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-rw-r--r--arch/frv/kernel/head-uc-fr451.S174
1 files changed, 0 insertions, 174 deletions
diff --git a/arch/frv/kernel/head-uc-fr451.S b/arch/frv/kernel/head-uc-fr451.S
deleted file mode 100644
index b2a76c4a1786..000000000000
--- a/arch/frv/kernel/head-uc-fr451.S
+++ /dev/null
@@ -1,174 +0,0 @@
-/* head-uc-fr451.S: FR451 uc-linux specific bits of initialisation
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * 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/init.h>
-#include <linux/threads.h>
-#include <linux/linkage.h>
-#include <asm/ptrace.h>
-#include <asm/page.h>
-#include <asm/spr-regs.h>
-#include <asm/mb86943a.h>
-#include "head.inc"
-
-
-#define __400_DBR0 0xfe000e00
-#define __400_DBR1 0xfe000e08
-#define __400_DBR2 0xfe000e10
-#define __400_DBR3 0xfe000e18
-#define __400_DAM0 0xfe000f00
-#define __400_DAM1 0xfe000f08
-#define __400_DAM2 0xfe000f10
-#define __400_DAM3 0xfe000f18
-#define __400_LGCR 0xfe000010
-#define __400_LCR 0xfe000100
-#define __400_LSBR 0xfe000c00
-
- __INIT
- .balign 4
-
-###############################################################################
-#
-# set the protection map with the I/DAMPR registers
-#
-# ENTRY: EXIT:
-# GR25 SDRAM size [saved]
-# GR26 &__head_reference [saved]
-# GR30 LED address [saved]
-#
-###############################################################################
- .globl __head_fr451_set_protection
-__head_fr451_set_protection:
- movsg lr,gr27
-
- movgs gr0,dampr10
- movgs gr0,damlr10
- movgs gr0,dampr9
- movgs gr0,damlr9
- movgs gr0,dampr8
- movgs gr0,damlr8
-
- # set the I/O region protection registers for FR401/3/5
- sethi.p %hi(__region_IO),gr5
- setlo %lo(__region_IO),gr5
- sethi.p %hi(0x1fffffff),gr7
- setlo %lo(0x1fffffff),gr7
- ori gr5,#xAMPRx_SS_512Mb|xAMPRx_S_KERNEL|xAMPRx_C|xAMPRx_V,gr5
- movgs gr5,dampr11 ; General I/O tile
- movgs gr7,damlr11
-
- # need to tile the remaining IAMPR/DAMPR registers to cover as much of the RAM as possible
- # - start with the highest numbered registers
- sethi.p %hi(__kernel_image_end),gr8
- setlo %lo(__kernel_image_end),gr8
- sethi.p %hi(32768),gr4 ; allow for a maximal allocator bitmap
- setlo %lo(32768),gr4
- add gr8,gr4,gr8
- sethi.p %hi(1024*2048-1),gr4 ; round up to nearest 2MiB
- setlo %lo(1024*2048-1),gr4
- add.p gr8,gr4,gr8
- not gr4,gr4
- and gr8,gr4,gr8
-
- sethi.p %hi(__page_offset),gr9
- setlo %lo(__page_offset),gr9
- add gr9,gr25,gr9
-
- sethi.p %hi(0xffffc000),gr11
- setlo %lo(0xffffc000),gr11
-
- # GR8 = base of uncovered RAM
- # GR9 = top of uncovered RAM
- # GR11 = xAMLR mask
- LEDS 0x3317
- call __head_split_region
- movgs gr4,iampr7
- movgs gr6,iamlr7
- movgs gr5,dampr7
- movgs gr7,damlr7
-
- LEDS 0x3316
- call __head_split_region
- movgs gr4,iampr6
- movgs gr6,iamlr6
- movgs gr5,dampr6
- movgs gr7,damlr6
-
- LEDS 0x3315
- call __head_split_region
- movgs gr4,iampr5
- movgs gr6,iamlr5
- movgs gr5,dampr5
- movgs gr7,damlr5
-
- LEDS 0x3314
- call __head_split_region
- movgs gr4,iampr4
- movgs gr6,iamlr4
- movgs gr5,dampr4
- movgs gr7,damlr4
-
- LEDS 0x3313
- call __head_split_region
- movgs gr4,iampr3
- movgs gr6,iamlr3
- movgs gr5,dampr3
- movgs gr7,damlr3
-
- LEDS 0x3312
- call __head_split_region
- movgs gr4,iampr2
- movgs gr6,iamlr2
- movgs gr5,dampr2
- movgs gr7,damlr2
-
- LEDS 0x3311
- call __head_split_region
- movgs gr4,iampr1
- movgs gr6,iamlr1
- movgs gr5,dampr1
- movgs gr7,damlr1
-
- # cover kernel core image with kernel-only segment
- LEDS 0x3310
- sethi.p %hi(__page_offset),gr8
- setlo %lo(__page_offset),gr8
- call __head_split_region
-
-#ifdef CONFIG_PROTECT_KERNEL
- ori.p gr4,#xAMPRx_S_KERNEL,gr4
- ori gr5,#xAMPRx_S_KERNEL,gr5
-#endif
-
- movgs gr4,iampr0
- movgs gr6,iamlr0
- movgs gr5,dampr0
- movgs gr7,damlr0
-
- # start in TLB context 0 with no page tables
- movgs gr0,cxnr
- movgs gr0,ttbr
-
- # the FR451 also has an extra trap base register
- movsg tbr,gr4
- movgs gr4,btbr
-
- # turn on the timers as appropriate
- movgs gr0,timerh
- movgs gr0,timerl
- movgs gr0,timerd
- movsg hsr0,gr4
- sethi.p %hi(HSR0_ETMI),gr5
- setlo %lo(HSR0_ETMI),gr5
- or gr4,gr5,gr4
- movgs gr4,hsr0
-
- LEDS 0x3300
- jmpl @(gr27,gr0)