From: Anatolij Gustschin <agust@denx.de>
Date: Sat, 16 May 2020 20:34:19 +0000 (+0200)
Subject: cpu: imx8: fix type and rate detection
X-Git-Tag: v2020.07-rc3~6^2~2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-u-boot.git;a=commitdiff_plain;h=69365540cf607d5212ebd014869e4f55c1de8044

cpu: imx8: fix type and rate detection

CPU type and rate detection is broken, for A35 cpu we get A53:
...
sc_pm_get_clock_rate: resource:0 clk:2: res:3
Could not read CPU frequency: -22
CPU:   NXP i.MX8QXP RevB A53 at 0 MHz at 47C

Fixes: 55bc96f3b675 ("cpu: imx8: fix get core name and rate")
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
---

diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c
index dddd12d1e4..8b297b2b0f 100644
--- a/drivers/cpu/imx8_cpu.c
+++ b/drivers/cpu/imx8_cpu.c
@@ -54,11 +54,11 @@ const char *get_imx8_rev(u32 rev)
 
 const char *get_core_name(struct udevice *dev)
 {
-	if (!device_is_compatible(dev, "arm,cortex-a35"))
+	if (device_is_compatible(dev, "arm,cortex-a35"))
 		return "A35";
-	else if (!device_is_compatible(dev, "arm,cortex-a53"))
+	else if (device_is_compatible(dev, "arm,cortex-a53"))
 		return "A53";
-	else if (!device_is_compatible(dev, "arm,cortex-a72"))
+	else if (device_is_compatible(dev, "arm,cortex-a72"))
 		return "A72";
 	else
 		return "?";
@@ -185,11 +185,11 @@ static ulong imx8_get_cpu_rate(struct udevice *dev)
 	ulong rate;
 	int ret, type;
 
-	if (!device_is_compatible(dev, "arm,cortex-a35"))
+	if (device_is_compatible(dev, "arm,cortex-a35"))
 		type = SC_R_A35;
-	else if (!device_is_compatible(dev, "arm,cortex-a53"))
+	else if (device_is_compatible(dev, "arm,cortex-a53"))
 		type = SC_R_A53;
-	else if (!device_is_compatible(dev, "arm,cortex-a72"))
+	else if (device_is_compatible(dev, "arm,cortex-a72"))
 		type = SC_R_A72;
 	else
 		return 0;