| Line 9... |
Line 9... |
// Creator: Dan Gisselquist
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// Creator: Dan Gisselquist
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// Gisselquist Tecnology, LLC
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// Gisselquist Tecnology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2016, Gisselquist Technology, LLC
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// Copyright (C) 2016-2017, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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| Line 21... |
Line 21... |
// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory. Run make with no
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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//
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//
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//
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <strings.h>
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#include <strings.h>
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#include <ctype.h>
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#include <ctype.h>
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#include <string.h>
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#include <string.h>
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#include <signal.h>
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#include <signal.h>
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#include <assert.h>
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#include <assert.h>
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#include "devbus.h"
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#include "devbus.h"
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#include "regdefs.h"
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#include "regdefs.h"
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#include "flashdrvr.h"
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#include "flashdrvr.h"
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#include "byteswap.h"
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const bool HIGH_SPEED = false;
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const bool HIGH_SPEED = false;
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void FLASHDRVR::flwait(void) {
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void FLASHDRVR::flwait(void) {
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DEVBUS::BUSW v;
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DEVBUS::BUSW v;
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| Line 72... |
Line 78... |
}
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}
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} while(v & ERASEFLAG);
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} while(v & ERASEFLAG);
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}
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}
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bool FLASHDRVR::erase_sector(const unsigned sector, const bool verify_erase) {
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bool FLASHDRVR::erase_sector(const unsigned sector, const bool verify_erase) {
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DEVBUS::BUSW page[SZPAGE];
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DEVBUS::BUSW page[SZPAGEW];
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printf("Erasing sector: %08x\n", sector);
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if (m_debug) printf("Erasing sector: %08x\n", sector);
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m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
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m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
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m_fpga->writeio(R_QSPI_EREG, ERASEFLAG + sector);
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m_fpga->writeio(R_QSPI_EREG, ERASEFLAG + (sector>>2));
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|
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// If we're in high speed mode and we want to verify the erase, then
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// If we're in high speed mode and we want to verify the erase, then
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// we can skip waiting for the erase to complete by issueing a read
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// we can skip waiting for the erase to complete by issueing a read
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// command immediately. As soon as the erase completes the read will
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// command immediately. As soon as the erase completes the read will
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// begin sending commands back. This allows us to recover the lost
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// begin sending commands back. This allows us to recover the lost
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// time between the interrupt and the next command being received.
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// time between the interrupt and the next command being received.
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if ((!HIGH_SPEED)||(!verify_erase)) {
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if ((!HIGH_SPEED)||(!verify_erase)) {
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flwait();
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flwait();
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|
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if (m_debug) {
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printf("@%08x -> %08x\n", R_QSPI_EREG,
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printf("@%08x -> %08x\n", R_QSPI_EREG,
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m_fpga->readio(R_QSPI_EREG));
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m_fpga->readio(R_QSPI_EREG));
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printf("@%08x -> %08x\n", R_QSPI_SREG,
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printf("@%08x -> %08x\n", R_QSPI_SREG,
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m_fpga->readio(R_QSPI_SREG));
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m_fpga->readio(R_QSPI_SREG));
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printf("@%08x -> %08x\n", sector,
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printf("@%08x -> %08x\n", sector,
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m_fpga->readio(sector));
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m_fpga->readio(sector));
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}
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}
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}
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// Now, let's verify that we erased the sector properly
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// Now, let's verify that we erased the sector properly
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if (verify_erase) {
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if (verify_erase) {
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for(int i=0; i<NPAGES; i++) {
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for(int i=0; i<NPAGES; i++) {
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m_fpga->readi(sector+i*SZPAGE, SZPAGE, page);
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m_fpga->readi(sector+i*SZPAGEW, SZPAGEW, page);
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for(int i=0; i<SZPAGE; i++)
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for(int i=0; i<SZPAGEW; i++)
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if (page[i] != 0xffffffff)
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if (page[i] != 0xffffffff)
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return false;
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return false;
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}
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}
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}
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}
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return true;
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return true;
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}
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}
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bool FLASHDRVR::write_page(const unsigned addr, const unsigned len,
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bool FLASHDRVR::page_program(const unsigned addr, const unsigned len,
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const unsigned *data, const bool verify_write) {
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const char *data, const bool verify_write) {
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DEVBUS::BUSW buf[SZPAGE];
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DEVBUS::BUSW buf[SZPAGEW], bswapd[SZPAGEW];
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assert(len > 0);
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assert(len > 0);
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assert(len <= PGLEN);
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assert(len <= PGLENB);
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assert(PAGEOF(addr)==PAGEOF(addr+len-1));
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assert(PAGEOF(addr)==PAGEOF(addr+len-1));
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if (len <= 0)
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if (len <= 0)
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return true;
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return true;
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bool empty_page = true;
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for(unsigned i=0; i<len; i+=4) {
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DEVBUS::BUSW v;
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v = buildword((const unsigned char *)&data[i]);
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bswapd[(i>>2)] = v;
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if (v != 0xffffffff)
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empty_page = false;
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}
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if (!empty_page) {
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// Write the page
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// Write the page
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m_fpga->writeio(R_ICONTROL, ISPIF_DIS);
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m_fpga->writeio(R_ICONTROL, ISPIF_DIS);
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m_fpga->clear();
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m_fpga->clear();
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m_fpga->writeio(R_ICONTROL, ISPIF_EN);
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m_fpga->writeio(R_ICONTROL, ISPIF_EN);
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printf("Writing page: 0x%08x - 0x%08x\n", addr, addr+len-1);
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printf("Writing page: 0x%08x - 0x%08x\r", addr, addr+len-1);
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m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
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m_fpga->writeio(R_QSPI_EREG, DISABLEWP);
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m_fpga->writei(addr, len, data);
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m_fpga->writei(addr, (len>>2), bswapd);
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fflush(stdout);
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// If we're in high speed mode and we want to verify the write, then
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// If we're in high speed mode and we want to verify the write,
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// we can skip waiting for the write to complete by issueing a read
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// then we can skip waiting for the write to complete by
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// command immediately. As soon as the write completes the read will
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// issueing a read command immediately. As soon as the write
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// begin sending commands back. This allows us to recover the lost
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// completes the read will begin sending commands back. This
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// time between the interrupt and the next command being received.
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// allows us to recover the lost time between the interrupt and
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// the next command being received.
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flwait();
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flwait();
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}
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// if ((!HIGH_SPEED)||(!verify_write)) { }
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// if ((!HIGH_SPEED)||(!verify_write)) { }
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if (verify_write) {
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if (verify_write) {
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// printf("Attempting to verify page\n");
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// printf("Attempting to verify page\n");
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// NOW VERIFY THE PAGE
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// NOW VERIFY THE PAGE
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m_fpga->readi(addr, len, buf);
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m_fpga->readi(addr, len>>2, buf);
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for(unsigned i=0; i<len; i++) {
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for(unsigned i=0; i<(len>>2); i++) {
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if (buf[i] != data[i]) {
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if (buf[i] != bswapd[i]) {
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printf("\nVERIFY FAILS[%d]: %08x\n", i, i+addr);
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printf("\nVERIFY FAILS[%d]: %08x\n", i, (i<<2)+addr);
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printf("\t(Flash[%d]) %08x != %08x (Goal[%08x])\n",
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printf("\t(Flash[%d]) %08x != %08x (Goal[%08x])\n",
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i, buf[i], data[i], i+addr);
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(i<<2), buf[i], bswapd[i], (i<<2)+addr);
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return false;
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return false;
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}
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}
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} // printf("\nVerify success\n");
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} // printf("\nVerify success\n");
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} return true;
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} return true;
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}
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}
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bool FLASHDRVR::write(const unsigned addr, const unsigned len,
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bool FLASHDRVR::write(const unsigned addr, const unsigned len,
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const unsigned *data, const bool verify) {
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const char *data, const bool verify) {
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// Work through this one sector at a time.
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// Work through this one sector at a time.
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// If this buffer is equal to the sector value(s), go on
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// If this buffer is equal to the sector value(s), go on
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// If not, erase the sector
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// If not, erase the sector
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/*
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for(unsigned s=SECTOROF(addr); s<SECTOROF(addr+len+SECTORSZB-1);
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fprintf(stderr, "FLASH->write(%08x, %d, ..., %s)\n", addr, len,
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s+=SECTORSZB) {
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(verify)?"Verify":"");
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*/
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// m_fpga->writeio(R_QSPI_CREG, 2);
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// m_fpga->readio(R_VERSION); // Read something innocuous
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// m_fpga->writeio(R_QSPI_SREG, 0);
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// m_fpga->readio(R_VERSION); // Read something innocuous
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for(unsigned s=SECTOROF(addr); s<SECTOROF(addr+len+SECTORSZ-1); s+=SECTORSZ) {
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// printf("IN LOOP, s=%08x\n", s);
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// Do we need to erase?
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// Do we need to erase?
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bool need_erase = false;
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bool need_erase = false, need_program = false;
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unsigned newv = 0; // (s<addr)?addr:s;
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unsigned newv = 0; // (s<addr)?addr:s;
|
{
|
{
|
DEVBUS::BUSW *sbuf = new DEVBUS::BUSW[SECTORSZ];
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char *sbuf = new char[SECTORSZB];
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const DEVBUS::BUSW *dp;
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const char *dp; // pointer to our "desired" buffer
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unsigned base,ln;
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unsigned base,ln;
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|
|
base = (addr>s)?addr:s;
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base = (addr>s)?addr:s;
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ln=((addr+len>s+SECTORSZ)?(s+SECTORSZ):(addr+len))-base;
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ln=((addr+len>s+SECTORSZB)?(s+SECTORSZB):(addr+len))-base;
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m_fpga->readi(base, ln, sbuf);
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m_fpga->readi(base, ln>>2, (uint32_t *)sbuf);
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byteswapbuf(ln>>2, (uint32_t *)sbuf);
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|
|
dp = &data[base-addr];
|
dp = &data[base-addr];
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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) {
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printf("\nNEED-ERASE @0x%08x ... %08x != %08x (Goal)\n",
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printf("\nNEED-ERASE @0x%08x ... %08x != %08x (Goal)\n",
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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;
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} 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+SECTORSZ)&&(p<addr+len); p=PAGEOF(p+PGLEN)) {
|
|
|
// 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+PGLEN)-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, 0); // Re-enable write protection
|
m_fpga->writeio(R_QSPI_EREG, ENABLEWP); // Re-enable write protection
|
|
|
return true;
|
return true;
|
}
|
}
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No newline at end of file
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No newline at end of file
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