Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2989
-gerrit
commit c351565627554eb0ff9ff3dcc84ee93f6245ab2b Author: Vladimir Serbinenko phcoder@gmail.com Date: Sat Mar 30 02:02:13 2013 +0100
spkmodem console
Change-Id: Id1e1ffa8fde8d86b776ed2ac1b51d05bce13aa26 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/arch/x86/lib/romstage_console.c | 7 ++ src/console/Kconfig | 6 ++ src/console/Makefile.inc | 1 + src/console/console.c | 4 ++ src/console/spkmodem_console.c | 46 +++++++++++++ src/include/console/console.h | 3 + src/include/console/spkmodem.h | 7 ++ src/lib/Makefile.inc | 3 + src/lib/spkmodem.c | 128 ++++++++++++++++++++++++++++++++++++ 9 files changed, 205 insertions(+)
diff --git a/src/arch/x86/lib/romstage_console.c b/src/arch/x86/lib/romstage_console.c index f53f5a9..2013bb7 100644 --- a/src/arch/x86/lib/romstage_console.c +++ b/src/arch/x86/lib/romstage_console.c @@ -28,6 +28,10 @@ #if CONFIG_CONSOLE_NE2K #include <console/ne2k.h> #endif +#if CONFIG_SPKMODEM +#include <console/spkmodem.h> +#endif +
void console_tx_byte(unsigned char byte) { @@ -52,6 +56,9 @@ void console_tx_byte(unsigned char byte) #if CONFIG_CONSOLE_CBMEM cbmemc_tx_byte(byte); #endif +#if CONFIG_SPKMODEM + spkmodem_tx_byte(byte); +#endif }
void console_tx_flush(void) diff --git a/src/console/Kconfig b/src/console/Kconfig index d2cff57..6251589 100644 --- a/src/console/Kconfig +++ b/src/console/Kconfig @@ -119,6 +119,12 @@ config TTYS0_LCS default 3 depends on CONSOLE_SERIAL8250 || CONSOLE_SERIAL8250MEM
+config SPKMODEM + bool "spkmodem (console on speaker) console output" + default n + help + Send coreboot debug output through speaker + # Use "select HAVE_USBDEBUG" on southbridges which have Debug Port code. config HAVE_USBDEBUG def_bool n diff --git a/src/console/Makefile.inc b/src/console/Makefile.inc index 40bf357..15034cb 100644 --- a/src/console/Makefile.inc +++ b/src/console/Makefile.inc @@ -20,6 +20,7 @@ bootblock-y += die.c
ramstage-$(CONFIG_CONSOLE_SERIAL8250) += uart8250_console.c ramstage-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem_console.c +ramstage-$(CONFIG_SPKMODEM) += spkmodem_console.c ramstage-$(CONFIG_USBDEBUG) += usbdebug_console.c ramstage-$(CONFIG_CONSOLE_LOGBUF) += logbuf_console.c ramstage-$(CONFIG_CONSOLE_NE2K) += ne2k_console.c diff --git a/src/console/console.c b/src/console/console.c index 34a26ec..6069892 100644 --- a/src/console/console.c +++ b/src/console/console.c @@ -119,6 +119,10 @@ void console_init(void) #if CONFIG_CONSOLE_CBMEM cbmemc_init(); #endif +#if CONFIG_SPKMODEM + spkmodem_init(); +#endif + static const char console_test[] = "\n\ncoreboot-" COREBOOT_VERSION diff --git a/src/console/spkmodem_console.c b/src/console/spkmodem_console.c new file mode 100644 index 0000000..814a1ac --- /dev/null +++ b/src/console/spkmodem_console.c @@ -0,0 +1,46 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Vladimir Serbinenko + * + * 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 + */ + +#include <console/console.h> +#include <console/spkmodem.h> + +static void spkmodem_tx_flush(void) +{ +} + +static unsigned char spkmodem_rx_byte(void) +{ + return 0; +} + +static int spkmodem_tst_byte(void) +{ + return 0; +} + + +static const struct console_driver spkmodem_console __console = { + .init = spkmodem_init, + .tx_byte = spkmodem_tx_byte, + .tx_flush = spkmodem_tx_flush, + .rx_byte = spkmodem_rx_byte, + .tst_byte = spkmodem_tst_byte, +}; + diff --git a/src/include/console/console.h b/src/include/console/console.h index 0b63644..d320093 100644 --- a/src/include/console/console.h +++ b/src/include/console/console.h @@ -36,6 +36,9 @@ #if CONFIG_CONSOLE_CBMEM #include <console/cbmem_console.h> #endif +#if CONFIG_SPKMODEM +#include <console/spkmodem.h> +#endif
#ifndef __PRE_RAM__ unsigned char console_rx_byte(void); diff --git a/src/include/console/spkmodem.h b/src/include/console/spkmodem.h new file mode 100644 index 0000000..450dbe8 --- /dev/null +++ b/src/include/console/spkmodem.h @@ -0,0 +1,7 @@ +#ifndef SPKMODEM_H +#define SPKMODEM_H 1 + +void spkmodem_init(void); +void spkmodem_tx_byte(unsigned char c); + +#endif diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc index 9d3588e..e8b1485 100644 --- a/src/lib/Makefile.inc +++ b/src/lib/Makefile.inc @@ -47,6 +47,8 @@ romstage-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem.c romstage-$(CONFIG_CONSOLE_CBMEM) += cbmem_console.c romstage-$(CONFIG_CONSOLE_NE2K) += ne2k.c romstage-$(CONFIG_USBDEBUG) += usbdebug.c +romstage-$(CONFIG_SPKMODEM) += spkmodem.c + romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c romstage-$(CONFIG_EARLY_CBMEM_INIT) += cbmem.c romstage-y += compute_ip_checksum.c @@ -81,6 +83,7 @@ ramstage-$(CONFIG_CONSOLE_SERIAL8250) += uart8250.c ramstage-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem.c ramstage-$(CONFIG_CONSOLE_CBMEM) += cbmem_console.c ramstage-$(CONFIG_USBDEBUG) += usbdebug.c +ramstage-$(CONFIG_SPKMODEM) += spkmodem.c ramstage-$(CONFIG_BOOTSPLASH) += jpeg.c ramstage-$(CONFIG_TRACE) += trace.c ramstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c diff --git a/src/lib/spkmodem.c b/src/lib/spkmodem.c new file mode 100644 index 0000000..89773b1 --- /dev/null +++ b/src/lib/spkmodem.c @@ -0,0 +1,128 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Vladimir Serbinenko + * + * 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 + */ + +#include <console/console.h> +#include <arch/io.h> +#include <console/spkmodem.h> +#include <cpu/x86/tsc.h> + +#define SPEAKER_PIT_FREQUENCY 0x1234dd + + +enum { + PIT_COUNTER_0 = 0x40, + PIT_COUNTER_1 = 0x41, + PIT_COUNTER_2 = 0x42, + PIT_CTRL = 0x43, + PIT_SPEAKER_PORT = 0x61, +}; + + +enum { + PIT_SPK_TMR2 = 0x01, + PIT_SPK_DATA = 0x02, + PIT_SPK_TMR2_LATCH = 0x20 +}; + +enum { + PIT_CTRL_SELECT_MASK = 0xc0, + PIT_CTRL_SELECT_0 = 0x00, + PIT_CTRL_SELECT_1 = 0x40, + PIT_CTRL_SELECT_2 = 0x80, + + PIT_CTRL_READLOAD_MASK= 0x30, + PIT_CTRL_COUNTER_LATCH = 0x00, + PIT_CTRL_READLOAD_LSB = 0x10, + PIT_CTRL_READLOAD_MSB = 0x20, + PIT_CTRL_READLOAD_WORD = 0x30, + + PIT_CTRL_MODE_MASK = 0x0e, + PIT_CTRL_INTR_ON_TERM = 0x00, + PIT_CTRL_PROGR_ONE_SHOT = 0x02, + + PIT_CTRL_RATE_GEN = 0x04, + + PIT_CTRL_SQUAREWAVE_GEN = 0x06, + PIT_CTRL_SOFTSTROBE = 0x08, + + PIT_CTRL_HARDSTROBE = 0x0a, + + + PIT_CTRL_COUNT_MASK = 0x01, + PIT_CTRL_COUNT_BINARY = 0x00, + PIT_CTRL_COUNT_BCD = 0x01 +}; + + +static void +make_tone (uint16_t freq_count, unsigned int duration) +{ + outb (PIT_CTRL_SELECT_2 + | PIT_CTRL_READLOAD_WORD + | PIT_CTRL_SQUAREWAVE_GEN + | PIT_CTRL_COUNT_BINARY, PIT_CTRL); + + outb (freq_count & 0xff, PIT_COUNTER_2); + + outb ((freq_count >> 8) & 0xff, PIT_COUNTER_2); + + outb (inb (PIT_SPEAKER_PORT) + | PIT_SPK_TMR2 | PIT_SPK_DATA, + PIT_SPEAKER_PORT); + + for (; duration; duration--) { + unsigned short counter, previous_counter = 0xffff; + while (1) { + counter = inb (PIT_COUNTER_2); + counter |= ((uint16_t) inb (PIT_COUNTER_2)) << 8; + if (counter > previous_counter) + { + previous_counter = counter; + break; + } + previous_counter = counter; + } + } +} + +void spkmodem_tx_byte(unsigned char c) +{ + int i; + + make_tone (SPEAKER_PIT_FREQUENCY / 200, 4); + for (i = 7; i >= 0; i--) { + if ((c >> i) & 1) + make_tone (SPEAKER_PIT_FREQUENCY / 2000, 20); + else + make_tone (SPEAKER_PIT_FREQUENCY / 4000, 40); + make_tone (SPEAKER_PIT_FREQUENCY / 1000, 10); + } + make_tone (SPEAKER_PIT_FREQUENCY / 200, 0); +} + +void spkmodem_init(void) +{ + /* Some cards need time to come online. Output some message to get it started. */ + spkmodem_tx_byte('S'); + spkmodem_tx_byte('P'); + spkmodem_tx_byte('K'); + spkmodem_tx_byte('\r'); + spkmodem_tx_byte('\n'); +}