Skip to content

Commit

Permalink
bossa: Pull in Add support to SAM4L SoC Family
Browse files Browse the repository at this point in the history 
Pull in changes from shumatech/BOSSA#143

Signed-off-by: Kumar Gala <[email protected]>
  • Loading branch information
@galak
galak committed Oct 8, 2020
1 parent fce592d commit d7975dc
Show file tree
Hide file tree
Showing 6 changed files with 513 additions and 1 deletion.
4 changes: 4 additions & 0 deletions meta-zephyr-sdk/recipes-hosttools/bossa/bossa_git.bb
View file
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ PR = "r0"
SRCREV = "3532de82efd28fadbabc2b258d84dddf14298107"
SRC_URI = "git://github.com/shumatech/BOSSA.git;protocol=https \
file://0001-Wait-for-EEFC-flash-to-complete-operations-before-re.patch \
file://0001-Flash.h-Add-flash-override-samba-error.patch \
file://0002-CalwFlash-Add-SAM4L-Flashcalw-controller.patch \
file://0003-Device-Introduce-support-to-SAM4L-SoC-family.patch \
file://0004-CalwFlash-Add-NVIC-reset-command.patch \
"

S = "${WORKDIR}/git"
Expand Down
36 changes: 36 additions & 0 deletions ...ephyr-sdk/recipes-hosttools/bossa/files/0001-Flash.h-Add-flash-override-samba-error.patch
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
From a7c015a628daa1b628f70b7eaf9485f7cbafcf9d Mon Sep 17 00:00:00 2001
From: Gerson Fernando Budke <[email protected]>
Date: Sat, 26 Sep 2020 18:25:53 -0300
Subject: [PATCH 1/4] Flash.h: Add flash override samba error

When a device have bootloader on flash, user can set a offset that may
try erase and/or override the bootloader. Add an exception to abort on
any of that conditions.

Signed-off-by: Gerson Fernando Budke <[email protected]>
---
src/Flash.h | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/src/Flash.h b/src/Flash.h
index 5d3a37b..b396a16 100644
--- a/src/Flash.h
+++ b/src/Flash.h
@@ -88,6 +88,14 @@ public:

};

+class FlashOverrideSambaError : public std::exception
+{
+public:
+ FlashOverrideSambaError() : exception() {};
+ const char* what() const throw() { return "SAM-BA bootloader shouldn't be erased. Check flash start address."; }
+
+};
+
template<class T>
class FlashOption
{
--
2.25.4

327 changes: 327 additions & 0 deletions ...hyr-sdk/recipes-hosttools/bossa/files/0002-CalwFlash-Add-SAM4L-Flashcalw-controller.patch
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,327 @@
From ec9bb35ce522419a0f625f6c2e133267691832ef Mon Sep 17 00:00:00 2001
From: Gerson Fernando Budke <[email protected]>
Date: Sat, 26 Sep 2020 18:31:10 -0300
Subject: [PATCH 2/4] CalwFlash: Add SAM4L Flashcalw controller

The SAM4L SoC have a special flash controller on the whole family. Add
CalwFlash controller to allow bossac work with SAM4L SoC family.

Signed-off-by: Gerson Fernando Budke <[email protected]>
---
Makefile | 2 +-
src/CalwFlash.cpp | 198 ++++++++++++++++++++++++++++++++++++++++++++++
src/CalwFlash.h | 84 ++++++++++++++++++++
3 files changed, 283 insertions(+), 1 deletion(-)
create mode 100644 src/CalwFlash.cpp
create mode 100644 src/CalwFlash.h

diff --git a/Makefile b/Makefile
index 63b2b01..650fa65 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ WXVERSION=3.0
#
# Source files
#
-COMMON_SRCS=Samba.cpp Flash.cpp D5xNvmFlash.cpp D2xNvmFlash.cpp EfcFlash.cpp EefcFlash.cpp Applet.cpp WordCopyApplet.cpp Flasher.cpp Device.cpp
+COMMON_SRCS=Samba.cpp Flash.cpp D5xNvmFlash.cpp D2xNvmFlash.cpp EfcFlash.cpp EefcFlash.cpp CalwFlash.cpp Applet.cpp WordCopyApplet.cpp Flasher.cpp Device.cpp
APPLET_SRCS=WordCopyArm.asm
BOSSA_SRCS=BossaForm.cpp BossaWindow.cpp BossaAbout.cpp BossaApp.cpp BossaBitmaps.cpp BossaInfo.cpp BossaThread.cpp BossaProgress.cpp
BOSSA_BMPS=BossaLogo.bmp BossaIcon.bmp ShumaTechLogo.bmp
diff --git a/src/CalwFlash.cpp b/src/CalwFlash.cpp
new file mode 100644
index 0000000..db1d684
--- /dev/null
+++ b/src/CalwFlash.cpp
@@ -0,0 +1,198 @@
+///////////////////////////////////////////////////////////////////////////////
+// BOSSA
+//
+// Copyright (c) 2011-2020, ShumaTech
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of the <organization> nor the
+// names of its contributors may be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+///////////////////////////////////////////////////////////////////////////////
+#include "CalwFlash.h"
+
+#include <assert.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#define CALW_KEY 0xa5
+
+#define CALW_FCR (_regs + 0x00)
+#define CALW_FCMD (_regs + 0x04)
+#define CALW_FSR (_regs + 0x08)
+#define CALW_FPR (_regs + 0x0C)
+
+#define CALW_FCMD_NOP 0x00
+#define CALW_FCMD_WP 0x01
+#define CALW_FCMD_EP 0x02
+#define CALW_FCMD_CPB 0x03
+#define CALW_FCMD_LP 0x04
+#define CALW_FCMD_UP 0x05
+#define CALW_FCMD_EA 0x06
+#define CALW_FCMD_WGPB 0x07
+#define CALW_FCMD_EGPB 0x08
+#define CALW_FCMD_SSB 0x09
+#define CALW_FCMD_PGPFB 0x0a
+#define CALW_FCMD_EAGPF 0x0b
+#define CALW_FCMD_QPR 0x0c
+#define CALW_FCMD_WUP 0x0d
+#define CALW_FCMD_EUP 0x0e
+#define CALW_FCMD_QPRUP 0x0f
+#define CALW_FCMD_HSEN 0x10
+#define CALW_FCMD_HSDIS 0x11
+
+CalwFlash::CalwFlash(Samba& samba,
+ const std::string& name,
+ uint32_t addr,
+ uint32_t pages,
+ uint32_t size,
+ uint32_t planes,
+ uint32_t lockRegions,
+ uint32_t user,
+ uint32_t stack,
+ uint32_t regs)
+ : Flash(samba, name, addr, pages, size, planes, lockRegions, user, stack),
+ _regs(regs)
+{
+ assert(planes == 1);
+ assert(pages <= 1024);
+ assert(lockRegions <= 16);
+
+ // Force 1WS
+ writeFCR(0x40);
+}
+
+CalwFlash::~CalwFlash()
+{
+}
+
+void
+CalwFlash::eraseAll(uint32_t offset)
+{
+ // Do NOT a full chip erase, SAM-BA bootloader resides at offset lower than 0x4000
+ if (offset < 0x4000)
+ {
+ throw FlashOverrideSambaError();
+ }
+ // Else we must do it by pages
+ else
+ {
+ // Offset must be on an erase page boundary
+ if (offset % _size)
+ throw FlashEraseError();
+
+ // Erase each PagesPerErase set of pages
+ for (uint32_t pageNum = offset / _size; pageNum < _pages; pageNum++)
+ {
+ waitFSR();
+ writeFCMD(CALW_FCMD_EP, pageNum);
+ }
+ }
+}
+
+std::vector<bool>
+CalwFlash::getLockRegions()
+{
+ std::vector<bool> regions(_lockRegions);
+ uint32_t locks;
+
+ waitFSR();
+ locks = readFSR();
+ locks >>= 16;
+ for (uint32_t region = 0; region < _lockRegions; region++)
+ {
+ regions[region] = locks & (1 << region);
+ }
+
+ return regions;
+}
+
+void
+CalwFlash::writePage(uint32_t page)
+{
+ if (page >= _pages)
+ throw FlashPageError();
+
+ waitFSR();
+ writeFCMD(CALW_FCMD_CPB, 0);
+
+ _wordCopy.setDstAddr(_addr + (page * _size));
+ _wordCopy.setSrcAddr(_onBufferA ? _pageBufferA : _pageBufferB);
+ _wordCopy.setWords(_size / sizeof(uint32_t));
+ _onBufferA = !_onBufferA;
+ waitFSR();
+ _wordCopy.runv();
+ writeFCMD(CALW_FCMD_WP, page);
+}
+
+void
+CalwFlash::readPage(uint32_t page, uint8_t* data)
+{
+ if (page >= _pages)
+ throw FlashPageError();
+
+ waitFSR();
+ _samba.read(_addr + page * _size, data, _size);
+}
+
+void
+CalwFlash::resetCPU(void)
+{
+ printf("Reset CPU\n");
+}
+
+void
+CalwFlash::waitFSR(int seconds)
+{
+ int tries = seconds * 1000;
+ uint32_t fsr0;
+
+ while (tries-- > 0)
+ {
+ fsr0 = _samba.readWord(CALW_FSR);
+ if (fsr0 & 0x8)
+ throw FlashCmdError();
+ if (fsr0 & 0x4)
+ throw FlashLockError();
+ if (fsr0 & 0x1)
+ break;
+ usleep(1000);
+ }
+ if (tries == 0)
+ throw FlashTimeoutError();
+}
+
+void
+CalwFlash::writeFCR(uint32_t arg)
+{
+ _samba.writeWord(CALW_FCR, arg);
+}
+
+void
+CalwFlash::writeFCMD(uint8_t cmd, uint32_t arg)
+{
+ _samba.writeWord(CALW_FCMD, (CALW_KEY << 24) | (arg << 8) | cmd);
+}
+
+uint32_t
+CalwFlash::readFSR()
+{
+ return _samba.readWord(CALW_FSR);
+}
diff --git a/src/CalwFlash.h b/src/CalwFlash.h
new file mode 100644
index 0000000..de17a3f
--- /dev/null
+++ b/src/CalwFlash.h
@@ -0,0 +1,84 @@
+///////////////////////////////////////////////////////////////////////////////
+// BOSSA
+//
+// Copyright (c) 2011-2020, ShumaTech
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of the <organization> nor the
+// names of its contributors may be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+///////////////////////////////////////////////////////////////////////////////
+#ifndef _CALWFLASH_H
+#define _CALWFLASH_H
+
+#include <stdint.h>
+#include <exception>
+
+#include "Flash.h"
+
+class CalwFlash : public Flash
+{
+public:
+ CalwFlash(Samba& samba,
+ const std::string& name,
+ uint32_t addr,
+ uint32_t pages,
+ uint32_t size,
+ uint32_t planes,
+ uint32_t lockRegions,
+ uint32_t user,
+ uint32_t stack,
+ uint32_t regs);
+ virtual ~CalwFlash();
+
+ void eraseAll(uint32_t offset);
+ void eraseAuto(bool enable) { }
+
+ std::vector<bool> getLockRegions();
+
+ bool getSecurity() { return false; }
+
+ bool getBod() { return false; }
+ bool canBod() { return true; }
+
+ bool getBor() { return false; }
+ bool canBor() { return false; }
+
+ bool getBootFlash() { return false; }
+ bool canBootFlash() { return true; }
+
+ void writeOptions() { }
+
+ void writePage(uint32_t page);
+ void readPage(uint32_t page, uint8_t* data);
+
+ void resetCPU(void);
+
+private:
+ uint32_t _regs;
+
+ void writeFCR(uint32_t arg);
+ void writeFCMD(uint8_t cmd, uint32_t arg);
+ void waitFSR(int seconds = 1);
+ uint32_t readFSR();
+};
+
+#endif // _CALWFLASH_H
--
2.25.4

Loading

0 comments on commit d7975dc

Please sign in to comment.