mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
--- a/drivers/firmware/qcom_scm.c
|
|
+++ b/drivers/firmware/qcom_scm.c
|
|
@@ -404,6 +404,20 @@ static int __qcom_scm_set_dload_mode(str
|
|
return qcom_scm_call_atomic(__scm->dev, &desc, NULL);
|
|
}
|
|
|
|
+static int __qcom_scm_disable_sdi(struct device *dev)
|
|
+{
|
|
+ struct qcom_scm_desc desc = {
|
|
+ .svc = QCOM_SCM_SVC_BOOT,
|
|
+ .cmd = QCOM_SCM_BOOT_CONFIG_SDI,
|
|
+ .arginfo = QCOM_SCM_ARGS(2),
|
|
+ .args[0] = 1 /* 1: disable watchdog debug */,
|
|
+ .args[1] = 0 /* 0: disable SDI */,
|
|
+ .owner = ARM_SMCCC_OWNER_SIP,
|
|
+ };
|
|
+
|
|
+ return qcom_scm_call(__scm->dev, &desc, NULL);
|
|
+}
|
|
+
|
|
static void qcom_scm_set_download_mode(bool enable)
|
|
{
|
|
bool avail;
|
|
@@ -1314,6 +1328,13 @@ static int qcom_scm_probe(struct platfor
|
|
if (download_mode)
|
|
qcom_scm_set_download_mode(true);
|
|
|
|
+ /*
|
|
+ * Factory firmware leaves SDI (a debug interface), which prevents
|
|
+ * clean reboot.
|
|
+ */
|
|
+ if (of_machine_is_compatible("google,wifi"))
|
|
+ __qcom_scm_disable_sdi(__scm->dev);
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
--- a/drivers/firmware/qcom_scm.h
|
|
+++ b/drivers/firmware/qcom_scm.h
|
|
@@ -77,6 +77,7 @@ extern int scm_legacy_call(struct device
|
|
#define QCOM_SCM_SVC_BOOT 0x01
|
|
#define QCOM_SCM_BOOT_SET_ADDR 0x01
|
|
#define QCOM_SCM_BOOT_TERMINATE_PC 0x02
|
|
+#define QCOM_SCM_BOOT_CONFIG_SDI 0x09
|
|
#define QCOM_SCM_BOOT_SET_DLOAD_MODE 0x10
|
|
#define QCOM_SCM_BOOT_SET_REMOTE_STATE 0x0a
|
|
#define QCOM_SCM_FLUSH_FLAG_MASK 0x3
|