media: venus: firmware: enable no tz fw loading for sc7280

Enable no tz FW loading and add routine to reset XTSS.
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/qcom/venus/firmware.c

@@ -27,7 +27,12 @@
 static void venus_reset_cpu(struct venus_core *core)
 {
 	u32 fw_size = core->fw.mapped_mem_size;
-	void __iomem *wrapper_base = core->wrapper_base;
+	void __iomem *wrapper_base;
+
+	if (IS_V6(core))
+		wrapper_base = core->wrapper_tz_base;
+	else
+		wrapper_base = core->wrapper_base;
 
 	writel(0, wrapper_base + WRAPPER_FW_START_ADDR);
 	writel(fw_size, wrapper_base + WRAPPER_FW_END_ADDR);
@@ -35,11 +40,17 @@ static void venus_reset_cpu(struct venus_core *core)
 	writel(fw_size, wrapper_base + WRAPPER_CPA_END_ADDR);
 	writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR);
 	writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR);
+
+	if (IS_V6(core)) {
+		/* Bring XTSS out of reset */
+		writel(0, wrapper_base + WRAPPER_TZ_XTSS_SW_RESET);
+	} else {
 		writel(0x0, wrapper_base + WRAPPER_CPU_CGC_DIS);
 		writel(0x0, wrapper_base + WRAPPER_CPU_CLOCK_CONFIG);
 
 		/* Bring ARM9 out of reset */
 		writel(0, wrapper_base + WRAPPER_A9SS_SW_RESET);
+	}
 }
 
 int venus_set_hw_state(struct venus_core *core, bool resume)
@@ -56,7 +67,9 @@ int venus_set_hw_state(struct venus_core *core, bool resume)
 	if (resume) {
 		venus_reset_cpu(core);
 	} else {
-		if (!IS_V6(core))
+		if (IS_V6(core))
+			writel(1, core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+		else
 			writel(1, core->wrapper_base + WRAPPER_A9SS_SW_RESET);
 	}
 
@@ -162,12 +175,19 @@ static int venus_shutdown_no_tz(struct venus_core *core)
 	u32 reg;
 	struct device *dev = core->fw.dev;
 	void __iomem *wrapper_base = core->wrapper_base;
+	void __iomem *wrapper_tz_base = core->wrapper_tz_base;
 
+	if (IS_V6(core)) {
+		/* Assert the reset to XTSS */
+		reg = readl_relaxed(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+		reg |= WRAPPER_XTSS_SW_RESET_BIT;
+		writel_relaxed(reg, wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);
+	} else {
 		/* Assert the reset to ARM9 */
 		reg = readl_relaxed(wrapper_base + WRAPPER_A9SS_SW_RESET);
 		reg |= WRAPPER_A9SS_SW_RESET_BIT;
 		writel_relaxed(reg, wrapper_base + WRAPPER_A9SS_SW_RESET);
-
+	}
 	/* Make sure reset is asserted before the mapping is removed */
 	mb();
 

drivers/media/platform/qcom/venus/hfi_venus_io.h

@@ -149,6 +149,8 @@
 /* Wrapper TZ 6xx */
 #define WRAPPER_TZ_BASE_V6			0x000c0000
 #define WRAPPER_TZ_CPU_STATUS_V6		0x10
+#define WRAPPER_TZ_XTSS_SW_RESET		0x1000
+#define WRAPPER_XTSS_SW_RESET_BIT		BIT(0)
 
 /* Venus AON */
 #define AON_BASE_V6				0x000e0000