mirror of
https://github.com/riscv-software-src/opensbi.git
synced 2025-08-24 15:31:22 +01:00
lib: utils: Add simple FDT based HSM driver framework
The generic platform can have multiple HSM drivers so add a simple FDT based HSM driver framework. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
26
include/sbi_utils/hsm/fdt_hsm.h
Normal file
26
include/sbi_utils/hsm/fdt_hsm.h
Normal file
@@ -0,0 +1,26 @@
|
|||||||
|
/*
|
||||||
|
* SPDX-License-Identifier: BSD-2-Clause
|
||||||
|
*
|
||||||
|
* Copyright (c) 2024 Ventana Micro Systems Inc.
|
||||||
|
*
|
||||||
|
* Authors:
|
||||||
|
* Anup Patel <apatel@ventanamicro.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __FDT_HSM_H__
|
||||||
|
#define __FDT_HSM_H__
|
||||||
|
|
||||||
|
#include <sbi/sbi_types.h>
|
||||||
|
#include <sbi_utils/fdt/fdt_driver.h>
|
||||||
|
|
||||||
|
#ifdef CONFIG_FDT_HSM
|
||||||
|
|
||||||
|
void fdt_hsm_init(const void *fdt);
|
||||||
|
|
||||||
|
#else
|
||||||
|
|
||||||
|
static inline void fdt_hsm_init(const void *fdt) { }
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif
|
@@ -6,6 +6,8 @@ source "$(OPENSBI_SRC_DIR)/lib/utils/fdt/Kconfig"
|
|||||||
|
|
||||||
source "$(OPENSBI_SRC_DIR)/lib/utils/gpio/Kconfig"
|
source "$(OPENSBI_SRC_DIR)/lib/utils/gpio/Kconfig"
|
||||||
|
|
||||||
|
source "$(OPENSBI_SRC_DIR)/lib/utils/hsm/Kconfig"
|
||||||
|
|
||||||
source "$(OPENSBI_SRC_DIR)/lib/utils/i2c/Kconfig"
|
source "$(OPENSBI_SRC_DIR)/lib/utils/i2c/Kconfig"
|
||||||
|
|
||||||
source "$(OPENSBI_SRC_DIR)/lib/utils/ipi/Kconfig"
|
source "$(OPENSBI_SRC_DIR)/lib/utils/ipi/Kconfig"
|
||||||
|
10
lib/utils/hsm/Kconfig
Normal file
10
lib/utils/hsm/Kconfig
Normal file
@@ -0,0 +1,10 @@
|
|||||||
|
# SPDX-License-Identifier: BSD-2-Clause
|
||||||
|
|
||||||
|
menu "HSM Device Support"
|
||||||
|
|
||||||
|
config FDT_HSM
|
||||||
|
bool "FDT based HSM drivers"
|
||||||
|
depends on FDT
|
||||||
|
default n
|
||||||
|
|
||||||
|
endmenu
|
22
lib/utils/hsm/fdt_hsm.c
Normal file
22
lib/utils/hsm/fdt_hsm.c
Normal file
@@ -0,0 +1,22 @@
|
|||||||
|
/*
|
||||||
|
* SPDX-License-Identifier: BSD-2-Clause
|
||||||
|
*
|
||||||
|
* Copyright (c) 2024 Ventana Micro Systems Inc.
|
||||||
|
*
|
||||||
|
* Authors:
|
||||||
|
* Anup Patel <apatel@ventanamicro.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <sbi_utils/hsm/fdt_hsm.h>
|
||||||
|
|
||||||
|
/* List of FDT HSM drivers generated at compile time */
|
||||||
|
extern const struct fdt_driver *const fdt_hsm_drivers[];
|
||||||
|
|
||||||
|
void fdt_hsm_init(const void *fdt)
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* Platforms might have multiple HSM devices or might
|
||||||
|
* not have any so probe all and don't fail.
|
||||||
|
*/
|
||||||
|
fdt_driver_init_all(fdt, fdt_hsm_drivers);
|
||||||
|
}
|
3
lib/utils/hsm/fdt_hsm_drivers.carray
Normal file
3
lib/utils/hsm/fdt_hsm_drivers.carray
Normal file
@@ -0,0 +1,3 @@
|
|||||||
|
HEADER: sbi_utils/hsm/fdt_hsm.h
|
||||||
|
TYPE: const struct fdt_driver
|
||||||
|
NAME: fdt_hsm_drivers
|
11
lib/utils/hsm/objects.mk
Normal file
11
lib/utils/hsm/objects.mk
Normal file
@@ -0,0 +1,11 @@
|
|||||||
|
#
|
||||||
|
# SPDX-License-Identifier: BSD-2-Clause
|
||||||
|
#
|
||||||
|
# Copyright (c) 2024 Ventana Micro Systems Inc.
|
||||||
|
#
|
||||||
|
# Authors:
|
||||||
|
# Anup Patel <apatel@ventanamicro.com>
|
||||||
|
#
|
||||||
|
|
||||||
|
libsbiutils-objs-$(CONFIG_FDT_HSM) += hsm/fdt_hsm.o
|
||||||
|
libsbiutils-objs-$(CONFIG_FDT_HSM) += hsm/fdt_hsm_drivers.carray.o
|
@@ -10,6 +10,7 @@ CONFIG_FDT_GPIO=y
|
|||||||
CONFIG_FDT_GPIO_DESIGNWARE=y
|
CONFIG_FDT_GPIO_DESIGNWARE=y
|
||||||
CONFIG_FDT_GPIO_SIFIVE=y
|
CONFIG_FDT_GPIO_SIFIVE=y
|
||||||
CONFIG_FDT_GPIO_STARFIVE=y
|
CONFIG_FDT_GPIO_STARFIVE=y
|
||||||
|
CONFIG_FDT_HSM=y
|
||||||
CONFIG_FDT_I2C=y
|
CONFIG_FDT_I2C=y
|
||||||
CONFIG_FDT_I2C_SIFIVE=y
|
CONFIG_FDT_I2C_SIFIVE=y
|
||||||
CONFIG_FDT_I2C_DW=y
|
CONFIG_FDT_I2C_DW=y
|
||||||
|
@@ -21,6 +21,7 @@
|
|||||||
#include <sbi_utils/fdt/fdt_fixup.h>
|
#include <sbi_utils/fdt/fdt_fixup.h>
|
||||||
#include <sbi_utils/fdt/fdt_helper.h>
|
#include <sbi_utils/fdt/fdt_helper.h>
|
||||||
#include <sbi_utils/fdt/fdt_pmu.h>
|
#include <sbi_utils/fdt/fdt_pmu.h>
|
||||||
|
#include <sbi_utils/hsm/fdt_hsm.h>
|
||||||
#include <sbi_utils/irqchip/fdt_irqchip.h>
|
#include <sbi_utils/irqchip/fdt_irqchip.h>
|
||||||
#include <sbi_utils/irqchip/imsic.h>
|
#include <sbi_utils/irqchip/imsic.h>
|
||||||
#include <sbi_utils/serial/fdt_serial.h>
|
#include <sbi_utils/serial/fdt_serial.h>
|
||||||
@@ -249,6 +250,7 @@ static int generic_early_init(bool cold_boot)
|
|||||||
if (cold_boot) {
|
if (cold_boot) {
|
||||||
fdt_reset_init(fdt);
|
fdt_reset_init(fdt);
|
||||||
fdt_suspend_init(fdt);
|
fdt_suspend_init(fdt);
|
||||||
|
fdt_hsm_init(fdt);
|
||||||
|
|
||||||
if (semihosting_enabled())
|
if (semihosting_enabled())
|
||||||
rc = semihosting_init();
|
rc = semihosting_init();
|
||||||
|
Reference in New Issue
Block a user