diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/boot/coreboot_table.c | 2 | ||||
| -rw-r--r-- | src/cpu/x86/mtrr/mtrr.c | 2 | ||||
| -rw-r--r-- | src/device/Kconfig | 32 | ||||
| -rw-r--r-- | src/include/cpu/x86/mtrr.h | 7 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/gma.c | 47 |
5 files changed, 73 insertions, 17 deletions
diff --git a/src/arch/x86/boot/coreboot_table.c b/src/arch/x86/boot/coreboot_table.c index ebeef2dd29..ab0f7ef821 100644 --- a/src/arch/x86/boot/coreboot_table.c +++ b/src/arch/x86/boot/coreboot_table.c @@ -172,7 +172,7 @@ static void lb_console(struct lb_header *header) static void lb_framebuffer(struct lb_header *header) { -#if CONFIG_FRAMEBUFFER_KEEP_VESA_MODE +#if CONFIG_FRAMEBUFFER_KEEP_VESA_MODE || CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT void fill_lb_framebuffer(struct lb_framebuffer *framebuffer); int vbe_mode_info_valid(void); diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c index a061b54094..5051904a4d 100644 --- a/src/cpu/x86/mtrr/mtrr.c +++ b/src/cpu/x86/mtrr/mtrr.c @@ -83,7 +83,7 @@ static void enable_var_mtrr(void) } /* setting variable mtrr, comes from linux kernel source */ -static void set_var_mtrr( +void set_var_mtrr( unsigned int reg, unsigned long basek, unsigned long sizek, unsigned char type, unsigned address_bits) { diff --git a/src/device/Kconfig b/src/device/Kconfig index 8e1265f4ae..159bc0e76b 100644 --- a/src/device/Kconfig +++ b/src/device/Kconfig @@ -19,12 +19,29 @@ ## menu "Devices" + +# Only set this in the mainboard +config MAINBOARD_HAS_NATIVE_VGA_INIT + bool + default n + +config MAINBOARD_DO_NATIVE_VGA_INIT + bool "Use native graphics initialization" + depends on MAINBOARD_HAS_NATIVE_VGA_INIT + default n + help + Some mainboards, such as the Google Link, allow initializing the display + without the need of a binary only VGA OPROM. Enabling this option may be + faster, but also lack flexibility in setting modes. + + If unsure, say N. + # TODO: Explain differences (if any) for onboard cards. config VGA_ROM_RUN bool "Run VGA Option ROMs" default n if PAYLOAD_SEABIOS default y if !PAYLOAD_SEABIOS - depends on PCI && !PAYLOAD_SEABIOS || EXPERT + depends on PCI && !PAYLOAD_SEABIOS && !MAINBOARD_DO_NATIVE_VGA_INIT || EXPERT help Execute VGA Option ROMs in coreboot if found. This is required to enable PCI/AGP/PCI-E video cards when not using a SeaBIOS @@ -282,19 +299,19 @@ config MBI_FILE endmenu menu "Display" - depends on PCI_OPTION_ROM_RUN_YABEL || PCI_OPTION_ROM_RUN_REALMODE + depends on PCI_OPTION_ROM_RUN_YABEL || PCI_OPTION_ROM_RUN_REALMODE || MAINBOARD_DO_NATIVE_VGA_INIT config FRAMEBUFFER_SET_VESA_MODE - prompt "Set VESA framebuffer mode" + prompt "Set framebuffer graphics resolution" bool depends on PCI_OPTION_ROM_RUN_YABEL || PCI_OPTION_ROM_RUN_REALMODE help - Set VESA framebuffer mode (needed for bootsplash) + Set VESA/native framebuffer mode (needed for bootsplash and graphical framebuffer console) choice - prompt "VESA framebuffer video mode" + prompt "framebuffer graphics resolution" default FRAMEBUFFER_VESA_MODE_117 - depends on FRAMEBUFFER_SET_VESA_MODE + depends on FRAMEBUFFER_SET_VESA_MODE || MAINBOARD_DO_NATIVE_VGA_INIT help This option sets the resolution used for the coreboot framebuffer (and bootsplash screen). @@ -385,6 +402,7 @@ config FRAMEBUFFER_VESA_MODE_11B config FRAMEBUFFER_VESA_MODE_USER bool "Manually select VESA mode" + depends on !MAINBOARD_DO_NATIVE_VGA_INIT endchoice @@ -425,7 +443,7 @@ config FRAMEBUFFER_VESA_MODE config FRAMEBUFFER_KEEP_VESA_MODE prompt "Keep VESA framebuffer" bool - depends on PCI_OPTION_ROM_RUN_YABEL || PCI_OPTION_ROM_RUN_REALMODE + depends on PCI_OPTION_ROM_RUN_YABEL || PCI_OPTION_ROM_RUN_REALMODE || !MAINBOARD_DO_NATIVE_VGA_INIT help This option keeps the framebuffer mode set after coreboot finishes execution. If this option is enabled, coreboot will pass a diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h index 58bee0412d..dcb7075e49 100644 --- a/src/include/cpu/x86/mtrr.h +++ b/src/include/cpu/x86/mtrr.h @@ -40,6 +40,13 @@ #if !defined (__ASSEMBLER__) && !defined(__PRE_RAM__) #include <device/device.h> +/* You should almost NEVER use this function. + * N.B. We worked on a lot of ways to make this continue as static, + * but just making it available ended up being the simplest solution. + */ +void set_var_mtrr( + unsigned int reg, unsigned long basek, unsigned long sizek, + unsigned char type, unsigned address_bits); void enable_fixed_mtrr(void); void x86_setup_var_mtrrs(unsigned int address_bits, unsigned int above4gb); void x86_setup_mtrrs(void); diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c index f35299e225..4a043ebb35 100644 --- a/src/northbridge/intel/sandybridge/gma.c +++ b/src/northbridge/intel/sandybridge/gma.c @@ -23,6 +23,9 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/mtrr.h> #include "chip.h" #include "sandybridge.h" @@ -619,20 +622,47 @@ static void gma_pm_init_post_vbios(struct device *dev) static void gma_func0_init(struct device *dev) { u32 reg32; + u32 graphics_base, graphics_size; /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; pci_write_config32(dev, PCI_COMMAND, reg32); + /* Set up an MTRR for the graphics memory BAR to vastly improve + * speed of VGA initialization (and later access). To stay out of + * the way of the MTRR init code, we are using MTRR #8 to cover + * that range. + */ + graphics_base = dev->resource_list[1].base; + graphics_size = dev->resource_list[1].size; + printk(BIOS_DEBUG, "Setting up MTRR for graphics 0x%08x (%dK)\n", + graphics_base, graphics_size / 1024); + set_var_mtrr(8, graphics_base >> 10, graphics_size >> 10, + MTRR_TYPE_WRCOMB, 0x24); + /* Init graphics power management */ gma_pm_init_pre_vbios(dev); +#if !CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT /* PCI Init, will run VBIOS */ pci_dev_init(dev); +#endif /* Post VBIOS init */ gma_pm_init_post_vbios(dev); + +#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT + /* This should probably run before post VBIOS init. */ + printk(BIOS_SPEW, "Initializing VGA without OPROM.\n"); + u32 iobase, mmiobase, physbase; + iobase = dev->resource_list[2].base; + mmiobase = dev->resource_list[0].base; + physbase = pci_read_config32(dev, 0x5c) & ~0xf; + + int i915lightup(u32 physbase, u32 iobase, u32 mmiobase, u32 gfx); + i915lightup(physbase, iobase, mmiobase, graphics_base); +#endif } static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device) @@ -660,12 +690,13 @@ static struct device_operations gma_func0_ops = { .ops_pci = &gma_pci_ops, }; -static const unsigned short gma_ids[] = { - 0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x0156, 0x166, - 0, -}; -static const struct pci_driver gma_gt1_desktop __pci_driver = { - .ops = &gma_func0_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices= gma_ids, +static const unsigned short pci_device_ids[] = { 0x0102, 0x0106, 0x010a, 0x0112, + 0x0116, 0x0122, 0x0126, 0x0156, + 0x0166, + 0 }; + +static const struct pci_driver gma __pci_driver = { + .ops = &gma_func0_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, }; |