intel/baytrail,broadwell: Move stage cache support function
Let garbage-collection take care of stage_cache_external_region()
when it is not needed and move implementation to a suitable file
already building for needed stages.
Change-Id: Ia6adcc0c8bf6d4abc095ac669aaae876b33ed0f3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34669
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/baytrail/Makefile.inc b/src/soc/intel/baytrail/Makefile.inc
index 3ad6a8f..d966346 100644
--- a/src/soc/intel/baytrail/Makefile.inc
+++ b/src/soc/intel/baytrail/Makefile.inc
@@ -13,7 +13,6 @@
romstage-y += memmap.c
romstage-y += pmutil.c
romstage-y += spi.c
-romstage-y += stage_cache.c
romstage-y += tsc_freq.c
postcar-y += iosf.c
@@ -45,7 +44,6 @@
ramstage-y += smm.c
ramstage-y += southcluster.c
ramstage-y += spi.c
-ramstage-y += stage_cache.c
ramstage-y += tsc_freq.c
ramstage-y += xhci.c
ramstage-$(CONFIG_ELOG) += elog.c
diff --git a/src/soc/intel/baytrail/memmap.c b/src/soc/intel/baytrail/memmap.c
index 211f476..94e91ca 100644
--- a/src/soc/intel/baytrail/memmap.c
+++ b/src/soc/intel/baytrail/memmap.c
@@ -14,6 +14,7 @@
*/
#include <cbmem.h>
+#include <stage_cache.h>
#include <soc/iosf.h>
#include <soc/smm.h>
@@ -26,3 +27,16 @@
{
return (void *) smm_region_start();
}
+
+void stage_cache_external_region(void **base, size_t *size)
+{
+ char *smm_base;
+ /* 1MiB cache size */
+ const long cache_size = CONFIG_SMM_RESERVED_SIZE;
+
+ /* Ramstage cache lives in TSEG region which is the definition of
+ * cbmem_top(). */
+ smm_base = cbmem_top();
+ *size = cache_size;
+ *base = &smm_base[smm_region_size() - cache_size];
+}
diff --git a/src/soc/intel/baytrail/stage_cache.c b/src/soc/intel/baytrail/stage_cache.c
deleted file mode 100644
index 4c2a976..0000000
--- a/src/soc/intel/baytrail/stage_cache.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Google 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.
- */
-
-#include <cbmem.h>
-#include <stage_cache.h>
-#include <soc/smm.h>
-
-void stage_cache_external_region(void **base, size_t *size)
-{
- char *smm_base;
- /* 1MiB cache size */
- const long cache_size = CONFIG_SMM_RESERVED_SIZE;
-
- /* Ramstage cache lives in TSEG region which is the definition of
- * cbmem_top(). */
- smm_base = cbmem_top();
- *size = cache_size;
- *base = &smm_base[smm_region_size() - cache_size];
-}
diff --git a/src/soc/intel/broadwell/Makefile.inc b/src/soc/intel/broadwell/Makefile.inc
index a79fa46..91a3da0 100644
--- a/src/soc/intel/broadwell/Makefile.inc
+++ b/src/soc/intel/broadwell/Makefile.inc
@@ -68,9 +68,6 @@
postcar-y += spi.c
ramstage-y += spi.c
smm-$(CONFIG_SPI_FLASH_SMM) += spi.c
-ramstage-y += stage_cache.c
-romstage-y += stage_cache.c
-postcar-y += stage_cache.c
ramstage-y += systemagent.c
bootblock-y += tsc_freq.c
ramstage-y += tsc_freq.c
diff --git a/src/soc/intel/broadwell/memmap.c b/src/soc/intel/broadwell/memmap.c
index 836fda8..7c53fa6 100644
--- a/src/soc/intel/broadwell/memmap.c
+++ b/src/soc/intel/broadwell/memmap.c
@@ -15,11 +15,14 @@
#define __SIMPLE_DEVICE__
-#include <device/pci_ops.h>
#include <cbmem.h>
#include <device/pci.h>
+#include <device/pci_ops.h>
#include <soc/pci_devs.h>
#include <soc/systemagent.h>
+#include <soc/smm.h>
+#include <stage_cache.h>
+#include <stdint.h>
static uintptr_t dpr_region_start(void)
{
@@ -42,3 +45,15 @@
{
return (void *) dpr_region_start();
}
+
+void stage_cache_external_region(void **base, size_t *size)
+{
+ /* The ramstage cache lives in the TSEG region.
+ * The top of RAM is defined to be the TSEG base address. */
+ u32 offset = smm_region_size();
+ offset -= CONFIG_IED_REGION_SIZE;
+ offset -= CONFIG_SMM_RESERVED_SIZE;
+
+ *base = (void *)(cbmem_top() + offset);
+ *size = CONFIG_SMM_RESERVED_SIZE;
+}
diff --git a/src/soc/intel/broadwell/stage_cache.c b/src/soc/intel/broadwell/stage_cache.c
deleted file mode 100644
index dc59ab7..0000000
--- a/src/soc/intel/broadwell/stage_cache.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Google 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.
- */
-
-#include <cbmem.h>
-#include <soc/smm.h>
-#include <stage_cache.h>
-#include <stdint.h>
-
-void stage_cache_external_region(void **base, size_t *size)
-{
- /* The ramstage cache lives in the TSEG region.
- * The top of RAM is defined to be the TSEG base address. */
- u32 offset = smm_region_size();
- offset -= CONFIG_IED_REGION_SIZE;
- offset -= CONFIG_SMM_RESERVED_SIZE;
-
- *base = (void *)(cbmem_top() + offset);
- *size = CONFIG_SMM_RESERVED_SIZE;
-}