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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /firmware
Initial import
Diffstat (limited to 'firmware')
-rw-r--r--firmware/.gitignore6
-rw-r--r--firmware/Makefile237
-rw-r--r--firmware/README.AddingFirmware23
-rw-r--r--firmware/WHENCE61
-rw-r--r--firmware/adaptec/starfire_rx.bin.ihex1
-rw-r--r--firmware/adaptec/starfire_tx.bin.ihex1
-rw-r--r--firmware/atmsar11.HEX14
-rw-r--r--firmware/av7110/Boot.S109
-rw-r--r--firmware/av7110/bootcode.bin.ihex15
-rw-r--r--firmware/cis/.gitignore1
-rw-r--r--firmware/cpia2/stv0672_vp4.bin.ihex21
-rw-r--r--firmware/dsp56k/bootstrap.asm98
-rw-r--r--firmware/dsp56k/bootstrap.bin.ihex26
-rw-r--r--firmware/edgeport/boot.H1610
-rw-r--r--firmware/edgeport/boot2.H1610
-rw-r--r--firmware/edgeport/down.H1610
-rw-r--r--firmware/edgeport/down2.H1610
-rw-r--r--firmware/edgeport/down3.bin.ihex6
-rw-r--r--firmware/ihex2fw.c281
-rw-r--r--firmware/keyspan_pda/keyspan_pda.HEX83
-rw-r--r--firmware/keyspan_pda/keyspan_pda.S1124
-rw-r--r--firmware/keyspan_pda/xircom_pgs.HEX87
-rw-r--r--firmware/keyspan_pda/xircom_pgs.S1192
-rw-r--r--firmware/whiteheat.HEX45
-rw-r--r--firmware/whiteheat_loader.HEX45
-rw-r--r--firmware/whiteheat_loader_debug.HEX45
26 files changed, 3561 insertions, 0 deletions
diff --git a/firmware/.gitignore b/firmware/.gitignore
new file mode 100644
index 000000000..d9c69017b
--- /dev/null
+++ b/firmware/.gitignore
@@ -0,0 +1,6 @@
+*.gen.S
+*.fw
+*.bin
+*.csp
+*.dsp
+ihex2fw
diff --git a/firmware/Makefile b/firmware/Makefile
new file mode 100644
index 000000000..65dff135e
--- /dev/null
+++ b/firmware/Makefile
@@ -0,0 +1,237 @@
+#
+# kbuild file for firmware/
+#
+
+# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
+# leading /, it's relative to $(srctree).
+fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR))
+fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
+
+fw-external-y := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE))
+
+# There are three cases to care about:
+# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should
+# include the firmware files to include, according to .config
+# 2. 'make modules_install', which will install firmware for modules, and
+# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n
+# 3. 'make firmware_install', which installs all firmware, unconditionally.
+
+# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be
+# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
+# But be aware that the config file might not be included at all.
+
+ifdef CONFIG_ACENIC_OMIT_TIGON_I
+acenic-objs := $(DEBLOBBED)
+fw-shipped- += $(DEBLOBBED)
+else
+acenic-objs := $(DEBLOBBED) $(DEBLOBBED)
+endif
+fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs)
+fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
+fw-shipped-$(CONFIG_ATM_AMBASSADOR) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_BNX2X) += $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_BNX2) += $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_CASSINI) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_CHELSIO_T3) += $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_DRM_MGA) += $(DEBLOBBED) $(DEBLOBBED)
+fw-shipped-$(CONFIG_DRM_R128) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_DRM_RADEON) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED)
+fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin
+fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_E100) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_MYRI_SBUS) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_PCMCIA_PCNET) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_PCMCIA_3C589) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_PCMCIA_3C574) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_SERIAL_8250_CS) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_PCMCIA_SMC91C92) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_SCSI_ADVANSYS) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED)
+fw-shipped-$(CONFIG_SCSI_QLOGIC_1280) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_SCSI_QLOGICPTI) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_INFINIBAND_QIB) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_SND_KORG1212) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_SND_MAESTRO3) += $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_SND_SB16_CSP) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_SND_YMFPCI) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_SND_WAVEFRONT) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_TEHUTI) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_TIGON3) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_TYPHOON) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_EMI26) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_EMI62) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_KAWETH) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) \
+ $(DEBLOBBED)
+ifdef CONFIG_FIRMWARE_IN_KERNEL
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_MPR) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA18X) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QI) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QW) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19W) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XA) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XB) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28X) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49W) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49WLC) += $(DEBLOBBED)
+else
+fw-shipped- += $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)
+endif
+fw-shipped-$(CONFIG_USB_SERIAL_TI) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED) $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT) += $(DEBLOBBED) $(DEBLOBBED) \
+ $(DEBLOBBED) $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_WHITEHEAT) += $(DEBLOBBED) $(DEBLOBBED) \
+ # $(DEBLOBBED)
+fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda/keyspan_pda.fw
+fw-shipped-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda/xircom_pgs.fw
+fw-shipped-$(CONFIG_USB_VICAM) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_VIDEO_CPIA2) += $(DEBLOBBED)
+fw-shipped-$(CONFIG_YAM) += $(DEBLOBBED) $(DEBLOBBED)
+
+fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)
+
+quiet_cmd_ihex = IHEX $@
+ cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@
+
+quiet_cmd_ihex2fw = IHEX2FW $@
+ cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@
+
+quiet_cmd_h16tofw = H16TOFW $@
+ cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@
+
+quiet_cmd_fwbin = MK_FW $@
+ cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \
+ FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \
+ firmware/%.gen.S,%,$@))))"; \
+ ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \
+ ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \
+ PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \
+ echo "/* Generated by firmware/Makefile */" > $@;\
+ echo " .section .rodata" >>$@;\
+ echo " .p2align $${ASM_ALIGN}" >>$@;\
+ echo "_fw_$${FWSTR}_bin:" >>$@;\
+ echo " .incbin \"$(2)\"" >>$@;\
+ echo "_fw_end:" >>$@;\
+ echo " .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\
+ echo " .p2align $${ASM_ALIGN}" >>$@;\
+ echo "_fw_$${FWSTR}_name:" >>$@;\
+ echo " .string \"$$FWNAME\"" >>$@;\
+ echo " .section .builtin_fw,\"a\",$${PROGBITS}" >>$@;\
+ echo " .p2align $${ASM_ALIGN}" >>$@;\
+ echo " $${ASM_WORD} _fw_$${FWSTR}_name" >>$@;\
+ echo " $${ASM_WORD} _fw_$${FWSTR}_bin" >>$@;\
+ echo " $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin" >>$@;
+
+# One of these files will change, or come into existence, whenever
+# the configuration changes between 32-bit and 64-bit. The .S files
+# need to change when that happens.
+wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
+ include/config/ppc32.h include/config/ppc64.h \
+ include/config/superh32.h include/config/superh64.h \
+ include/config/x86_32.h include/config/x86_64.h)
+
+$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps)
+ $(call cmd,fwbin,$(patsubst %.gen.S,%,$@))
+$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \
+ include/config/extra/firmware/dir.h
+ $(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@))
+
+# The .o files depend on the binaries directly; the .S files don't.
+$(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: %
+$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/%
+
+# .ihex is used just as a simple way to hold binary files in a source tree
+# where binaries are frowned upon. They are directly converted with objcopy.
+$(obj)/%: $(obj)/%.ihex
+ $(call cmd,ihex)
+
+# Don't depend on ihex2fw if we're installing and it already exists.
+# Putting it after | in the dependencies doesn't seem sufficient when
+# we're installing after a cross-compile, because ihex2fw has dependencies
+# on stuff like /usr/lib/gcc/ppc64-redhat-linux/4.3.0/include/stddef.h and
+# thus wants to be rebuilt. Which it can't be, if the prebuilt kernel tree
+# is exported read-only for someone to run 'make install'.
+ifeq ($(INSTALL):$(wildcard $(obj)/ihex2fw),install:$(obj)/ihex2fw)
+ihex2fw_dep :=
+else
+ihex2fw_dep := $(obj)/ihex2fw
+endif
+
+# .HEX is also Intel HEX, but where the offset and length in each record
+# is actually meaningful, because the firmware has to be loaded in a certain
+# order rather than as a single binary blob. Thus, we convert them into our
+# more compact binary representation of ihex records (<linux/ihex.h>)
+$(obj)/%.fw: $(obj)/%.HEX $(ihex2fw_dep)
+ $(call cmd,ihex2fw)
+
+# .H16 is our own modified form of Intel HEX, with 16-bit length for records.
+$(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep)
+ $(call cmd,h16tofw)
+
+obj-y += $(patsubst %,%.gen.o, $(fw-external-y))
+obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y))
+
+ifeq ($(KBUILD_SRC),)
+# Makefile.build only creates subdirectories for O= builds, but external
+# firmware might live outside the kernel source tree
+_dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))), $(shell [ -d $(d) ] || mkdir -p $(d)))
+endif
+
+# Remove .S files and binaries created from ihex
+# (during 'make clean' .config isn't included so they're all in $(fw-shipped-))
+targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
+ $(shell find $(obj) -name \*.gen.S 2>/dev/null))
+
+# Without this, built-in.o won't be created when it's empty, and the
+# final vmlinux link will fail.
+obj- := dummy
+
+hostprogs-y := ihex2fw
diff --git a/firmware/README.AddingFirmware b/firmware/README.AddingFirmware
new file mode 100644
index 000000000..463b1e42b
--- /dev/null
+++ b/firmware/README.AddingFirmware
@@ -0,0 +1,23 @@
+
+ DO NOT ADD FIRMWARE TO THIS DIRECTORY.
+ ======================================
+
+This directory is only here to contain firmware images extracted from old
+device drivers which predate the common use of request_firmware().
+
+As we update those drivers to use request_firmware() and keep a clean
+separation between code and firmware, we put the extracted firmware
+here.
+
+/*(DEBLOBBED)*/
+ Ben Hutchings <ben@decadent.org.uk>
+
+Your commit should include an update to the WHENCE file clearly
+identifying the licence under which the firmware is available, and
+that it is redistributable. If the licence is long and involved, it's
+permitted to include it in a separate file and refer to it from the
+WHENCE file.
+
+Ideally, your commit should contain a Signed-Off-By: from someone
+authoritative on the licensing of the firmware in question (i.e. from
+within the company that owns the code).
diff --git a/firmware/WHENCE b/firmware/WHENCE
new file mode 100644
index 000000000..dd74f94c1
--- /dev/null
+++ b/firmware/WHENCE
@@ -0,0 +1,61 @@
+ **********
+ * WHENCE *
+ **********
+
+This file attempts to document the origin and licensing information,
+if known, for each piece of firmware distributed for use with the Linux
+kernel.
+
+--------------------------------------------------------------------------
+
+/*(DEBLOBBED)*/
+
+--------------------------------------------------------------------------
+
+Driver: keyspan_pda -- USB Keyspan PDA single-port serial device
+
+File: keyspan_pda/keyspan_pda.fw
+Source: keyspan_pda/keyspan_pda.S
+
+File: keyspan_pda/xircom_pgs.fw
+Source: keyspan_pda/xircom_pgs.S
+
+Licence: GPLv2+
+
+Compiled from original 8051 source into Intel HEX, used in our binary ihex form.
+
+--------------------------------------------------------------------------
+
+/*(DEBLOBBED)*/
+
+--------------------------------------------------------------------------
+
+Driver: ATARI_DSP56K - Atari DSP56k support
+
+File: dsp56k/bootstrap.bin
+Source: dsp56k/bootstrap.asm
+
+Licence: GPLv2 or later
+
+DSP56001 assembler, possibly buildable with a56 from
+http://www.zdomain.com/a56.html
+
+--------------------------------------------------------------------------
+
+/*(DEBLOBBED)*/
+
+--------------------------------------------------------------------------
+
+Driver: DVB AV7110 -- AV7110 cards
+
+File: av7110/bootcode.bin
+
+Licence: GPLv2 or later
+
+ARM assembly source code available at http://www.linuxtv.org/downloads/firmware/Boot.S
+
+--------------------------------------------------------------------------
+
+/*(DEBLOBBED)*/
+
+--------------------------------------------------------------------------
diff --git a/firmware/adaptec/starfire_rx.bin.ihex b/firmware/adaptec/starfire_rx.bin.ihex
new file mode 100644
index 000000000..dfb2abc3f
--- /dev/null
+++ b/firmware/adaptec/starfire_rx.bin.ihex
@@ -0,0 +1 @@
+:/*(DEBLOBBED)*/
diff --git a/firmware/adaptec/starfire_tx.bin.ihex b/firmware/adaptec/starfire_tx.bin.ihex
new file mode 100644
index 000000000..dfb2abc3f
--- /dev/null
+++ b/firmware/adaptec/starfire_tx.bin.ihex
@@ -0,0 +1 @@
+:/*(DEBLOBBED)*/
diff --git a/firmware/atmsar11.HEX b/firmware/atmsar11.HEX
new file mode 100644
index 000000000..c9b880e0b
--- /dev/null
+++ b/firmware/atmsar11.HEX
@@ -0,0 +1,14 @@
+:/*(DEBLOBBED)*/
+/*
+ Madge Ambassador ATM Adapter microcode.
+ Copyright (C) 1995-1999 Madge Networks Ltd.
+
+ This microcode data is placed under the terms of the GNU General
+ Public License. The GPL is contained in /usr/doc/copyright/GPL on a
+ Debian system and in the file COPYING in the Linux kernel source.
+
+ We would prefer you not to distribute modified versions without
+ consultation and not to ask for assembly/other microcode source.
+*/
+
+First record is start address in a __be32.
diff --git a/firmware/av7110/Boot.S b/firmware/av7110/Boot.S
new file mode 100644
index 000000000..d562fdc29
--- /dev/null
+++ b/firmware/av7110/Boot.S
@@ -0,0 +1,109 @@
+/*
+ Boot.S: boot loader for Siemens DVB-S card
+
+ Copyright (C) 2001 Convergence integrated media GmbH
+ Written by Ralph Metzler
+ <rjkm@convergence.de>
+ Copyright (C) 2006 Matthieu CASTET <castet.mattheiu@free.fr>
+
+ 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 St, Fifth Floor, Boston, MA 02110-1301 USA.
+
+*/
+
+/*
+ check AV711x_3_1.pdf for some hardware infos
+ build it with :
+ $ cc -mbig-endian -c Boot.S
+ $ ld -Ttext 0x2c000000 -EB -o Boot Boot.o
+ $ objcopy -Obinary Boot
+*/
+
+ .text
+ .align
+ .globl _start
+_start:
+ b reset // reset vector
+ movs pc, r14 // undefined
+ subs pc, r14, #4 // SWI
+ subs pc, r14, #4 // prefetch abort
+ subs pc, r14, #8 // data abort
+ subs pc, r14, #4 // reserved
+ subs pc, r14, #4 // IRQ
+ subs pc, r14, #4 // FIQ
+
+ .word tbl // table needed by firmware ROM
+tbl: .word (endtbl - tbl)
+ .word 0
+ .word conf
+endtbl: .word 0
+conf: .word 0xa5a55a5a
+ .word 0x001f1555
+ .word 0x00000009
+
+reset: ldr r13, buffer
+ ldr r4, flag
+ mov r0, #0
+ str r0, [r4]
+ str r0, [r4, #4]
+
+ ldr r1, wait_address
+ ldr r2, flag_address
+ ldr r3, sram
+
+copycode: // copy the code HW Sram
+ ldmia r1!, {r5-r12}
+ stmia r3!, {r5-r12}
+ cmp r1, r2
+ ble copycode
+ ldr pc, sram // jump to the copied code
+
+wait: ldrh r1, [r4] // wait for flag!=0
+ cmp r1, #0
+ beq wait
+
+ mov r1, r13 // buffer address
+ ldr r3, [r4,#4] // destaddr
+
+ ldrh r2, [r4,#2] // get segment length
+ add r2, r2, #63 // round length to next 64 bytes
+ movs r2, r2, lsr #6 // and divide by 64
+ moveq r0, #2 // if 0, set flag to 2, else signal
+ strh r0, [r4] // that buffer is accepted by setting to 0
+ beq wait
+
+copyloop:
+ ldmia r1!, {r5-r12}
+ stmia r3!, {r5-r12}
+ ldmia r1!, {r5-r12}
+ stmia r3!, {r5-r12}
+ subs r2, r2, #1
+ bne copyloop
+
+ eor r13, r13, #0x1400 // switch to other buffer
+ b wait
+
+// flag is stored at 0x2c0003f8, length at 0x2c0003fa,
+// destaddr at 0x2c0003fc
+
+flag: .word 0x2c0003f8
+
+
+// buffer 1 is at 0x2c000400, buffer 2 at 0x2c001000
+
+buffer: .word 0x2c000400
+
+sram: .word 0x9e000800
+wait_address: .word wait
+flag_address: .word flag
diff --git a/firmware/av7110/bootcode.bin.ihex b/firmware/av7110/bootcode.bin.ihex
new file mode 100644
index 000000000..26a2993e0
--- /dev/null
+++ b/firmware/av7110/bootcode.bin.ihex
@@ -0,0 +1,15 @@
+:10000000EA00000EE1B0F00EE25EF004E25EF00401
+:10001000E25EF008E25EF004E25EF004E25EF0040C
+:100020002C0000240000000C000000002C00003414
+:1000300000000000A5A55A5A001F15550000000930
+:10004000E59FD07CE59F4074E3A00000E5840000BC
+:10005000E5840004E59F1070E59F2070E59F306403
+:10006000E8B11FE0E8A31FE0E1510002DAFFFFFB67
+:10007000E59FF050E1D410B0E35100000AFFFFFC0F
+:10008000E1A0100DE5943004E1D420B2E282203FDB
+:10009000E1B0232203A00002E1C400B00AFFFFF494
+:1000A000E8B11FE0E8A31FE0E8B11FE0E8A31FE00C
+:1000B000E25220011AFFFFF9E22DDB05EAFFFFEC17
+:1000C0002C0003F82C0004009E0008002C00007493
+:0400D0002C0000C040
+:00000001FF
diff --git a/firmware/cis/.gitignore b/firmware/cis/.gitignore
new file mode 100644
index 000000000..1de39847f
--- /dev/null
+++ b/firmware/cis/.gitignore
@@ -0,0 +1 @@
+*.cis
diff --git a/firmware/cpia2/stv0672_vp4.bin.ihex b/firmware/cpia2/stv0672_vp4.bin.ihex
new file mode 100644
index 000000000..866b76faa
--- /dev/null
+++ b/firmware/cpia2/stv0672_vp4.bin.ihex
@@ -0,0 +1,21 @@
+:/*(DEBLOBBED)*/
+
+ Copyright 2001, STMicrolectronics, Inc.
+ Contact: steve.miller@st.com
+
+ Description:
+ This file contains patch data for the CPiA2 (stv0672) VP4.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
diff --git a/firmware/dsp56k/bootstrap.asm b/firmware/dsp56k/bootstrap.asm
new file mode 100644
index 000000000..a411047e6
--- /dev/null
+++ b/firmware/dsp56k/bootstrap.asm
@@ -0,0 +1,98 @@
+; Author: Frederik Noring <noring@nocrew.org>
+;
+; This file is subject to the terms and conditions of the GNU General Public
+; License. See the file COPYING in the main directory of this archive
+; for more details.
+
+; DSP56k loader
+
+; Host Interface
+M_BCR EQU $FFFE ; Port A Bus Control Register
+M_PBC EQU $FFE0 ; Port B Control Register
+M_PBDDR EQU $FFE2 ; Port B Data Direction Register
+M_PBD EQU $FFE4 ; Port B Data Register
+M_PCC EQU $FFE1 ; Port C Control Register
+M_PCDDR EQU $FFE3 ; Port C Data Direction Register
+M_PCD EQU $FFE5 ; Port C Data Register
+
+M_HCR EQU $FFE8 ; Host Control Register
+M_HSR EQU $FFE9 ; Host Status Register
+M_HRX EQU $FFEB ; Host Receive Data Register
+M_HTX EQU $FFEB ; Host Transmit Data Register
+
+; SSI, Synchronous Serial Interface
+M_RX EQU $FFEF ; Serial Receive Data Register
+M_TX EQU $FFEF ; Serial Transmit Data Register
+M_CRA EQU $FFEC ; SSI Control Register A
+M_CRB EQU $FFED ; SSI Control Register B
+M_SR EQU $FFEE ; SSI Status Register
+M_TSR EQU $FFEE ; SSI Time Slot Register
+
+; Exception Processing
+M_IPR EQU $FFFF ; Interrupt Priority Register
+
+ org P:$0
+start jmp <$40
+
+ org P:$40
+; ; Zero 16384 DSP X and Y words
+; clr A #0,r0
+; clr B #0,r4
+; do #64,<_block1
+; rep #256
+; move A,X:(r0)+ B,Y:(r4)+
+;_block1 ; Zero (32768-512) Program words
+; clr A #512,r0
+; do #126,<_block2
+; rep #256
+; move A,P:(r0)+
+;_block2
+
+ ; Copy DSP program control
+ move #real,r0
+ move #upload,r1
+ do #upload_end-upload,_copy
+ movem P:(r0)+,x0
+ movem x0,P:(r1)+
+_copy movep #4,X:<<M_HCR
+ movep #$c00,X:<<M_IPR
+ and #<$fe,mr
+ jmp upload
+
+real
+ org P:$7ea9
+upload
+ movep #1,X:<<M_PBC
+ movep #0,X:<<M_BCR
+
+next jclr #0,X:<<M_HSR,*
+ movep X:<<M_HRX,A
+ move #>3,x0
+ cmp x0,A #>1,x0
+ jeq <$0
+_get_address
+ jclr #0,X:<<M_HSR,_get_address
+ movep X:<<M_HRX,r0
+_get_length
+ jclr #0,X:<<M_HSR,_get_length
+ movep X:<<M_HRX,y0
+ cmp x0,A #>2,x0
+ jeq load_X
+ cmp x0,A
+ jeq load_Y
+
+load_P do y0,_load_P
+ jclr #0,X:<<M_HSR,*
+ movep X:<<M_HRX,P:(r0)+
+_load_P jmp next
+load_X do y0,_load_X
+ jclr #0,X:<<M_HSR,*
+ movep X:<<M_HRX,X:(r0)+
+_load_X jmp next
+load_Y do y0,_load_Y
+ jclr #0,X:<<M_HSR,*
+ movep X:<<M_HRX,Y:(r0)+
+_load_Y jmp next
+
+upload_end
+ end
diff --git a/firmware/dsp56k/bootstrap.bin.ihex b/firmware/dsp56k/bootstrap.bin.ihex
new file mode 100644
index 000000000..233f21fe7
--- /dev/null
+++ b/firmware/dsp56k/bootstrap.bin.ihex
@@ -0,0 +1,26 @@
+:100000000C004000000000000000000000000000A4
+:1000100000000000000000000000000000000000E0
+:1000200000000000000000000000000000000000D0
+:1000300000000000000000000000000000000000C0
+:1000400000000000000000000000000000000000B0
+:1000500000000000000000000000000000000000A0
+:100060000000000000000000000000000000000090
+:100070000000000000000000000000000000000080
+:100080000000000000000000000000000000000070
+:100090000000000000000000000000000000000060
+:1000A0000000000000000000000000000000000050
+:1000B0000000000000000000000000000000000040
+:1000C00060F40000004F61F400007EA9062E80005D
+:1000D000004707D88407598408F4A800000408F4EE
+:1000E000BF000C0000FEB80AF080007EA908F4A052
+:1000F00000000108F4BE0000000AA980007EAD08DF
+:100100004E2B44F40000000344F4450000010EA00F
+:10011000000AA980007EB508502B0AA980007EB88D
+:1001200008462B44F4450000020AF0AA007EC920CC
+:1001300000450AF0AA007ED006C600007EC60AA9C5
+:1001400080007EC408586B0AF080007EAD06C600B1
+:10015000007ECD0AA980007ECB0858AB0AF0800053
+:100160007EAD06C600007ED40AA980007ED2085863
+:07017000EB0AF080007EADF8
+:00000001FF
+/* DSP56001 bootstrap code */
diff --git a/firmware/edgeport/boot.H16 b/firmware/edgeport/boot.H16
new file mode 100644
index 000000000..80df4119e
--- /dev/null
+++ b/firmware/edgeport/boot.H16
@@ -0,0 +1,10 @@
+:/*(DEBLOBBED)*/
+//**************************************************************
+//* Edgeport/4 Binary Image
+//* Generated by HEX2C v1.06
+//* Copyright (C) 1998 Inside Out Networks, All rights reserved.
+//* 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.
+//**************************************************************
diff --git a/firmware/edgeport/boot2.H16 b/firmware/edgeport/boot2.H16
new file mode 100644
index 000000000..80df4119e
--- /dev/null
+++ b/firmware/edgeport/boot2.H16
@@ -0,0 +1,10 @@
+:/*(DEBLOBBED)*/
+//**************************************************************
+//* Edgeport/4 Binary Image
+//* Generated by HEX2C v1.06
+//* Copyright (C) 1998 Inside Out Networks, All rights reserved.
+//* 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.
+//**************************************************************
diff --git a/firmware/edgeport/down.H16 b/firmware/edgeport/down.H16
new file mode 100644
index 000000000..80df4119e
--- /dev/null
+++ b/firmware/edgeport/down.H16
@@ -0,0 +1,10 @@
+:/*(DEBLOBBED)*/
+//**************************************************************
+//* Edgeport/4 Binary Image
+//* Generated by HEX2C v1.06
+//* Copyright (C) 1998 Inside Out Networks, All rights reserved.
+//* 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.
+//**************************************************************
diff --git a/firmware/edgeport/down2.H16 b/firmware/edgeport/down2.H16
new file mode 100644
index 000000000..80df4119e
--- /dev/null
+++ b/firmware/edgeport/down2.H16
@@ -0,0 +1,10 @@
+:/*(DEBLOBBED)*/
+//**************************************************************
+//* Edgeport/4 Binary Image
+//* Generated by HEX2C v1.06
+//* Copyright (C) 1998 Inside Out Networks, All rights reserved.
+//* 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.
+//**************************************************************
diff --git a/firmware/edgeport/down3.bin.ihex b/firmware/edgeport/down3.bin.ihex
new file mode 100644
index 000000000..6597b8df0
--- /dev/null
+++ b/firmware/edgeport/down3.bin.ihex
@@ -0,0 +1,6 @@
+:/*(DEBLOBBED)*/
+//**************************************************************
+//* Edgeport Binary Image (for TI based products)
+//* Generated by TIBin2C v2.00 (watchport)
+//* Copyright (C) 2001 Inside Out Networks, All rights reserved.
+//**************************************************************
diff --git a/firmware/ihex2fw.c b/firmware/ihex2fw.c
new file mode 100644
index 000000000..08d90e25a
--- /dev/null
+++ b/firmware/ihex2fw.c
@@ -0,0 +1,281 @@
+/*
+ * Parser/loader for IHEX formatted data.
+ *
+ * Copyright © 2008 David Woodhouse <dwmw2@infradead.org>
+ * Copyright © 2005 Jan Harkes <jaharkes@cs.cmu.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdint.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#define _GNU_SOURCE
+#include <getopt.h>
+
+
+struct ihex_binrec {
+ struct ihex_binrec *next; /* not part of the real data structure */
+ uint32_t addr;
+ uint16_t len;
+ uint8_t data[];
+};
+
+/**
+ * nybble/hex are little helpers to parse hexadecimal numbers to a byte value
+ **/
+static uint8_t nybble(const uint8_t n)
+{
+ if (n >= '0' && n <= '9') return n - '0';
+ else if (n >= 'A' && n <= 'F') return n - ('A' - 10);
+ else if (n >= 'a' && n <= 'f') return n - ('a' - 10);
+ return 0;
+}
+
+static uint8_t hex(const uint8_t *data, uint8_t *crc)
+{
+ uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]);
+ *crc += val;
+ return val;
+}
+
+static int process_ihex(uint8_t *data, ssize_t size);
+static void file_record(struct ihex_binrec *record);
+static int output_records(int outfd);
+
+static int sort_records = 0;
+static int wide_records = 0;
+static int include_jump = 0;
+
+static int usage(void)
+{
+ fprintf(stderr, "ihex2fw: Convert ihex files into binary "
+ "representation for use by Linux kernel\n");
+ fprintf(stderr, "usage: ihex2fw [<options>] <src.HEX> <dst.fw>\n");
+ fprintf(stderr, " -w: wide records (16-bit length)\n");
+ fprintf(stderr, " -s: sort records by address\n");
+ fprintf(stderr, " -j: include records for CS:IP/EIP address\n");
+ return 1;
+}
+
+int main(int argc, char **argv)
+{
+ int infd, outfd;
+ struct stat st;
+ uint8_t *data;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "wsj")) != -1) {
+ switch (opt) {
+ case 'w':
+ wide_records = 1;
+ break;
+ case 's':
+ sort_records = 1;
+ break;
+ case 'j':
+ include_jump = 1;
+ break;
+ default:
+ return usage();
+ }
+ }
+
+ if (optind + 2 != argc)
+ return usage();
+
+ if (!strcmp(argv[optind], "-"))
+ infd = 0;
+ else
+ infd = open(argv[optind], O_RDONLY);
+ if (infd == -1) {
+ fprintf(stderr, "Failed to open source file: %s",
+ strerror(errno));
+ return usage();
+ }
+ if (fstat(infd, &st)) {
+ perror("stat");
+ return 1;
+ }
+ data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0);
+ if (data == MAP_FAILED) {
+ perror("mmap");
+ return 1;
+ }
+
+ if (!strcmp(argv[optind+1], "-"))
+ outfd = 1;
+ else
+ outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644);
+ if (outfd == -1) {
+ fprintf(stderr, "Failed to open destination file: %s",
+ strerror(errno));
+ return usage();
+ }
+ if (process_ihex(data, st.st_size))
+ return 1;
+
+ return output_records(outfd);
+}
+
+static int process_ihex(uint8_t *data, ssize_t size)
+{
+ struct ihex_binrec *record;
+ uint32_t offset = 0;
+ uint32_t data32;
+ uint8_t type, crc = 0, crcbyte = 0;
+ int i, j;
+ int line = 1;
+ int len;
+
+ i = 0;
+next_record:
+ /* search for the start of record character */
+ while (i < size) {
+ if (data[i] == '\n') line++;
+ if (data[i++] == ':') break;
+ }
+
+ /* Minimum record length would be about 10 characters */
+ if (i + 10 > size) {
+ fprintf(stderr, "Can't find valid record at line %d\n", line);
+ return -EINVAL;
+ }
+
+ len = hex(data + i, &crc); i += 2;
+ if (wide_records) {
+ len <<= 8;
+ len += hex(data + i, &crc); i += 2;
+ }
+ record = malloc((sizeof (*record) + len + 3) & ~3);
+ if (!record) {
+ fprintf(stderr, "out of memory for records\n");
+ return -ENOMEM;
+ }
+ memset(record, 0, (sizeof(*record) + len + 3) & ~3);
+ record->len = len;
+
+ /* now check if we have enough data to read everything */
+ if (i + 8 + (record->len * 2) > size) {
+ fprintf(stderr, "Not enough data to read complete record at line %d\n",
+ line);
+ return -EINVAL;
+ }
+
+ record->addr = hex(data + i, &crc) << 8; i += 2;
+ record->addr |= hex(data + i, &crc); i += 2;
+ type = hex(data + i, &crc); i += 2;
+
+ for (j = 0; j < record->len; j++, i += 2)
+ record->data[j] = hex(data + i, &crc);
+
+ /* check CRC */
+ crcbyte = hex(data + i, &crc); i += 2;
+ if (crc != 0) {
+ fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n",
+ line, crcbyte, (unsigned char)(crcbyte-crc));
+ return -EINVAL;
+ }
+
+ /* Done reading the record */
+ switch (type) {
+ case 0:
+ /* old style EOF record? */
+ if (!record->len)
+ break;
+
+ record->addr += offset;
+ file_record(record);
+ goto next_record;
+
+ case 1: /* End-Of-File Record */
+ if (record->addr || record->len) {
+ fprintf(stderr, "Bad EOF record (type 01) format at line %d",
+ line);
+ return -EINVAL;
+ }
+ break;
+
+ case 2: /* Extended Segment Address Record (HEX86) */
+ case 4: /* Extended Linear Address Record (HEX386) */
+ if (record->addr || record->len != 2) {
+ fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n",
+ type, line);
+ return -EINVAL;
+ }
+
+ /* We shouldn't really be using the offset for HEX86 because
+ * the wraparound case is specified quite differently. */
+ offset = record->data[0] << 8 | record->data[1];
+ offset <<= (type == 2 ? 4 : 16);
+ goto next_record;
+
+ case 3: /* Start Segment Address Record */
+ case 5: /* Start Linear Address Record */
+ if (record->addr || record->len != 4) {
+ fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n",
+ type, line);
+ return -EINVAL;
+ }
+
+ memcpy(&data32, &record->data[0], sizeof(data32));
+ data32 = htonl(data32);
+ memcpy(&record->data[0], &data32, sizeof(data32));
+
+ /* These records contain the CS/IP or EIP where execution
+ * starts. If requested output this as a record. */
+ if (include_jump)
+ file_record(record);
+ goto next_record;
+
+ default:
+ fprintf(stderr, "Unknown record (type %02X)\n", type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct ihex_binrec *records;
+
+static void file_record(struct ihex_binrec *record)
+{
+ struct ihex_binrec **p = &records;
+
+ while ((*p) && (!sort_records || (*p)->addr < record->addr))
+ p = &((*p)->next);
+
+ record->next = *p;
+ *p = record;
+}
+
+static int output_records(int outfd)
+{
+ unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0};
+ struct ihex_binrec *p = records;
+
+ while (p) {
+ uint16_t writelen = (p->len + 9) & ~3;
+
+ p->addr = htonl(p->addr);
+ p->len = htons(p->len);
+ if (write(outfd, &p->addr, writelen) != writelen)
+ return 1;
+ p = p->next;
+ }
+ /* EOF record is zero length, since we don't bother to represent
+ the type field in the binary version */
+ if (write(outfd, zeroes, 6) != 6)
+ return 1;
+ return 0;
+}
diff --git a/firmware/keyspan_pda/keyspan_pda.HEX b/firmware/keyspan_pda/keyspan_pda.HEX
new file mode 100644
index 000000000..6fcf02bb4
--- /dev/null
+++ b/firmware/keyspan_pda/keyspan_pda.HEX
@@ -0,0 +1,83 @@
+:03000000020200F9
+:0400230002055F0073
+:0400430002010000B6
+:050030000000000000CB
+:10010000020296000200000002000000020000004F
+:1001100002000000020000000200000002000000D7
+:1001200002000000020000000204610002048900D5
+:1002000075815EE4F532F533F530F531F534C20031
+:10021000C201A90074FE901000F0A3D9FC74FD90F7
+:100220001100F0A3D9FC7402907F9DF07400907FC0
+:1002300097F07486907F9EF0907F957403F0907F86
+:10024000AFE0D2E0F07401907FABF0907FAEF09021
+:100250007FAC7404F0907FAD7404F0907FC9F074AB
+:1002600084907F98F07400F59875C8307B059120D4
+:10027000D2CA759850D2E8D2AFD2AC7400F586904D
+:100280007FD67402F0792E7A007B00DBFEDAFAD991
+:10029000F67406F080FEC086C082C083C084C0852C
+:1002A000C0E0E591C2E4F591907FAB7401F0907FDE
+:1002B000E8E0F9A3E0FAA3E0FBA3E0FCE95460B4B2
+:1002C0000003020339B4406EBA000B12042040034D
+:1002D00002040202040ABA010302040ABA02030277
+:1002E000040ABA0303020444BA041EBB000A907F46
+:1002F00095E04402F0020402907F98E054FDF090F3
+:100300007F95E054FDF0020402BA050302040ABA24
+:100310000619BB0008E533D395320203DEBB0108A2
+:10032000E532C395330203DE02040ABA07058B34B3
+:1003300002040202040A02040ABA0020B9801090E2
+:100340007F00E4F0A3F0907FB57402F0020402B9DC
+:10035000820280EBB9810280E602040ABA010FBB77
+:10036000000302040ABB010302040202040ABA03E6
+:100370000FBB000302040ABB010302040202040AC9
+:10038000BA0656BC010F907FD47406F0907FD574E6
+:1003900012F0020402BC0212BB006F907FD47406FC
+:1003A000F0907FD57424F0020402BC03297404C3C6
+:1003B0009B40576055EB2B9006442582F5827400D4
+:1003C0003583F583E0F9A3E0FA907FD4E9F0907FDC
+:1003D000D5EAF002040202040ABA080F7401907F01
+:1003E00000F07401907FB5F0020402BA0903020420
+:1003F00002BA0A0574000203DEBA0B030204020209
+:10040000040A907FB47402F08009907FB4E0440144
+:10041000F08000D0E0D085D084D083D082D08632E6
+:10042000EB20E71EC3940A5019EB2324FEF58274D7
+:10043000053400F583E0F5CBF5CDA3E0F5CAF5CCA6
+:10044000C322D322B94111EB64FF5484FB907F98FF
+:10045000E0547B4BF0020402907F9BE064FF0203B8
+:10046000DEC086C082C083C084C085C0E0E591C282
+:10047000E4F591907FA97404F01205A0D0E0D08536
+:10048000D084D083D082D08632C086C082C083C060
+:1004900084C085C0E0E591C2E4F591907FAA740420
+:1004A000F0907FC9E0F9E4F586907DC075851085F0
+:1004B0003284E005860584F0E584B53302800905C1
+:1004C000320586A3D9EC8000907FC9F0B131D0E02D
+:1004D000D085D084D083D082D08632E4F586907FD8
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diff --git a/firmware/keyspan_pda/keyspan_pda.S b/firmware/keyspan_pda/keyspan_pda.S
new file mode 100644
index 000000000..f3acc197a
--- /dev/null
+++ b/firmware/keyspan_pda/keyspan_pda.S
@@ -0,0 +1,1124 @@
+/* $Id: loop.s,v 1.23 2000/03/20 09:49:06 warner Exp $
+ *
+ * Firmware for the Keyspan PDA Serial Adapter, a USB serial port based on
+ * the EzUSB microcontroller.
+ *
+ * (C) Copyright 2000 Brian Warner <warner@lothar.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.
+ *
+ * "Keyspan PDA Serial Adapter" is probably a copyright of Keyspan, the
+ * company.
+ *
+ * This serial adapter is basically an EzUSB chip and an RS-232 line driver
+ * in a little widget that has a DB-9 on one end and a USB plug on the other.
+ * It uses the EzUSB's internal UART0 (using the pins from Port C) and timer2
+ * as a baud-rate generator. The wiring is:
+ * PC0/RxD0 <- rxd (DB9 pin 2) PC4 <- dsr pin 6
+ * PC1/TxD0 -> txd pin 3 PC5 <- ri pin 9
+ * PC2 -> rts pin 7 PC6 <- dcd pin 1
+ * PC3 <- cts pin 8 PC7 -> dtr pin 4
+ * PB1 -> line driver standby
+ *
+ * The EzUSB register constants below come from their excellent documentation
+ * and sample code (which used to be available at www.anchorchips.com, but
+ * that has now been absorbed into Cypress' site and the CD-ROM contents
+ * don't appear to be available online anymore). If we get multiple
+ * EzUSB-based drivers into the kernel, it might be useful to pull them out
+ * into a separate .h file.
+ *
+ * THEORY OF OPERATION:
+ *
+ * There are two 256-byte ring buffers, one for tx, one for rx.
+ *
+ * EP2out is pure tx data. When it appears, the data is copied into the tx
+ * ring and serial transmission is started if it wasn't already running. The
+ * "tx buffer empty" interrupt may kick off another character if the ring
+ * still has data. If the host is tx-blocked because the ring filled up,
+ * it will request a "tx unthrottle" interrupt. If sending a serial character
+ * empties the ring below the desired threshold, we set a bit that will send
+ * up the tx unthrottle message as soon as the rx buffer becomes free.
+ *
+ * EP2in (interrupt) is used to send both rx chars and rx status messages
+ * (only "tx unthrottle" at this time) back up to the host. The first byte
+ * of the rx message indicates data (0) or status msg (1). Status messages
+ * are sent before any data.
+ *
+ * Incoming serial characters are put into the rx ring by the serial
+ * interrupt, and the EP2in buffer sent if it wasn't already in transit.
+ * When the EP2in buffer returns, the interrupt prompts us to send more
+ * rx chars (or status messages) if they are pending.
+ *
+ * Device control happens through "vendor specific" control messages on EP0.
+ * All messages are destined for the "Interface" (with the index always 0,
+ * so that if their two-port device might someday use similar firmware, we
+ * can use index=1 to refer to the second port). The messages defined are:
+ *
+ * bRequest = 0 : set baud/bits/parity
+ * 1 : unused
+ * 2 : reserved for setting HW flow control (CTSRTS)
+ * 3 : get/set "modem info" (pin states: DTR, RTS, DCD, RI, etc)
+ * 4 : set break (on/off)
+ * 5 : reserved for requesting interrupts on pin state change
+ * 6 : query buffer room or chars in tx buffer
+ * 7 : request tx unthrottle interrupt
+ *
+ * The host-side driver is set to recognize the device ID values stashed in
+ * serial EEPROM (0x06cd, 0x0103), program this firmware into place, then
+ * start it running. This firmware will use EzUSB's "renumeration" trick by
+ * simulating a bus disconnect, then reconnect with a different device ID
+ * (encoded in the desc_device descriptor below). The host driver then
+ * recognizes the new device ID and glues it to the real serial driver code.
+ *
+ * USEFUL DOCS:
+ * EzUSB Technical Reference Manual: <http://www.cypress.com/>
+ * 8051 manuals: everywhere, but try www.dalsemi.com because the EzUSB is
+ * basically the Dallas enhanced 8051 code. Remember that the EzUSB IO ports
+ * use totally different registers!
+ * USB 1.1 spec: www.usb.org
+ *
+ * HOW TO BUILD:
+ * gcc -x assembler-with-cpp -P -E -o keyspan_pda.asm keyspan_pda.s
+ * as31 -l keyspan_pda.asm
+ * mv keyspan_pda.obj keyspan_pda.hex
+ * perl ezusb_convert.pl keyspan_pda < keyspan_pda.hex > keyspan_pda_fw.h
+ * Get as31 from <http://www.pjrc.com/tech/8051/index.html>, and hack on it
+ * a bit to make it build.
+ *
+ * THANKS:
+ * Greg Kroah-Hartman, for coordinating the whole usb-serial thing.
+ * AnchorChips, for making such an incredibly useful little microcontroller.
+ * KeySpan, for making a handy, cheap ($40) widget that was so easy to take
+ * apart and trace with an ohmmeter.
+ *
+ * TODO:
+ * lots. grep for TODO. Interrupt safety needs stress-testing. Better flow
+ * control. Interrupting host upon change in DCD, etc, counting transitions.
+ * Need to find a safe device id to use (the one used by the Keyspan firmware
+ * under Windows would be ideal.. can anyone figure out what it is?). Parity.
+ * More baud rates. Oh, and the string-descriptor-length silicon bug
+ * workaround should be implemented, but I'm lazy, and the consequence is
+ * that the device name strings that show up in your kernel log will have
+ * lots of trailing binary garbage in them (appears as ????). Device strings
+ * should be made more accurate.
+ *
+ * Questions, bugs, patches to Brian.
+ *
+ * -Brian Warner <warner@lothar.com>
+ *
+ */
+
+#define HIGH(x) (((x) & 0xff00) / 256)
+#define LOW(x) ((x) & 0xff)
+
+#define dpl1 0x84
+#define dph1 0x85
+#define dps 0x86
+
+;;; our bit assignments
+#define TX_RUNNING 0
+#define DO_TX_UNTHROTTLE 1
+
+ ;; stack from 0x60 to 0x7f: should really set SP to 0x60-1, not 0x60
+#define STACK #0x60-1
+
+#define EXIF 0x91
+#define EIE 0xe8
+ .flag EUSB, EIE.0
+ .flag ES0, IE.4
+
+#define EP0CS #0x7fb4
+#define EP0STALLbit #0x01
+#define IN0BUF #0x7f00
+#define IN0BC #0x7fb5
+#define OUT0BUF #0x7ec0
+#define OUT0BC #0x7fc5
+#define IN2BUF #0x7e00
+#define IN2BC #0x7fb9
+#define IN2CS #0x7fb8
+#define OUT2BC #0x7fc9
+#define OUT2CS #0x7fc8
+#define OUT2BUF #0x7dc0
+#define IN4BUF #0x7d00
+#define IN4BC #0x7fbd
+#define IN4CS #0x7fbc
+#define OEB #0x7f9d
+#define OUTB #0x7f97
+#define OEC #0x7f9e
+#define OUTC #0x7f98
+#define PINSC #0x7f9b
+#define PORTCCFG #0x7f95
+#define IN07IRQ #0x7fa9
+#define OUT07IRQ #0x7faa
+#define IN07IEN #0x7fac
+#define OUT07IEN #0x7fad
+#define USBIRQ #0x7fab
+#define USBIEN #0x7fae
+#define USBBAV #0x7faf
+#define USBCS #0x7fd6
+#define SUDPTRH #0x7fd4
+#define SUDPTRL #0x7fd5
+#define SETUPDAT #0x7fe8
+
+ ;; usb interrupt : enable is EIE.0 (0xe8), flag is EXIF.4 (0x91)
+
+ .org 0
+ ljmp start
+ ;; interrupt vectors
+ .org 23H
+ ljmp serial_int
+ .byte 0
+
+ .org 43H
+ ljmp USB_Jump_Table
+ .byte 0 ; filled in by the USB core
+
+;;; local variables. These are not initialized properly: do it by hand.
+ .org 30H
+rx_ring_in: .byte 0
+rx_ring_out: .byte 0
+tx_ring_in: .byte 0
+tx_ring_out: .byte 0
+tx_unthrottle_threshold: .byte 0
+
+ .org 0x100H ; wants to be on a page boundary
+USB_Jump_Table:
+ ljmp ISR_Sudav ; Setup Data Available
+ .byte 0
+ ljmp 0 ; Start of Frame
+ .byte 0
+ ljmp 0 ; Setup Data Loading
+ .byte 0
+ ljmp 0 ; Global Suspend
+ .byte 0
+ ljmp 0 ; USB Reset
+ .byte 0
+ ljmp 0 ; Reserved
+ .byte 0
+ ljmp 0 ; End Point 0 In
+ .byte 0
+ ljmp 0 ; End Point 0 Out
+ .byte 0
+ ljmp 0 ; End Point 1 In
+ .byte 0
+ ljmp 0 ; End Point 1 Out
+ .byte 0
+ ljmp ISR_Ep2in
+ .byte 0
+ ljmp ISR_Ep2out
+ .byte 0
+
+
+ .org 0x200
+
+start: mov SP,STACK-1 ; set stack
+ ;; clear local variables
+ clr a
+ mov tx_ring_in, a
+ mov tx_ring_out, a
+ mov rx_ring_in, a
+ mov rx_ring_out, a
+ mov tx_unthrottle_threshold, a
+ clr TX_RUNNING
+ clr DO_TX_UNTHROTTLE
+
+ ;; clear fifo with "fe"
+ mov r1, 0
+ mov a, #0xfe
+ mov dptr, #tx_ring
+clear_tx_ring_loop:
+ movx @dptr, a
+ inc dptr
+ djnz r1, clear_tx_ring_loop
+
+ mov a, #0xfd
+ mov dptr, #rx_ring
+clear_rx_ring_loop:
+ movx @dptr, a
+ inc dptr
+ djnz r1, clear_rx_ring_loop
+
+;;; turn on the RS-232 driver chip (bring the STANDBY pin low)
+ ;; set OEB.1
+ mov a, #02H
+ mov dptr,OEB
+ movx @dptr,a
+ ;; clear PB1
+ mov a, #00H
+ mov dptr,OUTB
+ movx @dptr,a
+ ;; set OEC.[127]
+ mov a, #0x86
+ mov dptr,OEC
+ movx @dptr,a
+ ;; set PORTCCFG.[01] to route TxD0,RxD0 to serial port
+ mov dptr, PORTCCFG
+ mov a, #0x03
+ movx @dptr, a
+
+ ;; set up interrupts, autovectoring
+ mov dptr, USBBAV
+ movx a,@dptr
+ setb acc.0 ; AVEN bit to 0
+ movx @dptr, a
+
+ mov a,#0x01 ; enable SUDAV: setup data available (for ep0)
+ mov dptr, USBIRQ
+ movx @dptr, a ; clear SUDAVI
+ mov dptr, USBIEN
+ movx @dptr, a
+
+ mov dptr, IN07IEN
+ mov a,#0x04 ; enable IN2 int
+ movx @dptr, a
+
+ mov dptr, OUT07IEN
+ mov a,#0x04 ; enable OUT2 int
+ movx @dptr, a
+ mov dptr, OUT2BC
+ movx @dptr, a ; arm OUT2
+
+ mov a, #0x84 ; turn on RTS, DTR
+ mov dptr,OUTC
+ movx @dptr, a
+ ;; setup the serial port. 9600 8N1.
+ mov a,#01010011 ; mode 1, enable rx, clear int
+ mov SCON, a
+ ;; using timer2, in 16-bit baud-rate-generator mode
+ ;; (xtal 12MHz, internal fosc 24MHz)
+ ;; RCAP2H,RCAP2L = 65536 - fosc/(32*baud)
+ ;; 57600: 0xFFF2.F, say 0xFFF3
+ ;; 9600: 0xFFB1.E, say 0xFFB2
+ ;; 300: 0xF63C
+#define BAUD 9600
+#define BAUD_TIMEOUT(rate) (65536 - (24 * 1000 * 1000) / (32 * rate))
+#define BAUD_HIGH(rate) HIGH(BAUD_TIMEOUT(rate))
+#define BAUD_LOW(rate) LOW(BAUD_TIMEOUT(rate))
+
+ mov T2CON, #030h ; rclk=1,tclk=1,cp=0,tr2=0(enable later)
+ mov r3, #5
+ acall set_baud
+ setb TR2
+ mov SCON, #050h
+
+#if 0
+ mov r1, #0x40
+ mov a, #0x41
+send:
+ mov SBUF, a
+ inc a
+ anl a, #0x3F
+ orl a, #0x40
+; xrl a, #0x02
+wait1:
+ jnb TI, wait1
+ clr TI
+ djnz r1, send
+;done: sjmp done
+
+#endif
+
+ setb EUSB
+ setb EA
+ setb ES0
+ ;acall dump_stat
+
+ ;; hey, what say we RENUMERATE! (TRM p.62)
+ mov a, #0
+ mov dps, a
+ mov dptr, USBCS
+ mov a, #0x02 ; DISCON=0, DISCOE=0, RENUM=1
+ movx @dptr, a
+ ;; now presence pin is floating, simulating disconnect. wait 0.5s
+ mov r1, #46
+renum_wait1:
+ mov r2, #0
+renum_wait2:
+ mov r3, #0
+renum_wait3:
+ djnz r3, renum_wait3
+ djnz r2, renum_wait2
+ djnz r1, renum_wait1 ; wait about n*(256^2) 6MHz clocks
+ mov a, #0x06 ; DISCON=0, DISCOE=1, RENUM=1
+ movx @dptr, a
+ ;; we are back online. the host device will now re-query us
+
+
+main: sjmp main
+
+
+
+ISR_Sudav:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ mov a,EXIF
+ clr acc.4
+ mov EXIF,a ; clear INT2 first
+ mov dptr, USBIRQ ; clear USB int
+ mov a,#01h
+ movx @dptr,a
+
+ ;; get request type
+ mov dptr, SETUPDAT
+ movx a, @dptr
+ mov r1, a ; r1 = bmRequestType
+ inc dptr
+ movx a, @dptr
+ mov r2, a ; r2 = bRequest
+ inc dptr
+ movx a, @dptr
+ mov r3, a ; r3 = wValueL
+ inc dptr
+ movx a, @dptr
+ mov r4, a ; r4 = wValueH
+
+ ;; main switch on bmRequest.type: standard or vendor
+ mov a, r1
+ anl a, #0x60
+ cjne a, #0x00, setup_bmreq_type_not_standard
+ ;; standard request: now main switch is on bRequest
+ ljmp setup_bmreq_is_standard
+
+setup_bmreq_type_not_standard:
+ ;; a still has bmreq&0x60
+ cjne a, #0x40, setup_bmreq_type_not_vendor
+ ;; Anchor reserves bRequest 0xa0-0xaf, we use small ones
+ ;; switch on bRequest. bmRequest will always be 0x41 or 0xc1
+ cjne r2, #0x00, setup_ctrl_not_00
+ ;; 00 is set baud, wValue[0] has baud rate index
+ lcall set_baud ; index in r3, carry set if error
+ jc setup_bmreq_type_not_standard__do_stall
+ ljmp setup_done_ack
+setup_bmreq_type_not_standard__do_stall:
+ ljmp setup_stall
+setup_ctrl_not_00:
+ cjne r2, #0x01, setup_ctrl_not_01
+ ;; 01 is reserved for set bits (parity). TODO
+ ljmp setup_stall
+setup_ctrl_not_01:
+ cjne r2, #0x02, setup_ctrl_not_02
+ ;; 02 is set HW flow control. TODO
+ ljmp setup_stall
+setup_ctrl_not_02:
+ cjne r2, #0x03, setup_ctrl_not_03
+ ;; 03 is control pins (RTS, DTR).
+ ljmp control_pins ; will jump to setup_done_ack,
+ ; or setup_return_one_byte
+setup_ctrl_not_03:
+ cjne r2, #0x04, setup_ctrl_not_04
+ ;; 04 is send break (really "turn break on/off"). TODO
+ cjne r3, #0x00, setup_ctrl_do_break_on
+ ;; do break off: restore PORTCCFG.1 to reconnect TxD0 to serial port
+ mov dptr, PORTCCFG
+ movx a, @dptr
+ orl a, #0x02
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_ctrl_do_break_on:
+ ;; do break on: clear PORTCCFG.0, set TxD high(?) (b1 low)
+ mov dptr, OUTC
+ movx a, @dptr
+ anl a, #0xfd ; ~0x02
+ movx @dptr, a
+ mov dptr, PORTCCFG
+ movx a, @dptr
+ anl a, #0xfd ; ~0x02
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_ctrl_not_04:
+ cjne r2, #0x05, setup_ctrl_not_05
+ ;; 05 is set desired interrupt bitmap. TODO
+ ljmp setup_stall
+setup_ctrl_not_05:
+ cjne r2, #0x06, setup_ctrl_not_06
+ ;; 06 is query room
+ cjne r3, #0x00, setup_ctrl_06_not_00
+ ;; 06, wValue[0]=0 is query write_room
+ mov a, tx_ring_out
+ setb c
+ subb a, tx_ring_in ; out-1-in = 255 - (in-out)
+ ljmp setup_return_one_byte
+setup_ctrl_06_not_00:
+ cjne r3, #0x01, setup_ctrl_06_not_01
+ ;; 06, wValue[0]=1 is query chars_in_buffer
+ mov a, tx_ring_in
+ clr c
+ subb a, tx_ring_out ; in-out
+ ljmp setup_return_one_byte
+setup_ctrl_06_not_01:
+ ljmp setup_stall
+setup_ctrl_not_06:
+ cjne r2, #0x07, setup_ctrl_not_07
+ ;; 07 is request tx unthrottle interrupt
+ mov tx_unthrottle_threshold, r3; wValue[0] is threshold value
+ ljmp setup_done_ack
+setup_ctrl_not_07:
+ ljmp setup_stall
+
+setup_bmreq_type_not_vendor:
+ ljmp setup_stall
+
+
+setup_bmreq_is_standard:
+ cjne r2, #0x00, setup_breq_not_00
+ ;; 00: Get_Status (sub-switch on bmRequestType: device, ep, int)
+ cjne r1, #0x80, setup_Get_Status_not_device
+ ;; Get_Status(device)
+ ;; are we self-powered? no. can we do remote wakeup? no
+ ;; so return two zero bytes. This is reusable
+setup_return_two_zero_bytes:
+ mov dptr, IN0BUF
+ clr a
+ movx @dptr, a
+ inc dptr
+ movx @dptr, a
+ mov dptr, IN0BC
+ mov a, #2
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_Get_Status_not_device:
+ cjne r1, #0x82, setup_Get_Status_not_endpoint
+ ;; Get_Status(endpoint)
+ ;; must get stall bit for ep[wIndexL], return two bytes, bit in lsb 0
+ ;; for now: cheat. TODO
+ sjmp setup_return_two_zero_bytes
+setup_Get_Status_not_endpoint:
+ cjne r1, #0x81, setup_Get_Status_not_interface
+ ;; Get_Status(interface): return two zeros
+ sjmp setup_return_two_zero_bytes
+setup_Get_Status_not_interface:
+ ljmp setup_stall
+
+setup_breq_not_00:
+ cjne r2, #0x01, setup_breq_not_01
+ ;; 01: Clear_Feature (sub-switch on wValueL: stall, remote wakeup)
+ cjne r3, #0x00, setup_Clear_Feature_not_stall
+ ;; Clear_Feature(stall). should clear a stall bit. TODO
+ ljmp setup_stall
+setup_Clear_Feature_not_stall:
+ cjne r3, #0x01, setup_Clear_Feature_not_rwake
+ ;; Clear_Feature(remote wakeup). ignored.
+ ljmp setup_done_ack
+setup_Clear_Feature_not_rwake:
+ ljmp setup_stall
+
+setup_breq_not_01:
+ cjne r2, #0x03, setup_breq_not_03
+ ;; 03: Set_Feature (sub-switch on wValueL: stall, remote wakeup)
+ cjne r3, #0x00, setup_Set_Feature_not_stall
+ ;; Set_Feature(stall). Should set a stall bit. TODO
+ ljmp setup_stall
+setup_Set_Feature_not_stall:
+ cjne r3, #0x01, setup_Set_Feature_not_rwake
+ ;; Set_Feature(remote wakeup). ignored.
+ ljmp setup_done_ack
+setup_Set_Feature_not_rwake:
+ ljmp setup_stall
+
+setup_breq_not_03:
+ cjne r2, #0x06, setup_breq_not_06
+ ;; 06: Get_Descriptor (s-switch on wValueH: dev, config[n], string[n])
+ cjne r4, #0x01, setup_Get_Descriptor_not_device
+ ;; Get_Descriptor(device)
+ mov dptr, SUDPTRH
+ mov a, #HIGH(desc_device)
+ movx @dptr, a
+ mov dptr, SUDPTRL
+ mov a, #LOW(desc_device)
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_Get_Descriptor_not_device:
+ cjne r4, #0x02, setup_Get_Descriptor_not_config
+ ;; Get_Descriptor(config[n])
+ cjne r3, #0x00, setup_stall; only handle n==0
+ ;; Get_Descriptor(config[0])
+ mov dptr, SUDPTRH
+ mov a, #HIGH(desc_config1)
+ movx @dptr, a
+ mov dptr, SUDPTRL
+ mov a, #LOW(desc_config1)
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_Get_Descriptor_not_config:
+ cjne r4, #0x03, setup_Get_Descriptor_not_string
+ ;; Get_Descriptor(string[wValueL])
+ ;; if (wValueL >= maxstrings) stall
+ mov a, #((desc_strings_end-desc_strings)/2)
+ clr c
+ subb a,r3 ; a=4, r3 = 0..3 . if a<=0 then stall
+ jc setup_stall
+ jz setup_stall
+ mov a, r3
+ add a, r3 ; a = 2*wValueL
+ mov dptr, #desc_strings
+ add a, dpl
+ mov dpl, a
+ mov a, #0
+ addc a, dph
+ mov dph, a ; dph = desc_strings[a]. big endian! (handy)
+ ;; it looks like my adapter uses a revision of the EZUSB that
+ ;; contains "rev D errata number 8", as hinted in the EzUSB example
+ ;; code. I cannot find an actual errata description on the Cypress
+ ;; web site, but from the example code it looks like this bug causes
+ ;; the length of string descriptors to be read incorrectly, possibly
+ ;; sending back more characters than the descriptor has. The workaround
+ ;; is to manually send out all of the data. The consequence of not
+ ;; using the workaround is that the strings gathered by the kernel
+ ;; driver are too long and are filled with trailing garbage (including
+ ;; leftover strings). Writing this out by hand is a nuisance, so for
+ ;; now I will just live with the bug.
+ movx a, @dptr
+ mov r1, a
+ inc dptr
+ movx a, @dptr
+ mov r2, a
+ mov dptr, SUDPTRH
+ mov a, r1
+ movx @dptr, a
+ mov dptr, SUDPTRL
+ mov a, r2
+ movx @dptr, a
+ ;; done
+ ljmp setup_done_ack
+
+setup_Get_Descriptor_not_string:
+ ljmp setup_stall
+
+setup_breq_not_06:
+ cjne r2, #0x08, setup_breq_not_08
+ ;; Get_Configuration. always 1. return one byte.
+ ;; this is reusable
+ mov a, #1
+setup_return_one_byte:
+ mov dptr, IN0BUF
+ movx @dptr, a
+ mov a, #1
+ mov dptr, IN0BC
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_breq_not_08:
+ cjne r2, #0x09, setup_breq_not_09
+ ;; 09: Set_Configuration. ignored.
+ ljmp setup_done_ack
+setup_breq_not_09:
+ cjne r2, #0x0a, setup_breq_not_0a
+ ;; 0a: Get_Interface. get the current altsetting for int[wIndexL]
+ ;; since we only have one interface, ignore wIndexL, return a 0
+ mov a, #0
+ ljmp setup_return_one_byte
+setup_breq_not_0a:
+ cjne r2, #0x0b, setup_breq_not_0b
+ ;; 0b: Set_Interface. set altsetting for interface[wIndexL]. ignored
+ ljmp setup_done_ack
+setup_breq_not_0b:
+ ljmp setup_stall
+
+
+setup_done_ack:
+ ;; now clear HSNAK
+ mov dptr, EP0CS
+ mov a, #0x02
+ movx @dptr, a
+ sjmp setup_done
+setup_stall:
+ ;; unhandled. STALL
+ ;EP0CS |= bmEPSTALL
+ mov dptr, EP0CS
+ movx a, @dptr
+ orl a, EP0STALLbit
+ movx @dptr, a
+ sjmp setup_done
+
+setup_done:
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+;;; ==============================================================
+
+set_baud: ; baud index in r3
+ ;; verify a < 10
+ mov a, r3
+ jb ACC.7, set_baud__badbaud
+ clr c
+ subb a, #10
+ jnc set_baud__badbaud
+ mov a, r3
+ rl a ; a = index*2
+ add a, #LOW(baud_table)
+ mov dpl, a
+ mov a, #HIGH(baud_table)
+ addc a, #0
+ mov dph, a
+ ;; TODO: shut down xmit/receive
+ ;; TODO: wait for current xmit char to leave
+ ;; TODO: shut down timer to avoid partial-char glitch
+ movx a,@dptr ; BAUD_HIGH
+ mov RCAP2H, a
+ mov TH2, a
+ inc dptr
+ movx a,@dptr ; BAUD_LOW
+ mov RCAP2L, a
+ mov TL2, a
+ ;; TODO: restart xmit/receive
+ ;; TODO: reenable interrupts, resume tx if pending
+ clr c ; c=0: success
+ ret
+set_baud__badbaud:
+ setb c ; c=1: failure
+ ret
+
+;;; ==================================================
+control_pins:
+ cjne r1, #0x41, control_pins_in
+control_pins_out:
+ mov a, r3 ; wValue[0] holds new bits: b7 is new DTR, b2 is new RTS
+ xrl a, #0xff ; 1 means active, 0V, +12V ?
+ anl a, #0x84
+ mov r3, a
+ mov dptr, OUTC
+ movx a, @dptr ; only change bits 7 and 2
+ anl a, #0x7b ; ~0x84
+ orl a, r3
+ movx @dptr, a ; other pins are inputs, bits ignored
+ ljmp setup_done_ack
+control_pins_in:
+ mov dptr, PINSC
+ movx a, @dptr
+ xrl a, #0xff
+ ljmp setup_return_one_byte
+
+;;; ========================================
+
+ISR_Ep2in:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ mov a,EXIF
+ clr acc.4
+ mov EXIF,a ; clear INT2 first
+ mov dptr, IN07IRQ ; clear USB int
+ mov a,#04h
+ movx @dptr,a
+
+ ;; do stuff
+ lcall start_in
+
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+ISR_Ep2out:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ mov a,EXIF
+ clr acc.4
+ mov EXIF,a ; clear INT2 first
+ mov dptr, OUT07IRQ ; clear USB int
+ mov a,#04h
+ movx @dptr,a
+
+ ;; do stuff
+
+ ;; copy data into buffer. for now, assume we will have enough space
+ mov dptr, OUT2BC ; get byte count
+ movx a,@dptr
+ mov r1, a
+ clr a
+ mov dps, a
+ mov dptr, OUT2BUF ; load DPTR0 with source
+ mov dph1, #HIGH(tx_ring) ; load DPTR1 with target
+ mov dpl1, tx_ring_in
+OUT_loop:
+ movx a,@dptr ; read
+ inc dps ; switch to DPTR1: target
+ inc dpl1 ; target = tx_ring_in+1
+ movx @dptr,a ; store
+ mov a,dpl1
+ cjne a, tx_ring_out, OUT_no_overflow
+ sjmp OUT_overflow
+OUT_no_overflow:
+ inc tx_ring_in ; tx_ring_in++
+ inc dps ; switch to DPTR0: source
+ inc dptr
+ djnz r1, OUT_loop
+ sjmp OUT_done
+OUT_overflow:
+ ;; signal overflow
+ ;; fall through
+OUT_done:
+ ;; ack
+ mov dptr,OUT2BC
+ movx @dptr,a
+
+ ;; start tx
+ acall maybe_start_tx
+ ;acall dump_stat
+
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+dump_stat:
+ ;; fill in EP4in with a debugging message:
+ ;; tx_ring_in, tx_ring_out, rx_ring_in, rx_ring_out
+ ;; tx_active
+ ;; tx_ring[0..15]
+ ;; 0xfc
+ ;; rx_ring[0..15]
+ clr a
+ mov dps, a
+
+ mov dptr, IN4CS
+ movx a, @dptr
+ jb acc.1, dump_stat__done; busy: cannot dump, old one still pending
+ mov dptr, IN4BUF
+
+ mov a, tx_ring_in
+ movx @dptr, a
+ inc dptr
+ mov a, tx_ring_out
+ movx @dptr, a
+ inc dptr
+
+ mov a, rx_ring_in
+ movx @dptr, a
+ inc dptr
+ mov a, rx_ring_out
+ movx @dptr, a
+ inc dptr
+
+ clr a
+ jnb TX_RUNNING, dump_stat__no_tx_running
+ inc a
+dump_stat__no_tx_running:
+ movx @dptr, a
+ inc dptr
+ ;; tx_ring[0..15]
+ inc dps
+ mov dptr, #tx_ring ; DPTR1: source
+ mov r1, #16
+dump_stat__tx_ring_loop:
+ movx a, @dptr
+ inc dptr
+ inc dps
+ movx @dptr, a
+ inc dptr
+ inc dps
+ djnz r1, dump_stat__tx_ring_loop
+ inc dps
+
+ mov a, #0xfc
+ movx @dptr, a
+ inc dptr
+
+ ;; rx_ring[0..15]
+ inc dps
+ mov dptr, #rx_ring ; DPTR1: source
+ mov r1, #16
+dump_stat__rx_ring_loop:
+ movx a, @dptr
+ inc dptr
+ inc dps
+ movx @dptr, a
+ inc dptr
+ inc dps
+ djnz r1, dump_stat__rx_ring_loop
+
+ ;; now send it
+ clr a
+ mov dps, a
+ mov dptr, IN4BC
+ mov a, #38
+ movx @dptr, a
+dump_stat__done:
+ ret
+
+;;; ============================================================
+
+maybe_start_tx:
+ ;; make sure the tx process is running.
+ jb TX_RUNNING, start_tx_done
+start_tx:
+ ;; is there work to be done?
+ mov a, tx_ring_in
+ cjne a,tx_ring_out, start_tx__work
+ ret ; no work
+start_tx__work:
+ ;; tx was not running. send the first character, setup the TI int
+ inc tx_ring_out ; [++tx_ring_out]
+ mov dph, #HIGH(tx_ring)
+ mov dpl, tx_ring_out
+ movx a, @dptr
+ mov sbuf, a
+ setb TX_RUNNING
+start_tx_done:
+ ;; can we unthrottle the host tx process?
+ ;; step 1: do we care?
+ mov a, #0
+ cjne a, tx_unthrottle_threshold, start_tx__maybe_unthrottle_tx
+ ;; nope
+start_tx_really_done:
+ ret
+start_tx__maybe_unthrottle_tx:
+ ;; step 2: is there now room?
+ mov a, tx_ring_out
+ setb c
+ subb a, tx_ring_in
+ ;; a is now write_room. If thresh >= a, we can unthrottle
+ clr c
+ subb a, tx_unthrottle_threshold
+ jc start_tx_really_done ; nope
+ ;; yes, we can unthrottle. remove the threshold and mark a request
+ mov tx_unthrottle_threshold, #0
+ setb DO_TX_UNTHROTTLE
+ ;; prod rx, which will actually send the message when in2 becomes free
+ ljmp start_in
+
+
+serial_int:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ jnb TI, serial_int__not_tx
+ ;; tx finished. send another character if we have one
+ clr TI ; clear int
+ clr TX_RUNNING
+ lcall start_tx
+serial_int__not_tx:
+ jnb RI, serial_int__not_rx
+ lcall get_rx_char
+ clr RI ; clear int
+serial_int__not_rx:
+ ;; return
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+get_rx_char:
+ mov dph, #HIGH(rx_ring)
+ mov dpl, rx_ring_in
+ inc dpl ; target = rx_ring_in+1
+ mov a, sbuf
+ movx @dptr, a
+ ;; check for overflow before incrementing rx_ring_in
+ mov a, dpl
+ cjne a, rx_ring_out, get_rx_char__no_overflow
+ ;; signal overflow
+ ret
+get_rx_char__no_overflow:
+ inc rx_ring_in
+ ;; kick off USB INpipe
+ acall start_in
+ ret
+
+start_in:
+ ;; check if the inpipe is already running.
+ mov dptr, IN2CS
+ movx a, @dptr
+ jb acc.1, start_in__done; int will handle it
+ jb DO_TX_UNTHROTTLE, start_in__do_tx_unthrottle
+ ;; see if there is any work to do. a serial interrupt might occur
+ ;; during this sequence?
+ mov a, rx_ring_in
+ cjne a, rx_ring_out, start_in__have_work
+ ret ; nope
+start_in__have_work:
+ ;; now copy as much data as possible into the pipe. 63 bytes max.
+ clr a
+ mov dps, a
+ mov dph, #HIGH(rx_ring) ; load DPTR0 with source
+ inc dps
+ mov dptr, IN2BUF ; load DPTR1 with target
+ movx @dptr, a ; in[0] signals that rest of IN is rx data
+ inc dptr
+ inc dps
+ ;; loop until we run out of data, or we have copied 64 bytes
+ mov r1, #1 ; INbuf size counter
+start_in__loop:
+ mov a, rx_ring_in
+ cjne a, rx_ring_out, start_inlocal_irq_enablell_copying
+ sjmp start_in__kick
+start_inlocal_irq_enablell_copying:
+ inc rx_ring_out
+ mov dpl, rx_ring_out
+ movx a, @dptr
+ inc dps
+ movx @dptr, a ; write into IN buffer
+ inc dptr
+ inc dps
+ inc r1
+ cjne r1, #64, start_in__loop; loop
+start_in__kick:
+ ;; either we ran out of data, or we copied 64 bytes. r1 has byte count
+ ;; kick off IN
+ mov dptr, IN2BC
+ mov a, r1
+ jz start_in__done
+ movx @dptr, a
+ ;; done
+start_in__done:
+ ;acall dump_stat
+ ret
+start_in__do_tx_unthrottle:
+ ;; special sequence: send a tx unthrottle message
+ clr DO_TX_UNTHROTTLE
+ clr a
+ mov dps, a
+ mov dptr, IN2BUF
+ mov a, #1
+ movx @dptr, a
+ inc dptr
+ mov a, #2
+ movx @dptr, a
+ mov dptr, IN2BC
+ movx @dptr, a
+ ret
+
+putchar:
+ clr TI
+ mov SBUF, a
+putchar_wait:
+ jnb TI, putchar_wait
+ clr TI
+ ret
+
+
+baud_table: ; baud_high, then baud_low
+ ;; baud[0]: 110
+ .byte BAUD_HIGH(110)
+ .byte BAUD_LOW(110)
+ ;; baud[1]: 300
+ .byte BAUD_HIGH(300)
+ .byte BAUD_LOW(300)
+ ;; baud[2]: 1200
+ .byte BAUD_HIGH(1200)
+ .byte BAUD_LOW(1200)
+ ;; baud[3]: 2400
+ .byte BAUD_HIGH(2400)
+ .byte BAUD_LOW(2400)
+ ;; baud[4]: 4800
+ .byte BAUD_HIGH(4800)
+ .byte BAUD_LOW(4800)
+ ;; baud[5]: 9600
+ .byte BAUD_HIGH(9600)
+ .byte BAUD_LOW(9600)
+ ;; baud[6]: 19200
+ .byte BAUD_HIGH(19200)
+ .byte BAUD_LOW(19200)
+ ;; baud[7]: 38400
+ .byte BAUD_HIGH(38400)
+ .byte BAUD_LOW(38400)
+ ;; baud[8]: 57600
+ .byte BAUD_HIGH(57600)
+ .byte BAUD_LOW(57600)
+ ;; baud[9]: 115200
+ .byte BAUD_HIGH(115200)
+ .byte BAUD_LOW(115200)
+
+desc_device:
+ .byte 0x12, 0x01, 0x00, 0x01, 0xff, 0xff, 0xff, 0x40
+ .byte 0xcd, 0x06, 0x04, 0x01, 0x89, 0xab, 1, 2, 3, 0x01
+;;; The "real" device id, which must match the host driver, is that
+;;; "0xcd 0x06 0x04 0x01" sequence, which is 0x06cd, 0x0104
+
+desc_config1:
+ .byte 0x09, 0x02, 0x20, 0x00, 0x01, 0x01, 0x00, 0x80, 0x32
+ .byte 0x09, 0x04, 0x00, 0x00, 0x02, 0xff, 0xff, 0xff, 0x00
+ .byte 0x07, 0x05, 0x82, 0x03, 0x40, 0x00, 0x01
+ .byte 0x07, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00
+
+desc_strings:
+ .word string_langids, string_mfg, string_product, string_serial
+desc_strings_end:
+
+string_langids: .byte string_langids_end-string_langids
+ .byte 3
+ .word 0
+string_langids_end:
+
+ ;; sigh. These strings are Unicode, meaning UTF16? 2 bytes each. Now
+ ;; *that* is a pain in the ass to encode. And they are little-endian
+ ;; too. Use this perl snippet to get the bytecodes:
+ /* while (<>) {
+ @c = split(//);
+ foreach $c (@c) {
+ printf("0x%02x, 0x00, ", ord($c));
+ }
+ }
+ */
+
+string_mfg: .byte string_mfg_end-string_mfg
+ .byte 3
+; .byte "ACME usb widgets"
+ .byte 0x41, 0x00, 0x43, 0x00, 0x4d, 0x00, 0x45, 0x00, 0x20, 0x00, 0x75, 0x00, 0x73, 0x00, 0x62, 0x00, 0x20, 0x00, 0x77, 0x00, 0x69, 0x00, 0x64, 0x00, 0x67, 0x00, 0x65, 0x00, 0x74, 0x00, 0x73, 0x00
+string_mfg_end:
+
+string_product: .byte string_product_end-string_product
+ .byte 3
+; .byte "ACME USB serial widget"
+ .byte 0x41, 0x00, 0x43, 0x00, 0x4d, 0x00, 0x45, 0x00, 0x20, 0x00, 0x55, 0x00, 0x53, 0x00, 0x42, 0x00, 0x20, 0x00, 0x73, 0x00, 0x65, 0x00, 0x72, 0x00, 0x69, 0x00, 0x61, 0x00, 0x6c, 0x00, 0x20, 0x00, 0x77, 0x00, 0x69, 0x00, 0x64, 0x00, 0x67, 0x00, 0x65, 0x00, 0x74, 0x00
+string_product_end:
+
+string_serial: .byte string_serial_end-string_serial
+ .byte 3
+; .byte "47"
+ .byte 0x34, 0x00, 0x37, 0x00
+string_serial_end:
+
+;;; ring buffer memory
+ ;; tx_ring_in+1 is where the next input byte will go
+ ;; [tx_ring_out] has been sent
+ ;; if tx_ring_in == tx_ring_out, theres no work to do
+ ;; there are (tx_ring_in - tx_ring_out) chars to be written
+ ;; dont let _in lap _out
+ ;; cannot inc if tx_ring_in+1 == tx_ring_out
+ ;; write [tx_ring_in+1] then tx_ring_in++
+ ;; if (tx_ring_in+1 == tx_ring_out), overflow
+ ;; else tx_ring_in++
+ ;; read/send [tx_ring_out+1], then tx_ring_out++
+
+ ;; rx_ring_in works the same way
+
+ .org 0x1000
+tx_ring:
+ .skip 0x100 ; 256 bytes
+rx_ring:
+ .skip 0x100 ; 256 bytes
+
+
+ .END
+
diff --git a/firmware/keyspan_pda/xircom_pgs.HEX b/firmware/keyspan_pda/xircom_pgs.HEX
new file mode 100644
index 000000000..e9b00d702
--- /dev/null
+++ b/firmware/keyspan_pda/xircom_pgs.HEX
@@ -0,0 +1,87 @@
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+:1006C0004D004500200055005300420020007300FB
+:1006D00065007200690061006C002000770069000D
+:0E06E0006400670065007400060334003700F4
+:00000001FF
diff --git a/firmware/keyspan_pda/xircom_pgs.S b/firmware/keyspan_pda/xircom_pgs.S
new file mode 100644
index 000000000..0b79bbf0a
--- /dev/null
+++ b/firmware/keyspan_pda/xircom_pgs.S
@@ -0,0 +1,1192 @@
+/* $Id: loop.s,v 1.23 2000/03/20 09:49:06 warner Exp $
+ *
+ * Firmware for the Keyspan PDA Serial Adapter, a USB serial port based on
+ * the EzUSB microcontroller.
+ *
+ * (C) Copyright 2000 Brian Warner <warner@lothar.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.
+ *
+ * "Keyspan PDA Serial Adapter" is probably a copyright of Keyspan, the
+ * company.
+ *
+ * This serial adapter is basically an EzUSB chip and an RS-232 line driver
+ * in a little widget that has a DB-9 on one end and a USB plug on the other.
+ * It uses the EzUSB's internal UART0 (using the pins from Port C) and timer2
+ * as a baud-rate generator. The wiring is:
+ * PC0/RxD0 <- rxd (DB9 pin 2) PC4 <- dsr pin 6
+ * PC1/TxD0 -> txd pin 3 PC5 <- ri pin 9
+ * PC2 -> rts pin 7 PC6 <- dcd pin 1
+ * PC3 <- cts pin 8 PC7 -> dtr pin 4
+ * PB1 -> line driver standby
+ *
+ * The EzUSB register constants below come from their excellent documentation
+ * and sample code (which used to be available at www.anchorchips.com, but
+ * that has now been absorbed into Cypress' site and the CD-ROM contents
+ * don't appear to be available online anymore). If we get multiple
+ * EzUSB-based drivers into the kernel, it might be useful to pull them out
+ * into a separate .h file.
+ *
+ * THEORY OF OPERATION:
+ *
+ * There are two 256-byte ring buffers, one for tx, one for rx.
+ *
+ * EP2out is pure tx data. When it appears, the data is copied into the tx
+ * ring and serial transmission is started if it wasn't already running. The
+ * "tx buffer empty" interrupt may kick off another character if the ring
+ * still has data. If the host is tx-blocked because the ring filled up,
+ * it will request a "tx unthrottle" interrupt. If sending a serial character
+ * empties the ring below the desired threshold, we set a bit that will send
+ * up the tx unthrottle message as soon as the rx buffer becomes free.
+ *
+ * EP2in (interrupt) is used to send both rx chars and rx status messages
+ * (only "tx unthrottle" at this time) back up to the host. The first byte
+ * of the rx message indicates data (0) or status msg (1). Status messages
+ * are sent before any data.
+ *
+ * Incoming serial characters are put into the rx ring by the serial
+ * interrupt, and the EP2in buffer sent if it wasn't already in transit.
+ * When the EP2in buffer returns, the interrupt prompts us to send more
+ * rx chars (or status messages) if they are pending.
+ *
+ * Device control happens through "vendor specific" control messages on EP0.
+ * All messages are destined for the "Interface" (with the index always 0,
+ * so that if their two-port device might someday use similar firmware, we
+ * can use index=1 to refer to the second port). The messages defined are:
+ *
+ * bRequest = 0 : set baud/bits/parity
+ * 1 : unused
+ * 2 : reserved for setting HW flow control (CTSRTS)
+ * 3 : get/set "modem info" (pin states: DTR, RTS, DCD, RI, etc)
+ * 4 : set break (on/off)
+ * 5 : reserved for requesting interrupts on pin state change
+ * 6 : query buffer room or chars in tx buffer
+ * 7 : request tx unthrottle interrupt
+ *
+ * The host-side driver is set to recognize the device ID values stashed in
+ * serial EEPROM (0x06cd, 0x0103), program this firmware into place, then
+ * start it running. This firmware will use EzUSB's "renumeration" trick by
+ * simulating a bus disconnect, then reconnect with a different device ID
+ * (encoded in the desc_device descriptor below). The host driver then
+ * recognizes the new device ID and glues it to the real serial driver code.
+ *
+ * USEFUL DOCS:
+ * EzUSB Technical Reference Manual: <http://www.cypress.com/>
+ * 8051 manuals: everywhere, but try www.dalsemi.com because the EzUSB is
+ * basically the Dallas enhanced 8051 code. Remember that the EzUSB IO ports
+ * use totally different registers!
+ * USB 1.1 spec: www.usb.org
+ *
+ * HOW TO BUILD:
+ * gcc -x assembler-with-cpp -P -E -o keyspan_pda.asm keyspan_pda.s
+ * as31 -l keyspan_pda.asm
+ * mv keyspan_pda.obj keyspan_pda.hex
+ * perl ezusb_convert.pl keyspan_pda < keyspan_pda.hex > keyspan_pda_fw.h
+ * Get as31 from <http://www.pjrc.com/tech/8051/index.html>, and hack on it
+ * a bit to make it build.
+ *
+ * THANKS:
+ * Greg Kroah-Hartman, for coordinating the whole usb-serial thing.
+ * AnchorChips, for making such an incredibly useful little microcontroller.
+ * KeySpan, for making a handy, cheap ($40) widget that was so easy to take
+ * apart and trace with an ohmmeter.
+ *
+ * TODO:
+ * lots. grep for TODO. Interrupt safety needs stress-testing. Better flow
+ * control. Interrupting host upon change in DCD, etc, counting transitions.
+ * Need to find a safe device id to use (the one used by the Keyspan firmware
+ * under Windows would be ideal.. can anyone figure out what it is?). Parity.
+ * More baud rates. Oh, and the string-descriptor-length silicon bug
+ * workaround should be implemented, but I'm lazy, and the consequence is
+ * that the device name strings that show up in your kernel log will have
+ * lots of trailing binary garbage in them (appears as ????). Device strings
+ * should be made more accurate.
+ *
+ * Questions, bugs, patches to Brian.
+ *
+ * -Brian Warner <warner@lothar.com>
+ *
+ */
+
+#define HIGH(x) (((x) & 0xff00) / 256)
+#define LOW(x) ((x) & 0xff)
+
+#define dpl1 0x84
+#define dph1 0x85
+#define dps 0x86
+
+;;; our bit assignments
+#define TX_RUNNING 0
+#define DO_TX_UNTHROTTLE 1
+
+ ;; stack from 0x60 to 0x7f: should really set SP to 0x60-1, not 0x60
+#define STACK #0x60-1
+
+#define EXIF 0x91
+#define EIE 0xe8
+ .flag EUSB, EIE.0
+ .flag ES0, IE.4
+
+#define EP0CS #0x7fb4
+#define EP0STALLbit #0x01
+#define IN0BUF #0x7f00
+#define IN0BC #0x7fb5
+#define OUT0BUF #0x7ec0
+#define OUT0BC #0x7fc5
+#define IN2BUF #0x7e00
+#define IN2BC #0x7fb9
+#define IN2CS #0x7fb8
+#define OUT2BC #0x7fc9
+#define OUT2CS #0x7fc8
+#define OUT2BUF #0x7dc0
+#define IN4BUF #0x7d00
+#define IN4BC #0x7fbd
+#define IN4CS #0x7fbc
+#define OEB #0x7f9d
+#define OUTB #0x7f97
+#define OEC #0x7f9e
+#define OUTC #0x7f98
+#define PINSC #0x7f9b
+#define PORTBCFG #0x7f94
+#define PORTCCFG #0x7f95
+#define OEA #0x7f9c
+#define IN07IRQ #0x7fa9
+#define OUT07IRQ #0x7faa
+#define IN07IEN #0x7fac
+#define OUT07IEN #0x7fad
+#define USBIRQ #0x7fab
+#define USBIEN #0x7fae
+#define USBBAV #0x7faf
+#define USBCS #0x7fd6
+#define SUDPTRH #0x7fd4
+#define SUDPTRL #0x7fd5
+#define SETUPDAT #0x7fe8
+
+ ;; usb interrupt : enable is EIE.0 (0xe8), flag is EXIF.4 (0x91)
+
+ .org 0
+ ljmp start
+ ;; interrupt vectors
+ .org 23H
+ ljmp serial_int
+ .byte 0
+
+ .org 43H
+ ljmp USB_Jump_Table
+ .byte 0 ; filled in by the USB core
+
+;;; local variables. These are not initialized properly: do it by hand.
+ .org 30H
+rx_ring_in: .byte 0
+rx_ring_out: .byte 0
+tx_ring_in: .byte 0
+tx_ring_out: .byte 0
+tx_unthrottle_threshold: .byte 0
+
+ .org 0x100H ; wants to be on a page boundary
+USB_Jump_Table:
+ ljmp ISR_Sudav ; Setup Data Available
+ .byte 0
+ ljmp 0 ; Start of Frame
+ .byte 0
+ ljmp 0 ; Setup Data Loading
+ .byte 0
+ ljmp 0 ; Global Suspend
+ .byte 0
+ ljmp 0 ; USB Reset
+ .byte 0
+ ljmp 0 ; Reserved
+ .byte 0
+ ljmp 0 ; End Point 0 In
+ .byte 0
+ ljmp 0 ; End Point 0 Out
+ .byte 0
+ ljmp 0 ; End Point 1 In
+ .byte 0
+ ljmp 0 ; End Point 1 Out
+ .byte 0
+ ljmp ISR_Ep2in
+ .byte 0
+ ljmp ISR_Ep2out
+ .byte 0
+
+
+ .org 0x200
+
+start: mov SP,STACK-1 ; set stack
+ ;; clear local variables
+ clr a
+ mov tx_ring_in, a
+ mov tx_ring_out, a
+ mov rx_ring_in, a
+ mov rx_ring_out, a
+ mov tx_unthrottle_threshold, a
+ clr TX_RUNNING
+ clr DO_TX_UNTHROTTLE
+
+ ;; clear fifo with "fe"
+ mov r1, 0
+ mov a, #0xfe
+ mov dptr, #tx_ring
+clear_tx_ring_loop:
+ movx @dptr, a
+ inc dptr
+ djnz r1, clear_tx_ring_loop
+
+ mov a, #0xfd
+ mov dptr, #rx_ring
+clear_rx_ring_loop:
+ movx @dptr, a
+ inc dptr
+ djnz r1, clear_rx_ring_loop
+
+;;; turn on the RS-232 driver chip (bring the STANDBY pin low)
+;;; on Xircom the STANDBY is wired to PB6 and PC4
+ mov dptr, PORTBCFG
+ mov a, #0xBf
+ movx @dptr, a
+ mov dptr, PORTCCFG
+ mov a, #0xef
+ movx @dptr, a
+
+ ;; set OEC.4
+ mov a, #0x10
+ mov dptr,OEC
+ movx @dptr,a
+
+ ;; clear PC4
+ mov a, #0x00
+ mov dptr,OUTC
+ movx @dptr,a
+
+ ;; set OEB.6
+ mov a, #0x40
+ mov dptr,OEB
+ movx @dptr,a
+
+ ;; clear PB6
+ mov a, #0x00
+ mov dptr,OUTB
+ movx @dptr,a
+
+ ;; set OEC.[17]
+ mov a, #0x82
+ mov dptr,OEC
+ movx @dptr,a
+
+
+ ;; set PORTCCFG.[01] to route TxD0,RxD0 to serial port
+ mov dptr, PORTCCFG
+ mov a, #0x03
+ movx @dptr, a
+
+ ;; set up interrupts, autovectoring
+ ;; set BKPT
+ mov dptr, USBBAV
+ movx a,@dptr
+ setb acc.0 ; AVEN bit to 0
+ movx @dptr, a
+
+ mov a,#0x01 ; enable SUDAV: setup data available (for ep0)
+ mov dptr, USBIRQ
+ movx @dptr, a ; clear SUDAVI
+ mov dptr, USBIEN
+ movx @dptr, a
+
+ mov dptr, IN07IEN
+ mov a,#0x04 ; enable IN2 int
+ movx @dptr, a
+
+ mov dptr, OUT07IEN
+ mov a,#0x04 ; enable OUT2 int
+ movx @dptr, a
+ mov dptr, OUT2BC
+ movx @dptr, a ; arm OUT2
+
+;; mov a, #0x84 ; turn on RTS, DTR
+;; mov dptr,OUTC
+;; movx @dptr, a
+
+ mov a, #0x7 ; turn on DTR
+ mov dptr,USBBAV
+ movx @dptr, a
+
+ mov a, #0x20 ; turn on the RED led
+ mov dptr,OEA
+ movx @dptr, a
+
+ mov a, #0x80 ; turn on RTS
+ mov dptr,OUTC
+ movx @dptr, a
+
+ ;; setup the serial port. 9600 8N1.
+ mov a,#0x53 ; mode 1, enable rx, clear int
+ mov SCON, a
+ ;; using timer2, in 16-bit baud-rate-generator mode
+ ;; (xtal 12MHz, internal fosc 24MHz)
+ ;; RCAP2H,RCAP2L = 65536 - fosc/(32*baud)
+ ;; 57600: 0xFFF2.F, say 0xFFF3
+ ;; 9600: 0xFFB1.E, say 0xFFB2
+ ;; 300: 0xF63C
+#define BAUD 9600
+#define BAUD_TIMEOUT(rate) (65536 - (24 * 1000 * 1000) / (32 * rate))
+#define BAUD_HIGH(rate) HIGH(BAUD_TIMEOUT(rate))
+#define BAUD_LOW(rate) LOW(BAUD_TIMEOUT(rate))
+
+ mov T2CON, #030h ; rclk=1,tclk=1,cp=0,tr2=0(enable later)
+ mov r3, #5
+ acall set_baud
+ setb TR2
+ mov SCON, #050h
+
+#if 0
+ mov r1, #0x40
+ mov a, #0x41
+send:
+ mov SBUF, a
+ inc a
+ anl a, #0x3F
+ orl a, #0x40
+; xrl a, #0x02
+wait1:
+ jnb TI, wait1
+ clr TI
+ djnz r1, send
+;done: sjmp done
+
+#endif
+
+ setb EUSB
+ setb EA
+ setb ES0
+ ;acall dump_stat
+
+ ;; hey, what say we RENUMERATE! (TRM p.62)
+ mov a, #0
+ mov dps, a
+ mov dptr, USBCS
+ mov a, #0x02 ; DISCON=0, DISCOE=0, RENUM=1
+ movx @dptr, a
+ ;; now presence pin is floating, simulating disconnect. wait 0.5s
+ mov r1, #46
+renum_wait1:
+ mov r2, #0
+renum_wait2:
+ mov r3, #0
+renum_wait3:
+ djnz r3, renum_wait3
+ djnz r2, renum_wait2
+ djnz r1, renum_wait1 ; wait about n*(256^2) 6MHz clocks
+ mov a, #0x06 ; DISCON=0, DISCOE=1, RENUM=1
+ movx @dptr, a
+ ;; we are back online. the host device will now re-query us
+
+
+main: sjmp main
+
+
+
+ISR_Sudav:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ mov a,EXIF
+ clr acc.4
+ mov EXIF,a ; clear INT2 first
+ mov dptr, USBIRQ ; clear USB int
+ mov a,#01h
+ movx @dptr,a
+
+ ;; get request type
+ mov dptr, SETUPDAT
+ movx a, @dptr
+ mov r1, a ; r1 = bmRequestType
+ inc dptr
+ movx a, @dptr
+ mov r2, a ; r2 = bRequest
+ inc dptr
+ movx a, @dptr
+ mov r3, a ; r3 = wValueL
+ inc dptr
+ movx a, @dptr
+ mov r4, a ; r4 = wValueH
+
+ ;; main switch on bmRequest.type: standard or vendor
+ mov a, r1
+ anl a, #0x60
+ cjne a, #0x00, setup_bmreq_type_not_standard
+ ;; standard request: now main switch is on bRequest
+ ljmp setup_bmreq_is_standard
+
+setup_bmreq_type_not_standard:
+ ;; a still has bmreq&0x60
+ cjne a, #0x40, setup_bmreq_type_not_vendor
+ ;; Anchor reserves bRequest 0xa0-0xaf, we use small ones
+ ;; switch on bRequest. bmRequest will always be 0x41 or 0xc1
+ cjne r2, #0x00, setup_ctrl_not_00
+ ;; 00 is set baud, wValue[0] has baud rate index
+ lcall set_baud ; index in r3, carry set if error
+ jc setup_bmreq_type_not_standard__do_stall
+ ljmp setup_done_ack
+setup_bmreq_type_not_standard__do_stall:
+ ljmp setup_stall
+setup_ctrl_not_00:
+ cjne r2, #0x01, setup_ctrl_not_01
+ ;; 01 is reserved for set bits (parity). TODO
+ ljmp setup_stall
+setup_ctrl_not_01:
+ cjne r2, #0x02, setup_ctrl_not_02
+ ;; 02 is set HW flow control. TODO
+ ljmp setup_stall
+setup_ctrl_not_02:
+ cjne r2, #0x03, setup_ctrl_not_03
+ ;; 03 is control pins (RTS, DTR).
+ ljmp control_pins ; will jump to setup_done_ack,
+ ; or setup_return_one_byte
+setup_ctrl_not_03:
+ cjne r2, #0x04, setup_ctrl_not_04
+ ;; 04 is send break (really "turn break on/off"). TODO
+ cjne r3, #0x00, setup_ctrl_do_break_on
+ ;; do break off: restore PORTCCFG.1 to reconnect TxD0 to serial port
+ mov dptr, PORTCCFG
+ movx a, @dptr
+ orl a, #0x02
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_ctrl_do_break_on:
+ ;; do break on: clear PORTCCFG.0, set TxD high(?) (b1 low)
+ mov dptr, OUTC
+ movx a, @dptr
+ anl a, #0xfd ; ~0x02
+ movx @dptr, a
+ mov dptr, PORTCCFG
+ movx a, @dptr
+ anl a, #0xfd ; ~0x02
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_ctrl_not_04:
+ cjne r2, #0x05, setup_ctrl_not_05
+ ;; 05 is set desired interrupt bitmap. TODO
+ ljmp setup_stall
+setup_ctrl_not_05:
+ cjne r2, #0x06, setup_ctrl_not_06
+ ;; 06 is query room
+ cjne r3, #0x00, setup_ctrl_06_not_00
+ ;; 06, wValue[0]=0 is query write_room
+ mov a, tx_ring_out
+ setb c
+ subb a, tx_ring_in ; out-1-in = 255 - (in-out)
+ ljmp setup_return_one_byte
+setup_ctrl_06_not_00:
+ cjne r3, #0x01, setup_ctrl_06_not_01
+ ;; 06, wValue[0]=1 is query chars_in_buffer
+ mov a, tx_ring_in
+ clr c
+ subb a, tx_ring_out ; in-out
+ ljmp setup_return_one_byte
+setup_ctrl_06_not_01:
+ ljmp setup_stall
+setup_ctrl_not_06:
+ cjne r2, #0x07, setup_ctrl_not_07
+ ;; 07 is request tx unthrottle interrupt
+ mov tx_unthrottle_threshold, r3; wValue[0] is threshold value
+ ljmp setup_done_ack
+setup_ctrl_not_07:
+ ljmp setup_stall
+
+setup_bmreq_type_not_vendor:
+ ljmp setup_stall
+
+
+setup_bmreq_is_standard:
+ cjne r2, #0x00, setup_breq_not_00
+ ;; 00: Get_Status (sub-switch on bmRequestType: device, ep, int)
+ cjne r1, #0x80, setup_Get_Status_not_device
+ ;; Get_Status(device)
+ ;; are we self-powered? no. can we do remote wakeup? no
+ ;; so return two zero bytes. This is reusable
+setup_return_two_zero_bytes:
+ mov dptr, IN0BUF
+ clr a
+ movx @dptr, a
+ inc dptr
+ movx @dptr, a
+ mov dptr, IN0BC
+ mov a, #2
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_Get_Status_not_device:
+ cjne r1, #0x82, setup_Get_Status_not_endpoint
+ ;; Get_Status(endpoint)
+ ;; must get stall bit for ep[wIndexL], return two bytes, bit in lsb 0
+ ;; for now: cheat. TODO
+ sjmp setup_return_two_zero_bytes
+setup_Get_Status_not_endpoint:
+ cjne r1, #0x81, setup_Get_Status_not_interface
+ ;; Get_Status(interface): return two zeros
+ sjmp setup_return_two_zero_bytes
+setup_Get_Status_not_interface:
+ ljmp setup_stall
+
+setup_breq_not_00:
+ cjne r2, #0x01, setup_breq_not_01
+ ;; 01: Clear_Feature (sub-switch on wValueL: stall, remote wakeup)
+ cjne r3, #0x00, setup_Clear_Feature_not_stall
+ ;; Clear_Feature(stall). should clear a stall bit. TODO
+ ljmp setup_stall
+setup_Clear_Feature_not_stall:
+ cjne r3, #0x01, setup_Clear_Feature_not_rwake
+ ;; Clear_Feature(remote wakeup). ignored.
+ ljmp setup_done_ack
+setup_Clear_Feature_not_rwake:
+ ljmp setup_stall
+
+setup_breq_not_01:
+ cjne r2, #0x03, setup_breq_not_03
+ ;; 03: Set_Feature (sub-switch on wValueL: stall, remote wakeup)
+ cjne r3, #0x00, setup_Set_Feature_not_stall
+ ;; Set_Feature(stall). Should set a stall bit. TODO
+ ljmp setup_stall
+setup_Set_Feature_not_stall:
+ cjne r3, #0x01, setup_Set_Feature_not_rwake
+ ;; Set_Feature(remote wakeup). ignored.
+ ljmp setup_done_ack
+setup_Set_Feature_not_rwake:
+ ljmp setup_stall
+
+setup_breq_not_03:
+ cjne r2, #0x06, setup_breq_not_06
+ ;; 06: Get_Descriptor (s-switch on wValueH: dev, config[n], string[n])
+ cjne r4, #0x01, setup_Get_Descriptor_not_device
+ ;; Get_Descriptor(device)
+ mov dptr, SUDPTRH
+ mov a, #HIGH(desc_device)
+ movx @dptr, a
+ mov dptr, SUDPTRL
+ mov a, #LOW(desc_device)
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_Get_Descriptor_not_device:
+ cjne r4, #0x02, setup_Get_Descriptor_not_config
+ ;; Get_Descriptor(config[n])
+ cjne r3, #0x00, setup_stall; only handle n==0
+ ;; Get_Descriptor(config[0])
+ mov dptr, SUDPTRH
+ mov a, #HIGH(desc_config1)
+ movx @dptr, a
+ mov dptr, SUDPTRL
+ mov a, #LOW(desc_config1)
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_Get_Descriptor_not_config:
+ cjne r4, #0x03, setup_Get_Descriptor_not_string
+ ;; Get_Descriptor(string[wValueL])
+ ;; if (wValueL >= maxstrings) stall
+ mov a, #((desc_strings_end-desc_strings)/2)
+ clr c
+ subb a,r3 ; a=4, r3 = 0..3 . if a<=0 then stall
+ jc setup_stall
+ jz setup_stall
+ mov a, r3
+ add a, r3 ; a = 2*wValueL
+ mov dptr, #desc_strings
+ add a, dpl
+ mov dpl, a
+ mov a, #0
+ addc a, dph
+ mov dph, a ; dph = desc_strings[a]. big endian! (handy)
+ ;; it looks like my adapter uses a revision of the EZUSB that
+ ;; contains "rev D errata number 8", as hinted in the EzUSB example
+ ;; code. I cannot find an actual errata description on the Cypress
+ ;; web site, but from the example code it looks like this bug causes
+ ;; the length of string descriptors to be read incorrectly, possibly
+ ;; sending back more characters than the descriptor has. The workaround
+ ;; is to manually send out all of the data. The consequence of not
+ ;; using the workaround is that the strings gathered by the kernel
+ ;; driver are too long and are filled with trailing garbage (including
+ ;; leftover strings). Writing this out by hand is a nuisance, so for
+ ;; now I will just live with the bug.
+ movx a, @dptr
+ mov r1, a
+ inc dptr
+ movx a, @dptr
+ mov r2, a
+ mov dptr, SUDPTRH
+ mov a, r1
+ movx @dptr, a
+ mov dptr, SUDPTRL
+ mov a, r2
+ movx @dptr, a
+ ;; done
+ ljmp setup_done_ack
+
+setup_Get_Descriptor_not_string:
+ ljmp setup_stall
+
+setup_breq_not_06:
+ cjne r2, #0x08, setup_breq_not_08
+ ;; Get_Configuration. always 1. return one byte.
+ ;; this is reusable
+ mov a, #1
+setup_return_one_byte:
+ mov dptr, IN0BUF
+ movx @dptr, a
+ mov a, #1
+ mov dptr, IN0BC
+ movx @dptr, a
+ ljmp setup_done_ack
+setup_breq_not_08:
+ cjne r2, #0x09, setup_breq_not_09
+ ;; 09: Set_Configuration. ignored.
+ ljmp setup_done_ack
+setup_breq_not_09:
+ cjne r2, #0x0a, setup_breq_not_0a
+ ;; 0a: Get_Interface. get the current altsetting for int[wIndexL]
+ ;; since we only have one interface, ignore wIndexL, return a 0
+ mov a, #0
+ ljmp setup_return_one_byte
+setup_breq_not_0a:
+ cjne r2, #0x0b, setup_breq_not_0b
+ ;; 0b: Set_Interface. set altsetting for interface[wIndexL]. ignored
+ ljmp setup_done_ack
+setup_breq_not_0b:
+ ljmp setup_stall
+
+
+setup_done_ack:
+ ;; now clear HSNAK
+ mov dptr, EP0CS
+ mov a, #0x02
+ movx @dptr, a
+ sjmp setup_done
+setup_stall:
+ ;; unhandled. STALL
+ ;EP0CS |= bmEPSTALL
+ mov dptr, EP0CS
+ movx a, @dptr
+ orl a, EP0STALLbit
+ movx @dptr, a
+ sjmp setup_done
+
+setup_done:
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+;;; ==============================================================
+
+set_baud: ; baud index in r3
+ ;; verify a < 10
+ mov a, r3
+ jb ACC.7, set_baud__badbaud
+ clr c
+ subb a, #10
+ jnc set_baud__badbaud
+ mov a, r3
+ rl a ; a = index*2
+ add a, #LOW(baud_table)
+ mov dpl, a
+ mov a, #HIGH(baud_table)
+ addc a, #0
+ mov dph, a
+ ;; TODO: shut down xmit/receive
+ ;; TODO: wait for current xmit char to leave
+ ;; TODO: shut down timer to avoid partial-char glitch
+ movx a,@dptr ; BAUD_HIGH
+ mov RCAP2H, a
+ mov TH2, a
+ inc dptr
+ movx a,@dptr ; BAUD_LOW
+ mov RCAP2L, a
+ mov TL2, a
+ ;; TODO: restart xmit/receive
+ ;; TODO: reenable interrupts, resume tx if pending
+ clr c ; c=0: success
+ ret
+set_baud__badbaud:
+ setb c ; c=1: failure
+ ret
+
+;;; ==================================================
+control_pins:
+ cjne r1, #0x41, control_pins_in
+control_pins_out:
+ ;TODO BKPT is DTR
+ mov a, r3 ; wValue[0] holds new bits: b7 is new RTS
+ xrl a, #0xff ; 1 means active, 0V, +12V ?
+ anl a, #0x80
+ mov r3, a
+ mov dptr, OUTC
+ movx a, @dptr ; only change bit 7
+ anl a, #0x7F ; ~0x84
+ orl a, r3
+ movx @dptr, a ; other pins are inputs, bits ignored
+ ljmp setup_done_ack
+control_pins_in:
+ mov dptr, PINSC
+ movx a, @dptr
+ xrl a, #0xff
+ ljmp setup_return_one_byte
+
+;;; ========================================
+
+ISR_Ep2in:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ mov a,EXIF
+ clr acc.4
+ mov EXIF,a ; clear INT2 first
+ mov dptr, IN07IRQ ; clear USB int
+ mov a,#04h
+ movx @dptr,a
+
+ mov a, #0x20 ; Turn off the green LED
+ mov dptr,OEA
+ movx @dptr, a
+
+
+ ;; do stuff
+ lcall start_in
+
+ mov a, #0x20 ; Turn off the green LED
+ mov dptr,OEA
+ movx @dptr, a
+
+
+
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+ISR_Ep2out:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+
+ mov a, #0x10 ; Turn the green LED
+ mov dptr,OEA
+ movx @dptr, a
+
+
+
+ mov a,EXIF
+ clr acc.4
+ mov EXIF,a ; clear INT2 first
+ mov dptr, OUT07IRQ ; clear USB int
+ mov a,#04h
+ movx @dptr,a
+
+ ;; do stuff
+
+ ;; copy data into buffer. for now, assume we will have enough space
+ mov dptr, OUT2BC ; get byte count
+ movx a,@dptr
+ mov r1, a
+ clr a
+ mov dps, a
+ mov dptr, OUT2BUF ; load DPTR0 with source
+ mov dph1, #HIGH(tx_ring) ; load DPTR1 with target
+ mov dpl1, tx_ring_in
+OUT_loop:
+ movx a,@dptr ; read
+ inc dps ; switch to DPTR1: target
+ inc dpl1 ; target = tx_ring_in+1
+ movx @dptr,a ; store
+ mov a,dpl1
+ cjne a, tx_ring_out, OUT_no_overflow
+ sjmp OUT_overflow
+OUT_no_overflow:
+ inc tx_ring_in ; tx_ring_in++
+ inc dps ; switch to DPTR0: source
+ inc dptr
+ djnz r1, OUT_loop
+ sjmp OUT_done
+OUT_overflow:
+ ;; signal overflow
+ ;; fall through
+OUT_done:
+ ;; ack
+ mov dptr,OUT2BC
+ movx @dptr,a
+
+ ;; start tx
+ acall maybe_start_tx
+ ;acall dump_stat
+
+ mov a, #0x20 ; Turn off the green LED
+ mov dptr,OEA
+ movx @dptr, a
+
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+dump_stat:
+ ;; fill in EP4in with a debugging message:
+ ;; tx_ring_in, tx_ring_out, rx_ring_in, rx_ring_out
+ ;; tx_active
+ ;; tx_ring[0..15]
+ ;; 0xfc
+ ;; rx_ring[0..15]
+ clr a
+ mov dps, a
+
+ mov dptr, IN4CS
+ movx a, @dptr
+ jb acc.1, dump_stat__done; busy: cannot dump, old one still pending
+ mov dptr, IN4BUF
+
+ mov a, tx_ring_in
+ movx @dptr, a
+ inc dptr
+ mov a, tx_ring_out
+ movx @dptr, a
+ inc dptr
+
+ mov a, rx_ring_in
+ movx @dptr, a
+ inc dptr
+ mov a, rx_ring_out
+ movx @dptr, a
+ inc dptr
+
+ clr a
+ jnb TX_RUNNING, dump_stat__no_tx_running
+ inc a
+dump_stat__no_tx_running:
+ movx @dptr, a
+ inc dptr
+ ;; tx_ring[0..15]
+ inc dps
+ mov dptr, #tx_ring ; DPTR1: source
+ mov r1, #16
+dump_stat__tx_ring_loop:
+ movx a, @dptr
+ inc dptr
+ inc dps
+ movx @dptr, a
+ inc dptr
+ inc dps
+ djnz r1, dump_stat__tx_ring_loop
+ inc dps
+
+ mov a, #0xfc
+ movx @dptr, a
+ inc dptr
+
+ ;; rx_ring[0..15]
+ inc dps
+ mov dptr, #rx_ring ; DPTR1: source
+ mov r1, #16
+dump_stat__rx_ring_loop:
+ movx a, @dptr
+ inc dptr
+ inc dps
+ movx @dptr, a
+ inc dptr
+ inc dps
+ djnz r1, dump_stat__rx_ring_loop
+
+ ;; now send it
+ clr a
+ mov dps, a
+ mov dptr, IN4BC
+ mov a, #38
+ movx @dptr, a
+dump_stat__done:
+ ret
+
+;;; ============================================================
+
+maybe_start_tx:
+ ;; make sure the tx process is running.
+ jb TX_RUNNING, start_tx_done
+start_tx:
+ ;; is there work to be done?
+ mov a, tx_ring_in
+ cjne a,tx_ring_out, start_tx__work
+ ret ; no work
+start_tx__work:
+ ;; tx was not running. send the first character, setup the TI int
+ inc tx_ring_out ; [++tx_ring_out]
+ mov dph, #HIGH(tx_ring)
+ mov dpl, tx_ring_out
+ movx a, @dptr
+ mov sbuf, a
+ setb TX_RUNNING
+start_tx_done:
+ ;; can we unthrottle the host tx process?
+ ;; step 1: do we care?
+ mov a, #0
+ cjne a, tx_unthrottle_threshold, start_tx__maybe_unthrottle_tx
+ ;; nope
+start_tx_really_done:
+ ret
+start_tx__maybe_unthrottle_tx:
+ ;; step 2: is there now room?
+ mov a, tx_ring_out
+ setb c
+ subb a, tx_ring_in
+ ;; a is now write_room. If thresh >= a, we can unthrottle
+ clr c
+ subb a, tx_unthrottle_threshold
+ jc start_tx_really_done ; nope
+ ;; yes, we can unthrottle. remove the threshold and mark a request
+ mov tx_unthrottle_threshold, #0
+ setb DO_TX_UNTHROTTLE
+ ;; prod rx, which will actually send the message when in2 becomes free
+ ljmp start_in
+
+
+serial_int:
+ push dps
+ push dpl
+ push dph
+ push dpl1
+ push dph1
+ push acc
+ jnb TI, serial_int__not_tx
+ ;; tx finished. send another character if we have one
+ clr TI ; clear int
+ clr TX_RUNNING
+ lcall start_tx
+serial_int__not_tx:
+ jnb RI, serial_int__not_rx
+ lcall get_rx_char
+ clr RI ; clear int
+serial_int__not_rx:
+ ;; return
+ pop acc
+ pop dph1
+ pop dpl1
+ pop dph
+ pop dpl
+ pop dps
+ reti
+
+get_rx_char:
+ mov dph, #HIGH(rx_ring)
+ mov dpl, rx_ring_in
+ inc dpl ; target = rx_ring_in+1
+ mov a, sbuf
+ movx @dptr, a
+ ;; check for overflow before incrementing rx_ring_in
+ mov a, dpl
+ cjne a, rx_ring_out, get_rx_char__no_overflow
+ ;; signal overflow
+ ret
+get_rx_char__no_overflow:
+ inc rx_ring_in
+ ;; kick off USB INpipe
+ acall start_in
+ ret
+
+start_in:
+ ;; check if the inpipe is already running.
+ mov a,#0x10
+ mov dptr, OEA
+ movx @dptr,a
+
+ mov dptr, IN2CS
+ movx a, @dptr
+ jb acc.1, start_in__done; int will handle it
+ jb DO_TX_UNTHROTTLE, start_in__do_tx_unthrottle
+ ;; see if there is any work to do. a serial interrupt might occur
+ ;; during this sequence?
+ mov a, rx_ring_in
+ cjne a, rx_ring_out, start_in__have_work
+ ret ; nope
+start_in__have_work:
+ ;; now copy as much data as possible into the pipe. 63 bytes max.
+ clr a
+ mov dps, a
+ mov dph, #HIGH(rx_ring) ; load DPTR0 with source
+ inc dps
+ mov dptr, IN2BUF ; load DPTR1 with target
+ movx @dptr, a ; in[0] signals that rest of IN is rx data
+ inc dptr
+ inc dps
+ ;; loop until we run out of data, or we have copied 64 bytes
+ mov r1, #1 ; INbuf size counter
+start_in__loop:
+ mov a, rx_ring_in
+ cjne a, rx_ring_out, start_inlocal_irq_enablell_copying
+ sjmp start_in__kick
+start_inlocal_irq_enablell_copying:
+ inc rx_ring_out
+ mov dpl, rx_ring_out
+ movx a, @dptr
+ inc dps
+ movx @dptr, a ; write into IN buffer
+ inc dptr
+ inc dps
+ inc r1
+ cjne r1, #64, start_in__loop; loop
+start_in__kick:
+ ;; either we ran out of data, or we copied 64 bytes. r1 has byte count
+ ;; kick off IN
+ mov a, #0x10 ; Turn the green LED
+ mov dptr,OEA
+ movx @dptr, a
+ mov dptr, IN2BC
+ mov a, r1
+ jz start_in__done
+ movx @dptr, a
+ ;; done
+start_in__done:
+ ;acall dump_stat
+ ret
+start_in__do_tx_unthrottle:
+ ;; special sequence: send a tx unthrottle message
+ clr DO_TX_UNTHROTTLE
+ clr a
+ mov dps, a
+ mov dptr, IN2BUF
+ mov a, #1
+ movx @dptr, a
+ inc dptr
+ mov a, #2
+ movx @dptr, a
+ mov dptr, IN2BC
+ movx @dptr, a
+ ret
+
+putchar:
+ clr TI
+ mov SBUF, a
+putchar_wait:
+ jnb TI, putchar_wait
+ clr TI
+ ret
+
+
+baud_table: ; baud_high, then baud_low
+ ;; baud[0]: 110
+ .byte BAUD_HIGH(110)
+ .byte BAUD_LOW(110)
+ ;; baud[1]: 300
+ .byte BAUD_HIGH(300)
+ .byte BAUD_LOW(300)
+ ;; baud[2]: 1200
+ .byte BAUD_HIGH(1200)
+ .byte BAUD_LOW(1200)
+ ;; baud[3]: 2400
+ .byte BAUD_HIGH(2400)
+ .byte BAUD_LOW(2400)
+ ;; baud[4]: 4800
+ .byte BAUD_HIGH(4800)
+ .byte BAUD_LOW(4800)
+ ;; baud[5]: 9600
+ .byte BAUD_HIGH(9600)
+ .byte BAUD_LOW(9600)
+ ;; baud[6]: 19200
+ .byte BAUD_HIGH(19200)
+ .byte BAUD_LOW(19200)
+ ;; baud[7]: 38400
+ .byte BAUD_HIGH(38400)
+ .byte BAUD_LOW(38400)
+ ;; baud[8]: 57600
+ .byte BAUD_HIGH(57600)
+ .byte BAUD_LOW(57600)
+ ;; baud[9]: 115200
+ .byte BAUD_HIGH(115200)
+ .byte BAUD_LOW(115200)
+
+desc_device:
+ .byte 0x12, 0x01, 0x00, 0x01, 0xff, 0xff, 0xff, 0x40
+ .byte 0xcd, 0x06, 0x04, 0x01, 0x89, 0xab, 1, 2, 3, 0x01
+;;; The "real" device id, which must match the host driver, is that
+;;; "0xcd 0x06 0x04 0x01" sequence, which is 0x06cd, 0x0104
+
+desc_config1:
+ .byte 0x09, 0x02, 0x20, 0x00, 0x01, 0x01, 0x00, 0x80, 0x32
+ .byte 0x09, 0x04, 0x00, 0x00, 0x02, 0xff, 0xff, 0xff, 0x00
+ .byte 0x07, 0x05, 0x82, 0x03, 0x40, 0x00, 0x01
+ .byte 0x07, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00
+
+desc_strings:
+ .word string_langids, string_mfg, string_product, string_serial
+desc_strings_end:
+
+string_langids: .byte string_langids_end-string_langids
+ .byte 3
+ .word 0
+string_langids_end:
+
+ ;; sigh. These strings are Unicode, meaning UTF16? 2 bytes each. Now
+ ;; *that* is a pain in the ass to encode. And they are little-endian
+ ;; too. Use this perl snippet to get the bytecodes:
+ /* while (<>) {
+ @c = split(//);
+ foreach $c (@c) {
+ printf("0x%02x, 0x00, ", ord($c));
+ }
+ }
+ */
+
+string_mfg: .byte string_mfg_end-string_mfg
+ .byte 3
+; .byte "ACME usb widgets"
+ .byte 0x41, 0x00, 0x43, 0x00, 0x4d, 0x00, 0x45, 0x00, 0x20, 0x00, 0x75, 0x00, 0x73, 0x00, 0x62, 0x00, 0x20, 0x00, 0x77, 0x00, 0x69, 0x00, 0x64, 0x00, 0x67, 0x00, 0x65, 0x00, 0x74, 0x00, 0x73, 0x00
+string_mfg_end:
+
+string_product: .byte string_product_end-string_product
+ .byte 3
+; .byte "ACME USB serial widget"
+ .byte 0x41, 0x00, 0x43, 0x00, 0x4d, 0x00, 0x45, 0x00, 0x20, 0x00, 0x55, 0x00, 0x53, 0x00, 0x42, 0x00, 0x20, 0x00, 0x73, 0x00, 0x65, 0x00, 0x72, 0x00, 0x69, 0x00, 0x61, 0x00, 0x6c, 0x00, 0x20, 0x00, 0x77, 0x00, 0x69, 0x00, 0x64, 0x00, 0x67, 0x00, 0x65, 0x00, 0x74, 0x00
+string_product_end:
+
+string_serial: .byte string_serial_end-string_serial
+ .byte 3
+; .byte "47"
+ .byte 0x34, 0x00, 0x37, 0x00
+string_serial_end:
+
+;;; ring buffer memory
+ ;; tx_ring_in+1 is where the next input byte will go
+ ;; [tx_ring_out] has been sent
+ ;; if tx_ring_in == tx_ring_out, theres no work to do
+ ;; there are (tx_ring_in - tx_ring_out) chars to be written
+ ;; dont let _in lap _out
+ ;; cannot inc if tx_ring_in+1 == tx_ring_out
+ ;; write [tx_ring_in+1] then tx_ring_in++
+ ;; if (tx_ring_in+1 == tx_ring_out), overflow
+ ;; else tx_ring_in++
+ ;; read/send [tx_ring_out+1], then tx_ring_out++
+
+ ;; rx_ring_in works the same way
+
+ .org 0x1000
+tx_ring:
+ .skip 0x100 ; 256 bytes
+rx_ring:
+ .skip 0x100 ; 256 bytes
+
+
+ .END
+
diff --git a/firmware/whiteheat.HEX b/firmware/whiteheat.HEX
new file mode 100644
index 000000000..ae3bb909b
--- /dev/null
+++ b/firmware/whiteheat.HEX
@@ -0,0 +1,45 @@
+:/*(DEBLOBBED)*/
+/*****************************************************************************
+ *
+ * whiteheat.h -- ConnectTech WhiteHEAT Firmware.
+ *
+ * Copyright (C) 2000-2002 ConnectTech Inc (http://www.connecttech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * (10/09/2002) Stuart MacDonald
+ * Firmware 4.06
+ *
+ * (04/09/2000) gkh
+ * Updated the firmware with the latest provided by ConnectTech.
+ *
+ * (01/16/2000) gkh
+ * Fixed my intel hex processing tool, so now the firmware actually
+ * matches the original file (this was causing a few problems...)
+ *
+ * (01/15/2000) gkh
+ * Added debug loader firmware if DEBUG is #defined:
+ * Port 1 LED flashes when the vend_ax program is running
+ * Port 2 LED flashes when any SETUP command arrives
+ * Port 3 LED flashes when any valid VENDOR request occurs
+ * Port 4 LED flashes when the EXTERNAL RAM DOWNLOAD request occurs
+ *
+ * version 1.0 (01/09/2000) gkh
+ * Original firmware from ConnectTech massaged a little to be program
+ * readable.
+ *
+ *****************************************************************************/
+
+#define whiteheat_DATE "20000106"
diff --git a/firmware/whiteheat_loader.HEX b/firmware/whiteheat_loader.HEX
new file mode 100644
index 000000000..ae3bb909b
--- /dev/null
+++ b/firmware/whiteheat_loader.HEX
@@ -0,0 +1,45 @@
+:/*(DEBLOBBED)*/
+/*****************************************************************************
+ *
+ * whiteheat.h -- ConnectTech WhiteHEAT Firmware.
+ *
+ * Copyright (C) 2000-2002 ConnectTech Inc (http://www.connecttech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * (10/09/2002) Stuart MacDonald
+ * Firmware 4.06
+ *
+ * (04/09/2000) gkh
+ * Updated the firmware with the latest provided by ConnectTech.
+ *
+ * (01/16/2000) gkh
+ * Fixed my intel hex processing tool, so now the firmware actually
+ * matches the original file (this was causing a few problems...)
+ *
+ * (01/15/2000) gkh
+ * Added debug loader firmware if DEBUG is #defined:
+ * Port 1 LED flashes when the vend_ax program is running
+ * Port 2 LED flashes when any SETUP command arrives
+ * Port 3 LED flashes when any valid VENDOR request occurs
+ * Port 4 LED flashes when the EXTERNAL RAM DOWNLOAD request occurs
+ *
+ * version 1.0 (01/09/2000) gkh
+ * Original firmware from ConnectTech massaged a little to be program
+ * readable.
+ *
+ *****************************************************************************/
+
+#define whiteheat_DATE "20000106"
diff --git a/firmware/whiteheat_loader_debug.HEX b/firmware/whiteheat_loader_debug.HEX
new file mode 100644
index 000000000..ae3bb909b
--- /dev/null
+++ b/firmware/whiteheat_loader_debug.HEX
@@ -0,0 +1,45 @@
+:/*(DEBLOBBED)*/
+/*****************************************************************************
+ *
+ * whiteheat.h -- ConnectTech WhiteHEAT Firmware.
+ *
+ * Copyright (C) 2000-2002 ConnectTech Inc (http://www.connecttech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * (10/09/2002) Stuart MacDonald
+ * Firmware 4.06
+ *
+ * (04/09/2000) gkh
+ * Updated the firmware with the latest provided by ConnectTech.
+ *
+ * (01/16/2000) gkh
+ * Fixed my intel hex processing tool, so now the firmware actually
+ * matches the original file (this was causing a few problems...)
+ *
+ * (01/15/2000) gkh
+ * Added debug loader firmware if DEBUG is #defined:
+ * Port 1 LED flashes when the vend_ax program is running
+ * Port 2 LED flashes when any SETUP command arrives
+ * Port 3 LED flashes when any valid VENDOR request occurs
+ * Port 4 LED flashes when the EXTERNAL RAM DOWNLOAD request occurs
+ *
+ * version 1.0 (01/09/2000) gkh
+ * Original firmware from ConnectTech massaged a little to be program
+ * readable.
+ *
+ *****************************************************************************/
+
+#define whiteheat_DATE "20000106"
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-21 21:05:51 +0000