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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: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1664368073-13659-7-git-send-email-quic_srivasam@quicinc.com
This commit is contained in:
Srinivasa Rao Mandadapu 2022-09-28 17:57:52 +05:30 committed by Bjorn Andersson
parent c36d6aa679
commit 9ece961916
1 changed files with 17 additions and 0 deletions
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17
drivers/remoteproc/qcom_q6v5_adsp.c
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@ -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");