summaryrefslogtreecommitdiff
path: root/src/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/intel/bga956/Config.lb3
-rw-r--r--src/cpu/intel/bga956/bga956.c7
-rw-r--r--src/cpu/intel/bga956/chip.h4
-rw-r--r--src/cpu/intel/model_1067x/Config.lb14
-rw-r--r--src/cpu/intel/model_1067x/model_1067x_init.c265
5 files changed, 293 insertions, 0 deletions
diff --git a/src/cpu/intel/bga956/Config.lb b/src/cpu/intel/bga956/Config.lb
new file mode 100644
index 0000000000..f334dced0d
--- /dev/null
+++ b/src/cpu/intel/bga956/Config.lb
@@ -0,0 +1,3 @@
+config chip.h
+object bga956.o
+dir /cpu/intel/model_1067x
diff --git a/src/cpu/intel/bga956/bga956.c b/src/cpu/intel/bga956/bga956.c
new file mode 100644
index 0000000000..3469215cf3
--- /dev/null
+++ b/src/cpu/intel/bga956/bga956.c
@@ -0,0 +1,7 @@
+#include <device/device.h>
+#include "chip.h"
+
+
+struct chip_operations cpu_intel_bga956_ops = {
+ CHIP_NAME("BGA956 CPU")
+};
diff --git a/src/cpu/intel/bga956/chip.h b/src/cpu/intel/bga956/chip.h
new file mode 100644
index 0000000000..0f32d3358c
--- /dev/null
+++ b/src/cpu/intel/bga956/chip.h
@@ -0,0 +1,4 @@
+extern struct chip_operations cpu_intel_bga956_ops;
+
+struct cpu_intel_bga956_config {
+};
diff --git a/src/cpu/intel/model_1067x/Config.lb b/src/cpu/intel/model_1067x/Config.lb
new file mode 100644
index 0000000000..e1d2579b8d
--- /dev/null
+++ b/src/cpu/intel/model_1067x/Config.lb
@@ -0,0 +1,14 @@
+uses CONFIG_HAVE_MOVNTI
+default CONFIG_HAVE_MOVNTI=1
+
+dir /cpu/x86/tsc
+dir /cpu/x86/mtrr
+dir /cpu/x86/fpu
+dir /cpu/x86/mmx
+dir /cpu/x86/sse
+dir /cpu/x86/lapic
+dir /cpu/x86/cache
+dir /cpu/x86/smm
+dir /cpu/intel/microcode
+dir /cpu/intel/hyperthreading
+driver model_1067x_init.o
diff --git a/src/cpu/intel/model_1067x/model_1067x_init.c b/src/cpu/intel/model_1067x/model_1067x_init.c
new file mode 100644
index 0000000000..b64d0f2465
--- /dev/null
+++ b/src/cpu/intel/model_1067x/model_1067x_init.c
@@ -0,0 +1,265 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <string.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/intel/microcode.h>
+#include <cpu/intel/hyperthreading.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/mtrr.h>
+
+static const uint32_t microcode_updates[] = {
+ /* Dummy terminator */
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+};
+
+static inline void strcpy(char *dst, char *src)
+{
+ while (*src) *dst++ = *src++;
+}
+
+static void init_timer(void)
+{
+ /* Set the apic timer to no interrupts and periodic mode */
+ lapic_write(LAPIC_LVTT, (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0));
+
+ /* Set the divider to 1, no divider */
+ lapic_write(LAPIC_TDCR, LAPIC_TDR_DIV_1);
+
+ /* Set the initial counter to 0xffffffff */
+ lapic_write(LAPIC_TMICT, 0xffffffff);
+}
+
+static void fill_processor_name(char *processor_name)
+{
+ struct cpuid_result regs;
+ char temp_processor_name[49];
+ char *processor_name_start;
+ unsigned int *name_as_ints = (unsigned int *)temp_processor_name;
+ int i;
+
+ for (i=0; i<3; i++) {
+ regs = cpuid(0x80000002 + i);
+ name_as_ints[i*4 + 0] = regs.eax;
+ name_as_ints[i*4 + 1] = regs.ebx;
+ name_as_ints[i*4 + 2] = regs.ecx;
+ name_as_ints[i*4 + 3] = regs.edx;
+ }
+
+ temp_processor_name[48] = 0;
+
+ /* Skip leading spaces */
+ processor_name_start = temp_processor_name;
+ while (*processor_name_start == ' ')
+ processor_name_start++;
+
+ memset(processor_name, 0, 49);
+ strcpy(processor_name, processor_name_start);
+}
+
+#define IA32_FEATURE_CONTROL 0x003a
+
+#define CPUID_VMX (1 << 5)
+#define CPUID_SMX (1 << 6)
+static void enable_vmx(void)
+{
+ struct cpuid_result regs;
+ msr_t msr;
+
+ msr = rdmsr(IA32_FEATURE_CONTROL);
+
+ if (msr.lo & (1 << 0)) {
+ /* VMX locked. If we set it again we get an illegal
+ * instruction
+ */
+ return;
+ }
+
+ regs = cpuid(1);
+ if (regs.ecx & CPUID_VMX) {
+ msr.lo |= (1 << 2);
+ if (regs.ecx & CPUID_SMX)
+ msr.lo |= (1 << 1);
+ }
+
+ wrmsr(IA32_FEATURE_CONTROL, msr);
+
+ msr.lo |= (1 << 0); /* Set lock bit */
+
+ wrmsr(IA32_FEATURE_CONTROL, msr);
+}
+
+#define PMG_CST_CONFIG_CONTROL 0xe2
+#define PMG_IO_BASE_ADDR 0xe3
+#define PMG_IO_CAPTURE_ADDR 0xe4
+
+#define PMB0_BASE 0x580
+#define PMB1_BASE 0x800
+#define CST_RANGE 2
+static void configure_c_states(void)
+{
+ msr_t msr;
+
+ msr = rdmsr(PMG_CST_CONFIG_CONTROL);
+
+ msr.lo |= (1 << 15); // config lock until next reset
+ msr.lo |= (1 << 14); // Deeper Sleep
+ msr.lo |= (1 << 10); // Enable IO MWAIT redirection
+ msr.lo &= ~(1 << 9); // Issue a single stop grant cycle upon stpclk
+ msr.lo |= (1 << 3); // Dynamic L2
+
+ wrmsr(PMG_CST_CONFIG_CONTROL, msr);
+
+ /* Set Processor MWAIT IO BASE */
+ msr.hi = 0;
+ msr.lo = ((PMB0_BASE + 4) & 0xffff) | (((PMB1_BASE + 9) & 0xffff) << 16);
+ wrmsr(PMG_IO_BASE_ADDR, msr);
+
+ /* Set IO Capture Address */
+ msr.hi = 0;
+ msr.lo = ((PMB0_BASE + 4) & 0xffff) | (( CST_RANGE & 0xffff) << 16);
+ wrmsr(PMG_IO_CAPTURE_ADDR, msr);
+}
+
+#define IA32_MISC_ENABLE 0x1a0
+static void configure_misc(void)
+{
+ msr_t msr;
+
+ msr = rdmsr(IA32_MISC_ENABLE);
+ msr.lo |= (1 << 3); /* TM1 enable */
+ msr.lo |= (1 << 13); /* TM2 enable */
+ msr.lo |= (1 << 17); /* Bidirectional PROCHOT# */
+
+ msr.lo |= (1 << 10); /* FERR# multiplexing */
+
+ // TODO: Only if IA32_PLATFORM_ID[17] = 0 and IA32_PLATFORM_ID[50] = 1
+ msr.lo |= (1 << 16); /* Enhanced SpeedStep Enable */
+
+ /* Enable C2E */
+ msr.lo |= (1 << 26);
+
+ /* Enable C4E */
+ /* TODO This should only be done on mobile CPUs, see cpuid 5 */
+ msr.hi |= (1 << (32 - 32)); // C4E
+ msr.hi |= (1 << (33 - 32)); // Hard C4E
+
+ /* Enable EMTTM. */
+ /* NOTE: We leave the EMTTM_CR_TABLE0-5 at their default values */
+ msr.hi |= (1 << (36 - 32));
+
+ wrmsr(IA32_MISC_ENABLE, msr);
+
+ msr.lo |= (1 << 20); /* Lock Enhanced SpeedStep Enable */
+ wrmsr(IA32_MISC_ENABLE, msr);
+}
+
+#define PIC_SENS_CFG 0x1aa
+static void configure_pic_thermal_sensors(void)
+{
+ msr_t msr;
+
+ msr = rdmsr(PIC_SENS_CFG);
+
+ msr.lo |= (1 << 21); // inter-core lock TM1
+ msr.lo |= (1 << 4); // Enable bypass filter
+
+ wrmsr(PIC_SENS_CFG, msr);
+}
+
+#if CONFIG_USBDEBUG_DIRECT
+static unsigned ehci_debug_addr;
+#endif
+
+static void model_1067x_init(device_t cpu)
+{
+ char processor_name[49];
+
+ /* Turn on caching if we haven't already */
+ x86_enable_cache();
+
+ /* Update the microcode */
+ intel_update_microcode(microcode_updates);
+
+ /* Print processor name */
+ fill_processor_name(processor_name);
+ printk_info("CPU: %s.\n", processor_name);
+
+#if CONFIG_USBDEBUG_DIRECT
+ // Is this caution really needed?
+ if(!ehci_debug_addr)
+ ehci_debug_addr = get_ehci_debug();
+ set_ehci_debug(0);
+#endif
+
+ /* Setup MTRRs */
+ x86_setup_mtrrs(36);
+ x86_mtrr_check();
+
+#if CONFIG_USBDEBUG_DIRECT
+ set_ehci_debug(ehci_debug_addr);
+#endif
+
+ /* Enable the local cpu apics */
+ setup_lapic();
+
+ /* Initialize the APIC timer */
+ init_timer();
+
+ /* Enable virtualization */
+ enable_vmx();
+
+ /* Configure C States */
+ configure_c_states();
+
+ /* Configure Enhanced SpeedStep and Thermal Sensors */
+ configure_misc();
+
+ /* PIC thermal sensor control */
+ configure_pic_thermal_sensors();
+
+ /* Start up my cpu siblings */
+ intel_sibling_init(cpu);
+}
+
+static struct device_operations cpu_dev_ops = {
+ .init = model_1067x_init,
+};
+
+static struct cpu_device_id cpu_table[] = {
+ { X86_VENDOR_INTEL, 0x10676 }, /* Intel Core 2 Solo/Core Duo */
+ { 0, 0 },
+};
+
+static const struct cpu_driver driver __cpu_driver = {
+ .ops = &cpu_dev_ops,
+ .id_table = cpu_table,
+};
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 18:50:16 +0000