From 7ba31d44478603a0fc77394e7908268ed6af5566 Mon Sep 17 00:00:00 2001
From: Stefan Kalkowski <stefan.kalkowski@genode-labs.com>
Date: Fri, 21 Aug 2020 17:51:48 +0200
Subject: [PATCH] os: disable initialization of i.MX8MQ platform_drv

This is a temporary workaround to not harm drivers, which aren't
converted yet to request all device resources including power and
clocks from this new platform driver.

Ref #3863
---
 repos/os/src/drivers/platform/imx8mq/ccm.cc | 6 ++++++
 repos/os/src/drivers/platform/imx8mq/gpc.h  | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/repos/os/src/drivers/platform/imx8mq/ccm.cc b/repos/os/src/drivers/platform/imx8mq/ccm.cc
index dd40728ec7..881afbeabd 100644
--- a/repos/os/src/drivers/platform/imx8mq/ccm.cc
+++ b/repos/os/src/drivers/platform/imx8mq/ccm.cc
@@ -297,6 +297,11 @@ void Driver::Ccm::Gate::disable() { write<Ccgr>(0x0); }
 
 Driver::Ccm::Ccm(Genode::Env & env) : env(env)
 {
+	//FIXME: add beyond initialization code,
+	//       when all drivers use the new platform driver
+	//       Until now, the disabling of certain clocks will harm
+	//       drivers not claiming it resources from here
+#if 0
 	video_pll1_clk.enable();
 
 	/* set VIDEO PLL */
@@ -417,4 +422,5 @@ Driver::Ccm::Ccm(Genode::Env & env) : env(env)
 	/* increase NOC clock for better DDR performance */
 	noc_clk_root.set_parent("system_pll1_clk");
 	noc_clk_root.set_rate(800000000);
+#endif
 }
diff --git a/repos/os/src/drivers/platform/imx8mq/gpc.h b/repos/os/src/drivers/platform/imx8mq/gpc.h
index 94efecb3b1..cb0ef5ffee 100644
--- a/repos/os/src/drivers/platform/imx8mq/gpc.h
+++ b/repos/os/src/drivers/platform/imx8mq/gpc.h
@@ -92,6 +92,11 @@ struct Gpc
 
 	Gpc(Genode::Env & env) : env(env)
 	{
+		//FIXME: add beyond initialization code,
+		//       when all drivers use the new platform driver
+		//       Until now, the disabling of power domains will harm
+		//       drivers not claiming it resources from here
+#if 0
 		for (unsigned domain = MIPI; domain <= PCIE_2; domain++) {
 			Genode::Pd_session::Managing_system_state state;
 			state.r[0] = SIP_SERVICE_FUNC;
@@ -99,5 +104,6 @@ struct Gpc
 			state.r[2] = domain;
 			state.r[3] = OFF;
 		}
+#endif
 	};
 };