Rudolf Marek (r.marek@assembler.cz) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/810
-gerrit
commit 82d775d53fa2b4394e78b28e3a7ad7d06b0644a5 Author: Rudolf Marek r.marek@assembler.cz Date: Sun Mar 25 19:55:43 2012 +0200
Add bifferboard
This commit adds support for Bifferboard, a 32MB 486 PC
Change-Id: Iad790ebf242ef07bf6298f8e3577783e5e743113 Signed-off-by: Rudolf Marek r.marek@assembler.cz --- src/mainboard/Kconfig | 3 + src/mainboard/bifferos/Kconfig | 36 ++++++++++++ src/mainboard/bifferos/bifferboard/Kconfig | 19 +++++++ src/mainboard/bifferos/bifferboard/Makefile.inc | 1 + src/mainboard/bifferos/bifferboard/chip.h | 23 ++++++++ src/mainboard/bifferos/bifferboard/devicetree.cb | 8 +++ src/mainboard/bifferos/bifferboard/mainboard.c | 26 +++++++++ src/mainboard/bifferos/bifferboard/romstage.c | 64 ++++++++++++++++++++++ 8 files changed, 180 insertions(+), 0 deletions(-)
diff --git a/src/mainboard/Kconfig b/src/mainboard/Kconfig index fe70211..a968b51 100644 --- a/src/mainboard/Kconfig +++ b/src/mainboard/Kconfig @@ -36,6 +36,8 @@ config VENDOR_AZZA bool "AZZA" config VENDOR_BCOM bool "BCOM" +config VENDOR_BIFFEROS + bool "Bifferos" config VENDOR_BIOSTAR bool "Biostar" config VENDOR_BROADCOM @@ -143,6 +145,7 @@ source "src/mainboard/avalue/Kconfig" source "src/mainboard/axus/Kconfig" source "src/mainboard/azza/Kconfig" source "src/mainboard/bcom/Kconfig" +source "src/mainboard/bifferos/Kconfig" source "src/mainboard/biostar/Kconfig" source "src/mainboard/broadcom/Kconfig" source "src/mainboard/compaq/Kconfig" diff --git a/src/mainboard/bifferos/Kconfig b/src/mainboard/bifferos/Kconfig new file mode 100644 index 0000000..98cbab8 --- /dev/null +++ b/src/mainboard/bifferos/Kconfig @@ -0,0 +1,36 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2009 Uwe Hermann uwe@hermann-uwe.de +## +## 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 +## + +if VENDOR_BIFFEROS + +choice + prompt "Mainboard model" + +config BOARD_BIFFEROS_BIFFERBOARD + bool "Bifferboard" + +endchoice + +source "src/mainboard/bifferos/bifferboard/Kconfig" + +config MAINBOARD_VENDOR + string + default "Bifferos" + +endif # VENDOR_BIFFEROS diff --git a/src/mainboard/bifferos/bifferboard/Kconfig b/src/mainboard/bifferos/bifferboard/Kconfig new file mode 100644 index 0000000..4b4b5da --- /dev/null +++ b/src/mainboard/bifferos/bifferboard/Kconfig @@ -0,0 +1,19 @@ +if BOARD_BIFFEROS_BIFFERBOARD + +config BOARD_SPECIFIC_OPTIONS + def_bool y + select ARCH_X86 + select ROMCC + select BOARD_ROMSIZE_KB_128 + select NORTHBRIDGE_RDC_R8610 + select SOUTHBRIDGE_RDC_R8610 + +config MAINBOARD_DIR + string + default bifferos/bifferboard + +config MAINBOARD_PART_NUMBER + string + default "Bifferos" + +endif # BOARD_BIFFEROS_BIFFERBOARD diff --git a/src/mainboard/bifferos/bifferboard/Makefile.inc b/src/mainboard/bifferos/bifferboard/Makefile.inc new file mode 100644 index 0000000..7678401 --- /dev/null +++ b/src/mainboard/bifferos/bifferboard/Makefile.inc @@ -0,0 +1 @@ +ROMCCFLAGS := -mcpu=i386 -O diff --git a/src/mainboard/bifferos/bifferboard/chip.h b/src/mainboard/bifferos/bifferboard/chip.h new file mode 100644 index 0000000..be42783 --- /dev/null +++ b/src/mainboard/bifferos/bifferboard/chip.h @@ -0,0 +1,23 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * 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 + */ + +extern struct chip_operations mainboard_ops; + +struct mainboard_config {}; + diff --git a/src/mainboard/bifferos/bifferboard/devicetree.cb b/src/mainboard/bifferos/bifferboard/devicetree.cb new file mode 100644 index 0000000..757ddd5 --- /dev/null +++ b/src/mainboard/bifferos/bifferboard/devicetree.cb @@ -0,0 +1,8 @@ +chip northbridge/rdc/r8610 + device pci_domain 0 on + device pci 0.0 on end + chip southbridge/rdc/r8610 # Southbridge + device pci 7.0 on end # SB + end + end +end diff --git a/src/mainboard/bifferos/bifferboard/mainboard.c b/src/mainboard/bifferos/bifferboard/mainboard.c new file mode 100644 index 0000000..5840f95 --- /dev/null +++ b/src/mainboard/bifferos/bifferboard/mainboard.c @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Rudolf Marek r.marek@assembler.cz + * + * 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 + */ + +#include <device/device.h> +#include "chip.h" + +struct chip_operations mainboard_ops = { + CHIP_NAME("Bifferos Bifferboard") +}; + diff --git a/src/mainboard/bifferos/bifferboard/romstage.c b/src/mainboard/bifferos/bifferboard/romstage.c new file mode 100644 index 0000000..854aaa9 --- /dev/null +++ b/src/mainboard/bifferos/bifferboard/romstage.c @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Rudolf Marek r.marek@assembler.cz + * + * 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 + */ + +#include <stdint.h> +#include <device/pci_def.h> +#include <device/pci_ids.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/romcc_io.h> +#include <arch/hlt.h> +#include <pc80/mc146818rtc.h> +#include <console/console.h> +#include <cpu/x86/cache.h> + +static void main(void) +{ + uint32_t tmp; + post_code(0x05); + + /* Set timer1 to pulse generator 15us for memory refresh */ + outb(0x54, 0x43); + outb(0x12, 0x41); + + /* CPU setup, romcc pukes on invd() */ + asm volatile ("invd"); + enable_cache(); + + /* Set serial base */ + pci_write_config32(PCI_DEV(0,7,0), 0x54, 0x3f8); + /* serial IRQ disable, LPC disable, COM2 goes to LPC, internal UART for COM1 */ + pci_write_config32(PCI_DEV(0,7,0), 0x50, 0x84101012); + + console_init(); + + /* memory init */ + pci_write_config32(PCI_DEV(0,0,0), 0x68, 0x6c99f); + pci_write_config32(PCI_DEV(0,0,0), 0x6c, 0x800451); + pci_write_config32(PCI_DEV(0,0,0), 0x70, 0x4000003); + + /* memory phase/buffer strength for read and writes */ + tmp = pci_read_config32(PCI_DEV(0,0,0), 0x64); + tmp &= 0x0FF00FFFF; + tmp |= 0x790000; + pci_write_config32(PCI_DEV(0,0,0), 0x64, tmp); + /* Route Cseg, Dseg, Eseg and Fseg to RAM */ + pci_write_config32(PCI_DEV(0,0,0), 0x84, 0x3ffffff0); +} +