eCos flash driver.
authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 28 Feb 2008 08:25:46 +0000 (08:25 +0000)
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 28 Feb 2008 08:25:46 +0000 (08:25 +0000)
git-svn-id: svn://svn.berlios.de/openocd/trunk@365 b42882b7-edfa-0310-969c-e2dbd0fdcd60

ecosflash/Makefile [new file with mode: 0644]
ecosflash/at91eb40a.elf [new file with mode: 0644]
ecosflash/debug_at91eb40a.elf [new file with mode: 0644]
ecosflash/flash.S [new file with mode: 0644]
ecosflash/flash.c [new file with mode: 0644]
ecosflash/flash.map [new file with mode: 0644]
ecosflash/notes.txt [new file with mode: 0644]
src/flash/Makefile.am
src/flash/ecos.c [new file with mode: 0644]
src/flash/flash.c

diff --git a/ecosflash/Makefile b/ecosflash/Makefile
new file mode 100644 (file)
index 0000000..dfff37c
--- /dev/null
@@ -0,0 +1,11 @@
+# Create OpenOCD eCos flash driver
+# Syntax: make INSTALL_DIR=ecosinstalldir OUTPUT=outputname
+
+include $(INSTALL_DIR)/include/pkgconf/ecos.mak
+
+all:
+       $(ECOS_COMMAND_PREFIX)gcc $(ECOS_GLOBAL_CFLAGS) $(ECOS_GLOBAL_LDFLAGS) -g -o debug_$(OUTPUT).elf -nostdlib  flash.S flash.c -Wl,--gc-sections -I$(INSTALL_DIR)/include -Wl,$(INSTALL_DIR)/lib/libtarget.a -Wl,-Map,flash.map   
+       cp debug_$(OUTPUT).elf $(OUTPUT).elf
+       $(ECOS_COMMAND_PREFIX)strip $(OUTPUT).elf
+       echo Flash driver $(OUTPUT).elf
+
diff --git a/ecosflash/at91eb40a.elf b/ecosflash/at91eb40a.elf
new file mode 100644 (file)
index 0000000..451657a
Binary files /dev/null and b/ecosflash/at91eb40a.elf differ
diff --git a/ecosflash/debug_at91eb40a.elf b/ecosflash/debug_at91eb40a.elf
new file mode 100644 (file)
index 0000000..0bada05
Binary files /dev/null and b/ecosflash/debug_at91eb40a.elf differ
diff --git a/ecosflash/flash.S b/ecosflash/flash.S
new file mode 100644 (file)
index 0000000..dc30d16
--- /dev/null
@@ -0,0 +1,58 @@
+/*
+       Jump table for flash driver
+       
+       Registers in ARM callling convention is to place args in registers 
+       starting at r0.
+       
+       So for:
+       
+       void foo(int a, int b, int c).
+       
+       a=r0
+       b=r1
+       c=r2
+       
+       
+*/
+       .global _stack_base
+       .global _stack_start
+       .global _workarea
+       .global _start
+       .global _start_bss_clear
+_start:
+       // offset=0
+       // int erase(void *address, int len)
+       ldr     sp,=_stack_start                
+       bl erase
+       nop // Stop CPU here using hw breakpoint
+       
+       // offset=0xc
+       // int program(void *buffer, void *address, int len)    
+       ldr     sp,=_stack_start              
+       bl program
+       nop // Stop CPU here using hw breakpoint
+       
+       // offset=0x18
+       ldr     r0,=_workarea                
+       nop // Stop CPU here using hw breakpoint
+       
+       // offset=0x20
+       // int init() - returns error message if the flash chip can't be detected       
+       ldr     sp,=_stack_start              
+       bl init
+       nop // Stop CPU here using hw breakpoint
+
+    .section ".bss"
+    .balign 4
+_stack_base:
+        .rept 4096
+        .byte 0
+        .endr
+_stack_start:
+    .balign 4
+_workarea:
+        .rept 8192
+        .byte 0
+        .endr
+       // NB!!! we clear bss while the stack is in use, so we start BSS clearing here !!! :-)
+_start_bss_clear:
diff --git a/ecosflash/flash.c b/ecosflash/flash.c
new file mode 100644 (file)
index 0000000..654273d
--- /dev/null
@@ -0,0 +1,72 @@
+#include <string.h>
+#define _FLASH_PRIVATE_
+#include <cyg/io/flash.h>
+
+
+
+int myprintf(char *format, ...)
+{
+  return 0;
+}
+
+extern char _start_bss_clear;
+extern char __bss_end__;
+
+int init()
+{
+       // set up runtime environment
+       char *t;
+       for (t=&_start_bss_clear; t<&__bss_end__; t++)
+       {
+               *t=0;
+       }
+       return flash_init((_printf *)&myprintf);
+       
+}
+
+
+int checkFlash(void *addr, int len)
+{
+    // Return error for illegal addresses
+    if ((addr<flash_info.start)||(addr>flash_info.end))
+       return FLASH_ERR_INVALID;
+    if ((((cyg_uint8 *)addr)+len)>(cyg_uint8 *)flash_info.end)
+       return FLASH_ERR_INVALID;
+    return FLASH_ERR_OK;
+}
+
+
+int erase(void *address, int len)      
+{
+       int retval;
+       void *failAddress;
+       
+       retval=checkFlash(address, len);
+       if (retval!=0)
+               return retval;
+       
+       retval=init();
+       if (retval!=0)
+               return retval;
+       return flash_erase(address, len, &failAddress);
+}
+
+
+
+extern char _end;
+
+// Data follows immediately after program, long word aligned.
+int program(void *buffer, void *address, int len)      
+{
+       int retval;
+       void *failAddress;
+       retval=checkFlash(address, len);
+       if (retval!=0)
+               return retval;
+       
+       retval=init();
+       if (retval!=0)
+               return retval;
+       //int flash_program(void *_addr, void *_data, int len, void **err_addr)
+       return flash_program(address, buffer, len, &failAddress);
+}
diff --git a/ecosflash/flash.map b/ecosflash/flash.map
new file mode 100644 (file)
index 0000000..d47258b
--- /dev/null
@@ -0,0 +1,390 @@
+Archive member included because of file (symbol)
+
+/tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
+                              /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o (flash_init)
+/tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
+                              /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) (flash_hwr_init)
+/tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
+                              /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) (memcpy)
+/tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
+                              /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) (memcmp)
+
+Memory Configuration
+
+Name             Origin             Length             Attributes
+*default*        0x00000000         0xffffffff
+
+Linker script and memory map
+
+LOAD /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o
+LOAD /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
+LOAD /tmp/ecosboard/ecos/install/lib/libtarget.a
+                0x00008000                PROVIDE (__executable_start, 0x8000)
+                0x00008000                . = 0x8000
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+
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+
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+.debug_abbrev   0x00000000      0x67c
+ *(.debug_abbrev)
+ .debug_abbrev  0x00000000       0x14 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o
+ .debug_abbrev  0x00000014      0x17d /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
+ .debug_abbrev  0x00000191      0x15f /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
+ .debug_abbrev  0x000002f0      0x238 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
+ .debug_abbrev  0x00000528       0xb4 /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
+ .debug_abbrev  0x000005dc       0xa0 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
+
+.debug_line     0x00000000      0x8de
+ *(.debug_line)
+ .debug_line    0x00000000       0x3e /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o
+ .debug_line    0x0000003e       0xf6 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
+ .debug_line    0x00000134      0x255 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
+ .debug_line    0x00000389      0x287 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
+ .debug_line    0x00000610      0x16c /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
+ .debug_line    0x0000077c      0x162 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
+
+.debug_frame    0x00000000      0x2c0
+ *(.debug_frame)
+ .debug_frame   0x00000000       0xa4 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
+ .debug_frame   0x000000a4      0x110 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
+ .debug_frame   0x000001b4       0xac /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
+ .debug_frame   0x00000260       0x38 /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
+ .debug_frame   0x00000298       0x28 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
+
+.debug_str      0x00000000      0x508
+ *(.debug_str)
+ .debug_str     0x00000000      0x131 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
+                                0x191 (size before relaxing)
+ .debug_str     0x00000131      0x152 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
+                                0x24e (size before relaxing)
+ .debug_str     0x00000283      0x194 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
+                                0x2c5 (size before relaxing)
+ .debug_str     0x00000417       0x7e /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
+                                0x11e (size before relaxing)
+ .debug_str     0x00000495       0x73 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
+                                0x119 (size before relaxing)
+
+.debug_loc
+ *(.debug_loc)
+
+.debug_macinfo
+ *(.debug_macinfo)
+
+.debug_weaknames
+ *(.debug_weaknames)
+
+.debug_funcnames
+ *(.debug_funcnames)
+
+.debug_typenames
+ *(.debug_typenames)
+
+.debug_varnames
+ *(.debug_varnames)
+
+.stack          0x00080000        0x0
+                0x00080000                _stack = .
+ *(.stack)
+
+.note.gnu.arm.ident
+ *(.note.gnu.arm.ident)
+
+/DISCARD/
+ *(.note.GNU-stack)
+OUTPUT(debug_eb40a.elf elf32-littlearm)
+
+.debug_ranges   0x00000000       0xb8
+ .debug_ranges  0x00000000       0x18 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
+ .debug_ranges  0x00000018       0x48 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
+ .debug_ranges  0x00000060       0x30 /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
+ .debug_ranges  0x00000090       0x28 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
diff --git a/ecosflash/notes.txt b/ecosflash/notes.txt
new file mode 100644 (file)
index 0000000..2183912
--- /dev/null
@@ -0,0 +1,111 @@
+1. GDB startup script for debugging purposes.\r
+\r
+# startup script for debugging flash erase\r
+target remote 10.0.0.56:2001\r
+monitor halt\r
+monitor reset\r
+load\r
+# stack\r
+monitor rm 13 0x7000\r
+# pc \r
+monitor rm 15 0x8000\r
+# arg1 to erase()\r
+monitor rm 0 0x1030000\r
+# arg2 to erase()\r
+monitor rm 1 0x10000\r
+stepi\r
+\r
+\r
+\r
+2. Uploading flash driver via tftp\r
+\r
+\r
+$ tftp 10.0.0.108\r
+tftp> binary\r
+tftp> put at91fr40162.bin 10.0.0.108:/config/flashdriver.bin\r
+Sent 4048 bytes in 0.1 seconds\r
+tftp>\r
+\r
+\r
+4. Programming flash\r
+\r
+eCosBoard_prog 0x1000000 /config/testdata.bin\r
\r
\r
+tftp> put /cygdrive/c/workspace/ecosboard/ecosboard/phi/bootloader/images/bootloader.bin 10.0.0.108:/config/test.bin\r
+Sent 165724 bytes in 3.9 seconds\r
+\r
+\r
+halt\r
+reg cpsr 0x000000D3\r
+mww 0xFFE00020 0x1\r
+mww 0xFFE00024 0x00000000\r
+mww 0xFFE00000 0x01002539\r
+eCosBoard_profile\r
+eCosBoard_prog /config/test.bin 0x1000000\r
+eCosBoard_profile_done\r
+\r
+\r
+\r
+\r
+set remote memory-write-packet-size fixed\r
+\r
+\r
+set remote memory-write-packet-size 8192\r
+set remote memory-map-packet on\r
+target remote 10.0.0.108:3333\r
+monitor halt\r
+monitor reg cpsr 0x000000D3\r
+monitor mww 0xFFE00020 0x1\r
+monitor mww 0xFFE00024 0x00000000\r
+monitor mww 0xFFE00000 0x01002539\r
+\r
+\r
+monitor eCosBoard_profile\r
+load\r
+monitor eCosBoard_profile_done\r
+\r
+\r
+source /tmp/ecosboard/packages/services/profile/gprof/current/host/gprof.gdb\r
+gprof_dump\r
+shell cp gmon.out /tmp/ecosboard/build/src\r
+echo To view: cd /tmp/ecosboard/build/src && gprof openocd\r
+\r
+\r
+Performance problems:\r
+\r
+It seems the problem is that the actual flash programming takes time. \r
+hal_delay_us() is invoked between each time the \r
+CPU is polled for whether flash programming has completed.\r
+\r
+\r
+Flat profile:\r
+\r
+Each sample counts as 0.01 seconds.\r
+  %   cumulative   self              self     total\r
+ time   seconds   seconds    calls  Ts/call  Ts/call  name\r
+ 35.82     37.66    37.66                             hal_delay_us\r
+ 11.90     50.17    12.51                             arm7tdmi_clock_out\r
+  9.86     60.54    10.37                             gdb_get_packet\r
+  5.36     66.17     5.63                             memcpy\r
+  4.34     70.73     4.56                             target_buffer_get_u32\r
+  3.34     74.25     3.51                             embeddedice_read_reg_w_che\r
+ck\r
+  1.39     75.71     1.46                             arm7_9_write_memory\r
+  1.34     77.11     1.40                             cyg_tcp_output\r
+  1.33     78.51     1.40                             __udivsi3\r
+  1.11     79.68     1.17                             cyg_tcp_input\r
+  1.07     80.80     1.13                             arm7tdmi_store_word_regs\r
+  0.95     81.81     1.00                             __udivdi3\r
+  0.95     82.80     1.00                             __umodsi3\r
+  0.93     83.78     0.98                             arm7tdmi_write_core_regs\r
+  0.86     84.68     0.91                             arm7_9_poll\r
+  0.85     85.57     0.89                             memset\r
+  0.77     86.38     0.81                             cyg_splx\r
+  0.64     87.05     0.67                             cyg_in_cksumdata\r
+  0.63     87.71     0.66                             openeth_deliver\r
+  0.57     88.31     0.60                             strstr\r
+  0.51     88.85     0.53                             eth_drv_recv\r
+  0.49     89.36     0.52                             cyg_splinternal\r
+  0.49     89.88     0.52                             cyg_splimp\r
+  0.46     90.36     0.48                             cyg_ip_input
\ No newline at end of file
index 90f009e9161f7eb25104b8a30f422965ad5eae05..4d0280f610b96858e605ec118ee6b36012a986db 100644 (file)
@@ -3,7 +3,7 @@ AM_CPPFLAGS = -DPKGLIBDIR=\"$(pkglibdir)\" @CPPFLAGS@
 METASOURCES = AUTO
 noinst_LIBRARIES = libflash.a
 libflash_a_SOURCES = flash.c lpc2000.c cfi.c non_cfi.c at91sam7.c str7x.c str9x.c nand.c lpc3180_nand_controller.c \
-                                        stellaris.c str9xpec.c stm32x.c tms470.c \
+                                        stellaris.c str9xpec.c stm32x.c tms470.c ecos.c  \
                     s3c24xx_nand.c s3c2410_nand.c s3c2412_nand.c s3c2440_nand.c s3c2443_nand.c
 noinst_HEADERS = flash.h lpc2000.h cfi.h non_cfi.h at91sam7.h str7x.h str9x.h nand.h lpc3180_nand_controller.h \
                                 stellaris.h str9xpec.h stm32x.h tms470.h s3c24xx_nand.h s3c24xx_regs_nand.h
diff --git a/src/flash/ecos.c b/src/flash/ecos.c
new file mode 100644 (file)
index 0000000..6aec41d
--- /dev/null
@@ -0,0 +1,481 @@
+/***************************************************************************\r
+ *   Copyright (C) 2008 Øyvind Harboe                                      *\r
+ *   oyvind.harboe@zylin.com                                               *\r
+ *                                                                         *\r
+ *   This program is free software; you can redistribute it and/or modify  *\r
+ *   it under the terms of the GNU General Public License as published by  *\r
+ *   the Free Software Foundation; either version 2 of the License, or     *\r
+ *   (at your option) any later version.                                   *\r
+ *                                                                         *\r
+ *   This program is distributed in the hope that it will be useful,       *\r
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
+ *   GNU General Public License for more details.                          *\r
+ *                                                                         *\r
+ *   You should have received a copy of the GNU General Public License     *\r
+ *   along with this program; if not, write to the                         *\r
+ *   Free Software Foundation, Inc.,                                       *\r
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
+ ***************************************************************************/\r
+#ifdef HAVE_CONFIG_H\r
+#include "config.h"\r
+#endif\r
+\r
+#include "replacements.h"\r
+\r
+\r
+#include "flash.h"\r
+\r
+#include "target.h"\r
+\r
+#include "flash.h"\r
+#include "target.h"\r
+#include "log.h"\r
+#include "binarybuffer.h"\r
+#include "../target/embeddedice.h"\r
+#include "types.h"\r
+\r
+\r
+\r
+int ecosflash_register_commands(struct command_context_s *cmd_ctx);\r
+int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
+int ecosflash_erase(struct flash_bank_s *bank, int first, int last);\r
+int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last);\r
+int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
+int ecosflash_probe(struct flash_bank_s *bank);\r
+int ecosflash_erase_check(struct flash_bank_s *bank);\r
+int ecosflash_protect_check(struct flash_bank_s *bank);\r
+int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
+\r
+u32 ecosflash_get_flash_status(flash_bank_t *bank);\r
+void ecosflash_set_flash_mode(flash_bank_t *bank,int mode);\r
+u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);\r
+int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+\r
+flash_driver_t ecosflash_flash =\r
+{\r
+       .name = "ecosflash",\r
+       .register_commands = ecosflash_register_commands,\r
+       .flash_bank_command = ecosflash_flash_bank_command,\r
+       .erase = ecosflash_erase,\r
+       .protect = ecosflash_protect,\r
+       .write = ecosflash_write,\r
+       .probe = ecosflash_probe,\r
+       .auto_probe = ecosflash_probe,\r
+       .erase_check = ecosflash_erase_check,\r
+       .protect_check = ecosflash_protect_check,\r
+       .info = ecosflash_info\r
+};\r
+\r
+typedef struct ecosflash_flash_bank_s\r
+{\r
+       struct target_s *target;\r
+       working_area_t *write_algorithm;\r
+       working_area_t *erase_check_algorithm;\r
+       char *driverPath;\r
+       u32 start_address;\r
+} ecosflash_flash_bank_t;\r
+\r
+static const int sectorSize=0x10000;\r
+\r
+#define FLASH_ERR_OK              0x00  // No error - operation complete\r
+#define FLASH_ERR_INVALID         0x01  // Invalid FLASH address\r
+#define FLASH_ERR_ERASE           0x02  // Error trying to erase\r
+#define FLASH_ERR_LOCK            0x03  // Error trying to lock/unlock\r
+#define FLASH_ERR_PROGRAM         0x04  // Error trying to program\r
+#define FLASH_ERR_PROTOCOL        0x05  // Generic error\r
+#define FLASH_ERR_PROTECT         0x06  // Device/region is write-protected\r
+#define FLASH_ERR_NOT_INIT        0x07  // FLASH info not yet initialized\r
+#define FLASH_ERR_HWR             0x08  // Hardware (configuration?) problem\r
+#define FLASH_ERR_ERASE_SUSPEND   0x09  // Device is in erase suspend mode\r
+#define FLASH_ERR_PROGRAM_SUSPEND 0x0a  // Device is in in program suspend mode\r
+#define FLASH_ERR_DRV_VERIFY      0x0b  // Driver failed to verify data\r
+#define FLASH_ERR_DRV_TIMEOUT     0x0c  // Driver timed out waiting for device\r
+#define FLASH_ERR_DRV_WRONG_PART  0x0d  // Driver does not support device\r
+#define FLASH_ERR_LOW_VOLTAGE     0x0e  // Not enough juice to complete job\r
+\r
+\r
+char *\r
+flash_errmsg(int err)\r
+{\r
+    switch (err) {\r
+    case FLASH_ERR_OK:\r
+        return "No error - operation complete";\r
+    case FLASH_ERR_ERASE_SUSPEND:\r
+        return "Device is in erase suspend state";\r
+    case FLASH_ERR_PROGRAM_SUSPEND:\r
+        return "Device is in program suspend state";\r
+    case FLASH_ERR_INVALID:\r
+        return "Invalid FLASH address";\r
+    case FLASH_ERR_ERASE:\r
+        return "Error trying to erase";\r
+    case FLASH_ERR_LOCK:\r
+        return "Error trying to lock/unlock";\r
+    case FLASH_ERR_PROGRAM:\r
+        return "Error trying to program";\r
+    case FLASH_ERR_PROTOCOL:\r
+        return "Generic error";\r
+    case FLASH_ERR_PROTECT:\r
+        return "Device/region is write-protected";\r
+    case FLASH_ERR_NOT_INIT:\r
+        return "FLASH sub-system not initialized";\r
+    case FLASH_ERR_DRV_VERIFY:\r
+        return "Data verify failed after operation";\r
+    case FLASH_ERR_DRV_TIMEOUT:\r
+        return "Driver timed out waiting for device";\r
+    case FLASH_ERR_DRV_WRONG_PART:\r
+        return "Driver does not support device";\r
+    case FLASH_ERR_LOW_VOLTAGE:\r
+        return "Device reports low voltage";\r
+    default:\r
+        return "Unknown error";\r
+    }\r
+}\r
+\r
+\r
+/* flash bank ecosflash <base> <size> <chip_width> <bus_width> <target#> <driverPath>\r
+ */\r
+int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
+{\r
+       ecosflash_flash_bank_t *info;\r
+       \r
+       if (argc < 7)\r
+       {\r
+               WARNING("incomplete flash_bank ecosflash configuration");\r
+               return ERROR_FLASH_BANK_INVALID;\r
+       }\r
+       \r
+       info = malloc(sizeof(ecosflash_flash_bank_t));\r
+       if(info == NULL)\r
+       {\r
+               ERROR("no memory for flash bank info");\r
+               exit(-1);\r
+       }\r
+       bank->driver_priv = info;\r
+       info->driverPath=strdup(args[6]);\r
+\r
+       // eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as \r
+       // a way to improve impeadance matach between OpenOCD and eCos flash\r
+       // driver\r
+       int i = 0;\r
+       u32 offset = 0;\r
+       bank->num_sectors=bank->size/sectorSize;\r
+       bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);\r
+       for (i = 0; i < bank->num_sectors; i++)\r
+       {\r
+               bank->sectors[i].offset = offset;\r
+               bank->sectors[i].size = sectorSize;\r
+               offset += bank->sectors[i].size;\r
+               bank->sectors[i].is_erased = -1;\r
+               bank->sectors[i].is_protected = 0;\r
+       }\r
+       \r
+       info->target = get_target_by_num(strtoul(args[5], NULL, 0));\r
+       if (info->target == NULL)\r
+       {\r
+               ERROR("no target '%i' configured", (int)strtoul(args[5], NULL, 0));\r
+               exit(-1);\r
+       }\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+int loadDriver(ecosflash_flash_bank_t *info)\r
+{\r
+       u32 buf_cnt;\r
+       u32 image_size;\r
+       image_t image;  \r
+       \r
+       image.base_address_set = 0;\r
+       image.start_address_set = 0;\r
+       target_t *target=info->target;\r
+       \r
+       if (image_open(&image, info->driverPath, NULL) != ERROR_OK)\r
+       {\r
+               ERROR("load_image error: %s", image.error_str);\r
+               return ERROR_FLASH_BANK_INVALID;\r
+       }\r
+       \r
+       info->start_address=image.start_address;\r
+       \r
+       image_size = 0x0;\r
+       int i;\r
+       for (i = 0; i < image.num_sections; i++)\r
+       {\r
+               void *buffer = malloc(image.sections[i].size);\r
+               int retval;\r
+               if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)\r
+               {\r
+                       ERROR("image_read_section failed with error code: %i", retval);\r
+                       free(buffer);\r
+                       image_close(&image);\r
+                       return ERROR_FLASH_BANK_INVALID;\r
+               }\r
+               target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);\r
+               image_size += buf_cnt;\r
+               DEBUG("%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);\r
+               \r
+               free(buffer);\r
+       }\r
+\r
+       image_close(&image);\r
+\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+static int const OFFSET_ERASE=0x0;\r
+static int const OFFSET_ERASE_SIZE=0x8;\r
+static int const OFFSET_FLASH=0xc;\r
+static int const OFFSET_FLASH_SIZE=0x8;\r
+static int const OFFSET_GET_WORKAREA=0x18;\r
+static int const OFFSET_GET_WORKAREA_SIZE=0x4;\r
+\r
+\r
+int runCode(ecosflash_flash_bank_t *info, \r
+               u32 codeStart, u32 codeStop, u32 r0, u32 r1, u32 r2, \r
+               u32 *result,\r
+               // timeout in ms\r
+               int timeout)\r
+{\r
+       target_t *target=info->target;\r
+\r
+       reg_param_t reg_params[3];\r
+       armv4_5_algorithm_t armv4_5_info;\r
+       armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;\r
+       armv4_5_info.core_mode = ARMV4_5_MODE_SVC;\r
+       armv4_5_info.core_state = ARMV4_5_STATE_ARM;\r
+       \r
+       init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT);\r
+       init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);\r
+       init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);\r
+       \r
+       buf_set_u32(reg_params[0].value, 0, 32, r0);\r
+       buf_set_u32(reg_params[1].value, 0, 32, r1);\r
+       buf_set_u32(reg_params[2].value, 0, 32, r2);\r
+       \r
+       int retval;\r
+       if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,\r
+                       codeStart,\r
+                       codeStop, timeout, \r
+                       &armv4_5_info)) != ERROR_OK)\r
+       {\r
+               ERROR("error executing eCos flash algorithm");\r
+               return retval;\r
+       }\r
+       \r
+       *result=buf_get_u32(reg_params[0].value, 0, 32);\r
+       \r
+       destroy_reg_param(&reg_params[0]);\r
+       destroy_reg_param(&reg_params[1]);\r
+       destroy_reg_param(&reg_params[2]);\r
+       \r
+       return ERROR_OK;\r
+}\r
+\r
+int eCosBoard_erase(ecosflash_flash_bank_t *info, u32 address, u32 len)\r
+{\r
+       int retval;\r
+       int timeout = (len / 20480 + 1) * 1000; /*asume 20 KB/s*/ \r
+\r
+       retval=loadDriver(info);\r
+       if (retval!=ERROR_OK)\r
+               return retval;\r
+       \r
+       u32 flashErr;\r
+       retval=runCode(info, \r
+                       info->start_address+OFFSET_ERASE,\r
+                       info->start_address+OFFSET_ERASE+OFFSET_ERASE_SIZE,\r
+                       address,\r
+                       len,\r
+                       0,\r
+                       &flashErr,\r
+                       timeout\r
+                       );\r
+       if (retval!=ERROR_OK)\r
+               return retval;\r
+       \r
+       if (flashErr != 0x0)\r
+       {\r
+               ERROR("Flash erase failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));\r
+               return ERROR_JTAG_DEVICE_ERROR;\r
+       }\r
+\r
+       return ERROR_OK;\r
+}\r
+\r
+int eCosBoard_flash(ecosflash_flash_bank_t *info, void *data, u32 address, u32 len)\r
+{\r
+       target_t *target=info->target;\r
+       const int chunk=8192;\r
+       int retval=ERROR_OK;\r
+       int timeout = (chunk / 20480 + 1) * 1000; /*asume 20 KB/s + 1 second*/\r
+       \r
+       retval=loadDriver(info);\r
+       if (retval!=ERROR_OK)\r
+               return retval;\r
+       \r
+       u32 buffer;\r
+       retval=runCode(info, \r
+                       info->start_address+OFFSET_GET_WORKAREA,\r
+                       info->start_address+OFFSET_GET_WORKAREA+OFFSET_GET_WORKAREA_SIZE,\r
+                       0,\r
+                       0,\r
+                       0,\r
+                       &buffer,\r
+                       1000);\r
+       if (retval!=ERROR_OK)\r
+               return retval;\r
+       \r
+       \r
+       int i;\r
+    for (i=0; i<len; i+=chunk)\r
+    {\r
+               int t=len-i;\r
+               if (t>chunk)\r
+               {\r
+                       t=chunk;\r
+               }\r
+               \r
+               int retval;\r
+       retval=target_write_buffer(target, buffer, t, ((char *)data)+i);\r
+       if (retval != ERROR_OK)\r
+               return retval;\r
+       \r
+       u32 flashErr;\r
+       retval=runCode(info, \r
+                       info->start_address+OFFSET_FLASH,\r
+                       info->start_address+OFFSET_FLASH+OFFSET_FLASH_SIZE,\r
+                       buffer,\r
+                       address+i,\r
+                       t,\r
+                       &flashErr,\r
+                       timeout);\r
+       if (retval != ERROR_OK)\r
+               return retval;\r
+\r
+               if (flashErr != 0x0)\r
+               {\r
+                       ERROR("Flash prog failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));\r
+                       return ERROR_JTAG_DEVICE_ERROR;\r
+               }\r
+    }\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+int ecosflash_probe(struct flash_bank_s *bank)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+int ecosflash_register_commands(struct command_context_s *cmd_ctx)\r
+{\r
+       register_command(cmd_ctx, NULL, "ecosflash", NULL, COMMAND_ANY, NULL);\r
+       \r
+       return ERROR_OK;\r
+}\r
+\r
+/*\r
+static void command(flash_bank_t *bank, u8 cmd, u8 *cmd_buf)\r
+{\r
+       ecosflash_flash_bank_t *info = bank->driver_priv;\r
+       int i;\r
+       \r
+       if (info->target->endianness == TARGET_LITTLE_ENDIAN)\r
+       {\r
+               for (i = bank->bus_width; i > 0; i--)\r
+               {\r
+                       *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;\r
+               }\r
+       }\r
+       else\r
+       {\r
+               for (i = 1; i <= bank->bus_width; i++)\r
+               {\r
+                       *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;\r
+               }\r
+       }\r
+}\r
+*/\r
+\r
+u32 ecosflash_address(struct flash_bank_s *bank, u32 address)\r
+{\r
+       u32 retval = 0;\r
+       switch(bank->bus_width)\r
+       {\r
+               case 4:\r
+                       retval = address & 0xfffffffc;\r
+               case 2:\r
+                       retval = address & 0xfffffffe;\r
+               case 1:\r
+                       retval = address;\r
+       }\r
+       \r
+       return retval + bank->base;\r
+} \r
+\r
+\r
+int ecosflash_erase(struct flash_bank_s *bank, int first, int last)\r
+{\r
+       struct flash_bank_s *c=bank;\r
+       ecosflash_flash_bank_t *info = bank->driver_priv;\r
+       return eCosBoard_erase(info, c->base+first*sectorSize, sectorSize*(last-first+1)); \r
+}\r
+\r
+int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
+{\r
+       ecosflash_flash_bank_t *info = bank->driver_priv;\r
+       struct flash_bank_s *c=bank;\r
+       return eCosBoard_flash(info, buffer, c->base+offset, count);\r
+}\r
+\r
+\r
+int ecosflash_erase_check(struct flash_bank_s *bank)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+int ecosflash_protect_check(struct flash_bank_s *bank)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
+{\r
+       ecosflash_flash_bank_t *info = bank->driver_priv;\r
+       snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath);\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+u32 ecosflash_get_flash_status(flash_bank_t *bank)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+void ecosflash_set_flash_mode(flash_bank_t *bank,int mode)\r
+{\r
+       \r
+}\r
+\r
+u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+\r
+\r
+\r
index 2fefb4cd7668586f403ea20b218554fb821961f7..f1710851cfd642f7493f8d234fb8ef72f4c813ca 100644 (file)
@@ -64,6 +64,7 @@ extern flash_driver_t stellaris_flash;
 extern flash_driver_t str9xpec_flash;
 extern flash_driver_t stm32x_flash;
 extern flash_driver_t tms470_flash;
+extern flash_driver_t ecosflash_flash;\r
 
 flash_driver_t *flash_drivers[] =
 {
@@ -76,6 +77,7 @@ flash_driver_t *flash_drivers[] =
        &str9xpec_flash,
        &stm32x_flash,
        &tms470_flash,
+       &ecosflash_flash,\r
        NULL,
 };
 

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