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Commit aa34d396 authored by Avaneesh Kumar Dwivedi's avatar Avaneesh Kumar Dwivedi Committed by Gerrit - the friendly Code Review server
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soc: qcom: Add required changes for ramdump validation for Blackghost 



This change add required changes for ramdump collection to validate
ramdump feature for Blackghost SoC.

Change-Id: I540c929559997fac071b8e822dab9982d216979a
Signed-off-by: default avatarAvaneesh Kumar Dwivedi <akdwived@codeaurora.org>
parent cb3b29e9

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

+9 −5
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ 
#define SECURE_APP	"bgapp"

#define desc_to_data(d)	container_of(d, struct pil_bg_data, desc)

#define subsys_to_data(d) container_of(d, struct pil_bg_data, subsys_desc)



#define BG_RAMDUMP_SZ	0x00102000

/**

 * struct pil_bg_data

 * @qseecom_handle: handle of TZ app
@@ -411,7 +411,7 @@ static int bg_ramdump(int enable, const struct subsys_desc *subsys) 
	dma_set_attr(DMA_ATTR_SKIP_ZEROING, &desc.attrs);

	dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &desc.attrs);



	region = dma_alloc_attrs(desc.dev, SZ_1M,

	region = dma_alloc_attrs(desc.dev, BG_RAMDUMP_SZ,

				&start_addr, GFP_KERNEL, &desc.attrs);



	if (region == NULL) {
@@ -421,9 +421,13 @@ static int bg_ramdump(int enable, const struct subsys_desc *subsys) 
		return -ENOMEM;

	}



	ramdump_segments = kcalloc(1, sizeof(*ramdump_segments), GFP_KERNEL);

	if (!ramdump_segments)

		return -ENOMEM;



	bg_tz_req.tzapp_bg_cmd = BGPIL_RAMDUMP;

	bg_tz_req.address_fw = start_addr;

	bg_tz_req.size_fw = SZ_1M;

	bg_tz_req.size_fw = BG_RAMDUMP_SZ;



	ret = bgpil_tzapp_comm(bg_data, &bg_tz_req);

	if (ret || bg_data->cmd_status) {
@@ -433,9 +437,9 @@ static int bg_ramdump(int enable, const struct subsys_desc *subsys) 
	}



	ramdump_segments->address = start_addr;

	ramdump_segments->size = SZ_1M;

	ramdump_segments->size = BG_RAMDUMP_SZ;



	ret = do_elf_ramdump(bg_data->ramdump_dev, ramdump_segments, 1);

	do_ramdump(bg_data->ramdump_dev, ramdump_segments, 1);

	kfree(ramdump_segments);

	return 0;

}