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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-06-28 16:33:33 +0300 |
---|---|---|
committer | Nico Huber <nico.h@gmx.de> | 2021-01-10 11:15:10 +0000 |
commit | 3139c8dc05a363810b4dd9c45f01667760e22a58 (patch) | |
tree | 76223cd373d4b1dd8c94efcaef3fc2ad13cb6546 /src/acpi | |
parent | fb777b5da8ea7426cf8e9af2876a724c1f067ba9 (diff) | |
download | coreboot-3139c8dc05a363810b4dd9c45f01667760e22a58.tar.gz coreboot-3139c8dc05a363810b4dd9c45f01667760e22a58.tar.bz2 coreboot-3139c8dc05a363810b4dd9c45f01667760e22a58.zip |
ACPI: Drop redundant CBMEM_ID_ACPI_GNVS allocations
Allocation now happens prior to device enumeration. The
step cbmem_add() is a no-op here, if reached for some
boards. The memset() here is also redundant and becomes
harmful with followup works, as it would wipe out the
CBMEM console and ChromeOS related fields without them
being set again.
Change-Id: I9b2625af15cae90b9c1eb601e606d0430336609f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48701
Reviewed-by: Lance Zhao
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/acpi')
-rw-r--r-- | src/acpi/Kconfig | 6 | ||||
-rw-r--r-- | src/acpi/Makefile.inc | 1 | ||||
-rw-r--r-- | src/acpi/gnvs.c | 7 | ||||
-rw-r--r-- | src/acpi/nvs.c | 23 |
4 files changed, 31 insertions, 6 deletions
diff --git a/src/acpi/Kconfig b/src/acpi/Kconfig index 11ef12a347ed..293c1945384d 100644 --- a/src/acpi/Kconfig +++ b/src/acpi/Kconfig @@ -24,6 +24,12 @@ config ACPI_INTEL_HARDWARE_SLEEP_VALUES Provide common definitions for Intel hardware PM1_CNT register sleep values. +config ACPI_SOC_NVS + bool + help + Set to indicate <soc/nvs.h> exists for the platform with a definition + for global_nvs. + config ACPI_NO_PCAT_8259 bool help diff --git a/src/acpi/Makefile.inc b/src/acpi/Makefile.inc index 2f06be1a2cc0..1cd837dd884a 100644 --- a/src/acpi/Makefile.inc +++ b/src/acpi/Makefile.inc @@ -12,6 +12,7 @@ ramstage-y += acpigen_usb.c ramstage-y += device.c ramstage-$(CONFIG_CHROMEOS) += chromeos-gnvs.c ramstage-y += gnvs.c +ramstage-$(CONFIG_ACPI_SOC_NVS) += nvs.c ramstage-y += pld.c ramstage-y += sata.c ramstage-y += soundwire.c diff --git a/src/acpi/gnvs.c b/src/acpi/gnvs.c index c0a58f3ba75c..aed66f946c62 100644 --- a/src/acpi/gnvs.c +++ b/src/acpi/gnvs.c @@ -29,12 +29,7 @@ static void gnvs_assign_cbmc(void) *gnvs_cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE); } -/* Platforms that implement GNVS will need to implement these. */ -__weak size_t gnvs_size_of_array(void) -{ - return 0; -} - +/* Needs implementation in platform code. */ __weak uint32_t *gnvs_cbmc_ptr(struct global_nvs *gnvs_) { return NULL; diff --git a/src/acpi/nvs.c b/src/acpi/nvs.c new file mode 100644 index 000000000000..063819158cd7 --- /dev/null +++ b/src/acpi/nvs.c @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <acpi/acpi_gnvs.h> +#include <soc/nvs.h> +#include <stdint.h> + +size_t gnvs_size_of_array(void) +{ + return sizeof(struct global_nvs); +} + +uint32_t *gnvs_cbmc_ptr(struct global_nvs *gnvs) +{ + return &gnvs->cbmc; +} + +/* Some <soc/nvs.h> have no chromeos entry. */ +#if CONFIG(MAINBOARD_HAS_CHROMEOS) +void *gnvs_chromeos_ptr(struct global_nvs *gnvs) +{ + return &gnvs->chromeos; +} +#endif |