commit 70d00c31a977302aefc7e80795132ad24e533dc9 Author: Matt Harlum Date: Thu Feb 2 20:26:15 2023 +0000 Check-in cflash util diff --git a/cflash/.vscode/c_cpp_properties.json b/cflash/.vscode/c_cpp_properties.json new file mode 100644 index 0000000..c15a87a --- /dev/null +++ b/cflash/.vscode/c_cpp_properties.json @@ -0,0 +1,18 @@ +{ + "configurations": [ + { + "name": "Linux", + "includePath": [ + "${workspaceFolder}/**", + "/opt/amiga/m68k-amigaos/ndk13-include" + ], + "defines": [], + "compilerPath": "/opt/amiga/bin/m68k-amigaos-gcc", + "cStandard": "gnu17", + "cppStandard": "gnu++14", + "intelliSenseMode": "linux-gcc-x64", + "configurationProvider": "ms-vscode.makefile-tools" + } + ], + "version": 4 +} \ No newline at end of file diff --git a/cflash/.vscode/settings.json b/cflash/.vscode/settings.json new file mode 100644 index 0000000..80f70c7 --- /dev/null +++ b/cflash/.vscode/settings.json @@ -0,0 +1,11 @@ +{ + "files.associations": { + "config.h": "c", + "29f160.h": "c", + "cider.h": "c", + "constants.h": "c", + "ide_flash.h": "c", + "kick_flash.h": "c", + "dos.h": "c" + } +} \ No newline at end of file diff --git a/cflash/LICENSE b/cflash/LICENSE new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/cflash/LICENSE @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/cflash/Makefile b/cflash/Makefile new file mode 100644 index 0000000..b3e01da --- /dev/null +++ b/cflash/Makefile @@ -0,0 +1,18 @@ +PROJECT=cflash +CC=m68k-amigaos-gcc +CFLAGS=-lamiga -mcrt=nix13 -mcpu=68000 -Wall -Wno-pointer-sign -Os -fomit-frame-pointer +.PHONY: clean all +all: $(PROJECT) + +OBJ = kick_flash.o \ + ide_flash.o \ + config.o \ + main.o + +SRCS = $(OBJ:%.o=%.c) + +cflash: $(SRCS) *.h + ${CC} -o $@ $(CFLAGS) $(SRCS) + +clean: + -rm $(PROJECT) diff --git a/cflash/cflash b/cflash/cflash new file mode 100755 index 0000000..d45fac8 Binary files /dev/null and b/cflash/cflash differ diff --git a/cflash/cider.h b/cflash/cider.h new file mode 100644 index 0000000..92fb3c6 --- /dev/null +++ b/cflash/cider.h @@ -0,0 +1,3 @@ +#define SET_BANKBIT 0x5000 +#define CLR_BANKBIT 0x4000 +#define BONUSEN_BIT 0x2000 \ No newline at end of file diff --git a/cflash/config.c b/cflash/config.c new file mode 100644 index 0000000..b6ee559 --- /dev/null +++ b/cflash/config.c @@ -0,0 +1,178 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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 +#include +#include + +#include "main.h" +#include "constants.h" +#include "config.h" + +/** configure + * + * @brief Parse the command arguments and return the config + * @param argc Arg count + * @param argv Argument variables + * @returns Pointer to a Config struct or NULL on error +*/ +struct Config* configure(int argc, char *argv[]) { + + bool error = false; + + struct Config *config; + config = (struct Config *)AllocMem(sizeof(struct Config),MEMF_CLEAR); + if (config == NULL) return NULL; + + config->op = OP_NONE; + config->source = SOURCE_NONE; + config->skipVerify = false; + config->programBank = FLASH_BANK_1; + + for (int i=1; isource == SOURCE_NONE) { + config->source = SOURCE_ROM; + } else { + printf("Only one of -c or -f can be specified.\n"); + error = true; + } + break; + + case 'V': + config->skipVerify = true; + break; + + case 'E': + if (config-> op == OP_NONE) { + config->op = OP_ERASE_CHIP; + } else { + error = true; + printf("Only one operation can be performed at a time.\n"); + } + break; + + case 'e': + if (config-> op == OP_NONE) { + config->op = OP_ERASE_BANK; + } else { + error = true; + printf("Only one operation can be performed at a time.\n"); + } + break; + + case 'F': + case 'f': + if (config->source == SOURCE_NONE) { + if (i+1 < argc) { + config->source = SOURCE_FILE; + config->ks_filename = argv[i+1]; + i++; + } + } else{ + printf("Only one of -c or -f can be specified.\n"); + error = true; + } + break; + + case 'I': + if (i+1 < argc) { + config->flash_ide_rom = true; + config->ide_rom_filename = argv[i+1]; + i++; + } + break; + case 'i': + if (config-> op == OP_NONE) { + config->op = OP_IDENTIFY; + } else { + error = true; + printf("Only one operation can be performed at a time.\n"); + } + break; + + case '0': + config->programBank = FLASH_BANK_0; + break; + + case '1': + config->programBank = FLASH_BANK_1; + break; + + case '2': + config->programBank = FLASH_BANK_2; + break; + + case '3': + config->programBank = FLASH_BANK_3; + break; + + case 'v': + if (config-> op == OP_NONE) { + config->op = OP_VERIFY; + } else { + error = true; + printf("Only one operation can be performed at a time.\n"); + } + break; + } + } + } + + if (config->op == OP_NONE) { + if (config->source == SOURCE_NONE) { + error = true; + } else { + config->op = OP_PROGRAM; + } + } + + if (config->op == OP_VERIFY && config->source == SOURCE_NONE) { + printf("Must specify filename or -c to compare against ROM\n"); + error = true; + } + + if (error) { + FreeMem(config,sizeof(struct Config)); + return (NULL); + } else { + return (config); + } +} + +/** usage + * @brief Print the usage information +*/ +void usage() { + printf("\nUsage: cflash [-fieEvV] [-c|-f ] [-0|1] \n\n"); + printf(" -c - Copy ROM to Flash.\n"); + printf(" -f - Kickstart to Flash or verify.\n"); + printf(" -i - Print Flash device id.\n"); + printf(" -I - Flash IDE ROM.\n"); + printf(" -e - Erase bank.\n"); + printf(" -E - Erase chip.\n"); + printf(" -v - Verify bank against file or ROM\n"); + printf(" -V - Skip verification after programming.\n"); + printf(" -0 - Select bank 0 - 1st $FO Extended ROM.\n"); + printf(" -1 - Select bank 1 - 1st $F8 Kickstart ROM.\n"); + printf(" -2 - Select bank 2 - 2nd $FO Extended ROM.\n"); + printf(" -3 - Select bank 3 - 2nd $F8 Kickstart ROM.\n"); +} diff --git a/cflash/config.h b/cflash/config.h new file mode 100644 index 0000000..87944d7 --- /dev/null +++ b/cflash/config.h @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ +#ifndef CONFIG_H +#define CONFIG_H + +typedef enum { + OP_NONE, + OP_PROGRAM, + OP_VERIFY, + OP_ERASE_BANK, + OP_ERASE_CHIP, + OP_IDENTIFY +} operation_type; + +typedef enum { + SOURCE_NONE, + SOURCE_FILE, + SOURCE_ROM +} source_type; + +struct Config { + ULONG programBank; + operation_type op; + source_type source; + bool skipVerify; + char *ks_filename; + bool flash_ide_rom; + char *ide_rom_filename; +}; + +struct Config* configure(int, char* []); + +void usage(); + +#endif \ No newline at end of file diff --git a/cflash/constants.h b/cflash/constants.h new file mode 100644 index 0000000..d629e16 --- /dev/null +++ b/cflash/constants.h @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ +#ifndef CONSTANTS_H +#define CONSTANTS_H + +#define ROM_256K 0x040000 +#define ROM_512K 0x080000 +#define ROM_1M 0x100000 + +#define FLASH_BANK_0 0x000000 +#define FLASH_BANK_1 0x080000 +#define FLASH_BANK_2 0x100000 +#define FLASH_BANK_3 0x180000 + +#endif \ No newline at end of file diff --git a/cflash/ide_flash.c b/cflash/ide_flash.c new file mode 100644 index 0000000..6aabf99 --- /dev/null +++ b/cflash/ide_flash.c @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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 +#include +#include + +#include "constants.h" +#include "ide_flash.h" +#include "ide_flash_constants.h" + +void *ide_flashBase; + +/** ide_flash_writeByte + * + * @brief Write a byte to the Flash + * @param address Address to write to + * @param data The data to be written +*/ +void ide_flash_writeByte(UWORD address, UBYTE data) { + address <<= 1; + address &= (FLASH_SIZE-1); + ide_flash_unlock_sdp(); + ide_flash_command(CMD_BYTE_PROGRAM); + *(UBYTE *)(ide_flashBase + address) = data; + ide_flash_poll(address); + + return; +} + +/** ide_flash_command + * + * @brief send a command to the Flash + * @param command +*/ +void ide_flash_command(UWORD command) { + *(UBYTE *)(ide_flashBase + ADDR_CMD_STEP_1) = command; + + return; +} + +/** ide_flash_unlock_sdp + * + * @brief Send the SDP command sequence +*/ +void ide_flash_unlock_sdp() { + *(UBYTE *)(ide_flashBase + ADDR_CMD_STEP_1) = CMD_SDP_STEP_1; + *(UBYTE *)(ide_flashBase + ADDR_CMD_STEP_2) = CMD_SDP_STEP_2; + + return; +} + +/** ide_flash_erase_chip + * + * @brief Perform a chip erase +*/ +void ide_flash_erase_chip() { + ide_flash_unlock_sdp(); + ide_flash_command(CMD_ERASE); + ide_flash_unlock_sdp(); + ide_flash_command(CMD_ERASE_CHIP); + + ide_flash_poll(0); +} + +/** ide_flash_poll + * + * @brief Poll the status bits at address, until they indicate that the operation has completed. + * @param address Address to poll +*/ +void ide_flash_poll(UWORD address) { + address <<= 1; + address &= (FLASH_SIZE-1); + volatile UBYTE *read1 = ((void *)ide_flashBase + address); + volatile UBYTE *read2 = ((void *)ide_flashBase + address); + while (((*read1 & 1<<6) != (*read2 & 1<<6))) {;;} +} + +/** ide_flash_init + * + * @brief Check the manufacturer id of the device, return manuf and dev id + * @param manuf Pointer to a UBYTE that will be updated with the returned manufacturer id + * @param devid Pointer to a UBYTE that will be updatet with the returned device id + * @param flashBase Pointer to the Flash base address + * @return True if the manufacturer ID matches the expected value +*/ +bool ide_flash_init(UBYTE *manuf, UBYTE *devid, ULONG *flashBase) { + bool ret = false; + UBYTE manufId; + UBYTE deviceId; + + ide_flashBase = flashBase; + + ide_flash_unlock_sdp(); + ide_flash_command(CMD_ID_ENTRY); + + manufId = *(UBYTE *)ide_flashBase; + deviceId = *(UBYTE *)(ide_flashBase + 2); + + ide_flash_command(CMD_CFI_ID_EXIT); + + if (manuf) *manuf = manufId; + if (devid) *devid = deviceId; + + if (manufId == FLASH_MANUF && deviceId == FLASH_DEV && flashBase) { + ret = true; + } + + return (ret); +} \ No newline at end of file diff --git a/cflash/ide_flash.h b/cflash/ide_flash.h new file mode 100644 index 0000000..e4a6ddf --- /dev/null +++ b/cflash/ide_flash.h @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ + +#ifndef IDE_FLASH_H +#define IDE_FLASH_H + +#include +#include + +void ide_flash_unlock_sdp(); +void ide_flash_erase_chip(); +void ide_flash_command(UWORD); +void ide_flash_writeByte(UWORD, UBYTE); +bool ide_flash_init(UBYTE *, UBYTE *, ULONG *); +void ide_flash_poll(UWORD); +void ide_flash_erase_block(UWORD); + +#endif \ No newline at end of file diff --git a/cflash/ide_flash_constants.h b/cflash/ide_flash_constants.h new file mode 100644 index 0000000..a7d748f --- /dev/null +++ b/cflash/ide_flash_constants.h @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ +#ifndef IDE_FLASH_CONSTANTS_H +#define IDE_FLASH_CONSTANTS_H + +// SST 39SF010 +#define FLASH_MANUF 0xBF +#define FLASH_DEV 0xB5 +#define FLASH_SIZE 0x8000 // Actually a 128K ROM but only 32K mapped +#define FLASH_SECTORSIZE 0x2000 + +// Command addresses left-shifted because Flash A0 = CPU A1 +#define ADDR_CMD_STEP_1 (0x5555 << 1) +#define ADDR_CMD_STEP_2 (0x2AAA << 1) + +#define CMD_SDP_STEP_1 0xAA +#define CMD_SDP_STEP_2 0x55 +#define CMD_BYTE_PROGRAM 0xA0 +#define CMD_ERASE 0x80 +#define CMD_ERASE_SECTOR 0x30 +#define CMD_ERASE_CHIP 0x10 +#define CMD_ID_ENTRY 0x90 +#define CMD_CFI_ID_EXIT 0xF0 +#define CMD_READ_RESET 0xF0 + +#endif \ No newline at end of file diff --git a/cflash/kick_flash.c b/cflash/kick_flash.c new file mode 100644 index 0000000..a4cae72 --- /dev/null +++ b/cflash/kick_flash.c @@ -0,0 +1,200 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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 +#include +#include + +#include "kick_flash.h" +#include "kick_flash_constants.h" +#include "constants.h" + +void *flashbase = (void *)FLASHBASE; +void *controlBase = NULL; + +enum { + TOP, + BOTTOM +} flash_bootbank; + +/** kick_flash_writeWord + * + * @brief Write a word to the Flash + * @param address Address to write to + * @param data The word to write +*/ +void kick_flash_writeWord(ULONG address, UWORD data) { + address &= (FLASH_SIZE-1); + kick_flash_unlock_sdp(); + kick_flash_command(CMD_WORD_PROGRAM); + *(UWORD *)(flashbase + address) = data; + kick_flash_poll(address); + + return; +} + +/** kick_flash_command + * + * @brief send a command to the Flash + * @param command +*/ +void kick_flash_command(UWORD command) { + *(UWORD *)(flashbase + ADDR_CMD_STEP_1) = command; + + return; +} + +/** kick_flash_unlock_sdp + * + * @brief Send the SDP command sequence +*/ +void kick_flash_unlock_sdp() { + *(UWORD *)(flashbase + ADDR_CMD_STEP_1) = CMD_SDP_STEP_1; + *(UWORD *)(flashbase + ADDR_CMD_STEP_2) = CMD_SDP_STEP_2; + + return; +} + +/** kick_flash_erase_chip + * + * @brief Perform a chip erase +*/ +void kick_flash_erase_chip() { + kick_flash_unlock_sdp(); + kick_flash_command(CMD_ERASE); + kick_flash_unlock_sdp(); + kick_flash_command(CMD_ERASE_CHIP); + + kick_flash_poll(0); +} + +/** kick_flash_poll + * + * @brief Poll the status bits at address, until they indicate that the operation has completed. + * @param address Address to poll +*/ +void kick_flash_poll(ULONG address) { + address &= (FLASH_SIZE-1); + volatile UWORD *read1 = ((void *)flashbase + address); + volatile UWORD *read2 = ((void *)flashbase + address); + while (((*read1 & 1<<6) != (*read2 & 1<<6))) {;;} +} + +/** kick_flash_init + * + * @brief Check the manufacturer id of the device, return manuf and dev id + * @param manuf Pointer to a UWORD that will be updated with the returned manufacturer id + * @param devid Pointer to a UWORD that will be updatet with the returned device id + * @return True if the manufacturer ID matches the expected value +*/ +bool kick_flash_init(UWORD *manuf, UWORD *devid) { + bool ret = false; + UWORD manufId; + UWORD deviceId; + + kick_flash_unlock_sdp(); + kick_flash_command(CMD_ID_ENTRY); + + manufId = *(UWORD *)flashbase; + deviceId = *(UWORD *)(flashbase + 2); + + kick_flash_command(CMD_CFI_ID_EXIT); + + if (manuf) *manuf = manufId; + if (devid) *devid = deviceId; + + if (manufId == FLASH_MANUF) { + if (deviceId == FLASH_DEV_TOP) { + flash_bootbank = TOP; + ret = true; + } else if (deviceId == FLASH_DEV_BOTTOM) { + flash_bootbank = BOTTOM; + ret = true; + } + } + + return (ret); +} + +/** kick_flash_reset + * + * @brief Reset the flash to read mode +*/ +void kick_flash_reset() { + kick_flash_command(CMD_READ_RESET); +} + +/** kick_flash_erase_block + * + * @brief Erase a block of flash + * @param address Address of the block to erase + */ +void kick_flash_erase_block(ULONG address) { + address &= (ROM_1M - 1); + kick_flash_unlock_sdp(); + kick_flash_command(CMD_ERASE); + kick_flash_unlock_sdp(); + *(UWORD *)(flashbase + address) = CMD_ERASE_BLOCK; + +} + +/** kick_flash_erase_bank + * + * @brief Erase the specified bank, taking into account top/bottom boot blocks + * @param bank The bank number (0-3) to erase +*/ +void kick_flash_erase_bank(int bank) { + ULONG block; + if (flash_bootbank == TOP && bank == 3) { + // Top of 29F160 consists of 32K+8K+8K+16K boot blocks + // + // Erase all of the 64K blocks + the 32K one + for (int i = 0; i < BANK_SIZE/BLOCK_SIZE; i++) { + block = (BANK_SIZE * bank) + (BLOCK_SIZE * i); + kick_flash_erase_block(block); + } + + // Erase the smaller blocks + block += 32767; + kick_flash_erase_block(block); + block += 8192; + kick_flash_erase_block(block); + block += 8192; + kick_flash_erase_block(block); + } else if (flash_bootbank == BOTTOM && bank == 0) { + ULONG block = 0; + kick_flash_erase_block(block); // Erase 16K + block += 16384; + kick_flash_erase_block(block); // Erase 8K + block += 8192; + kick_flash_erase_block(block); // Erase 8K + block += 8192; + kick_flash_erase_block(block); // Erase 32K + + // Erase the rest of the blocks + for (int i = 1; i < BANK_SIZE/BLOCK_SIZE; i++) { + block = (BANK_SIZE * bank) + (BLOCK_SIZE * i); + kick_flash_erase_block(block); + } + } else { + for (int i = 0; i < BANK_SIZE/BLOCK_SIZE; i++) { + block = (BANK_SIZE * bank) + (BLOCK_SIZE * i); + kick_flash_erase_block(block); + } + } +} \ No newline at end of file diff --git a/cflash/kick_flash.h b/cflash/kick_flash.h new file mode 100644 index 0000000..97282fa --- /dev/null +++ b/cflash/kick_flash.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ + +#ifndef KICK_FLASH_H +#define KICK_FLASH_H + +#include +#include + +void kick_flash_unlock_sdp(); +void kick_flash_erase_chip(); +void kick_flash_command(UWORD); +void kick_flash_writeWord(ULONG, UWORD); +bool kick_flash_init(UWORD *, UWORD *); +void kick_flash_poll(ULONG); +void kick_flash_reset(); +void kick_flash_erase_bank(int); +void kick_flash_erase_block(ULONG); + +#endif \ No newline at end of file diff --git a/cflash/kick_flash_constants.h b/cflash/kick_flash_constants.h new file mode 100644 index 0000000..ff0a8df --- /dev/null +++ b/cflash/kick_flash_constants.h @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ +#ifndef KICK_FLASH_CONSTANTS_H +#define KICK_FLASH_CONSTANTS_H + +// Micron 29F160 +#define FLASH_MANUF 0x0001 +#define FLASH_DEV_TOP 0x22D2 +#define FLASH_DEV_BOTTOM 0x22D8 + +#define BLOCK_SIZE 0x010000 +#define BANK_SIZE 0x080000 +#define BANK_SECTORS (BANK_SIZE / SECTOR_SIZE) +#define FLASH_SIZE 0x100000 + +#define FLASHBASE 0xA00000 + +// Command addresses left-shifted because Flash A0 = CPU A1 +#define ADDR_CMD_STEP_1 (0x555 << 1) +#define ADDR_CMD_STEP_2 (0x2AA << 1) + +#define CMD_SDP_STEP_1 0xAA +#define CMD_SDP_STEP_2 0x55 +#define CMD_WORD_PROGRAM 0xA0 +#define CMD_ERASE 0x80 +#define CMD_ERASE_BLOCK 0x30 +#define CMD_ERASE_CHIP 0x10 +#define CMD_ID_ENTRY 0x90 +#define CMD_CFI_ENTRY 0x98 +#define CMD_CFI_ID_EXIT 0xF0 +#define CMD_READ_RESET 0xF0 + +#endif \ No newline at end of file diff --git a/cflash/main.c b/cflash/main.c new file mode 100644 index 0000000..c77dc99 --- /dev/null +++ b/cflash/main.c @@ -0,0 +1,458 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include "kick_flash.h" +#include "ide_flash.h" +#include "main.h" +#include "config.h" +#include "cider.h" +#include "constants.h" + +#define MANUF_ID 2011 +#define PROD_ID 74 +#define IDE_PROD_ID 73 +#define IDE_ROM_OFFSET 0x8000 + +struct Library *DosBase; +struct ExecBase *SysBase; +struct ExpansionBase *ExpansionBase = NULL; + +UWORD *controlRegister; + +extern void *flashbase; + +int main(int argc, char *argv[]) +{ + SysBase = *((struct ExecBase **)4UL); + DosBase = OpenLibrary("dos.library",0); + + int rc = 0; + + if (DosBase == NULL) { + return(rc); + } + + printf("CIDER FlashROM tool\n"); + + struct Config *config; + if ((config = configure(argc,argv)) != NULL) { + if ((ExpansionBase = (struct ExpansionBase *)OpenLibrary("expansion.library",0)) != NULL) { + + struct ConfigDev *cd = NULL; + + if ((cd = (struct ConfigDev*)FindConfigDev(NULL,MANUF_ID,PROD_ID))) { + + controlRegister = cd->cd_BoardAddr; + + selectBank(config->programBank); + + + if (!(*controlRegister & BONUSEN_BIT)) { + + UWORD manufacturerId, deviceId; + + bool check_device = kick_flash_init(&manufacturerId,&deviceId); + + if (check_device == false && config->op != OP_IDENTIFY) { + + printf("Error: Unknown Flash device Manufacturer: %04X Device: %04X\n", manufacturerId, deviceId); + printf("Check that ROM overlay is switched off and try again.\n"); + + } else { + + switch (config->op) { + + case OP_IDENTIFY: + printf("Manufacturer: %04X, Device: %04X\n",manufacturerId, deviceId); + break; + + case OP_VERIFY: + if (config->source == SOURCE_ROM) { + rc = (verifyBank((ULONG *)0xF80000,config->programBank,ROM_512K)) ? 0 : 5; + } else { + rc = (verifyFile(config->ks_filename,config->programBank)) ? 0 : 5; + } + break; + + case OP_ERASE_BANK: + erase_bank(config->programBank); + break; + + case OP_ERASE_CHIP: + erase_chip(); + break; + + case OP_PROGRAM: + if (config->source == SOURCE_ROM) { + erase_bank(config->programBank); + printf("Copying Kickstart ROM to bank %d\n",(config->programBank == FLASH_BANK_0) ? 0 : 1); + copyBufToFlash((void *)0xF80000,config->programBank,ROM_512K,config->skipVerify); + } else { + ULONG romSize = 0; + printf("Flashing kick file %s\n",config->ks_filename); + if ((romSize = getFileSize(config->ks_filename)) != 0) { + if (romSize == ROM_256K || romSize == ROM_512K || romSize == ROM_1M) { + if (romSize == ROM_1M) { + erase_chip(); + } else { + erase_bank(config->programBank); + } + if (romSize == ROM_1M) { + // Force Bank X0 for 1M rom as it will fill both banks. + copyFileToFlash(config->ks_filename,FLASH_BANK_0,romSize,config->skipVerify); + } else { + copyFileToFlash(config->ks_filename,config->programBank,romSize,config->skipVerify); + } + } else { + printf("Bad file size, 256K/512K/1M ROM required.\n"); + rc = 5; + } + } + } + break; + + case OP_NONE: + usage(); + break; + } + } + } else { + printf("Bonus RAM must be disabled to program Flash."); + rc = 5; + } + + } else { + printf("Couldn't find board with Manufacturer/Prod ID of %d:%d\n",MANUF_ID,PROD_ID); + rc = 5; + } + + if (config->flash_ide_rom == true) { + + struct ConfigDev *ide_configDev; + if ((ide_configDev = FindConfigDev(NULL,MANUF_ID,IDE_PROD_ID))) { + + UBYTE manufId,devId; + if (ide_flash_init(&manufId,&devId,ide_configDev->cd_BoardAddr)) { + + ULONG romSize = getFileSize(config->ide_rom_filename); + if (romSize <= (0x10000 - IDE_ROM_OFFSET)/2) { + + APTR buffer = readFileToBuf(config->ide_rom_filename); + if (buffer) { + + printf("Erasing IDE Flash...\n"); + ide_flash_erase_chip(); + + int progress = 0; + int lastProgress = 1; + + fprintf(stdout,"Writing IDE ROM: "); + fflush(stdout); + + for (int i=0; i> 19; + + printf("Erasing bank %d\n", (int)bank >> 19); + kick_flash_erase_bank(bank); +} + +/** + * erase_chip + * + * @brief Completely erase the flash +*/ +void erase_chip() { + printf("Erasing chip..."); + kick_flash_erase_chip(); + printf(" Done\n"); +} + +/** + * getFileSize + * + * @brief return the size of a file in bytes + * @param filename file to check the size of + * @returns File size in bytes +*/ +ULONG getFileSize(char *filename) { + BPTR fileLock; + ULONG fileSize = 0; + struct FileInfoBlock *FIB; + + FIB = (struct FileInfoBlock *)AllocMem(sizeof(struct FileInfoBlock),MEMF_CLEAR); + + if ((fileLock = Lock(filename,ACCESS_READ)) != 0) { + + if (Examine(fileLock,FIB)) { + fileSize = FIB->fib_Size; + } + + } else { + printf("Error opening %s\n",filename); + } + + if (fileLock) UnLock(fileLock); + if (FIB) FreeMem(FIB,sizeof(struct FileInfoBlock)); + + return (fileSize); +} + +/** + * readFileToBuF + * + * @brief Read the rom file to a buffer + * @param filename Name of the file to open + * @return Pointer to a buffer +*/ +APTR readFileToBuf(char *filename) { + ULONG romSize = getFileSize(filename); + if (romSize == 0) return NULL; + + BPTR fh; + APTR buffer; + + buffer = AllocMem(romSize,MEMF_ANY); + if (buffer) { + fh = Open(filename,MODE_OLDFILE); + + if (fh) { + Read(fh,buffer,romSize); + Close(fh); + } else { + printf("Error opening %s\n",filename); + return NULL; + } + + } else { + printf("Couldn't allocate memory.\n"); + return NULL; + } + + return buffer; +} + +/** + * copyFileToFlash + * + * @brief Copy the contents of the specified file to the flash + * @param filename A pointer to the source buffer + * @param destination Bank address to write to + * @param romSize Size in bytes of the source + * @param skipVerify Skip verification +*/ +void copyFileToFlash(char *filename, ULONG destination, ULONG romSize, bool skipVerify) { + APTR buffer; + + if ((buffer = readFileToBuf(filename)) != NULL) { + copyBufToFlash(buffer,destination,romSize,skipVerify); + FreeMem(buffer,romSize); + } + + return; +} + +/** + * copyBufToFlash + * + * @brief Copy the contents of the buffer to the flash + * @param source A pointer to the source buffer + * @param destination Bank address to write to + * @param romSize Size in bytes of the source + * @param skipVerify Skip verification +*/ +void copyBufToFlash(ULONG *source, ULONG destination, ULONG romSize, bool skipVerify) { + int progress = 0; + int lastProgress = 1; + + UWORD *sourcePtr = NULL; + + ULONG byteCount = (romSize == ROM_256K) ? ROM_512K : romSize; // For 256K ROMs fill up a 512K bank + + fprintf(stdout,"Writing: "); + fflush(stdout); + for (ULONG i=0; i> 19; + if (bank > 1) { + *controlRegister = SET_BANKBIT; + } else { + *controlRegister = CLR_BANKBIT; + } +} \ No newline at end of file diff --git a/cflash/main.h b/cflash/main.h new file mode 100644 index 0000000..8633ec4 --- /dev/null +++ b/cflash/main.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* This file is part of cflash + * Copyright (C) 2023 Matthew Harlum + * + * 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; version 2. + * + * 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. + */ + +#ifndef MAIN_H +#define MAIN_H + +#undef FindConfigDev +// NDK 1.3 definition of FindConfigDev is incorrect which causes "makes pointer from integer without a cast" warning +struct ConfigDev* FindConfigDev(struct ConfigDev*, LONG, LONG); + +ULONG getFileSize(char *); +void copyFileToFlash(char *, ULONG, ULONG, bool); +void copyBufToFlash(ULONG *, ULONG, ULONG, bool); +void erase_bank(ULONG); +void erase_chip(); +bool verifyBank(ULONG *, ULONG, ULONG); +bool verifyFile(char *, ULONG); +APTR readFileToBuf(char *); +void selectBank(ULONG); +#endif \ No newline at end of file