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Diffstat (limited to 'ao-tools/altosui/AltosFlash.java')
| -rw-r--r-- | ao-tools/altosui/AltosFlash.java | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/ao-tools/altosui/AltosFlash.java b/ao-tools/altosui/AltosFlash.java new file mode 100644 index 00000000..0f92d6e7 --- /dev/null +++ b/ao-tools/altosui/AltosFlash.java @@ -0,0 +1,333 @@ +/* + * Copyright © 2010 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; version 2 of the License. + * + * 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. + */ + +package altosui; + +import java.awt.*; +import java.awt.event.*; +import javax.swing.*; +import javax.swing.filechooser.FileNameExtensionFilter; +import javax.swing.table.*; +import java.io.*; +import java.util.*; +import java.text.*; +import java.util.prefs.*; +import java.util.concurrent.LinkedBlockingQueue; + +import altosui.AltosHexfile; + +public class AltosFlash { + File file; + FileInputStream input; + AltosHexfile image; + JFrame frame; + AltosDevice debug_dongle; + AltosDebug debug; + AltosRomconfig rom_config; + ActionListener listener; + boolean aborted; + + static final byte MOV_direct_data = (byte) 0x75; + static final byte MOV_DPTR_data16 = (byte) 0x90; + static final byte MOV_A_data = (byte) 0x74; + static final byte MOVX_atDPTR_A = (byte) 0xf0; + static final byte MOVX_A_atDPTR = (byte) 0xe0; + static final byte INC_DPTR = (byte) 0xa3; + static final byte TRAP = (byte) 0xa5; + + static final byte JB = (byte) 0x20; + + static final byte MOV_A_direct = (byte) 0xe5; + static final byte MOV_direct1_direct2 = (byte) 0x85; + static final byte MOV_direct_A = (byte) 0xf5; + static final byte MOV_R0_data = (byte) (0x78 | 0); + static final byte MOV_R1_data = (byte) (0x78 | 1); + static final byte MOV_R2_data = (byte) (0x78 | 2); + static final byte MOV_R3_data = (byte) (0x78 | 3); + static final byte MOV_R4_data = (byte) (0x78 | 4); + static final byte MOV_R5_data = (byte) (0x78 | 5); + static final byte MOV_R6_data = (byte) (0x78 | 6); + static final byte MOV_R7_data = (byte) (0x78 | 7); + static final byte DJNZ_R0_rel = (byte) (0xd8 | 0); + static final byte DJNZ_R1_rel = (byte) (0xd8 | 1); + static final byte DJNZ_R2_rel = (byte) (0xd8 | 2); + static final byte DJNZ_R3_rel = (byte) (0xd8 | 3); + static final byte DJNZ_R4_rel = (byte) (0xd8 | 4); + static final byte DJNZ_R5_rel = (byte) (0xd8 | 5); + static final byte DJNZ_R6_rel = (byte) (0xd8 | 6); + static final byte DJNZ_R7_rel = (byte) (0xd8 | 7); + + static final byte P1DIR = (byte) 0xFE; + static final byte P1 = (byte) 0x90; + + /* flash controller */ + static final byte FWT = (byte) 0xAB; + static final byte FADDRL = (byte) 0xAC; + static final byte FADDRH = (byte) 0xAD; + static final byte FCTL = (byte) 0xAE; + static final byte FCTL_BUSY = (byte) 0x80; + static final byte FCTL_BUSY_BIT = (byte) 7; + static final byte FCTL_SWBSY = (byte) 0x40; + static final byte FCTL_SWBSY_BIT = (byte) 6; + static final byte FCTL_CONTRD = (byte) 0x10; + static final byte FCTL_WRITE = (byte) 0x02; + static final byte FCTL_ERASE = (byte) 0x01; + static final byte FWDATA = (byte) 0xAF; + + static final byte ACC = (byte) 0xE0; + + /* offsets within the flash_page program */ + static final int FLASH_ADDR_HIGH = 8; + static final int FLASH_ADDR_LOW = 11; + static final int RAM_ADDR_HIGH = 13; + static final int RAM_ADDR_LOW = 14; + static final int FLASH_WORDS_HIGH = 16; + static final int FLASH_WORDS_LOW = 18; + static final int FLASH_TIMING = 21; + + /* sleep mode control */ + static final int SLEEP = (byte) 0xbe; + static final int SLEEP_USB_EN = (byte) 0x80; + static final int SLEEP_XOSC_STB = (byte) 0x40; + static final int SLEEP_HFRC_STB = (byte) 0x20; + static final int SLEEP_RST_MASK = (byte) 0x18; + static final int SLEEP_RST_POWERON = (byte) 0x00; + static final int SLEEP_RST_EXTERNAL = (byte) 0x10; + static final int SLEEP_RST_WATCHDOG = (byte) 0x08; + static final int SLEEP_OSC_PD = (byte) 0x04; + static final int SLEEP_MODE_MASK = (byte) 0x03; + static final int SLEEP_MODE_PM0 = (byte) 0x00; + static final int SLEEP_MODE_PM1 = (byte) 0x01; + static final int SLEEP_MODE_PM2 = (byte) 0x02; + static final int SLEEP_MODE_PM3 = (byte) 0x03; + + /* clock controller */ + static final byte CLKCON = (byte) 0xC6; + static final byte CLKCON_OSC32K = (byte) 0x80; + static final byte CLKCON_OSC = (byte) 0x40; + static final byte CLKCON_TICKSPD = (byte) 0x38; + static final byte CLKCON_CLKSPD = (byte) 0x07; + + static final byte[] flash_page_proto = { + + MOV_direct_data, P1DIR, (byte) 0x02, + MOV_direct_data, P1, (byte) 0xFF, + + MOV_direct_data, FADDRH, 0, /* FLASH_ADDR_HIGH */ + + MOV_direct_data, FADDRL, 0, /* FLASH_ADDR_LOW */ + + MOV_DPTR_data16, 0, 0, /* RAM_ADDR_HIGH, RAM_ADDR_LOW */ + + MOV_R7_data, 0, /* FLASH_WORDS_HIGH */ + + MOV_R6_data, 0, /* FLASH_WORDS_LOW */ + + + MOV_direct_data, FWT, 0x20, /* FLASH_TIMING */ + + MOV_direct_data, FCTL, FCTL_ERASE, +/* eraseWaitLoop: */ + MOV_A_direct, FCTL, + JB, ACC|FCTL_BUSY_BIT, (byte) 0xfb, + + MOV_direct_data, P1, (byte) 0xfd, + + MOV_direct_data, FCTL, FCTL_WRITE, +/* writeLoop: */ + MOV_R5_data, 2, +/* writeWordLoop: */ + MOVX_A_atDPTR, + INC_DPTR, + MOV_direct_A, FWDATA, + DJNZ_R5_rel, (byte) 0xfa, /* writeWordLoop */ +/* writeWaitLoop: */ + MOV_A_direct, FCTL, + JB, ACC|FCTL_SWBSY_BIT, (byte) 0xfb, /* writeWaitLoop */ + DJNZ_R6_rel, (byte) 0xf1, /* writeLoop */ + DJNZ_R7_rel, (byte) 0xef, /* writeLoop */ + + MOV_direct_data, P1DIR, (byte) 0x00, + MOV_direct_data, P1, (byte) 0xFF, + TRAP, + }; + + public byte[] make_flash_page(int flash_addr, int ram_addr, int byte_count) { + int flash_word_addr = flash_addr >> 1; + int flash_word_count = ((byte_count + 1) >> 1); + + byte[] flash_page = new byte[flash_page_proto.length]; + for (int i = 0; i < flash_page.length; i++) + flash_page[i] = flash_page_proto[i]; + + flash_page[FLASH_ADDR_HIGH] = (byte) (flash_word_addr >> 8); + flash_page[FLASH_ADDR_LOW] = (byte) (flash_word_addr); + flash_page[RAM_ADDR_HIGH] = (byte) (ram_addr >> 8); + flash_page[RAM_ADDR_LOW] = (byte) (ram_addr); + + byte flash_words_low = (byte) (flash_word_count); + byte flash_words_high = (byte) (flash_word_count >> 8); + /* the flashing code has a minor 'bug' */ + if (flash_words_low != 0) + flash_words_high++; + + flash_page[FLASH_WORDS_HIGH] = (byte) flash_words_high; + flash_page[FLASH_WORDS_LOW] = (byte) flash_words_low; + return flash_page; + } + + static byte[] set_clkcon_fast = { + MOV_direct_data, CLKCON, 0x00 + }; + + static byte[] get_sleep = { + MOV_A_direct, SLEEP + }; + + public void clock_init() throws IOException, InterruptedException { + debug.debug_instr(set_clkcon_fast); + + byte status; + do { + status = debug.debug_instr(get_sleep); + } while ((status & SLEEP_XOSC_STB) == 0); + } + + void action(String s, int percent) { + if (listener != null && !aborted) + listener.actionPerformed(new ActionEvent(this, + percent, + s)); + } + + void action(int part, int total) { + int percent = 100 * part / total; + action(String.format("%d/%d (%d%%)", + part, total, percent), + percent); + } + + public void flash() throws IOException, FileNotFoundException, InterruptedException { + if (!check_rom_config()) + throw new IOException("Invalid rom config settings"); + if (image.address + image.data.length > 0x8000) + throw new IOException(String.format("Flash image too long %d", + image.address + + image.data.length)); + if ((image.address & 0x3ff) != 0) + throw new IOException(String.format("Flash image must start on page boundary (is 0x%x)", + image.address)); + int ram_address = 0xf000; + int flash_prog = 0xf400; + + /* + * Store desired config values into image + */ + rom_config.write(image); + /* + * Bring up the clock + */ + clock_init(); + + int remain = image.data.length; + int flash_addr = image.address; + int image_start = 0; + + action(0, image.data.length); + while (remain > 0 && !aborted) { + int this_time = remain; + if (this_time > 0x400) + this_time = 0x400; + + /* write the data */ + debug.write_memory(ram_address, image.data, + image_start, this_time); + + /* write the flash program */ + byte[] flash_page = make_flash_page(flash_addr, + ram_address, + this_time); + debug.write_memory(flash_prog, flash_page); + + debug.set_pc(flash_prog); + int pc = debug.get_pc(); + debug.resume(); + Thread.sleep(100); + for (int times = 0; times < 10; times++) { + byte status = debug.read_status(); + if ((status & AltosDebug.STATUS_CPU_HALTED) != 0) + break; + Thread.sleep(100); + } + + byte[] check = debug.read_memory(flash_addr, this_time); + for (int i = 0; i < this_time; i++) + if (check[i] != image.data[image_start + i]) + throw new IOException(String.format("Flash write failed at 0x%x (%02x != %02x)", + image.address + image_start + i, + check[i], image.data[image_start + i])); + remain -= this_time; + flash_addr += this_time; + image_start += this_time; + + action(image.data.length - remain, image.data.length); + } + if (!aborted) { + action("done", 100); + debug.set_pc(image.address); + debug.resume(); + } + debug.close(); + } + + public void abort() { + aborted = true; + debug.close(); + } + + public void addActionListener(ActionListener l) { + listener = l; + } + + public boolean check_rom_config() { + if (rom_config == null) + rom_config = debug.romconfig(); + return rom_config != null && rom_config.valid(); + } + + public void set_romconfig (AltosRomconfig romconfig) { + rom_config = romconfig; + } + + public AltosRomconfig romconfig() { + return rom_config; + } + + public void open() throws IOException, FileNotFoundException, InterruptedException { + input = new FileInputStream(file); + image = new AltosHexfile(input); + debug.open(debug_dongle); + if (!debug.check_connection()) + throw new IOException("Debug port not connected"); + } + + public AltosFlash(File in_file, AltosDevice in_debug_dongle) { + file = in_file; + debug_dongle = in_debug_dongle; + debug = new AltosDebug(); + } +}
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