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Commit 1279fb07 authored by Amir Samuelov's avatar Amir Samuelov Committed by Gerrit - the friendly Code Review server
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soc: qcom: pil: allow subsystem to allocate extra memory 



Allow the subsystem to use some extra memory allocated
after the end of the image, for the subsystem to use.

Change-Id: Icd301952cbfe16ee00f3cbfd00eeed158497eacc
Signed-off-by: default avatarAmir Samuelov <amirs@codeaurora.org>
parent b775a871

drivers/soc/qcom/peripheral-loader.h

+2 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ struct pil_priv; 
 * @modem_ssr: true if modem is restarting, false if booting for first time.

 * @clear_fw_region: Clear fw region on failure in loading.

 * @subsys_vmid: memprot id for the subsystem.

 * @extra_size: extra memory allocated at the end of the image.

 */

struct pil_desc {

	const char *name;
@@ -63,6 +64,7 @@ struct pil_desc { 
	int *aux_minidump_ids;

	int num_aux_minidump_ids;

	bool minidump_as_elf32;

	u32 extra_size;

};



/**

drivers/soc/qcom/subsys-pil-tz.c

+5 −1
Original line number Diff line number Diff line
@@ -658,7 +658,7 @@ static int pil_mem_setup_trusted(struct pil_desc *pil, phys_addr_t addr, 


	desc.args[0] = d->pas_id;

	desc.args[1] = addr;

	desc.args[2] = size;

	desc.args[2] = size + pil->extra_size;

	desc.arginfo = SCM_ARGS(3);

	ret = scm_call2(SCM_SIP_FNID(SCM_SVC_PIL, PAS_MEM_SETUP_CMD),

			&desc);
@@ -1197,6 +1197,10 @@ static int pil_tz_driver_probe(struct platform_device *pdev) 
		}

		mask_scsr_irqs(d);



		rc = of_property_read_u32(pdev->dev.of_node, "qcom,extra-size",

						&d->desc.extra_size);

		if (rc)

			d->desc.extra_size = 0;

	} else {

		d->subsys_desc.err_fatal_handler =

						subsys_err_fatal_intr_handler;