diff options
Diffstat (limited to 'cctools/lib/ccdbg-flash.c')
| -rw-r--r-- | cctools/lib/ccdbg-flash.c | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/cctools/lib/ccdbg-flash.c b/cctools/lib/ccdbg-flash.c deleted file mode 100644 index 3e672985..00000000 --- a/cctools/lib/ccdbg-flash.c +++ /dev/null @@ -1,356 +0,0 @@ -/* - * Copyright © 2008 Keith Packard <keithp@keithp.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. - */ - -#include "ccdbg.h" - -/* From SWRA124 section 3.1.6 */ - -static uint8_t flash_page[] = { - - MOV_direct_data, P1DIR, 0x02, - MOV_direct_data, P1, 0xFF, - - MOV_direct_data, FADDRH, 0, -#define FLASH_ADDR_HIGH 8 - - MOV_direct_data, FADDRL, 0, -#define FLASH_ADDR_LOW 11 - - MOV_DPTR_data16, 0, 0, -#define RAM_ADDR_HIGH 13 -#define RAM_ADDR_LOW 14 - - MOV_Rn_data(7), 0, -#define FLASH_WORDS_HIGH 16 - - MOV_Rn_data(6), 0, -#define FLASH_WORDS_LOW 18 - - MOV_direct_data, FWT, 0x20, -#define FLASH_TIMING 21 - - MOV_direct_data, FCTL, FCTL_ERASE, -/* eraseWaitLoop: */ - MOV_A_direct, FCTL, - JB, ACC(FCTL_BUSY_BIT), 0xfb, - - MOV_direct_data, P1, 0xfd, - - MOV_direct_data, FCTL, FCTL_WRITE, -/* writeLoop: */ - MOV_Rn_data(5), 2, -/* writeWordLoop: */ - MOVX_A_atDPTR, - INC_DPTR, - MOV_direct_A, FWDATA, - DJNZ_Rn_rel(5), 0xfa, /* writeWordLoop */ -/* writeWaitLoop: */ - MOV_A_direct, FCTL, - JB, ACC(FCTL_SWBSY_BIT), 0xfb, /* writeWaitLoop */ - DJNZ_Rn_rel(6), 0xf1, /* writeLoop */ - DJNZ_Rn_rel(7), 0xef, /* writeLoop */ - - MOV_direct_data, P1DIR, 0x00, - MOV_direct_data, P1, 0xFF, - TRAP, -}; - -#define FLASH_RAM 0xf000 - -#if 0 -static uint8_t flash_erase_page[] = { - 3, MOV_direct_data, FADDRH, 0, -#define ERASE_PAGE_HIGH 3 - - 3, MOV_direct_data, FADDRL, 0, -#define ERASE_PAGE_LOW 7 - - 3, MOV_direct_data, FWT, 0x2A, - 3, MOV_direct_data, FCTL, FCTL_ERASE, - 0 -}; - -static uint8_t flash_read_control[] = { - 2, MOV_A_direct, FCTL, - 0 -}; -#endif - -#if 0 -static uint8_t flash_control_clear[] = { - 3, MOV_direct_data, FCTL, 0, - 2, MOV_A_direct, FCTL, - 0 -}; -#endif - -#if 0 -static uint8_t -ccdbg_flash_erase_page(struct ccdbg *dbg, uint16_t addr) -{ - uint16_t page_addr = addr >> 1; - uint8_t status; - uint8_t old[0x10], new[0x10]; - int i; - - ccdbg_read_memory(dbg, addr, old, 0x10); - flash_erase_page[ERASE_PAGE_HIGH] = page_addr >> 8; - flash_erase_page[ERASE_PAGE_LOW] = page_addr & 0xff; - status = ccdbg_execute(dbg, flash_erase_page); - ccdbg_debug(CC_DEBUG_FLASH, "erase status 0x%02x\n", status); - do { - status = ccdbg_execute(dbg, flash_read_control); - ccdbg_debug(CC_DEBUG_FLASH, "fctl 0x%02x\n", status); - } while (status & FCTL_BUSY); - ccdbg_read_memory(dbg, addr, new, 0x10); - for (i = 0; i < 0x10; i++) - ccdbg_debug(CC_DEBUG_FLASH, "0x%02x -> 0x%02x\n", old[i], new[i]); - status = ccdbg_execute(dbg, flash_control_clear); - ccdbg_debug(CC_DEBUG_FLASH, "clear fctl 0x%02x\n", status); - return 0; -} -#endif - -#if 0 -static uint8_t flash_write[] = { - MOV_direct_data, P1DIR, 0x02, - MOV_direct_data, P1, 0xFD, - - MOV_A_direct, FCTL, - JB, ACC(FCTL_BUSY_BIT), 0xf1, - - MOV_direct_data, FCTL, 0x20, - - MOV_direct_data, FADDRH, 0, -#define WRITE_PAGE_HIGH 16 - - MOV_direct_data, FADDRL, 0, -#define WRITE_PAGE_LOW 19 - - MOV_direct_data, FCTL, FCTL_WRITE, - MOV_direct_data, FWDATA, 0, -#define WRITE_BYTE_0 25 - MOV_direct_data, FWDATA, 0, -#define WRITE_BYTE_1 28 - MOV_A_direct, FCTL, - JB, ACC(FCTL_SWBSY_BIT), 0xf1, - - MOV_direct_data, P1, 0xFF, - TRAP, -}; -#endif - -static uint8_t -ccdbg_clock_init(struct ccdbg *dbg) -{ - static uint8_t set_clkcon_fast[] = { - 3, MOV_direct_data, CLKCON, 0x00, - 0 - }; - - static uint8_t get_sleep[] = { - 2, MOV_A_direct, SLEEP, - 0 - }; - - uint8_t status; - - ccdbg_execute(dbg, set_clkcon_fast); - do { - status = ccdbg_execute(dbg, get_sleep); - } while (!(status & 0x40)); - return 0; -} - -#if 0 -static uint8_t -ccdbg_flash_write_word(struct ccdbg *dbg, uint16_t addr, uint8_t data[2]) -{ - uint16_t page_addr = addr >> 1; - uint8_t check[2]; - uint8_t status; - int i; - - flash_write[WRITE_PAGE_HIGH] = page_addr >> 8; - flash_write[WRITE_PAGE_LOW] = page_addr & 0xff; - flash_write[WRITE_BYTE_0] = data[0]; - flash_write[WRITE_BYTE_1] = data[1]; - ccdbg_debug(CC_DEBUG_FLASH, "upload flash write\n"); - ccdbg_write_memory(dbg, 0xf000, flash_write, sizeof(flash_write)); - ccdbg_set_pc(dbg, 0xf000); - ccdbg_resume(dbg); - for (;;) { - status = ccdbg_read_status(dbg); - ccdbg_debug(CC_DEBUG_FLASH, "waiting for write 0x%02x\n", status); - if ((status & CC_STATUS_CPU_HALTED) != 0) - break; - sleep (1); - } - status = ccdbg_execute(dbg, flash_control_clear); - ccdbg_debug(CC_DEBUG_FLASH, "clear fctl 0x%02x\n", status); - ccdbg_read_memory(dbg, addr, check, 2); - for (i = 0; i < 2; i++) - ccdbg_debug(CC_DEBUG_FLASH, "0x%02x : 0x%02x\n", data[i], check[i]); - return 0; -} -#endif - -#define TIMERS_OFF 0x08 -#define DMA_PAUSE 0x04 -#define TIMER_SUSPEND 0x02 -#define SEL_FLASH_INFO_PAGE 0x01 - -#if 0 -static uint8_t -ccdbg_flash_lock(struct ccdbg *dbg, uint8_t lock) -{ - uint8_t config; - uint8_t bytes[2]; - uint8_t old[1], new[1]; - - config = ccdbg_rd_config(dbg); - ccdbg_wr_config(dbg, config|SEL_FLASH_INFO_PAGE); - bytes[0] = lock; - bytes[1] = 0; - ccdbg_flash_erase_page(dbg, 0); - ccdbg_read_memory(dbg, 0, old, 1); - ccdbg_flash_write_word(dbg, 0, bytes); - ccdbg_read_memory(dbg, 0, new, 1); - ccdbg_debug(CC_DEBUG_FLASH, "flash lock 0x%02x -> 0x%02x\n", old[0], new[0]); - ccdbg_wr_config(dbg, config & ~SEL_FLASH_INFO_PAGE); - return 0; -} -#endif - -uint8_t -ccdbg_flash_hex_image(struct ccdbg *dbg, struct hex_image *image) -{ - uint16_t offset; - uint16_t flash_prog; - uint16_t flash_len; - uint8_t fwt; - uint16_t flash_addr; - uint16_t flash_word_addr; - uint16_t flash_words; - uint8_t flash_words_high, flash_words_low; - uint16_t ram_addr; - uint16_t pc; - uint8_t status; - uint16_t remain, this_time, start; - uint8_t verify[0x400]; - int times; - - ccdbg_clock_init(dbg); - if (image->address + image->length > 0x8000) { - fprintf(stderr, "cannot flash image from 0x%04x to 0x%04x\n", - image->address, image->address + image->length); - return 1; - } - if (image->address & 0x3ff) { - fprintf(stderr, "flash image must start on page boundary\n"); - return 1; - } - ram_addr = 0xf000; - - - flash_prog = 0xf400; - - fwt = 0x20; - - flash_page[FLASH_TIMING] = fwt; - ccdbg_debug(CC_DEBUG_FLASH, "Upload %d flash program bytes to 0x%04x\n", - sizeof (flash_page), flash_prog); - ccdbg_write_memory(dbg, flash_prog, flash_page, sizeof(flash_page)); - - remain = image->length; - start = 0; - while (remain) { - this_time = remain; - if (this_time > 0x400) - this_time = 0x400; - - offset = ram_addr - (image->address + start); - - ccdbg_debug(CC_DEBUG_FLASH, "Upload %d bytes at 0x%04x\n", this_time, ram_addr); - ccdbg_write_memory(dbg, ram_addr, image->data + start, this_time); -#if 0 - ccdbg_debug(CC_DEBUG_FLASH, "Verify %d bytes in ram\n", this_time); - ccdbg_read_memory(dbg, ram_addr, verify, this_time); - if (memcmp (image->data + start, verify, this_time) != 0) { - fprintf(stderr, "ram verify failed\n"); - return 1; - } -#endif - - flash_addr = image->address + start; - flash_word_addr = flash_addr >> 1; - flash_len = this_time + (this_time & 1); - flash_words = flash_len >> 1; - - flash_words_low = flash_words & 0xff; - flash_words_high = flash_words >> 8; - - /* The flash code above is lame */ - if (flash_words_low) - flash_words_high++; - - ccdbg_write_uint8(dbg, flash_prog + FLASH_ADDR_HIGH, flash_word_addr >> 8); - ccdbg_write_uint8(dbg, flash_prog + FLASH_ADDR_LOW, flash_word_addr & 0xff); - - ccdbg_write_uint8(dbg, flash_prog + RAM_ADDR_HIGH, ram_addr >> 8); - ccdbg_write_uint8(dbg, flash_prog + RAM_ADDR_LOW, ram_addr & 0xff); - - ccdbg_write_uint8(dbg, flash_prog + FLASH_WORDS_HIGH, flash_words_high); - ccdbg_write_uint8(dbg, flash_prog + FLASH_WORDS_LOW, flash_words_low); - - ccdbg_set_pc(dbg, flash_prog); - pc = ccdbg_get_pc(dbg); - ccdbg_debug(CC_DEBUG_FLASH, "Flashing %d bytes at 0x%04x\n", - this_time, flash_addr); - status = ccdbg_resume(dbg); - for (times = 0; times < 10; times++) { - status = ccdbg_read_status(dbg); - ccdbg_debug(CC_DEBUG_FLASH, "."); - ccdbg_flush(CC_DEBUG_FLASH); - if ((status & CC_STATUS_CPU_HALTED) != 0) - break; - usleep(10000); - } - ccdbg_debug(CC_DEBUG_FLASH, "\n"); - if (times == 10) { - fprintf(stderr, "flash page timed out\n"); - return 1; - } - - ccdbg_debug(CC_DEBUG_FLASH, "Verify %d bytes in flash\n", this_time); - ccdbg_read_memory(dbg, flash_addr, verify, this_time); - if (memcmp (image->data + start, verify, this_time) != 0) { - int i; - fprintf(stderr, "flash verify failed\n"); - for (i = 0; i < this_time; i++) { - if (image->data[start + i] != verify[i]) - fprintf(stderr, "0x%04x: 0x%02x != 0x%02x\n", - start + i, image->data[start+i], verify[i]); - } - return 1; - } - remain -= this_time; - start += this_time; - } - return 0; -} |