static void __exit prefetch_ctrl_exit(void)
{
outer_cache.prefetch_enable = NULL;
outer_cache.prefetch_disable = NULL;
(void)teec_close_session(&session);
(void)teec_finalize_context(&context);
}
static int __init prefetch_ctrl_init(void)
{
int err;
int origin_err;
/* Selects trustzone application needed for the job. */
struct tee_uuid static_uuid = {
L2X0_UUID_TEE_TA_START_LOW,
L2X0_UUID_TEE_TA_START_MID,
L2X0_UUID_TEE_TA_START_HIGH,
L2X0_UUID_TEE_TA_START_CLOCKSEQ,
};
/* Get PL310 base address. It will be used as readonly. */
if (cpu_is_u5500())
l2x0_base = __io_address(U5500_L2CC_BASE);
else if (cpu_is_u8500() || cpu_is_u9540())
l2x0_base = __io_address(U8500_L2CC_BASE);
else
ux500_unknown_soc();
err = teec_initialize_context(NULL, &context);
if (err) {
pr_err("l2x0-prefetch: unable to initialize tee context,"
" err = %d\n", err);
err = -EINVAL;
goto error0;
}
err = teec_open_session(&context, &session, &static_uuid,
TEEC_LOGIN_PUBLIC, NULL, NULL, &origin_err);
if (err) {
pr_err("l2x0-prefetch: unable to open tee session,"
" tee error = %d, origin error = %d\n",
err, origin_err);
err = -EINVAL;
goto error1;
}
outer_cache.prefetch_enable = prefetch_enable;
outer_cache.prefetch_disable = prefetch_disable;
pr_info("l2x0-prefetch: initialized.\n");
return 0;
error1:
(void)teec_finalize_context(&context);
error0:
return err;
}
static int __init product_detect(void)
{
int err;
int origin_err;
struct tee_operation operation = {0};
struct tee_context context;
struct tee_session session;
/* Selects trustzone application needed for the job. */
struct tee_uuid static_uuid = {
STATIC_TEE_TA_START_LOW,
STATIC_TEE_TA_START_MID,
STATIC_TEE_TA_START_HIGH,
STATIC_TEE_TA_START_CLOCKSEQ,
};
err = teec_initialize_context(NULL, &context);
if (err) {
pr_err("ux500-product: unable to initialize tee context,"
" err = %d\n", err);
err = -EINVAL;
goto error0;
}
err = teec_open_session(&context, &session, &static_uuid,
TEEC_LOGIN_PUBLIC, NULL, NULL, &origin_err);
if (err) {
pr_err("ux500-product: unable to open tee session,"
" tee error = %d, origin error = %d\n",
err, origin_err);
err = -EINVAL;
goto error1;
}
memset(&operation, 0, sizeof(struct tee_operation));
if (cpu_is_u8500_family()) {
operation.shm[0].buffer = &product_config;
operation.shm[0].size = sizeof(product_config);
operation.shm[0].flags = TEEC_MEM_OUTPUT;
operation.flags = TEEC_MEMREF_0_USED;
} else if (cpu_is_ux540_family()) {
operation.param[0].tmpref.buffer = &product_config;
operation.param[0].tmpref.size = sizeof(product_config);
operation.types = TEEC_PARAM_TYPES(TEEC_MEMREF_TEMP_OUTPUT,
TEEC_NONE, TEEC_NONE,
TEEC_NONE);
} else {
pr_err("ux500-product: incorrect memref\n");
err = -EINVAL;
goto error1;
}
err = teec_invoke_command(&session,
TEE_STA_GET_PRODUCT_CONFIG,
&operation, &origin_err);
if (err) {
pr_err("ux500-product: fetching product settings failed, err=%d",
err);
err = -EINVAL;
goto error1;
}
switch (product_config.product_id) {
case TEE_PRODUCT_ID_8400:
pr_info("ux500-product: u8400 detected\n");
break;
case TEE_PRODUCT_ID_8500B:
pr_info("ux500-product: u8500B detected\n");
break;
case TEE_PRODUCT_ID_9500:
pr_info("ux500-product: a9500 detected\n");
break;
case TEE_PRODUCT_ID_7400:
pr_info("ux500-product: u7400 detected\n");
break;
case TEE_PRODUCT_ID_8500C:
pr_info("ux500-product: u8500C detected\n");
break;
case TEE_PRODUCT_ID_8500A:
pr_info("ux500-product: u8500A detected\n");
break;
case TEE_PRODUCT_ID_8500E:
pr_info("ux500-product: u8500E detected\n");
break;
case TEE_PRODUCT_ID_8520F:
pr_info("ux500-product: u8520F detected\n");
break;
case TEE_PRODUCT_ID_8520H:
pr_info("ux500-product: u8520H detected\n");
break;
case TEE_PRODUCT_ID_9540:
pr_info("ux500-product: u9540 detected\n");
break;
case TEE_PRODUCT_ID_9500C:
pr_info("ux500-product: a9500C detected\n");
break;
case TEE_PRODUCT_ID_8500F:
pr_info("ux500-product: u8500F detected\n");
break;
case TEE_PRODUCT_ID_8540APE:
pr_info("ux500-product: u8540APE detected\n");
break;
case TEE_PRODUCT_ID_8540XMIP:
pr_info("ux500-product: u8540XMIP detected\n");
break;
case TEE_PRODUCT_ID_8520E:
pr_info("ux500-product: u8520E detected\n");
break;
case TEE_PRODUCT_ID_8520J:
pr_info("ux500-product: u8520J detected\n");
break;
case TEE_PRODUCT_ID_UNKNOWN:
default:
pr_info("ux500-product: UNKNOWN! (0x%x) detected\n",
product_config.product_id);
break;
}
pr_info("ux500-product: JTAG is %s\n",
ux500_jtag_enabled() ? "enabled" : "disabled");
error1:
(void) teec_finalize_context(&context);
error0:
return err;
}