Patch set updated for coreboot: Revert "mainboard/lenovo/t400: Add initial hybrid graphics support"
Patrick Rudolph (siro@das-labor.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12895
-gerrit
commit 3aa9b75275dbbc0d9f873fb5ddaa80988f13128a Author: Patrick Rudolph siro@das-labor.org Date: Mon Dec 28 13:21:43 2015 +0100
Revert "mainboard/lenovo/t400: Add initial hybrid graphics support"
This reverts commit 59597ead1f26d4c18997bda81b2ec33e52973b80. Will be replaced by lenovo common hybrid driver.
Change-Id: I994114734fa931926c34ed04305cddfbeb429b62 Signed-off-by: Patrick Rudolph siro@das-labor.org --- src/mainboard/lenovo/t400/cmos.default | 1 - src/mainboard/lenovo/t400/cmos.layout | 7 -- src/mainboard/lenovo/t400/romstage.c | 143 --------------------------------- 3 files changed, 151 deletions(-)
diff --git a/src/mainboard/lenovo/t400/cmos.default b/src/mainboard/lenovo/t400/cmos.default index 98ce970..ac9f96d 100644 --- a/src/mainboard/lenovo/t400/cmos.default +++ b/src/mainboard/lenovo/t400/cmos.default @@ -13,4 +13,3 @@ sticky_fn=Disable power_management_beeps=Enable low_battery_beep=Enable sata_mode=AHCI -hybrid_graphics_mode=Integrated Only \ No newline at end of file diff --git a/src/mainboard/lenovo/t400/cmos.layout b/src/mainboard/lenovo/t400/cmos.layout index 8e642f8..0c12458 100644 --- a/src/mainboard/lenovo/t400/cmos.layout +++ b/src/mainboard/lenovo/t400/cmos.layout @@ -79,10 +79,6 @@ entries # coreboot config options: northbridge 941 3 e 11 gfx_uma_size
-# coreboot config options: graphics -944 2 e 12 hybrid_graphics_mode -#946 6 r 0 unused - # coreboot config options: EC 952 8 h 0 volume
@@ -136,9 +132,6 @@ enumerations 11 3 128M 11 5 96M 11 6 160M -12 0 Integrated Only -12 1 Discrete Only -12 2 Switchable
# ----------------------------------------------------------------- checksums diff --git a/src/mainboard/lenovo/t400/romstage.c b/src/mainboard/lenovo/t400/romstage.c index 147131f..486b738 100644 --- a/src/mainboard/lenovo/t400/romstage.c +++ b/src/mainboard/lenovo/t400/romstage.c @@ -1,7 +1,6 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2015 Timothy Pearson tpearson@raptorengineeringinc.com, Raptor Engineering * Copyright (C) 2012 secunet Security Networks AG * * This program is free software; you can redistribute it and/or @@ -34,118 +33,6 @@ #define LPC_DEV PCI_DEV(0, 0x1f, 0) #define MCH_DEV PCI_DEV(0, 0, 0)
-#define HYBRID_GRAPHICS_INTEGRATED_ONLY 0 -#define HYBRID_GRAPHICS_DISCRETE_ONLY 1 -#define HYBRID_GRAPHICS_SWITCHABLE 2 - -#define HYBRID_GRAPHICS_GP_LVL_BITS 0x004a0000 -#define HYBRID_GRAPHICS_GP_LVL2_BITS 0x00020000 - -#define HYBRID_GRAPHICS_DETECT_GP_BITS 0x00000010 - -#define HYBRID_GRAPHICS_INT_CLAIM_VGA 0x2 -#define HYBRID_GRAPHICS_SEC_VGA_EN 0x2 - -static void hybrid_graphics_configure_switchable_graphics(bool enable) -{ - uint32_t tmp; - - if (enable) { - /* Disable integrated graphics legacy VGA cycles */ - tmp = pci_read_config16(MCH_DEV, D0F0_GGC); - pci_write_config16(MCH_DEV, D0F0_GGC, tmp | HYBRID_GRAPHICS_INT_CLAIM_VGA); - - /* Enable secondary VGA controller */ - tmp = pci_read_config16(MCH_DEV, D0F0_DEVEN); - pci_write_config16(MCH_DEV, D0F0_DEVEN, tmp | HYBRID_GRAPHICS_SEC_VGA_EN); - } - else { - /* Enable integrated graphics legacy VGA cycles */ - tmp = pci_read_config16(MCH_DEV, D0F0_GGC); - pci_write_config16(MCH_DEV, D0F0_GGC, tmp & ~HYBRID_GRAPHICS_INT_CLAIM_VGA); - - /* Disable secondary VGA controller */ - tmp = pci_read_config16(MCH_DEV, D0F0_DEVEN); - pci_write_config16(MCH_DEV, D0F0_DEVEN, tmp & ~HYBRID_GRAPHICS_SEC_VGA_EN); - } -} - -static void hybrid_graphics_set_up_gpio(void) -{ - uint32_t tmp; - - /* Enable hybrid graphics GPIO lines */ - tmp = inl(DEFAULT_GPIOBASE + GP_IO_USE_SEL); - tmp = tmp | HYBRID_GRAPHICS_GP_LVL_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_IO_USE_SEL); - - tmp = inl(DEFAULT_GPIOBASE + GP_IO_USE_SEL2); - tmp = tmp | HYBRID_GRAPHICS_GP_LVL2_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_IO_USE_SEL2); - - /* Set hybrid graphics control GPIO lines to output */ - tmp = inl(DEFAULT_GPIOBASE + GP_IO_SEL); - tmp = tmp & ~HYBRID_GRAPHICS_GP_LVL_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_IO_SEL); - - tmp = inl(DEFAULT_GPIOBASE + GP_IO_SEL2); - tmp = tmp & ~HYBRID_GRAPHICS_GP_LVL2_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_IO_SEL2); - - /* Set hybrid graphics detect GPIO lines to input */ - tmp = inl(DEFAULT_GPIOBASE + GP_IO_SEL); - tmp = tmp | HYBRID_GRAPHICS_DETECT_GP_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_IO_SEL); -} - -static bool hybrid_graphics_installed(void) -{ - if (inl(DEFAULT_GPIOBASE + GP_LVL) & HYBRID_GRAPHICS_DETECT_GP_BITS) - return false; - else - return true; -} - -static void hybrid_graphics_switch_to_integrated_graphics(void) -{ - uint32_t tmp; - - /* Disable switchable graphics */ - hybrid_graphics_configure_switchable_graphics(false); - - /* Configure muxes */ - tmp = inl(DEFAULT_GPIOBASE + GP_LVL); - tmp = tmp & ~HYBRID_GRAPHICS_GP_LVL_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_LVL); - - tmp = inl(DEFAULT_GPIOBASE + GP_LVL2); - tmp = tmp & ~HYBRID_GRAPHICS_GP_LVL2_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_LVL2); -} - -static void hybrid_graphics_switch_to_discrete_graphics(void) -{ - uint32_t tmp; - - /* Disable switchable graphics */ - hybrid_graphics_configure_switchable_graphics(false); - - /* Configure muxes */ - tmp = inl(DEFAULT_GPIOBASE + GP_LVL); - tmp = tmp | HYBRID_GRAPHICS_GP_LVL_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_LVL); - - tmp = inl(DEFAULT_GPIOBASE + GP_LVL2); - tmp = tmp | HYBRID_GRAPHICS_GP_LVL2_BITS; - outl(tmp, DEFAULT_GPIOBASE + GP_LVL2); -} - -static void hybrid_graphics_switch_to_dual_graphics(void) -{ - /* Enable switchable graphics */ - hybrid_graphics_configure_switchable_graphics(true); -} - static void default_southbridge_gpio_setup(void) { outl(0x197e23fe, DEFAULT_GPIOBASE + GP_IO_USE_SEL); @@ -207,31 +94,6 @@ void main(unsigned long bist)
default_southbridge_gpio_setup();
- uint8_t hybrid_graphics_mode = HYBRID_GRAPHICS_INTEGRATED_ONLY; - get_option(&hybrid_graphics_mode, "hybrid_graphics_mode"); - - /* Set up hybrid graphics */ - hybrid_graphics_set_up_gpio(); - if (hybrid_graphics_installed()) { - /* Select appropriate hybrid graphics device */ - printk(BIOS_DEBUG, "Hybrid graphics available, setting mode %d\n", hybrid_graphics_mode); - if (hybrid_graphics_mode == HYBRID_GRAPHICS_INTEGRATED_ONLY) - hybrid_graphics_switch_to_integrated_graphics(); - else if (hybrid_graphics_mode == HYBRID_GRAPHICS_DISCRETE_ONLY) - hybrid_graphics_switch_to_discrete_graphics(); - else if (hybrid_graphics_mode == HYBRID_GRAPHICS_SWITCHABLE) - hybrid_graphics_switch_to_integrated_graphics(); - /* Switchable graphics are fully enabled after raminit */ - /* FIXME - * Enabling switchable graphics prevents bootup! - * Debug and fix appropriately... - */ - } - else { - printk(BIOS_DEBUG, "Hybrid graphics not installed\n"); - hybrid_graphics_switch_to_integrated_graphics(); - } - /* ASPM related setting, set early by original BIOS. */ DMIBAR16(0x204) &= ~(3 << 10);
@@ -311,11 +173,6 @@ void main(unsigned long bist) outl(inl(DEFAULT_GPIOBASE + 0x38) & ~0x400, DEFAULT_GPIOBASE + 0x38);
cbmem_initted = !cbmem_recovery(s3resume); - - if (hybrid_graphics_installed()) - if (hybrid_graphics_mode == HYBRID_GRAPHICS_SWITCHABLE) - hybrid_graphics_switch_to_dual_graphics(); - #if CONFIG_HAVE_ACPI_RESUME /* If there is no high memory area, we didn't boot before, so * this is not a resume. In that case we just create the cbmem toc.
-
Patrick Rudolph