[coreboot-gerrit] Patch set updated for coreboot: 5d61451 cpu/amd (non-AGESA): Load microcode updates from CBFS

Alexandru Gagniuc (mr.nuke.me@gmail.com) gerrit at coreboot.org
Mon Feb 2 03:09:05 CET 2015


Alexandru Gagniuc (mr.nuke.me at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4502

-gerrit

commit 5d6145159bc3f04869f9a80e8a78433e23cbcb1d
Author: Kyösti Mälkki <kyosti.malkki at gmail.com>
Date:   Sun Dec 8 07:21:05 2013 +0200

    cpu/amd (non-AGESA): Load microcode updates from CBFS
    
    Change-Id: Ic67856414ea2fea9a9eb95d72136cb05da9483fa
    Signed-off-by: Kyösti Mälkki <kyosti.malkki at gmail.com>
    Signed-off-by: Alexandru Gagniuc <mr.nuke.me at gmail.com>
---
 src/cpu/amd/microcode/microcode.c                  |  68 +++++++++-----
 src/cpu/amd/model_10xxx/Kconfig                    |   1 +
 src/cpu/amd/model_10xxx/Makefile.inc               |   2 +
 src/cpu/amd/model_10xxx/microcode_blob.c           |  28 ++++++
 src/cpu/amd/model_10xxx/update_microcode.c         |  27 +-----
 src/cpu/amd/model_fxx/Kconfig                      |   1 +
 src/cpu/amd/model_fxx/Makefile.inc                 |   2 +
 src/cpu/amd/model_fxx/microcode_blob.c             |  34 +++++++
 src/cpu/amd/model_fxx/model_fxx_init.c             |   2 +-
 src/cpu/amd/model_fxx/model_fxx_update_microcode.c | 100 +++++++--------------
 src/include/cpu/amd/microcode.h                    |   5 +-
 11 files changed, 152 insertions(+), 118 deletions(-)

diff --git a/src/cpu/amd/microcode/microcode.c b/src/cpu/amd/microcode/microcode.c
index cdc6e4a..a5da75b 100644
--- a/src/cpu/amd/microcode/microcode.c
+++ b/src/cpu/amd/microcode/microcode.c
@@ -21,6 +21,10 @@
 #include <console/console.h>
 #include <cpu/x86/msr.h>
 #include <cpu/amd/microcode.h>
+#include <cbfs.h>
+
+#define UCODE_DEBUG(fmt, args...)	\
+	do { printk(BIOS_DEBUG, "[microcode] "fmt, ##args); } while(0)
 
 struct microcode {
 	u32 date_code;
@@ -51,40 +55,60 @@ struct microcode {
 	u8 x86_code_entry[191];
 };
 
-void amd_update_microcode(void *microcode_updates, u32 equivalent_processor_rev_id)
+static void apply_microcode_patch(const struct microcode *m)
 {
-	u32 patch_id, new_patch_id;
-	struct microcode *m;
-	char *c;
+	uint32_t new_patch_id;
 	msr_t msr;
 
-	msr = rdmsr(0x8b);
-	patch_id = msr.lo;
-
-	printk(BIOS_DEBUG, "microcode: equivalent rev id  = 0x%04x, current patch id = 0x%08x\n", equivalent_processor_rev_id, patch_id);
+	/* apply patch */
+	msr.hi = 0;
+	msr.lo = (uint32_t)m;
 
-	m = microcode_updates;
+	wrmsr(0xc0010020, msr);
 
-	for(c = microcode_updates; m->date_code;  m = (struct microcode *)c) {
-
-		if (m->processor_rev_id == equivalent_processor_rev_id) {
-			//apply patch
+	UCODE_DEBUG("patch id to apply = 0x%08x\n", m->patch_id);
 
-			msr.hi = 0;
-			msr.lo = (u32)m;
-
-			wrmsr(0xc0010020, msr);
+	/* read the patch_id again */
+	msr = rdmsr(0x8b);
+	new_patch_id = msr.lo;
 
-			printk(BIOS_DEBUG, "microcode: patch id to apply = 0x%08x\n", m->patch_id);
+	UCODE_DEBUG("updated to patch id = 0x%08x %s\n", new_patch_id ,
+		    (new_patch_id == m->patch_id) ? "success" : "fail");
+}
 
-			//read the patch_id again
-			msr = rdmsr(0x8b);
-			new_patch_id = msr.lo;
+static void amd_update_microcode(const void *ucode,  size_t ucode_len,
+				 uint32_t equivalent_processor_rev_id)
+{
+	const struct microcode *m;
+	const void *c;
 
-			printk(BIOS_DEBUG, "microcode: updated to patch id = 0x%08x %s\n", new_patch_id , (new_patch_id == m->patch_id)?" success\n":" fail\n" );
+	for(m = c = ucode; m->date_code;  m = c) {
+		if (m->processor_rev_id == equivalent_processor_rev_id) {
+			apply_microcode_patch(m);
 			break;
 		}
 		c += 2048;
 	}
+}
+
+#define MICROCODE_CBFS_FILE "cpu_microcode_blob.bin"
+
+void amd_update_microcode_from_cbfs(u32 equivalent_processor_rev_id)
+{
+	const void *ucode;
+	size_t ucode_len;
+
+	if (equivalent_processor_rev_id == 0) {
+		UCODE_DEBUG("rev id not found. Skipping microcode patch!\n");
+		return;
+	}
+
+	ucode = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, MICROCODE_CBFS_FILE,
+				      CBFS_TYPE_MICROCODE, &ucode_len);
+	if (!ucode) {
+		UCODE_DEBUG("microcode file not found. Skipping updates.\n");
+		return;
+	}
 
+	amd_update_microcode(ucode, ucode_len, equivalent_processor_rev_id);
 }
diff --git a/src/cpu/amd/model_10xxx/Kconfig b/src/cpu/amd/model_10xxx/Kconfig
index 09c7ec7..1b79eb0 100644
--- a/src/cpu/amd/model_10xxx/Kconfig
+++ b/src/cpu/amd/model_10xxx/Kconfig
@@ -9,6 +9,7 @@ config CPU_AMD_MODEL_10XXX
 	select MMCONF_SUPPORT_DEFAULT
 	select TSC_SYNC_LFENCE
 	select UDELAY_LAPIC
+	select SUPPORT_CPU_UCODE_IN_CBFS
 
 if CPU_AMD_MODEL_10XXX
 
diff --git a/src/cpu/amd/model_10xxx/Makefile.inc b/src/cpu/amd/model_10xxx/Makefile.inc
index 2f04762..f5cf375 100644
--- a/src/cpu/amd/model_10xxx/Makefile.inc
+++ b/src/cpu/amd/model_10xxx/Makefile.inc
@@ -4,3 +4,5 @@ ramstage-y += processor_name.c
 
 romstage-y += update_microcode.c
 ramstage-$(CONFIG_HAVE_ACPI_TABLES) += powernow_acpi.c
+
+cpu_microcode-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE) += microcode_blob.c
diff --git a/src/cpu/amd/model_10xxx/microcode_blob.c b/src/cpu/amd/model_10xxx/microcode_blob.c
new file mode 100644
index 0000000..c697cea
--- /dev/null
+++ b/src/cpu/amd/model_10xxx/microcode_blob.c
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * 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
+ */
+
+unsigned char microcode[] __attribute__ ((aligned(16))) = {
+#include CONFIG_AMD_UCODE_PATCH_FILE
+
+	/*  Dummy terminator  */
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+};
diff --git a/src/cpu/amd/model_10xxx/update_microcode.c b/src/cpu/amd/model_10xxx/update_microcode.c
index 3cdf978..8dcd90d 100644
--- a/src/cpu/amd/model_10xxx/update_microcode.c
+++ b/src/cpu/amd/model_10xxx/update_microcode.c
@@ -19,13 +19,8 @@
  */
 
 #include <stdint.h>
-#include <console/console.h>
 #include <cpu/amd/microcode.h>
 
-static const u8 microcode_updates[] __attribute__ ((aligned(16))) = {
-
-#ifdef __PRE_RAM__
-
 /* From the Revision Guide :
  * Equivalent Processor Table for AMD Family 10h Processors
  *
@@ -47,16 +42,6 @@ static const u8 microcode_updates[] __attribute__ ((aligned(16))) = {
  * 00100FA0h (PH-E0)     10A0h                  010000bfh
  */
 
-#include CONFIG_AMD_UCODE_PATCH_FILE
-
-#endif
-	/*  Dummy terminator  */
-	0x0, 0x0, 0x0, 0x0,
-	0x0, 0x0, 0x0, 0x0,
-	0x0, 0x0, 0x0, 0x0,
-	0x0, 0x0, 0x0, 0x0,
-};
-
 struct id_mapping {
         uint32_t orig_id;
         uint16_t new_id;
@@ -101,14 +86,6 @@ static u16 get_equivalent_processor_rev_id(u32 orig_id) {
 
 void update_microcode(u32 cpu_deviceid)
 {
-	u32 equivalent_processor_rev_id;
-
-	/* Update the microcode */
-	equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid );
-	if (equivalent_processor_rev_id != 0) {
-		amd_update_microcode((void *) microcode_updates, equivalent_processor_rev_id);
-	} else {
-		printk(BIOS_DEBUG, "microcode: rev id not found. Skipping microcode patch!\n");
-	}
-
+	u32 equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid);
+	amd_update_microcode_from_cbfs(equivalent_processor_rev_id);
 }
diff --git a/src/cpu/amd/model_fxx/Kconfig b/src/cpu/amd/model_fxx/Kconfig
index bdcf5bb..9ee2bf7 100644
--- a/src/cpu/amd/model_fxx/Kconfig
+++ b/src/cpu/amd/model_fxx/Kconfig
@@ -9,6 +9,7 @@ config CPU_AMD_MODEL_FXX
 	select SSE2
 	select TSC_SYNC_LFENCE
 	select UDELAY_LAPIC
+	select SUPPORT_CPU_UCODE_IN_CBFS
 
 if CPU_AMD_MODEL_FXX
 config UDELAY_IO
diff --git a/src/cpu/amd/model_fxx/Makefile.inc b/src/cpu/amd/model_fxx/Makefile.inc
index cf4ac21..19a6255 100644
--- a/src/cpu/amd/model_fxx/Makefile.inc
+++ b/src/cpu/amd/model_fxx/Makefile.inc
@@ -5,3 +5,5 @@ ramstage-y += model_fxx_init.c
 ramstage-y += model_fxx_update_microcode.c
 ramstage-y += processor_name.c
 ramstage-$(CONFIG_HAVE_ACPI_TABLES) += powernow_acpi.c
+
+cpu_microcode-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE) += microcode_blob.c
diff --git a/src/cpu/amd/model_fxx/microcode_blob.c b/src/cpu/amd/model_fxx/microcode_blob.c
new file mode 100644
index 0000000..3210f62
--- /dev/null
+++ b/src/cpu/amd/model_fxx/microcode_blob.c
@@ -0,0 +1,34 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 Advanced Micro Devices, Inc.
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ */
+
+unsigned char microcode[] __attribute__ ((aligned(16))) = {
+#if !CONFIG_K8_REV_F_SUPPORT
+	#include "microcode_rev_c.h"
+	#include "microcode_rev_d.h"
+	#include "microcode_rev_e.h"
+#endif
+
+	/*  Dummy terminator  */
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+        0x0, 0x0, 0x0, 0x0,
+};
diff --git a/src/cpu/amd/model_fxx/model_fxx_init.c b/src/cpu/amd/model_fxx/model_fxx_init.c
index 260e83e..33226d4 100644
--- a/src/cpu/amd/model_fxx/model_fxx_init.c
+++ b/src/cpu/amd/model_fxx/model_fxx_init.c
@@ -468,7 +468,7 @@ static void model_fxx_init(device_t dev)
 	x86_mtrr_check();
 
 	/* Update the microcode */
-	model_fxx_update_microcode(dev->device);
+	update_microcode(dev->device);
 
 	disable_cache();
 
diff --git a/src/cpu/amd/model_fxx/model_fxx_update_microcode.c b/src/cpu/amd/model_fxx/model_fxx_update_microcode.c
index af10ce0..213294c 100644
--- a/src/cpu/amd/model_fxx/model_fxx_update_microcode.c
+++ b/src/cpu/amd/model_fxx/model_fxx_update_microcode.c
@@ -20,74 +20,44 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <console/console.h>
+#include <stdint.h>
+#include <stdlib.h>
 #include <cpu/amd/microcode.h>
 
-static uint8_t microcode_updates[] __attribute__ ((aligned(16))) = {
-
+static const u32 id_mapping_table[] = {
 #if !CONFIG_K8_REV_F_SUPPORT
-	#include "microcode_rev_c.h"
-	#include "microcode_rev_d.h"
-	#include "microcode_rev_e.h"
-#endif
-
-#if CONFIG_K8_REV_F_SUPPORT
-//	#include "microcode_rev_f.h"
+        0x0f48, 0x0048,
+        0x0f58, 0x0048,
+
+        0x0f4a, 0x004a,
+        0x0f5a, 0x004a,
+        0x0f7a, 0x004a,
+        0x0f82, 0x004a,
+        0x0fc0, 0x004a,
+        0x0ff0, 0x004a,
+
+        0x10f50, 0x0150,
+        0x10f70, 0x0150,
+        0x10f80, 0x0150,
+        0x10fc0, 0x0150,
+        0x10ff0, 0x0150,
+
+        0x20f10, 0x0210,
+        0x20f12, 0x0210,
+        0x20f32, 0x0210,
+        0x20fb1, 0x0210,
 #endif
-        /*  Dummy terminator  */
-        0x0, 0x0, 0x0, 0x0,
-        0x0, 0x0, 0x0, 0x0,
-        0x0, 0x0, 0x0, 0x0,
-        0x0, 0x0, 0x0, 0x0,
-};
-
-struct id_mapping {
-        uint32_t orig_id;
-        uint16_t new_id;
 };
+#define ID_MAPPING_TABLE_LEN ARRAY_SIZE(id_mapping_table)
 
-static u16 get_equivalent_processor_rev_id(u32 orig_id) {
-	static const struct id_mapping id_mapping_table[] = {
-	#if !CONFIG_K8_REV_F_SUPPORT
-	        { 0x0f48, 0x0048 },
-	        { 0x0f58, 0x0048 },
-
-	        { 0x0f4a, 0x004a },
-	        { 0x0f5a, 0x004a },
-	        { 0x0f7a, 0x004a },
-	        { 0x0f82, 0x004a },
-	        { 0x0fc0, 0x004a },
-	        { 0x0ff0, 0x004a },
-
-	        { 0x10f50, 0x0150 },
-	        { 0x10f70, 0x0150 },
-	        { 0x10f80, 0x0150 },
-	        { 0x10fc0, 0x0150 },
-	        { 0x10ff0, 0x0150 },
-
-	        { 0x20f10, 0x0210 },
-	        { 0x20f12, 0x0210 },
-	        { 0x20f32, 0x0210 },
-	        { 0x20fb1, 0x0210 },
-	#endif
-
-	#if CONFIG_K8_REV_F_SUPPORT
-		/* FIXME */
-	#endif
-
-		/* Array terminator */
-		{ 0xffffff, 0x0000 },
-
-	};
-
-	unsigned new_id;
+static unsigned get_equivalent_processor_rev_id(unsigned orig_id)
+{
+	unsigned new_id = 0;
 	int i;
 
-	new_id = 0;
-
-	for (i = 0; id_mapping_table[i].orig_id != 0xffffff; i++ ) {
-		if (id_mapping_table[i].orig_id == orig_id) {
-			new_id = id_mapping_table[i].new_id;
+	for (i = 0; i < ID_MAPPING_TABLE_LEN; i += 2) {
+		if (id_mapping_table[i]==orig_id) {
+			new_id = id_mapping_table[i + 1];
 			break;
 		}
 	}
@@ -95,12 +65,8 @@ static u16 get_equivalent_processor_rev_id(u32 orig_id) {
 	return new_id;
 }
 
-void model_fxx_update_microcode(unsigned cpu_deviceid)
+void update_microcode(u32 cpu_deviceid)
 {
-	unsigned equivalent_processor_rev_id;
-
-        /* Update the microcode */
-	equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid );
-	if(equivalent_processor_rev_id != 0)
-	        amd_update_microcode(microcode_updates, equivalent_processor_rev_id);
+	u32 equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid);
+	amd_update_microcode_from_cbfs(equivalent_processor_rev_id);
 }
diff --git a/src/include/cpu/amd/microcode.h b/src/include/cpu/amd/microcode.h
index 3485b6f..5ac04e9 100644
--- a/src/include/cpu/amd/microcode.h
+++ b/src/include/cpu/amd/microcode.h
@@ -1,9 +1,8 @@
 #ifndef CPU_AMD_MICROCODE_H
 #define CPU_AMD_MICROCODE_H
 
-void amd_update_microcode(void *microcode_updates, unsigned processor_rev_id);
-void model_fxx_update_microcode(unsigned cpu_deviceid);
-void update_microcode(u32 processor_rev_id);
+void update_microcode(u32 cpu_deviceid);
+void amd_update_microcode_from_cbfs(u32 equivalent_processor_rev_id);
 
 #endif /* CPU_AMD_MICROCODE_H */
 



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