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Diffstat (limited to 'src/mainboard/asus/mew-vm/auto.c')
-rw-r--r--src/mainboard/asus/mew-vm/auto.c106
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
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+++ b/src/mainboard/asus/mew-vm/auto.c
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+/*
+ * 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 */
+}