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-rw-r--r--src/mainboard/digitallogic/adl855pc/romstage.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/src/mainboard/digitallogic/adl855pc/romstage.c b/src/mainboard/digitallogic/adl855pc/romstage.c
new file mode 100644
index 000000000000..cbd8bb048843
--- /dev/null
+++ b/src/mainboard/digitallogic/adl855pc/romstage.c
@@ -0,0 +1,143 @@
+#define ASSEMBLY 1
+#define __PRE_RAM__
+#define ASM_CONSOLE_LOGLEVEL 8
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#if 0
+#include <arch/smp/lapic.h>
+#endif
+#include <arch/hlt.h>
+//#include "option_table.h"
+#include <stdlib.h>
+#include "pc80/mc146818rtc_early.c"
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "lib/ramtest.c"
+#include "southbridge/intel/i82801dbm/i82801dbm_early_smbus.c"
+#include "northbridge/intel/i855pm/raminit.h"
+
+#if 0
+#include "cpu/p6/apic_timer.c"
+#include "lib/delay.c"
+#endif
+
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/intel/i855pm/debug.c"
+#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
+#include "cpu/x86/mtrr/earlymtrr.c"
+#include "cpu/x86/bist.h"
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+
+static void hard_reset(void)
+{
+ outb(0x0e, 0x0cf9);
+}
+
+static void memreset_setup(void)
+{
+}
+
+static void memreset(int controllers, const struct mem_controller *ctrl)
+{
+}
+
+
+
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
+{
+ /* nothing to do */
+}
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+ return smbus_read_byte(device, address);
+}
+
+#include "northbridge/intel/i855pm/raminit.c"
+#include "northbridge/intel/i855pm/reset_test.c"
+#include "lib/generic_sdram.c"
+
+static void main(unsigned long bist)
+{
+ static const struct mem_controller memctrl[] = {
+ {
+ .d0 = PCI_DEV(0, 0, 1),
+ .channel0 = { (0xa<<3)|0, 0 },
+ },
+ };
+
+ if (bist == 0) {
+ early_mtrr_init();
+#if 0
+ enable_lapic();
+ init_timer();
+#endif
+ }
+
+ w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+ uart_init();
+ console_init();
+
+
+ /* Halt if there was a built in self test failure */
+ report_bist_failure(bist);
+
+
+#if 0
+ print_pci_devices();
+#endif
+
+ if(!bios_reset_detected()) {
+ enable_smbus();
+#if 0
+ dump_spd_registers(&memctrl[0]);
+ // dump_smbus_registers();
+#endif
+
+
+ memreset_setup();
+
+ sdram_initialize(ARRAY_SIZE(memctrl), memctrl);
+
+ }
+#if 0
+ else {
+ /* clear memory 1meg */
+ __asm__ volatile(
+ "1: \n\t"
+ "movl %0, %%fs:(%1)\n\t"
+ "addl $4,%1\n\t"
+ "subl $4,%2\n\t"
+ "jnz 1b\n\t"
+ :
+ : "a" (0), "D" (0), "c" (1024*1024)
+ );
+
+ }
+#endif
+
+#if 0
+ dump_pci_devices();
+#endif
+#if 0
+ dump_pci_device(PCI_DEV(0, 0, 0));
+#endif
+
+/*
+#if 0
+ ram_check(0x00000000, msr.lo+(msr.hi<<32));
+#else
+#if 0
+ // Check 16MB of memory @ 0
+ ram_check(0x00000000, 0x01000000);
+#else
+ // Check 16MB of memory @ 2GB
+ ram_check(0x80000000, 0x81000000);
+#endif
+#endif
+*/
+}