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-rw-r--r--resources/libreboot/patch/gitdiff580
1 files changed, 0 insertions, 580 deletions
diff --git a/resources/libreboot/patch/gitdiff b/resources/libreboot/patch/gitdiff
deleted file mode 100644
index 9aec941..0000000
--- a/resources/libreboot/patch/gitdiff
+++ /dev/null
@@ -1,580 +0,0 @@
-diff --git a/src/drivers/Kconfig b/src/drivers/Kconfig
-index 874ec75..42d1583 100644
---- a/src/drivers/Kconfig
-+++ b/src/drivers/Kconfig
-@@ -26,6 +26,7 @@ source src/drivers/i2c/Kconfig
- source src/drivers/ics/Kconfig
- source src/drivers/intel/Kconfig
- source src/drivers/ipmi/Kconfig
-+source src/drivers/lenovo/Kconfig
- source src/drivers/maxim/Kconfig
- source src/drivers/parade/Kconfig
- if PC80_SYSTEM
-diff --git a/src/drivers/Makefile.inc b/src/drivers/Makefile.inc
-index 66fe7b8..cb26643 100644
---- a/src/drivers/Makefile.inc
-+++ b/src/drivers/Makefile.inc
-@@ -23,6 +23,7 @@ subdirs-y += emulation
- subdirs-y += generic
- subdirs-y += i2c
- subdirs-y += intel
-+subdirs-y += lenovo
- subdirs-y += maxim
- subdirs-y += net
- subdirs-y += parade
-diff --git a/src/drivers/lenovo/Kconfig b/src/drivers/lenovo/Kconfig
-index e69de29..30bacb9 100644
---- a/src/drivers/lenovo/Kconfig
-+++ b/src/drivers/lenovo/Kconfig
-@@ -0,0 +1,29 @@
-+config DRIVERS_LENOVO_WACOM
-+ bool
-+ default n
-+
-+if DRIVERS_LENOVO_WACOM
-+
-+choice
-+ prompt "Digitizer"
-+ default DIGITIZER_AUTODETECT
-+
-+config DIGITIZER_AUTODETECT
-+ bool "Autodetect"
-+ help
-+ The presence of digitizer is inferred from model number stored in
-+ AT24RF chip.
-+
-+config DIGITIZER_PRESENT
-+ bool "Present"
-+ help
-+ The digitizer is assumed to be present.
-+
-+config DIGITIZER_ABSENT
-+ bool "Absent"
-+ help
-+ The digitizer is assumed to be absent.
-+
-+endchoice
-+
-+endif
-diff --git a/src/drivers/lenovo/Makefile.inc b/src/drivers/lenovo/Makefile.inc
-index e69de29..c50db5b 100644
---- a/src/drivers/lenovo/Makefile.inc
-+++ b/src/drivers/lenovo/Makefile.inc
-@@ -0,0 +1 @@
-+ramstage-$(CONFIG_DRIVERS_LENOVO_WACOM) += wacom.c
-diff --git a/src/drivers/lenovo/lenovo.h b/src/drivers/lenovo/lenovo.h
-index e69de29..06b52e5 100644
---- a/src/drivers/lenovo/lenovo.h
-+++ b/src/drivers/lenovo/lenovo.h
-@@ -0,0 +1,4 @@
-+int drivers_lenovo_is_wacom_present(void);
-+void drivers_lenovo_serial_ports_ssdt_generate(const char *scope,
-+ int have_dock_serial,
-+ int have_infrared);
-diff --git a/src/drivers/lenovo/wacom.c b/src/drivers/lenovo/wacom.c
-index e69de29..ccccefd 100644
---- a/src/drivers/lenovo/wacom.c
-+++ b/src/drivers/lenovo/wacom.c
-@@ -0,0 +1,218 @@
-+/*
-+ * This file is part of the coreboot project.
-+ *
-+ * Copyright (C) 2014 Vladimir Serbinenko
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; version 2, or (at your
-+ * option) any later version, of the License.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-+ * MA 02110-1301 USA
-+ */
-+
-+#include <types.h>
-+#include <console/console.h>
-+#include <arch/acpi.h>
-+#include <arch/acpigen.h>
-+#include <device/device.h>
-+#include <device/pnp.h>
-+#include <string.h>
-+#include "lenovo.h"
-+#include "drivers/i2c/at24rf08c/lenovo.h"
-+
-+static const char tablet_numbers[][5] = {
-+ /* X60t. */
-+ "6363", "6364", "6365", "6366",
-+ "6367", "6368", "7762", "7763",
-+ "7764", "7767", "7768", "7769",
-+ /* X201t. */
-+ "0053", "0831", "2985", "3093",
-+ "3113", "3144", "3239", "4184",
-+ "7448", "7449", "7450", "7453",
-+ "2263", "2266",
-+};
-+
-+int
-+drivers_lenovo_is_wacom_present(void)
-+{
-+ const char *pn;
-+ int i;
-+ static int result = -1;
-+ device_t superio;
-+ u8 sioid;
-+
-+ if (result != -1)
-+ return result;
-+
-+ if (IS_ENABLED(CONFIG_DIGITIZER_PRESENT)) {
-+ printk (BIOS_INFO, "Digitizer state forced as present\n");
-+ return (result = 1);
-+ }
-+
-+ if (IS_ENABLED(CONFIG_DIGITIZER_ABSENT)) {
-+ printk (BIOS_INFO, "Digitizer state forced as absent\n");
-+ return (result = 0);
-+ }
-+
-+ superio = dev_find_slot_pnp (0x164e, 3);
-+ if (!superio) {
-+ printk (BIOS_INFO, "No Super I/O, skipping wacom\n");
-+ return (result = 0);
-+ }
-+
-+ /* Probe ID. */
-+ sioid = pnp_read_config(superio, 0x20);
-+ if (sioid == 0xff) {
-+ printk (BIOS_INFO, "Super I/O probe failed, skipping wacom\n");
-+ return (result = 0);
-+ }
-+
-+ pn = lenovo_mainboard_partnumber();
-+ if (!pn)
-+ return (result = 0);
-+ printk (BIOS_DEBUG, "Lenovo P/N is %s\n", pn);
-+ for (i = 0; i < ARRAY_SIZE (tablet_numbers); i++)
-+ if (memcmp (tablet_numbers[i], pn, 4) == 0) {
-+ printk (BIOS_DEBUG, "Lenovo P/N %s is a tablet\n", pn);
-+ return (result = 1);
-+ }
-+ printk (BIOS_DEBUG, "Lenovo P/N %s is not a tablet\n", pn);
-+ return (result = 0);
-+}
-+
-+void
-+drivers_lenovo_serial_ports_ssdt_generate(const char *scope,
-+ int have_dock_serial,
-+ int have_infrared)
-+{
-+ int scopelen, devicelen, reslen, methodlen;
-+
-+ scopelen = acpigen_write_scope(scope);
-+
-+ if (drivers_lenovo_is_wacom_present()) {
-+ /* Device op. */
-+ scopelen += acpigen_emit_byte(0x5b);
-+ scopelen += acpigen_emit_byte(0x82);
-+ devicelen = acpigen_write_len_f();
-+ devicelen += acpigen_emit_namestring("DTR");
-+
-+ devicelen += acpigen_write_name("_HID");
-+ devicelen += acpigen_emit_eisaid("WACF004");
-+
-+ devicelen += acpigen_write_name("_CRS");
-+
-+ reslen = acpigen_write_resourcetemplate_header();
-+ reslen += acpigen_write_io16(0x200, 0x200, 1, 8, 1);
-+ reslen += acpigen_write_irq((1 << 5));
-+
-+ devicelen += reslen;
-+ devicelen += acpigen_write_resourcetemplate_footer(reslen);
-+
-+ /* method op */
-+ devicelen += acpigen_emit_byte(0x14);
-+ methodlen = acpigen_write_len_f();
-+ methodlen += acpigen_emit_namestring("_STA");
-+ /* no fnarg */
-+ methodlen += acpigen_emit_byte(0x00);
-+ /* return */
-+ methodlen += acpigen_emit_byte(0xa4);
-+ methodlen += acpigen_write_byte(0xf);
-+
-+ acpigen_patch_len(methodlen);
-+ devicelen += methodlen;
-+
-+ acpigen_patch_len(devicelen - 1);
-+ scopelen += devicelen;
-+ }
-+
-+ if (have_infrared) {
-+ /* Device op. */
-+ scopelen += acpigen_emit_byte(0x5b);
-+ scopelen += acpigen_emit_byte(0x82);
-+ devicelen = acpigen_write_len_f();
-+ devicelen += acpigen_emit_namestring("FIR");
-+
-+ devicelen += acpigen_write_name("_HID");
-+ devicelen += acpigen_emit_eisaid("IBM0071");
-+ devicelen += acpigen_write_name("_CID");
-+ devicelen += acpigen_emit_eisaid("PNP0511");
-+ devicelen += acpigen_write_name("_UID");
-+
-+ /* One */
-+ devicelen += acpigen_write_byte(0x1);
-+ devicelen += acpigen_write_name("_CRS");
-+
-+ reslen = acpigen_write_resourcetemplate_header();
-+ reslen += acpigen_write_io16(0x2f8, 0x2f8, 1, 8, 1);
-+ reslen += acpigen_write_irq(0x08);
-+
-+ devicelen += reslen;
-+ devicelen += acpigen_write_resourcetemplate_footer(reslen);
-+
-+ /* method op */
-+ devicelen += acpigen_emit_byte(0x14);
-+ methodlen = acpigen_write_len_f();
-+ methodlen += acpigen_emit_namestring("_STA");
-+ /* no fnarg */
-+ methodlen += acpigen_emit_byte(0x00);
-+ /* return */
-+ methodlen += acpigen_emit_byte(0xa4);
-+ methodlen += acpigen_write_byte(0xf);
-+ acpigen_patch_len(methodlen);
-+
-+ devicelen += methodlen;
-+
-+ acpigen_patch_len(devicelen - 1);
-+ scopelen += devicelen;
-+ }
-+
-+ if (have_dock_serial) {
-+ /* Device op. */
-+ scopelen += acpigen_emit_byte(0x5b);
-+ scopelen += acpigen_emit_byte(0x82);
-+ devicelen = acpigen_write_len_f();
-+ devicelen += acpigen_emit_namestring("COMA");
-+
-+ devicelen += acpigen_write_name("_HID");
-+ devicelen += acpigen_emit_eisaid("PNP0501");
-+ devicelen += acpigen_write_name("_UID");
-+ /* Byte */
-+ devicelen += acpigen_write_byte(0x2);
-+
-+ devicelen += acpigen_write_name("_CRS");
-+
-+ reslen = acpigen_write_resourcetemplate_header();
-+ reslen += acpigen_write_io16(0x3f8, 0x3f8, 1, 8, 1);
-+ reslen += acpigen_write_irq(1 << 4);
-+
-+ devicelen += reslen;
-+ devicelen += acpigen_write_resourcetemplate_footer(reslen);
-+
-+ /* method op */
-+ devicelen += acpigen_emit_byte(0x14);
-+ methodlen = acpigen_write_len_f();
-+ methodlen += acpigen_emit_namestring("_STA");
-+ /* no fnarg */
-+ methodlen += acpigen_emit_byte(0x00);
-+ /* return */
-+ methodlen += acpigen_emit_byte(0xa4);
-+ methodlen += acpigen_write_byte(0xf);
-+ acpigen_patch_len(methodlen);
-+
-+ devicelen += methodlen;
-+
-+ acpigen_patch_len(devicelen - 1);
-+ scopelen += devicelen;
-+ }
-+
-+ acpigen_patch_len(scopelen - 1);
-+}
-diff --git a/src/mainboard/lenovo/Kconfig b/src/mainboard/lenovo/Kconfig
-index c1dec85..583efc8 100644
---- a/src/mainboard/lenovo/Kconfig
-+++ b/src/mainboard/lenovo/Kconfig
-@@ -4,7 +4,7 @@ choice
- prompt "Mainboard model"
-
- config BOARD_LENOVO_X60
-- bool "ThinkPad X60 / X60s"
-+ bool "ThinkPad X60 / X60s / X60t"
- help
- The following X60 series ThinkPad machines have been verified to
- work correctly:
-@@ -13,7 +13,7 @@ config BOARD_LENOVO_X60
- ThinkPad X60 (Model 1709)
-
- config BOARD_LENOVO_X201
-- bool "ThinkPad X201"
-+ bool "ThinkPad X201 / X201s / X201t"
- help
- Lenovo X201 laptop. Consult wiki for details.
-
-diff --git a/src/mainboard/lenovo/t60/acpi/superio.asl b/src/mainboard/lenovo/t60/acpi/superio.asl
-index e69de29..41137ce 100644
---- a/src/mainboard/lenovo/t60/acpi/superio.asl
-+++ b/src/mainboard/lenovo/t60/acpi/superio.asl
-@@ -0,0 +1,16 @@
-+ Device (FIR) // Infrared
-+ {
-+ Name(_HID, EISAID("IBM0071"))
-+ Name(_CID, EISAID("PNP0511"))
-+
-+ Name(_CRS, ResourceTemplate()
-+ {
-+ IO (Decode16, 0x2f8, 0x2f8, 0x01, 0x08)
-+ IRQNoFlags () {3}
-+ })
-+
-+ Method (_STA, 0)
-+ {
-+ Return (0xf)
-+ }
-+ }
-diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb
-index 54b7da3..f13cb3a 100644
---- a/src/mainboard/lenovo/t60/devicetree.cb
-+++ b/src/mainboard/lenovo/t60/devicetree.cb
-@@ -25,7 +25,7 @@ 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"
-+ register "gpu_backlight" = "0x58BF58BE"
-
- device cpu_cluster 0 on
- chip cpu/intel/socket_mFCPGA478
-@@ -153,6 +153,10 @@ chip northbridge/intel/i945
- chip superio/nsc/pc87382
- device pnp 164e.2 on # IR
- io 0x60 = 0x2f8
-+ irq 0x29 = 0xb0
-+ irq 0x70 = 0x3
-+ drq 0x74 = 0x1
-+ irq 0xf0 = 0x82
- end
-
- device pnp 164e.3 off # Serial Port
-diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c
-index dae917c..237e967 100644
---- a/src/mainboard/lenovo/t60/romstage.c
-+++ b/src/mainboard/lenovo/t60/romstage.c
-@@ -79,7 +79,7 @@ static void ich7_enable_lpc(void)
- // decode range
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0210);
- // decode range
-- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1f0d);
-+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1f0f);
-
- /* range 0x1600 - 0x167f */
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x84, 0x1601);
-diff --git a/src/mainboard/lenovo/x201/Kconfig b/src/mainboard/lenovo/x201/Kconfig
-index 50df47b..61038c4 100644
---- a/src/mainboard/lenovo/x201/Kconfig
-+++ b/src/mainboard/lenovo/x201/Kconfig
-@@ -17,6 +17,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy
- select EARLY_CBMEM_INIT
- select MAINBOARD_HAS_NATIVE_VGA_INIT
- select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
-+ select SUPERIO_NSC_PC87382
-+ select DRIVERS_LENOVO_WACOM
-
- config MAINBOARD_DIR
- string
-@@ -28,7 +30,7 @@ config MAINBOARD_PART_NUMBER
-
- config MAINBOARD_VERSION
- string
-- default "ThinkPad X201"
-+ default "ThinkPad X201 / X201s / X201t"
-
- config MAINBOARD_VENDOR
- string
-diff --git a/src/mainboard/lenovo/x201/acpi_tables.c b/src/mainboard/lenovo/x201/acpi_tables.c
-index 165de0d..710e369 100644
---- a/src/mainboard/lenovo/x201/acpi_tables.c
-+++ b/src/mainboard/lenovo/x201/acpi_tables.c
-@@ -31,6 +31,7 @@
- #include <device/pci.h>
- #include <device/pci_ids.h>
- #include "southbridge/intel/ibexpeak/nvs.h"
-+#include "drivers/lenovo/lenovo.h"
-
- extern const unsigned char AmlCode[];
- #if CONFIG_HAVE_ACPI_SLIC
-@@ -93,6 +94,7 @@ unsigned long acpi_fill_ssdt_generator(unsigned long current,
- const char *oem_table_id)
- {
- generate_cpu_entries();
-+ drivers_lenovo_serial_ports_ssdt_generate("\\_SB.PCI0.LPCB", 0, 0);
- return (unsigned long)(acpigen_get_current());
- }
-
-diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb
-index 9053f89..1db5bf0 100644
---- a/src/mainboard/lenovo/x201/devicetree.cb
-+++ b/src/mainboard/lenovo/x201/devicetree.cb
-@@ -143,6 +143,20 @@ chip northbridge/intel/nehalem
- end
- device pci 1f.0 on # PCI-LPC bridge
- subsystemid 0x17aa 0x2166
-+ chip superio/nsc/pc87382
-+ device pnp 164e.3 on # Digitizer
-+ io 0x60 = 0x200
-+ irq 0x29 = 0xb0
-+ irq 0x70 = 0x5
-+ irq 0xf0 = 0x82
-+ end
-+ # IR, not connected
-+ device pnp 164e.2 off end
-+ # GPIO, not connected
-+ device pnp 164e.7 off end
-+ # DLPC, not connected
-+ device pnp 164e.19 off end
-+ end
- end
- device pci 1f.2 on # IDE/SATA
- subsystemid 0x17aa 0x2168
-diff --git a/src/mainboard/lenovo/x201/romstage.c b/src/mainboard/lenovo/x201/romstage.c
-index 1237a5c..f74b441 100644
---- a/src/mainboard/lenovo/x201/romstage.c
-+++ b/src/mainboard/lenovo/x201/romstage.c
-@@ -53,7 +53,7 @@ static void pch_enable_lpc(void)
- /* Enable EC, PS/2 Keyboard/Mouse */
- pci_write_config16(PCH_LPC_DEV, LPC_EN,
- CNF2_LPC_EN | CNF1_LPC_EN | MC_LPC_EN | KBC_LPC_EN |
-- COMA_LPC_EN);
-+ COMA_LPC_EN | GAMEL_LPC_EN);
-
- pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x7c1601);
- pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, 0xc15e1);
-diff --git a/src/mainboard/lenovo/x60/Kconfig b/src/mainboard/lenovo/x60/Kconfig
-index b0d7a06..3c708cd 100644
---- a/src/mainboard/lenovo/x60/Kconfig
-+++ b/src/mainboard/lenovo/x60/Kconfig
-@@ -24,6 +24,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
- select MAINBOARD_HAS_NATIVE_VGA_INIT
- select EARLY_CBMEM_INIT
- select H8_DOCK_EARLY_INIT
-+ select DRIVERS_LENOVO_WACOM
- select INTEL_EDID
-
- config MAINBOARD_DIR
-@@ -40,7 +41,7 @@ config DCACHE_RAM_SIZE
-
- config MAINBOARD_PART_NUMBER
- string
-- default "ThinkPad X60 / X60s"
-+ default "ThinkPad X60 / X60s / X60t"
-
- config MMCONF_BASE_ADDRESS
- hex
-diff --git a/src/mainboard/lenovo/x60/acpi_tables.c b/src/mainboard/lenovo/x60/acpi_tables.c
-index f6ed4ae..c8fce7f 100644
---- a/src/mainboard/lenovo/x60/acpi_tables.c
-+++ b/src/mainboard/lenovo/x60/acpi_tables.c
-@@ -29,6 +29,7 @@
- #include <device/device.h>
- #include <device/pci.h>
- #include <device/pci_ids.h>
-+#include "drivers/lenovo/lenovo.h"
-
- extern const unsigned char AmlCode[];
- #if CONFIG_HAVE_ACPI_SLIC
-@@ -86,6 +87,7 @@ unsigned long acpi_fill_madt(unsigned long current)
- unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
- {
- generate_cpu_entries();
-+ drivers_lenovo_serial_ports_ssdt_generate("\\_SB.PCI0.LPCB", 1, 1);
- return (unsigned long) (acpigen_get_current());
- }
-
-diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb
-index dc1c5da..6f9d5d9 100644
---- a/src/mainboard/lenovo/x60/devicetree.cb
-+++ b/src/mainboard/lenovo/x60/devicetree.cb
-@@ -25,7 +25,7 @@ chip northbridge/intel/i945
- register "gpu_hotplug" = "0x00000220"
- register "gpu_lvds_use_spread_spectrum_clock" = "1"
- register "gpu_lvds_is_dual_channel" = "0"
-- register "gpu_backlight" = "0x1280128"
-+ register "gpu_backlight" = "0x879F879E"
-
- device cpu_cluster 0 on
- chip cpu/intel/socket_mFCPGA478
-@@ -130,10 +130,17 @@ chip northbridge/intel/i945
- chip superio/nsc/pc87382
- device pnp 164e.2 on # IR
- io 0x60 = 0x2f8
-+ irq 0x29 = 0xb0
-+ irq 0x70 = 0x3
-+ drq 0x74 = 0x1
-+ irq 0xf0 = 0x82
- end
-
-- device pnp 164e.3 off # Serial Port
-- io 0x60 = 0x3f8
-+ device pnp 164e.3 on # Digitizer
-+ io 0x60 = 0x200
-+ irq 0x29 = 0xb0
-+ irq 0x70 = 0x5
-+ irq 0xf0 = 0x82
- end
-
- device pnp 164e.7 on # GPIO
-diff --git a/src/mainboard/lenovo/x60/romstage.c b/src/mainboard/lenovo/x60/romstage.c
-index 1198fb2..8eca464 100644
---- a/src/mainboard/lenovo/x60/romstage.c
-+++ b/src/mainboard/lenovo/x60/romstage.c
-@@ -86,7 +86,7 @@ static void ich7_enable_lpc(void)
- // decode range
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0210);
- // decode range
-- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1f0d);
-+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1f0f);
-
- /* range 0x1600 - 0x167f */
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x84, 0x1601);
-diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c
-index 4dd2ccf..5dbaff3 100644
---- a/src/northbridge/intel/i945/gma.c
-+++ b/src/northbridge/intel/i945/gma.c
-@@ -33,6 +33,8 @@
-
- #define GDRST 0xc0
-
-+#define BSM 0x5c
-+
- #define LVDS_CLOCK_A_POWERUP_ALL (3 << 8)
- #define LVDS_CLOCK_B_POWERUP_ALL (3 << 4)
- #define LVDS_CLOCK_BOTH_POWERUP_ALL (3 << 2)
-@@ -51,11 +53,19 @@
- static int gtt_setup(unsigned int mmiobase)
- {
- unsigned long PGETBL_save;
--
-- PGETBL_save = read32(mmiobase + PGETBL_CTL) & ~PGETBL_ENABLED;
-+ unsigned long tom; // top of memory
-+
-+ /*
-+ * The Video BIOS places the GTT right below top of memory.
-+ * It is not documented in the Intel 945 datasheet, but the Intel
-+ * developers said that it is normally placed there.
-+ *
-+ * TODO: Add option to make the GTT size runtime
-+ * configurable
-+ */
-+ tom = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), TOLUD) << 24;
-+ PGETBL_save = tom - 256 * KiB;
- PGETBL_save |= PGETBL_ENABLED;
--
-- PGETBL_save |= pci_read_config32(dev_find_slot(0, PCI_DEVFN(2,0)), 0x5c) & 0xfffff000;
- PGETBL_save |= 2; /* set GTT to 256kb */
-
- write32(mmiobase + GFX_FLSH_CNTL, 0);
generated by cgit v0.9.1 at 2024-11-18 01:22:39 (EST)