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-rw-r--r--src/soc/intel/cannonlake/Makefile.inc4
-rw-r--r--src/soc/intel/cannonlake/memmap.c106
-rw-r--r--src/soc/intel/common/block/ebda/ebda.c26
-rw-r--r--src/soc/intel/common/block/include/intelblocks/ebda.h49
-rw-r--r--src/soc/intel/common/block/systemagent/memmap.c67
-rw-r--r--src/soc/intel/icelake/Makefile.inc5
-rw-r--r--src/soc/intel/icelake/memmap.c105
-rw-r--r--src/soc/intel/skylake/Makefile.inc3
-rw-r--r--src/soc/intel/skylake/memmap.c106
9 files changed, 80 insertions, 391 deletions
diff --git a/src/soc/intel/cannonlake/Makefile.inc b/src/soc/intel/cannonlake/Makefile.inc
index 5bc9409521..0fcbcd15e6 100644
--- a/src/soc/intel/cannonlake/Makefile.inc
+++ b/src/soc/intel/cannonlake/Makefile.inc
@@ -16,7 +16,6 @@ bootblock-y += pmutil.c
bootblock-y += bootblock/report_platform.c
bootblock-y += gspi.c
bootblock-y += i2c.c
-bootblock-y += memmap.c
bootblock-y += spi.c
bootblock-y += lpc.c
bootblock-y += p2sb.c
@@ -26,7 +25,6 @@ romstage-y += cnl_memcfg_init.c
romstage-y += gspi.c
romstage-y += i2c.c
romstage-y += lpc.c
-romstage-y += memmap.c
romstage-y += pmutil.c
romstage-y += reset.c
romstage-y += spi.c
@@ -44,7 +42,6 @@ ramstage-y += i2c.c
ramstage-y += lockdown.c
ramstage-y += lpc.c
ramstage-y += me.c
-ramstage-y += memmap.c
ramstage-y += nhlt.c
ramstage-y += p2sb.c
ramstage-y += pmc.c
@@ -66,7 +63,6 @@ smm-y += smihandler.c
smm-y += uart.c
smm-y += xhci.c
-postcar-y += memmap.c
postcar-y += pmutil.c
postcar-y += i2c.c
postcar-y += gspi.c
diff --git a/src/soc/intel/cannonlake/memmap.c b/src/soc/intel/cannonlake/memmap.c
deleted file mode 100644
index 63e7acdb85..0000000000
--- a/src/soc/intel/cannonlake/memmap.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Google Inc.
- * Copyright (C) 2015-2017 Intel Corporation.
- *
- * 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 <arch/romstage.h>
-#include <cbmem.h>
-#include <fsp/util.h>
-#include <intelblocks/ebda.h>
-#include <intelblocks/systemagent.h>
-#include <stdlib.h>
-
-/*
- * Fill up memory layout information
- *
- * Host Memory Map:
- *
- * +--------------------------+ TOUUD
- * | |
- * +--------------------------+ 4GiB
- * | PCI Address Space |
- * +--------------------------+ TOLUD (also maps into MC address space)
- * | iGD |
- * +--------------------------+ BDSM
- * | GTT |
- * +--------------------------+ BGSM
- * | TSEG |
- * +--------------------------+ TSEGMB
- * | DMA Protected Region |
- * +--------------------------+ DPR
- * | PRM (C6DRAM/SGX) |
- * +--------------------------+ PRMRR
- * | ME Stolen Memory |
- * +--------------------------+ ME Stolen
- * | PTT |
- * +--------------------------+ top_of_ram
- * | Reserved - FSP/CBMEM |
- * +--------------------------+ TOLUM
- * | Usage DRAM |
- * +--------------------------+ 0
- *
- * Some of the base registers above can be equal making the size of those
- * regions 0. The reason is because the memory controller internally subtracts
- * the base registers from each other to determine sizes of the regions. In
- * other words, the memory map is in a fixed order no matter what.
- */
-void fill_soc_memmap_ebda(struct ebda_config *cfg)
-{
- struct range_entry tolum;
-
- fsp_find_bootloader_tolum(&tolum);
- cfg->cbmem_top = range_entry_end(&tolum);
-}
-
-void cbmem_top_init(void)
-{
- /* Fill up EBDA area */
- fill_ebda_area();
-}
-
-/*
- * +-------------------------+ Top of RAM (aligned)
- * | System Management Mode |
- * | code and data | Length: CONFIG_TSEG_SIZE
- * | (TSEG) |
- * +-------------------------+ SMM base (aligned)
- * | |
- * | Chipset Reserved Memory |
- * | |
- * +-------------------------+ top_of_ram (aligned)
- * | |
- * | CBMEM Root |
- * | |
- * +-------------------------+
- * | |
- * | FSP Reserved Memory |
- * | |
- * +-------------------------+
- * | |
- * | Various CBMEM Entries |
- * | |
- * +-------------------------+ top_of_stack (8 byte aligned)
- * | |
- * | stack (CBMEM Entry) |
- * | |
- * +-------------------------+
- */
-void *cbmem_top_chipset(void)
-{
- struct ebda_config ebda_cfg;
-
- retrieve_ebda_object(&ebda_cfg);
-
- return (void *)(uintptr_t)ebda_cfg.cbmem_top;
-}
diff --git a/src/soc/intel/common/block/ebda/ebda.c b/src/soc/intel/common/block/ebda/ebda.c
index 6b0bd6752b..072023cd16 100644
--- a/src/soc/intel/common/block/ebda/ebda.c
+++ b/src/soc/intel/common/block/ebda/ebda.c
@@ -17,34 +17,14 @@
#include <intelblocks/ebda.h>
#include <string.h>
-/*
- * Mainboard Override function
- *
- * Mainboard directory may implement below functionality for romstage.
- */
-
-/* Fill up EBDA structure inside Mainboard directory */
-__weak void create_mainboard_ebda(struct ebda_config *cfg)
-{
- /* no-op */
-}
-
-static void create_soc_ebda(struct ebda_config *cfg)
-{
- /* Create EBDA header */
- cfg->signature = EBDA_SIGNATURE;
- /* Fill up memory layout information */
- fill_soc_memmap_ebda(cfg);
-}
-
-void fill_ebda_area(void)
+void initialize_ebda_area(void)
{
struct ebda_config ebda_cfg;
/* Initialize EBDA area early during romstage. */
setup_default_ebda();
- create_soc_ebda(&ebda_cfg);
- create_mainboard_ebda(&ebda_cfg);
+ ebda_cfg.signature = EBDA_SIGNATURE;
+ fill_memmap_ebda(&ebda_cfg);
write_ebda_data(&ebda_cfg, sizeof(ebda_cfg));
}
diff --git a/src/soc/intel/common/block/include/intelblocks/ebda.h b/src/soc/intel/common/block/include/intelblocks/ebda.h
index 16124df7e0..48904f4705 100644
--- a/src/soc/intel/common/block/include/intelblocks/ebda.h
+++ b/src/soc/intel/common/block/include/intelblocks/ebda.h
@@ -16,52 +16,23 @@
#ifndef SOC_INTEL_COMMON_BLOCK_EBDA_H
#define SOC_INTEL_COMMON_BLOCK_EBDA_H
-#include <soc/ebda.h>
-
#define EBDA_SIGNATURE 0xebdaebda
-/*
- * Mainboard Override function
- *
- * Mainboard directory may implement below functionality for romstage.
- */
-
-/* Fill up EBDA structure inside Mainboard directory */
-void create_mainboard_ebda(struct ebda_config *cfg);
+/* EBDA structure */
+struct ebda_config {
+ uint32_t signature; /* EBDA signature */
+ uint32_t cbmem_top; /* coreboot memory start */
+};
-/*
- * SoC overrides
- *
- * All new SoC must implement below functionality for romstage.
- */
-void fill_soc_memmap_ebda(struct ebda_config *cfg);
+/* Initialize EBDA and store structure into EBDA area */
+void initialize_ebda_area(void);
/*
- * API to perform below operation
- * 1. Initialize EBDA area
- * 2. Fill up EBDA structure inside SOC directory
- * 3. Fill up EBDA structure inside Mainboard directory
- * 4. Store EBDA structure into EBDA area
- */
-void fill_ebda_area(void);
-
-/* Fill the ebda object pointed to by cfg. Object will be zero filled
+ * Fill the ebda object pointed to by cfg. Object will be zero filled
* if signature check fails. */
void retrieve_ebda_object(struct ebda_config *cfg);
-/*
- * EBDA structure
- *
- * SOC should implement EBDA structure as per need
- * as below.
- *
- * Note: First 4 bytes should be reserved for signature as
- * 0xEBDA
- *
- * struct ebda_config {
- * uint32_t signature;
- * <Required variables..>
- * };
- */
+/* API for filling ebda with data in romstage */
+void fill_memmap_ebda(struct ebda_config *cfg);
#endif
diff --git a/src/soc/intel/common/block/systemagent/memmap.c b/src/soc/intel/common/block/systemagent/memmap.c
index ea22aa6d18..809c13a1ff 100644
--- a/src/soc/intel/common/block/systemagent/memmap.c
+++ b/src/soc/intel/common/block/systemagent/memmap.c
@@ -19,15 +19,82 @@
#include <console/console.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/smm.h>
+#include <fsp/util.h>
+#include <intelblocks/ebda.h>
#include <intelblocks/systemagent.h>
#include <stdlib.h>
+/*
+ * Expected Host Memory Map (we don't know 100% and not all regions are present on all SoCs):
+ *
+ * +---------------------------+ TOUUD
+ * | |
+ * +---------------------------+ TOM (if mem > 4GB)
+ * | CSME UMA (if mem > 4 GiB) |
+ * +---------------------------+ TOUUD
+ * | |
+ * +---------------------------+ 4GiB
+ * | PCI Address Space |
+ * +---------------------------+ TOM (if mem < 4GB)
+ * | CSME UMA (if mem < 4 GiB) |
+ * +---------------------------+ TOLUD (also maps into MC address space)
+ * | iGD / DSM |
+ * +---------------------------+ BDSM
+ * | GTT / GSM |
+ * +---------------------------+ TOLM
+ * | TSEG |
+ * +---------------------------+ TSEGMB
+ * | DMA Protected Region |
+ * +---------------------------+ DPR
+ * | PRM (C6DRAM/SGX) |
+ * +---------------------------+ PRMRR
+ * | Probeless Trace |
+ * +---------------------------+ ME Stolen
+ * | PTT |
+ * +---------------------------+ TOLUM / top_of_ram / cbmem_top
+ * | CBMEM Root |
+ * +---------------------------+
+ * | FSP Reserved Memory |
+ * +---------------------------+
+ * | various CBMEM entries |
+ * +---------------------------+ top_of_stack (8 byte aligned)
+ * | stack (CBMEM entry) |
+ * +---------------------------+ FSP TOLUM
+ * | |
+ * +---------------------------+ 0
+ */
+
void smm_region(uintptr_t *start, size_t *size)
{
*start = sa_get_tseg_base();
*size = sa_get_tseg_size();
}
+#if CONFIG(SOC_INTEL_COMMON_BLOCK_EBDA)
+void fill_memmap_ebda(struct ebda_config *cfg)
+{
+ struct range_entry tolum;
+
+ fsp_find_bootloader_tolum(&tolum);
+ cfg->cbmem_top = range_entry_end(&tolum);
+}
+
+void cbmem_top_init(void)
+{
+ /* Initialize EBDA area */
+ initialize_ebda_area();
+}
+
+void *cbmem_top_chipset(void)
+{
+ struct ebda_config ebda_cfg;
+
+ retrieve_ebda_object(&ebda_cfg);
+
+ return (void *)(uintptr_t)ebda_cfg.cbmem_top;
+}
+#endif
+
void fill_postcar_frame(struct postcar_frame *pcf)
{
uintptr_t top_of_ram;
diff --git a/src/soc/intel/icelake/Makefile.inc b/src/soc/intel/icelake/Makefile.inc
index a4ebd20580..67a3a7114a 100644
--- a/src/soc/intel/icelake/Makefile.inc
+++ b/src/soc/intel/icelake/Makefile.inc
@@ -21,12 +21,10 @@ bootblock-y += bootblock/pch.c
bootblock-y += bootblock/report_platform.c
bootblock-y += espi.c
bootblock-y += gpio.c
-bootblock-y += memmap.c
bootblock-y += p2sb.c
romstage-y += espi.c
romstage-y += gpio.c
-romstage-y += memmap.c
romstage-y += reset.c
ramstage-y += acpi.c
@@ -39,7 +37,6 @@ ramstage-y += fsp_params.c
ramstage-y += gpio.c
ramstage-y += graphics.c
ramstage-y += lockdown.c
-ramstage-y += memmap.c
ramstage-y += p2sb.c
ramstage-y += pmc.c
ramstage-y += reset.c
@@ -54,8 +51,6 @@ smm-y += pmutil.c
smm-y += smihandler.c
smm-y += uart.c
-postcar-y += memmap.c
-
CPPFLAGS_common += -I$(src)/soc/intel/icelake
CPPFLAGS_common += -I$(src)/soc/intel/icelake/include
diff --git a/src/soc/intel/icelake/memmap.c b/src/soc/intel/icelake/memmap.c
deleted file mode 100644
index a4fd2e8a48..0000000000
--- a/src/soc/intel/icelake/memmap.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2018 Intel Corp.
- *
- * 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 <arch/romstage.h>
-#include <cbmem.h>
-#include <fsp/util.h>
-#include <intelblocks/ebda.h>
-#include <intelblocks/systemagent.h>
-#include <stdlib.h>
-
-/*
- * Fill up memory layout information
- *
- * Host Memory Map:
- *
- * +--------------------------+ TOUUD
- * | |
- * +--------------------------+ 4GiB
- * | PCI Address Space |
- * +--------------------------+ TOLUD (also maps into MC address space)
- * | iGD |
- * +--------------------------+ BDSM
- * | GTT |
- * +--------------------------+ BGSM
- * | TSEG |
- * +--------------------------+ TSEGMB
- * | DMA Protected Region |
- * +--------------------------+ DPR
- * | PRM (C6DRAM/SGX) |
- * +--------------------------+ PRMRR
- * | ME Stolen Memory |
- * +--------------------------+ ME Stolen
- * | PTT |
- * +--------------------------+ top_of_ram
- * | Reserved - FSP/CBMEM |
- * +--------------------------+ TOLUM
- * | Usage DRAM |
- * +--------------------------+ 0
- *
- * Some of the base registers above can be equal making the size of those
- * regions 0. The reason is because the memory controller internally subtracts
- * the base registers from each other to determine sizes of the regions. In
- * other words, the memory map is in a fixed order no matter what.
- */
-void fill_soc_memmap_ebda(struct ebda_config *cfg)
-{
- struct range_entry tolum;
-
- fsp_find_bootloader_tolum(&tolum);
- cfg->cbmem_top = range_entry_end(&tolum);
-}
-
-void cbmem_top_init(void)
-{
- /* Fill up EBDA area */
- fill_ebda_area();
-}
-
-/*
- * +-------------------------+ Top of RAM (aligned)
- * | System Management Mode |
- * | code and data | Length: CONFIG_TSEG_SIZE
- * | (TSEG) |
- * +-------------------------+ SMM base (aligned)
- * | |
- * | Chipset Reserved Memory |
- * | |
- * +-------------------------+ top_of_ram (aligned)
- * | |
- * | CBMEM Root |
- * | |
- * +-------------------------+
- * | |
- * | FSP Reserved Memory |
- * | |
- * +-------------------------+
- * | |
- * | Various CBMEM Entries |
- * | |
- * +-------------------------+ top_of_stack (8 byte aligned)
- * | |
- * | stack (CBMEM Entry) |
- * | |
- * +-------------------------+
- */
-void *cbmem_top_chipset(void)
-{
- struct ebda_config ebda_cfg;
-
- retrieve_ebda_object(&ebda_cfg);
-
- return (void *)(uintptr_t)ebda_cfg.cbmem_top;
-}
diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index cb0906c1d5..b049e84795 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -33,7 +33,6 @@ verstage-y += uart.c
romstage-y += gpio.c
romstage-y += gspi.c
romstage-y += i2c.c
-romstage-y += memmap.c
romstage-y += me.c
romstage-y += pmc.c
romstage-y += pmutil.c
@@ -54,7 +53,6 @@ ramstage-y += irq.c
ramstage-y += lockdown.c
ramstage-y += lpc.c
ramstage-y += me.c
-ramstage-y += memmap.c
ramstage-y += p2sb.c
ramstage-y += pmc.c
ramstage-y += pmutil.c
@@ -76,7 +74,6 @@ smm-y += smihandler.c
smm-y += uart.c
smm-y += xhci.c
-postcar-y += memmap.c
postcar-y += gspi.c
postcar-y += spi.c
postcar-y += i2c.c
diff --git a/src/soc/intel/skylake/memmap.c b/src/soc/intel/skylake/memmap.c
deleted file mode 100644
index 63e7acdb85..0000000000
--- a/src/soc/intel/skylake/memmap.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Google Inc.
- * Copyright (C) 2015-2017 Intel Corporation.
- *
- * 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 <arch/romstage.h>
-#include <cbmem.h>
-#include <fsp/util.h>
-#include <intelblocks/ebda.h>
-#include <intelblocks/systemagent.h>
-#include <stdlib.h>
-
-/*
- * Fill up memory layout information
- *
- * Host Memory Map:
- *
- * +--------------------------+ TOUUD
- * | |
- * +--------------------------+ 4GiB
- * | PCI Address Space |
- * +--------------------------+ TOLUD (also maps into MC address space)
- * | iGD |
- * +--------------------------+ BDSM
- * | GTT |
- * +--------------------------+ BGSM
- * | TSEG |
- * +--------------------------+ TSEGMB
- * | DMA Protected Region |
- * +--------------------------+ DPR
- * | PRM (C6DRAM/SGX) |
- * +--------------------------+ PRMRR
- * | ME Stolen Memory |
- * +--------------------------+ ME Stolen
- * | PTT |
- * +--------------------------+ top_of_ram
- * | Reserved - FSP/CBMEM |
- * +--------------------------+ TOLUM
- * | Usage DRAM |
- * +--------------------------+ 0
- *
- * Some of the base registers above can be equal making the size of those
- * regions 0. The reason is because the memory controller internally subtracts
- * the base registers from each other to determine sizes of the regions. In
- * other words, the memory map is in a fixed order no matter what.
- */
-void fill_soc_memmap_ebda(struct ebda_config *cfg)
-{
- struct range_entry tolum;
-
- fsp_find_bootloader_tolum(&tolum);
- cfg->cbmem_top = range_entry_end(&tolum);
-}
-
-void cbmem_top_init(void)
-{
- /* Fill up EBDA area */
- fill_ebda_area();
-}
-
-/*
- * +-------------------------+ Top of RAM (aligned)
- * | System Management Mode |
- * | code and data | Length: CONFIG_TSEG_SIZE
- * | (TSEG) |
- * +-------------------------+ SMM base (aligned)
- * | |
- * | Chipset Reserved Memory |
- * | |
- * +-------------------------+ top_of_ram (aligned)
- * | |
- * | CBMEM Root |
- * | |
- * +-------------------------+
- * | |
- * | FSP Reserved Memory |
- * | |
- * +-------------------------+
- * | |
- * | Various CBMEM Entries |
- * | |
- * +-------------------------+ top_of_stack (8 byte aligned)
- * | |
- * | stack (CBMEM Entry) |
- * | |
- * +-------------------------+
- */
-void *cbmem_top_chipset(void)
-{
- struct ebda_config ebda_cfg;
-
- retrieve_ebda_object(&ebda_cfg);
-
- return (void *)(uintptr_t)ebda_cfg.cbmem_top;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 06:15:18 +0000