powerpc/platforms: Move files from 4xx to 44x

Only 44x uses 4xx now, so only keep one directory.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240628121201.130802-7-mpe@ellerman.id.au

arch/powerpc/platforms/44x/Makefile

 # SPDX-License-Identifier: GPL-2.0
-obj-y	+= misc_44x.o machine_check.o
+obj-y	+= misc_44x.o machine_check.o uic.o soc.o
 ifneq ($(CONFIG_PPC4xx_CPM),y)
 obj-y	+= idle.o
 endif
@@ -12,3 +12,7 @@ obj-$(CONFIG_CANYONLANDS)+= canyonlands.o
 obj-$(CONFIG_CURRITUCK)	+= ppc476.o
 obj-$(CONFIG_AKEBONO)	+= ppc476.o
 obj-$(CONFIG_FSP2)	+= fsp2.o
+obj-$(CONFIG_PCI)		+= pci.o
+obj-$(CONFIG_PPC4xx_HSTA_MSI)	+= hsta_msi.o
+obj-$(CONFIG_PPC4xx_CPM)	+= cpm.o
+obj-$(CONFIG_PPC4xx_GPIO)	+= gpio.o

arch/powerpc/platforms/44x/machine_check.c

@@ -9,6 +9,21 @@
 #include <asm/reg.h>
 #include <asm/cacheflush.h>
 
+int machine_check_4xx(struct pt_regs *regs)
+{
+	unsigned long reason = regs->esr;
+
+	if (reason & ESR_IMCP) {
+		printk("Instruction");
+		mtspr(SPRN_ESR, reason & ~ESR_IMCP);
+	} else
+		printk("Data");
+
+	printk(" machine check in kernel mode.\n");
+
+	return 0;
+}
+
 int machine_check_440A(struct pt_regs *regs)
 {
 	unsigned long reason = regs->esr;

arch/powerpc/platforms/4xx/Makefile

-# SPDX-License-Identifier: GPL-2.0-only
-obj-y				+= uic.o machine_check.o
-obj-$(CONFIG_44x)		+= soc.o
-obj-$(CONFIG_PCI)		+= pci.o
-obj-$(CONFIG_PPC4xx_HSTA_MSI)	+= hsta_msi.o
-obj-$(CONFIG_PPC4xx_CPM)	+= cpm.o
-obj-$(CONFIG_PPC4xx_GPIO)	+= gpio.o

arch/powerpc/platforms/4xx/machine_check.c

-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- */
-
-#include <linux/kernel.h>
-#include <linux/printk.h>
-#include <linux/ptrace.h>
-
-#include <asm/reg.h>
-
-int machine_check_4xx(struct pt_regs *regs)
-{
-	unsigned long reason = regs->esr;
-
-	if (reason & ESR_IMCP) {
-		printk("Instruction");
-		mtspr(SPRN_ESR, reason & ~ESR_IMCP);
-	} else
-		printk("Data");
-	printk(" machine check in kernel mode.\n");
-
-	return 0;
-}

arch/powerpc/platforms/Makefile

@@ -4,7 +4,6 @@ obj-$(CONFIG_FSL_ULI1575)	+= fsl_uli1575.o
 
 obj-$(CONFIG_PPC_PMAC)		+= powermac/
 obj-$(CONFIG_PPC_CHRP)		+= chrp/
-obj-$(CONFIG_4xx)		+= 4xx/
 obj-$(CONFIG_44x)		+= 44x/
 obj-$(CONFIG_PPC_MPC512x)	+= 512x/
 obj-$(CONFIG_PPC_MPC52xx)	+= 52xx/