eCos flash driver.
git-svn-id: svn://svn.berlios.de/openocd/trunk@365 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
parent
0689e3dd67
commit
d17e1cd933
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@ -0,0 +1,11 @@
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# Create OpenOCD eCos flash driver
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# Syntax: make INSTALL_DIR=ecosinstalldir OUTPUT=outputname
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include $(INSTALL_DIR)/include/pkgconf/ecos.mak
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all:
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$(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
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cp debug_$(OUTPUT).elf $(OUTPUT).elf
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$(ECOS_COMMAND_PREFIX)strip $(OUTPUT).elf
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echo Flash driver $(OUTPUT).elf
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Binary file not shown.
Binary file not shown.
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@ -0,0 +1,58 @@
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/*
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Jump table for flash driver
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Registers in ARM callling convention is to place args in registers
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starting at r0.
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So for:
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void foo(int a, int b, int c).
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a=r0
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b=r1
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c=r2
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*/
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.global _stack_base
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.global _stack_start
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.global _workarea
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.global _start
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.global _start_bss_clear
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_start:
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// offset=0
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// int erase(void *address, int len)
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ldr sp,=_stack_start
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bl erase
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nop // Stop CPU here using hw breakpoint
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// offset=0xc
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// int program(void *buffer, void *address, int len)
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ldr sp,=_stack_start
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bl program
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nop // Stop CPU here using hw breakpoint
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// offset=0x18
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ldr r0,=_workarea
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nop // Stop CPU here using hw breakpoint
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// offset=0x20
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// int init() - returns error message if the flash chip can't be detected
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ldr sp,=_stack_start
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bl init
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nop // Stop CPU here using hw breakpoint
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.section ".bss"
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.balign 4
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_stack_base:
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.rept 4096
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.byte 0
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.endr
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_stack_start:
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.balign 4
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_workarea:
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.rept 8192
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.byte 0
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.endr
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// NB!!! we clear bss while the stack is in use, so we start BSS clearing here !!! :-)
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_start_bss_clear:
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@ -0,0 +1,72 @@
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#include <string.h>
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#define _FLASH_PRIVATE_
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#include <cyg/io/flash.h>
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int myprintf(char *format, ...)
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{
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return 0;
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}
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extern char _start_bss_clear;
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extern char __bss_end__;
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int init()
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{
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// set up runtime environment
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char *t;
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for (t=&_start_bss_clear; t<&__bss_end__; t++)
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{
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*t=0;
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}
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return flash_init((_printf *)&myprintf);
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}
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int checkFlash(void *addr, int len)
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{
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// Return error for illegal addresses
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if ((addr<flash_info.start)||(addr>flash_info.end))
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return FLASH_ERR_INVALID;
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if ((((cyg_uint8 *)addr)+len)>(cyg_uint8 *)flash_info.end)
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return FLASH_ERR_INVALID;
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return FLASH_ERR_OK;
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}
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int erase(void *address, int len)
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{
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int retval;
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void *failAddress;
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retval=checkFlash(address, len);
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if (retval!=0)
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return retval;
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retval=init();
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if (retval!=0)
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return retval;
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return flash_erase(address, len, &failAddress);
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}
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extern char _end;
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// Data follows immediately after program, long word aligned.
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int program(void *buffer, void *address, int len)
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{
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int retval;
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void *failAddress;
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retval=checkFlash(address, len);
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if (retval!=0)
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return retval;
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retval=init();
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if (retval!=0)
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return retval;
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//int flash_program(void *_addr, void *_data, int len, void **err_addr)
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return flash_program(address, buffer, len, &failAddress);
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}
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@ -0,0 +1,390 @@
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Archive member included because of file (symbol)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
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/ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o (flash_init)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) (flash_hwr_init)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) (memcpy)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
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/tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) (memcmp)
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Memory Configuration
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Name Origin Length Attributes
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*default* 0x00000000 0xffffffff
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Linker script and memory map
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LOAD /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o
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LOAD /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
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LOAD /tmp/ecosboard/ecos/install/lib/libtarget.a
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0x00008000 PROVIDE (__executable_start, 0x8000)
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0x00008000 . = 0x8000
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0x00008034 myprintf
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0x00008094 erase
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0x00008288 0x20 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
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0x00008288 flash_dev_query
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0x000082a8 0x140 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
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0x000083e8 0x154 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
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0x0000853c 0xa4 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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0x0000853c flash_hwr_init
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.text.flash_hwr_map_error
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0x000085e0 0x4 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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0x000085e4 0x114 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
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0x000086f8 0x54
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.2ram.flash_query
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0x000086f8 0x54 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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||||
0x0000874c 0x230
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||||
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||||
0x0000874c 0x230 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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0x0000874c flash_erase_block
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||||
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||||
.2ram.flash_program_buf
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||||
0x0000897c 0xe8
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0x0000897c 0xe8 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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0x0000897c flash_program_buf
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||||
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||||
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|
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||||
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0x00008a64 0x1fb /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
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0x1fc (size before relaxing)
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*fill* 0x00008c5f 0x1 00
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0x00008c60 0x11c /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
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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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|
||||
.debug_pubnames
|
||||
0x00000117 0x91 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
|
||||
.debug_pubnames
|
||||
0x000001a8 0x1e /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
|
||||
.debug_pubnames
|
||||
0x000001c6 0x1f /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
|
||||
|
||||
.debug_info 0x00000000 0x1122
|
||||
*(.debug_info .gnu.linkonce.wi.*)
|
||||
.debug_info 0x00000000 0x6e /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o
|
||||
.debug_info 0x0000006e 0x322 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o
|
||||
.debug_info 0x00000390 0x4f6 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o)
|
||||
.debug_info 0x00000886 0x5b2 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o)
|
||||
.debug_info 0x00000e38 0x1c7 /tmp/ecosboard/ecos/install/lib/libtarget.a(infra_memcpy.o)
|
||||
.debug_info 0x00000fff 0x123 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o)
|
||||
|
||||
.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)
|
||||
|
|
@ -0,0 +1,111 @@
|
|||
1. GDB startup script for debugging purposes.
|
||||
|
||||
# startup script for debugging flash erase
|
||||
target remote 10.0.0.56:2001
|
||||
monitor halt
|
||||
monitor reset
|
||||
load
|
||||
# stack
|
||||
monitor rm 13 0x7000
|
||||
# pc
|
||||
monitor rm 15 0x8000
|
||||
# arg1 to erase()
|
||||
monitor rm 0 0x1030000
|
||||
# arg2 to erase()
|
||||
monitor rm 1 0x10000
|
||||
stepi
|
||||
|
||||
|
||||
|
||||
2. Uploading flash driver via tftp
|
||||
|
||||
|
||||
$ tftp 10.0.0.108
|
||||
tftp> binary
|
||||
tftp> put at91fr40162.bin 10.0.0.108:/config/flashdriver.bin
|
||||
Sent 4048 bytes in 0.1 seconds
|
||||
tftp>
|
||||
|
||||
|
||||
4. Programming flash
|
||||
|
||||
eCosBoard_prog 0x1000000 /config/testdata.bin
|
||||
|
||||
|
||||
tftp> put /cygdrive/c/workspace/ecosboard/ecosboard/phi/bootloader/images/bootloader.bin 10.0.0.108:/config/test.bin
|
||||
Sent 165724 bytes in 3.9 seconds
|
||||
|
||||
|
||||
halt
|
||||
reg cpsr 0x000000D3
|
||||
mww 0xFFE00020 0x1
|
||||
mww 0xFFE00024 0x00000000
|
||||
mww 0xFFE00000 0x01002539
|
||||
eCosBoard_profile
|
||||
eCosBoard_prog /config/test.bin 0x1000000
|
||||
eCosBoard_profile_done
|
||||
|
||||
|
||||
|
||||
|
||||
set remote memory-write-packet-size fixed
|
||||
|
||||
|
||||
set remote memory-write-packet-size 8192
|
||||
set remote memory-map-packet on
|
||||
target remote 10.0.0.108:3333
|
||||
monitor halt
|
||||
monitor reg cpsr 0x000000D3
|
||||
monitor mww 0xFFE00020 0x1
|
||||
monitor mww 0xFFE00024 0x00000000
|
||||
monitor mww 0xFFE00000 0x01002539
|
||||
|
||||
|
||||
monitor eCosBoard_profile
|
||||
load
|
||||
monitor eCosBoard_profile_done
|
||||
|
||||
|
||||
source /tmp/ecosboard/packages/services/profile/gprof/current/host/gprof.gdb
|
||||
gprof_dump
|
||||
shell cp gmon.out /tmp/ecosboard/build/src
|
||||
echo To view: cd /tmp/ecosboard/build/src && gprof openocd
|
||||
|
||||
|
||||
Performance problems:
|
||||
|
||||
It seems the problem is that the actual flash programming takes time.
|
||||
hal_delay_us() is invoked between each time the
|
||||
CPU is polled for whether flash programming has completed.
|
||||
|
||||
|
||||
Flat profile:
|
||||
|
||||
Each sample counts as 0.01 seconds.
|
||||
% cumulative self self total
|
||||
time seconds seconds calls Ts/call Ts/call name
|
||||
35.82 37.66 37.66 hal_delay_us
|
||||
11.90 50.17 12.51 arm7tdmi_clock_out
|
||||
9.86 60.54 10.37 gdb_get_packet
|
||||
5.36 66.17 5.63 memcpy
|
||||
4.34 70.73 4.56 target_buffer_get_u32
|
||||
3.34 74.25 3.51 embeddedice_read_reg_w_che
|
||||
ck
|
||||
1.39 75.71 1.46 arm7_9_write_memory
|
||||
1.34 77.11 1.40 cyg_tcp_output
|
||||
1.33 78.51 1.40 __udivsi3
|
||||
1.11 79.68 1.17 cyg_tcp_input
|
||||
1.07 80.80 1.13 arm7tdmi_store_word_regs
|
||||
0.95 81.81 1.00 __udivdi3
|
||||
0.95 82.80 1.00 __umodsi3
|
||||
0.93 83.78 0.98 arm7tdmi_write_core_regs
|
||||
0.86 84.68 0.91 arm7_9_poll
|
||||
0.85 85.57 0.89 memset
|
||||
0.77 86.38 0.81 cyg_splx
|
||||
0.64 87.05 0.67 cyg_in_cksumdata
|
||||
0.63 87.71 0.66 openeth_deliver
|
||||
0.57 88.31 0.60 strstr
|
||||
0.51 88.85 0.53 eth_drv_recv
|
||||
0.49 89.36 0.52 cyg_splinternal
|
||||
0.49 89.88 0.52 cyg_splimp
|
||||
0.46 90.36 0.48 cyg_ip_input
|
||||
|
|
@ -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
|
||||
|
|
|
|||
|
|
@ -0,0 +1,481 @@
|
|||
/***************************************************************************
|
||||
* Copyright (C) 2008 Øyvind Harboe *
|
||||
* oyvind.harboe@zylin.com *
|
||||
* *
|
||||
* 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; either version 2 of the License, or *
|
||||
* (at your option) any later version. *
|
||||
* *
|
||||
* 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., *
|
||||
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
||||
***************************************************************************/
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include "replacements.h"
|
||||
|
||||
|
||||
#include "flash.h"
|
||||
|
||||
#include "target.h"
|
||||
|
||||
#include "flash.h"
|
||||
#include "target.h"
|
||||
#include "log.h"
|
||||
#include "binarybuffer.h"
|
||||
#include "../target/embeddedice.h"
|
||||
#include "types.h"
|
||||
|
||||
|
||||
|
||||
int ecosflash_register_commands(struct command_context_s *cmd_ctx);
|
||||
int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
|
||||
int ecosflash_erase(struct flash_bank_s *bank, int first, int last);
|
||||
int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last);
|
||||
int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
|
||||
int ecosflash_probe(struct flash_bank_s *bank);
|
||||
int ecosflash_erase_check(struct flash_bank_s *bank);
|
||||
int ecosflash_protect_check(struct flash_bank_s *bank);
|
||||
int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size);
|
||||
|
||||
u32 ecosflash_get_flash_status(flash_bank_t *bank);
|
||||
void ecosflash_set_flash_mode(flash_bank_t *bank,int mode);
|
||||
u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);
|
||||
int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||
|
||||
flash_driver_t ecosflash_flash =
|
||||
{
|
||||
.name = "ecosflash",
|
||||
.register_commands = ecosflash_register_commands,
|
||||
.flash_bank_command = ecosflash_flash_bank_command,
|
||||
.erase = ecosflash_erase,
|
||||
.protect = ecosflash_protect,
|
||||
.write = ecosflash_write,
|
||||
.probe = ecosflash_probe,
|
||||
.auto_probe = ecosflash_probe,
|
||||
.erase_check = ecosflash_erase_check,
|
||||
.protect_check = ecosflash_protect_check,
|
||||
.info = ecosflash_info
|
||||
};
|
||||
|
||||
typedef struct ecosflash_flash_bank_s
|
||||
{
|
||||
struct target_s *target;
|
||||
working_area_t *write_algorithm;
|
||||
working_area_t *erase_check_algorithm;
|
||||
char *driverPath;
|
||||
u32 start_address;
|
||||
} ecosflash_flash_bank_t;
|
||||
|
||||
static const int sectorSize=0x10000;
|
||||
|
||||
#define FLASH_ERR_OK 0x00 // No error - operation complete
|
||||
#define FLASH_ERR_INVALID 0x01 // Invalid FLASH address
|
||||
#define FLASH_ERR_ERASE 0x02 // Error trying to erase
|
||||
#define FLASH_ERR_LOCK 0x03 // Error trying to lock/unlock
|
||||
#define FLASH_ERR_PROGRAM 0x04 // Error trying to program
|
||||
#define FLASH_ERR_PROTOCOL 0x05 // Generic error
|
||||
#define FLASH_ERR_PROTECT 0x06 // Device/region is write-protected
|
||||
#define FLASH_ERR_NOT_INIT 0x07 // FLASH info not yet initialized
|
||||
#define FLASH_ERR_HWR 0x08 // Hardware (configuration?) problem
|
||||
#define FLASH_ERR_ERASE_SUSPEND 0x09 // Device is in erase suspend mode
|
||||
#define FLASH_ERR_PROGRAM_SUSPEND 0x0a // Device is in in program suspend mode
|
||||
#define FLASH_ERR_DRV_VERIFY 0x0b // Driver failed to verify data
|
||||
#define FLASH_ERR_DRV_TIMEOUT 0x0c // Driver timed out waiting for device
|
||||
#define FLASH_ERR_DRV_WRONG_PART 0x0d // Driver does not support device
|
||||
#define FLASH_ERR_LOW_VOLTAGE 0x0e // Not enough juice to complete job
|
||||
|
||||
|
||||
char *
|
||||
flash_errmsg(int err)
|
||||
{
|
||||
switch (err) {
|
||||
case FLASH_ERR_OK:
|
||||
return "No error - operation complete";
|
||||
case FLASH_ERR_ERASE_SUSPEND:
|
||||
return "Device is in erase suspend state";
|
||||
case FLASH_ERR_PROGRAM_SUSPEND:
|
||||
return "Device is in program suspend state";
|
||||
case FLASH_ERR_INVALID:
|
||||
return "Invalid FLASH address";
|
||||
case FLASH_ERR_ERASE:
|
||||
return "Error trying to erase";
|
||||
case FLASH_ERR_LOCK:
|
||||
return "Error trying to lock/unlock";
|
||||
case FLASH_ERR_PROGRAM:
|
||||
return "Error trying to program";
|
||||
case FLASH_ERR_PROTOCOL:
|
||||
return "Generic error";
|
||||
case FLASH_ERR_PROTECT:
|
||||
return "Device/region is write-protected";
|
||||
case FLASH_ERR_NOT_INIT:
|
||||
return "FLASH sub-system not initialized";
|
||||
case FLASH_ERR_DRV_VERIFY:
|
||||
return "Data verify failed after operation";
|
||||
case FLASH_ERR_DRV_TIMEOUT:
|
||||
return "Driver timed out waiting for device";
|
||||
case FLASH_ERR_DRV_WRONG_PART:
|
||||
return "Driver does not support device";
|
||||
case FLASH_ERR_LOW_VOLTAGE:
|
||||
return "Device reports low voltage";
|
||||
default:
|
||||
return "Unknown error";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* flash bank ecosflash <base> <size> <chip_width> <bus_width> <target#> <driverPath>
|
||||
*/
|
||||
int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
|
||||
{
|
||||
ecosflash_flash_bank_t *info;
|
||||
|
||||
if (argc < 7)
|
||||
{
|
||||
WARNING("incomplete flash_bank ecosflash configuration");
|
||||
return ERROR_FLASH_BANK_INVALID;
|
||||
}
|
||||
|
||||
info = malloc(sizeof(ecosflash_flash_bank_t));
|
||||
if(info == NULL)
|
||||
{
|
||||
ERROR("no memory for flash bank info");
|
||||
exit(-1);
|
||||
}
|
||||
bank->driver_priv = info;
|
||||
info->driverPath=strdup(args[6]);
|
||||
|
||||
// eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as
|
||||
// a way to improve impeadance matach between OpenOCD and eCos flash
|
||||
// driver
|
||||
int i = 0;
|
||||
u32 offset = 0;
|
||||
bank->num_sectors=bank->size/sectorSize;
|
||||
bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
|
||||
for (i = 0; i < bank->num_sectors; i++)
|
||||
{
|
||||
bank->sectors[i].offset = offset;
|
||||
bank->sectors[i].size = sectorSize;
|
||||
offset += bank->sectors[i].size;
|
||||
bank->sectors[i].is_erased = -1;
|
||||
bank->sectors[i].is_protected = 0;
|
||||
}
|
||||
|
||||
info->target = get_target_by_num(strtoul(args[5], NULL, 0));
|
||||
if (info->target == NULL)
|
||||
{
|
||||
ERROR("no target '%i' configured", (int)strtoul(args[5], NULL, 0));
|
||||
exit(-1);
|
||||
}
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
int loadDriver(ecosflash_flash_bank_t *info)
|
||||
{
|
||||
u32 buf_cnt;
|
||||
u32 image_size;
|
||||
image_t image;
|
||||
|
||||
image.base_address_set = 0;
|
||||
image.start_address_set = 0;
|
||||
target_t *target=info->target;
|
||||
|
||||
if (image_open(&image, info->driverPath, NULL) != ERROR_OK)
|
||||
{
|
||||
ERROR("load_image error: %s", image.error_str);
|
||||
return ERROR_FLASH_BANK_INVALID;
|
||||
}
|
||||
|
||||
info->start_address=image.start_address;
|
||||
|
||||
image_size = 0x0;
|
||||
int i;
|
||||
for (i = 0; i < image.num_sections; i++)
|
||||
{
|
||||
void *buffer = malloc(image.sections[i].size);
|
||||
int retval;
|
||||
if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
|
||||
{
|
||||
ERROR("image_read_section failed with error code: %i", retval);
|
||||
free(buffer);
|
||||
image_close(&image);
|
||||
return ERROR_FLASH_BANK_INVALID;
|
||||
}
|
||||
target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
|
||||
image_size += buf_cnt;
|
||||
DEBUG("%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
|
||||
|
||||
free(buffer);
|
||||
}
|
||||
|
||||
image_close(&image);
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
static int const OFFSET_ERASE=0x0;
|
||||
static int const OFFSET_ERASE_SIZE=0x8;
|
||||
static int const OFFSET_FLASH=0xc;
|
||||
static int const OFFSET_FLASH_SIZE=0x8;
|
||||
static int const OFFSET_GET_WORKAREA=0x18;
|
||||
static int const OFFSET_GET_WORKAREA_SIZE=0x4;
|
||||
|
||||
|
||||
int runCode(ecosflash_flash_bank_t *info,
|
||||
u32 codeStart, u32 codeStop, u32 r0, u32 r1, u32 r2,
|
||||
u32 *result,
|
||||
// timeout in ms
|
||||
int timeout)
|
||||
{
|
||||
target_t *target=info->target;
|
||||
|
||||
reg_param_t reg_params[3];
|
||||
armv4_5_algorithm_t armv4_5_info;
|
||||
armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
|
||||
armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
|
||||
armv4_5_info.core_state = ARMV4_5_STATE_ARM;
|
||||
|
||||
init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT);
|
||||
init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
|
||||
init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
|
||||
|
||||
buf_set_u32(reg_params[0].value, 0, 32, r0);
|
||||
buf_set_u32(reg_params[1].value, 0, 32, r1);
|
||||
buf_set_u32(reg_params[2].value, 0, 32, r2);
|
||||
|
||||
int retval;
|
||||
if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,
|
||||
codeStart,
|
||||
codeStop, timeout,
|
||||
&armv4_5_info)) != ERROR_OK)
|
||||
{
|
||||
ERROR("error executing eCos flash algorithm");
|
||||
return retval;
|
||||
}
|
||||
|
||||
*result=buf_get_u32(reg_params[0].value, 0, 32);
|
||||
|
||||
destroy_reg_param(®_params[0]);
|
||||
destroy_reg_param(®_params[1]);
|
||||
destroy_reg_param(®_params[2]);
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int eCosBoard_erase(ecosflash_flash_bank_t *info, u32 address, u32 len)
|
||||
{
|
||||
int retval;
|
||||
int timeout = (len / 20480 + 1) * 1000; /*asume 20 KB/s*/
|
||||
|
||||
retval=loadDriver(info);
|
||||
if (retval!=ERROR_OK)
|
||||
return retval;
|
||||
|
||||
u32 flashErr;
|
||||
retval=runCode(info,
|
||||
info->start_address+OFFSET_ERASE,
|
||||
info->start_address+OFFSET_ERASE+OFFSET_ERASE_SIZE,
|
||||
address,
|
||||
len,
|
||||
0,
|
||||
&flashErr,
|
||||
timeout
|
||||
);
|
||||
if (retval!=ERROR_OK)
|
||||
return retval;
|
||||
|
||||
if (flashErr != 0x0)
|
||||
{
|
||||
ERROR("Flash erase failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int eCosBoard_flash(ecosflash_flash_bank_t *info, void *data, u32 address, u32 len)
|
||||
{
|
||||
target_t *target=info->target;
|
||||
const int chunk=8192;
|
||||
int retval=ERROR_OK;
|
||||
int timeout = (chunk / 20480 + 1) * 1000; /*asume 20 KB/s + 1 second*/
|
||||
|
||||
retval=loadDriver(info);
|
||||
if (retval!=ERROR_OK)
|
||||
return retval;
|
||||
|
||||
u32 buffer;
|
||||
retval=runCode(info,
|
||||
info->start_address+OFFSET_GET_WORKAREA,
|
||||
info->start_address+OFFSET_GET_WORKAREA+OFFSET_GET_WORKAREA_SIZE,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
&buffer,
|
||||
1000);
|
||||
if (retval!=ERROR_OK)
|
||||
return retval;
|
||||
|
||||
|
||||
int i;
|
||||
for (i=0; i<len; i+=chunk)
|
||||
{
|
||||
int t=len-i;
|
||||
if (t>chunk)
|
||||
{
|
||||
t=chunk;
|
||||
}
|
||||
|
||||
int retval;
|
||||
retval=target_write_buffer(target, buffer, t, ((char *)data)+i);
|
||||
if (retval != ERROR_OK)
|
||||
return retval;
|
||||
|
||||
u32 flashErr;
|
||||
retval=runCode(info,
|
||||
info->start_address+OFFSET_FLASH,
|
||||
info->start_address+OFFSET_FLASH+OFFSET_FLASH_SIZE,
|
||||
buffer,
|
||||
address+i,
|
||||
t,
|
||||
&flashErr,
|
||||
timeout);
|
||||
if (retval != ERROR_OK)
|
||||
return retval;
|
||||
|
||||
if (flashErr != 0x0)
|
||||
{
|
||||
ERROR("Flash prog failed with %d (%s)\n", flashErr, flash_errmsg(flashErr));
|
||||
return ERROR_JTAG_DEVICE_ERROR;
|
||||
}
|
||||
}
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
int ecosflash_probe(struct flash_bank_s *bank)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
int ecosflash_register_commands(struct command_context_s *cmd_ctx)
|
||||
{
|
||||
register_command(cmd_ctx, NULL, "ecosflash", NULL, COMMAND_ANY, NULL);
|
||||
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
static void command(flash_bank_t *bank, u8 cmd, u8 *cmd_buf)
|
||||
{
|
||||
ecosflash_flash_bank_t *info = bank->driver_priv;
|
||||
int i;
|
||||
|
||||
if (info->target->endianness == TARGET_LITTLE_ENDIAN)
|
||||
{
|
||||
for (i = bank->bus_width; i > 0; i--)
|
||||
{
|
||||
*cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (i = 1; i <= bank->bus_width; i++)
|
||||
{
|
||||
*cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
|
||||
}
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
u32 ecosflash_address(struct flash_bank_s *bank, u32 address)
|
||||
{
|
||||
u32 retval = 0;
|
||||
switch(bank->bus_width)
|
||||
{
|
||||
case 4:
|
||||
retval = address & 0xfffffffc;
|
||||
case 2:
|
||||
retval = address & 0xfffffffe;
|
||||
case 1:
|
||||
retval = address;
|
||||
}
|
||||
|
||||
return retval + bank->base;
|
||||
}
|
||||
|
||||
|
||||
int ecosflash_erase(struct flash_bank_s *bank, int first, int last)
|
||||
{
|
||||
struct flash_bank_s *c=bank;
|
||||
ecosflash_flash_bank_t *info = bank->driver_priv;
|
||||
return eCosBoard_erase(info, c->base+first*sectorSize, sectorSize*(last-first+1));
|
||||
}
|
||||
|
||||
int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
|
||||
{
|
||||
ecosflash_flash_bank_t *info = bank->driver_priv;
|
||||
struct flash_bank_s *c=bank;
|
||||
return eCosBoard_flash(info, buffer, c->base+offset, count);
|
||||
}
|
||||
|
||||
|
||||
int ecosflash_erase_check(struct flash_bank_s *bank)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int ecosflash_protect_check(struct flash_bank_s *bank)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size)
|
||||
{
|
||||
ecosflash_flash_bank_t *info = bank->driver_priv;
|
||||
snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath);
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
u32 ecosflash_get_flash_status(flash_bank_t *bank)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
void ecosflash_set_flash_mode(flash_bank_t *bank,int mode)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||
{
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
@ -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;
|
||||
|
||||
flash_driver_t *flash_drivers[] =
|
||||
{
|
||||
|
|
@ -76,6 +77,7 @@ flash_driver_t *flash_drivers[] =
|
|||
&str9xpec_flash,
|
||||
&stm32x_flash,
|
||||
&tms470_flash,
|
||||
&ecosflash_flash,
|
||||
NULL,
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue