gma: Introduce `PCH_Type`
We got this far without it but now there is a PCH (Cannon Point)
that is not fully compatible to its predecessors but works with
the same CPUs. First, introduce the type and make use of it in a
few cases. In a follow-up, we'll add the new PCH.
Change-Id: I9d4965f110da3613749023143cf75123e63ae76e
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/48762
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/configs/ironlake b/configs/ironlake
index 494b505..10e9c7b 100644
--- a/configs/ironlake
+++ b/configs/ironlake
@@ -1,5 +1,6 @@
CONFIG_GFX_GMA_DYN_CPU = y
CONFIG_GFX_GMA_GENERATION = Ironlake
+CONFIG_GFX_GMA_PCH = Ibex_Peak
CONFIG_GFX_GMA_PANEL_1_PORT = LVDS
CONFIG_GFX_GMA_ANALOG_I2C_PORT = PCH_DAC
CONFIG_GFX_GMA_DEFAULT_MMIO = 16\#e000_0000\#