From patchwork Mon Jan 13 15:53:16 2020
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Anatolij Gustschin <agust@denx.de>
X-Patchwork-Id: 239579
List-Id: U-Boot discussion <u-boot.lists.denx.de>
From: agust at denx.de (Anatolij Gustschin)
Date: Mon, 13 Jan 2020 16:53:16 +0100
Subject: imx8qxp mek: Booting mainline kernel with mainline U-Boot
In-Reply-To: <CAOMZO5BfSKHdWx+X-rCNAjzCS-uSERd=DOJcJ-=HK8U8U+N=Xg@mail.gmail.com>
References: <CAOMZO5BfSKHdWx+X-rCNAjzCS-uSERd=DOJcJ-=HK8U8U+N=Xg@mail.gmail.com>
Message-ID: <20200113165316.5368475d@crub>

Hi Fabio,

On Mon, 13 Jan 2020 12:36:20 -0300
Fabio Estevam festevam at gmail.com wrote:
...
> Starting kernel ...
> [It hangs here]
> 
> Booting a NXP kernel also did not work.
> 
> Any ideas?

Does the kernel boot if you apply following U-Boot changes ?
---
Anatolij

diff --git a/arch/arm/mach-imx/imx8/fdt.c b/arch/arm/mach-imx/imx8/fdt.c
index 65c8ac1a7e..e51fe4b897 100644
--- a/arch/arm/mach-imx/imx8/fdt.c
+++ b/arch/arm/mach-imx/imx8/fdt.c
@@ -279,8 +279,9 @@ static int ft_add_optee_node(void *fdt, bd_t *bd)
 int ft_system_setup(void *blob, bd_t *bd)
 {
 	int ret;
-
+#if 0
 	update_fdt_with_owned_resources(blob);
+#endif
 
 	if (is_imx8qm()) {
 		ret = config_smmu_fdt(blob);
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c
index 5c8dc4ad70..be041b0b4c 100644
--- a/drivers/core/device-remove.c
+++ b/drivers/core/device-remove.c
@@ -192,10 +192,11 @@ int device_remove(struct udevice *dev, uint flags)
 				__func__, dev->name);
 		}
 	}
-
+#if 0
 	if (!(drv->flags & DM_FLAG_DEFAULT_PD_CTRL_OFF) &&
 	    (dev != gd->cur_serial_dev))
 		dev_power_domain_off(dev);
+#endif
 
 	if (flags_remove(flags, drv->flags)) {
 		device_free(dev);