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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-18 11:05:20 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-18 11:05:20 -0500
commit6a7f6ec9512970874fa9fc883ea44d77d0f287c2 (patch)
tree2bce1665b5a9e81bdd95f6e34410bdf13c58350e /arch/m68k/include/asm
parentc6fa63c659b3dd121f21afe7529f505505e79b23 (diff)
parent4c65595ec506ff65c90b1d9fed17333005fa5eb5 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (25 commits) m68knommu: fix broken setting of irq_chip and handler m68knommu: switch to using -mcpu= flags for ColdFire targets m68knommu: arch/m68knommu/Kconfig whitespace cleanup m68knommu: create optimal separate instruction and data cache for ColdFire m68knommu: support ColdFire caches that do copyback and write-through m68knommu: support version 2 ColdFire split cache m68knommu: make cache push code ColdFire generic m68knommu: clean up ColdFire cache control code m68knommu: move inclusion of ColdFire v4 cache registers m68knommu: merge bit definitions for version 3 ColdFire cache controller m68knommu: create bit definitions for the version 2 ColdFire cache controller m68knommu: remove empty __iounmap() it is no used m68knommu: remove kernel_map() code, it is not used m68knommu: remove do_page_fault(), it is not used m68knommu: use user stack pointer hardware on some ColdFire cores m68knommu: remove command line printing DEBUG m68knommu: remove fasthandler interrupt code m68knommu: move UART addressing to part specific includes m68knommu: fix clock rate value reported for ColdFire 54xx parts m68knommu: move ColdFire CPU names into their headers ...
Diffstat (limited to 'arch/m68k/include/asm')
-rw-r--r--arch/m68k/include/asm/cacheflush_no.h95
-rw-r--r--arch/m68k/include/asm/coldfire.h2
-rw-r--r--arch/m68k/include/asm/entry_no.h59
-rw-r--r--arch/m68k/include/asm/gpio.h2
-rw-r--r--arch/m68k/include/asm/io_no.h1
-rw-r--r--arch/m68k/include/asm/m5206sim.h14
-rw-r--r--arch/m68k/include/asm/m520xsim.h17
-rw-r--r--arch/m68k/include/asm/m523xsim.h11
-rw-r--r--arch/m68k/include/asm/m5249sim.h10
-rw-r--r--arch/m68k/include/asm/m5272sim.h8
-rw-r--r--arch/m68k/include/asm/m527xsim.h10
-rw-r--r--arch/m68k/include/asm/m528xsim.h11
-rw-r--r--arch/m68k/include/asm/m52xxacr.h94
-rw-r--r--arch/m68k/include/asm/m5307sim.h43
-rw-r--r--arch/m68k/include/asm/m532xsim.h33
-rw-r--r--arch/m68k/include/asm/m53xxacr.h101
-rw-r--r--arch/m68k/include/asm/m5407sim.h42
-rw-r--r--arch/m68k/include/asm/m54xxacr.h97
-rw-r--r--arch/m68k/include/asm/m54xxgpt.h (renamed from arch/m68k/include/asm/m548xgpt.h)10
-rw-r--r--arch/m68k/include/asm/m54xxsim.h (renamed from arch/m68k/include/asm/m548xsim.h)23
-rw-r--r--arch/m68k/include/asm/mcfcache.h150
-rw-r--r--arch/m68k/include/asm/mcfsim.h4
-rw-r--r--arch/m68k/include/asm/mcfuart.h45
-rw-r--r--arch/m68k/include/asm/processor.h13
24 files changed, 515 insertions, 380 deletions
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h
index 7085bd51668b..cb88aa96c4f1 100644
--- a/arch/m68k/include/asm/cacheflush_no.h
+++ b/arch/m68k/include/asm/cacheflush_no.h
@@ -2,21 +2,22 @@
2#define _M68KNOMMU_CACHEFLUSH_H 2#define _M68KNOMMU_CACHEFLUSH_H
3 3
4/* 4/*
5 * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com> 5 * (C) Copyright 2000-2010, Greg Ungerer <gerg@snapgear.com>
6 */ 6 */
7#include <linux/mm.h> 7#include <linux/mm.h>
8#include <asm/mcfsim.h>
8 9
9#define flush_cache_all() __flush_cache_all() 10#define flush_cache_all() __flush_cache_all()
10#define flush_cache_mm(mm) do { } while (0) 11#define flush_cache_mm(mm) do { } while (0)
11#define flush_cache_dup_mm(mm) do { } while (0) 12#define flush_cache_dup_mm(mm) do { } while (0)
12#define flush_cache_range(vma, start, end) __flush_cache_all() 13#define flush_cache_range(vma, start, end) do { } while (0)
13#define flush_cache_page(vma, vmaddr) do { } while (0) 14#define flush_cache_page(vma, vmaddr) do { } while (0)
14#define flush_dcache_range(start,len) __flush_cache_all() 15#define flush_dcache_range(start, len) __flush_dcache_all()
15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 16#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
16#define flush_dcache_page(page) do { } while (0) 17#define flush_dcache_page(page) do { } while (0)
17#define flush_dcache_mmap_lock(mapping) do { } while (0) 18#define flush_dcache_mmap_lock(mapping) do { } while (0)
18#define flush_dcache_mmap_unlock(mapping) do { } while (0) 19#define flush_dcache_mmap_unlock(mapping) do { } while (0)
19#define flush_icache_range(start,len) __flush_cache_all() 20#define flush_icache_range(start, len) __flush_icache_all()
20#define flush_icache_page(vma,pg) do { } while (0) 21#define flush_icache_page(vma,pg) do { } while (0)
21#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) 22#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
22#define flush_cache_vmap(start, end) do { } while (0) 23#define flush_cache_vmap(start, end) do { } while (0)
@@ -27,66 +28,52 @@
27#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 28#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
28 memcpy(dst, src, len) 29 memcpy(dst, src, len)
29 30
31void mcf_cache_push(void);
32
30static inline void __flush_cache_all(void) 33static inline void __flush_cache_all(void)
31{ 34{
32#if defined(CONFIG_M5407) || defined(CONFIG_M548x) 35#ifdef CACHE_PUSH
33 /* 36 mcf_cache_push();
34 * Use cpushl to push and invalidate all cache lines. 37#endif
35 * Gas doesn't seem to know how to generate the ColdFire 38#ifdef CACHE_INVALIDATE
36 * cpushl instruction... Oh well, bit stuff it for now.
37 */
38 __asm__ __volatile__ (
39 "nop\n\t"
40 "clrl %%d0\n\t"
41 "1:\n\t"
42 "movel %%d0,%%a0\n\t"
43 "2:\n\t"
44 ".word 0xf468\n\t"
45 "addl #0x10,%%a0\n\t"
46 "cmpl #0x00000800,%%a0\n\t"
47 "blt 2b\n\t"
48 "addql #1,%%d0\n\t"
49 "cmpil #4,%%d0\n\t"
50 "bne 1b\n\t"
51 "movel #0xb6088500,%%d0\n\t"
52 "movec %%d0,%%CACR\n\t"
53 : : : "d0", "a0" );
54#endif /* CONFIG_M5407 */
55#if defined(CONFIG_M523x) || defined(CONFIG_M527x)
56 __asm__ __volatile__ (
57 "movel #0x81400100, %%d0\n\t"
58 "movec %%d0, %%CACR\n\t"
59 "nop\n\t"
60 : : : "d0" );
61#endif /* CONFIG_M523x || CONFIG_M527x */
62#if defined(CONFIG_M528x)
63 __asm__ __volatile__ (
64 "movel #0x81000200, %%d0\n\t"
65 "movec %%d0, %%CACR\n\t"
66 "nop\n\t"
67 : : : "d0" );
68#endif /* CONFIG_M528x */
69#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
70 __asm__ __volatile__ ( 39 __asm__ __volatile__ (
71 "movel #0x81000100, %%d0\n\t" 40 "movel %0, %%d0\n\t"
72 "movec %%d0, %%CACR\n\t" 41 "movec %%d0, %%CACR\n\t"
73 "nop\n\t" 42 "nop\n\t"
74 : : : "d0" ); 43 : : "i" (CACHE_INVALIDATE) : "d0" );
75#endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */ 44#endif
76#ifdef CONFIG_M5249 45}
46
47/*
48 * Some ColdFire parts implement separate instruction and data caches,
49 * on those we should just flush the appropriate cache. If we don't need
50 * to do any specific flushing then this will be optimized away.
51 */
52static inline void __flush_icache_all(void)
53{
54#ifdef CACHE_INVALIDATEI
77 __asm__ __volatile__ ( 55 __asm__ __volatile__ (
78 "movel #0xa1000200, %%d0\n\t" 56 "movel %0, %%d0\n\t"
79 "movec %%d0, %%CACR\n\t" 57 "movec %%d0, %%CACR\n\t"
80 "nop\n\t" 58 "nop\n\t"
81 : : : "d0" ); 59 : : "i" (CACHE_INVALIDATEI) : "d0" );
82#endif /* CONFIG_M5249 */ 60#endif
83#ifdef CONFIG_M532x 61}
62
63static inline void __flush_dcache_all(void)
64{
65#ifdef CACHE_PUSH
66 mcf_cache_push();
67#endif
68#ifdef CACHE_INVALIDATED
84 __asm__ __volatile__ ( 69 __asm__ __volatile__ (
85 "movel #0x81000200, %%d0\n\t" 70 "movel %0, %%d0\n\t"
86 "movec %%d0, %%CACR\n\t" 71 "movec %%d0, %%CACR\n\t"
87 "nop\n\t" 72 "nop\n\t"
88 : : : "d0" ); 73 : : "i" (CACHE_INVALIDATED) : "d0" );
89#endif /* CONFIG_M532x */ 74#else
75 /* Flush the wrtite buffer */
76 __asm__ __volatile__ ( "nop" );
77#endif
90} 78}
91
92#endif /* _M68KNOMMU_CACHEFLUSH_H */ 79#endif /* _M68KNOMMU_CACHEFLUSH_H */
diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h
index 3b0a34d0fe33..213028cbe110 100644
--- a/arch/m68k/include/asm/coldfire.h
+++ b/arch/m68k/include/asm/coldfire.h
@@ -32,7 +32,7 @@
32 */ 32 */
33#define MCF_MBAR 0x10000000 33#define MCF_MBAR 0x10000000
34#define MCF_MBAR2 0x80000000 34#define MCF_MBAR2 0x80000000
35#if defined(CONFIG_M548x) 35#if defined(CONFIG_M54xx)
36#define MCF_IPSBAR MCF_MBAR 36#define MCF_IPSBAR MCF_MBAR
37#elif defined(CONFIG_M520x) 37#elif defined(CONFIG_M520x)
38#define MCF_IPSBAR 0xFC000000 38#define MCF_IPSBAR 0xFC000000
diff --git a/arch/m68k/include/asm/entry_no.h b/arch/m68k/include/asm/entry_no.h
index 26be277394f9..627d69bacc58 100644
--- a/arch/m68k/include/asm/entry_no.h
+++ b/arch/m68k/include/asm/entry_no.h
@@ -42,12 +42,16 @@
42 */ 42 */
43 43
44#ifdef CONFIG_COLDFIRE 44#ifdef CONFIG_COLDFIRE
45#ifdef CONFIG_COLDFIRE_SW_A7
45/* 46/*
46 * This is made a little more tricky on the ColdFire. There is no 47 * This is made a little more tricky on older ColdFires. There is no
47 * separate kernel and user stack pointers. Need to artificially 48 * separate supervisor and user stack pointers. Need to artificially
48 * construct a usp in software... When doing this we need to disable 49 * construct a usp in software... When doing this we need to disable
49 * interrupts, otherwise bad things could happen. 50 * interrupts, otherwise bad things will happen.
50 */ 51 */
52.globl sw_usp
53.globl sw_ksp
54
51.macro SAVE_ALL 55.macro SAVE_ALL
52 move #0x2700,%sr /* disable intrs */ 56 move #0x2700,%sr /* disable intrs */
53 btst #5,%sp@(2) /* from user? */ 57 btst #5,%sp@(2) /* from user? */
@@ -74,9 +78,7 @@
74 7: 78 7:
75.endm 79.endm
76 80
77.macro RESTORE_ALL 81.macro RESTORE_USER
78 btst #5,%sp@(PT_SR) /* going user? */
79 bnes 8f /* no, skip */
80 move #0x2700,%sr /* disable intrs */ 82 move #0x2700,%sr /* disable intrs */
81 movel sw_usp,%a0 /* get usp */ 83 movel sw_usp,%a0 /* get usp */
82 movel %sp@(PT_OFF_PC),%a0@- /* copy exception program counter */ 84 movel %sp@(PT_OFF_PC),%a0@- /* copy exception program counter */
@@ -91,19 +93,22 @@
91 subql #8,sw_usp /* set exception */ 93 subql #8,sw_usp /* set exception */
92 movel sw_usp,%sp /* restore usp */ 94 movel sw_usp,%sp /* restore usp */
93 rte 95 rte
94 8:
95 moveml %sp@,%d1-%d5/%a0-%a2
96 lea %sp@(32),%sp /* space for 8 regs */
97 movel %sp@+,%d0
98 addql #4,%sp /* orig d0 */
99 addl %sp@+,%sp /* stkadj */
100 rte
101.endm 96.endm
102 97
98.macro RDUSP
99 movel sw_usp,%a2
100.endm
101
102.macro WRUSP
103 movel %a0,sw_usp
104.endm
105
106#else /* !CONFIG_COLDFIRE_SW_A7 */
103/* 107/*
104 * Quick exception save, use current stack only. 108 * Modern ColdFire parts have separate supervisor and user stack
109 * pointers. Simple load and restore macros for this case.
105 */ 110 */
106.macro SAVE_LOCAL 111.macro SAVE_ALL
107 move #0x2700,%sr /* disable intrs */ 112 move #0x2700,%sr /* disable intrs */
108 clrl %sp@- /* stkadj */ 113 clrl %sp@- /* stkadj */
109 movel %d0,%sp@- /* orig d0 */ 114 movel %d0,%sp@- /* orig d0 */
@@ -112,7 +117,7 @@
112 moveml %d1-%d5/%a0-%a2,%sp@ 117 moveml %d1-%d5/%a0-%a2,%sp@
113.endm 118.endm
114 119
115.macro RESTORE_LOCAL 120.macro RESTORE_USER
116 moveml %sp@,%d1-%d5/%a0-%a2 121 moveml %sp@,%d1-%d5/%a0-%a2
117 lea %sp@(32),%sp /* space for 8 regs */ 122 lea %sp@(32),%sp /* space for 8 regs */
118 movel %sp@+,%d0 123 movel %sp@+,%d0
@@ -121,6 +126,18 @@
121 rte 126 rte
122.endm 127.endm
123 128
129.macro RDUSP
130 /*move %usp,%a2*/
131 .word 0x4e6a
132.endm
133
134.macro WRUSP
135 /*move %a0,%usp*/
136 .word 0x4e60
137.endm
138
139#endif /* !CONFIG_COLDFIRE_SW_A7 */
140
124.macro SAVE_SWITCH_STACK 141.macro SAVE_SWITCH_STACK
125 lea %sp@(-24),%sp /* 6 regs */ 142 lea %sp@(-24),%sp /* 6 regs */
126 moveml %a3-%a6/%d6-%d7,%sp@ 143 moveml %a3-%a6/%d6-%d7,%sp@
@@ -131,14 +148,6 @@
131 lea %sp@(24),%sp /* 6 regs */ 148 lea %sp@(24),%sp /* 6 regs */
132.endm 149.endm
133 150
134/*
135 * Software copy of the user and kernel stack pointers... Ugh...
136 * Need these to get around ColdFire not having separate kernel
137 * and user stack pointers.
138 */
139.globl sw_usp
140.globl sw_ksp
141
142#else /* !CONFIG_COLDFIRE */ 151#else /* !CONFIG_COLDFIRE */
143 152
144/* 153/*
@@ -167,6 +176,6 @@
167 moveml %sp@+,%a3-%a6/%d6-%d7 176 moveml %sp@+,%a3-%a6/%d6-%d7
168.endm 177.endm
169 178
170#endif /* !CONFIG_COLDFIRE */ 179#endif /* !COLDFIRE_SW_A7 */
171#endif /* __ASSEMBLY__ */ 180#endif /* __ASSEMBLY__ */
172#endif /* __M68KNOMMU_ENTRY_H */ 181#endif /* __M68KNOMMU_ENTRY_H */
diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
index 1b57adbafad5..c64c7b74cf86 100644
--- a/arch/m68k/include/asm/gpio.h
+++ b/arch/m68k/include/asm/gpio.h
@@ -37,7 +37,7 @@
37#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \ 37#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \
38 defined(CONFIG_M520x) || defined(CONFIG_M523x) || \ 38 defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
39 defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ 39 defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
40 defined(CONFIG_M532x) || defined(CONFIG_M548x) 40 defined(CONFIG_M532x) || defined(CONFIG_M54xx)
41 41
42/* These parts have GPIO organized by 8 bit ports */ 42/* These parts have GPIO organized by 8 bit ports */
43 43
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index 6e2413e518cb..cf20f3097af6 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -145,7 +145,6 @@ static inline void io_insl(unsigned int addr, void *buf, int len)
145#define IOMAP_WRITETHROUGH 3 145#define IOMAP_WRITETHROUGH 3
146 146
147extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag); 147extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
148extern void __iounmap(void *addr, unsigned long size);
149 148
150static inline void *ioremap(unsigned long physaddr, unsigned long size) 149static inline void *ioremap(unsigned long physaddr, unsigned long size)
151{ 150{
diff --git a/arch/m68k/include/asm/m5206sim.h b/arch/m68k/include/asm/m5206sim.h
index 9c384e294af9..561b03b5ddf8 100644
--- a/arch/m68k/include/asm/m5206sim.h
+++ b/arch/m68k/include/asm/m5206sim.h
@@ -12,6 +12,10 @@
12#define m5206sim_h 12#define m5206sim_h
13/****************************************************************************/ 13/****************************************************************************/
14 14
15#define CPU_NAME "COLDFIRE(m5206)"
16#define CPU_INSTR_PER_JIFFY 3
17
18#include <asm/m52xxacr.h>
15 19
16/* 20/*
17 * Define the 5206 SIM register set addresses. 21 * Define the 5206 SIM register set addresses.
@@ -88,6 +92,14 @@
88#define MCFSIM_PADDR (MCF_MBAR + 0x1c5) /* Parallel Direction (r/w) */ 92#define MCFSIM_PADDR (MCF_MBAR + 0x1c5) /* Parallel Direction (r/w) */
89#define MCFSIM_PADAT (MCF_MBAR + 0x1c9) /* Parallel Port Value (r/w) */ 93#define MCFSIM_PADAT (MCF_MBAR + 0x1c9) /* Parallel Port Value (r/w) */
90 94
95#if defined(CONFIG_NETtel)
96#define MCFUART_BASE1 0x180 /* Base address of UART1 */
97#define MCFUART_BASE2 0x140 /* Base address of UART2 */
98#else
99#define MCFUART_BASE1 0x140 /* Base address of UART1 */
100#define MCFUART_BASE2 0x180 /* Base address of UART2 */
101#endif
102
91/* 103/*
92 * Define system peripheral IRQ usage. 104 * Define system peripheral IRQ usage.
93 */ 105 */
@@ -95,7 +107,7 @@
95#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ 107#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */
96 108
97/* 109/*
98 * Generic GPIO 110 * Generic GPIO
99 */ 111 */
100#define MCFGPIO_PIN_MAX 8 112#define MCFGPIO_PIN_MAX 8
101#define MCFGPIO_IRQ_VECBASE -1 113#define MCFGPIO_IRQ_VECBASE -1
diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h
index db824a4b136e..88ed8239fe4e 100644
--- a/arch/m68k/include/asm/m520xsim.h
+++ b/arch/m68k/include/asm/m520xsim.h
@@ -11,6 +11,11 @@
11#define m520xsim_h 11#define m520xsim_h
12/****************************************************************************/ 12/****************************************************************************/
13 13
14#define CPU_NAME "COLDFIRE(m520x)"
15#define CPU_INSTR_PER_JIFFY 3
16
17#include <asm/m52xxacr.h>
18
14/* 19/*
15 * Define the 520x SIM register set addresses. 20 * Define the 520x SIM register set addresses.
16 */ 21 */
@@ -54,6 +59,9 @@
54#define MCFSIM_SDCS0 0x000a8110 /* SDRAM Chip Select 0 Configuration */ 59#define MCFSIM_SDCS0 0x000a8110 /* SDRAM Chip Select 0 Configuration */
55#define MCFSIM_SDCS1 0x000a8114 /* SDRAM Chip Select 1 Configuration */ 60#define MCFSIM_SDCS1 0x000a8114 /* SDRAM Chip Select 1 Configuration */
56 61
62/*
63 * EPORT and GPIO registers.
64 */
57#define MCFEPORT_EPDDR 0xFC088002 65#define MCFEPORT_EPDDR 0xFC088002
58#define MCFEPORT_EPDR 0xFC088004 66#define MCFEPORT_EPDR 0xFC088004
59#define MCFEPORT_EPPDR 0xFC088005 67#define MCFEPORT_EPPDR 0xFC088005
@@ -97,6 +105,7 @@
97#define MCFGPIO_PCLRR_UART 0xFC0A402A 105#define MCFGPIO_PCLRR_UART 0xFC0A402A
98#define MCFGPIO_PCLRR_FECH 0xFC0A402B 106#define MCFGPIO_PCLRR_FECH 0xFC0A402B
99#define MCFGPIO_PCLRR_FECL 0xFC0A402C 107#define MCFGPIO_PCLRR_FECL 0xFC0A402C
108
100/* 109/*
101 * Generic GPIO support 110 * Generic GPIO support
102 */ 111 */
@@ -109,7 +118,6 @@
109#define MCFGPIO_PIN_MAX 80 118#define MCFGPIO_PIN_MAX 80
110#define MCFGPIO_IRQ_MAX 8 119#define MCFGPIO_IRQ_MAX 8
111#define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE 120#define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE
112/****************************************************************************/
113 121
114#define MCF_GPIO_PAR_UART (0xA4036) 122#define MCF_GPIO_PAR_UART (0xA4036)
115#define MCF_GPIO_PAR_FECI2C (0xA4033) 123#define MCF_GPIO_PAR_FECI2C (0xA4033)
@@ -126,6 +134,13 @@
126#define MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 (0x04) 134#define MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 (0x04)
127 135
128/* 136/*
137 * UART module.
138 */
139#define MCFUART_BASE1 0x60000 /* Base address of UART1 */
140#define MCFUART_BASE2 0x64000 /* Base address of UART2 */
141#define MCFUART_BASE3 0x68000 /* Base address of UART2 */
142
143/*
129 * Reset Controll Unit. 144 * Reset Controll Unit.
130 */ 145 */
131#define MCF_RCR 0xFC0A0000 146#define MCF_RCR 0xFC0A0000
diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
index e8d06b24a48e..4ad7a00257a8 100644
--- a/arch/m68k/include/asm/m523xsim.h
+++ b/arch/m68k/include/asm/m523xsim.h
@@ -11,6 +11,10 @@
11#define m523xsim_h 11#define m523xsim_h
12/****************************************************************************/ 12/****************************************************************************/
13 13
14#define CPU_NAME "COLDFIRE(m523x)"
15#define CPU_INSTR_PER_JIFFY 3
16
17#include <asm/m52xxacr.h>
14 18
15/* 19/*
16 * Define the 523x SIM register set addresses. 20 * Define the 523x SIM register set addresses.
@@ -50,6 +54,13 @@
50#define MCF_RCR_SWRESET 0x80 /* Software reset bit */ 54#define MCF_RCR_SWRESET 0x80 /* Software reset bit */
51#define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */ 55#define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */
52 56
57/*
58 * UART module.
59 */
60#define MCFUART_BASE1 0x200 /* Base address of UART1 */
61#define MCFUART_BASE2 0x240 /* Base address of UART2 */
62#define MCFUART_BASE3 0x280 /* Base address of UART3 */
63
53#define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000) 64#define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000)
54#define MCFGPIO_PODR_DATAH (MCF_IPSBAR + 0x100001) 65#define MCFGPIO_PODR_DATAH (MCF_IPSBAR + 0x100001)
55#define MCFGPIO_PODR_DATAL (MCF_IPSBAR + 0x100002) 66#define MCFGPIO_PODR_DATAL (MCF_IPSBAR + 0x100002)
diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h
index 79b7b402f3c9..4908b118f2fd 100644
--- a/arch/m68k/include/asm/m5249sim.h
+++ b/arch/m68k/include/asm/m5249sim.h
@@ -11,6 +11,11 @@
11#define m5249sim_h 11#define m5249sim_h
12/****************************************************************************/ 12/****************************************************************************/
13 13
14#define CPU_NAME "COLDFIRE(m5249)"
15#define CPU_INSTR_PER_JIFFY 3
16
17#include <asm/m52xxacr.h>
18
14/* 19/*
15 * Define the 5249 SIM register set addresses. 20 * Define the 5249 SIM register set addresses.
16 */ 21 */
@@ -56,6 +61,11 @@
56#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ 61#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */
57#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ 62#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */
58 63
64/*
65 * UART module.
66 */
67#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */
68#define MCFUART_BASE2 0x200 /* Base address of UART2 */
59 69
60/* 70/*
61 * Some symbol defines for the above... 71 * Some symbol defines for the above...
diff --git a/arch/m68k/include/asm/m5272sim.h b/arch/m68k/include/asm/m5272sim.h
index df3332c2317d..b7cc50abc831 100644
--- a/arch/m68k/include/asm/m5272sim.h
+++ b/arch/m68k/include/asm/m5272sim.h
@@ -12,6 +12,11 @@
12#define m5272sim_h 12#define m5272sim_h
13/****************************************************************************/ 13/****************************************************************************/
14 14
15#define CPU_NAME "COLDFIRE(m5272)"
16#define CPU_INSTR_PER_JIFFY 3
17
18#include <asm/m52xxacr.h>
19
15/* 20/*
16 * Define the 5272 SIM register set addresses. 21 * Define the 5272 SIM register set addresses.
17 */ 22 */
@@ -62,6 +67,9 @@
62#define MCFSIM_DCMR1 0x5c /* DRAM 1 Mask reg (r/w) */ 67#define MCFSIM_DCMR1 0x5c /* DRAM 1 Mask reg (r/w) */
63#define MCFSIM_DCCR1 0x63 /* DRAM 1 Control reg (r/w) */ 68#define MCFSIM_DCCR1 0x63 /* DRAM 1 Control reg (r/w) */
64 69
70#define MCFUART_BASE1 0x100 /* Base address of UART1 */
71#define MCFUART_BASE2 0x140 /* Base address of UART2 */
72
65#define MCFSIM_PACNT (MCF_MBAR + 0x80) /* Port A Control (r/w) */ 73#define MCFSIM_PACNT (MCF_MBAR + 0x80) /* Port A Control (r/w) */
66#define MCFSIM_PADDR (MCF_MBAR + 0x84) /* Port A Direction (r/w) */ 74#define MCFSIM_PADDR (MCF_MBAR + 0x84) /* Port A Direction (r/w) */
67#define MCFSIM_PADAT (MCF_MBAR + 0x86) /* Port A Data (r/w) */ 75#define MCFSIM_PADAT (MCF_MBAR + 0x86) /* Port A Data (r/w) */
diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h
index 1feb46f108ce..e8042e8bc003 100644
--- a/arch/m68k/include/asm/m527xsim.h
+++ b/arch/m68k/include/asm/m527xsim.h
@@ -11,6 +11,10 @@
11#define m527xsim_h 11#define m527xsim_h
12/****************************************************************************/ 12/****************************************************************************/
13 13
14#define CPU_NAME "COLDFIRE(m527x)"
15#define CPU_INSTR_PER_JIFFY 3
16
17#include <asm/m52xxacr.h>
14 18
15/* 19/*
16 * Define the 5270/5271 SIM register set addresses. 20 * Define the 5270/5271 SIM register set addresses.
@@ -55,6 +59,12 @@
55#define MCFSIM_DMR1 0x5c /* SDRAM address mask 1 */ 59#define MCFSIM_DMR1 0x5c /* SDRAM address mask 1 */
56#endif 60#endif
57 61
62/*
63 * UART module.
64 */
65#define MCFUART_BASE1 0x200 /* Base address of UART1 */
66#define MCFUART_BASE2 0x240 /* Base address of UART2 */
67#define MCFUART_BASE3 0x280 /* Base address of UART3 */
58 68
59#ifdef CONFIG_M5271 69#ifdef CONFIG_M5271
60#define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000) 70#define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000)
diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
index 891cbedad972..a6d2f4d9aaa0 100644
--- a/arch/m68k/include/asm/m528xsim.h
+++ b/arch/m68k/include/asm/m528xsim.h
@@ -11,6 +11,10 @@
11#define m528xsim_h 11#define m528xsim_h
12/****************************************************************************/ 12/****************************************************************************/
13 13
14#define CPU_NAME "COLDFIRE(m528x)"
15#define CPU_INSTR_PER_JIFFY 3
16
17#include <asm/m52xxacr.h>
14 18
15/* 19/*
16 * Define the 5280/5282 SIM register set addresses. 20 * Define the 5280/5282 SIM register set addresses.
@@ -42,6 +46,13 @@
42#define MCFSIM_DMR1 0x54 /* SDRAM address mask 1 */ 46#define MCFSIM_DMR1 0x54 /* SDRAM address mask 1 */
43 47
44/* 48/*
49 * UART module.
50 */
51#define MCFUART_BASE1 0x200 /* Base address of UART1 */
52#define MCFUART_BASE2 0x240 /* Base address of UART2 */
53#define MCFUART_BASE3 0x280 /* Base address of UART3 */
54
55/*
45 * GPIO registers 56 * GPIO registers
46 */ 57 */
47#define MCFGPIO_PORTA (MCF_IPSBAR + 0x00100000) 58#define MCFGPIO_PORTA (MCF_IPSBAR + 0x00100000)
diff --git a/arch/m68k/include/asm/m52xxacr.h b/arch/m68k/include/asm/m52xxacr.h
new file mode 100644
index 000000000000..abc391a9ae8d
--- /dev/null
+++ b/arch/m68k/include/asm/m52xxacr.h
@@ -0,0 +1,94 @@
1/****************************************************************************/
2
3/*
4 * m52xxacr.h -- ColdFire version 2 core cache support
5 *
6 * (C) Copyright 2010, Greg Ungerer <gerg@snapgear.com>
7 */
8
9/****************************************************************************/
10#ifndef m52xxacr_h
11#define m52xxacr_h
12/****************************************************************************/
13
14/*
15 * All varients of the ColdFire using version 2 cores have a similar
16 * cache setup. Although not absolutely identical the cache register
17 * definitions are compatible for all of them. Mostly they support a
18 * configurable cache memory that can be instruction only, data only,
19 * or split instruction and data. The exception is the very old version 2
20 * core based parts, like the 5206(e), 5249 and 5272, which are instruction
21 * cache only. Cache size varies from 2k up to 16k.
22 */
23
24/*
25 * Define the Cache Control register flags.
26 */
27#define CACR_CENB 0x80000000 /* Enable cache */
28#define CACR_CDPI 0x10000000 /* Disable invalidation by CPUSHL */
29#define CACR_CFRZ 0x08000000 /* Cache freeze mode */
30#define CACR_CINV 0x01000000 /* Invalidate cache */
31#define CACR_DISI 0x00800000 /* Disable instruction cache */
32#define CACR_DISD 0x00400000 /* Disable data cache */
33#define CACR_INVI 0x00200000 /* Invalidate instruction cache */
34#define CACR_INVD 0x00100000 /* Invalidate data cache */
35#define CACR_CEIB 0x00000400 /* Non-cachable instruction burst */
36#define CACR_DCM 0x00000200 /* Default cache mode */
37#define CACR_DBWE 0x00000100 /* Buffered write enable */
38#define CACR_DWP 0x00000020 /* Write protection */
39#define CACR_EUSP 0x00000010 /* Enable separate user a7 */
40
41/*
42 * Define the Access Control register flags.
43 */
44#define ACR_BASE_POS 24 /* Address Base (upper 8 bits) */
45#define ACR_MASK_POS 16 /* Address Mask (next 8 bits) */
46#define ACR_ENABLE 0x00008000 /* Enable this ACR */
47#define ACR_USER 0x00000000 /* Allow only user accesses */
48#define ACR_SUPER 0x00002000 /* Allow supervisor access only */
49#define ACR_ANY 0x00004000 /* Allow any access type */
50#define ACR_CENB 0x00000000 /* Caching of region enabled */
51#define ACR_CDIS 0x00000040 /* Caching of region disabled */
52#define ACR_BWE 0x00000020 /* Write buffer enabled */
53#define ACR_WPROTECT 0x00000004 /* Write protect region */
54
55/*
56 * Set the cache controller settings we will use. On the cores that support
57 * a split cache configuration we allow all the combinations at Kconfig
58 * time. For those cores that only have an instruction cache we just set
59 * that as on.
60 */
61#if defined(CONFIG_CACHE_I)
62#define CACHE_TYPE (CACR_DISD + CACR_EUSP)
63#define CACHE_INVTYPEI 0
64#elif defined(CONFIG_CACHE_D)
65#define CACHE_TYPE (CACR_DISI + CACR_EUSP)
66#define CACHE_INVTYPED 0
67#elif defined(CONFIG_CACHE_BOTH)
68#define CACHE_TYPE CACR_EUSP
69#define CACHE_INVTYPEI CACR_INVI
70#define CACHE_INVTYPED CACR_INVD
71#else
72/* This is the instruction cache only devices (no split cache, no eusp) */
73#define CACHE_TYPE 0
74#define CACHE_INVTYPEI 0
75#endif
76
77#define CACHE_INIT (CACR_CINV + CACHE_TYPE)
78#define CACHE_MODE (CACR_CENB + CACHE_TYPE + CACR_DCM)
79
80#define CACHE_INVALIDATE (CACHE_MODE + CACR_CINV)
81#if defined(CACHE_INVTYPEI)
82#define CACHE_INVALIDATEI (CACHE_MODE + CACR_CINV + CACHE_INVTYPEI)
83#endif
84#if defined(CACHE_INVTYPED)
85#define CACHE_INVALIDATED (CACHE_MODE + CACR_CINV + CACHE_INVTYPED)
86#endif
87
88#define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \
89 (0x000f0000) + \
90 (ACR_ENABLE + ACR_ANY + ACR_CENB + ACR_BWE))
91#define ACR1_MODE 0
92
93/****************************************************************************/
94#endif /* m52xxsim_h */
diff --git a/arch/m68k/include/asm/m5307sim.h b/arch/m68k/include/asm/m5307sim.h
index c6830e5b54ce..0bf57397e7a9 100644
--- a/arch/m68k/include/asm/m5307sim.h
+++ b/arch/m68k/include/asm/m5307sim.h
@@ -14,6 +14,11 @@
14#define m5307sim_h 14#define m5307sim_h
15/****************************************************************************/ 15/****************************************************************************/
16 16
17#define CPU_NAME "COLDFIRE(m5307)"
18#define CPU_INSTR_PER_JIFFY 3
19
20#include <asm/m53xxacr.h>
21
17/* 22/*
18 * Define the 5307 SIM register set addresses. 23 * Define the 5307 SIM register set addresses.
19 */ 24 */
@@ -94,6 +99,17 @@
94#define MCFSIM_PADAT (MCF_MBAR + 0x248) 99#define MCFSIM_PADAT (MCF_MBAR + 0x248)
95 100
96/* 101/*
102 * UART module.
103 */
104#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3)
105#define MCFUART_BASE1 0x200 /* Base address of UART1 */
106#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */
107#else
108#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */
109#define MCFUART_BASE2 0x200 /* Base address of UART2 */
110#endif
111
112/*
97 * Generic GPIO support 113 * Generic GPIO support
98 */ 114 */
99#define MCFGPIO_PIN_MAX 16 115#define MCFGPIO_PIN_MAX 16
@@ -146,32 +162,5 @@
146#define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ 162#define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */
147#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ 163#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */
148 164
149/*
150 * Define the Cache register flags.
151 */
152#define CACR_EC (1<<31)
153#define CACR_ESB (1<<29)
154#define CACR_DPI (1<<28)
155#define CACR_HLCK (1<<27)
156#define CACR_CINVA (1<<24)
157#define CACR_DNFB (1<<10)
158#define CACR_DCM_WTHRU (0<<8)
159#define CACR_DCM_WBACK (1<<8)
160#define CACR_DCM_OFF_PRE (2<<8)
161#define CACR_DCM_OFF_IMP (3<<8)
162#define CACR_DW (1<<5)
163
164#define ACR_BASE_POS 24
165#define ACR_MASK_POS 16
166#define ACR_ENABLE (1<<15)
167#define ACR_USER (0<<13)
168#define ACR_SUPER (1<<13)
169#define ACR_ANY (2<<13)
170#define ACR_CM_WTHRU (0<<5)
171#define ACR_CM_WBACK (1<<5)
172#define ACR_CM_OFF_PRE (2<<5)
173#define ACR_CM_OFF_IMP (3<<5)
174#define ACR_WPROTECT (1<<2)
175
176/****************************************************************************/ 165/****************************************************************************/
177#endif /* m5307sim_h */ 166#endif /* m5307sim_h */
diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
index c4bf1c81e3cf..e6470f8ca324 100644
--- a/arch/m68k/include/asm/m532xsim.h
+++ b/arch/m68k/include/asm/m532xsim.h
@@ -9,6 +9,11 @@
9#define m532xsim_h 9#define m532xsim_h
10/****************************************************************************/ 10/****************************************************************************/
11 11
12#define CPU_NAME "COLDFIRE(m532x)"
13#define CPU_INSTR_PER_JIFFY 3
14
15#include <asm/m53xxacr.h>
16
12#define MCF_REG32(x) (*(volatile unsigned long *)(x)) 17#define MCF_REG32(x) (*(volatile unsigned long *)(x))
13#define MCF_REG16(x) (*(volatile unsigned short *)(x)) 18#define MCF_REG16(x) (*(volatile unsigned short *)(x))
14#define MCF_REG08(x) (*(volatile unsigned char *)(x)) 19#define MCF_REG08(x) (*(volatile unsigned char *)(x))
@@ -74,31 +79,11 @@
74#define MCF_IRQ_PROFILER (64 + 33) /* Timer1 */ 79#define MCF_IRQ_PROFILER (64 + 33) /* Timer1 */
75 80
76/* 81/*
77 * Define the Cache register flags. 82 * UART module.
78 */ 83 */
79#define CACR_EC (1<<31) 84#define MCFUART_BASE1 0xFC060000 /* Base address of UART1 */
80#define CACR_ESB (1<<29) 85#define MCFUART_BASE2 0xFC064000 /* Base address of UART2 */
81#define CACR_DPI (1<<28) 86#define MCFUART_BASE3 0xFC068000 /* Base address of UART3 */
82#define CACR_HLCK (1<<27)
83#define CACR_CINVA (1<<24)
84#define CACR_DNFB (1<<10)
85#define CACR_DCM_WTHRU (0<<8)
86#define CACR_DCM_WBACK (1<<8)
87#define CACR_DCM_OFF_PRE (2<<8)
88#define CACR_DCM_OFF_IMP (3<<8)
89#define CACR_DW (1<<5)
90
91#define ACR_BASE_POS 24
92#define ACR_MASK_POS 16
93#define ACR_ENABLE (1<<15)
94#define ACR_USER (0<<13)
95#define ACR_SUPER (1<<13)
96#define ACR_ANY (2<<13)
97#define ACR_CM_WTHRU (0<<5)
98#define ACR_CM_WBACK (1<<5)
99#define ACR_CM_OFF_PRE (2<<5)
100#define ACR_CM_OFF_IMP (3<<5)
101#define ACR_WPROTECT (1<<2)
102 87
103/********************************************************************* 88/*********************************************************************
104 * 89 *
diff --git a/arch/m68k/include/asm/m53xxacr.h b/arch/m68k/include/asm/m53xxacr.h
new file mode 100644
index 000000000000..cd952b0a8bd3
--- /dev/null
+++ b/arch/m68k/include/asm/m53xxacr.h
@@ -0,0 +1,101 @@
1/****************************************************************************/
2
3/*
4 * m53xxacr.h -- ColdFire version 3 core cache support
5 *
6 * (C) Copyright 2010, Greg Ungerer <gerg@snapgear.com>
7 */
8
9/****************************************************************************/
10#ifndef m53xxacr_h
11#define m53xxacr_h
12/****************************************************************************/
13
14/*
15 * All varients of the ColdFire using version 3 cores have a similar
16 * cache setup. They have a unified instruction and data cache, with
17 * configurable write-through or copy-back operation.
18 */
19
20/*
21 * Define the Cache Control register flags.
22 */
23#define CACR_EC 0x80000000 /* Enable cache */
24#define CACR_ESB 0x20000000 /* Enable store buffer */
25#define CACR_DPI 0x10000000 /* Disable invalidation by CPUSHL */
26#define CACR_HLCK 0x08000000 /* Half cache lock mode */
27#define CACR_CINVA 0x01000000 /* Invalidate cache */
28#define CACR_DNFB 0x00000400 /* Inhibited fill buffer */
29#define CACR_DCM_WT 0x00000000 /* Cacheable write-through */
30#define CACR_DCM_CB 0x00000100 /* Cacheable copy-back */
31#define CACR_DCM_PRE 0x00000200 /* Cache inhibited, precise */
32#define CACR_DCM_IMPRE 0x00000300 /* Cache inhibited, imprecise */
33#define CACR_WPROTECT 0x00000020 /* Write protect*/
34#define CACR_EUSP 0x00000010 /* Eanble separate user a7 */
35
36/*
37 * Define the Access Control register flags.
38 */
39#define ACR_BASE_POS 24 /* Address Base (upper 8 bits) */
40#define ACR_MASK_POS 16 /* Address Mask (next 8 bits) */
41#define ACR_ENABLE 0x00008000 /* Enable this ACR */
42#define ACR_USER 0x00000000 /* Allow only user accesses */
43#define ACR_SUPER 0x00002000 /* Allow supervisor access only */
44#define ACR_ANY 0x00004000 /* Allow any access type */
45#define ACR_CM_WT 0x00000000 /* Cacheable, write-through */
46#define ACR_CM_CB 0x00000020 /* Cacheable, copy-back */
47#define ACR_CM_PRE 0x00000040 /* Cache inhibited, precise */
48#define ACR_CM_IMPRE 0x00000060 /* Cache inhibited, imprecise */
49#define ACR_WPROTECT 0x00000004 /* Write protect region */
50
51/*
52 * Define the cache type and arrangement (needed for pushes).
53 */
54#if defined(CONFIG_M5307)
55#define CACHE_SIZE 0x2000 /* 8k of unified cache */
56#define ICACHE_SIZE CACHE_SIZE
57#define DCACHE_SIZE CACHE_SIZE
58#elif defined(CONFIG_M532x)
59#define CACHE_SIZE 0x4000 /* 32k of unified cache */
60#define ICACHE_SIZE CACHE_SIZE
61#define DCACHE_SIZE CACHE_SIZE
62#endif
63
64#define CACHE_LINE_SIZE 16 /* 16 byte line size */
65#define CACHE_WAYS 4 /* 4 ways - set associative */
66
67/*
68 * Set the cache controller settings we will use. This default in the
69 * CACR is cache inhibited, we use the ACR register to set cacheing
70 * enabled on the regions we want (eg RAM).
71 */
72#if defined(CONFIG_CACHE_COPYBACK)
73#define CACHE_TYPE ACR_CM_CB
74#define CACHE_PUSH
75#else
76#define CACHE_TYPE ACR_CM_WT
77#endif
78
79#ifdef CONFIG_COLDFIRE_SW_A7
80#define CACHE_MODE (CACR_EC + CACR_ESB + CACR_DCM_PRE)
81#else
82#define CACHE_MODE (CACR_EC + CACR_ESB + CACR_DCM_PRE + CACR_EUSP)
83#endif
84
85/*
86 * Unified cache means we will never need to flush for coherency of
87 * instruction fetch. We will need to flush to maintain memory/DMA
88 * coherency though in all cases. And for copyback caches we will need
89 * to push cached data as well.
90 */
91#define CACHE_INIT CACR_CINVA
92#define CACHE_INVALIDATE CACR_CINVA
93#define CACHE_INVALIDATED CACR_CINVA
94
95#define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \
96 (0x000f0000) + \
97 (ACR_ENABLE + ACR_ANY + CACHE_TYPE))
98#define ACR1_MODE 0
99
100/****************************************************************************/
101#endif /* m53xxsim_h */
diff --git a/arch/m68k/include/asm/m5407sim.h b/arch/m68k/include/asm/m5407sim.h
index c399abbf953c..75f5c28a551d 100644
--- a/arch/m68k/include/asm/m5407sim.h
+++ b/arch/m68k/include/asm/m5407sim.h
@@ -14,6 +14,11 @@
14#define m5407sim_h 14#define m5407sim_h
15/****************************************************************************/ 15/****************************************************************************/
16 16
17#define CPU_NAME "COLDFIRE(m5407)"
18#define CPU_INSTR_PER_JIFFY 3
19
20#include <asm/m54xxacr.h>
21
17/* 22/*
18 * Define the 5407 SIM register set addresses. 23 * Define the 5407 SIM register set addresses.
19 */ 24 */
@@ -73,6 +78,9 @@
73#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ 78#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */
74#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ 79#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */
75 80
81#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */
82#define MCFUART_BASE2 0x200 /* Base address of UART2 */
83
76#define MCFSIM_PADDR (MCF_MBAR + 0x244) 84#define MCFSIM_PADDR (MCF_MBAR + 0x244)
77#define MCFSIM_PADAT (MCF_MBAR + 0x248) 85#define MCFSIM_PADAT (MCF_MBAR + 0x248)
78 86
@@ -117,39 +125,5 @@
117#define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ 125#define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */
118#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ 126#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */
119 127
120/*
121 * Define the Cache register flags.
122 */
123#define CACR_DEC 0x80000000 /* Enable data cache */
124#define CACR_DWP 0x40000000 /* Data write protection */
125#define CACR_DESB 0x20000000 /* Enable data store buffer */
126#define CACR_DDPI 0x10000000 /* Disable CPUSHL */
127#define CACR_DHCLK 0x08000000 /* Half data cache lock mode */
128#define CACR_DDCM_WT 0x00000000 /* Write through cache*/
129#define CACR_DDCM_CP 0x02000000 /* Copyback cache */
130#define CACR_DDCM_P 0x04000000 /* No cache, precise */
131#define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */
132#define CACR_DCINVA 0x01000000 /* Invalidate data cache */
133#define CACR_BEC 0x00080000 /* Enable branch cache */
134#define CACR_BCINVA 0x00040000 /* Invalidate branch cache */
135#define CACR_IEC 0x00008000 /* Enable instruction cache */
136#define CACR_DNFB 0x00002000 /* Inhibited fill buffer */
137#define CACR_IDPI 0x00001000 /* Disable CPUSHL */
138#define CACR_IHLCK 0x00000800 /* Intruction cache half lock */
139#define CACR_IDCM 0x00000400 /* Intruction cache inhibit */
140#define CACR_ICINVA 0x00000100 /* Invalidate instr cache */
141
142#define ACR_BASE_POS 24 /* Address Base */
143#define ACR_MASK_POS 16 /* Address Mask */
144#define ACR_ENABLE 0x00008000 /* Enable address */
145#define ACR_USER 0x00000000 /* User mode access only */
146#define ACR_SUPER 0x00002000 /* Supervisor mode only */
147#define ACR_ANY 0x00004000 /* Match any access mode */
148#define ACR_CM_WT 0x00000000 /* Write through mode */
149#define ACR_CM_CP 0x00000020 /* Copyback mode */
150#define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */
151#define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */
152#define ACR_WPROTECT 0x00000004 /* Write protect */
153
154/****************************************************************************/ 128/****************************************************************************/
155#endif /* m5407sim_h */ 129#endif /* m5407sim_h */
diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h
new file mode 100644
index 000000000000..16a1835f9b2a
--- /dev/null
+++ b/arch/m68k/include/asm/m54xxacr.h
@@ -0,0 +1,97 @@
1/*
2 * Bit definitions for the MCF54xx ACR and CACR registers.
3 */
4
5#ifndef m54xxacr_h
6#define m54xxacr_h
7
8/*
9 * Define the Cache register flags.
10 */
11#define CACR_DEC 0x80000000 /* Enable data cache */
12#define CACR_DWP 0x40000000 /* Data write protection */
13#define CACR_DESB 0x20000000 /* Enable data store buffer */
14#define CACR_DDPI 0x10000000 /* Disable invalidation by CPUSHL */
15#define CACR_DHCLK 0x08000000 /* Half data cache lock mode */
16#define CACR_DDCM_WT 0x00000000 /* Write through cache*/
17#define CACR_DDCM_CP 0x02000000 /* Copyback cache */
18#define CACR_DDCM_P 0x04000000 /* No cache, precise */
19#define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */
20#define CACR_DCINVA 0x01000000 /* Invalidate data cache */
21#define CACR_BEC 0x00080000 /* Enable branch cache */
22#define CACR_BCINVA 0x00040000 /* Invalidate branch cache */
23#define CACR_IEC 0x00008000 /* Enable instruction cache */
24#define CACR_DNFB 0x00002000 /* Inhibited fill buffer */
25#define CACR_IDPI 0x00001000 /* Disable CPUSHL */
26#define CACR_IHLCK 0x00000800 /* Intruction cache half lock */
27#define CACR_IDCM 0x00000400 /* Intruction cache inhibit */
28#define CACR_ICINVA 0x00000100 /* Invalidate instr cache */
29#define CACR_EUSP 0x00000020 /* Enable separate user a7 */
30
31#define ACR_BASE_POS 24 /* Address Base */
32#define ACR_MASK_POS 16 /* Address Mask */
33#define ACR_ENABLE 0x00008000 /* Enable address */
34#define ACR_USER 0x00000000 /* User mode access only */
35#define ACR_SUPER 0x00002000 /* Supervisor mode only */
36#define ACR_ANY 0x00004000 /* Match any access mode */
37#define ACR_CM_WT 0x00000000 /* Write through mode */
38#define ACR_CM_CP 0x00000020 /* Copyback mode */
39#define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */
40#define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */
41#define ACR_CM 0x00000060 /* Cache mode mask */
42#define ACR_WPROTECT 0x00000004 /* Write protect */
43
44#if defined(CONFIG_M5407)
45
46#define ICACHE_SIZE 0x4000 /* instruction - 16k */
47#define DCACHE_SIZE 0x2000 /* data - 8k */
48
49#elif defined(CONFIG_M54xx)
50
51#define ICACHE_SIZE 0x8000 /* instruction - 32k */
52#define DCACHE_SIZE 0x8000 /* data - 32k */
53
54#endif
55
56#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */
57#define CACHE_WAYS 4 /* 4 ways */
58
59/*
60 * Version 4 cores have a true harvard style separate instruction
61 * and data cache. Enable data and instruction caches, also enable write
62 * buffers and branch accelerator.
63 */
64/* attention : enabling CACR_DESB requires a "nop" to flush the store buffer */
65/* use '+' instead of '|' for assembler's sake */
66
67 /* Enable data cache */
68 /* Enable data store buffer */
69 /* outside ACRs : No cache, precise */
70 /* Enable instruction+branch caches */
71#if defined(CONFIG_M5407)
72#define CACHE_MODE (CACR_DEC+CACR_DESB+CACR_DDCM_P+CACR_BEC+CACR_IEC)
73#else
74#define CACHE_MODE (CACR_DEC+CACR_DESB+CACR_DDCM_P+CACR_BEC+CACR_IEC+CACR_EUSP)
75#endif
76#if defined(CONFIG_CACHE_COPYBACK)
77#define DATA_CACHE_MODE (ACR_ENABLE+ACR_ANY+ACR_CM_CP)
78#else
79#define DATA_CACHE_MODE (ACR_ENABLE+ACR_ANY+ACR_CM_WT)
80#endif
81#define INSN_CACHE_MODE (ACR_ENABLE+ACR_ANY)
82
83#define CACHE_INIT (CACR_DCINVA+CACR_BCINVA+CACR_ICINVA)
84#define CACHE_INVALIDATE (CACHE_MODE+CACR_DCINVA+CACR_BCINVA+CACR_ICINVA)
85#define CACHE_INVALIDATEI (CACHE_MODE+CACR_BCINVA+CACR_ICINVA)
86#define CACHE_INVALIDATED (CACHE_MODE+CACR_DCINVA)
87#define ACR0_MODE (0x000f0000+DATA_CACHE_MODE)
88#define ACR1_MODE 0
89#define ACR2_MODE (0x000f0000+INSN_CACHE_MODE)
90#define ACR3_MODE 0
91
92#if ((DATA_CACHE_MODE & ACR_CM) == ACR_CM_CP)
93/* Copyback cache mode must push dirty cache lines first */
94#define CACHE_PUSH
95#endif
96
97#endif /* m54xxacr_h */
diff --git a/arch/m68k/include/asm/m548xgpt.h b/arch/m68k/include/asm/m54xxgpt.h
index 33b2eef90f0a..df75dd87ae7a 100644
--- a/arch/m68k/include/asm/m548xgpt.h
+++ b/arch/m68k/include/asm/m54xxgpt.h
@@ -1,13 +1,13 @@
1/* 1/*
2 * File: m548xgpt.h 2 * File: m54xxgpt.h
3 * Purpose: Register and bit definitions for the MCF548X 3 * Purpose: Register and bit definitions for the MCF54XX
4 * 4 *
5 * Notes: 5 * Notes:
6 * 6 *
7 */ 7 */
8 8
9#ifndef m548xgpt_h 9#ifndef m54xxgpt_h
10#define m548xgpt_h 10#define m54xxgpt_h
11 11
12/********************************************************************* 12/*********************************************************************
13* 13*
@@ -87,4 +87,4 @@
87 87
88/********************************************************************/ 88/********************************************************************/
89 89
90#endif /* m548xgpt_h */ 90#endif /* m54xxgpt_h */
diff --git a/arch/m68k/include/asm/m548xsim.h b/arch/m68k/include/asm/m54xxsim.h
index 149135ef30d2..462ae5328441 100644
--- a/arch/m68k/include/asm/m548xsim.h
+++ b/arch/m68k/include/asm/m54xxsim.h
@@ -1,11 +1,16 @@
1/* 1/*
2 * m548xsim.h -- ColdFire 547x/548x System Integration Unit support. 2 * m54xxsim.h -- ColdFire 547x/548x System Integration Unit support.
3 */ 3 */
4 4
5#ifndef m548xsim_h 5#ifndef m54xxsim_h
6#define m548xsim_h 6#define m54xxsim_h
7 7
8#define MCFINT_VECBASE 64 8#define CPU_NAME "COLDFIRE(m54xx)"
9#define CPU_INSTR_PER_JIFFY 2
10
11#include <asm/m54xxacr.h>
12
13#define MCFINT_VECBASE 64
9 14
10/* 15/*
11 * Interrupt Controller Registers 16 * Interrupt Controller Registers
@@ -22,6 +27,14 @@
22#define MCFINTC_ICR0 0x40 /* Base ICR register */ 27#define MCFINTC_ICR0 0x40 /* Base ICR register */
23 28
24/* 29/*
30 * UART module.
31 */
32#define MCFUART_BASE1 0x8600 /* Base address of UART1 */
33#define MCFUART_BASE2 0x8700 /* Base address of UART2 */
34#define MCFUART_BASE3 0x8800 /* Base address of UART3 */
35#define MCFUART_BASE4 0x8900 /* Base address of UART4 */
36
37/*
25 * Define system peripheral IRQ usage. 38 * Define system peripheral IRQ usage.
26 */ 39 */
27#define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */ 40#define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */
@@ -52,4 +65,4 @@
52#define MCF_PAR_PSC_RTS_RTS (0x30) 65#define MCF_PAR_PSC_RTS_RTS (0x30)
53#define MCF_PAR_PSC_CANRX (0x40) 66#define MCF_PAR_PSC_CANRX (0x40)
54 67
55#endif /* m548xsim_h */ 68#endif /* m54xxsim_h */
diff --git a/arch/m68k/include/asm/mcfcache.h b/arch/m68k/include/asm/mcfcache.h
deleted file mode 100644
index f49dfc09f70a..000000000000
--- a/arch/m68k/include/asm/mcfcache.h
+++ /dev/null
@@ -1,150 +0,0 @@
1/****************************************************************************/
2
3/*
4 * mcfcache.h -- ColdFire CPU cache support code
5 *
6 * (C) Copyright 2004, Greg Ungerer <gerg@snapgear.com>
7 */
8
9/****************************************************************************/
10#ifndef __M68KNOMMU_MCFCACHE_H
11#define __M68KNOMMU_MCFCACHE_H
12/****************************************************************************/
13
14
15/*
16 * The different ColdFire families have different cache arrangments.
17 * Everything from a small instruction only cache, to configurable
18 * data and/or instruction cache, to unified instruction/data, to
19 * harvard style separate instruction and data caches.
20 */
21
22#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
23/*
24 * Simple version 2 core cache. These have instruction cache only,
25 * we just need to invalidate it and enable it.
26 */
27.macro CACHE_ENABLE
28 movel #0x01000000,%d0 /* invalidate cache cmd */
29 movec %d0,%CACR /* do invalidate cache */
30 movel #0x80000100,%d0 /* setup cache mask */
31 movec %d0,%CACR /* enable cache */
32.endm
33#endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */
34
35#if defined(CONFIG_M523x) || defined(CONFIG_M527x)
36/*
37 * New version 2 cores have a configurable split cache arrangement.
38 * For now I am just enabling instruction cache - but ultimately I
39 * think a split instruction/data cache would be better.
40 */
41.macro CACHE_ENABLE
42 movel #0x01400000,%d0
43 movec %d0,%CACR /* invalidate cache */
44 nop
45 movel #0x0000c000,%d0 /* set SDRAM cached only */
46 movec %d0,%ACR0
47 movel #0x00000000,%d0 /* no other regions cached */
48 movec %d0,%ACR1
49 movel #0x80400100,%d0 /* configure cache */
50 movec %d0,%CACR /* enable cache */
51 nop
52.endm
53#endif /* CONFIG_M523x || CONFIG_M527x */
54
55#if defined(CONFIG_M528x)
56.macro CACHE_ENABLE
57 nop
58 movel #0x01000000, %d0
59 movec %d0, %CACR /* Invalidate cache */
60 nop
61 movel #0x0000c020, %d0 /* Set SDRAM cached only */
62 movec %d0, %ACR0
63 movel #0x00000000, %d0 /* No other regions cached */
64 movec %d0, %ACR1
65 movel #0x80000200, %d0 /* Setup cache mask */
66 movec %d0, %CACR /* Enable cache */
67 nop
68.endm
69#endif /* CONFIG_M528x */
70
71#if defined(CONFIG_M5249) || defined(CONFIG_M5307)
72/*
73 * The version 3 core cache. Oddly enough the version 2 core 5249
74 * has the same SDRAM and cache setup as the version 3 cores.
75 * This is a single unified instruction/data cache.
76 */
77.macro CACHE_ENABLE
78 movel #0x01000000,%d0 /* invalidate whole cache */
79 movec %d0,%CACR
80 nop
81#if defined(DEBUGGER_COMPATIBLE_CACHE) || defined(CONFIG_SECUREEDGEMP3)
82 movel #0x0000c000,%d0 /* set SDRAM cached (write-thru) */
83#else
84 movel #0x0000c020,%d0 /* set SDRAM cached (copyback) */
85#endif
86 movec %d0,%ACR0
87 movel #0x00000000,%d0 /* no other regions cached */
88 movec %d0,%ACR1
89 movel #0xa0000200,%d0 /* enable cache */
90 movec %d0,%CACR
91 nop
92.endm
93#endif /* CONFIG_M5249 || CONFIG_M5307 */
94
95#if defined(CONFIG_M532x)
96.macro CACHE_ENABLE
97 movel #0x01000000,%d0 /* invalidate cache cmd */
98 movec %d0,%CACR /* do invalidate cache */
99 nop
100 movel #0x4001C000,%d0 /* set SDRAM cached (write-thru) */
101 movec %d0,%ACR0
102 movel #0x00000000,%d0 /* no other regions cached */
103 movec %d0,%ACR1
104 movel #0x80000200,%d0 /* setup cache mask */
105 movec %d0,%CACR /* enable cache */
106 nop
107.endm
108#endif /* CONFIG_M532x */
109
110#if defined(CONFIG_M5407) || defined(CONFIG_M548x)
111/*
112 * Version 4 cores have a true harvard style separate instruction
113 * and data cache. Invalidate and enable cache, also enable write
114 * buffers and branch accelerator.
115 */
116.macro CACHE_ENABLE
117 movel #0x01040100,%d0 /* invalidate whole cache */
118 movec %d0,%CACR
119 nop
120 movel #0x000fc000,%d0 /* set SDRAM cached only */
121 movec %d0, %ACR0
122 movel #0x00000000,%d0 /* no other regions cached */
123 movec %d0, %ACR1
124 movel #0x000fc000,%d0 /* set SDRAM cached only */
125 movec %d0, %ACR2
126 movel #0x00000000,%d0 /* no other regions cached */
127 movec %d0, %ACR3
128 movel #0xb6088400,%d0 /* enable caches */
129 movec %d0,%CACR
130 nop
131.endm
132#endif /* CONFIG_M5407 */
133
134#if defined(CONFIG_M520x)
135.macro CACHE_ENABLE
136 move.l #0x01000000,%d0 /* invalidate whole cache */
137 movec %d0,%CACR
138 nop
139 move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */
140 movec %d0,%ACR0
141 move.l #0x00000000,%d0 /* no other regions cached */
142 movec %d0,%ACR1
143 move.l #0x80400000,%d0 /* enable 8K instruction cache */
144 movec %d0,%CACR
145 nop
146.endm
147#endif /* CONFIG_M520x */
148
149/****************************************************************************/
150#endif /* __M68KNOMMU_MCFCACHE_H */
diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h
index 6901fd68165b..ebd0304054ad 100644
--- a/arch/m68k/include/asm/mcfsim.h
+++ b/arch/m68k/include/asm/mcfsim.h
@@ -41,8 +41,8 @@
41#elif defined(CONFIG_M5407) 41#elif defined(CONFIG_M5407)
42#include <asm/m5407sim.h> 42#include <asm/m5407sim.h>
43#include <asm/mcfintc.h> 43#include <asm/mcfintc.h>
44#elif defined(CONFIG_M548x) 44#elif defined(CONFIG_M54xx)
45#include <asm/m548xsim.h> 45#include <asm/m54xxsim.h>
46#endif 46#endif
47 47
48/****************************************************************************/ 48/****************************************************************************/
diff --git a/arch/m68k/include/asm/mcfuart.h b/arch/m68k/include/asm/mcfuart.h
index db72e2b889ca..2abedff0a694 100644
--- a/arch/m68k/include/asm/mcfuart.h
+++ b/arch/m68k/include/asm/mcfuart.h
@@ -12,49 +12,6 @@
12#define mcfuart_h 12#define mcfuart_h
13/****************************************************************************/ 13/****************************************************************************/
14 14
15/*
16 * Define the base address of the UARTS within the MBAR address
17 * space.
18 */
19#if defined(CONFIG_M5272)
20#define MCFUART_BASE1 0x100 /* Base address of UART1 */
21#define MCFUART_BASE2 0x140 /* Base address of UART2 */
22#elif defined(CONFIG_M5206) || defined(CONFIG_M5206e)
23#if defined(CONFIG_NETtel)
24#define MCFUART_BASE1 0x180 /* Base address of UART1 */
25#define MCFUART_BASE2 0x140 /* Base address of UART2 */
26#else
27#define MCFUART_BASE1 0x140 /* Base address of UART1 */
28#define MCFUART_BASE2 0x180 /* Base address of UART2 */
29#endif
30#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
31#define MCFUART_BASE1 0x200 /* Base address of UART1 */
32#define MCFUART_BASE2 0x240 /* Base address of UART2 */
33#define MCFUART_BASE3 0x280 /* Base address of UART3 */
34#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
35#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3)
36#define MCFUART_BASE1 0x200 /* Base address of UART1 */
37#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */
38#else
39#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */
40#define MCFUART_BASE2 0x200 /* Base address of UART2 */
41#endif
42#elif defined(CONFIG_M520x)
43#define MCFUART_BASE1 0x60000 /* Base address of UART1 */
44#define MCFUART_BASE2 0x64000 /* Base address of UART2 */
45#define MCFUART_BASE3 0x68000 /* Base address of UART2 */
46#elif defined(CONFIG_M532x)
47#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */
48#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */
49#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */
50#elif defined(CONFIG_M548x)
51#define MCFUART_BASE1 0x8600 /* on M548x */
52#define MCFUART_BASE2 0x8700 /* on M548x */
53#define MCFUART_BASE3 0x8800 /* on M548x */
54#define MCFUART_BASE4 0x8900 /* on M548x */
55#endif
56
57
58#include <linux/serial_core.h> 15#include <linux/serial_core.h>
59#include <linux/platform_device.h> 16#include <linux/platform_device.h>
60 17
@@ -217,7 +174,7 @@ struct mcf_platform_uart {
217#define MCFUART_URF_RXS 0xc0 /* Receiver status */ 174#define MCFUART_URF_RXS 0xc0 /* Receiver status */
218#endif 175#endif
219 176
220#if defined(CONFIG_M548x) 177#if defined(CONFIG_M54xx)
221#define MCFUART_TXFIFOSIZE 512 178#define MCFUART_TXFIFOSIZE 512
222#elif defined(CONFIG_M5272) 179#elif defined(CONFIG_M5272)
223#define MCFUART_TXFIFOSIZE 25 180#define MCFUART_TXFIFOSIZE 25
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index 7a6a7590cc02..278c69bad57a 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -20,23 +20,26 @@
20 20
21static inline unsigned long rdusp(void) 21static inline unsigned long rdusp(void)
22{ 22{
23#ifdef CONFIG_COLDFIRE 23#ifdef CONFIG_COLDFIRE_SW_A7
24 extern unsigned int sw_usp; 24 extern unsigned int sw_usp;
25 return sw_usp; 25 return sw_usp;
26#else 26#else
27 unsigned long usp; 27 register unsigned long usp __asm__("a0");
28 __asm__ __volatile__("move %/usp,%0" : "=a" (usp)); 28 /* move %usp,%a0 */
29 __asm__ __volatile__(".word 0x4e68" : "=a" (usp));
29 return usp; 30 return usp;
30#endif 31#endif
31} 32}
32 33
33static inline void wrusp(unsigned long usp) 34static inline void wrusp(unsigned long usp)
34{ 35{
35#ifdef CONFIG_COLDFIRE 36#ifdef CONFIG_COLDFIRE_SW_A7
36 extern unsigned int sw_usp; 37 extern unsigned int sw_usp;
37 sw_usp = usp; 38 sw_usp = usp;
38#else 39#else
39 __asm__ __volatile__("move %0,%/usp" : : "a" (usp)); 40 register unsigned long a0 __asm__("a0") = usp;
41 /* move %a0,%usp */
42 __asm__ __volatile__(".word 0x4e60" : : "a" (a0) );
40#endif 43#endif
41} 44}
42 45
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