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hwinfo: support exx32 family

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add hwinfo driver support for the
exx32 gecko family.

Signed-off-by: Sun Amar <sun681@gmail.com>
This commit is contained in:
Sun Amar 2021-02-20 18:52:50 +02:00 committed by Ioannis Glaropoulos
parent 305ba26c6e
commit 1be7937f4e
3 changed files with 32 additions and 0 deletions
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1
drivers/hwinfo/CMakeLists.txt
View file

@ -13,4 +13,5 @@ zephyr_sources_ifdef(CONFIG_HWINFO_SAM4L hwinfo_sam4l.c)
zephyr_sources_ifdef(CONFIG_HWINFO_SAM0 hwinfo_sam0.c)
zephyr_sources_ifdef(CONFIG_HWINFO_LITEX hwinfo_litex.c)
zephyr_sources_ifdef(CONFIG_HWINFO_PSOC6 hwinfo_psoc6.c)
zephyr_sources_ifdef(CONFIG_HWINFO_GECKO hwinfo_gecko.c)
zephyr_sources_ifdef(CONFIG_HWINFO_SHELL hwinfo_shell.c)

8
drivers/hwinfo/Kconfig
View file

@ -100,4 +100,12 @@ config HWINFO_PSOC6
help
Enable Cypress PSoC-6 hwinfo driver.
config HWINFO_GECKO
bool "GECKO hwinfo"
default y
depends on SOC_FAMILY_EXX32
select HWINFO_HAS_DRIVER
help
Enable Silabs GECKO hwinfo driver.
endif

23
drivers/hwinfo/hwinfo_gecko.c Normal file
View file

@ -0,0 +1,23 @@
/*
* Copyright (c) 2021 Sun Amar
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <em_system.h>
#include <drivers/hwinfo.h>
#include <string.h>
#include <sys/byteorder.h>
ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
{
uint64_t unique_id = sys_cpu_to_be64(SYSTEM_GetUnique());
if (length > sizeof(unique_id)) {
length = sizeof(unique_id);
}
memcpy(buffer, &unique_id, length);
return length;
}