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/corenet_generic.c |   35 +++--------------------------------
 1 files changed, 3 insertions(+), 32 deletions(-)

diff --git a/kernel/arch/powerpc/platforms/85xx/corenet_generic.c b/kernel/arch/powerpc/platforms/85xx/corenet_generic.c
index ac191a7..6aa8def 100644
--- a/kernel/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/kernel/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Corenet based SoC DS Setup
  *
  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
  *
  * Copyright 2009-2011 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>
@@ -16,18 +12,18 @@
 #include <linux/kdev_t.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/pgtable.h>
 
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/pgtable.h>
 #include <asm/ppc-pci.h>
 #include <mm/mmu_decl.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/mpic.h>
 #include <asm/ehv_pic.h>
-#include <soc/fsl/qe/qe_ic.h>
+#include <asm/swiotlb.h>
 
 #include <linux/of_platform.h>
 #include <sysdev/fsl_soc.h>
@@ -41,8 +37,6 @@
 	unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
 		MPIC_NO_RESET;
 
-	struct device_node *np;
-
 	if (ppc_md.get_irq == mpic_get_coreint_irq)
 		flags |= MPIC_ENABLE_COREINT;
 
@@ -50,13 +44,6 @@
 	BUG_ON(mpic == NULL);
 
 	mpic_init(mpic);
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
-	if (np) {
-		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
-				qe_ic_cascade_high_mpic);
-		of_node_put(np);
-	}
 }
 
 /*
@@ -68,19 +55,7 @@
 
 	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
-
 	pr_info("%s board\n", ppc_md.name);
-
-	mpc85xx_qe_init();
 }
 
 static const struct of_device_id of_device_ids[] = {
@@ -233,7 +208,3 @@
 };
 
 machine_arch_initcall(corenet_generic, corenet_gen_publish_devices);
-
-#ifdef CONFIG_SWIOTLB
-machine_arch_initcall(corenet_generic, swiotlb_setup_bus_notifier);
-#endif

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