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author | Nico Huber <nico.huber@secunet.com> | 2016-11-07 17:24:47 +0100 |
---|---|---|
committer | Nico Huber <nico.h@gmx.de> | 2016-12-19 16:00:22 +0100 |
commit | 66203df660ad2230389597a942f5252074a33aac (patch) | |
tree | f31617883aa0d7e18d9cc705cde37d28c6ffa58a /src/drivers/intel | |
parent | dcd2f17ff47cc1a4b26f253fb11a991cfe4ff6f5 (diff) | |
download | coreboot-66203df660ad2230389597a942f5252074a33aac.tar.xz |
drivers/intel/gma: Add textmode support with libgfxinit
Add an alternative gfxinit implementation for textmode. The legacy VGA
plane and textmode is configured through coreboot provided functions.
libgfxinit uses this plane as alternative to the usual high resolution
plane.
Change-Id: Iad0754c50fc6faec35f49583fe1c7cb50ac6c0c5
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17279
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/drivers/intel')
-rw-r--r-- | src/drivers/intel/gma/Makefile.inc | 6 | ||||
-rw-r--r-- | src/drivers/intel/gma/hires_fb/gma.adb (renamed from src/drivers/intel/gma/gma.adb) | 0 | ||||
-rw-r--r-- | src/drivers/intel/gma/text_fb/gma.adb | 75 |
3 files changed, 80 insertions, 1 deletions
diff --git a/src/drivers/intel/gma/Makefile.inc b/src/drivers/intel/gma/Makefile.inc index a4e007c373..d4d6c08842 100644 --- a/src/drivers/intel/gma/Makefile.inc +++ b/src/drivers/intel/gma/Makefile.inc @@ -40,6 +40,10 @@ CONFIG_GFX_GMA_DEFAULT_MMIO := 0 # dummy, will be overwritten at runtime subdirs-y += ../../../../3rdparty/libgfxinit ramstage-y += gma.ads -ramstage-y += gma.adb +ifeq ($(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE),y) +ramstage-y += hires_fb/gma.adb +else +ramstage-y += text_fb/gma.adb +endif endif # CONFIG_MAINBOARD_USE_LIBGFXINIT diff --git a/src/drivers/intel/gma/gma.adb b/src/drivers/intel/gma/hires_fb/gma.adb index 7ebc4f88bc..7ebc4f88bc 100644 --- a/src/drivers/intel/gma/gma.adb +++ b/src/drivers/intel/gma/hires_fb/gma.adb diff --git a/src/drivers/intel/gma/text_fb/gma.adb b/src/drivers/intel/gma/text_fb/gma.adb new file mode 100644 index 0000000000..bbb6d74e3d --- /dev/null +++ b/src/drivers/intel/gma/text_fb/gma.adb @@ -0,0 +1,75 @@ +with HW.GFX; +with HW.GFX.GMA; + +use HW.GFX; +use HW.GFX.GMA; + +with GMA.Mainboard; + +package body GMA +is + + function vbe_mode_info_valid return Interfaces.C.int + is + begin + return 0; + end vbe_mode_info_valid; + + procedure fill_lb_framebuffer (framebuffer : out lb_framebuffer) + is + begin + null; + end fill_lb_framebuffer; + + ---------------------------------------------------------------------------- + + procedure gfxinit + (mmio_base : in word64; + linear_fb : in word64; + phys_fb : in word32; + lightup_ok : out Interfaces.C.int) + is + ports : Port_List; + configs : Configs_Type; + + success : boolean; + + -- from pc80/vga driver + procedure vga_io_init; + pragma Import (C, vga_io_init, "vga_io_init"); + procedure vga_textmode_init; + pragma Import (C, vga_textmode_init, "vga_textmode_init"); + begin + lightup_ok := 0; + + HW.GFX.GMA.Initialize + (MMIO_Base => mmio_base, + Success => success); + + if success then + ports := Mainboard.ports; + HW.GFX.GMA.Scan_Ports + (Configs => configs, + Ports => ports, + Max_Pipe => Primary); + + if configs (Primary).Port /= Disabled then + vga_io_init; + vga_textmode_init; + + configs (Primary).Framebuffer := + (Width => 640, + Height => 400, + BPC => Auto_BPC, -- ignored for VGA plane + Stride => 320, -- ignored + Offset => VGA_PLANE_FRAMEBUFFER_OFFSET); + + HW.GFX.GMA.Dump_Configs (configs); + HW.GFX.GMA.Update_Outputs (configs); + + lightup_ok := 1; + end if; + end if; + end gfxinit; + +end GMA; |