diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2019-06-13 22:11:46 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2019-06-16 07:21:18 +0000 |
| commit | 64e668051c087289ea012eb0f637d2d396af5d6e (patch) | |
| tree | 548cd44480a486e6a0cbcab41342f421d540acda /src | |
| parent | 2f5abf058e031d5f73213b75424f1f8f4832b2b5 (diff) | |
soc/intel/common: Fix booting issue without default IGD enabled
This patch ensures to boot platform without onboard GFX (PCI B0:D2:F0)
enabled from mainboard devicetree.cb.
TEST=Previously platform was dying at "GMADR is not programmed!" with
IGD disabled.
Change-Id: I8c907ee25db4538a84890f2ccc3187afa86604b8
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33449
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/common/block/graphics/graphics.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c index 4cea21b075..ed9ae00bf8 100644 --- a/src/soc/intel/common/block/graphics/graphics.c +++ b/src/soc/intel/common/block/graphics/graphics.c @@ -33,15 +33,18 @@ __weak void graphics_soc_init(struct device *dev) pci_dev_init(dev); } -static uintptr_t graphics_get_bar(unsigned long index) +static int is_graphics_disabled(struct device *dev) { - struct device *dev = SA_DEV_IGD; - struct resource *gm_res; - assert(dev != NULL); - /* Check if Graphics PCI device is disabled */ if (!dev || !dev->enabled) - return 0; + return 1; + + return 0; +} + +static uintptr_t graphics_get_bar(struct device *dev, unsigned long index) +{ + struct resource *gm_res; gm_res = find_resource(dev, index); if (!gm_res) @@ -52,11 +55,16 @@ static uintptr_t graphics_get_bar(unsigned long index) uintptr_t graphics_get_memory_base(void) { + uintptr_t memory_base; + struct device *dev = SA_DEV_IGD; + + if (is_graphics_disabled(dev)) + return 0; /* * GFX PCI config space offset 0x18 know as Graphics * Memory Range Address (GMADR) */ - uintptr_t memory_base = graphics_get_bar(PCI_BASE_ADDRESS_2); + memory_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_2); if (!memory_base) die_with_post_code(POST_HW_INIT_FAILURE, "GMADR is not programmed!"); @@ -66,14 +74,18 @@ uintptr_t graphics_get_memory_base(void) static uintptr_t graphics_get_gtt_base(void) { + static uintptr_t gtt_base; + struct device *dev = SA_DEV_IGD; + + if (is_graphics_disabled(dev)) + die("IGD is disabled!"); /* * GFX PCI config space offset 0x10 know as Graphics * Translation Table Memory Mapped Range Address * (GTTMMADR) */ - static uintptr_t gtt_base; if (!gtt_base) { - gtt_base = graphics_get_bar(PCI_BASE_ADDRESS_0); + gtt_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_0); if (!gtt_base) die_with_post_code(POST_HW_INIT_FAILURE, "GTTMMADR is not programmed!"); |