coreboot-gerrit June 2014

coreboot-gerrit@coreboot.org

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Patch set updated for coreboot: 7082688 lenovo/t60: Enable native intel gfx init.
by Vladimir Serbinenko 01 Jun '14

01 Jun '14

Vladimir Serbinenko (phcoder(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5345 -gerrit commit 7082688cddcfb375066a9fcc18bfbec72bdf0aed Author: Vladimir Serbinenko <phcoder(a)gmail.com> Date: Tue Mar 4 18:08:26 2014 +0100 lenovo/t60: Enable native intel gfx init. Tested on T60 with intel graphics. Change-Id: Id74d0a1315749052e7313135242e6b64862aa5e1 Signed-off-by: Vladimir Serbinenko <phcoder(a)gmail.com> --- src/mainboard/lenovo/t60/Kconfig | 3 +++ src/mainboard/lenovo/t60/devicetree.cb | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/src/mainboard/lenovo/t60/Kconfig b/src/mainboard/lenovo/t60/Kconfig index a99cc2c..048db5b 100644 --- a/src/mainboard/lenovo/t60/Kconfig +++ b/src/mainboard/lenovo/t60/Kconfig @@ -19,9 +19,12 @@ config BOARD_SPECIFIC_OPTIONS # dummy select CHANNEL_XOR_RANDOMIZATION select HAVE_ACPI_TABLES select HAVE_ACPI_RESUME + select MAINBOARD_HAS_NATIVE_VGA_INIT select EARLY_CBMEM_INIT select H8_DOCK_EARLY_INIT select HAVE_CMOS_DEFAULT + select INTEL_EDID + config MAINBOARD_DIR string default lenovo/t60 diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb index f092380..54b7da3 100644 --- a/src/mainboard/lenovo/t60/devicetree.cb +++ b/src/mainboard/lenovo/t60/devicetree.cb @@ -22,6 +22,11 @@ chip northbridge/intel/i945 + register "gpu_hotplug" = "0x00000220" + register "gpu_lvds_use_spread_spectrum_clock" = "1" + register "gpu_lvds_is_dual_channel" = "1" + register "gpu_backlight" = "0x1280128" + device cpu_cluster 0 on chip cpu/intel/socket_mFCPGA478 device lapic 0 on end

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Patch set updated for coreboot: 34d0280 lenovo/t60: Implement intel VGA callbacks.
by Vladimir Serbinenko 01 Jun '14

01 Jun '14

Vladimir Serbinenko (phcoder(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5344 -gerrit commit 34d02806561e1a0bc1cdbe5c6b4b23a38a72045f Author: Vladimir Serbinenko <phcoder(a)gmail.com> Date: Tue Mar 4 17:43:57 2014 +0100 lenovo/t60: Implement intel VGA callbacks. Without it option ROM run results in just a black screen. Change-Id: Id203f55ca0f02c290a3f40ac1ec7c5f23c5580bf Signed-off-by: Vladimir Serbinenko <phcoder(a)gmail.com> --- src/mainboard/lenovo/t60/mainboard.c | 39 ++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/src/mainboard/lenovo/t60/mainboard.c b/src/mainboard/lenovo/t60/mainboard.c index 6f93dcf..ae6240b 100644 --- a/src/mainboard/lenovo/t60/mainboard.c +++ b/src/mainboard/lenovo/t60/mainboard.c @@ -34,8 +34,11 @@ #include <northbridge/intel/i945/i945.h> #include <pc80/mc146818rtc.h> #include <arch/x86/include/arch/acpigen.h> +#include <arch/interrupt.h> #include <smbios.h> #include <build.h> +#include <x86emu/x86emu.h> +#define PANEL INT15_5F35_CL_DISPLAY_DEFAULT static acpi_cstate_t cst_entries[] = { { 1, 1, 1000, { 0x7f, 1, 2, { 0 }, 1, 0 } }, @@ -43,6 +46,37 @@ static acpi_cstate_t cst_entries[] = { { 2, 17, 250, { 0x01, 8, 0, { 0 }, DEFAULT_PMBASE + LV3, 0 } }, }; +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE +static int int15_handler(void) +{ + /* The right way to do this is to move this handler code into + * the mainboard or northbridge code. + * TODO: completely move to mainboards / chipsets. + */ + printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", + __func__, X86_AX, X86_BX, X86_CX, X86_DX); + + switch (X86_AX) { + case 0x5f35: /* Boot Display */ + X86_AX = 0x005f; // Success + X86_CL = PANEL; + break; + case 0x5f40: /* Boot Panel Type */ + X86_AX = 0x005f; // Success + X86_CL = 3; + printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL); + break; + default: + /* Interrupt was not handled */ + printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); + return 0; + } + + /* Interrupt handled */ + return 1; +} +#endif + int get_cst_entries(acpi_cstate_t **entries) { *entries = cst_entries; @@ -63,6 +97,11 @@ static void mainboard_init(device_t dev) struct southbridge_intel_i82801gx_config *config; device_t dev0, idedev; +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE + /* Install custom int15 handler for VGA OPROM */ + mainboard_interrupt_handlers(0x15, &int15_handler); +#endif + /* If we're resuming from suspend, blink suspend LED */ dev0 = dev_find_slot(0, PCI_DEVFN(0,0)); if (dev0 && pci_read_config32(dev0, SKPAD) == SKPAD_ACPI_S3_MAGIC)

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coreboot-gerrit June 2014