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authorKeith Packard <keithp@keithp.com>2009-06-11 22:28:56 -0700
committerKeith Packard <keithp@keithp.com>2009-06-18 15:54:11 -0700
commitb11248df4c0decb1e473d5025f237be32c0f67bb (patch)
tree6251c3354774fa24945bc99aaa24d7e7f4b760b5 /drivers/gpu
parente4b366996bc58a02b9dc35db3ef83f0454553f50 (diff)
drm/i915: Add CLKCFG register definition
The CLKCFG register holds information about the GMCH plls and input clock values. Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f6237a0b113..544d5677a2f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -569,6 +569,19 @@
#define C0DRB3 0x10206
#define C1DRB3 0x10606
+/* Clocking configuration register */
+#define CLKCFG 0x10c00
+#define CLKCFG_FSB_400 (0 << 0) /* hrawclk 100 */
+#define CLKCFG_FSB_533 (1 << 0) /* hrawclk 133 */
+#define CLKCFG_FSB_667 (3 << 0) /* hrawclk 166 */
+#define CLKCFG_FSB_800 (2 << 0) /* hrawclk 200 */
+#define CLKCFG_FSB_1067 (6 << 0) /* hrawclk 266 */
+#define CLKCFG_FSB_1333 (7 << 0) /* hrawclk 333 */
+/* this is a guess, could be 5 as well */
+#define CLKCFG_FSB_1600 (4 << 0) /* hrawclk 400 */
+#define CLKCFG_FSB_1600_ALT (5 << 0) /* hrawclk 400 */
+#define CLKCFG_FSB_MASK (7 << 0)
+
/** GM965 GM45 render standby register */
#define MCHBAR_RENDER_STANDBY 0x111B8