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mirror of git://projects.qi-hardware.com/iris.git synced 2025-04-21 12:27:27 +03:00

start wrapper; proper serial port baudrate

This commit is contained in:
Bas Wijnen
2010-08-05 22:19:58 +02:00
parent a2add9a1d6
commit 7659673f33
11 changed files with 250 additions and 78 deletions

View File

@@ -15,15 +15,17 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
start_load = 0xa0600000
load = 0x80000000
#UDC_BOOT = set
#UDC_BOOT = comment this out for nand boot
ARCH_CPPFLAGS = -I. -Imips -Imips/nanonote -Wa,-mips32 -DNANONOTE -DUSE_SERIAL
CROSS = mipsel-linux-gnu-
OBJDUMP = $(CROSS)objdump
junk = mdebug.abi32 reginfo comment pdr
OBJCOPYFLAGS = $(addprefix --remove-section=.,$(junk))
LDFLAGS = --omagic -Ttext $(load)
iris.elf: LDFLAGS = --omagic -Ttext $(load)
mips/start.elf: LDFLAGS = --omagic -Ttext $(start_load)
arch_iris_sources = mips/interrupts.cc mips/arch.cc
boot_sources = mips/init.cc mips/nanonote/board.cc
@@ -44,13 +46,16 @@ boot_threads = $(standard_boot_programs) $(sd_boot_programs)
threadlist = mips/nanonote/threadlist-sd
ARCH_CXXFLAGS = -DNUM_THREADS=4
all: iris-sd.tar
iris-sd.tar: $(addprefix fs/,$(addsuffix .elf,$(programs))) iris.raw fs/init.config
mkimage -A mips -T kernel -a $(load) -e a$(shell /bin/sh -c '$(OBJDUMP) -t iris.elf | grep __start$$ | cut -b2-8') -n Iris -d iris.raw fs/uimage | sed -e 's/:/;/g'
iris-sd.tar: $(addprefix fs/,$(addsuffix .elf,$(programs))) mips/start.raw.gz fs/init.config
mkimage -A mips -T kernel -a $(start_load) -e a$(shell /bin/sh -c '$(OBJDUMP) -t mips/start.elf | grep __start$$ | cut -b2-8') -n Iris -d mips/start.raw.gz fs/uimage | sed -e 's/:/;/g'
cd fs && tar cvf ../$@ uimage init.config $(addsuffix .elf,$(programs)) --dereference
endif
test: iris.raw mips/nanonote/server/usb-server mips/nanonote/sdram-setup.raw $(addsuffix .elf,$(addprefix fs/,$(programs))) fs/init.config
echo "reboot 0xa$(shell /bin/sh -c '$(OBJDUMP) -t iris.elf | grep __start$$ | cut -b2-8')" | nc localhost 5050
mips/start.o:mips/start.S Makefile Makefile.arch iris.raw
$(CC) $(CPPFLAGS) -DSTART=0xa$(shell /bin/sh -c '$(OBJDUMP) -t iris.elf | grep __start$$ | cut -b2-8') -c $< -o $@
test: mips/start.raw mips/start.elf mips/nanonote/server/usb-server mips/nanonote/sdram-setup.raw $(addsuffix .elf,$(addprefix fs/,$(programs))) fs/init.config
echo "reboot $(start_load) 0xa$(shell /bin/sh -c '$(OBJDUMP) -t mips/start.elf | grep __start$$ | cut -b2-8') $<" | nc localhost 5050
mips/nanonote/server/usb-server: mips/nanonote/server/usb-server.ccp mips/nanonote/server/Makefile.am mips/nanonote/server/configure.ac devices.hh
$(MAKE) -C mips/nanonote/server
@@ -63,6 +68,9 @@ mips/nanonote/server/usb-server: mips/nanonote/server/usb-server.ccp mips/nanono
%.raw: %.elf
$(OBJCOPY) -S $(OBJCOPYFLAGS) -Obinary $< $@
%.raw.gz: %.raw
gzip < $< > $@
nanonote-boot: mips/nanonote/nanonote-boot.cc mips/nanonote/sdram-setup.raw
g++ `pkg-config --cflags --libs shevek` $< -o $@ -D'STAGE1="$<"' -lusb
@@ -84,12 +92,15 @@ source/charset.data: source/charset
$< > $@
%.o:%.S Makefile Makefile.arch mips/arch.hh
$(CC) $(CPPFLAGS) $(TARGET_FLAGS) -DKERNEL_STACK_SIZE=0x2000 -c $< -o $@
$(CC) $(CPPFLAGS) $(TARGET_FLAGS) -DKERNEL_STACK_SIZE=0x1000 -c $< -o $@
# entry.o must be the first file. threadlist.o must be the first of the init objects (which can be freed after loading).
iris.elf: mips/entry.o $(subst .cc,.o,$(iris_sources)) $(threadlist).o mips/boot.o $(subst .cc,.o,$(boot_sources))
$(LD) $(LDFLAGS) $^ -o $@
mips/start.elf: mips/start.o
$(LD) $(LDFLAGS) $^ -o $@
server:
while mips/nanonote/server/usb-server ; do : ; done
@@ -100,7 +111,7 @@ setup:
x-terminal-emulator -e make debug &
x-terminal-emulator -e make servers &
ARCH_CLEAN_FILES = $(boot_sources) $(addsuffix .elf,$(boot_threads)) $(arch_headers) devices.hh keys.hh mips/*.o mips/nanonote/*.o source/charset.data iris.elf iris.raw mips/nanonote/sdram-setup.elf mips/nanonote/sdram-setup.raw
ARCH_CLEAN_FILES = $(boot_sources) $(addsuffix .elf,$(boot_threads)) $(arch_headers) devices.hh keys.hh mips/*.o mips/nanonote/*.o source/charset.data iris.elf iris.raw mips/nanonote/sdram-setup.elf mips/nanonote/sdram-setup.raw mips/start.elf mips/start.raw
.PRECIOUS: mips/arch.hh mips/nanonote/jz4740.hh mips/nanonote/board.hh
.PHONY: test all monitor server servers setup

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@@ -71,12 +71,13 @@ void board_init ():
UART0_FCR = 0
UART0_MCR = 0
UART0_SIRCR = 0
UART0_UMR = 0
UART0_UACR = 0
UART0_UMR = 1
UART0_LCR = UARTLCR_WLEN_8 | UARTLCR_STOP1 | UARTLCR_DLAB
unsigned uart_div = 3000000 / 16 / 9600
UART0_DLHR = uart_div >> 8
UART0_DLLR = uart_div
unsigned const baud = 57600
unsigned uart_div = 12000000 / baud
UART0_DLHR = (uart_div >> 8) & 0xff
UART0_DLLR = uart_div & 0xff
UART0_LCR = UARTLCR_WLEN_8 | UARTLCR_STOP1
UART0_FCR = UARTFCR_UUE | UARTFCR_FE | UARTFCR_RFLS | UARTFCR_TFLS
kdebug ("\n\nSerial port initialized\n")

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@@ -2346,10 +2346,10 @@ static void gpio_disable_pull (unsigned p, unsigned pins):
//**************************************************************************
static void pll_init ():
// The cpu clock frequency
unsigned const cpu_clock = 336000000
//unsigned const cpu_clock = 200000000
//unsigned const pixclock = 13500000
unsigned const pixclock = 25846153
//unsigned const cpu_clock = 336000000
//unsigned const pixclock = 25846153
unsigned const cpu_clock = 200000000
unsigned const pixclock = 13500000
// Configure the pll frequency to cpu_clock.
CPM_CPPCR = ((cpu_clock * 2 / JZ_EXTAL - 2) << CPM_CPPCR_PLLM_BIT) | (0 << CPM_CPPCR_PLLN_BIT) | (0 << CPM_CPPCR_PLLOD_BIT) | (0x20 << CPM_CPPCR_PLLST_BIT) | CPM_CPPCR_PLLEN
// Set up dividers; see documentation for the meaning of all the values.

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@@ -20,7 +20,7 @@ AUTOMAKE_OPTIONS = foreign
bin_PROGRAMS = usb-server
usb_server_SOURCES = usb-server.cc
usb_server_CPPFLAGS = $(SHEVEK_CFLAGS) -DSTAGE1_FILE=\"mips/nanonote/sdram-setup.raw\" -DSTAGE2_FILE=\"iris.raw\" -I../../..
usb_server_CPPFLAGS = $(SHEVEK_CFLAGS) -DSTAGE1_FILE=\"mips/nanonote/sdram-setup.raw\" -DSTAGE2_FILE=\"mips/start.raw\" -I../../..
usb_server_LDFLAGS = $(SHEVEK_LIBS) -lusb
PYPP = /usr/bin/pypp

View File

@@ -40,7 +40,7 @@ struct data:
static int const run_vendor = 0xfffe
static int const run_product = 0x0002
static unsigned const timeout = 10000
void boot (unsigned entry)
void boot (std::string const &filename, unsigned load, unsigned entry)
data (std::string const &port):
handle = NULL
server = shevek::server <client, data *>::create ()
@@ -49,7 +49,6 @@ struct data:
private:
static unsigned const STAGE1_LOAD = 0x80002000
static unsigned const STAGE2_LOAD = 0x80000000
static unsigned const STAGE1_ENTRY = STAGE1_LOAD
enum requests:
VR_GET_CPU_INFO = 0
@@ -212,9 +211,10 @@ struct client : public shevek::server <client, data *>::connection:
keep = is_stdio
void read (std::string const &line):
shevek::istring l (line)
unsigned entry
if l ("reboot %x%", entry):
get_server ()->data ()->boot (entry)
unsigned load, entry
std::string filename
if l ("reboot %x %x %r%", load, entry, filename):
get_server ()->data ()->boot (filename, load, entry)
else if l ("shutdown%"):
std::cerr << "shutting down\n"
shevek::end_loop ()
@@ -266,8 +266,8 @@ void data::get_device (unsigned vendor, unsigned product, unsigned tries):
sleep (1)
std::cerr << shevek::ostring ("giving up finding device %04x:%04x\n", vendor, product)
void data::boot (unsigned entry):
std::cerr << "booting " << shevek::ostring ("%x", entry) << "\n"
void data::boot (std::string const &filename, unsigned load, unsigned entry):
std::cerr << "booting " << shevek::ostring ("%s from %x@%x", Glib::ustring (filename), load, entry) << "\n"
if handle:
usb_release_interface (handle, 0)
usb_close (handle)
@@ -294,10 +294,10 @@ void data::boot (unsigned entry):
std::ostringstream stage2
usb_release_interface (handle, 0)
file.close ()
file.open (STAGE2_FILE)
file.open (filename.c_str ())
stage2 << file.rdbuf ()
std::cerr << "sending Iris\n"
send_file (STAGE2_LOAD, stage2.str ().size (), stage2.str ().data ())
std::cerr << shevek::ostring ("sending Iris (size 0x%x)\n", stage2.str ().size ())
send_file (load, stage2.str ().size (), stage2.str ().data ())
std::cerr << "flushing caches\n"
request (VR_FLUSH_CACHES)
std::cerr << "running Iris\n"