Author: stepan
Date: Tue Apr 13 01:04:29 2010
New Revision: 5412
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5412

Log:
move model_6ex car to a single file. No more .c files that only consist of a
single several pages long asm statement

Could use some renumbering of post codes, but that's good for another time.

Signed-off-by: Stefan Reinauer <[email protected]>
Acked-by: Patrick Georgi <[email protected]>

Deleted:
   trunk/src/cpu/intel/model_6ex/cache_as_ram_disable.c
   trunk/src/cpu/intel/model_6ex/cache_as_ram_post.c
Modified:
   trunk/src/cpu/intel/model_6ex/cache_as_ram.inc
   trunk/src/mainboard/kontron/986lcd-m/romstage.c
   trunk/src/mainboard/roda/rk886ex/romstage.c

Modified: trunk/src/cpu/intel/model_6ex/cache_as_ram.inc
==============================================================================
--- trunk/src/cpu/intel/model_6ex/cache_as_ram.inc      Mon Apr 12 17:28:34 
2010        (r5411)
+++ trunk/src/cpu/intel/model_6ex/cache_as_ram.inc      Tue Apr 13 01:04:29 
2010        (r5412)
@@ -137,12 +137,142 @@
 
        post_code(0x23)
 
-       call    stage1_main
+       /* Call romstage.c main function */
+       call    main
 
        post_code(0x2f)
-error:
+
+       post_code(0x30)
+
+       /* Disable Cache */
+       movl    %cr0, %eax
+       orl    $(1 << 30), %eax
+       movl    %eax, %cr0
+
+       post_code(0x31)
+
+       /* Disable MTRR */
+       movl    $MTRRdefType_MSR, %ecx
+       rdmsr
+       andl    $(~(1 << 11)), %eax
+       wrmsr
+
+       post_code(0x31)
+
+       invd
+#if 0
+       xorl    %eax, %eax
+       xorl    %edx, %edx
+       movl    $MTRRphysBase_MSR(0), %ecx
+       wrmsr
+       movl    $MTRRphysMask_MSR(0), %ecx
+       wrmsr
+       movl    $MTRRphysBase_MSR(1), %ecx
+       wrmsr
+       movl    $MTRRphysMask_MSR(1), %ecx
+       wrmsr
+#endif
+
+       post_code(0x33)
+
+#undef CLEAR_FIRST_1M_RAM
+#ifdef CLEAR_FIRST_1M_RAM
+       post_code(0x34)
+       /* Enable Write Combining and Speculative Reads for the first 1MB */
+       movl    $MTRRphysBase_MSR(0), %ecx
+       movl    $(0x00000000 | MTRR_TYPE_WRCOMB), %eax
+       xorl    %edx, %edx
+       wrmsr
+       movl    $MTRRphysMask_MSR(0), %ecx
+       movl    $(~(1024*1024 -1) | (1 << 11)), %eax
+       movl    $0x0000000f, %edx       // 36bit address space
+       wrmsr
+       post_code(0x35)
+#endif
+
+       /* Enable Cache */
+       movl    %cr0, %eax
+       andl    $~( (1 << 30) | (1 << 29) ), %eax
+       movl    %eax, %cr0
+
+
+       post_code(0x36)
+#ifdef CLEAR_FIRST_1M_RAM
+
+       /* Clear first 1MB of RAM */
+       movl    $0x00000000, %edi
+       cld
+       xorl    %eax, %eax
+       movl    $((1024*1024) / 4), %ecx
+       rep stosl
+       
+       post_code(0x37)
+#endif
+
+       /* Disable Cache */
+       movl    %cr0, %eax
+       orl    $(1 << 30), %eax
+       movl    %eax, %cr0
+
+       post_code(0x38)
+
+       /* Enable Write Back and Speculative Reads for the first 1MB */
+       movl    $MTRRphysBase_MSR(0), %ecx
+       movl    $(0x00000000 | MTRR_TYPE_WRBACK), %eax
+       xorl    %edx, %edx
+       wrmsr
+       movl    $MTRRphysMask_MSR(0), %ecx
+       movl    $(~(1024*1024 -1) | (1 << 11)), %eax
+       movl    $0x0000000f, %edx       // 36bit address space
+       wrmsr
+
+       post_code(0x39)
+
+       /* And Enable Cache again after setting MTRRs */
+       movl    %cr0, %eax
+       andl    $~( (1 << 30) | (1 << 29) ), %eax
+       movl    %eax, %cr0
+
+       post_code(0x3a)
+
+       /* Enable MTRR */
+       movl    $MTRRdefType_MSR, %ecx
+       rdmsr
+       orl     $(1 << 11), %eax
+       wrmsr
+
+       post_code(0x3b)
+
+       /* Invalidate the cache again */
+       invd
+
+
+       /* clear boot_complete flag */
+       xorl    %ebp, %ebp
+__main:
+       post_code(0x11)
+       cld                     /* clear direction flag */
+       
+       movl    %ebp, %esi
+
+       /* For now: use CONFIG_RAMBASE + 1MB - 64K (counting downwards) as 
stack. This
+        * makes sure that we stay completely within the 1M-64K of memory that 
we
+        * preserve for suspend/resume.
+        */
+
+#ifndef HIGH_MEMORY_SAVE
+#warning Need a central place for HIGH_MEMORY_SAVE
+#define HIGH_MEMORY_SAVE ( (1024 - 64) * 1024 )
+#endif
+       movl $(CONFIG_RAMBASE + HIGH_MEMORY_SAVE), %esp
+       movl    %esp, %ebp
+       pushl %esi
+       call copy_and_run
+
+.Lhlt: 
+       post_code(0xee)
        hlt
-       jmp     error
+       jmp     .Lhlt
 
 mtrr_table:
        /* Fixed MTRRs */

Modified: trunk/src/mainboard/kontron/986lcd-m/romstage.c
==============================================================================
--- trunk/src/mainboard/kontron/986lcd-m/romstage.c     Mon Apr 12 17:28:34 
2010        (r5411)
+++ trunk/src/mainboard/kontron/986lcd-m/romstage.c     Tue Apr 13 01:04:29 
2010        (r5412)
@@ -359,9 +359,7 @@
 //
 #include "lib/cbmem.c"
 
-#include "cpu/intel/model_6ex/cache_as_ram_disable.c"
-
-void real_main(unsigned long bist)
+void main(unsigned long bist)
 {
        u32 reg32;
        int boot_mode = 0;

Modified: trunk/src/mainboard/roda/rk886ex/romstage.c
==============================================================================
--- trunk/src/mainboard/roda/rk886ex/romstage.c Mon Apr 12 17:28:34 2010        
(r5411)
+++ trunk/src/mainboard/roda/rk886ex/romstage.c Tue Apr 13 01:04:29 2010        
(r5412)
@@ -272,9 +272,8 @@
 // __PRE_RAM__ to determine whether we're in ram init stage (stage 1)
 //
 #include "lib/cbmem.c"
-#include "cpu/intel/model_6ex/cache_as_ram_disable.c"
 
-void real_main(unsigned long bist)
+void main(unsigned long bist)
 {
        u32 reg32;
        int boot_mode = 0;

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