diff options
| author | Vladimir Serbinenko <phcoder@gmail.com> | 2014-08-03 01:59:38 +0200 |
|---|---|---|
| committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-08-03 13:44:40 +0200 |
| commit | 5fc04d1fdd2d4c763ba39c3d90e487e9f773b122 (patch) | |
| tree | dc52c1353822be15d6026799741c8b38ee68ae78 /src/northbridge | |
| parent | 96639fb7db099dbaad4e70dd5179cd6f2f636b57 (diff) | |
sandy/ivybridge: Make UMA size configurable.
Change-Id: I9aa3652d1b92cece01d024e19bdc065797896001
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6470
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/early_init.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/early_init.c b/src/northbridge/intel/sandybridge/early_init.c index d688f5b5a1..d1d35dbab2 100644 --- a/src/northbridge/intel/sandybridge/early_init.c +++ b/src/northbridge/intel/sandybridge/early_init.c @@ -24,6 +24,7 @@ #include <arch/io.h> #include <device/pci_def.h> #include <elog.h> +#include <pc80/mc146818rtc.h> #include "sandybridge.h" static void sandybridge_setup_bars(void) @@ -83,6 +84,7 @@ static void sandybridge_setup_graphics(void) u32 reg32; u16 reg16; u8 reg8; + u8 gfxsize; reg16 = pci_read_config16(PCI_DEV(0,2,0), PCI_DEVICE_ID); switch (reg16) { @@ -103,10 +105,13 @@ static void sandybridge_setup_graphics(void) printk(BIOS_DEBUG, "Initializing Graphics...\n"); - /* Setup IGD memory by setting GGC[7:3] = 1 for 32MB */ + if (get_option(&gfxsize, "gfx_uma_size") != CB_SUCCESS) { + /* Setup IGD memory by setting GGC[7:3] = 1 for 32MB */ + gfxsize = 0; + } reg16 = pci_read_config16(PCI_DEV(0,0,0), GGC); reg16 &= ~0x00f8; - reg16 |= 1 << 3; + reg16 |= (gfxsize + 1) << 3; /* Program GTT memory by setting GGC[9:8] = 2MB */ reg16 &= ~0x0300; reg16 |= 2 << 8; |