New patch to review for coreboot: 7fc1ce8 northbridge/intel/i945: Add define for register `BSM` and use it

[Paul Menzel]

Paul Menzel ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5884

-gerrit

commit 7fc1ce8c81d8e9f1eebaa8fbf17885cf3c7a9315
Author: Paul Menzel 
Date:   Fri May 30 13:58:59 2014 +0200

northbridge/intel/i945: Add define for register `BSM` and use it

Add a define for the register Base of Stolen Memory (BSM) and use it.

Change-Id: I5b1df4e088d88344fac8cd8d218e76b08a885f58
    Signed-off-by: Paul Menzel 
---
 src/northbridge/intel/i945/i945.h        | 2 ++
 src/northbridge/intel/i945/northbridge.c | 2 +-
 src/northbridge/intel/i945/ram_calc.c    | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/northbridge/intel/i945/i945.h b/src/northbridge/intel/i945/i945.h
index 862af2a..d4d35a2 100644
--- a/src/northbridge/intel/i945/i945.h
+++ b/src/northbridge/intel/i945/i945.h
@@ -62,6 +62,8 @@
 #define BOARD_DEVEN ( DEVEN_D0F0 | DEVEN_D2F0 | DEVEN_D2F1 )
 #endif

+#define BSM		0x5c
+
 #define PAM0		0x90
 #define PAM1		0x91
 #define PAM2		0x92
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c
index 180ffde..99b16de 100644
--- a/src/northbridge/intel/i945/northbridge.c
+++ b/src/northbridge/intel/i945/northbridge.c
@@ -97,7 +97,7 @@ static void pci_domain_set_resources(device_t dev)
    printk(BIOS_DEBUG, "pci_tolm: 0x%x\n", pci_tolm);

printk(BIOS_SPEW, "Base of stolen memory: 0x%08x\n",
-		    pci_read_config32(dev_find_slot(0, PCI_DEVFN(2, 0)), 0x5c));
+		    pci_read_config32(dev_find_slot(0, PCI_DEVFN(2, 0)), BSM));

tolud = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), 0x9c);
    printk(BIOS_SPEW, "Top of Low Used DRAM: 0x%08x\n", tolud << 24);
diff --git a/src/northbridge/intel/i945/ram_calc.c b/src/northbridge/intel/i945/ram_calc.c
index 4ece540..51eb0ff 100644
--- a/src/northbridge/intel/i945/ram_calc.c
+++ b/src/northbridge/intel/i945/ram_calc.c
@@ -30,7 +30,7 @@ unsigned long get_top_of_ram(void)

if (pci_read_config8(PCI_DEV(0, 0x0, 0), DEVEN) & ((1 << 4) | (1 << 3))) {
    	/* IGD enabled, get top of Memory from BSM register */
-		tom = pci_read_config32(PCI_DEV(0,2,0), 0x5c);
+		tom = pci_read_config32(PCI_DEV(0,2,0), BSM);
    } else {
    	tom = (pci_read_config8(PCI_DEV(0,0,0), TOLUD) & 0xf7) << 24;
    }