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-rw-r--r--src/cpu/intel/haswell/Kconfig1
-rw-r--r--src/cpu/intel/haswell/romstage.c49
-rw-r--r--src/mainboard/intel/baskingridge/acpi_tables.c2
-rw-r--r--src/mainboard/intel/wtm1/acpi_tables.c2
-rw-r--r--src/mainboard/intel/wtm2/acpi_tables.c2
-rw-r--r--src/northbridge/intel/haswell/northbridge.c10
-rw-r--r--src/northbridge/intel/haswell/raminit.c5
7 files changed, 39 insertions, 32 deletions
diff --git a/src/cpu/intel/haswell/Kconfig b/src/cpu/intel/haswell/Kconfig
index d1f521d69f..5f27d4c7e1 100644
--- a/src/cpu/intel/haswell/Kconfig
+++ b/src/cpu/intel/haswell/Kconfig
@@ -12,6 +12,7 @@ config CPU_SPECIFIC_OPTIONS
select SMM_TSEG
select SMM_MODULES
select RELOCATABLE_MODULES
+ select DYNAMIC_CBMEM
select CPU_MICROCODE_IN_CBFS
#select AP_IN_SIPI_WAIT
select TSC_SYNC_MFENCE
diff --git a/src/cpu/intel/haswell/romstage.c b/src/cpu/intel/haswell/romstage.c
index 6164de54ed..5dc45010d7 100644
--- a/src/cpu/intel/haswell/romstage.c
+++ b/src/cpu/intel/haswell/romstage.c
@@ -32,7 +32,6 @@
#include <arch/stages.h>
#include <device/pci_def.h>
#include <cpu/x86/lapic.h>
-#include <cbmem.h>
#include <cbfs.h>
#include <romstage_handoff.h>
#include <reset.h>
@@ -70,13 +69,17 @@ static inline u32 *stack_push(u32 *stack, u32 value)
return stack;
}
+/* Romstage needs quite a bit of stack for decompressing images since the lzma
+ * lib keeps its state on the stack during romstage. */
+#define ROMSTAGE_RAM_STACK_SIZE 0x5000
static unsigned long choose_top_of_stack(void)
{
unsigned long stack_top;
-#if CONFIG_RELOCATABLE_RAMSTAGE
- stack_top = (unsigned long)cbmem_add(CBMEM_ID_RESUME_SCRATCH,
- CONFIG_HIGH_SCRATCH_MEMORY_SIZE);
- stack_top += CONFIG_HIGH_SCRATCH_MEMORY_SIZE;
+#if CONFIG_DYNAMIC_CBMEM
+ /* cbmem_add() does a find() before add(). */
+ stack_top = (unsigned long)cbmem_add(CBMEM_ID_ROMSTAGE_RAM_STACK,
+ ROMSTAGE_RAM_STACK_SIZE);
+ stack_top += ROMSTAGE_RAM_STACK_SIZE;
#else
stack_top = ROMSTAGE_STACK;
#endif
@@ -197,7 +200,6 @@ void romstage_common(const struct romstage_params *params)
{
int boot_mode;
int wake_from_s3;
- int cbmem_was_initted;
struct romstage_handoff *handoff;
#if CONFIG_COLLECT_TIMESTAMPS
@@ -265,23 +267,16 @@ void romstage_common(const struct romstage_params *params)
quick_ram_check();
post_code(0x3e);
-#if CONFIG_EARLY_CBMEM_INIT
- cbmem_was_initted = !cbmem_initialize();
-#else
- cbmem_was_initted = cbmem_reinit((uint64_t) (get_top_of_ram()
- - HIGH_MEMORY_SIZE));
-#endif
-
- /* Save data returned from MRC on non-S3 resumes. */
- if (!wake_from_s3)
+ if (!wake_from_s3) {
+ cbmem_initialize_empty();
+ /* Save data returned from MRC on non-S3 resumes. */
save_mrc_data(params->pei_data);
-
-#if CONFIG_HAVE_ACPI_RESUME
- if (wake_from_s3 && !cbmem_was_initted) {
+ } else if (cbmem_initialize()) {
+ #if CONFIG_HAVE_ACPI_RESUME
/* Failed S3 resume, reset to come up cleanly */
reset_system();
+ #endif
}
-#endif
handoff = romstage_handoff_find_or_add();
if (handoff != NULL)
@@ -330,11 +325,16 @@ void romstage_after_car(void)
#if CONFIG_RELOCATABLE_RAMSTAGE
void cache_loaded_ramstage(struct romstage_handoff *handoff,
- void *ramstage_base, uint32_t ramstage_size,
+ const struct cbmem_entry *ramstage,
void *entry_point)
{
struct ramstage_cache *cache;
uint32_t total_size;
+ uint32_t ramstage_size;
+ void *ramstage_base;
+
+ ramstage_size = cbmem_entry_size(ramstage);
+ ramstage_base = cbmem_entry_start(ramstage);
/* The ramstage cache lives in the TSEG region at RESERVED_SMM_OFFSET.
* The top of ram is defined to be the TSEG base address. */
@@ -358,19 +358,14 @@ void cache_loaded_ramstage(struct romstage_handoff *handoff,
/* Copy over the program. */
memcpy(&cache->program[0], ramstage_base, ramstage_size);
- /* Do not update reserve region if the handoff structure is not
- * available. Perhaps the ramstage will fix things up for the resume
- * path. */
if (handoff == NULL)
return;
- /* Update entry and reserve region. */
- handoff->reserve_base = (uint32_t)ramstage_base;
- handoff->reserve_size = ramstage_size;
handoff->ramstage_entry_point = (uint32_t)entry_point;
}
-void *load_cached_ramstage(struct romstage_handoff *handoff)
+void *load_cached_ramstage(struct romstage_handoff *handoff,
+ const struct cbmem_entry *ramstage)
{
struct ramstage_cache *cache;
diff --git a/src/mainboard/intel/baskingridge/acpi_tables.c b/src/mainboard/intel/baskingridge/acpi_tables.c
index 823abcf68d..5131ec14fa 100644
--- a/src/mainboard/intel/baskingridge/acpi_tables.c
+++ b/src/mainboard/intel/baskingridge/acpi_tables.c
@@ -87,7 +87,7 @@ static void acpi_create_gnvs(global_nvs_t *gnvs)
gnvs->s5u1 = 1;
/* CBMEM TOC */
- gnvs->cmem = (u32)get_cbmem_toc();
+ gnvs->cmem = 0;
/* IGD Displays */
gnvs->ndid = 3;
diff --git a/src/mainboard/intel/wtm1/acpi_tables.c b/src/mainboard/intel/wtm1/acpi_tables.c
index 18c9bb25d5..4232afc673 100644
--- a/src/mainboard/intel/wtm1/acpi_tables.c
+++ b/src/mainboard/intel/wtm1/acpi_tables.c
@@ -84,7 +84,7 @@ static void acpi_create_gnvs(global_nvs_t *gnvs)
gnvs->s5u1 = 0;
/* CBMEM TOC */
- gnvs->cmem = (u32)get_cbmem_toc();
+ gnvs->cmem = 0;
/* IGD Displays */
gnvs->ndid = 3;
diff --git a/src/mainboard/intel/wtm2/acpi_tables.c b/src/mainboard/intel/wtm2/acpi_tables.c
index 18c9bb25d5..4232afc673 100644
--- a/src/mainboard/intel/wtm2/acpi_tables.c
+++ b/src/mainboard/intel/wtm2/acpi_tables.c
@@ -84,7 +84,7 @@ static void acpi_create_gnvs(global_nvs_t *gnvs)
gnvs->s5u1 = 0;
/* CBMEM TOC */
- gnvs->cmem = (u32)get_cbmem_toc();
+ gnvs->cmem = 0;
/* IGD Displays */
gnvs->ndid = 3;
diff --git a/src/northbridge/intel/haswell/northbridge.c b/src/northbridge/intel/haswell/northbridge.c
index 53c2f366c2..b57b28e632 100644
--- a/src/northbridge/intel/haswell/northbridge.c
+++ b/src/northbridge/intel/haswell/northbridge.c
@@ -543,6 +543,16 @@ static void northbridge_init(struct device *dev)
MCHBAR32(0x5500) = 0x00100001;
}
+void *cbmem_top(void)
+{
+ u32 reg;
+
+ /* The top the reserve regions fall just below the TSEG region. */
+ reg = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0, 0)), TSEG);
+
+ return (void *)(reg & ~((1 << 20) - 1));
+}
+
static void northbridge_enable(device_t dev)
{
#if CONFIG_HAVE_ACPI_RESUME
diff --git a/src/northbridge/intel/haswell/raminit.c b/src/northbridge/intel/haswell/raminit.c
index 9a9bb1c09f..c1095a7eb7 100644
--- a/src/northbridge/intel/haswell/raminit.c
+++ b/src/northbridge/intel/haswell/raminit.c
@@ -202,9 +202,10 @@ void sdram_initialize(struct pei_data *pei_data)
report_memory_config();
}
-struct cbmem_entry *get_cbmem_toc(void)
+void *cbmem_top(void)
{
- return (struct cbmem_entry *)(get_top_of_ram() - HIGH_MEMORY_SIZE);
+ /* Top of cbmem is at lowest usable DRAM address below 4GiB. */
+ return (void *)get_top_of_ram();
}
unsigned long get_top_of_ram(void)