Dediprog SF100 support. Very fragile, lots of stuff guessed from logs.
May explode spontaneously.

I think I know enough to actually use it to ID the chip, but that's it.
A USB log with which includes writing an image from the original
software (pretty much any image) would help clear up a few ambiguities.

Signed-off-by: Carl-Daniel Hailfinger <[email protected]>

Index: flashrom-dediprog/flash.h
===================================================================
--- flashrom-dediprog/flash.h   (Revision 862)
+++ flashrom-dediprog/flash.h   (Arbeitskopie)
@@ -67,6 +67,9 @@
 #if BUSPIRATE_SPI_SUPPORT == 1
        PROGRAMMER_BUSPIRATESPI,
 #endif
+#if DEDIPROG_SUPPORT == 1
+       PROGRAMMER_DEDIPROG,
+#endif
        PROGRAMMER_INVALID /* This must always be the last entry. */
 };
 
@@ -470,6 +473,10 @@
 int buspirate_spi_send_command(unsigned int writecnt, unsigned int readcnt, 
const unsigned char *writearr, unsigned char *readarr);
 int buspirate_spi_read(struct flashchip *flash, uint8_t *buf, int start, int 
len);
 
+/* dediprog.c */
+int dediprog_init(void);
+int dediprog_shutdown(void);
+
 /* flashrom.c */
 extern enum chipbustype buses_supported;
 struct decode_sizes {
Index: flashrom-dediprog/Makefile
===================================================================
--- flashrom-dediprog/Makefile  (Revision 862)
+++ flashrom-dediprog/Makefile  (Arbeitskopie)
@@ -96,6 +96,9 @@
 # Always enable Bus Pirate SPI for now.
 CONFIG_BUSPIRATESPI ?= yes
 
+# Always enable Dediprog SF100 for now.
+CONFIG_DEDIPROG ?= yes
+
 # Disable wiki printing by default. It is only useful if you have wiki access.
 CONFIG_PRINT_WIKI ?= no
 
@@ -160,6 +163,12 @@
 PROGRAMMER_OBJS += buspirate_spi.o
 endif
 
+ifeq ($(CONFIG_DEDIPROG), yes)
+FEATURE_CFLAGS += -D'DEDIPROG_SUPPORT=1'
+FEATURE_LIBS += -lusb
+PROGRAMMER_OBJS += dediprog.o
+endif
+
 # Ugly, but there's no elif/elseif.
 ifeq ($(CONFIG_SERPROG), yes)
 LIB_OBJS += serial.o
Index: flashrom-dediprog/flashrom.c
===================================================================
--- flashrom-dediprog/flashrom.c        (Revision 862)
+++ flashrom-dediprog/flashrom.c        (Arbeitskopie)
@@ -44,7 +44,7 @@
  * if more than one of them is selected. If only one is selected, it is clear
  * that the user wants that one to become the default.
  */
-#if 
NIC3COM_SUPPORT+GFXNVIDIA_SUPPORT+DRKAISER_SUPPORT+SATASII_SUPPORT+FT2232_SPI_SUPPORT+SERPROG_SUPPORT+BUSPIRATE_SPI_SUPPORT
 > 1
+#if 
NIC3COM_SUPPORT+GFXNVIDIA_SUPPORT+DRKAISER_SUPPORT+SATASII_SUPPORT+FT2232_SPI_SUPPORT+SERPROG_SUPPORT+BUSPIRATE_SPI_SUPPORT+DEDIPROG_SUPPORT
 > 1
 #error Please enable either CONFIG_DUMMY or CONFIG_INTERNAL or disable support 
for all external programmers except one.
 #endif
 enum programmer programmer =
@@ -69,6 +69,9 @@
 #if BUSPIRATE_SPI_SUPPORT == 1
        PROGRAMMER_BUSPIRATESPI
 #endif
+#if DEDIPROG_SUPPORT == 1
+       PROGRAMMER_DEDIPROG
+#endif
 ;
 #endif
 
@@ -283,6 +286,25 @@
        },
 #endif
 
+#if DEDIPROG_SUPPORT == 1
+       {
+               .name                   = "dediprog",
+               .init                   = dediprog_init,
+               .shutdown               = dediprog_shutdown,
+               .map_flash_region       = fallback_map,
+               .unmap_flash_region     = fallback_unmap,
+               .chip_readb             = noop_chip_readb,
+               .chip_readw             = fallback_chip_readw,
+               .chip_readl             = fallback_chip_readl,
+               .chip_readn             = fallback_chip_readn,
+               .chip_writeb            = noop_chip_writeb,
+               .chip_writew            = fallback_chip_writew,
+               .chip_writel            = fallback_chip_writel,
+               .chip_writen            = fallback_chip_writen,
+               .delay                  = internal_delay,
+       },
+#endif
+
        {}, /* This entry corresponds to PROGRAMMER_INVALID. */
 };
 
Index: flashrom-dediprog/dediprog.c
===================================================================
--- flashrom-dediprog/dediprog.c        (Revision 0)
+++ flashrom-dediprog/dediprog.c        (Revision 0)
@@ -0,0 +1,200 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2010 Carl-Daniel Hailfinger
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <usb.h>
+#include "flash.h"
+
+#define DEFAULT_TIMEOUT 3000
+usb_dev_handle *dediprog_handle;
+
+void print_hex(void *buf, size_t len)
+{
+       size_t i;
+
+       for (i = 0; i < len; i++)
+               msg_pdbg(" %02x", ((uint8_t *)buf)[i]);
+}
+
+struct usb_device *get_device_by_vid_pid(uint16_t vid, uint16_t pid)
+{
+       struct usb_bus *bus;
+       struct usb_device *dev;
+
+       for (bus = usb_get_busses(); bus; bus = bus->next)
+               for (dev = bus->devices; dev; dev = dev->next)
+                       if ((dev->descriptor.idVendor == vid) &&
+                           (dev->descriptor.idProduct == pid))
+                               return dev;
+
+       return NULL;
+}
+
+int dediprog_init(void)
+{
+       struct usb_device *dev;
+       int ret;
+       char buf[0x10];
+
+       msg_pspew("%s\n", __func__);
+
+       /* For now, just to make sure nothing is sent. */
+       buses_supported = CHIP_BUSTYPE_NONE;
+
+       /* Here comes the USB stuff. */
+       usb_init();
+       usb_find_busses();
+       usb_find_devices();
+       dev = get_device_by_vid_pid(0x0483, 0xdada);
+       if (!dev) {
+               msg_perr("Could not find a Dediprog SF100 on USB!\n");
+               return 1;
+       }
+       msg_pdbg("Found USB device (%04x:%04x).\n",
+                dev->descriptor.idVendor,
+                dev->descriptor.idProduct);
+       dediprog_handle = usb_open(dev);
+//int usb_control_msg(usb_dev_handle *dev, int requesttype, int request, int 
value, int index, char *bytes, int size, int timeout);
+       /* URB 6. Command A. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0xc3, 0xb, 0x0, 0x0, buf, 0x1, 
DEFAULT_TIMEOUT);
+       if ((ret != 0x1) || (buf[0] != 0x6f)) {
+               msg_perr("Unexpected response 0!\n");
+               return 1;
+       }
+       /* URB 7. Command A. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0xc3, 0xb, 0x0, 0x0, buf, 0x1, 
DEFAULT_TIMEOUT);
+       if ((ret != 0x1) || (buf[0] != 0x6f)) {
+               msg_perr("Unexpected response 1!\n");
+               return 1;
+       }
+       /* URB 8. Command B. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0xc3, 0x7, 0x0, 0xef03, buf, 
0x1, DEFAULT_TIMEOUT);
+       /* The char casting is needed to stop gcc complaining about an always 
true comparison. */
+       if ((ret != 0x1) || (buf[0] != (char)0xff)) {
+               msg_perr("Unexpected response 2!\n");
+               return 1;
+       }
+       /* URB 9. Command Receive Device String. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0xc2, 0x8, 0xff, 0xff, buf, 
0x10, DEFAULT_TIMEOUT);
+       if ((ret != 0x10) || !memcmp(buf, "SF100   V:2.1.1 ", 0x10)) {
+               msg_perr("Unexpected response 3!\n");
+               return 1;
+       }
+       /* URB 10. No idea. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0x42, 0x4, 0x0, 0x0, buf, 0x0, 
DEFAULT_TIMEOUT);
+       if (ret != 0x0) {
+               msg_perr("Unexpected response 4!\n");
+               return 1;
+       }
+       /* URB 11. No idea. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0x42, 0x9, 0x10, 0xff, buf, 0x0, 
DEFAULT_TIMEOUT);
+       if (ret != 0x0) {
+               msg_perr("Unexpected response 5!\n");
+               return 1;
+       }
+       /* URB 12. Command Send SPI. */
+       memset(buf, 0, sizeof(buf));
+       /* JEDEC RDID */
+       msg_pdbg("Sending RDID\n");
+       buf[0] = 0x9f;
+       ret = usb_control_msg(dediprog_handle, 0x42, 0x1, 0xff, 0x1, buf, 0x1, 
DEFAULT_TIMEOUT);
+       if (ret != 0x1) {
+               msg_perr("Unexpected response 6!\n");
+               return 1;
+       }
+       /* URB 13. Command Receive SPI. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0xc2, 0x01, 0xbb8, 0x0000, buf, 
0x4, DEFAULT_TIMEOUT);
+       if (ret != 0x4) {
+               msg_perr("Unexpected response 7!\n");
+               return 1;
+       }
+       msg_pdbg("Receiving response: ");
+       print_hex(buf, 0x10);
+#if 0
+       /* URB 14+15,16+17 are just RDID again. URB 18-27 are more SPI 
commands. */
+       /* URB 28. No idea. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0x42, 0x09, 0x0, 0xff, buf, 0x0, 
DEFAULT_TIMEOUT);
+       if (ret != 0x0)) {
+               msg_perr("Unexpected response 8!\n");
+               return 1;
+       }
+       /* URB 29-38. No idea. Wait unsuccessfully for 544 (maybe 600) ms to 
read one byte.
+        * Could also be a wait for 10 requests.
+        */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0xc2, 0x11, 0xff, 0xff, buf, 
0x1, 544);
+       if (ret != 0x0) {
+               msg_perr("Unexpected response 9!\n");
+               return 1;
+       }
+       /* URB 39 is just URB 11. */
+       /* URB 40. No idea. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, 0x42, 0x61, 0x2, 0xff, buf, 0x0, 
DEFAULT_TIMEOUT);
+       if (ret != 0x0) {
+               msg_perr("Unexpected response 10!\n");
+               return 1;
+       }
+       /* URB 41 is just URB 28. */
+       /* URB 42,44,46,48,51,53 is just URB 8. */
+       /* URB 43,45,47,49,52,54 is just URB 9. */
+       /* URB 50 is just URB 6/7. */
+       /* URB 55-131 is just URB 29-38. (wait unsuccessfully for 4695 (maybe 
4751) ms)*/
+       /* URB 132,134 is just URB 6/7. */
+       /* URB 133 is just URB 29-38. */
+       /* URB 135 is just URB 8. */
+       /* URB 136 is just URB 9. */
+       /* URB 137 is just URB 11. */
+
+       /* Command I is probably Start Bulk Read. Data is u16 blockcount, u16 
blocksize. */
+
+       /* URB  is just URB . */
+       /* URB . No idea. */
+       memset(buf, 0, sizeof(buf));
+       ret = usb_control_msg(dediprog_handle, , buf, , DEFAULT_TIMEOUT);
+       if ((ret != 0x1) || (buf[0] != )) {
+               msg_perr("Unexpected response 11!\n");
+               return 1;
+       }
+#endif 
+
+       return 0;
+}
+
+int dediprog_shutdown(void)
+{
+       msg_pspew("%s\n", __func__);
+
+       if (usb_close(dediprog_handle)) {
+               msg_perr("Couldn't close USB device!\n");
+               return 1;
+       }
+       return 0;
+}


-- 
Developer quote of the year:
"We are juggling too many chainsaws and flaming arrows and tigers."


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