From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config

---
 kernel/arch/powerpc/platforms/85xx/qemu_e500.c |   18 +++---------------
 1 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/kernel/arch/powerpc/platforms/85xx/qemu_e500.c b/kernel/arch/powerpc/platforms/85xx/qemu_e500.c
index b63a854..a4127b0 100644
--- a/kernel/arch/powerpc/platforms/85xx/qemu_e500.c
+++ b/kernel/arch/powerpc/platforms/85xx/qemu_e500.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Paravirt target for a generic QEMU e500 machine
  *
@@ -8,20 +9,16 @@
  * an interface contract with QEMU.
  *
  * Copyright 2012 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #include <linux/kernel.h>
 #include <linux/of_fdt.h>
+#include <linux/pgtable.h>
 #include <asm/machdep.h>
-#include <asm/pgtable.h>
 #include <asm/time.h>
 #include <asm/udbg.h>
 #include <asm/mpic.h>
+#include <asm/swiotlb.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 #include "smp.h"
@@ -45,15 +42,6 @@
 
 	fsl_pci_assign_primary();
 	swiotlb_detect_4g();
-#if defined(CONFIG_FSL_PCI) && defined(CONFIG_ZONE_DMA32)
-	/*
-	 * Inbound windows don't cover the full lower 4 GiB
-	 * due to conflicts with PCICSRBAR and outbound windows,
-	 * so limit the DMA32 zone to 2 GiB, to allow consistent
-	 * allocations to succeed.
-	 */
-	limit_zone_pfn(ZONE_DMA32, 1UL << (31 - PAGE_SHIFT));
-#endif
 	mpc85xx_smp_init();
 }
 

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