powerpc: 74xx_7xx: remove 74xx_7xx cpu support

All the 74xx_7xx boards are still non-generic boards:
P3G4, ZUMA, ppmc7xx, ELPPC, mpc7448hpc2

Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: York Sun <yorksun@freescale.com>
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Nye Liu <nyet@zumanetworks.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>

15 files changed, 0 insertions, 2362 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 7a50301f7c..8e5a3e2074 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -7,9 +7,6 @@ config SYS_ARCH
 choice
 	prompt "CPU select"
 
-config 74xx_7xx
-	bool "74xx"
-
 config MPC512X
 	bool "MPC512X"
 
@@ -39,7 +36,6 @@ config 4xx
 
 endchoice
 
-source "arch/powerpc/cpu/74xx_7xx/Kconfig"
 source "arch/powerpc/cpu/mpc512x/Kconfig"
 source "arch/powerpc/cpu/mpc5xx/Kconfig"
 source "arch/powerpc/cpu/mpc5xxx/Kconfig"
diff --git a/arch/powerpc/cpu/74xx_7xx/Kconfig b/arch/powerpc/cpu/74xx_7xx/Kconfig
deleted file mode 100644
index b2f1a598e3..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/Kconfig
+++ /dev/null
@@ -1,32 +0,0 @@
-menu "74xx_7xx CPU"
-	depends on 74xx_7xx
-
-config SYS_CPU
-	default "74xx_7xx"
-
-choice
-	prompt "Target select"
-
-config TARGET_P3G4
-	bool "Support P3G4"
-
-config TARGET_ZUMA
-	bool "Support ZUMA"
-
-config TARGET_PPMC7XX
-	bool "Support ppmc7xx"
-
-config TARGET_ELPPC
-	bool "Support ELPPC"
-
-config TARGET_MPC7448HPC2
-	bool "Support mpc7448hpc2"
-
-endchoice
-
-source "board/eltec/elppc/Kconfig"
-source "board/evb64260/Kconfig"
-source "board/freescale/mpc7448hpc2/Kconfig"
-source "board/ppmc7xx/Kconfig"
-
-endmenu
diff --git a/arch/powerpc/cpu/74xx_7xx/Makefile b/arch/powerpc/cpu/74xx_7xx/Makefile
deleted file mode 100644
index f31fe756e3..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# (C) Copyright 2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2001
-# Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-extra-y	= start.o
-obj-y	= cache.o kgdb.o io.o
-obj-y	+= traps.o cpu.o cpu_init.o speed.o interrupts.o
diff --git a/arch/powerpc/cpu/74xx_7xx/cache.S b/arch/powerpc/cpu/74xx_7xx/cache.S
deleted file mode 100644
index 66c72983d4..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/cache.S
+++ /dev/null
@@ -1,404 +0,0 @@
-#include <config.h>
-#include <74xx_7xx.h>
-#include <version.h>
-
-#include <ppc_asm.tmpl>
-#include <ppc_defs.h>
-
-#include <asm/cache.h>
-#include <asm/mmu.h>
-
-#ifndef CACHE_LINE_SIZE
-# define CACHE_LINE_SIZE L1_CACHE_BYTES
-#endif
-
-#if CACHE_LINE_SIZE == 128
-#define LG_CACHE_LINE_SIZE 7
-#elif CACHE_LINE_SIZE == 32
-#define LG_CACHE_LINE_SIZE 5
-#elif CACHE_LINE_SIZE == 16
-#define LG_CACHE_LINE_SIZE 4
-#elif CACHE_LINE_SIZE == 8
-#define LG_CACHE_LINE_SIZE 3
-#else
-# error "Invalid cache line size!"
-#endif
-
-/*
- * Invalidate L1 instruction cache.
- */
-_GLOBAL(invalidate_l1_instruction_cache)
-	mfspr	r3,PVR
-	rlwinm	r3,r3,16,16,31
-	cmpi	0,r3,1
-	beqlr			/* for 601, do nothing */
-	/* 603/604 processor - use invalidate-all bit in HID0 */
-	mfspr	r3,HID0
-	ori	r3,r3,HID0_ICFI
-	mtspr	HID0,r3
-	isync
-	blr
-
-/*
- * Invalidate L1 data cache.
- */
-_GLOBAL(invalidate_l1_data_cache)
-	mfspr	r3,HID0
-	ori	r3,r3,HID0_DCFI
-	mtspr	HID0,r3
-	isync
-	blr
-
-/*
- * Flush data cache.
- */
-_GLOBAL(flush_dcache)
-	lis	r3,0
-	lis	r5,CACHE_LINE_SIZE
-flush:
-	cmp	0,1,r3,r5
-	bge	done
-	lwz	r5,0(r3)
-	lis	r5,CACHE_LINE_SIZE
-	addi	r3,r3,0x4
-	b	flush
-done:
-	blr
-/*
- * Write any modified data cache blocks out to memory
- * and invalidate the corresponding instruction cache blocks.
- * This is a no-op on the 601.
- *
- * flush_icache_range(unsigned long start, unsigned long stop)
- */
-_GLOBAL(flush_icache_range)
-	mfspr	r5,PVR
-	rlwinm	r5,r5,16,16,31
-	cmpi	0,r5,1
-	beqlr				/* for 601, do nothing */
-	li	r5,CACHE_LINE_SIZE-1
-	andc	r3,r3,r5
-	subf	r4,r3,r4
-	add	r4,r4,r5
-	srwi.	r4,r4,LG_CACHE_LINE_SIZE
-	beqlr
-	mtctr	r4
-	mr	r6,r3
-1:	dcbst	0,r3
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	1b
-	sync				/* wait for dcbst's to get to ram */
-	mtctr	r4
-2:	icbi	0,r6
-	addi	r6,r6,CACHE_LINE_SIZE
-	bdnz	2b
-	sync				/* additional sync needed on g4 */
-	isync
-	blr
-/*
- * Write any modified data cache blocks out to memory.
- * Does not invalidate the corresponding cache lines (especially for
- * any corresponding instruction cache).
- *
- * clean_dcache_range(unsigned long start, unsigned long stop)
- */
-_GLOBAL(clean_dcache_range)
-	li	r5,CACHE_LINE_SIZE-1
-	andc	r3,r3,r5	/* align r3 down to cache line */
-	subf	r4,r3,r4	/* r4 = offset of stop from start of cache line */
-	add	r4,r4,r5	/* r4 += cache_line_size-1 */
-	srwi.	r4,r4,LG_CACHE_LINE_SIZE  /* r4 = number of cache lines to flush */
-	beqlr				  /* if r4 == 0 return */
-	mtctr	r4			  /* ctr = r4 */
-
-	sync
-1:	dcbst	0,r3
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	1b
-	sync				/* wait for dcbst's to get to ram */
-	blr
-
-/*
- * Write any modified data cache blocks out to memory
- * and invalidate the corresponding instruction cache blocks.
- *
- * flush_dcache_range(unsigned long start, unsigned long stop)
- */
-_GLOBAL(flush_dcache_range)
-	li	r5,CACHE_LINE_SIZE-1
-	andc	r3,r3,r5
-	subf	r4,r3,r4
-	add	r4,r4,r5
-	srwi.	r4,r4,LG_CACHE_LINE_SIZE
-	beqlr
-	mtctr	r4
-
-	sync
-1:	dcbf	0,r3
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	1b
-	sync				/* wait for dcbf's to get to ram */
-	blr
-
-/*
- * Like above, but invalidate the D-cache.  This is used by the 8xx
- * to invalidate the cache so the PPC core doesn't get stale data
- * from the CPM (no cache snooping here :-).
- *
- * invalidate_dcache_range(unsigned long start, unsigned long stop)
- */
-_GLOBAL(invalidate_dcache_range)
-	li	r5,CACHE_LINE_SIZE-1
-	andc	r3,r3,r5
-	subf	r4,r3,r4
-	add	r4,r4,r5
-	srwi.	r4,r4,LG_CACHE_LINE_SIZE
-	beqlr
-	mtctr	r4
-
-	sync
-1:	dcbi	0,r3
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	1b
-	sync				/* wait for dcbi's to get to ram */
-	blr
-
-/*
- * Flush a particular page from the data cache to RAM.
- * Note: this is necessary because the instruction cache does *not*
- * snoop from the data cache.
- * This is a no-op on the 601 which has a unified cache.
- *
- *	void __flush_page_to_ram(void *page)
- */
-_GLOBAL(__flush_page_to_ram)
-	mfspr	r5,PVR
-	rlwinm	r5,r5,16,16,31
-	cmpi	0,r5,1
-	beqlr				/* for 601, do nothing */
-	rlwinm	r3,r3,0,0,19		/* Get page base address */
-	li	r4,4096/CACHE_LINE_SIZE	/* Number of lines in a page */
-	mtctr	r4
-	mr	r6,r3
-0:	dcbst	0,r3			/* Write line to ram */
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	0b
-	sync
-	mtctr	r4
-1:	icbi	0,r6
-	addi	r6,r6,CACHE_LINE_SIZE
-	bdnz	1b
-	sync
-	isync
-	blr
-
-/*
- * Flush a particular page from the instruction cache.
- * Note: this is necessary because the instruction cache does *not*
- * snoop from the data cache.
- * This is a no-op on the 601 which has a unified cache.
- *
- *	void __flush_icache_page(void *page)
- */
-_GLOBAL(__flush_icache_page)
-	mfspr	r5,PVR
-	rlwinm	r5,r5,16,16,31
-	cmpi	0,r5,1
-	beqlr				/* for 601, do nothing */
-	li	r4,4096/CACHE_LINE_SIZE	/* Number of lines in a page */
-	mtctr	r4
-1:	icbi	0,r3
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	1b
-	sync
-	isync
-	blr
-
-/*
- * Clear a page using the dcbz instruction, which doesn't cause any
- * memory traffic (except to write out any cache lines which get
- * displaced).  This only works on cacheable memory.
- */
-_GLOBAL(clear_page)
-	li	r0,4096/CACHE_LINE_SIZE
-	mtctr	r0
-1:	dcbz	0,r3
-	addi	r3,r3,CACHE_LINE_SIZE
-	bdnz	1b
-	blr
-
-/*
- * Enable L1 Instruction cache
- */
-_GLOBAL(icache_enable)
-	mfspr	r3, HID0
-	li	r5, HID0_ICFI|HID0_ILOCK
-	andc	r3, r3, r5
-	ori	r3, r3, HID0_ICE
-	ori	r5, r3, HID0_ICFI
-	mtspr	HID0, r5
-	mtspr	HID0, r3
-	isync
-	blr
-
-/*
- * Disable L1 Instruction cache
- */
-_GLOBAL(icache_disable)
-	mflr	r4
-	bl	invalidate_l1_instruction_cache		/* uses r3 */
-	sync
-	mtlr	r4
-	mfspr	r3, HID0
-	li	r5, 0
-	ori	r5, r5, HID0_ICE
-	andc	r3, r3, r5
-	mtspr	HID0, r3
-	isync
-	blr
-
-/*
- * Is instruction cache enabled?
- */
-_GLOBAL(icache_status)
-	mfspr	r3, HID0
-	andi.	r3, r3, HID0_ICE
-	blr
-
-
-_GLOBAL(l1dcache_enable)
-	mfspr	r3, HID0
-	li	r5, HID0_DCFI|HID0_DLOCK
-	andc	r3, r3, r5
-	mtspr	HID0, r3		/* no invalidate, unlock */
-	ori	r3, r3, HID0_DCE
-	ori	r5, r3, HID0_DCFI
-	mtspr	HID0, r5		/* enable + invalidate */
-	mtspr	HID0, r3		/* enable */
-	sync
-	blr
-
-/*
- * Enable data cache(s) - L1 and optionally L2
- * Calls l2cache_enable. LR saved in r5
- */
-_GLOBAL(dcache_enable)
-	mfspr	r3, HID0
-	li	r5, HID0_DCFI|HID0_DLOCK
-	andc	r3, r3, r5
-	mtspr	HID0, r3		/* no invalidate, unlock */
-	ori	r3, r3, HID0_DCE
-	ori	r5, r3, HID0_DCFI
-	mtspr	HID0, r5		/* enable + invalidate */
-	mtspr	HID0, r3		/* enable */
-	sync
-#ifdef CONFIG_SYS_L2
-	mflr	r5
-	bl	l2cache_enable		/* uses r3 and r4 */
-	sync
-	mtlr	r5
-#endif
-	blr
-
-
-/*
- * Disable data cache(s) - L1 and optionally L2
- * Calls flush_dcache and l2cache_disable_no_flush.
- * LR saved in r4
- */
-_GLOBAL(dcache_disable)
-	mflr	r4			/* save link register */
-	bl	flush_dcache	/* uses r3 and r5 */
-	sync
-	mfspr	r3, HID0
-	li	r5, HID0_DCFI|HID0_DLOCK
-	andc	r3, r3, r5
-	mtspr	HID0, r3		/* no invalidate, unlock */
-	li	r5, HID0_DCE|HID0_DCFI
-	andc	r3, r3, r5		/* no enable, no invalidate */
-	mtspr	HID0, r3
-	sync
-#ifdef CONFIG_SYS_L2
-	bl	l2cache_disable_no_flush /* uses r3 */
-#endif
-	mtlr	r4			/* restore link register */
-	blr
-
-/*
- * Is data cache enabled?
- */
-_GLOBAL(dcache_status)
-	mfspr	r3, HID0
-	andi.	r3, r3, HID0_DCE
-	blr
-
-/*
- * Invalidate L2 cache using L2I and polling L2IP or L2I
- */
-_GLOBAL(l2cache_invalidate)
-	sync
-	mfspr r3, l2cr
-	oris	r3, r3, L2CR_L2I@h
-	sync
-	mtspr	l2cr, r3
-	sync
-	mfspr r3, PVR
-	sync
-	rlwinm r3, r3, 16,16,31
-	cmpli 0,r3,0x8000  /* 7451, 7441 */
-	beq 0,inv_7450
-	cmpli 0,r3,0x8001  /* 7455, 7445 */
-	beq 0,inv_7450
-	cmpli 0,r3,0x8002  /* 7457, 7447 */
-	beq 0,inv_7450
-	cmpli 0,r3,0x8003  /* 7447A */
-	beq 0,inv_7450
-	cmpli 0,r3,0x8004  /* 7448 */
-	beq 0,inv_7450
-invl2:
-	mfspr	r3, l2cr
-	andi.	r3, r3, L2CR_L2IP
-	bne	invl2
-	/* turn off the global invalidate bit */
-	mfspr	r3, l2cr
-	rlwinm	r3, r3, 0, 11, 9
-	sync
-	mtspr	l2cr, r3
-	sync
-	blr
-inv_7450:
-	mfspr	r3, l2cr
-	andis. r3, r3, L2CR_L2I@h
-	bne inv_7450
-	blr
-
-/*
- * Enable L2 cache
- * Calls l2cache_invalidate. LR is saved in r4
- */
-_GLOBAL(l2cache_enable)
-	mflr	r4			/* save link register */
-	bl	l2cache_invalidate	/* uses r3 */
-	sync
-	lis	r3, L2_ENABLE@h
-	ori	r3, r3, L2_ENABLE@l
-	mtspr	l2cr, r3
-	isync
-	mtlr	r4			/* restore link register */
-	blr
-
-/*
- * Disable L2 cache
- * Calls flush_dcache. LR is saved in r4
- */
-_GLOBAL(l2cache_disable)
-	mflr	r4			/* save link register */
-	bl	flush_dcache		/* uses r3 and r5 */
-	sync
-	mtlr	r4			/* restore link register */
-l2cache_disable_no_flush:		/* provide way to disable L2 w/o flushing */
-	lis	r3, L2_INIT@h
-	ori	r3, r3, L2_INIT@l
-	mtspr	l2cr, r3
-	isync
-	blr
diff --git a/arch/powerpc/cpu/74xx_7xx/config.mk b/arch/powerpc/cpu/74xx_7xx/config.mk
deleted file mode 100644
index 4cd1a26293..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/config.mk
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# (C) Copyright 2001
-# Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-PLATFORM_CPPFLAGS += -mstring
diff --git a/arch/powerpc/cpu/74xx_7xx/cpu.c b/arch/powerpc/cpu/74xx_7xx/cpu.c
deleted file mode 100644
index 6cd54bf924..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/cpu.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * cpu.c
- *
- * CPU specific code
- *
- * written or collected and sometimes rewritten by
- * Magnus Damm <damm@bitsmart.com>
- *
- * minor modifications by
- * Wolfgang Denk <wd@denx.de>
- *
- * more modifications by
- * Josh Huber <huber@mclx.com>
- * added support for the 74xx series of cpus
- * added support for the 7xx series of cpus
- * made the code a little less hard-coded, and more auto-detectish
- */
-
-#include <common.h>
-#include <command.h>
-#include <74xx_7xx.h>
-#include <asm/cache.h>
-
-#if defined(CONFIG_OF_LIBFDT)
-#include <libfdt.h>
-#include <fdt_support.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-cpu_t
-get_cpu_type(void)
-{
-	uint pvr = get_pvr();
-	cpu_t type;
-
-	type = CPU_UNKNOWN;
-
-	switch (PVR_VER(pvr)) {
-	case 0x000c:
-		type = CPU_7400;
-		break;
-	case 0x0008:
-		type = CPU_750;
-
-		if (((pvr >> 8) & 0xff) == 0x01) {
-			type = CPU_750CX;	/* old CX (80100 and 8010x?)*/
-		} else if (((pvr >> 8) & 0xff) == 0x22) {
-			type = CPU_750CX;	/* CX (82201,82202) and CXe (82214) */
-		} else if (((pvr >> 8) & 0xff) == 0x33) {
-			type = CPU_750CX;	/* CXe (83311) */
-		} else if (((pvr >> 12) & 0xF) == 0x3) {
-			type = CPU_755;
-		}
-		break;
-
-	case 0x7000:
-		type = CPU_750FX;
-		break;
-
-	case 0x7002:
-		type = CPU_750GX;
-		break;
-
-	case 0x800C:
-		type = CPU_7410;
-		break;
-
-	case 0x8000:
-		type = CPU_7450;
-		break;
-
-	case 0x8001:
-		type = CPU_7455;
-		break;
-
-	case 0x8002:
-		type = CPU_7457;
-		break;
-
-	case 0x8003:
-		type = CPU_7447A;
-		break;
-
-	case 0x8004:
-		type = CPU_7448;
-		break;
-
-	default:
-		break;
-	}
-
-	return type;
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if !defined(CONFIG_BAB7xx)
-int checkcpu (void)
-{
-	uint type   = get_cpu_type();
-	uint pvr    = get_pvr();
-	ulong clock = gd->cpu_clk;
-	char buf[32];
-	char *str;
-
-	puts ("CPU:   ");
-
-	switch (type) {
-	case CPU_750CX:
-		printf ("750CX%s v%d.%d", (pvr&0xf0)?"e":"",
-			(pvr>>8) & 0xf,
-			pvr & 0xf);
-		goto	PR_CLK;
-
-	case CPU_750:
-		str = "750";
-		break;
-
-	case CPU_750FX:
-		str = "750FX";
-		break;
-
-	case CPU_750GX:
-		str = "750GX";
-		break;
-
-	case CPU_755:
-		str = "755";
-		break;
-
-	case CPU_7400:
-		str = "MPC7400";
-		break;
-
-	case CPU_7410:
-		str = "MPC7410";
-		break;
-
-	case CPU_7447A:
-		str = "MPC7447A";
-		break;
-
-	case CPU_7448:
-		str = "MPC7448";
-		break;
-
-	case CPU_7450:
-		str = "MPC7450";
-		break;
-
-	case CPU_7455:
-		str = "MPC7455";
-		break;
-
-	case CPU_7457:
-		str = "MPC7457";
-		break;
-
-	default:
-		printf("Unknown CPU -- PVR: 0x%08x\n", pvr);
-		return -1;
-	}
-
-	printf ("%s v%d.%d", str, (pvr >> 8) & 0xFF, pvr & 0xFF);
-PR_CLK:
-	printf (" @ %s MHz\n", strmhz(buf, clock));
-
-	return (0);
-}
-#endif
-/* these two functions are unimplemented currently [josh] */
-
-/* -------------------------------------------------------------------- */
-/* L1 i-cache								*/
-
-int
-checkicache(void)
-{
-	return 0; /* XXX */
-}
-
-/* -------------------------------------------------------------------- */
-/* L1 d-cache								*/
-
-int
-checkdcache(void)
-{
-	return 0; /* XXX */
-}
-
-/* -------------------------------------------------------------------- */
-
-static inline void
-soft_restart(unsigned long addr)
-{
-	/* SRR0 has system reset vector, SRR1 has default MSR value */
-	/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
-
-	__asm__ __volatile__ ("mtspr	26, %0"		:: "r" (addr));
-	__asm__ __volatile__ ("li	4, (1 << 6)"	::: "r4");
-	__asm__ __volatile__ ("mtspr	27, 4");
-	__asm__ __volatile__ ("rfi");
-
-	while(1);	/* not reached */
-}
-
-
-#if !defined(CONFIG_BAB7xx)  && \
-    !defined(CONFIG_ELPPC)   && \
-    !defined(CONFIG_PPMC7XX)
-/* no generic way to do board reset. simply call soft_reset. */
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	ulong addr;
-	/* flush and disable I/D cache */
-	__asm__ __volatile__ ("mfspr	3, 1008"	::: "r3");
-	__asm__ __volatile__ ("ori	5, 5, 0xcc00"	::: "r5");
-	__asm__ __volatile__ ("ori	4, 3, 0xc00"	::: "r4");
-	__asm__ __volatile__ ("andc	5, 3, 5"	::: "r5");
-	__asm__ __volatile__ ("sync");
-	__asm__ __volatile__ ("mtspr	1008, 4");
-	__asm__ __volatile__ ("isync");
-	__asm__ __volatile__ ("sync");
-	__asm__ __volatile__ ("mtspr	1008, 5");
-	__asm__ __volatile__ ("isync");
-	__asm__ __volatile__ ("sync");
-
-#ifdef CONFIG_SYS_RESET_ADDRESS
-	addr = CONFIG_SYS_RESET_ADDRESS;
-#else
-	/*
-	 * note: when CONFIG_SYS_MONITOR_BASE points to a RAM address,
-	 * CONFIG_SYS_MONITOR_BASE - sizeof (ulong) is usually a valid
-	 * address. Better pick an address known to be invalid on your
-	 * system and assign it to CONFIG_SYS_RESET_ADDRESS.
-	 */
-	addr = CONFIG_SYS_MONITOR_BASE - sizeof (ulong);
-#endif
-	soft_restart(addr);
-
-	/* not reached */
-	while(1)
-		;
-
-	return 1;
-}
-#endif
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * For the 7400 the TB clock runs at 1/4 the cpu bus speed.
- */
-#ifndef CONFIG_SYS_BUS_CLK
-#define	CONFIG_SYS_BUS_CLK gd->bus_clk
-#endif
-
-unsigned long get_tbclk(void)
-{
-	return CONFIG_SYS_BUS_CLK / 4;
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if defined(CONFIG_WATCHDOG)
-#if !defined(CONFIG_BAB7xx)
-void
-watchdog_reset(void)
-{
-
-}
-#endif  /* !CONFIG_BAB7xx */
-#endif	/* CONFIG_WATCHDOG */
-
-/* ------------------------------------------------------------------------- */
-
-#ifdef CONFIG_OF_LIBFDT
-void ft_cpu_setup(void *blob, bd_t *bd)
-{
-	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
-			     "timebase-frequency", bd->bi_busfreq / 4, 1);
-	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
-			     "bus-frequency", bd->bi_busfreq, 1);
-	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
-			     "clock-frequency", bd->bi_intfreq, 1);
-
-	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
-
-	fdt_fixup_ethernet(blob);
-}
-#endif
-/* ------------------------------------------------------------------------- */
diff --git a/arch/powerpc/cpu/74xx_7xx/cpu_init.c b/arch/powerpc/cpu/74xx_7xx/cpu_init.c
deleted file mode 100644
index a6a8788433..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/cpu_init.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * cpu_init.c - low level cpu init
- *
- * there's really nothing going on here yet.  future work area?
- */
-
-#include <common.h>
-#include <74xx_7xx.h>
-
-/*
- * Breath some life into the CPU...
- *
- * there's basically nothing to do here since the memory controller
- * isn't on the CPU in this case.
- */
-void
-cpu_init_f (void)
-{
-	switch (get_cpu_type()) {
-	case CPU_7450:
-	case CPU_7455:
-	case CPU_7457:
-	case CPU_7447A:
-	case CPU_7448:
-		/* enable the timebase bit in HID0 */
-		set_hid0(get_hid0() | 0x4000000);
-		break;
-	default:
-		/* do nothing */
-		break;
-	}
-}
-
-/*
- * initialize higher level parts of CPU like timers
- */
-int cpu_init_r (void)
-{
-	return (0);
-}
diff --git a/arch/powerpc/cpu/74xx_7xx/interrupts.c b/arch/powerpc/cpu/74xx_7xx/interrupts.c
deleted file mode 100644
index a9062435d7..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/interrupts.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * interrupts.c - just enough support for the decrementer/timer
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-#include <mpc8xx_irq.h>
-#include <asm/processor.h>
-#include <commproc.h>
-#include <command.h>
-
-int interrupt_init_cpu (unsigned *decrementer_count)
-{
-	debug("interrupt_init: GT main cause reg: %08x:%08x\n",
-	       GTREGREAD(LOW_INTERRUPT_CAUSE_REGISTER),
-	       GTREGREAD(HIGH_INTERRUPT_CAUSE_REGISTER));
-	debug("interrupt_init: ethernet cause regs: %08x %08x %08x\n",
-	       GTREGREAD(ETHERNET0_INTERRUPT_CAUSE_REGISTER),
-	       GTREGREAD(ETHERNET1_INTERRUPT_CAUSE_REGISTER),
-	       GTREGREAD(ETHERNET2_INTERRUPT_CAUSE_REGISTER));
-	debug("interrupt_init: ethernet mask regs:  %08x %08x %08x\n",
-	       GTREGREAD(ETHERNET0_INTERRUPT_MASK_REGISTER),
-	       GTREGREAD(ETHERNET1_INTERRUPT_MASK_REGISTER),
-	       GTREGREAD(ETHERNET2_INTERRUPT_MASK_REGISTER));
-	debug("interrupt_init: setting decrementer_count\n");
-
-	*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
-
-	return (0);
-}
-
-/****************************************************************************/
-
-/*
- * Handle external interrupts
- */
-void
-external_interrupt(struct pt_regs *regs)
-{
-	puts("external_interrupt (oops!)\n");
-}
-
-volatile ulong timestamp = 0;
-
-/*
- * timer_interrupt - gets called when the decrementer overflows,
- * with interrupts disabled.
- * Trivial implementation - no need to be really accurate.
- */
-void
-timer_interrupt_cpu (struct pt_regs *regs)
-{
-	/* nothing to do here */
-	return;
-}
-
-/****************************************************************************/
-
-/*
- * Install and free a interrupt handler.
- */
-
-void
-irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
-{
-
-}
-
-void
-irq_free_handler(int vec)
-{
-
-}
-
-/****************************************************************************/
-
-void
-do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[])
-{
-	puts("IRQ related functions are unimplemented currently.\n");
-}
diff --git a/arch/powerpc/cpu/74xx_7xx/io.S b/arch/powerpc/cpu/74xx_7xx/io.S
deleted file mode 100644
index 3b4b08a889..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/io.S
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- *  Copyright (C) 1998	Dan Malek <dmalek@jlc.net>
- *  Copyright (C) 1999	Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- *  Copyright (C) 2001	Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- *			Andreas Heppel <aheppel@sysgo.de>
- *  Copyright (C) 2002	Wolfgang Denk <wd@denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <config.h>
-#include <ppc_asm.tmpl>
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     in8 */
-/*  Description:  Input 8 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  in8
-in8:
-	lbz     r3,0(r3)
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     in16 */
-/*  Description:  Input 16 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  in16
-in16:
-	lhz     r3,0(r3)
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     in16r */
-/*  Description:  Input 16 bits and byte reverse */
-/* ------------------------------------------------------------------------------- */
-	.globl  in16r
-in16r:
-	lhbrx   r3,0,r3
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     in32 */
-/*  Description:  Input 32 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  in32
-in32:
-	lwz     3,0(3)
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     in32r */
-/*  Description:  Input 32 bits and byte reverse */
-/* ------------------------------------------------------------------------------- */
-    .globl  in32r
-in32r:
-	lwbrx   r3,0,r3
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     out8 */
-/*  Description:  Output 8 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  out8
-out8:
-	stb     r4,0(r3)
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     out16 */
-/*  Description:  Output 16 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  out16
-out16:
-	sth     r4,0(r3)
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     out16r */
-/*  Description:  Byte reverse and output 16 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  out16r
-out16r:
-	sthbrx  r4,0,r3
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     out32 */
-/*  Description:  Output 32 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  out32
-out32:
-	stw     r4,0(r3)
-	sync
-	blr
-
-/* ------------------------------------------------------------------------------- */
-/*  Function:     out32r */
-/*  Description:  Byte reverse and output 32 bits */
-/* ------------------------------------------------------------------------------- */
-	.globl  out32r
-out32r:
-	stwbrx  r4,0,r3
-	sync
-	blr
diff --git a/arch/powerpc/cpu/74xx_7xx/kgdb.S b/arch/powerpc/cpu/74xx_7xx/kgdb.S
deleted file mode 100644
index 42b3a76009..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/kgdb.S
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *  Copyright (C) 2000	Murray Jensen <Murray.Jensen@cmst.csiro.au>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <config.h>
-#include <command.h>
-#include <74xx_7xx.h>
-#include <version.h>
-
-#include <ppc_asm.tmpl>
-#include <ppc_defs.h>
-
-#include <asm/cache.h>
-#include <asm/mmu.h>
-
-#if defined(CONFIG_CMD_KGDB)
-
- /*
- * cache flushing routines for kgdb
- */
-
-	.globl	kgdb_flush_cache_all
-kgdb_flush_cache_all:
-	lis	r3,0
-	addis	r4,r0,0x0040
-kgdb_flush_loop:
-	lwz	r5,0(r3)
-	addi	r3,r3,CONFIG_SYS_CACHELINE_SIZE
-	cmp	0,0,r3,r4
-	bne	kgdb_flush_loop
-	SYNC
-	mfspr	r3,1008
-	ori	r3,r3,0x8800
-	mtspr	1008,r3
-	sync
-	blr
-
-	.globl	kgdb_flush_cache_range
-kgdb_flush_cache_range:
-	li	r5,CONFIG_SYS_CACHELINE_SIZE-1
-	andc	r3,r3,r5
-	subf	r4,r3,r4
-	add	r4,r4,r5
-	srwi.	r4,r4,CONFIG_SYS_CACHELINE_SHIFT
-	beqlr
-	mtctr	r4
-	mr	r6,r3
-1:	dcbst	0,r3
-	addi	r3,r3,CONFIG_SYS_CACHELINE_SIZE
-	bdnz	1b
-	sync				/* wait for dcbst's to get to ram */
-	mtctr	r4
-2:	icbi	0,r6
-	addi	r6,r6,CONFIG_SYS_CACHELINE_SIZE
-	bdnz	2b
-	SYNC
-	blr
-
-#endif
diff --git a/arch/powerpc/cpu/74xx_7xx/speed.c b/arch/powerpc/cpu/74xx_7xx/speed.c
deleted file mode 100644
index 5ffa41cfc1..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/speed.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <74xx_7xx.h>
-#include <asm/processor.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-extern unsigned long get_board_bus_clk (void);
-
-static const int hid1_multipliers_x_10[] = {
-	25,	/* 0000 - 2.5x */
-	75,	/* 0001 - 7.5x */
-	70,	/* 0010 - 7x */
-	10,	/* 0011 - bypass */
-	20,	/* 0100 - 2x */
-	65,	/* 0101 - 6.5x */
-	100,	/* 0110 - 10x */
-	45,	/* 0111 - 4.5x */
-	30,	/* 1000 - 3x */
-	55,	/* 1001 - 5.5x */
-	40,	/* 1010 - 4x */
-	50,	/* 1011 - 5x */
-	80,	/* 1100 - 8x */
-	60,	/* 1101 - 6x */
-	35,	/* 1110 - 3.5x */
-	0	/* 1111 - off */
-};
-
-/* PLL_CFG[0:4] table for cpu 7448/7447A/7455/7457 */
-static const int hid1_74xx_multipliers_x_10[] = {
-	115,	/* 00000 - 11.5x  */
-	170,	/* 00001 - 17x    */
-	75,	/* 00010 -  7.5x  */
-	150,	/* 00011 - 15x    */
-	70,	/* 00100 -  7x    */
-	180,	/* 00101 - 18x    */
-	10,	/* 00110 - bypass */
-	200,	/* 00111 - 20x    */
-	20,	/* 01000 -  2x    */
-	210,	/* 01001 - 21x    */
-	65,	/* 01010 -  6.5x  */
-	130,	/* 01011 - 13x    */
-	85,	/* 01100 -  8.5x  */
-	240,	/* 01101 - 24x    */
-	95,	/* 01110 -  9.5x  */
-	90,	/* 01111 -  9x    */
-	30,	/* 10000 -  3x    */
-	105,	/* 10001 - 10.5x  */
-	55,	/* 10010 -  5.5x  */
-	110,	/* 10011 - 11x    */
-	40,	/* 10100 -  4x    */
-	100,	/* 10101 - 10x    */
-	50,	/* 10110 -  5x    */
-	120,	/* 10111 - 12x    */
-	80,	/* 11000 -  8x    */
-	140,	/* 11001 - 14x    */
-	60,	/* 11010 -  6x    */
-	160,	/* 11011 - 16x    */
-	135,	/* 11100 - 13.5x  */
-	280,	/* 11101 - 28x    */
-	0,	/* 11110 - off    */
-	125	/* 11111 - 12.5x  */
-};
-
-static const int hid1_fx_multipliers_x_10[] = {
-	00,	/* 0000 - off */
-	00,	/* 0001 - off */
-	10,	/* 0010 - bypass */
-	10,	/* 0011 - bypass */
-	20,	/* 0100 - 2x */
-	25,	/* 0101 - 2.5x */
-	30,	/* 0110 - 3x */
-	35,	/* 0111 - 3.5x */
-	40,	/* 1000 - 4x */
-	45,	/* 1001 - 4.5x */
-	50,	/* 1010 - 5x */
-	55,	/* 1011 - 5.5x */
-	60,	/* 1100 - 6x */
-	65,	/* 1101 - 6.5x */
-	70,	/* 1110 - 7x */
-	75,	/* 1111 - 7.5 */
-	80,	/* 10000 - 8x */
-	85,	/* 10001 - 8.5x */
-	90,	/* 10010 - 9x */
-	95,	/* 10011 - 9.5x */
-	100,	/* 10100 - 10x */
-	110,	/* 10101 - 11x */
-	120,	/* 10110 - 12x */
-};
-
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Measure CPU clock speed (core clock GCLK1, GCLK2)
- *
- * (Approx. GCLK frequency in Hz)
- */
-
-int get_clocks (void)
-{
-	ulong clock = 0;
-
-#ifdef CONFIG_SYS_BUS_CLK
-	gd->bus_clk = CONFIG_SYS_BUS_CLK;	/* bus clock is a fixed frequency */
-#else
-	gd->bus_clk = get_board_bus_clk ();	/* bus clock is configurable */
-#endif
-
-	/* calculate the clock frequency based upon the CPU type */
-	switch (get_cpu_type()) {
-	case CPU_7447A:
-	case CPU_7448:
-	case CPU_7455:
-	case CPU_7457:
-		/*
-		 * Make sure division is done before multiplication to prevent 32-bit
-		 * arithmetic overflows which will cause a negative number
-		 */
-		clock = (gd->bus_clk / 10) *
-			hid1_74xx_multipliers_x_10[(get_hid1 () >> 12) & 0x1F];
-		break;
-
-	case CPU_750GX:
-	case CPU_750FX:
-		clock = (gd->bus_clk / 10) *
-			hid1_fx_multipliers_x_10[get_hid1 () >> 27];
-		break;
-
-	case CPU_7450:
-	case CPU_740:
-	case CPU_740P:
-	case CPU_745:
-	case CPU_750CX:
-	case CPU_750:
-	case CPU_750P:
-	case CPU_755:
-	case CPU_7400:
-	case CPU_7410:
-		/*
-		 * Make sure division is done before multiplication to prevent 32-bit
-		 * arithmetic overflows which will cause a negative number
-		 */
-		clock = (gd->bus_clk / 10) *
-			hid1_multipliers_x_10[get_hid1 () >> 28];
-		break;
-
-	case CPU_UNKNOWN:
-	       printf ("get_gclk_freq(): unknown CPU type\n");
-	       clock = 0;
-	       return (1);
-	}
-
-	gd->cpu_clk = clock;
-
-	return (0);
-}
-
-/* ------------------------------------------------------------------------- */
diff --git a/arch/powerpc/cpu/74xx_7xx/start.S b/arch/powerpc/cpu/74xx_7xx/start.S
deleted file mode 100644
index 83937812bd..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/start.S
+++ /dev/null
@@ -1,829 +0,0 @@
-/*
- *  Copyright (C) 1998	Dan Malek <dmalek@jlc.net>
- *  Copyright (C) 1999	Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- *  Copyright (C) 2000,2001,2002 Wolfgang Denk <wd@denx.de>
- *  Copyright (C) 2001  Josh Huber <huber@mclx.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*  U-Boot - Startup Code for PowerPC based Embedded Boards
- *
- *
- *  The processor starts at 0xfff00100 and the code is executed
- *  from flash. The code is organized to be at an other address
- *  in memory, but as long we don't jump around before relocating.
- *  board_init lies at a quite high address and when the cpu has
- *  jumped there, everything is ok.
- */
-#include <asm-offsets.h>
-#include <config.h>
-#include <74xx_7xx.h>
-#include <version.h>
-
-#include <ppc_asm.tmpl>
-#include <ppc_defs.h>
-
-#include <asm/cache.h>
-#include <asm/mmu.h>
-#include <asm/u-boot.h>
-
-/* We don't want the  MMU yet.
-*/
-#undef	MSR_KERNEL
-/* Machine Check and Recoverable Interr. */
-#define MSR_KERNEL ( MSR_ME | MSR_RI )
-
-/*
- * Set up GOT: Global Offset Table
- *
- * Use r12 to access the GOT
- */
-	START_GOT
-	GOT_ENTRY(_GOT2_TABLE_)
-	GOT_ENTRY(_FIXUP_TABLE_)
-
-	GOT_ENTRY(_start)
-	GOT_ENTRY(_start_of_vectors)
-	GOT_ENTRY(_end_of_vectors)
-	GOT_ENTRY(transfer_to_handler)
-
-	GOT_ENTRY(__init_end)
-	GOT_ENTRY(__bss_end)
-	GOT_ENTRY(__bss_start)
-	END_GOT
-
-/*
- * r3 - 1st arg to board_init(): IMMP pointer
- * r4 - 2nd arg to board_init(): boot flag
- */
-	.text
-	.long	0x27051956		/* U-Boot Magic Number		*/
-	.globl	version_string
-version_string:
-	.ascii U_BOOT_VERSION_STRING, "\0"
-
-	. = EXC_OFF_SYS_RESET
-	.globl	_start
-_start:
-	b	boot_cold
-
-	/* the boot code is located below the exception table */
-
-	.globl	_start_of_vectors
-_start_of_vectors:
-
-/* Machine check */
-	STD_EXCEPTION(0x200, MachineCheck, MachineCheckException)
-
-/* Data Storage exception.  "Never" generated on the 860. */
-	STD_EXCEPTION(0x300, DataStorage, UnknownException)
-
-/* Instruction Storage exception.  "Never" generated on the 860. */
-	STD_EXCEPTION(0x400, InstStorage, UnknownException)
-
-/* External Interrupt exception. */
-	STD_EXCEPTION(0x500, ExtInterrupt, external_interrupt)
-
-/* Alignment exception. */
-	. = 0x600
-Alignment:
-	EXCEPTION_PROLOG(SRR0, SRR1)
-	mfspr	r4,DAR
-	stw	r4,_DAR(r21)
-	mfspr	r5,DSISR
-	stw	r5,_DSISR(r21)
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_TEMPLATE(Alignment, AlignmentException, MSR_KERNEL, COPY_EE)
-
-/* Program check exception */
-	. = 0x700
-ProgramCheck:
-	EXCEPTION_PROLOG(SRR0, SRR1)
-	addi	r3,r1,STACK_FRAME_OVERHEAD
-	EXC_XFER_TEMPLATE(ProgramCheck, ProgramCheckException,
-		MSR_KERNEL, COPY_EE)
-
-	/* No FPU on MPC8xx.  This exception is not supposed to happen.
-	*/
-	STD_EXCEPTION(0x800, FPUnavailable, UnknownException)
-
-	/* I guess we could implement decrementer, and may have
-	 * to someday for timekeeping.
-	 */
-	STD_EXCEPTION(0x900, Decrementer, timer_interrupt)
-	STD_EXCEPTION(0xa00, Trap_0a, UnknownException)
-	STD_EXCEPTION(0xb00, Trap_0b, UnknownException)
-	STD_EXCEPTION(0xc00, SystemCall, UnknownException)
-	STD_EXCEPTION(0xd00, SingleStep, UnknownException)
-
-	STD_EXCEPTION(0xe00, Trap_0e, UnknownException)
-	STD_EXCEPTION(0xf00, Trap_0f, UnknownException)
-
-	/*
-	 * On the MPC8xx, this is a software emulation interrupt. It
-	 * occurs for all unimplemented and illegal instructions.
-	 */
-	STD_EXCEPTION(0x1000, SoftEmu, SoftEmuException)
-
-	STD_EXCEPTION(0x1100, InstructionTLBMiss, UnknownException)
-	STD_EXCEPTION(0x1200, DataTLBMiss, UnknownException)
-	STD_EXCEPTION(0x1300, InstructionTLBError, UnknownException)
-	STD_EXCEPTION(0x1400, DataTLBError, UnknownException)
-
-	STD_EXCEPTION(0x1500, Reserved5, UnknownException)
-	STD_EXCEPTION(0x1600, Reserved6, UnknownException)
-	STD_EXCEPTION(0x1700, Reserved7, UnknownException)
-	STD_EXCEPTION(0x1800, Reserved8, UnknownException)
-	STD_EXCEPTION(0x1900, Reserved9, UnknownException)
-	STD_EXCEPTION(0x1a00, ReservedA, UnknownException)
-	STD_EXCEPTION(0x1b00, ReservedB, UnknownException)
-
-	STD_EXCEPTION(0x1c00, DataBreakpoint, UnknownException)
-	STD_EXCEPTION(0x1d00, InstructionBreakpoint, UnknownException)
-	STD_EXCEPTION(0x1e00, PeripheralBreakpoint, UnknownException)
-	STD_EXCEPTION(0x1f00, DevPortBreakpoint, UnknownException)
-
-	.globl	_end_of_vectors
-_end_of_vectors:
-
-	. = 0x2000
-
-boot_cold:
-	/* disable everything */
-	li	r0, 0
-	mtspr	HID0, r0
-	sync
-	mtmsr	0
-	bl	invalidate_bats
-	sync
-
-#ifdef CONFIG_SYS_L2
-	/* init the L2 cache */
-	addis	r3, r0, L2_INIT@h
-	ori	r3, r3, L2_INIT@l
-	sync
-	mtspr	l2cr, r3
-#endif
-#if defined(CONFIG_ALTIVEC) && defined(CONFIG_74xx)
-	.long	0x7e00066c
-		/*
-		 * dssall instruction, gas doesn't have it yet
-		 * ...for altivec, data stream stop all this probably
-		 * isn't needed unless we warm (software) reboot U-Boot
-		 */
-#endif
-
-#ifdef CONFIG_SYS_L2
-	/* invalidate the L2 cache */
-	bl	l2cache_invalidate
-	sync
-#endif
-#ifdef CONFIG_SYS_BOARD_ASM_INIT
-	/* do early init */
-	bl	board_asm_init
-#endif
-
-	/*
-	 * Calculate absolute address in FLASH and jump there
-	 *------------------------------------------------------*/
-	lis	r3, CONFIG_SYS_MONITOR_BASE@h
-	ori	r3, r3, CONFIG_SYS_MONITOR_BASE@l
-	addi	r3, r3, in_flash - _start + EXC_OFF_SYS_RESET
-	mtlr	r3
-	blr
-
-in_flash:
-	/* let the C-code set up the rest			*/
-	/*							*/
-	/* Be careful to keep code relocatable !		*/
-	/*------------------------------------------------------*/
-
-	/* perform low-level init */
-	/* sdram init, galileo init, etc */
-	/* r3:	NHR bit from HID0 */
-
-	/* setup the bats */
-	bl	setup_bats
-	sync
-
-	/*
-	 * Cache must be enabled here for stack-in-cache trick.
-	 * This means we need to enable the BATS.
-	 * This means:
-	 *   1) for the EVB, original gt regs need to be mapped
-	 *   2) need to have an IBAT for the 0xf region,
-	 *      we are running there!
-	 * Cache should be turned on after BATs, since by default
-	 * everything is write-through.
-	 * The init-mem BAT can be reused after reloc. The old
-	 * gt-regs BAT can be reused after board_init_f calls
-	 * board_early_init_f (EVB only).
-	 */
-#if !defined(CONFIG_BAB7xx) && !defined(CONFIG_ELPPC) && !defined(CONFIG_P3Mx)
-	/* enable address translation */
-	bl	enable_addr_trans
-	sync
-
-	/* enable and invalidate the data cache */
-	bl	l1dcache_enable
-	sync
-#endif
-#ifdef CONFIG_SYS_INIT_RAM_LOCK
-	bl	lock_ram_in_cache
-	sync
-#endif
-
-	/* set up the stack pointer in our newly created
-	 * cache-ram (r1) */
-	lis	r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET)@h
-	ori	r1, r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET)@l
-
-	li	r0, 0		/* Make room for stack frame header and	*/
-	stwu	r0, -4(r1)	/* clear final stack frame so that	*/
-	stwu	r0, -4(r1)	/* stack backtraces terminate cleanly	*/
-
-	GET_GOT			/* initialize GOT access	*/
-
-	/* run low-level CPU init code     (from Flash)	*/
-	bl	cpu_init_f
-	sync
-
-	/* run 1st part of board init code (from Flash)   */
-	bl	board_init_f
-	sync
-
-	/* NOTREACHED - board_init_f() does not return */
-
-	.globl	invalidate_bats
-invalidate_bats:
-	/* invalidate BATs */
-	mtspr	IBAT0U, r0
-	mtspr	IBAT1U, r0
-	mtspr	IBAT2U, r0
-	mtspr	IBAT3U, r0
-#ifdef CONFIG_HIGH_BATS
-	mtspr   IBAT4U, r0
-	mtspr   IBAT5U, r0
-	mtspr   IBAT6U, r0
-	mtspr   IBAT7U, r0
-#endif
-	isync
-	mtspr	DBAT0U, r0
-	mtspr	DBAT1U, r0
-	mtspr	DBAT2U, r0
-	mtspr	DBAT3U, r0
-#ifdef CONFIG_HIGH_BATS
-	mtspr   DBAT4U, r0
-	mtspr   DBAT5U, r0
-	mtspr   DBAT6U, r0
-	mtspr   DBAT7U, r0
-#endif
-	isync
-	sync
-	blr
-
-	/* setup_bats - set them up to some initial state */
-	.globl	setup_bats
-setup_bats:
-	addis	r0, r0, 0x0000
-
-	/* IBAT 0 */
-	addis	r4, r0, CONFIG_SYS_IBAT0L@h
-	ori	r4, r4, CONFIG_SYS_IBAT0L@l
-	addis	r3, r0, CONFIG_SYS_IBAT0U@h
-	ori	r3, r3, CONFIG_SYS_IBAT0U@l
-	mtspr	IBAT0L, r4
-	mtspr	IBAT0U, r3
-	isync
-
-	/* DBAT 0 */
-	addis	r4, r0, CONFIG_SYS_DBAT0L@h
-	ori	r4, r4, CONFIG_SYS_DBAT0L@l
-	addis	r3, r0, CONFIG_SYS_DBAT0U@h
-	ori	r3, r3, CONFIG_SYS_DBAT0U@l
-	mtspr	DBAT0L, r4
-	mtspr	DBAT0U, r3
-	isync
-
-	/* IBAT 1 */
-	addis	r4, r0, CONFIG_SYS_IBAT1L@h
-	ori	r4, r4, CONFIG_SYS_IBAT1L@l
-	addis	r3, r0, CONFIG_SYS_IBAT1U@h
-	ori	r3, r3, CONFIG_SYS_IBAT1U@l
-	mtspr	IBAT1L, r4
-	mtspr	IBAT1U, r3
-	isync
-
-	/* DBAT 1 */
-	addis	r4, r0, CONFIG_SYS_DBAT1L@h
-	ori	r4, r4, CONFIG_SYS_DBAT1L@l
-	addis	r3, r0, CONFIG_SYS_DBAT1U@h
-	ori	r3, r3, CONFIG_SYS_DBAT1U@l
-	mtspr	DBAT1L, r4
-	mtspr	DBAT1U, r3
-	isync
-
-	/* IBAT 2 */
-	addis	r4, r0, CONFIG_SYS_IBAT2L@h
-	ori	r4, r4, CONFIG_SYS_IBAT2L@l
-	addis	r3, r0, CONFIG_SYS_IBAT2U@h
-	ori	r3, r3, CONFIG_SYS_IBAT2U@l
-	mtspr	IBAT2L, r4
-	mtspr	IBAT2U, r3
-	isync
-
-	/* DBAT 2 */
-	addis	r4, r0, CONFIG_SYS_DBAT2L@h
-	ori	r4, r4, CONFIG_SYS_DBAT2L@l
-	addis	r3, r0, CONFIG_SYS_DBAT2U@h
-	ori	r3, r3, CONFIG_SYS_DBAT2U@l
-	mtspr	DBAT2L, r4
-	mtspr	DBAT2U, r3
-	isync
-
-	/* IBAT 3 */
-	addis	r4, r0, CONFIG_SYS_IBAT3L@h
-	ori	r4, r4, CONFIG_SYS_IBAT3L@l
-	addis	r3, r0, CONFIG_SYS_IBAT3U@h
-	ori	r3, r3, CONFIG_SYS_IBAT3U@l
-	mtspr	IBAT3L, r4
-	mtspr	IBAT3U, r3
-	isync
-
-	/* DBAT 3 */
-	addis	r4, r0, CONFIG_SYS_DBAT3L@h
-	ori	r4, r4, CONFIG_SYS_DBAT3L@l
-	addis	r3, r0, CONFIG_SYS_DBAT3U@h
-	ori	r3, r3, CONFIG_SYS_DBAT3U@l
-	mtspr	DBAT3L, r4
-	mtspr	DBAT3U, r3
-	isync
-
-#ifdef CONFIG_HIGH_BATS
-	/* IBAT 4 */
-	addis   r4, r0, CONFIG_SYS_IBAT4L@h
-	ori     r4, r4, CONFIG_SYS_IBAT4L@l
-	addis   r3, r0, CONFIG_SYS_IBAT4U@h
-	ori     r3, r3, CONFIG_SYS_IBAT4U@l
-	mtspr   IBAT4L, r4
-	mtspr   IBAT4U, r3
-	isync
-
-	/* DBAT 4 */
-	addis   r4, r0, CONFIG_SYS_DBAT4L@h
-	ori     r4, r4, CONFIG_SYS_DBAT4L@l
-	addis   r3, r0, CONFIG_SYS_DBAT4U@h
-	ori     r3, r3, CONFIG_SYS_DBAT4U@l
-	mtspr   DBAT4L, r4
-	mtspr   DBAT4U, r3
-	isync
-
-	/* IBAT 5 */
-	addis   r4, r0, CONFIG_SYS_IBAT5L@h
-	ori     r4, r4, CONFIG_SYS_IBAT5L@l
-	addis   r3, r0, CONFIG_SYS_IBAT5U@h
-	ori     r3, r3, CONFIG_SYS_IBAT5U@l
-	mtspr   IBAT5L, r4
-	mtspr   IBAT5U, r3
-	isync
-
-	/* DBAT 5 */
-	addis   r4, r0, CONFIG_SYS_DBAT5L@h
-	ori     r4, r4, CONFIG_SYS_DBAT5L@l
-	addis   r3, r0, CONFIG_SYS_DBAT5U@h
-	ori     r3, r3, CONFIG_SYS_DBAT5U@l
-	mtspr   DBAT5L, r4
-	mtspr   DBAT5U, r3
-	isync
-
-	/* IBAT 6 */
-	addis   r4, r0, CONFIG_SYS_IBAT6L@h
-	ori     r4, r4, CONFIG_SYS_IBAT6L@l
-	addis   r3, r0, CONFIG_SYS_IBAT6U@h
-	ori     r3, r3, CONFIG_SYS_IBAT6U@l
-	mtspr   IBAT6L, r4
-	mtspr   IBAT6U, r3
-	isync
-
-	/* DBAT 6 */
-	addis   r4, r0, CONFIG_SYS_DBAT6L@h
-	ori     r4, r4, CONFIG_SYS_DBAT6L@l
-	addis   r3, r0, CONFIG_SYS_DBAT6U@h
-	ori     r3, r3, CONFIG_SYS_DBAT6U@l
-	mtspr   DBAT6L, r4
-	mtspr   DBAT6U, r3
-	isync
-
-	/* IBAT 7 */
-	addis   r4, r0, CONFIG_SYS_IBAT7L@h
-	ori     r4, r4, CONFIG_SYS_IBAT7L@l
-	addis   r3, r0, CONFIG_SYS_IBAT7U@h
-	ori     r3, r3, CONFIG_SYS_IBAT7U@l
-	mtspr   IBAT7L, r4
-	mtspr   IBAT7U, r3
-	isync
-
-	/* DBAT 7 */
-	addis   r4, r0, CONFIG_SYS_DBAT7L@h
-	ori     r4, r4, CONFIG_SYS_DBAT7L@l
-	addis   r3, r0, CONFIG_SYS_DBAT7U@h
-	ori     r3, r3, CONFIG_SYS_DBAT7U@l
-	mtspr   DBAT7L, r4
-	mtspr   DBAT7U, r3
-	isync
-#endif
-
-	/* bats are done, now invalidate the TLBs */
-
-	addis	r3, 0, 0x0000
-	addis	r5, 0, 0x4    /* upper bound of 0x00040000 for 7400/750 */
-
-	isync
-
-tlblp:
-	tlbie	r3
-	sync
-	addi	r3, r3, 0x1000
-	cmp	0, 0, r3, r5
-	blt tlblp
-
-	blr
-
-	.globl enable_addr_trans
-enable_addr_trans:
-	/* enable address translation */
-	mfmsr	r5
-	ori	r5, r5, (MSR_IR | MSR_DR)
-	mtmsr	r5
-	isync
-	blr
-
-	.globl disable_addr_trans
-disable_addr_trans:
-	/* disable address translation */
-	mflr	r4
-	mfmsr	r3
-	andi.	r0, r3, (MSR_IR | MSR_DR)
-	beqlr
-	andc	r3, r3, r0
-	mtspr	SRR0, r4
-	mtspr	SRR1, r3
-	rfi
-
-/*
- * This code finishes saving the registers to the exception frame
- * and jumps to the appropriate handler for the exception.
- * Register r21 is pointer into trap frame, r1 has new stack pointer.
- */
-	.globl	transfer_to_handler
-transfer_to_handler:
-	stw	r22,_NIP(r21)
-	lis	r22,MSR_POW@h
-	andc	r23,r23,r22
-	stw	r23,_MSR(r21)
-	SAVE_GPR(7, r21)
-	SAVE_4GPRS(8, r21)
-	SAVE_8GPRS(12, r21)
-	SAVE_8GPRS(24, r21)
-	mflr	r23
-	andi.	r24,r23,0x3f00		/* get vector offset */
-	stw	r24,TRAP(r21)
-	li	r22,0
-	stw	r22,RESULT(r21)
-	mtspr	SPRG2,r22		/* r1 is now kernel sp */
-	lwz	r24,0(r23)		/* virtual address of handler */
-	lwz	r23,4(r23)		/* where to go when done */
-	mtspr	SRR0,r24
-	mtspr	SRR1,r20
-	mtlr	r23
-	SYNC
-	rfi				/* jump to handler, enable MMU */
-
-int_return:
-	mfmsr	r28		/* Disable interrupts */
-	li	r4,0
-	ori	r4,r4,MSR_EE
-	andc	r28,r28,r4
-	SYNC			/* Some chip revs need this... */
-	mtmsr	r28
-	SYNC
-	lwz	r2,_CTR(r1)
-	lwz	r0,_LINK(r1)
-	mtctr	r2
-	mtlr	r0
-	lwz	r2,_XER(r1)
-	lwz	r0,_CCR(r1)
-	mtspr	XER,r2
-	mtcrf	0xFF,r0
-	REST_10GPRS(3, r1)
-	REST_10GPRS(13, r1)
-	REST_8GPRS(23, r1)
-	REST_GPR(31, r1)
-	lwz	r2,_NIP(r1)	/* Restore environment */
-	lwz	r0,_MSR(r1)
-	mtspr	SRR0,r2
-	mtspr	SRR1,r0
-	lwz	r0,GPR0(r1)
-	lwz	r2,GPR2(r1)
-	lwz	r1,GPR1(r1)
-	SYNC
-	rfi
-
-	.globl	dc_read
-dc_read:
-	blr
-
-	.globl get_pvr
-get_pvr:
-	mfspr	r3, PVR
-	blr
-
-/*-----------------------------------------------------------------------*/
-/*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
- *
- * r3 = dest
- * r4 = src
- * r5 = length in bytes
- * r6 = cachelinesize
- */
-	.globl	relocate_code
-relocate_code:
-	mr	r1,  r3		/* Set new stack pointer		*/
-	mr	r9,  r4		/* Save copy of Global Data pointer	*/
-	mr	r10, r5		/* Save copy of Destination Address	*/
-
-	GET_GOT
-	mr	r3,  r5				/* Destination Address	*/
-	lis	r4, CONFIG_SYS_MONITOR_BASE@h		/* Source      Address	*/
-	ori	r4, r4, CONFIG_SYS_MONITOR_BASE@l
-	lwz	r5, GOT(__init_end)
-	sub	r5, r5, r4
-	li	r6, CONFIG_SYS_CACHELINE_SIZE		/* Cache Line Size	*/
-
-	/*
-	 * Fix GOT pointer:
-	 *
-	 * New GOT-PTR = (old GOT-PTR - CONFIG_SYS_MONITOR_BASE) + Destination Address
-	 *
-	 * Offset:
-	 */
-	sub	r15, r10, r4
-
-	/* First our own GOT */
-	add	r12, r12, r15
-	/* then the one used by the C code */
-	add	r30, r30, r15
-
-	/*
-	 * Now relocate code
-	 */
-#ifdef CONFIG_ECC
-	bl	board_relocate_rom
-	sync
-	mr	r3, r10				/* Destination Address	*/
-	lis	r4, CONFIG_SYS_MONITOR_BASE@h		/* Source      Address	*/
-	ori	r4, r4, CONFIG_SYS_MONITOR_BASE@l
-	lwz	r5, GOT(__init_end)
-	sub	r5, r5, r4
-	li	r6, CONFIG_SYS_CACHELINE_SIZE		/* Cache Line Size	*/
-#else
-	cmplw	cr1,r3,r4
-	addi	r0,r5,3
-	srwi.	r0,r0,2
-	beq	cr1,4f		/* In place copy is not necessary	*/
-	beq	7f		/* Protect against 0 count		*/
-	mtctr	r0
-	bge	cr1,2f
-
-	la	r8,-4(r4)
-	la	r7,-4(r3)
-1:	lwzu	r0,4(r8)
-	stwu	r0,4(r7)
-	bdnz	1b
-	b	4f
-
-2:	slwi	r0,r0,2
-	add	r8,r4,r0
-	add	r7,r3,r0
-3:	lwzu	r0,-4(r8)
-	stwu	r0,-4(r7)
-	bdnz	3b
-#endif
-/*
- * Now flush the cache: note that we must start from a cache aligned
- * address. Otherwise we might miss one cache line.
- */
-4:	cmpwi	r6,0
-	add	r5,r3,r5
-	beq	7f		/* Always flush prefetch queue in any case */
-	subi	r0,r6,1
-	andc	r3,r3,r0
-	mr	r4,r3
-5:	dcbst	0,r4
-	add	r4,r4,r6
-	cmplw	r4,r5
-	blt	5b
-	sync			/* Wait for all dcbst to complete on bus */
-	mr	r4,r3
-6:	icbi	0,r4
-	add	r4,r4,r6
-	cmplw	r4,r5
-	blt	6b
-7:	sync			/* Wait for all icbi to complete on bus	*/
-	isync
-
-/*
- * We are done. Do not return, instead branch to second part of board
- * initialization, now running from RAM.
- */
-	addi	r0, r10, in_ram - _start + EXC_OFF_SYS_RESET
-	mtlr	r0
-	blr
-
-in_ram:
-#ifdef CONFIG_ECC
-	bl	board_init_ecc
-#endif
-	/*
-	 * Relocation Function, r12 point to got2+0x8000
-	 *
-	 * Adjust got2 pointers, no need to check for 0, this code
-	 * already puts a few entries in the table.
-	 */
-	li	r0,__got2_entries@sectoff@l
-	la	r3,GOT(_GOT2_TABLE_)
-	lwz	r11,GOT(_GOT2_TABLE_)
-	mtctr	r0
-	sub	r11,r3,r11
-	addi	r3,r3,-4
-1:	lwzu	r0,4(r3)
-	cmpwi	r0,0
-	beq-	2f
-	add	r0,r0,r11
-	stw	r0,0(r3)
-2:	bdnz	1b
-
-	/*
-	 * Now adjust the fixups and the pointers to the fixups
-	 * in case we need to move ourselves again.
-	 */
-	li	r0,__fixup_entries@sectoff@l
-	lwz	r3,GOT(_FIXUP_TABLE_)
-	cmpwi	r0,0
-	mtctr	r0
-	addi	r3,r3,-4
-	beq	4f
-3:	lwzu	r4,4(r3)
-	lwzux	r0,r4,r11
-	cmpwi	r0,0
-	add	r0,r0,r11
-	stw	r4,0(r3)
-	beq-	5f
-	stw	r0,0(r4)
-5:	bdnz	3b
-4:
-/* clear_bss: */
-	/*
-	 * Now clear BSS segment
-	 */
-	lwz	r3,GOT(__bss_start)
-	lwz	r4,GOT(__bss_end)
-
-	cmplw	0, r3, r4
-	beq	6f
-
-	li	r0, 0
-5:
-	stw	r0, 0(r3)
-	addi	r3, r3, 4
-	cmplw	0, r3, r4
-	bne	5b
-6:
-	mr	r3, r10		/* Destination Address		*/
-#if defined(CONFIG_PPMC7XX)
-	mr	r4, r9		/* Use RAM copy of the global data */
-#endif
-	bl	after_reloc
-
-	/* not reached - end relocate_code */
-/*-----------------------------------------------------------------------*/
-
-	/*
-	 * Copy exception vector code to low memory
-	 *
-	 * r3: dest_addr
-	 * r7: source address, r8: end address, r9: target address
-	 */
-	.globl	trap_init
-trap_init:
-	mflr	r4			/* save link register		*/
-	GET_GOT
-	lwz	r7, GOT(_start)
-	lwz	r8, GOT(_end_of_vectors)
-
-	li	r9, 0x100		/* reset vector always at 0x100 */
-
-	cmplw	0, r7, r8
-	bgelr				/* return if r7>=r8 - just in case */
-1:
-	lwz	r0, 0(r7)
-	stw	r0, 0(r9)
-	addi	r7, r7, 4
-	addi	r9, r9, 4
-	cmplw	0, r7, r8
-	bne	1b
-
-	/*
-	 * relocate `hdlr' and `int_return' entries
-	 */
-	li	r7, .L_MachineCheck - _start + EXC_OFF_SYS_RESET
-	li	r8, Alignment - _start + EXC_OFF_SYS_RESET
-2:
-	bl	trap_reloc
-	addi	r7, r7, 0x100		/* next exception vector	*/
-	cmplw	0, r7, r8
-	blt	2b
-
-	li	r7, .L_Alignment - _start + EXC_OFF_SYS_RESET
-	bl	trap_reloc
-
-	li	r7, .L_ProgramCheck - _start + EXC_OFF_SYS_RESET
-	bl	trap_reloc
-
-	li	r7, .L_FPUnavailable - _start + EXC_OFF_SYS_RESET
-	li	r8, SystemCall - _start + EXC_OFF_SYS_RESET
-3:
-	bl	trap_reloc
-	addi	r7, r7, 0x100		/* next exception vector	*/
-	cmplw	0, r7, r8
-	blt	3b
-
-	li	r7, .L_SingleStep - _start + EXC_OFF_SYS_RESET
-	li	r8, _end_of_vectors - _start + EXC_OFF_SYS_RESET
-4:
-	bl	trap_reloc
-	addi	r7, r7, 0x100		/* next exception vector	*/
-	cmplw	0, r7, r8
-	blt	4b
-
-	/* enable execptions from RAM vectors */
-	mfmsr	r7
-	li	r8,MSR_IP
-	andc	r7,r7,r8
-	mtmsr	r7
-
-	mtlr	r4			/* restore link register	*/
-	blr
-
-#ifdef CONFIG_SYS_INIT_RAM_LOCK
-lock_ram_in_cache:
-	/* Allocate Initial RAM in data cache.
-	 */
-	lis	r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@h
-	ori	r3, r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@l
-	li	r4, ((CONFIG_SYS_INIT_RAM_SIZE & ~31) + \
-		     (CONFIG_SYS_INIT_RAM_ADDR & 31) + 31) / 32
-	mtctr	r4
-1:
-	dcbz	r0, r3
-	addi	r3, r3, 32
-	bdnz	1b
-
-	/* Lock the data cache */
-	mfspr	r0, HID0
-	ori	r0, r0, 0x1000
-	sync
-	mtspr	HID0, r0
-	sync
-	blr
-
-.globl unlock_ram_in_cache
-unlock_ram_in_cache:
-	/* invalidate the INIT_RAM section */
-	lis	r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@h
-	ori	r3, r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@l
-	li	r4, ((CONFIG_SYS_INIT_RAM_SIZE & ~31) + \
-		     (CONFIG_SYS_INIT_RAM_ADDR & 31) + 31) / 32
-	mtctr	r4
-1:	icbi	r0, r3
-	addi	r3, r3, 32
-	bdnz	1b
-	sync			/* Wait for all icbi to complete on bus	*/
-	isync
-
-	/* Unlock the data cache and invalidate it */
-	mfspr   r0, HID0
-	li      r3,0x1000
-	andc    r0,r0,r3
-	li	r3,0x0400
-	or	r0,r0,r3
-	sync
-	mtspr   HID0, r0
-	sync
-	blr
-#endif
diff --git a/arch/powerpc/cpu/74xx_7xx/traps.c b/arch/powerpc/cpu/74xx_7xx/traps.c
deleted file mode 100644
index 111c86cc15..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/traps.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * linux/arch/powerpc/kernel/traps.c
- *
- * Copyright (C) 1995-1996  Gary Thomas (gdt@linuxppc.org)
- *
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au)
- *
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * This file handles the architecture-dependent parts of hardware exceptions
- */
-
-#include <common.h>
-#include <command.h>
-#include <kgdb.h>
-#include <asm/processor.h>
-
-/* Returns 0 if exception not found and fixup otherwise.  */
-extern unsigned long search_exception_table(unsigned long);
-
-/* THIS NEEDS CHANGING to use the board info structure.
-*/
-#define END_OF_MEM	0x02000000
-
-/*
- * Trap & Exception support
- */
-
-static void print_backtrace(unsigned long *sp)
-{
-	int cnt = 0;
-	unsigned long i;
-
-	printf("Call backtrace: ");
-	while (sp) {
-		if ((uint)sp > END_OF_MEM)
-			break;
-
-		i = sp[1];
-		if (cnt++ % 7 == 0)
-			printf("\n");
-		printf("%08lX ", i);
-		if (cnt > 32) break;
-		sp = (unsigned long *)*sp;
-	}
-	printf("\n");
-}
-
-void show_regs(struct pt_regs *regs)
-{
-	int i;
-
-	printf("NIP: %08lX XER: %08lX LR: %08lX REGS:"
-	       " %p TRAP: %04lx DAR: %08lX\n",
-	       regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
-	printf("MSR: %08lx EE: %01x PR: %01x FP:"
-	       " %01x ME: %01x IR/DR: %01x%01x\n",
-	       regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0,
-	       regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0,
-	       regs->msr&MSR_IR ? 1 : 0,
-	       regs->msr&MSR_DR ? 1 : 0);
-
-	printf("\n");
-	for (i = 0;  i < 32;  i++) {
-		if ((i % 8) == 0)
-		{
-			printf("GPR%02d: ", i);
-		}
-
-		printf("%08lX ", regs->gpr[i]);
-		if ((i % 8) == 7)
-		{
-			printf("\n");
-		}
-	}
-}
-
-
-static void _exception(int signr, struct pt_regs *regs)
-{
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Exception in kernel pc %lx signal %d",regs->nip,signr);
-}
-
-void MachineCheckException(struct pt_regs *regs)
-{
-	unsigned long fixup;
-
-	/* Probing PCI using config cycles cause this exception
-	 * when a device is not present.  Catch it and return to
-	 * the PCI exception handler.
-	 */
-	if ((fixup = search_exception_table(regs->nip)) != 0) {
-		regs->nip = fixup;
-		return;
-	}
-
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-
-	printf("Machine check in kernel mode.\n");
-	printf("Caused by (from msr): ");
-	printf("regs %p ",regs);
-	switch( regs->msr & 0x000F0000) {
-	case (0x80000000>>12):
-		printf("Machine check signal - probably due to mm fault\n"
-			"with mmu off\n");
-		break;
-	case (0x80000000>>13):
-		printf("Transfer error ack signal\n");
-		break;
-	case (0x80000000>>14):
-		printf("Data parity signal\n");
-		break;
-	case (0x80000000>>15):
-		printf("Address parity signal\n");
-		break;
-	default:
-		printf("Unknown values in msr\n");
-	}
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("machine check");
-}
-
-void AlignmentException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Alignment Exception");
-}
-
-void ProgramCheckException(struct pt_regs *regs)
-{
-	unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;
-	int i, j;
-
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	show_regs(regs);
-
-	p = (unsigned char *) ((unsigned long)p & 0xFFFFFFE0);
-	p -= 32;
-	for (i = 0; i < 256; i+=16) {
-		printf("%08x: ", (unsigned int)p+i);
-		for (j = 0; j < 16; j++) {
-			printf("%02x ", p[i+j]);
-		}
-		printf("\n");
-	}
-
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Program Check Exception");
-}
-
-void SoftEmuException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	show_regs(regs);
-	print_backtrace((unsigned long *)regs->gpr[1]);
-	panic("Software Emulation Exception");
-}
-
-void UnknownException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
-	if (debugger_exception_handler && (*debugger_exception_handler)(regs))
-		return;
-#endif
-	printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
-	       regs->nip, regs->msr, regs->trap);
-	_exception(0, regs);
-}
-
-/* Probe an address by reading.  If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe(uint *addr)
-{
-#if 0
-	int	retval;
-
-	__asm__ __volatile__(			\
-		"1:	lwz %0,0(%1)\n"		\
-		"	eieio\n"		\
-		"	li %0,0\n"		\
-		"2:\n"				\
-		".section .fixup,\"ax\"\n"	\
-		"3:	li %0,-1\n"		\
-		"	b 2b\n"			\
-		".section __ex_table,\"a\"\n"	\
-		"	.align 2\n"		\
-		"	.long 1b,3b\n"		\
-		".text"				\
-		: "=r" (retval) : "r"(addr));
-
-	return (retval);
-#endif
-	return 0;
-}
diff --git a/arch/powerpc/cpu/74xx_7xx/u-boot.lds b/arch/powerpc/cpu/74xx_7xx/u-boot.lds
deleted file mode 100644
index c099849084..0000000000
--- a/arch/powerpc/cpu/74xx_7xx/u-boot.lds
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * (C) Copyright 2010 Wolfgang Denk <wd@denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-OUTPUT_ARCH(powerpc)
-
-SECTIONS
-{
-  .text      :
-  {
-    arch/powerpc/cpu/74xx_7xx/start.o	(.text*)
-
-    *(.text*)
-  }
-  _etext = .;
-  PROVIDE (etext = .);
-  .rodata    :
-  {
-    *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
-  }
-
-  /* Read-write section, merged into data segment: */
-  . = (. + 0x00FF) & 0xFFFFFF00;
-  _erotext = .;
-  PROVIDE (erotext = .);
-  .reloc   :
-  {
-    _GOT2_TABLE_ = .;
-    KEEP(*(.got2))
-    KEEP(*(.got))
-    PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
-    _FIXUP_TABLE_ = .;
-    KEEP(*(.fixup))
-  }
-  __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
-  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
-
-  .data    :
-  {
-    *(.data*)
-    *(.sdata*)
-  }
-  _edata  =  .;
-  PROVIDE (edata = .);
-
-  . = .;
-
-  . = ALIGN(4);
-  .u_boot_list : {
-	KEEP(*(SORT(.u_boot_list*)));
-  }
-
-
-  . = .;
-  __start___ex_table = .;
-  __ex_table : { *(__ex_table) }
-  __stop___ex_table = .;
-
-  . = ALIGN(256);
-  __init_begin = .;
-  .text.init : { *(.text.init) }
-  .data.init : { *(.data.init) }
-  . = ALIGN(256);
-  __init_end = .;
-
-  __bss_start = .;
-  .bss (NOLOAD)       :
-  {
-   *(.bss*)
-   *(.sbss*)
-   *(COMMON)
-   . = ALIGN(4);
-  }
-  __bss_end = . ;
-  PROVIDE (end = .);
-}
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index 4430477f9a..c57d9c0faf 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -100,9 +100,6 @@ struct arch_global_data {
 #if defined(CONFIG_4xx)
 	u32 uart_clk;
 #endif /* CONFIG_4xx */
-#if defined(CONFIG_SYS_GT_6426x)
-	unsigned int mirror_hack[16];
-#endif
 #ifdef CONFIG_SYS_FPGA_COUNT
 	unsigned fpga_state[CONFIG_SYS_FPGA_COUNT];
 #endif