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intel/apollolake: Update gnvs for dptf

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This patch updates dptf variable in gnvs based on device
configuration by reading the device tree structure.

BUG=chrome-os-partner:53096
TEST=Verify that the thermal zones are enumerated
       under /sys/class/thermal in Amenia and Reef board.
       Navigate to /sys/class/thermal, and verify that a
       thermal zone of type TCPU exists there.

Change-Id: I8ab34cdc94d8cdc840b02347569a9f07688e92cd
Signed-off-by: Shaunak Saha <shaunak.saha@intel.com>
Reviewed-on: https://review.coreboot.org/15620
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Shaunak Saha 2016-07-12 01:22:33 -07:00 committed by Duncan Laurie
parent 5dd2b18540
commit cd9e1e423f
2 changed files with 17 additions and 0 deletions
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14
src/soc/intel/apollolake/acpi.c
View File

@ -27,6 +27,8 @@
#include <soc/iomap.h> #include <soc/iomap.h>
#include <soc/pm.h> #include <soc/pm.h>
#include <soc/nvs.h> #include <soc/nvs.h>
#include <soc/pci_devs.h>
#include "chip.h"
#define CSTATE_RES(address_space, width, offset, address) \ #define CSTATE_RES(address_space, width, offset, address) \
{ \ { \
@ -146,6 +148,15 @@ unsigned long southbridge_write_acpi_tables(device_t device,
static void acpi_create_gnvs(struct global_nvs_t *gnvs) static void acpi_create_gnvs(struct global_nvs_t *gnvs)
{ {
struct soc_intel_apollolake_config *cfg;
struct device *dev = NB_DEV_ROOT;
if (!dev || !dev->chip_info) {
printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
return;
}
cfg = dev->chip_info;
if (IS_ENABLED(CONFIG_CONSOLE_CBMEM)) if (IS_ENABLED(CONFIG_CONSOLE_CBMEM))
gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE); gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE);
@ -154,6 +165,9 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs)
chromeos_init_vboot(&gnvs->chromeos); chromeos_init_vboot(&gnvs->chromeos);
gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO; gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
} }
/* Enable DPTF based on mainboard configuration */
gnvs->dpte = cfg->dptf_enable;
} }
void southbridge_inject_dsdt(device_t device) void southbridge_inject_dsdt(device_t device)

3
src/soc/intel/apollolake/chip.h
View File

@ -102,6 +102,9 @@ struct soc_intel_apollolake_config {
/* Configure LPSS S0ix Enable */ /* Configure LPSS S0ix Enable */
uint8_t lpss_s0ix_enable; uint8_t lpss_s0ix_enable;
/* Enable DPTF support */
int dptf_enable;
}; };
#endif /* _SOC_APOLLOLAKE_CHIP_H_ */ #endif /* _SOC_APOLLOLAKE_CHIP_H_ */