Patrick Georgi (patrick@georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5421
-gerrit
commit f973b3d6c5b98fd410d2ae454f61c66440a8a8e8 Author: Patrick Georgi patrick@georgi-clan.de Date: Sat Mar 29 20:58:16 2014 +0100
new board: ASUS P2-M3A3200
Adapted IT8718F early init from coreboot
Change-Id: I2c32659be40c5ff47bd13cd27b1c1e10e7a34092 Signed-off-by: Patrick Georgi patrick@georgi-clan.de --- SerialICE/Kconfig | 6 +++ SerialICE/mainboard/asus_p2-m3a3200.c | 27 ++++++++++ SerialICE/superio/ite-it8718f.c | 94 +++++++++++++++++++++++++++++++++++ 3 files changed, 127 insertions(+)
diff --git a/SerialICE/Kconfig b/SerialICE/Kconfig index 328950e..1a3a78c 100644 --- a/SerialICE/Kconfig +++ b/SerialICE/Kconfig @@ -33,6 +33,9 @@ config BOARD_QEMU_X86 config BOARD_AMD_SERENGETI_CHEETAH bool "AMD Serengeti Cheetah (SimNOW)"
+config BOARD_ASUS_P2_M3A3200 + bool "ASUS Pundit P2-M3A3200" + config BOARD_KONTRON_986LCD_M bool "Kontron 986LCD-M/mITX"
@@ -140,6 +143,7 @@ config BOARD_INIT string default "qemu-x86.c" if BOARD_QEMU_X86 default "amd_serengeti-cheetah.c" if BOARD_AMD_SERENGETI_CHEETAH + default "asus_p2-m3a3200.c" if BOARD_ASUS_P2_M3A3200 default "kontron_986lcd-m.c" if BOARD_KONTRON_986LCD_M default "roda_rk886ex.c" if BOARD_RODA_RK886EX default "intel_d94x.c" if BOARD_INTEL_D945GCLF || BOARD_INTEL_D945GNT || BOARD_INTEL_D946GZIS @@ -173,9 +177,11 @@ config SOUTHBRIDGE_INIT string default "southbridge/intel-ich7.c" if BOARD_KONTRON_986LCD_M default "southbridge/amd-sbxxx.c" if BOARD_ASUS_F2A85_M || BOARD_JETWAY_NF81_T56N_LF + default "southbridge/amd-sbxxx.c" if BOARD_ASUS_P2_M3A3200
config SUPERIO_INIT string + default "superio/ite-it8718f.c" if BOARD_ASUS_P2_M3A3200 default "superio/winbond-w83627thg.c" if BOARD_KONTRON_986LCD_M default "superio/fintek-f71869ad.c" if BOARD_JETWAY_NF81_T56N_LF
diff --git a/SerialICE/mainboard/asus_p2-m3a3200.c b/SerialICE/mainboard/asus_p2-m3a3200.c new file mode 100644 index 0000000..fa233a6 --- /dev/null +++ b/SerialICE/mainboard/asus_p2-m3a3200.c @@ -0,0 +1,27 @@ +/* + * SerialICE + * + * Copyright (C) 2009 Uwe Hermann uwe@hermann-uwe.de + * Copyright (C) 2010 Arne Georg Gleditsch arne.gleditsch@numascale.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +const char boardname[33]="ASUS Pundit P2-M3A3200 "; + +static void chipset_init(void) +{ + southbridge_init(); + superio_init(); +} diff --git a/SerialICE/superio/ite-it8718f.c b/SerialICE/superio/ite-it8718f.c new file mode 100644 index 0000000..2659532 --- /dev/null +++ b/SerialICE/superio/ite-it8718f.c @@ -0,0 +1,94 @@ +/* + * SerialICE + * + * Copyright (C) 2006 Uwe Hermann uwe@hermann-uwe.de + * 2009 coresystems GmbH + * 2014 Patrick Georgi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define IT8718F_SP1 0x01 /* Com1 */ +#define IT8718F_SP2 0x02 /* Com2 */ + +/* The base address is 0x2e or 0x4e, depending on config bytes. */ +#define SIO_BASE 0x2e +#define SIO_INDEX SIO_BASE +#define SIO_DATA (SIO_BASE + 1) + +/* Global configuration registers. */ +#define IT8718F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ +#define IT8718F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ +#define IT8718F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */ +#define IT8718F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ +#define IT8718F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ + +static void it8718f_sio_write(char ldn, char index, char value) +{ + outb(IT8718F_CONFIG_REG_LDN, SIO_BASE); + outb(ldn, SIO_DATA); + outb(index, SIO_BASE); + outb(value, SIO_DATA); +} + +static void it8718f_enter_conf(void) +{ + u16 port = SIO_BASE; + + outb(0x87, port); + outb(0x01, port); + outb(0x55, port); + outb((port == 0x4e) ? 0xaa : 0x55, port); +} + +static void it8718f_exit_conf(void) +{ + it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CC, 0x02); +} + +/* Select 24MHz CLKIN (48MHz default). */ +static void it8718f_24mhz_clkin(void) +{ + it8718f_enter_conf(); + it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CLOCKSEL, 0x1); + it8718f_exit_conf(); +} + +/* Enable the serial port(s). */ +static void superio_init(void) +{ + /* (1) Enter the configuration state (MB PnP mode). */ + it8718f_enter_conf(); + + /* (2) Modify the data of configuration registers. */ + + /* + * Select the chip to configure (if there's more than one). + * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0. + * If this register is not written, both chips are configured. + */ + + /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CONFIGSEL, 0x00); */ + + /* Enable serial port(s). */ + it8718f_sio_write(IT8718F_SP1, 0x30, 0x1); /* Serial port 1 */ + it8718f_sio_write(IT8718F_SP2, 0x30, 0x1); /* Serial port 2 */ + + /* Clear software suspend mode (clear bit 0). */ + it8718f_sio_write(0x00, IT8718F_CONFIG_REG_SWSUSP, 0x00); + + /* (3) Exit the configuration state (MB PnP mode). */ + it8718f_exit_conf(); +} +