From 9ece961916631aab81b9d9f8d9c2770d05548662 Mon Sep 17 00:00:00 2001 From: Srinivasa Rao Mandadapu Date: Wed, 28 Sep 2022 17:57:52 +0530 Subject: [PATCH] remoteproc: qcom: Add efuse evb selection control Add efuse evb selection control and enable it for starting ADSP. Signed-off-by: Srinivasa Rao Mandadapu Reviewed-by: Stephen Boyd Reviewed-by: Sibi Sankar Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/1664368073-13659-7-git-send-email-quic_srivasam@quicinc.com --- drivers/remoteproc/qcom_q6v5_adsp.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c index 14c94af..4e70e76 100644 --- a/drivers/remoteproc/qcom_q6v5_adsp.c +++ b/drivers/remoteproc/qcom_q6v5_adsp.c @@ -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"); -- 2.7.4