From d17e1cd93384d56886be7e67cf2b31e97118d811 Mon Sep 17 00:00:00 2001 From: oharboe Date: Thu, 28 Feb 2008 08:25:46 +0000 Subject: [PATCH] eCos flash driver. git-svn-id: svn://svn.berlios.de/openocd/trunk@365 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- ecosflash/Makefile | 11 + ecosflash/at91eb40a.elf | Bin 0 -> 36832 bytes ecosflash/debug_at91eb40a.elf | Bin 0 -> 49447 bytes ecosflash/flash.S | 58 ++++ ecosflash/flash.c | 72 +++++ ecosflash/flash.map | 390 +++++++++++++++++++++++++++ ecosflash/notes.txt | 111 ++++++++ src/flash/Makefile.am | 2 +- src/flash/ecos.c | 481 ++++++++++++++++++++++++++++++++++ src/flash/flash.c | 2 + 10 files changed, 1126 insertions(+), 1 deletion(-) create mode 100644 ecosflash/Makefile create mode 100644 ecosflash/at91eb40a.elf create mode 100644 ecosflash/debug_at91eb40a.elf create mode 100644 ecosflash/flash.S create mode 100644 ecosflash/flash.c create mode 100644 ecosflash/flash.map create mode 100644 ecosflash/notes.txt create mode 100644 src/flash/ecos.c diff --git a/ecosflash/Makefile b/ecosflash/Makefile new file mode 100644 index 00000000..dfff37c2 --- /dev/null +++ b/ecosflash/Makefile @@ -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 index 0000000000000000000000000000000000000000..451657a5a506ab1f60981b8b3627288c8950bc8f GIT binary patch literal 36832 zcmeH~U2Ggz701u)ZWFWKxC3#)N-S{^DUDFy*cGf3DZ>w!_{o*v7hMy)Dq|zDbn0MzpmW*>BothYgcjgLbnuc(+~;_jEu{2Xqqk 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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 index 00000000..654273d3 --- /dev/null +++ b/ecosflash/flash.c @@ -0,0 +1,72 @@ +#include +#define _FLASH_PRIVATE_ +#include + + + +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 ((addrflash_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 index 00000000..d47258b7 --- /dev/null +++ b/ecosflash/flash.map @@ -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 + +.interp + *(.interp) + +.hash + *(.hash) + +.dynsym + *(.dynsym) + +.dynstr + *(.dynstr) + +.gnu.version + *(.gnu.version) + +.gnu.version_d + *(.gnu.version_d) + +.gnu.version_r + *(.gnu.version_r) + +.rel.dyn + *(.rel.init) + *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) + *(.rel.fini) + *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) + *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) + *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) + *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) + *(.rel.ctors) + *(.rel.dtors) + *(.rel.got) + *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) + +.rela.dyn + *(.rela.init) + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.fini) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) + *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) + *(.rela.ctors) + *(.rela.dtors) + *(.rela.got) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + +.rel.plt + *(.rel.plt) + +.rela.plt + *(.rela.plt) + +.init + *(.init) + +.plt + *(.plt) + +.text 0x00008000 0x6f8 + *(.text .stub .text.* .gnu.linkonce.t.*) + .text 0x00008000 0x34 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o + 0x00008000 _start + .text.myprintf + 0x00008034 0x10 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o + 0x00008034 myprintf + .text.init 0x00008044 0x50 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o + 0x00008044 init + .text.erase 0x00008094 0xc0 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o + 0x00008094 erase + .text.program 0x00008154 0xc8 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o + 0x00008154 program + .text.flash_init + 0x0000821c 0x6c /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + 0x0000821c flash_init + .text.flash_dev_query + 0x00008288 0x20 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + 0x00008288 flash_dev_query + .text.flash_erase + 0x000082a8 0x140 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + 0x000082a8 flash_erase + .text.flash_program + 0x000083e8 0x154 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + 0x000083e8 flash_program + .text.flash_hwr_init + 0x0000853c 0xa4 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + 0x0000853c flash_hwr_init + .text.flash_hwr_map_error + 0x000085e0 0x4 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + 0x000085e0 flash_hwr_map_error + .text.__memcmp + 0x000085e4 0x114 /tmp/ecosboard/ecos/install/lib/libtarget.a(language_c_libc_string_memcmp.o) + 0x000085e4 memcmp + 0x000085e4 __memcmp + *(.gnu.warning) + *(.glue_7t) + *(.glue_7) + +.2ram.flash_query + 0x000086f8 0x54 + .2ram.flash_query + 0x000086f8 0x54 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + 0x000086f8 flash_query + +.2ram.flash_erase_block + 0x0000874c 0x230 + .2ram.flash_erase_block + 0x0000874c 0x230 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + 0x0000874c flash_erase_block + +.2ram.flash_program_buf + 0x0000897c 0xe8 + .2ram.flash_program_buf + 0x0000897c 0xe8 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + 0x0000897c flash_program_buf + +.fini + *(.fini) + 0x00008a64 PROVIDE (__etext, .) + 0x00008a64 PROVIDE (_etext, .) + 0x00008a64 PROVIDE (etext, .) + +.rodata 0x00008a64 0x318 + *(.rodata .rodata.* .gnu.linkonce.r.*) + .rodata.str1.4 + 0x00008a64 0x1fb /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + 0x1fc (size before relaxing) + *fill* 0x00008c5f 0x1 00 + .rodata.supported_devices + 0x00008c60 0x11c /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + +.rodata1 + *(.rodata1) + +.eh_frame_hdr + *(.eh_frame_hdr) + 0x00008e7c . = (ALIGN (0x100) + (. & 0xff)) + 0x00008e7c . = ALIGN (0x4) + 0x00008e7c PROVIDE (__preinit_array_start, .) + +.preinit_array + *(.preinit_array) + 0x00008e7c PROVIDE (__preinit_array_end, .) + 0x00008e7c PROVIDE (__init_array_start, .) + +.init_array + *(.init_array) + 0x00008e7c PROVIDE (__init_array_end, .) + 0x00008e7c PROVIDE (__fini_array_start, .) + +.fini_array + *(.fini_array) + 0x00008e7c PROVIDE (__fini_array_end, .) + +.data 0x00008e7c 0x0 + 0x00008e7c __data_start = . + *(.data .data.* .gnu.linkonce.d.*) + +.data1 + *(.data1) + +.tdata + *(.tdata .tdata.* .gnu.linkonce.td.*) + +.tbss + *(.tbss .tbss.* .gnu.linkonce.tb.*) + *(.tcommon) + +.eh_frame + *(.eh_frame) + +.gcc_except_table + *(.gcc_except_table) + +.dynamic + *(.dynamic) + +.ctors + *crtbegin*.o(.ctors) + *(EXCLUDE_FILE(*crtend*.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + +.dtors + *crtbegin*.o(.dtors) + *(EXCLUDE_FILE(*crtend*.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + +.jcr + *(.jcr) + +.got + *(.got.plt) + *(.got) + 0x00008e7c _edata = . + 0x00008e7c PROVIDE (edata, .) + 0x00008e7c __bss_start = . + 0x00008e7c __bss_start__ = . + +.bss 0x00008e7c 0x3024 + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + .bss 0x00008e7c 0x3000 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o + 0x00008e7c _stack_base + 0x0000be7c _start_bss_clear + 0x00009e7c _workarea + 0x00009e7c _stack_start + .bss.flash_info + 0x0000be7c 0x20 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + 0x0000be7c flash_info + .bss.flash_dev_info + 0x0000be9c 0x4 /tmp/ecosboard/ecos/install/lib/libtarget.a(devs_flash_arm_eb40a_eb40a_flash.o) + *(COMMON) + 0x0000bea0 . = ALIGN (0x4) + 0x0000bea0 . = ALIGN (0x4) + 0x0000bea0 _end = . + 0x0000bea0 _bss_end__ = . + 0x0000bea0 __bss_end__ = . + 0x0000bea0 __end__ = . + 0x0000bea0 PROVIDE (end, .) + +.stab + *(.stab) + +.stabstr + *(.stabstr) + +.stab.excl + *(.stab.excl) + +.stab.exclstr + *(.stab.exclstr) + +.stab.index + *(.stab.index) + +.stab.indexstr + *(.stab.indexstr) + +.comment + *(.comment) + +.debug + *(.debug) + +.line + *(.line) + +.debug_srcinfo + *(.debug_srcinfo) + +.debug_sfnames + *(.debug_sfnames) + +.debug_aranges 0x00000000 0x170 + *(.debug_aranges) + .debug_aranges + 0x00000000 0x20 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/cccPBW5f.o + .debug_aranges + 0x00000020 0x48 /ecos-c/DOCUME~1/oyvind/LOCALS~1/Temp/ccM8Ftqt.o + .debug_aranges + 0x00000068 0x68 /tmp/ecosboard/ecos/install/lib/libtarget.a(io_flash_flash.o) + .debug_aranges + 0x000000d0 0x50 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/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 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/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 index 00000000..21839127 --- /dev/null +++ b/ecosflash/notes.txt @@ -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 \ No newline at end of file diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index 90f009e9..4d0280f6 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -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 index 00000000..6aec41d6 --- /dev/null +++ b/src/flash/ecos.c @@ -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 + */ +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; ichunk) + { + 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; +} + + + + diff --git a/src/flash/flash.c b/src/flash/flash.c index 2fefb4cd..f1710851 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -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, }; -- 2.39.5