diff options
author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-01-23 18:55:03 +0000 |
---|---|---|
committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-01-25 16:04:11 +0000 |
commit | 2d4135e08fb11989a4bbd6ebf9f3c1b324493237 (patch) | |
tree | a56961122d1de1866566af198d4b49a3266c6602 /include | |
parent | 0387aa42ac2f0a6b3c294917d7b37545e13a2e5f (diff) | |
download | trusted-firmware-a-2d4135e08fb11989a4bbd6ebf9f3c1b324493237.tar.gz |
plat/arm: scp: Move to drivers/ folder
Change-Id: Ida5dae39478654405d0ee31a6cbddb4579e76a7f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/drivers/arm/css/css_scp.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/drivers/arm/css/css_scp.h b/include/drivers/arm/css/css_scp.h new file mode 100644 index 0000000000..f3c08c52f3 --- /dev/null +++ b/include/drivers/arm/css/css_scp.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CSS_SCP_H +#define CSS_SCP_H + +#include <stdint.h> + +#include <platform_def.h> + +#include <lib/cassert.h> + +/* Forward declarations */ +struct psci_power_state; + +/* API for power management by SCP */ +int css_system_reset2(int is_vendor, int reset_type, u_register_t cookie); +void css_scp_suspend(const struct psci_power_state *target_state); +void css_scp_off(const struct psci_power_state *target_state); +void css_scp_on(u_register_t mpidr); +int css_scp_get_power_state(u_register_t mpidr, unsigned int power_level); +void __dead2 css_scp_sys_shutdown(void); +void __dead2 css_scp_sys_reboot(void); +void __dead2 css_scp_system_off(int state); + +/* API for SCP Boot Image transfer. Return 0 on success, -1 on error */ +int css_scp_boot_image_xfer(void *image, unsigned int image_size); + +/* + * API to wait for SCP to signal till it's ready after booting the transferred + * image. + */ +int css_scp_boot_ready(void); + +#if CSS_LOAD_SCP_IMAGES + +/* + * All CSS platforms load SCP_BL2/SCP_BL2U just below BL2 (this is where BL31 + * usually resides except when ARM_BL31_IN_DRAM is + * set). Ensure that SCP_BL2/SCP_BL2U do not overflow into tb_fw_config. + */ +CASSERT(SCP_BL2_LIMIT <= BL2_BASE, assert_scp_bl2_overwrite_bl2); +CASSERT(SCP_BL2U_LIMIT <= BL2_BASE, assert_scp_bl2u_overwrite_bl2); + +CASSERT(SCP_BL2_BASE >= ARM_TB_FW_CONFIG_LIMIT, assert_scp_bl2_overflow); +CASSERT(SCP_BL2U_BASE >= ARM_TB_FW_CONFIG_LIMIT, assert_scp_bl2u_overflow); +#endif + +#endif /* CSS_SCP_H */ |