Kyösti Mälkki ([email protected]) just uploaded a new patch set to 
gerrit, which you can find at http://review.coreboot.org/1209

-gerrit

commit dd379b352d03795b40f3a676c78e69bf51c8e830
Author: Kyösti Mälkki <[email protected]>
Date:   Wed Jul 11 08:02:57 2012 +0300

    Move setup_uma_memory() to AMDFAM10 northbridge
    
    Following boards had identical code:
      advansus/a785e-i
      amd/bimini_fam10
      amd/mahogany_fam10
      asus/m5a88-v
      avalue/eax-785e
      gigabyte/ma78gm
      iei/kino-780am2-fam10
      jetway/pa78vm5
    
    Following boards had identical code:
      amd/tilapia_fam10
      asus/m4a78-em
      asus/m4a785-m
      gigabyte/ma785gm
      gigabyte/ma785gmt
    
    In between the two, only whitespace difference.
    
    Change-Id: Iaa48cc7b0038ebcc81be49219b4fc87670aa9941
    Signed-off-by: Kyösti Mälkki <[email protected]>
---
 src/mainboard/advansus/a785e-i/mainboard.c      |   40 +--------------------
 src/mainboard/amd/bimini_fam10/mainboard.c      |   40 +--------------------
 src/mainboard/amd/mahogany_fam10/mainboard.c    |   40 +--------------------
 src/mainboard/amd/tilapia_fam10/mainboard.c     |   39 +-------------------
 src/mainboard/asus/m4a78-em/mainboard.c         |   39 +-------------------
 src/mainboard/asus/m4a785-m/mainboard.c         |   39 +-------------------
 src/mainboard/asus/m5a88-v/mainboard.c          |   40 +--------------------
 src/mainboard/avalue/eax-785e/mainboard.c       |   40 +--------------------
 src/mainboard/gigabyte/ma785gm/mainboard.c      |   39 +-------------------
 src/mainboard/gigabyte/ma785gmt/mainboard.c     |   39 +-------------------
 src/mainboard/gigabyte/ma78gm/mainboard.c       |   40 +--------------------
 src/mainboard/iei/kino-780am2-fam10/mainboard.c |   40 +--------------------
 src/mainboard/jetway/pa78vm5/mainboard.c        |   40 +--------------------
 src/northbridge/amd/amdfam10/northbridge.c      |   44 +++++++++++++++++++++++
 14 files changed, 57 insertions(+), 502 deletions(-)

diff --git a/src/mainboard/advansus/a785e-i/mainboard.c 
b/src/mainboard/advansus/a785e-i/mainboard.c
index 3504ac2..1c1b164 100644
--- a/src/mainboard/advansus/a785e-i/mainboard.c
+++ b/src/mainboard/advansus/a785e-i/mainboard.c
@@ -83,45 +83,7 @@ static void a785e_i_enable(device_t dev)
 
        printk(BIOS_INFO, "Mainboard A785E-I Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        enable_int_gfx();
diff --git a/src/mainboard/amd/bimini_fam10/mainboard.c 
b/src/mainboard/amd/bimini_fam10/mainboard.c
index 4d685e2..1be3c75 100644
--- a/src/mainboard/amd/bimini_fam10/mainboard.c
+++ b/src/mainboard/amd/bimini_fam10/mainboard.c
@@ -133,45 +133,7 @@ static void bimini_enable(device_t dev)
 
        printk(BIOS_INFO, "Mainboard BIMINI Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        enable_int_gfx();
diff --git a/src/mainboard/amd/mahogany_fam10/mainboard.c 
b/src/mainboard/amd/mahogany_fam10/mainboard.c
index 16dff47..c25581d 100644
--- a/src/mainboard/amd/mahogany_fam10/mainboard.c
+++ b/src/mainboard/amd/mahogany_fam10/mainboard.c
@@ -104,45 +104,7 @@ static void mahogany_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard MAHOGANY Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/amd/tilapia_fam10/mainboard.c 
b/src/mainboard/amd/tilapia_fam10/mainboard.c
index 1777c2b..9c845fa 100644
--- a/src/mainboard/amd/tilapia_fam10/mainboard.c
+++ b/src/mainboard/amd/tilapia_fam10/mainboard.c
@@ -279,44 +279,7 @@ static void tilapia_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard TILAPIA Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk(BIOS_INFO,
-           "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk(BIOS_INFO,
-           "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/asus/m4a78-em/mainboard.c 
b/src/mainboard/asus/m4a78-em/mainboard.c
index 2b4e97c..6b87177 100644
--- a/src/mainboard/asus/m4a78-em/mainboard.c
+++ b/src/mainboard/asus/m4a78-em/mainboard.c
@@ -123,44 +123,7 @@ static void m4a78em_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk(BIOS_INFO,
-           "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk(BIOS_INFO,
-           "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/asus/m4a785-m/mainboard.c 
b/src/mainboard/asus/m4a785-m/mainboard.c
index 3693300..1bfeda5 100644
--- a/src/mainboard/asus/m4a785-m/mainboard.c
+++ b/src/mainboard/asus/m4a785-m/mainboard.c
@@ -195,44 +195,7 @@ static void m4a785m_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk(BIOS_INFO,
-           "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk(BIOS_INFO,
-           "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/asus/m5a88-v/mainboard.c 
b/src/mainboard/asus/m5a88-v/mainboard.c
index 291510c..008c2f9 100644
--- a/src/mainboard/asus/m5a88-v/mainboard.c
+++ b/src/mainboard/asus/m5a88-v/mainboard.c
@@ -80,45 +80,7 @@ static void m5a88pm_v_enable(device_t dev)
 
        printk(BIOS_INFO, "Mainboard ASUS M5A88-V Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        enable_int_gfx();
diff --git a/src/mainboard/avalue/eax-785e/mainboard.c 
b/src/mainboard/avalue/eax-785e/mainboard.c
index 89a0e96..f547342 100644
--- a/src/mainboard/avalue/eax-785e/mainboard.c
+++ b/src/mainboard/avalue/eax-785e/mainboard.c
@@ -83,45 +83,7 @@ static void eax_785e(device_t dev)
 
        printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " 
Enable.\n");
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        enable_int_gfx();
diff --git a/src/mainboard/gigabyte/ma785gm/mainboard.c 
b/src/mainboard/gigabyte/ma785gm/mainboard.c
index ea3f27e..ced5a21 100644
--- a/src/mainboard/gigabyte/ma785gm/mainboard.c
+++ b/src/mainboard/gigabyte/ma785gm/mainboard.c
@@ -140,44 +140,7 @@ static void ma785gm_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard MA785GM-US2H Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk(BIOS_INFO,
-           "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk(BIOS_INFO,
-           "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/gigabyte/ma785gmt/mainboard.c 
b/src/mainboard/gigabyte/ma785gmt/mainboard.c
index 174c08d..ab99c08 100644
--- a/src/mainboard/gigabyte/ma785gmt/mainboard.c
+++ b/src/mainboard/gigabyte/ma785gmt/mainboard.c
@@ -250,44 +250,7 @@ static void ma785gmt_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard MA785GMT-UD2H Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk(BIOS_INFO,
-           "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk(BIOS_INFO,
-           "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/gigabyte/ma78gm/mainboard.c 
b/src/mainboard/gigabyte/ma78gm/mainboard.c
index b81ebaa..3aec907 100644
--- a/src/mainboard/gigabyte/ma78gm/mainboard.c
+++ b/src/mainboard/gigabyte/ma78gm/mainboard.c
@@ -77,45 +77,7 @@ static void ma78gm_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard MA78GM-US2H Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/iei/kino-780am2-fam10/mainboard.c 
b/src/mainboard/iei/kino-780am2-fam10/mainboard.c
index 6d20523..3f0e9b1 100644
--- a/src/mainboard/iei/kino-780am2-fam10/mainboard.c
+++ b/src/mainboard/iei/kino-780am2-fam10/mainboard.c
@@ -59,45 +59,7 @@ static void kino_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard Kino Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/mainboard/jetway/pa78vm5/mainboard.c 
b/src/mainboard/jetway/pa78vm5/mainboard.c
index 329b4f6..019b5e3 100644
--- a/src/mainboard/jetway/pa78vm5/mainboard.c
+++ b/src/mainboard/jetway/pa78vm5/mainboard.c
@@ -106,45 +106,7 @@ static void pa78vm5_enable(device_t dev)
 {
        printk(BIOS_INFO, "Mainboard PA78VM5 Enable. dev=0x%p\n", dev);
 
-#if CONFIG_GFXUMA
-       msr_t msr, msr2;
-
-       /* TOP_MEM: the top of DRAM below 4G */
-       msr = rdmsr(TOP_MEM);
-       printk
-           (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
-            __func__, msr.lo, msr.hi);
-
-       /* TOP_MEM2: the top of DRAM above 4G */
-       msr2 = rdmsr(TOP_MEM2);
-       printk
-           (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
-            __func__, msr2.lo, msr2.hi);
-
-       /* refer to UMA Size Consideration in 780 BDG. */
-       switch (msr.lo) {
-       case 0x10000000:        /* 256M system memory */
-               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
-               break;
-
-       case 0x20000000:        /* 512M system memory */
-               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-               break;
-
-       default:                /* 1GB and above system memory */
-               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
-               break;
-       }
-
-       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
-       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
-                   __func__, uma_memory_size, uma_memory_base);
-
-       /* TODO: TOP_MEM2 */
-#else
-       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
-       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
-#endif
+       setup_uma_memory();
 
        set_pcie_dereset();
        /* get_ide_dma66(); */
diff --git a/src/northbridge/amd/amdfam10/northbridge.c 
b/src/northbridge/amd/amdfam10/northbridge.c
index 41434e8..2c9b6a2 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -30,6 +30,7 @@
 #include <cpu/cpu.h>
 
 #include <cpu/x86/lapic.h>
+#include <cpu/amd/mtrr.h>
 
 #if CONFIG_LOGICAL_CPUS
 #include <cpu/amd/multicore.h>
@@ -847,6 +848,49 @@ static void disable_hoist_memory(unsigned long 
hole_startk, int node_id)
 #include <cbmem.h>
 #endif
 
+void setup_uma_memory(void)
+{
+#if CONFIG_GFXUMA
+       msr_t msr, msr2;
+
+       /* TOP_MEM: the top of DRAM below 4G */
+       msr = rdmsr(TOP_MEM);
+       printk(BIOS_INFO,
+           "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
+            __func__, msr.lo, msr.hi);
+
+       /* TOP_MEM2: the top of DRAM above 4G */
+       msr2 = rdmsr(TOP_MEM2);
+       printk(BIOS_INFO,
+           "%s, TOP MEM2: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
+            __func__, msr2.lo, msr2.hi);
+
+       /* refer to UMA Size Consideration in 780 BDG. */
+       switch (msr.lo) {
+       case 0x10000000:        /* 256M system memory */
+               uma_memory_size = 0x4000000;    /* 64M recommended UMA */
+               break;
+
+       case 0x20000000:        /* 512M system memory */
+               uma_memory_size = 0x8000000;    /* 128M recommended UMA */
+               break;
+
+       default:                /* 1GB and above system memory */
+               uma_memory_size = 0x10000000;   /* 256M recommended UMA */
+               break;
+       }
+
+       uma_memory_base = msr.lo - uma_memory_size;     /* TOP_MEM1 */
+       printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
+                   __func__, uma_memory_size, uma_memory_base);
+
+       /* TODO: TOP_MEM2 */
+#else
+       uma_memory_size = 0x8000000;    /* 128M recommended UMA */
+       uma_memory_base = 0x38000000;   /* 1GB  system memory supposed */
+#endif
+}
+
 static void amdfam10_domain_set_resources(device_t dev)
 {
 #if CONFIG_PCI_64BIT_PREF_MEM

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