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Commit b68bfd41 authored by Vikram Mulukutla's avatar Vikram Mulukutla
Browse files

drivers: soc: qcom: Update scm-boot to use the new scm_call2 API 



The secure world now sports an interface that is more
aligned to the ARMv8 SMC calling convention spec. Add
support for it by using the new scm_call2 API.

Change-Id: I696941c00b300a458ff62894cbfb3b57eb0db8d3
Signed-off-by: default avatarVikram Mulukutla <markivx@codeaurora.org>
parent d332ccef

drivers/soc/qcom/scm-boot.c

+26 −9
Original line number Diff line number Diff line
@@ -53,17 +53,34 @@ int scm_set_boot_addr_mc(phys_addr_t addr, u32 aff0, 
		u32 reserved;

		u32 flags;

	} cmd;

	struct scm_desc desc = {0};



	if (!is_scm_armv8()) {

		cmd.addr = addr;

		cmd.aff0 = aff0;

		cmd.aff1 = aff1;

		cmd.aff2 = aff2;

	/* Reserved for future chips with affinity level 3 effectively 1 << 0 */

		/*

		 * Reserved for future chips with affinity level 3 effectively

		 * 1 << 0

		 */

		cmd.reserved = ~0U;

		cmd.flags = flags | SCM_FLAG_HLOS;

		return scm_call(SCM_SVC_BOOT, SCM_BOOT_ADDR_MC,

				&cmd, sizeof(cmd), NULL, 0);

	}



	flags = flags | SCM_FLAG_HLOS;

	desc.args[0] = addr;

	desc.args[1] = aff0;

	desc.args[2] = aff1;

	desc.args[3] = aff2;

	desc.args[4] = ~0ULL;

	desc.args[5] = flags;

	desc.arginfo = SCM_ARGS(6);



	return scm_call2(SCM_SIP_FNID(SCM_SVC_BOOT, SCM_BOOT_ADDR_MC), &desc);

}

EXPORT_SYMBOL(scm_set_boot_addr_mc);



/**