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authorWerner Zeh <werner.zeh@siemens.com>2016-04-25 12:24:17 +0200
committerWerner Zeh <werner.zeh@siemens.com>2016-04-28 08:16:05 +0200
commitbf13d3f567795324a587af745c71e58ce680ab3f (patch)
tree1983311e16a8a1071d15af2432a0fe4205cf09d4 /src/mainboard/siemens
parent223498fa16c8de69b2649c669d2fba43ecf364d8 (diff)
downloadcoreboot-bf13d3f567795324a587af745c71e58ce680ab3f.tar.xz
mc_tcu3: Switch to hwilib instead of own hwinfo implementation
Use hwilib in vendorcode/siemens/hwilib to get fields from hwinfo instead of having mainboard specific hwinfo code. This patch does not change the functional behavior in any way. Change-Id: Idb226a82a08b1b753f654c5cde106236e72f33c3 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/14506 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard/siemens')
-rw-r--r--src/mainboard/siemens/mc_tcu3/Kconfig1
-rw-r--r--src/mainboard/siemens/mc_tcu3/Makefile.inc3
-rw-r--r--src/mainboard/siemens/mc_tcu3/lcd_panel.c26
-rw-r--r--src/mainboard/siemens/mc_tcu3/mainboard.c40
-rw-r--r--src/mainboard/siemens/mc_tcu3/modhwinfo.c144
-rw-r--r--src/mainboard/siemens/mc_tcu3/modhwinfo.h166
-rw-r--r--src/mainboard/siemens/mc_tcu3/ptn3460.c49
-rw-r--r--src/mainboard/siemens/mc_tcu3/ptn3460.h3
-rw-r--r--src/mainboard/siemens/mc_tcu3/romstage.c65
9 files changed, 120 insertions, 377 deletions
diff --git a/src/mainboard/siemens/mc_tcu3/Kconfig b/src/mainboard/siemens/mc_tcu3/Kconfig
index d7ff86756a..5ff233daa8 100644
--- a/src/mainboard/siemens/mc_tcu3/Kconfig
+++ b/src/mainboard/siemens/mc_tcu3/Kconfig
@@ -30,6 +30,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
select USE_BLOBS
select CBFS_AUTOGEN_ATTRIBUTES
select FSP_BAYTRAIL_GFX_INIT
+ select USE_SIEMENS_HWILIB
config MAINBOARD_DIR
string
diff --git a/src/mainboard/siemens/mc_tcu3/Makefile.inc b/src/mainboard/siemens/mc_tcu3/Makefile.inc
index 12be6a703a..2922eef9da 100644
--- a/src/mainboard/siemens/mc_tcu3/Makefile.inc
+++ b/src/mainboard/siemens/mc_tcu3/Makefile.inc
@@ -13,11 +13,8 @@
## GNU General Public License for more details.
##
-romstage-y += modhwinfo.c
-
ramstage-y += gpio.c
ramstage-y += irqroute.c
-ramstage-y += modhwinfo.c
ramstage-y += lcd_panel.c
ramstage-y += ptn3460.c
diff --git a/src/mainboard/siemens/mc_tcu3/lcd_panel.c b/src/mainboard/siemens/mc_tcu3/lcd_panel.c
index 91159f98d2..214773aa26 100644
--- a/src/mainboard/siemens/mc_tcu3/lcd_panel.c
+++ b/src/mainboard/siemens/mc_tcu3/lcd_panel.c
@@ -15,11 +15,11 @@
#include <cbfs.h>
#include <console/console.h>
#include <string.h>
-#include "modhwinfo.h"
#include "soc/gpio.h"
#include "lcd_panel.h"
#include "ptn3460.h"
+
/** \brief Reads GPIOs used for LCD panel encoding and returns the 4 bit value
* @param no parameters
* @return LCD panel type encoded in 4 bits
@@ -42,10 +42,8 @@ u8 get_lcd_panel_type(void)
*/
int setup_lcd_panel(void)
{
- u8 lcd_type;
+ u8 lcd_type;
int status;
- struct edidinfo *eib = NULL;
- struct shortinfo *sib = NULL;
char blockname[33];
lcd_type = get_lcd_panel_type();
@@ -71,20 +69,12 @@ int setup_lcd_panel(void)
status = 1;
break;
}
-
- /* Now that we have the panel type, get the matching block and setup */
- /* the DP2LVDS converter accordingly */
- eib = get_edidinfo(blockname);
- sib = get_shortinfo(blockname);
-
- if ((!eib) || (!sib)) {
- printk(BIOS_ERR, "LCD: Info block named \"%s\" not found!\n", blockname);
- status = 1;
- } else {
- printk(BIOS_INFO, "LCD: Found SIB at 0x%x, EIB at 0x%x\n",
- (int)sib, (int)eib);
- status = ptn3460_init(lcd_type, eib, sib);
+ /* Now that we have the panel type, setup the DP2LVDS converter */
+ status = ptn3460_init(blockname);
+ if (status)
+ printk(BIOS_ERR, "LCD: Setup PTN with status 0x%x\n", status);
+ else
printk(BIOS_INFO, "LCD: Setup PTN with status 0x%x\n", status);
- }
+
return status;
}
diff --git a/src/mainboard/siemens/mc_tcu3/mainboard.c b/src/mainboard/siemens/mc_tcu3/mainboard.c
index 8a966dcc84..e9c29a07b5 100644
--- a/src/mainboard/siemens/mc_tcu3/mainboard.c
+++ b/src/mainboard/siemens/mc_tcu3/mainboard.c
@@ -29,9 +29,47 @@
#include <arch/io.h>
#include <arch/interrupt.h>
#include <boot/coreboot_tables.h>
-
+#include <hwilib.h>
#include "lcd_panel.h"
+
+/** \brief This function will search for a MAC address which can be assigned
+ * to a MACPHY.
+ * @param pci_bdf Bus, device and function of the given PCI-device
+ * @param mac buffer where to store the MAC address
+ * @return cb_err CB_ERR or CB_SUCCESS
+ */
+enum cb_err mainboard_get_mac_address(u16 bus, u8 devfn, u8 mac[6])
+{
+ uint8_t mac_adr[6];
+ u32 i;
+
+ /* Open main hwinfo block */
+ if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS)
+ return CB_ERR;
+ /* Get first MAC address from hwinfo. */
+ if (hwilib_get_field(Mac1, mac_adr, sizeof(mac_adr)) != sizeof(mac_adr))
+ return CB_ERR;
+ /* Ensure the first MAC-Address is not completely 0x00 or 0xff */
+ for (i = 0; i < 6; i++) {
+ if (mac_adr[i] != 0xFF)
+ break;
+ }
+ if (i == 6){
+ return CB_ERR;
+ }
+ for (i = 0; i < 6; i++) {
+ if (mac_adr[i] != 0x00)
+ break;
+ }
+ if (i == 6){
+ return CB_ERR;
+ } else {
+ memcpy(mac, mac_adr, 6);
+ return CB_SUCCESS;
+ }
+}
+
/*
* mainboard_enable is executed as first thing after enumerate_buses().
* This is the earliest point to add customization.
diff --git a/src/mainboard/siemens/mc_tcu3/modhwinfo.c b/src/mainboard/siemens/mc_tcu3/modhwinfo.c
deleted file mode 100644
index ac7404b4fb..0000000000
--- a/src/mainboard/siemens/mc_tcu3/modhwinfo.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Siemens AG.
- *
- * 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.
- */
-
-#include "modhwinfo.h"
-#include "lcd_panel.h"
-#include <cbfs.h>
-#include <string.h>
-
-/** \brief This function will find the first linked info block.
- * @param *filename Filename in cbfs
- * @param *file_offset Pointer to the offset of the cbfs file contents
- * @return u8* Pointer to the found block
- */
-u8* get_first_linked_block(char *filename, u8 **file_offset)
-{
- u8* block_ptr = NULL;
-
- block_ptr = cbfs_boot_map_with_leak(filename, 0x50, NULL);
- if (!block_ptr)
- return NULL;
- if (!strncmp((char*)block_ptr, "H1W2M3I4", LEN_MAGIC_NUM)) {
- if ((*((u16*)(block_ptr + HWI_LEN_OFFSET)) == LEN_MAIN_HWINFO) &&
- (*((s32*)(block_ptr + NEXT_OFFSET_HWINFO)) != 0x00)) {
- *file_offset = block_ptr;
- return *((s32*)(block_ptr + NEXT_OFFSET_HWINFO)) + block_ptr;
- } else
- return NULL;
- } else if (!strncmp((char*)block_ptr, "H1W2M3I5", LEN_MAGIC_NUM)) {
- *file_offset = block_ptr;
- return block_ptr;
- } else
- return NULL;
-}
-
-/** \brief This function will find the main info block
- * @param *filename Filename in cbfs
- * @return *hwinfo Pointer to the data of the main info block
- */
-struct hwinfo* get_hwinfo(char *filename)
-{
- struct hwinfo* main_hwinfo;
-
- main_hwinfo = cbfs_boot_map_with_leak(filename, 0x50, NULL);
- if ((main_hwinfo) &&
- (!strncmp(main_hwinfo->magicNumber, "H1W2M3I4", LEN_MAGIC_NUM)) &&
- (main_hwinfo->length == LEN_MAIN_HWINFO))
- return main_hwinfo;
- else
- return NULL;
-}
-
-/** \brief This function will find the short info block
- * @param *filename Filename in cbfs
- * @return *shortinfo Pointer to the data of the short info block
- */
-struct shortinfo* get_shortinfo(char *filename)
-{
- u8 *block_ptr = NULL;
- u8 *file_offset = NULL;
-
- block_ptr = get_first_linked_block(filename, &file_offset);
- if ((block_ptr == NULL) ||
- (strncmp((char*)block_ptr, "H1W2M3I5", LEN_MAGIC_NUM)))
- return NULL;
-
- if ((*((u16*)(block_ptr + HWI_LEN_OFFSET))) == LEN_SHORT_INFO)
- return (struct shortinfo *)block_ptr;
-
- block_ptr = (file_offset + *((s32*)(block_ptr + NEXT_OFFSET_EDID)));
- if ((*((u16*)(block_ptr + HWI_LEN_OFFSET))) == LEN_SHORT_INFO)
- return (struct shortinfo *)block_ptr;
- else
- return NULL;
-}
-
-/** \brief This function will find the edid info block
- * @param *filename Filename in cbfs
- * @return *edidinfo Pointer to the data of the edid info block
- */
-struct edidinfo* get_edidinfo(char *filename)
-{
- u8 *block_ptr = NULL;
- u8 *file_offset = NULL;
-
- block_ptr = get_first_linked_block(filename, &file_offset);
- if ((block_ptr == NULL) ||
- (strncmp((char*)block_ptr, "H1W2M3I5", LEN_MAGIC_NUM)))
- return NULL;
-
- if ((*((u16*)(block_ptr + HWI_LEN_OFFSET))) == LEN_EDID_INFO)
- return (struct edidinfo *)block_ptr;
-
- block_ptr = (file_offset + *((s32*)(block_ptr + NEXT_OFFSET_SIB)));
- if ((*((u16*)(block_ptr + HWI_LEN_OFFSET))) == LEN_EDID_INFO)
- return (struct edidinfo *)block_ptr;
- else
- return NULL;
-}
-
-/** \brief This function will search for a MAC address which can be assigned
- * to a MACPHY.
- * @param pci_bdf Bus, device and function of the given PCI-device
- * @param mac buffer where to store the MAC address
- * @return cb_err CB_ERR or CB_SUCCESS
- */
-enum cb_err mainboard_get_mac_address(u16 bus, u8 devfn, u8 mac[6])
-{
- struct hwinfo* main_hwinfo;
- u32 i;
-
- main_hwinfo = get_hwinfo((char*)"hwinfo.hex");
- if (!main_hwinfo)
- return CB_ERR;
- /* Ensure the first MAC-Address is not completely 0x00 or 0xff */
- for (i = 0; i < 6; i++) {
- if (main_hwinfo->macAddress1[i] != 0xFF)
- break;
- }
- if (i == 6){
- return CB_ERR;
- }
- for (i = 0; i < 6; i++) {
- if (main_hwinfo->macAddress1[i] != 0x00)
- break;
- }
- if (i == 6){
- return CB_ERR;
- } else {
- memcpy(mac, main_hwinfo->macAddress1, 6);
- return CB_SUCCESS;
- }
-}
diff --git a/src/mainboard/siemens/mc_tcu3/modhwinfo.h b/src/mainboard/siemens/mc_tcu3/modhwinfo.h
deleted file mode 100644
index 6bf891c875..0000000000
--- a/src/mainboard/siemens/mc_tcu3/modhwinfo.h
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Siemens AG
- *
- * 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.
- */
-
-#ifndef _MODHWINFO_H_
-#define _MODHWINFO_H_
-
-#include <types.h>
-
-#define LEN_MAGIC_NUM 8
-#define LEN_MLFB 20
-#define LEN_SERIAL_NUM 16
-#define LEN_HW_REVISION 2
-#define LEN_MAC_ADDRESS 6
-#define LEN_SPD 128
-#define NUMBER_OF_MAC_ADDR 4
-#define LEN_EDID 128
-#define LEN_MAIN_HWINFO 509
-#define LEN_SHORT_INFO 289
-#define LEN_EDID_INFO 181
-#define NEXT_OFFSET_HWINFO 476
-#define NEXT_OFFSET_SIB 260
-#define NEXT_OFFSET_EDID 176
-#define HWI_LEN_OFFSET 12
-
-/* Define some masks and values */
-#define SIB_HWINIT_IDX 0x0e
-#define SIB_COLOR_6BIT 0x00
-#define SIB_COLOR_8BIT 0x01
-#define SIB_COLOR_10BIT 0x02
-#define SIB_DISP_CON_IDX 0x16
-#define SIB_LVDS_SINGLE_LANE 0x00
-#define SIB_LVDS_DUAL_LANE 0x05
-
-struct PhysDevStruc {
- u8 bustype;
- u8 devfn;
- u16 bus;
-} __attribute__ ((packed));
-
-
-struct hwinfo {
-// Offset 0x0
- char magicNumber[LEN_MAGIC_NUM];
-// Offset 0x08
- u8 versionID[4];
-// Offset 0x0c
- u16 length;
-// Offset 0x0e
- char BGR_Name[128];
-//Offset 0x8e
- char MLFB[LEN_MLFB];
-// Offset 0xa2
- u8 uniqueNumber[16];
-// Offset 0xb2
- u8 fill_1[12];
-// Offset 0xbe
- u8 hwRevision[LEN_HW_REVISION];
-//Offset 0xc0
- u8 macAddress1[LEN_MAC_ADDRESS];
- u8 numOfAuxMacAddr1;
- u8 fill_2;
-//Offset 0xc8
- u8 macAddress2[LEN_MAC_ADDRESS];
- u8 numOfAuxMacAddr2;
- u8 fill_3;
-//Offset 0xd0
- u8 macAddress3[LEN_MAC_ADDRESS];
- u8 numOfAuxMacAddr3;
- u8 fill_4;
-//Offset 0xd8
- u8 macAddress4[LEN_MAC_ADDRESS];
- u8 numOfAuxMacAddr4;
- u8 fill_5;
-// Offset 0xe0
- u8 SPD[LEN_SPD];
-// Offset 0x160
- u8 fill_6[88];
-// Offset 0x1b8
- u32 featureFlags;
-// Offset 0x1bc
- u8 fill_7[4];
-// Offset 0x1c0
- u32 biosFlags;
-// Offset 0x1c4
- u8 fill_8[8];
-//Offset 0x1cc
- struct PhysDevStruc etherDev[NUMBER_OF_MAC_ADDR];
-// Offset 0x1dc
- s32 nextInfoOffset;
-// Offset 0x1e0
- u8 fill_9[4];
-// Offset 0x1e4
- u32 portRTC;
-// Offset 0x1e8
- u8 typeRTC;
-// Offset 0x1e9
- u8 fill_10[20];
-} __attribute__ ((packed));
-
-struct shortinfo {
-// Offset 0x0
- char magicNumber[LEN_MAGIC_NUM];
-// Offset 0x08
- u8 versionID[4];
-// Offset 0x0c
- u16 length;
-// Offset 0x0e
- char BGR_Name[128];
-//Offset 0x8e
- char MLFB[LEN_MLFB];
-// Offset 0xa2
- u8 uniqueNumber[26];
-// Offset 0xbc
- u8 fill_1[12];
-//Offset 0xc8
- u8 hwRevision[2];
-// Offset 0xca
- u8 fill_2[18];
-// Offset 0xdc
- u8 panelFeatures[32];
-// Offset 0xfc
- u8 fill_3[8];
-// Offset 0x104
- s32 nextInfoOffset;
-// Offset 0x108
- u8 fill_4[25];
-} __attribute__ ((packed));
-
-struct edidinfo {
-// Offset 0x0
- char magicNumber[LEN_MAGIC_NUM];
-// Offset 0x08
- u8 versionID[4];
-// Offset 0x0c
- u16 length;
-// Offset 0x0e
- u8 fill_1[2];
-// Offset 0x10
- u8 edid[LEN_EDID];
-// Offset 0x90
- u8 fill_2[32];
-// Offset 0xb0
- s32 nextInfoOffset;
-// Offset 0xb4
- u8 fill_3;
-} __attribute__ ((packed));
-
-u8* get_first_linked_block(char *filename, u8 **starting_adr);
-struct hwinfo* get_hwinfo(char *filename);
-struct shortinfo* get_shortinfo(char *filename);
-struct edidinfo* get_edidinfo(char *filename);
-enum cb_err mainboard_get_mac_address(u16 bus, u8 devfn, u8 mac[6]);
-
-#endif /* _MODHWINFO_H_ */
diff --git a/src/mainboard/siemens/mc_tcu3/ptn3460.c b/src/mainboard/siemens/mc_tcu3/ptn3460.c
index e371e53c7f..21847bd275 100644
--- a/src/mainboard/siemens/mc_tcu3/ptn3460.c
+++ b/src/mainboard/siemens/mc_tcu3/ptn3460.c
@@ -14,33 +14,52 @@
*/
#include <console/console.h>
+#include <hwilib.h>
#include "soc/i2c.h"
#include "ptn3460.h"
/** \brief This functions sets up the DP2LVDS-converter to be used with the
* appropriate lcd panel
- * @param lcd_type Type of LCD we should set up the converter for
- * @param *sib Pointer to short info block structure
- * @param *eib Pointer to EDID info block structure
- * @return 0 on success or error code
+ * @param *hwi_block Filename in CBFS of the block to use as HW-Info
+ * @return 0 on success or error code
*/
-int ptn3460_init(char lcd_type, struct edidinfo *eib, struct shortinfo *sib)
+int ptn3460_init(char *hwi_block)
{
struct ptn_3460_config cfg;
int status;
+ uint8_t disp_con = 0, color_depth = 0;
+ uint8_t edid_data[0x80];
+ if (!hwi_block || hwilib_find_blocks(hwi_block) != CB_SUCCESS) {
+ printk(BIOS_ERR, "LCD: Info block \"%s\" not found!\n",
+ hwi_block);
+ return 1;
+ }
status = i2c_init(PTN_I2C_CONTROLER);
if (status)
return (PTN_BUS_ERROR | status);
- /* If we are here, we have all the desired information for setting up */
- /* DP2LVDS converter. In addition, the information matches the connected */
- /* LCD-panel and therefore, we do not have to distinguish between */
- /* different panels here for the timing. Inside the converter, table 6 */
- /* will be used for the timings. */
- status = ptn3460_write_edid(6, eib->edid);
- if (status)
+ /* Get all needed information from hwinfo block */
+ if (hwilib_get_field(Edid, edid_data, 0x80) != sizeof(edid_data)) {
+ printk(BIOS_ERR, "LCD: No EDID data available in %s\n",
+ hwi_block);
+ return 1;
+ }
+ if ((hwilib_get_field(PF_DisplCon, &disp_con, 1) != 1)) {
+ printk(BIOS_ERR, "LCD: Missing panel features from %s\n",
+ hwi_block);
+ return 1;
+ }
+ if (hwilib_get_field(PF_Color_Depth ,&color_depth, 1) != 1) {
+ printk(BIOS_ERR, "LCD: Missing panel features from %s\n",
+ hwi_block);
+ return 1;
+ }
+ /* Here, all the desired information for setting up DP2LVDS converter*/
+ /* are present. Inside the converter, table 6 will be used for */
+ /* the timings. */
+ if ((status = ptn3460_write_edid(6, edid_data)) != 0)
return status;
/* Select this table to be emulated */
ptn_select_edid(6);
@@ -50,12 +69,12 @@ int ptn3460_init(char lcd_type, struct edidinfo *eib, struct shortinfo *sib)
if (status)
return (PTN_BUS_ERROR | status);
- /* Set up configuration data according to the information blocks we get */
+ /* Set up configuration data according to the hwinfo blocks we get */
cfg.dp_interface_ctrl = 0;
cfg.lvds_interface_ctrl1 = 0x00;
- if (sib->panelFeatures[SIB_DISP_CON_IDX] == SIB_LVDS_DUAL_LANE)
+ if (disp_con == PF_DISPLCON_LVDS_DUAL)
cfg.lvds_interface_ctrl1 |= 0x0b; /* Turn on dual LVDS lane and clock */
- if ((sib->panelFeatures[SIB_HWINIT_IDX] & 0x03) == SIB_COLOR_6BIT)
+ if (color_depth == PF_COLOR_DEPTH_6BIT)
cfg.lvds_interface_ctrl1 |= 0x20; /* Use 18 bits per pixel */
cfg.lvds_interface_ctrl2 = 0x03; /* no clock spreading, 300 mV LVDS swing */
diff --git a/src/mainboard/siemens/mc_tcu3/ptn3460.h b/src/mainboard/siemens/mc_tcu3/ptn3460.h
index 3e0c065a65..533607c194 100644
--- a/src/mainboard/siemens/mc_tcu3/ptn3460.h
+++ b/src/mainboard/siemens/mc_tcu3/ptn3460.h
@@ -17,7 +17,6 @@
#define PTN3460_H_
#include <delay.h>
-#include "modhwinfo.h"
#include "lcd_panel.h"
#define PTN_SLAVE_ADR 0x20
@@ -66,7 +65,7 @@ struct ptn_3460_flash{
}__attribute__((packed));
-int ptn3460_init(char lcd_type, struct edidinfo *eib, struct shortinfo *sib);
+int ptn3460_init(char *hwi_block);
int ptn3460_read_edid(u8 edid_num, u8 *data);
int ptn3460_write_edid(u8 edid_num, u8 *data);
int ptn_select_edid(u8 edid_num);
diff --git a/src/mainboard/siemens/mc_tcu3/romstage.c b/src/mainboard/siemens/mc_tcu3/romstage.c
index 1fa78ca3da..c8cc66b49e 100644
--- a/src/mainboard/siemens/mc_tcu3/romstage.c
+++ b/src/mainboard/siemens/mc_tcu3/romstage.c
@@ -33,7 +33,7 @@
#include <soc/acpi.h>
#include <soc/baytrail.h>
#include <drivers/intel/fsp1_0/fsp_util.h>
-#include "modhwinfo.h"
+#include <hwilib.h>
/**
* /brief mainboard call for setup that needs to be done before fsp init
@@ -166,35 +166,44 @@ const PCH_AZALIA_CONFIG mainboard_AzaliaConfig = {
*/
void romstage_fsp_rt_buffer_callback(FSP_INIT_RT_BUFFER *FspRtBuffer)
{
- struct hwinfo *hwi_main;
+ uint8_t spd[0x80];
UPD_DATA_REGION *UpdData = FspRtBuffer->Common.UpdDataRgnPtr;
- /* Initialize the Azalia Verb Tables to mainboard specific version */
+ /* Initialize the Azalia Verb Tables to mainboard specific version. */
UpdData->AzaliaConfigPtr = (UINT32)&mainboard_AzaliaConfig;
- /* Get SPD data from hardware information block and setup memory down */
- /* parameters for FSP accordingly */
- hwi_main = get_hwinfo((char*)"hwinfo.hex");
- if (hwi_main) {
- UpdData->PcdMemoryParameters.EnableMemoryDown = 1;
- UpdData->PcdMemoryParameters.DRAMType = hwi_main->SPD[2];
- UpdData->PcdMemoryParameters.DIMM0Enable = hwi_main->SPD[3] & 0x01;
- UpdData->PcdMemoryParameters.DIMM1Enable = (hwi_main->SPD[3] >> 1) & 0x01;
- UpdData->PcdMemoryParameters.DIMMDensity = hwi_main->SPD[4];
- UpdData->PcdMemoryParameters.DIMMDWidth = hwi_main->SPD[5];
- UpdData->PcdMemoryParameters.DIMMSides = hwi_main->SPD[7];
- UpdData->PcdMemoryParameters.DIMMBusWidth = hwi_main->SPD[8];
- UpdData->PcdMemoryParameters.DRAMSpeed = hwi_main->SPD[12];
- UpdData->PcdMemoryParameters.DIMMtCL = hwi_main->SPD[14];
- UpdData->PcdMemoryParameters.DIMMtWR = hwi_main->SPD[17];
- UpdData->PcdMemoryParameters.DIMMtRPtRCD = hwi_main->SPD[18];
- UpdData->PcdMemoryParameters.DIMMtRRD = hwi_main->SPD[19];
- UpdData->PcdMemoryParameters.DIMMtWTR = hwi_main->SPD[26];
- UpdData->PcdMemoryParameters.DIMMtRTP = hwi_main->SPD[27];
- UpdData->PcdMemoryParameters.DIMMtFAW = hwi_main->SPD[28];
- /*If one need output from MRC to be used in Intel RMT, simply */
- /*enable the following line */
- //UpdData->PcdMrcDebugMsg = 1;
- } else
- printk(BIOS_ERR, "HWInfo not found, leave default timings for DDR3.\n");
+ /* Get SPD data from hwinfo block and set up memory down */
+ /* parameters for FSP accordingly. */
+ if (hwilib_find_blocks("hwinfo.hex")) {
+ printk(BIOS_ERR,
+ "HWInfo not found, use default timings for DDR3.\n");
+ return;
+ }
+
+ if (hwilib_get_field(SPD, spd, sizeof(spd)) != sizeof(spd)) {
+ printk(BIOS_ERR,
+ "SPD not found in HWInfo, use defaults for DDR3.\n");
+ return;
+ }
+ /*Set up DDR timings from HWInfo. */
+ UpdData->PcdMemoryParameters.EnableMemoryDown = 1;
+ UpdData->PcdMemoryParameters.DRAMType = spd[2];
+ UpdData->PcdMemoryParameters.DIMM0Enable = spd[3] & 0x01;
+ UpdData->PcdMemoryParameters.DIMM1Enable = (spd[3] >> 1) & 0x01;
+ UpdData->PcdMemoryParameters.DIMMDensity = spd[4];
+ UpdData->PcdMemoryParameters.DIMMDWidth = spd[5];
+ UpdData->PcdMemoryParameters.DIMMSides = spd[7];
+ UpdData->PcdMemoryParameters.DIMMBusWidth = spd[8];
+ UpdData->PcdMemoryParameters.DRAMSpeed = spd[12];
+ UpdData->PcdMemoryParameters.DIMMtCL = spd[14];
+ UpdData->PcdMemoryParameters.DIMMtWR = spd[17];
+ UpdData->PcdMemoryParameters.DIMMtRPtRCD = spd[18];
+ UpdData->PcdMemoryParameters.DIMMtRRD = spd[19];
+ UpdData->PcdMemoryParameters.DIMMtWTR = spd[26];
+ UpdData->PcdMemoryParameters.DIMMtRTP = spd[27];
+ UpdData->PcdMemoryParameters.DIMMtFAW = spd[28];
+
+ /*If one need output from MRC to be used in Intel RMT, simply */
+ /*enable the following line */
+ //UpdData->PcdMrcDebugMsg = 1;
}