On 9/8/22 6:53 PM, Srinivasa Rao Mandadapu wrote:
Add efuse evb selection control and enable it for starting ADSP.
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx>
Reviewed-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
---
Changes since V5:
-- Split devm_platform_ioremap_resource_byname function.
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 389b2c0..ccb5592 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;
@@ -368,6 +370,9 @@ 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);
@@ -513,6 +518,7 @@ 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;
@@ -522,6 +528,17 @@ 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");
