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Commit b95dd86b authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "msm: ipa: Add support to IPA FW load prior to kernel start"

parents 87372aef eedcc176

Documentation/devicetree/bindings/platform/msm/ipa.txt

+1 −0
Original line number Diff line number Diff line
@@ -114,6 +114,7 @@ memory allocation over a PCIe bridge 
				0 (use scm call),

				1 (override scm call as though it returned true), and

				2 (override scm call as though it returned false)

- qcom,use-xbl-boot: Boolean to indicate XBL boot loading for IPA FW



IPA pipe sub nodes (A2 static pipes configurations):

drivers/platform/msm/ipa/ipa_v3/ipa.c

+34 −0
Original line number Diff line number Diff line
@@ -6686,6 +6686,7 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, 
	ipa3_ctx->ipa_wdi2_over_gsi = resource_p->ipa_wdi2_over_gsi;

	ipa3_ctx->ipa_wdi3_over_gsi = resource_p->ipa_wdi3_over_gsi;

	ipa3_ctx->ipa_fltrt_not_hashable = resource_p->ipa_fltrt_not_hashable;

	ipa3_ctx->use_xbl_boot = resource_p->use_xbl_boot;

	ipa3_ctx->use_64_bit_dma_mask = resource_p->use_64_bit_dma_mask;

	ipa3_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size;

	ipa3_ctx->lan_rx_ring_size = resource_p->lan_rx_ring_size;
@@ -7366,6 +7367,7 @@ static int get_ipa_dts_configuration(struct platform_device *pdev, 
	ipa_drv_res->ipa_wan_skb_page = false;

	ipa_drv_res->ipa_wdi2_over_gsi = false;

	ipa_drv_res->ipa_wdi3_over_gsi = false;

	ipa_drv_res->use_xbl_boot = false;

	ipa_drv_res->ipa_mhi_dynamic_config = false;

	ipa_drv_res->use_64_bit_dma_mask = false;

	ipa_drv_res->use_bw_vote = false;
@@ -7507,6 +7509,12 @@ static int get_ipa_dts_configuration(struct platform_device *pdev, 
			ipa_drv_res->ipa_fltrt_not_hashable

			? "True" : "False");



	ipa_drv_res->use_xbl_boot =

		of_property_read_bool(pdev->dev.of_node,

		"qcom,use-xbl-boot");

	IPADBG("Is xbl loading used ? (%s)\n",

		ipa_drv_res->use_xbl_boot ? "Yes":"No");



	ipa_drv_res->use_64_bit_dma_mask =

			of_property_read_bool(pdev->dev.of_node,

			"qcom,use-64-bit-dma-mask");
@@ -8364,6 +8372,32 @@ int ipa3_plat_drv_probe(struct platform_device *pdev_p, 
		cb->dev = dev;

		smmu_info.present[IPA_SMMU_CB_UC] = true;



		if (ipa3_ctx->use_xbl_boot) {

			/* Ensure uC probe is the last. */

			if (!smmu_info.present[IPA_SMMU_CB_AP] ||

				!smmu_info.present[IPA_SMMU_CB_WLAN]) {

				IPAERR("AP or WLAN CB probe not done. Defer");

				return -EPROBE_DEFER;

			}



			pr_info("Using XBL boot load for IPA FW\n");

			ipa3_ctx->fw_loaded = true;



			result = ipa3_attach_to_smmu();

			if (result) {

				IPAERR("IPA attach to smmu failed %d\n",

				result);

				return result;

			}



			result = ipa3_post_init(&ipa3_res, ipa3_ctx->cdev.dev);

			if (result) {

				IPAERR("IPA post init failed %d\n", result);

				return result;

			}

		}





		return 0;

	}

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+3 −0
Original line number Diff line number Diff line
@@ -1798,6 +1798,7 @@ struct ipa3_app_clock_vote { 
 * @ipa_wdi2: using wdi-2.0

 * @ipa_config_is_auto: is this AUTO use case

 * @ipa_fltrt_not_hashable: filter/route rules not hashable

 * @use_xbl_boot: use xbl loading for IPA FW

 * @use_64_bit_dma_mask: using 64bits dma mask

 * @ipa_bus_hdl: msm driver handle for the data path bus

 * @ctrl: holds the core specific operations based on
@@ -1911,6 +1912,7 @@ struct ipa3_context { 
	bool ipa_wdi3_over_gsi;

	bool ipa_endp_delay_wa;

	bool ipa_fltrt_not_hashable;

	bool use_xbl_boot;

	bool use_64_bit_dma_mask;

	/* featurize if memory footprint becomes a concern */

	struct ipa3_stats stats;
@@ -2026,6 +2028,7 @@ struct ipa3_plat_drv_res { 
	bool ipa_wdi2_over_gsi;

	bool ipa_wdi3_over_gsi;

	bool ipa_fltrt_not_hashable;

	bool use_xbl_boot;

	bool use_64_bit_dma_mask;

	bool use_bw_vote;

	u32 wan_rx_ring_size;