summaryrefslogtreecommitdiff
path: root/src/soc/intel/apollolake
diff options
context:
space:
mode:
authorKyösti Mälkki <kyosti.malkki@gmail.com>2019-08-17 20:51:08 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-08-26 21:08:41 +0000
commitcd7a70f4879ff6e0f3e334ddf1031ccf0c0d31cf (patch)
treeb0438431df0943ab5f0fa9d80a99fc265130ac23 /src/soc/intel/apollolake
parent16248e89ecf73a76e5d9e9e2de46146f7ffece88 (diff)
soc/intel: Use common romstage code
This provides stack guards with checking and common entry into postcar. The code in cpu/intel/car/romstage.c is candidate for becoming architectural so function prototype is moved to <arch/romstage.h>. Change-Id: I4c5a9789e7cf3f7f49a4a33e21dac894320a9639 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34893 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/apollolake')
-rw-r--r--src/soc/intel/apollolake/romstage.c29
1 files changed, 11 insertions, 18 deletions
diff --git a/src/soc/intel/apollolake/romstage.c b/src/soc/intel/apollolake/romstage.c
index 1464d2c6b3..2c283396c9 100644
--- a/src/soc/intel/apollolake/romstage.c
+++ b/src/soc/intel/apollolake/romstage.c
@@ -16,7 +16,6 @@
* GNU General Public License for more details.
*/
-#include <arch/cpu.h>
#include <arch/romstage.h>
#include <device/pci_ops.h>
#include <arch/symbols.h>
@@ -193,20 +192,15 @@ void set_max_freq(void)
cpu_set_p_state_to_turbo_ratio();
}
-asmlinkage void car_stage_entry(void)
+void mainboard_romstage_entry(void)
{
- struct postcar_frame pcf;
- uintptr_t top_of_ram;
bool s3wake;
+ size_t var_size;
struct chipset_power_state *ps = pmc_get_power_state();
- uintptr_t smm_base;
- size_t smm_size, var_size;
const void *new_var_data;
timestamp_add_now(TS_START_ROMSTAGE);
- console_init();
-
soc_early_romstage_init();
s3wake = pmc_fill_power_state(ps) == ACPI_S3;
@@ -227,10 +221,14 @@ asmlinkage void car_stage_entry(void)
else
printk(BIOS_ERR, "Failed to determine variable data\n");
- if (postcar_frame_init(&pcf, 0))
- die("Unable to initialize postcar frame.\n");
-
mainboard_save_dimm_info();
+}
+
+void fill_postcar_frame(struct postcar_frame *pcf)
+{
+ uintptr_t top_of_ram;
+ uintptr_t smm_base;
+ size_t smm_size;
/*
* We need to make sure ramstage will be run cached. At this point exact
@@ -240,12 +238,9 @@ asmlinkage void car_stage_entry(void)
top_of_ram = (uintptr_t) cbmem_top();
/* cbmem_top() needs to be at least 16 MiB aligned */
assert(ALIGN_DOWN(top_of_ram, 16*MiB) == top_of_ram);
- postcar_frame_add_mtrr(&pcf, top_of_ram - 16*MiB, 16*MiB,
+ postcar_frame_add_mtrr(pcf, top_of_ram - 16*MiB, 16*MiB,
MTRR_TYPE_WRBACK);
- /* Cache the memory-mapped boot media. */
- postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT);
-
/*
* Cache the TSEG region at the top of ram. This region is
* not restricted to SMM mode until SMM has been relocated.
@@ -254,9 +249,7 @@ asmlinkage void car_stage_entry(void)
* region for other purposes.
*/
smm_region(&smm_base, &smm_size);
- postcar_frame_add_mtrr(&pcf, smm_base, smm_size, MTRR_TYPE_WRBACK);
-
- run_postcar_phase(&pcf);
+ postcar_frame_add_mtrr(pcf, smm_base, smm_size, MTRR_TYPE_WRBACK);
}
static void fill_console_params(FSPM_UPD *mupd)