[coreboot-gerrit] Patch set updated for coreboot: kunimitsu: Add FSP 2.0 support in romstage

Rizwan Qureshi (rizwan.qureshi@intel.com) gerrit at coreboot.org
Wed Sep 7 18:37:05 CEST 2016


Rizwan Qureshi (rizwan.qureshi at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16316

-gerrit

commit 197a5e1a87e6ac92ba34e8d67752260ed056001e
Author: Rizwan Qureshi <rizwan.qureshi at intel.com>
Date:   Wed Aug 24 20:50:54 2016 +0530

    kunimitsu: Add FSP 2.0 support in romstage
    
    Populate mainboard related Memory Init Params i.e, SPD
    Rcomp values, DQ and DQs values.
    
    Change-Id: Id62c43a72a0e34fa2e8d177ce895d395418e2347
    Signed-off-by: Rizwan Qureshi <rizwan.qureshi at intel.com>
    Signed-off-by: Naresh G Solanki <naresh.solanki at intel.com>
---
 src/mainboard/intel/kunimitsu/devicetree.cb    |  3 +
 src/mainboard/intel/kunimitsu/pei_data.c       |  6 +-
 src/mainboard/intel/kunimitsu/romstage.c       | 11 +---
 src/mainboard/intel/kunimitsu/romstage_fsp20.c | 82 +++++++++++++++++++++++++-
 src/mainboard/intel/kunimitsu/spd/spd.h        | 20 +++++++
 5 files changed, 106 insertions(+), 16 deletions(-)

diff --git a/src/mainboard/intel/kunimitsu/devicetree.cb b/src/mainboard/intel/kunimitsu/devicetree.cb
index 2aa3d95..a5789b0 100644
--- a/src/mainboard/intel/kunimitsu/devicetree.cb
+++ b/src/mainboard/intel/kunimitsu/devicetree.cb
@@ -187,6 +187,9 @@ chip soc/intel/skylake
 	# Send an extra VR mailbox command for the PS4 exit issue
 	register "SendVrMbxCmd" = "2"
 
+	# Enable/Disable VMX feature
+	register "VmxEnable" = "0"
+
 	# Use default SD card detect GPIO configuration
 	register "sdcard_cd_gpio_default" = "GPP_A7"
 
diff --git a/src/mainboard/intel/kunimitsu/pei_data.c b/src/mainboard/intel/kunimitsu/pei_data.c
index 3b0237e..b2e47f8 100644
--- a/src/mainboard/intel/kunimitsu/pei_data.c
+++ b/src/mainboard/intel/kunimitsu/pei_data.c
@@ -19,11 +19,7 @@
 #include <soc/pei_data.h>
 #include <soc/pei_wrapper.h>
 #include "boardid.h"
-
-/* PCH_MEM_CFG[3:0] */
-#define MAX_MEMORY_CONFIG	0x10
-#define RCOMP_TARGET_PARAMS	0x5
-#define K4E6E304EE_MEM_ID	0x3
+#include "spd/spd.h"
 
 void mainboard_fill_pei_data(struct pei_data *pei_data)
 {
diff --git a/src/mainboard/intel/kunimitsu/romstage.c b/src/mainboard/intel/kunimitsu/romstage.c
index 84c2b6f..29ffb61 100644
--- a/src/mainboard/intel/kunimitsu/romstage.c
+++ b/src/mainboard/intel/kunimitsu/romstage.c
@@ -25,16 +25,7 @@
 
 void mainboard_romstage_entry(struct romstage_params *params)
 {
-	/* PCH_MEM_CFG[3:0] */
-	gpio_t spd_gpios[] = {
-		GPIO_MEM_CONFIG_0,
-		GPIO_MEM_CONFIG_1,
-		GPIO_MEM_CONFIG_2,
-		GPIO_MEM_CONFIG_3,
-	};
-
-	params->pei_data->mem_cfg_id = gpio_base2_value(spd_gpios,
-							ARRAY_SIZE(spd_gpios));
+	params->pei_data->mem_cfg_id = get_spd_index();
 	/* Fill out PEI DATA */
 	mainboard_fill_pei_data(params->pei_data);
 	mainboard_fill_spd_data(params->pei_data);
diff --git a/src/mainboard/intel/kunimitsu/romstage_fsp20.c b/src/mainboard/intel/kunimitsu/romstage_fsp20.c
index 10bdd21..ab4ea2b 100644
--- a/src/mainboard/intel/kunimitsu/romstage_fsp20.c
+++ b/src/mainboard/intel/kunimitsu/romstage_fsp20.c
@@ -13,9 +13,89 @@
  * GNU General Public License for more details.
  */
 
+#include <arch/byteorder.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <fsp/api.h>
+#include <gpio.h>
+#include "gpio.h"
 #include <soc/romstage.h>
+#include <soc/gpio.h>
+#include "spd/spd.h"
+#include <string.h>
 
 void mainboard_memory_init_params(struct FSPM_UPD *mupd)
 {
-	/* TODO: Read and copy SPD and fill up Rcomp and DQ param */
+	struct FSP_M_CONFIG *mem_cfg;
+	mem_cfg = &mupd->FspmConfig;
+	char *spd_file;
+	size_t spd_file_len;
+	int spd_index, spd_span;
+
+	/* DQ byte map */
+	const u8 dq_map[2][12] = {
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 ,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
+		  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0 ,
+		    0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
+	/* DQS CPU<>DRAM map */
+	const u8 dqs_map[2][8] = {
+		{ 0, 1, 3, 2, 6, 5, 4, 7 },
+		{ 2, 3, 0, 1, 6, 7, 4, 5 } };
+
+	/* Rcomp resistor */
+	const u16 RcompResistor[3] = { 200, 81, 162 };
+
+	/* Rcomp target */
+	static const u16 RcompTarget[RCOMP_TARGET_PARAMS] = {
+		100, 40, 40, 23, 40 };
+
+	/*Strengthen the Rcomp Target Ctrl for 8GB K4E6E304EE -EGCF*/
+	static const u16 StrengthendRcompTarget[RCOMP_TARGET_PARAMS] = {
+		100, 40, 40, 21, 40 };
+
+	spd_index = get_spd_index();
+	printk(BIOS_INFO, "SPD index %d\n", spd_index);
+
+	memcpy(mem_cfg->DqByteMapCh0, dq_map, sizeof(dq_map));
+	memcpy(mem_cfg->DqsMapCpu2DramCh0, dqs_map, sizeof(dqs_map));
+	memcpy(mem_cfg->RcompResistor, RcompResistor, sizeof(RcompResistor));
+
+	if (spd_index == K4E6E304EE_MEM_ID) {
+		memcpy(mem_cfg->RcompTarget, StrengthendRcompTarget,
+			sizeof(StrengthendRcompTarget));
+	} else {
+		memcpy(mem_cfg->RcompTarget, RcompTarget,
+			 sizeof(RcompTarget));
+	}
+
+	mem_cfg->DqPinsInterleaved = 0;
+
+	/* Load SPD data from CBFS */
+	spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
+				&spd_file_len);
+	if (!spd_file)
+		die("SPD data not found.");
+
+	/* make sure we have at least one SPD in the file. */
+	if (spd_file_len < SPD_LEN)
+		die("Missing SPD data.");
+
+	/* Make sure we did not overrun the buffer */
+	if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
+		printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
+		spd_index = 0;
+	}
+
+	/* Assume same memory in both channels */
+	spd_span = spd_index * SPD_LEN;
+
+	mem_cfg->MemorySpdPtr00 = ( uint32_t )spd_file + spd_span;
+	mem_cfg->MemorySpdDataLen = SPD_LEN;
+
+	if (spd_index != HYNIX_SINGLE_CHAN && spd_index != SAMSUNG_SINGLE_CHAN
+		&& spd_index != MIC_SINGLE_CHAN) {
+		mem_cfg->MemorySpdPtr10 = (uint32_t)spd_file + spd_span;
+		printk(BIOS_INFO, "Dual channel SPD detected writing second channel\n");
+	}
 }
diff --git a/src/mainboard/intel/kunimitsu/spd/spd.h b/src/mainboard/intel/kunimitsu/spd/spd.h
index cdff9ce..c541c79 100644
--- a/src/mainboard/intel/kunimitsu/spd/spd.h
+++ b/src/mainboard/intel/kunimitsu/spd/spd.h
@@ -15,6 +15,10 @@
  */
 
 #ifndef MAINBOARD_SPD_H
+
+#include <gpio.h>
+#include "../gpio.h"
+
 #define MAINBOARD_SPD_H
 
 #define SPD_LEN			256
@@ -33,4 +37,20 @@
 #define HYNIX_SINGLE_CHAN	0x1
 #define SAMSUNG_SINGLE_CHAN	0x4
 #define MIC_SINGLE_CHAN		0x5
+
+/* PCH_MEM_CFG[3:0] */
+#define MAX_MEMORY_CONFIG	0x10
+#define RCOMP_TARGET_PARAMS	0x5
+#define K4E6E304EE_MEM_ID	0x3
+
+inline int get_spd_index(void){
+	/* PCH_MEM_CFG[3:0] */
+	gpio_t spd_gpios[] = {
+		GPIO_MEM_CONFIG_0,
+		GPIO_MEM_CONFIG_1,
+		GPIO_MEM_CONFIG_2,
+		GPIO_MEM_CONFIG_3,
+	};
+	return(gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios)));
+}
 #endif



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