diff options
Diffstat (limited to 'src/mainboard/asus/mew-vm/auto.c')
-rw-r--r-- | src/mainboard/asus/mew-vm/auto.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/mainboard/asus/mew-vm/auto.c b/src/mainboard/asus/mew-vm/auto.c new file mode 100644 index 0000000000..3c993f1fbe --- /dev/null +++ b/src/mainboard/asus/mew-vm/auto.c @@ -0,0 +1,106 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 Corey Osgood <corey@slightlyhackish.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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define ASSEMBLY 1 + +#include <stdint.h> +#include <device/pci_def.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/romcc_io.h> +#include <arch/hlt.h> +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "ram/ramtest.c" +#include "superio/smsc/lpc47b272/lpc47b272_early_serial.c" +#include "northbridge/intel/i82810/raminit.h" +#include "cpu/x86/mtrr/earlymtrr.c" +#include "cpu/x86/bist.h" + +#define SERIAL_DEV PNP_DEV(0x2e, LPC47B272_SP1) + +#include "southbridge/intel/i82801xx/i82801xx_early_smbus.c" + +void udelay(int usecs) +{ + int i; + for(i = 0; i < usecs; i++) + outb(i&0xff, 0x80); +} + +#include "debug.c" +#include "lib/delay.c" + +#include "northbridge/intel/i82810/raminit.c" +#include "northbridge/intel/i82810/debug.c" +#include "sdram/generic_sdram.c" + +static void main(unsigned long bist) +{ + static const struct mem_controller memctrl[] = { + { + .d0 = PCI_DEV(0, 0, 0), + .channel0 = { + (0xa << 3) | 0, + (0xa << 3) | 1, + }, + } + }; + + if (bist == 0) { + early_mtrr_init(); + } + + enable_smbus(); + + lpc47b272_enable_serial(SERIAL_DEV, TTYS0_BASE); + uart_init(); + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + //enable_shadow_ram(); + + //dump_spd_registers(&memctrl[0]); + + /* sdram_initialize runs out of registers */ + //sdram_initialize(sizeof(memctrl) / sizeof(memctrl[0]), memctrl); + + sdram_set_registers(memctrl); + sdram_set_spd_registers(memctrl); + sdram_enable(0, memctrl); + + /* Check whether RAM is working. + * + * Do _not_ check the area from 640 KB - 1 MB, as that's not really + * RAM, but rather reserved for various other things: + * + * - 640 KB - 768 KB: Video Buffer Area + * - 768 KB - 896 KB: Expansion Area + * - 896 KB - 960 KB: Extended System BIOS Area + * - 960 KB - 1 MB: Memory (BIOS Area) - System BIOS Area + * + * Trying to check these areas will fail. + */ + /* TODO: This is currently hardcoded to check 64 MB. */ + //ram_check(0x00000000, 0x0009ffff); /* 0 - 640 KB */ + //ram_check(0x00100000, 0x007c0000); /* 1 MB - 64 MB */ +} |