|
|
|
base = (addr>s)?addr:s;
|
base = (addr>s)?addr:s;
|
ln=((addr+len>s+SECTORSZW)?(s+SECTORSZW):(addr+len))-base;
|
ln=((addr+len>s+SECTORSZB)?(s+SECTORSZB):(addr+len))-base;
|
m_fpga->readi(base, ln, sbuf);
|
m_fpga->readi(base, ln>>2, (uint32_t *)sbuf);
|
|
byteswapbuf(ln>>2, (uint32_t *)sbuf);
|
|
|
dp = &data[base-addr];
|
dp = &data[base-addr];
|
SETSCOPE;
|
SETSCOPE;
|
for(unsigned i=0; i<ln; i++) {
|
for(unsigned i=0; i<ln; i++) {
|
if ((sbuf[i]&dp[i]) != dp[i]) {
|
if ((sbuf[i]&dp[i]) != dp[i]) {
|
|
if (m_debug) {
|
printf("\nNEED-ERASE @0x%08x ... %08x != %08x (Goal)\n",
|
printf("\nNEED-ERASE @0x%08x ... %08x != %08x (Goal)\n",
|
i+base-addr, sbuf[i], dp[i]);
|
i+base-addr, sbuf[i], dp[i]);
|
|
}
|
need_erase = true;
|
need_erase = true;
|
newv = i+base;
|
newv = (i&-4)+base;
|
break;
|
break;
|
} else if ((sbuf[i] != dp[i])&&(newv == 0)) {
|
} else if ((sbuf[i] != dp[i])&&(newv == 0))
|
// if (newv == 0)
|
newv = (i&-4)+base;
|
// printf("MEM[%08x] = %08x (!= %08x (Goal))\n",
|
|
// i+base, sbuf[i], dp[i]);
|
|
newv = i+base;
|
|
}
|
|
}
|
}
|
}
|
}
|
|
|
if (newv == 0)
|
if (newv == 0)
|
continue; // This sector already matches
|
continue; // This sector already matches
|
|
|
// Just erase anyway
|
// Erase the sector if necessary
|
if (!need_erase)
|
if (!need_erase) {
|
printf("NO ERASE NEEDED\n");
|
if (m_debug) printf("NO ERASE NEEDED\n");
|
else {
|
} else {
|
printf("ERASING SECTOR: %08x\n", s);
|
printf("ERASING SECTOR: %08x\n", s);
|
if (!erase_sector(s, verify)) {
|
if (!erase_sector(s, verify)) {
|
printf("SECTOR ERASE FAILED!\n");
|
printf("SECTOR ERASE FAILED!\n");
|
return false;
|
return false;
|
} newv = (s<addr) ? addr : s;
|
} newv = (s<addr) ? addr : s;
|
}
|
}
|
for(unsigned p=newv; (p<s+SECTORSZW)&&(p<addr+len); p=PAGEOF(p+PGLENW)) {
|
|
|
// Now walk through all of our pages in this sector and write
|
|
// to them.
|
|
for(unsigned p=newv; (p<s+SECTORSZB)&&(p<addr+len); p=PAGEOF(p+PGLENB)) {
|
unsigned start = p, len = addr+len-start;
|
unsigned start = p, len = addr+len-start;
|
|
|
// BUT! if we cross page boundaries, we need to clip
|
// BUT! if we cross page boundaries, we need to clip
|
// our results to the page boundary
|
// our results to the page boundary
|
if (PAGEOF(start+len-1)!=PAGEOF(start))
|
if (PAGEOF(start+len-1)!=PAGEOF(start))
|
len = PAGEOF(start+PGLENW)-start;
|
len = PAGEOF(start+PGLENB)-start;
|
if (!write_page(start, len, &data[p-addr], verify)) {
|
if (!page_program(start, len, &data[p-addr], verify)) {
|
printf("WRITE-PAGE FAILED!\n");
|
printf("WRITE-PAGE FAILED!\n");
|
return false;
|
return false;
|
}
|
}
|
}
|
} if ((need_erase)||(need_program))
|
|
printf("Sector 0x%08x: DONE%15s\n", s, "");
|
}
|
}
|
|
|
m_fpga->writeio(R_QSPI_EREG, ENABLEWP); // Re-enable write protection
|
m_fpga->writeio(R_QSPI_EREG, ENABLEWP); // Re-enable write protection
|
|
|
return true;
|
return true;
|
