diff options
Diffstat (limited to 'src/flash/ocl/at91sam7x/main.c')
-rw-r--r-- | src/flash/ocl/at91sam7x/main.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/src/flash/ocl/at91sam7x/main.c b/src/flash/ocl/at91sam7x/main.c deleted file mode 100644 index c4b4dcf2..00000000 --- a/src/flash/ocl/at91sam7x/main.c +++ /dev/null @@ -1,107 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2007 by Pavel Chromy * - * chromy@asix.cz * - * * - * 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., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * - ***************************************************************************/ -#include "platform.h" - -#include <flash/nor/ocl.h> -#include "dcc.h" -#include "samflash.h" - - -#define BUFSIZE 1024 /* words, i.e. 4 KiB */ -uint32 buffer[1024]; - -void cmd_flash(uint32 cmd) -{ - unsigned int len; - uint32 adr; - uint32 chksum; - unsigned int bi; /* buffer index */ - unsigned int bi_start; /* receive start mark */ - unsigned int bi_end; /* receive end mark */ - unsigned int ofs; - int pagenum; - int result; - - adr = dcc_rd(); - len = cmd&0xffff; - ofs = adr%flash_page_size; - bi_start = ofs/4; - bi_end = (ofs + len + 3)/4; - - if (bi_end > BUFSIZE) { - dcc_wr(OCL_BUFF_OVER); - return; - } - - chksum = OCL_CHKS_INIT; - for (bi = 0; bi < bi_end; bi++) chksum^=buffer[bi]=dcc_rd(); - - if (dcc_rd() != chksum) { - dcc_wr(OCL_CHKS_FAIL); - return; - } - - /* fill in unused positions with unprogrammed values */ - for (bi = 0; bi < bi_start; bi++) buffer[bi]=0xffffffff; - for (bi = bi_end; bi%flash_page_size; bi++) buffer[bi]=0xffffffff; - - result = 0; - pagenum = adr/flash_page_size; - for (bi = 0; bi < bi_end; bi += flash_page_size/4) { - result = flash_page_program(buffer + bi, pagenum++); - if (result) break; - } - - /* verify written data */ - if (!result) result = flash_verify(adr, len, ((uint8 *)buffer) + ofs); - - dcc_wr(OCL_CMD_DONE | result); -} - - -int main (void) -{ - uint32 cmd; - - for (;;) { - cmd = dcc_rd(); - switch (cmd&OCL_CMD_MASK) { - case OCL_PROBE: - dcc_wr(OCL_CMD_DONE | flash_init()); - dcc_wr(0x100000); /* base */ - dcc_wr(flash_page_count*flash_page_size); /* size */ - dcc_wr(1); /* num_sectors */ - dcc_wr(4096 | ((unsigned long) flash_page_size << 16)); /* buflen and bufalign */ - break; - case OCL_ERASE_ALL: - dcc_wr(OCL_CMD_DONE | flash_erase_all()); - break; - case OCL_FLASH_BLOCK: - cmd_flash(cmd); - break; - default: - /* unknown command */ - dcc_wr(OCL_CMD_ERR); - break; - } - } - - return(0); /* we shall never get here, just to supress compiler warning */ -} |