disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/powerpc/platforms/83xx/misc.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * misc setup functions for MPC83xx
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  *
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  * Maintainer: Kumar Gala <galak@kernel.crashing.org>
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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  */
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7
 
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 #include <linux/stddef.h>
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@@ -18,9 +14,10 @@
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 #include <asm/io.h>
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 #include <asm/hw_irq.h>
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 #include <asm/ipic.h>
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-#include <soc/fsl/qe/qe_ic.h>
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 #include <sysdev/fsl_soc.h>
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 #include <sysdev/fsl_pci.h>
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+
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+#include <mm/mmu_decl.h>
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21
 
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 #include "mpc83xx.h"
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23
 
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@@ -93,28 +90,6 @@
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 	ipic_set_default_priority();
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 }
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-#ifdef CONFIG_QUICC_ENGINE
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-void __init mpc83xx_qe_init_IRQ(void)
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-{
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-	struct device_node *np;
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-
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-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
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-	if (!np) {
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-		np = of_find_node_by_type(NULL, "qeic");
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-		if (!np)
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-			return;
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-	}
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-	qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
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-	of_node_put(np);
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-}
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-
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-void __init mpc83xx_ipic_and_qe_init_IRQ(void)
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-{
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-	mpc83xx_ipic_init_IRQ();
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-	mpc83xx_qe_init_IRQ();
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-}
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-#endif /* CONFIG_QUICC_ENGINE */
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-
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 static const struct of_device_id of_bus_ids[] __initconst = {
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 	{ .type = "soc", },
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 	{ .compatible = "soc", },
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@@ -149,6 +124,15 @@
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 	if (ppc_md.progress)
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 		ppc_md.progress("mpc83xx_setup_arch()", 0);
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+	if (!__map_without_bats) {
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+		phys_addr_t immrbase = get_immrbase();
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+		int immrsize = IS_ALIGNED(immrbase, SZ_2M) ? SZ_2M : SZ_1M;
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+		unsigned long va = fix_to_virt(FIX_IMMR_BASE);
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+
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+		setbat(-1, va, immrbase, immrsize, PAGE_KERNEL_NCG);
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+		update_bats();
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+	}
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+
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 	mpc83xx_setup_pci();
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 }
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