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authorSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>2022-09-28 15:27:52 +0300
committerBjorn Andersson <andersson@kernel.org>2022-12-28 19:29:34 +0300
commit9ece961916631aab81b9d9f8d9c2770d05548662 (patch)
treea52c15b5d9c4dcda6e96a0a936f6395b76adbb0e /drivers/remoteproc
parentc36d6aa67932788ec04820ba65693ccd41b1042f (diff)
downloadlinux-9ece961916631aab81b9d9f8d9c2770d05548662.tar.xz
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
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/qcom_q6v5_adsp.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index 14c94af761d2..4e70e769ad8d 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");