Hi Neal,
On Mon, May 27, 2019 at 1:39 AM Neal Liu <[email protected]> wrote:
>
> 1. Add a header file to provide SIP interface to ARM Trusted
> Firmware(ATF)
> 2. Add hwrng SMC fid
>
> Signed-off-by: Neal Liu <[email protected]>
> ---
> include/linux/soc/mediatek/mtk_sip_svc.h | 51 ++++++++++++++++++++++++++++++
> 1 file changed, 51 insertions(+)
> create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h
>
> diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
> new file mode 100644
> index 0000000..f65d403
> --- /dev/null
> +++ b/include/linux/soc/mediatek/mtk_sip_svc.h
> @@ -0,0 +1,51 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright (c) 2019 MediaTek Inc.
> + */
> +
> +#ifndef _MTK_SECURE_API_H_
> +#define _MTK_SECURE_API_H_
> +
> +#include <linux/kernel.h>
> +
> +/* Error Code */
> +#define SIP_SVC_E_SUCCESS 0
> +#define SIP_SVC_E_NOT_SUPPORTED -1
> +#define SIP_SVC_E_INVALID_PARAMS -2
> +#define SIP_SVC_E_INVALID_RANGE -3
> +#define SIP_SVC_E_PERMISSION_DENY -4
> +
> +#ifdef CONFIG_ARM64
> +#define MTK_SIP_SMC_AARCH_BIT 0x40000000
#define MTK_SIP_SMC_AARCH_BIT BIT(30)
> +#else
> +#define MTK_SIP_SMC_AARCH_BIT 0x00000000
#define MTK_SIP_SMC_AARCH_BIT 0
> +#endif
> +
> +/*******************************************************************************
> + * Defines for Mediatek runtime services func ids
> + ******************************************************************************/
It would be good if remove the trivial and below all unused comments.
> +
> +/* Debug feature and ATF related SMC call */
> +
> +/* CPU operations related SMC call */
> +
> +/* SPM related SMC call */
> +
> +/* Low power related SMC call */
> +
> +/* AMMS related SMC call */
> +
> +/* Security related SMC call */
> +/* HWRNG */
> +#define MTK_SIP_KERNEL_GET_RND \
> + (0x82000206 | MTK_SIP_SMC_AARCH_BIT)
> +
> +/* Storage Encryption related SMC call */
> +
> +/* Platform related SMC call */
> +
> +/* Pheripheral related SMC call */
> +
> +/* MM related SMC call */
> +
> +#endif /* _MTK_SECURE_API_H_ */
> --
> 1.7.9.5
>