Add support for the Intel Eagle Heights development board.

Signed-off-by: Thomas Jourdan <thomas.jourdan@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4392 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 279 insertions, 0 deletions

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,
+};
+