flash Kinetis: longword programming changed to flash_async_algorithm
Change-Id: I9c40acfad37760c3dab454f2432817b2d420792d Signed-off-by: Tomas Vanek <vanekt@fbl.cz> Reviewed-on: http://openocd.zylin.com/3563 Reviewed-by: Steven Stallion <stallion@squareup.com> Tested-by: jenkins Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>gitignore-build
Tomas Vanek
Freddie Chopin
parent
0099430104
commit
22b4a0f40d
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@ -0,0 +1,19 @@
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BIN2C = ../../../../src/helper/bin2char.sh
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CROSS_COMPILE ?= arm-none-eabi-
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AS = $(CROSS_COMPILE)as
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OBJCOPY = $(CROSS_COMPILE)objcopy
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all: kinetis_flash.inc
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%.elf: %.s
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$(AS) $< -o $@
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%.bin: %.elf
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$(OBJCOPY) -Obinary $< $@
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%.inc: %.bin
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$(BIN2C) < $< > $@
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clean:
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-rm -f *.elf *.bin *.inc
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@ -0,0 +1,6 @@
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/* Autogenerated with ../../../../src/helper/bin2char.sh */
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0x16,0x68,0x00,0x2e,0x1f,0xd0,0x55,0x68,0xb5,0x42,0xf9,0xd0,0x60,0x60,0x06,0x27,
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0xe7,0x71,0x2f,0x68,0xa7,0x60,0x80,0x27,0x27,0x70,0x04,0x35,0x9d,0x42,0x01,0xd3,
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0x15,0x1c,0x08,0x35,0x55,0x60,0x16,0x68,0x00,0x2e,0x0c,0xd0,0x26,0x78,0x3e,0x42,
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0xf9,0xd0,0x70,0x27,0x3e,0x42,0x04,0xd1,0x04,0x30,0x01,0x39,0x00,0x29,0xdf,0xd1,
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0x01,0xe0,0x00,0x25,0x55,0x60,0x00,0xbe,
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@ -0,0 +1,101 @@
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/***************************************************************************
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* Copyright (C) 2015 by Ivan Meleca *
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* ivan@artekit.eu *
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* *
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* Copyright (C) 2016 by Tomas Vanek *
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* vanekt@fbl.cz *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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***************************************************************************/
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/* Params:
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* r0 = flash destination address in/out
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* r1 = longword count
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* r2 = workarea start address
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* r3 = workarea end address
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* r4 = FTFx base
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*/
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.text
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.cpu cortex-m0plus
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.code 16
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.thumb_func
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.align 2
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/* r5 = rp
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* r6 = wp, tmp
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* r7 = tmp
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*/
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/* old longword algo: 6.680 KiB/s @ adapter_khz 2000
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* this async algo: 19.808 KiB/s @ adapter_khz 2000
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*/
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FTFx_FSTAT = 0
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FTFx_FCCOB3 = 4
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FTFx_FCCOB0 = 7
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FTFx_FCCOB7 = 8
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wait_fifo:
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ldr r6, [r2, #0] /* read wp */
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cmp r6, #0 /* abort if wp == 0 */
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beq exit
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ldr r5, [r2, #4] /* read rp */
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cmp r5, r6 /* wait until rp != wp */
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beq wait_fifo
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str r0, [r4, #FTFx_FCCOB3] /* set flash address */
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mov r7, #6
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strb r7, [r4, #FTFx_FCCOB0] /* flash command */
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ldr r7, [r5] /* set longword data = *rp */
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str r7, [r4, #FTFx_FCCOB7]
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mov r7, #128
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strb r7, [r4, #FTFx_FSTAT]
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add r5, #4 /* rp += 4 */
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cmp r5, r3 /* Wrap? */
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bcc no_wrap
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mov r5, r2
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add r5, #8
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no_wrap:
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str r5, [r2, #4] /* Store rp */
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wait_ccif:
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ldr r6, [r2, #0] /* read wp */
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cmp r6, #0 /* abort if wp == 0 */
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beq exit
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ldrb r6, [r4, #FTFx_FSTAT]
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tst r6, r7
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beq wait_ccif
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mov r7, #0x70
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tst r6, r7
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bne error
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add r0, #4 /* flash address += 4, do not increment before err check */
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sub r1, #1 /* word_count-- */
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cmp r1, #0
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bne wait_fifo
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b exit
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error:
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mov r5, #0
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str r5, [r2, #4] /* set rp = 0 on error */
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exit:
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bkpt #0
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@ -865,65 +865,7 @@ static int kinetis_ftfx_prepare(struct target *target)
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/* Kinetis Program-LongWord Microcodes */
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static const uint8_t kinetis_flash_write_code[] = {
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/* Params:
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* r0 - workarea buffer
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* r1 - target address
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* r2 - wordcount
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* Clobbered:
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* r4 - tmp
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* r5 - tmp
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* r6 - tmp
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* r7 - tmp
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*/
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/* .L1: */
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/* for(register uint32_t i=0;i<wcount;i++){ */
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0x04, 0x1C, /* mov r4, r0 */
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0x00, 0x23, /* mov r3, #0 */
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/* .L2: */
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0x0E, 0x1A, /* sub r6, r1, r0 */
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0xA6, 0x19, /* add r6, r4, r6 */
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0x93, 0x42, /* cmp r3, r2 */
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0x16, 0xD0, /* beq .L9 */
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/* .L5: */
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/* while((FTFx_FSTAT&FTFA_FSTAT_CCIF_MASK) != FTFA_FSTAT_CCIF_MASK){}; */
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0x0B, 0x4D, /* ldr r5, .L10 */
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0x2F, 0x78, /* ldrb r7, [r5] */
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0x7F, 0xB2, /* sxtb r7, r7 */
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0x00, 0x2F, /* cmp r7, #0 */
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0xFA, 0xDA, /* bge .L5 */
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/* FTFx_FSTAT = FTFA_FSTAT_ACCERR_MASK|FTFA_FSTAT_FPVIOL_MASK|FTFA_FSTAT_RDCO */
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0x70, 0x27, /* mov r7, #112 */
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0x2F, 0x70, /* strb r7, [r5] */
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/* FTFx_FCCOB3 = faddr; */
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0x09, 0x4F, /* ldr r7, .L10+4 */
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0x3E, 0x60, /* str r6, [r7] */
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0x06, 0x27, /* mov r7, #6 */
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/* FTFx_FCCOB0 = 0x06; */
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0x08, 0x4E, /* ldr r6, .L10+8 */
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0x37, 0x70, /* strb r7, [r6] */
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/* FTFx_FCCOB7 = *pLW; */
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0x80, 0xCC, /* ldmia r4!, {r7} */
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0x08, 0x4E, /* ldr r6, .L10+12 */
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0x37, 0x60, /* str r7, [r6] */
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/* FTFx_FSTAT = FTFA_FSTAT_CCIF_MASK; */
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0x80, 0x27, /* mov r7, #128 */
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0x2F, 0x70, /* strb r7, [r5] */
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/* .L4: */
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/* while((FTFx_FSTAT&FTFA_FSTAT_CCIF_MASK) != FTFA_FSTAT_CCIF_MASK){}; */
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0x2E, 0x78, /* ldrb r6, [r5] */
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0x77, 0xB2, /* sxtb r7, r6 */
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0x00, 0x2F, /* cmp r7, #0 */
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0xFB, 0xDA, /* bge .L4 */
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0x01, 0x33, /* add r3, r3, #1 */
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0xE4, 0xE7, /* b .L2 */
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/* .L9: */
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0x00, 0xBE, /* bkpt #0 */
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/* .L10: */
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0x00, 0x00, 0x02, 0x40, /* .word 1073872896 */
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0x04, 0x00, 0x02, 0x40, /* .word 1073872900 */
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0x07, 0x00, 0x02, 0x40, /* .word 1073872903 */
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0x08, 0x00, 0x02, 0x40, /* .word 1073872904 */
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#include "../../../contrib/loaders/flash/kinetis/kinetis_flash.inc"
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};
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/* Program LongWord Block Write */
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@ -936,20 +878,11 @@ static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
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struct working_area *source;
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struct kinetis_flash_bank *kinfo = bank->driver_priv;
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uint32_t address = kinfo->prog_base + offset;
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struct reg_param reg_params[3];
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uint32_t end_address;
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struct reg_param reg_params[5];
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struct armv7m_algorithm armv7m_info;
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int retval = ERROR_OK;
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/* Params:
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* r0 - workarea buffer
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* r1 - target address
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* r2 - wordcount
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* Clobbered:
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* r4 - tmp
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* r5 - tmp
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* r6 - tmp
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* r7 - tmp
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*/
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int retval;
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uint8_t fstat;
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/* Increase buffer_size if needed */
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if (buffer_size < (target->working_area_size/2))
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@ -982,35 +915,39 @@ static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
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armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
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armv7m_info.core_mode = ARM_MODE_THREAD;
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init_reg_param(®_params[0], "r0", 32, PARAM_OUT); /* *pLW (*buffer) */
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init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* faddr */
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init_reg_param(®_params[2], "r2", 32, PARAM_OUT); /* number of words to program */
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init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); /* address */
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init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* word count */
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init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
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init_reg_param(®_params[3], "r3", 32, PARAM_OUT);
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init_reg_param(®_params[4], "r4", 32, PARAM_OUT);
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/* write code buffer and use Flash programming code within kinetis */
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/* Set breakpoint to 0 with time-out of 1000 ms */
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while (wcount > 0) {
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uint32_t thisrun_count = (wcount > (buffer_size / 4)) ? (buffer_size / 4) : wcount;
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buf_set_u32(reg_params[0].value, 0, 32, address);
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buf_set_u32(reg_params[1].value, 0, 32, wcount);
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buf_set_u32(reg_params[2].value, 0, 32, source->address);
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buf_set_u32(reg_params[3].value, 0, 32, source->address + source->size);
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buf_set_u32(reg_params[4].value, 0, 32, FTFx_FSTAT);
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retval = target_write_buffer(target, source->address, thisrun_count * 4, buffer);
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if (retval != ERROR_OK)
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break;
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retval = target_run_flash_async_algorithm(target, buffer, wcount, 4,
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0, NULL,
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5, reg_params,
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source->address, source->size,
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write_algorithm->address, 0,
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&armv7m_info);
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buf_set_u32(reg_params[0].value, 0, 32, source->address);
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buf_set_u32(reg_params[1].value, 0, 32, address);
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buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
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if (retval == ERROR_FLASH_OPERATION_FAILED) {
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end_address = buf_get_u32(reg_params[0].value, 0, 32);
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retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
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write_algorithm->address, 0, 100000, &armv7m_info);
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if (retval != ERROR_OK) {
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LOG_ERROR("Error executing kinetis Flash programming algorithm");
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retval = ERROR_FLASH_OPERATION_FAILED;
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break;
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LOG_ERROR("Error writing flash at %08" PRIx32, end_address);
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retval = target_read_u8(target, FTFx_FSTAT, &fstat);
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if (retval == ERROR_OK) {
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retval = kinetis_ftfx_decode_error(fstat);
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/* reset error flags */
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target_write_u8(target, FTFx_FSTAT, 0x70);
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}
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buffer += thisrun_count * 4;
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address += thisrun_count * 4;
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wcount -= thisrun_count;
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}
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} else if (retval != ERROR_OK)
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LOG_ERROR("Error executing kinetis Flash programming algorithm");
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target_free_working_area(target, source);
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target_free_working_area(target, write_algorithm);
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@ -1018,6 +955,8 @@ static int kinetis_write_block(struct flash_bank *bank, const uint8_t *buffer,
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destroy_reg_param(®_params[0]);
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destroy_reg_param(®_params[1]);
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destroy_reg_param(®_params[2]);
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destroy_reg_param(®_params[3]);
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destroy_reg_param(®_params[4]);
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return retval;
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}
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