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// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright 2017-2020 NXP
*
* Brief CAAM Global Controller.
*/
#include <caam_acipher.h>
#include <caam_common.h>
#include <caam_hal_cfg.h>
#include <caam_hal_clk.h>
#include <caam_hal_ctrl.h>
#include <caam_hash.h>
#include <caam_jr.h>
#include <caam_pwr.h>
#include <caam_rng.h>
#include <caam_utils_mem.h>
#include <initcall.h>
#include <kernel/panic.h>
#include <tee_api_types.h>
/* Crypto driver initialization */
static TEE_Result crypto_driver_init(void)
{
TEE_Result retresult = TEE_ERROR_GENERIC;
enum caam_status retstatus = CAAM_FAILURE;
struct caam_jrcfg jrcfg = {};
/* Enable the CAAM Clock */
caam_hal_clk_enable(true);
retstatus = caam_hal_cfg_get_conf(&jrcfg);
if (retstatus != CAAM_NO_ERROR) {
retresult = TEE_ERROR_NOT_SUPPORTED;
goto exit_init;
}
/* Initialize the CAAM Controller */
caam_hal_ctrl_init(jrcfg.base);
/* Initialize the Job Ring to be used */
retstatus = caam_jr_init(&jrcfg);
if (retstatus != CAAM_NO_ERROR) {
retresult = TEE_ERROR_GENERIC;
goto exit_init;
}
/* Initialize the RNG Module */
retstatus = caam_rng_init(jrcfg.base);
if (retstatus != CAAM_NO_ERROR) {
retresult = TEE_ERROR_GENERIC;
goto exit_init;
}
/* Initialize the Hash Module */
retstatus = caam_hash_init(jrcfg.base);
if (retstatus != CAAM_NO_ERROR) {
retresult = TEE_ERROR_GENERIC;
goto exit_init;
}
/* Initialize the MATH Module */
retstatus = caam_math_init(jrcfg.base);
if (retstatus != CAAM_NO_ERROR) {
retresult = TEE_ERROR_GENERIC;
goto exit_init;
}
/* Initialize the RSA Module */
retstatus = caam_rsa_init(jrcfg.base);
if (retstatus != CAAM_NO_ERROR) {
retresult = TEE_ERROR_GENERIC;
goto exit_init;
}
/* Everything is OK, register the Power Management handler */
caam_pwr_init();
/*
* Configure Job Rings to NS World
* If the Driver Crypto is not used CFG_NXP_CAAM_RUNTIME_JR is not
* enable, hence relax the JR used for the CAAM configuration to
* the Non-Secure
*/
if (jrcfg.base)
caam_hal_cfg_setup_nsjobring(&jrcfg);
retresult = TEE_SUCCESS;
exit_init:
if (retresult != TEE_SUCCESS) {
EMSG("CAAM Driver initialization (0x%" PRIx32 ")", retresult);
panic();
}
return retresult;
}
driver_init(crypto_driver_init);
/* Crypto driver late initialization to complete on-going CAAM operations */
static TEE_Result init_caam_late(void)
{
enum caam_status ret = CAAM_BUSY;
ret = caam_jr_complete();
if (ret != CAAM_NO_ERROR) {
EMSG("CAAM initialization failed");
panic();
}
return TEE_SUCCESS;
}
driver_init_late(init_caam_late);
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