- Delayed commit of code for the ASUS A7M motherboard

- VIA 686 cleanups from the A7M code (it now works in a different pci slot).
- Update of assembly printing routines to use the debug levels:
  TTYS0_TX_CHAR now becomes CONSOLE_<LEVEL>_TX_CHAR.
  It's more verbose but now the controls are the same as with the C code.
- Break off of loglevel.h from printk.h.  loglevel.h is safe for both
  the assembly routines and the C code to include.
- Next round of commits for the supermicro p4dc6
- SMP setup updates (Rons board is broken)
  I now allow the other SMP processors to report their existence.
  I really need to add a minimum time to run but that hasn't happened yet.
- SMP per motherboard table of apicids, as the assumption that they
  would always be 0 & 1 with only two cpus fails.
- RDRAM setup updates.  The code isn't done but it now works on more
  than one board at a time.
- More cacheram work.  Minor bug fixes and some macros to use it from C.
- Entry point changes so we no longer have to jump over our gdt.
- Added/Audited the cpufixup for the i786
- IDE intialization for the 82801 ich2 chip.

src/include/cpu/cpufixup.h

@@ -7,6 +7,8 @@
 #ifdef CPU_FIXUP
 #  if defined(k7)
 #    define cpufixup(totalram) k7_cpufixup(totalram)
+#  elif defined(i786)
+#    define cpufixup(totalram) p6_cpufixup(totalram)
 #  elif defined(i686)
 #    define cpufixup(totalram) p6_cpufixup(totalram)
 #  endif

src/include/cpu/l2_cache.h

@@ -4,7 +4,7 @@
 #include <cpu/p6/l2_cache.h>
 
 #ifdef CONFIGURE_L2_CACHE
-#  if defined(i686)
+#  if defined(i686) && !defined(i786)
 #    define configure_l2_cache() p6_configure_l2_cache()
 #  endif
 #else

src/include/cpu/p6/apic.h

@@ -139,7 +139,7 @@ static inline void apic_wait_icr_idle(void)
 
 #ifdef CONFIG_X86_GOOD_APIC
 # define FORCE_READ_AROUND_WRITE 0
-# define apic_read_around(x)
+# define apic_read_around(x) apic_read(x)
 # define apic_write_around(x,y) apic_write((x),(y))
 #else
 # define FORCE_READ_AROUND_WRITE 1
@@ -147,10 +147,11 @@ static inline void apic_wait_icr_idle(void)
 # define apic_write_around(x,y) apic_write_atomic((x),(y))
 #endif
 
-static inline unsigned long apic_remote_read(int apicid, int reg)
+static inline int apic_remote_read(int apicid, int reg, unsigned long *pvalue)
 {
 	int timeout;
-	unsigned long status, result;
+	unsigned long status;
+	int result;
 	apic_wait_icr_idle();
 	apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
 	apic_write_around(APIC_ICR, APIC_DM_REMRD | (reg >> 4));
@@ -164,10 +165,8 @@ static inline unsigned long apic_remote_read(int apicid, int reg)
 
 	result = -1;
 	if (status == APIC_ICR_RR_VALID) {
-		result = apic_read(APIC_RRR);
-	}
-	else {
-		printk_err("remote apic read failed\n");
+		*pvalue = apic_read(APIC_RRR);
+		result = 0;
 	}
 	return result;
 }