Commit 9ece9619 authored by Srinivasa Rao Mandadapu's avatar Srinivasa Rao Mandadapu Committed by Bjorn Andersson
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remoteproc: qcom: Add efuse evb selection control 



Add efuse evb selection control and enable it for starting ADSP.

Signed-off-by: default avatarSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Reviewed-by: default avatarSibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1664368073-13659-7-git-send-email-quic_srivasam@quicinc.com
parent c36d6aa6

drivers/remoteproc/qcom_q6v5_adsp.c

+17 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ 


#define LPASS_BOOT_CORE_START	BIT(0)

#define LPASS_BOOT_CMD_START	BIT(0)

#define LPASS_EFUSE_Q6SS_EVB_SEL 0x0



struct adsp_pil_data {

	int crash_reason_smem;
@@ -86,6 +87,7 @@ struct qcom_adsp { 
	struct clk_bulk_data *clks;



	void __iomem *qdsp6ss_base;

	void __iomem *lpass_efuse;



	struct reset_control *pdc_sync_reset;

	struct reset_control *restart;
@@ -367,6 +369,9 @@ static int adsp_start(struct rproc *rproc) 
	/* Program boot address */

	writel(adsp->mem_phys >> 4, adsp->qdsp6ss_base + RST_EVB_REG);



	if (adsp->lpass_efuse)

		writel(LPASS_EFUSE_Q6SS_EVB_SEL, adsp->lpass_efuse);



	/* De-assert QDSP6 stop core. QDSP6 will execute after out of reset */

	writel(LPASS_BOOT_CORE_START, adsp->qdsp6ss_base + CORE_START_REG);
@@ -533,6 +538,7 @@ static int adsp_init_reset(struct qcom_adsp *adsp) 
static int adsp_init_mmio(struct qcom_adsp *adsp,

				struct platform_device *pdev)

{

	struct resource *efuse_region;

	struct device_node *syscon;

	int ret;
@@ -542,6 +548,17 @@ static int adsp_init_mmio(struct qcom_adsp *adsp, 
		return PTR_ERR(adsp->qdsp6ss_base);

	}



	efuse_region = platform_get_resource(pdev, IORESOURCE_MEM, 1);

	if (!efuse_region) {

		adsp->lpass_efuse = NULL;

		dev_dbg(adsp->dev, "failed to get efuse memory region\n");

	} else {

		adsp->lpass_efuse = devm_ioremap_resource(&pdev->dev, efuse_region);

		if (IS_ERR(adsp->lpass_efuse)) {

			dev_err(adsp->dev, "failed to map efuse registers\n");

			return PTR_ERR(adsp->lpass_efuse);

		}

	}

	syscon = of_parse_phandle(pdev->dev.of_node, "qcom,halt-regs", 0);

	if (!syscon) {

		dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n");