3 * Purpose: Definitions common to all ColdFire processors
7 * License: All software covered by license agreement in -
8 * docs/Freescale_Software_License.pdf
11 #ifndef _CPU_MCF5XXX_H
12 #define _CPU_MCF5XXX_H
14 /***********************************************************************/
43 /***********************************************************************/
45 * The basic data types
47 typedef unsigned char uint8; /* 8 bits */
48 typedef unsigned short int uint16; /* 16 bits */
49 typedef unsigned long int uint32; /* 32 bits */
51 typedef char int8; /* 8 bits */
52 typedef short int int16; /* 16 bits */
53 typedef int int32; /* 32 bits */
55 typedef volatile int8 vint8; /* 8 bits */
56 typedef volatile int16 vint16; /* 16 bits */
57 typedef volatile int32 vint32; /* 32 bits */
59 typedef volatile uint8 vuint8; /* 8 bits */
60 typedef volatile uint16 vuint16; /* 16 bits */
61 typedef volatile uint32 vuint32; /* 32 bits */
63 /***********************************************************************/
65 * Common M68K & ColdFire definitions
67 #define ADDRESS uint32
68 #define INSTRUCTION uint16
69 #define ILLEGAL 0x4AFC
70 #define CPU_WORD_SIZE 16
73 #define MCF5XXX_SR_T (0x8000)
74 #define MCF5XXX_SR_S (0x2000)
75 #define MCF5XXX_SR_M (0x1000)
76 #define MCF5XXX_SR_IPL (0x0700)
77 #define MCF5XXX_SR_IPL_0 (0x0000)
78 #define MCF5XXX_SR_IPL_1 (0x0100)
79 #define MCF5XXX_SR_IPL_2 (0x0200)
80 #define MCF5XXX_SR_IPL_3 (0x0300)
81 #define MCF5XXX_SR_IPL_4 (0x0400)
82 #define MCF5XXX_SR_IPL_5 (0x0500)
83 #define MCF5XXX_SR_IPL_6 (0x0600)
84 #define MCF5XXX_SR_IPL_7 (0x0700)
85 #define MCF5XXX_SR_X (0x0010)
86 #define MCF5XXX_SR_N (0x0008)
87 #define MCF5XXX_SR_Z (0x0004)
88 #define MCF5XXX_SR_V (0x0002)
89 #define MCF5XXX_SR_C (0x0001)
91 /* Cache Control Register */
92 #define MCF5XXX_CACR_CENB (0x80000000)
93 #define MCF5XXX_CACR_DEC (0x80000000)
94 #define MCF5XXX_CACR_DW (0x40000000)
95 #define MCF5XXX_CACR_DESB (0x20000000)
96 #define MCF5XXX_CACR_CPDI (0x10000000)
97 #define MCF5XXX_CACR_DDPI (0x10000000)
98 #define MCF5XXX_CACR_CPD (0x10000000)
99 #define MCF5XXX_CACR_CFRZ (0x08000000)
100 #define MCF5XXX_CACR_DHLCK (0x08000000)
101 #define MCF5XXX_CACR_DDCM_WT (0x00000000)
102 #define MCF5XXX_CACR_DDCM_CB (0x02000000)
103 #define MCF5XXX_CACR_DDCM_IP (0x04000000)
104 #define MCF5XXX_CACR_DDCM_II (0x06000000)
105 #define MCF5XXX_CACR_CINV (0x01000000)
106 #define MCF5XXX_CACR_DCINVA (0x01000000)
107 #define MCF5XXX_CACR_DIDI (0x00800000)
108 #define MCF5XXX_CACR_DDSP (0x00800000)
109 #define MCF5XXX_CACR_DISD (0x00400000)
110 #define MCF5XXX_CACR_INVI (0x00200000)
111 #define MCF5XXX_CACR_INVD (0x00100000)
112 #define MCF5XXX_CACR_BEC (0x00080000)
113 #define MCF5XXX_CACR_BCINVA (0x00040000)
114 #define MCF5XXX_CACR_IEC (0x00008000)
115 #define MCF5XXX_CACR_DNFB (0x00002000)
116 #define MCF5XXX_CACR_IDPI (0x00001000)
117 #define MCF5XXX_CACR_IHLCK (0x00000800)
118 #define MCF5XXX_CACR_CEIB (0x00000400)
119 #define MCF5XXX_CACR_IDCM (0x00000400)
120 #define MCF5XXX_CACR_DCM_WR (0x00000000)
121 #define MCF5XXX_CACR_DCM_CB (0x00000100)
122 #define MCF5XXX_CACR_DCM_IP (0x00000200)
123 #define MCF5XXX_CACR_DCM (0x00000200)
124 #define MCF5XXX_CACR_DCM_II (0x00000300)
125 #define MCF5XXX_CACR_DBWE (0x00000100)
126 #define MCF5XXX_CACR_ICINVA (0x00000100)
127 #define MCF5XXX_CACR_IDSP (0x00000080)
128 #define MCF5XXX_CACR_DWP (0x00000020)
129 #define MCF5XXX_CACR_EUSP (0x00000020)
130 #define MCF5XXX_CACR_EUST (0x00000020)
131 #define MCF5XXX_CACR_DF (0x00000010)
132 #define MCF5XXX_CACR_CLNF_00 (0x00000000)
133 #define MCF5XXX_CACR_CLNF_01 (0x00000002)
134 #define MCF5XXX_CACR_CLNF_10 (0x00000004)
135 #define MCF5XXX_CACR_CLNF_11 (0x00000006)
137 /* Access Control Register */
138 #define MCF5XXX_ACR_AB(a) ((a)&0xFF000000)
139 #define MCF5XXX_ACR_AM(a) (((a)&0xFF000000) >> 8)
140 #define MCF5XXX_ACR_AM_4G (0x00FF0000)
141 #define MCF5XXX_ACR_AM_2G (0x007F0000)
142 #define MCF5XXX_ACR_AM_1G (0x003F0000)
143 #define MCF5XXX_ACR_AM_1024M (0x003F0000)
144 #define MCF5XXX_ACR_AM_512M (0x001F0000)
145 #define MCF5XXX_ACR_AM_256M (0x000F0000)
146 #define MCF5XXX_ACR_AM_128M (0x00070000)
147 #define MCF5XXX_ACR_AM_64M (0x00030000)
148 #define MCF5XXX_ACR_AM_32M (0x00010000)
149 #define MCF5XXX_ACR_AM_16M (0x00000000)
150 #define MCF5XXX_ACR_EN (0x00008000)
151 #define MCF5XXX_ACR_SM_USER (0x00000000)
152 #define MCF5XXX_ACR_SM_SUPER (0x00002000)
153 #define MCF5XXX_ACR_SM_IGNORE (0x00006000)
154 #define MCF5XXX_ACR_ENIB (0x00000080)
155 #define MCF5XXX_ACR_CM (0x00000040)
156 #define MCF5XXX_ACR_DCM_WR (0x00000000)
157 #define MCF5XXX_ACR_DCM_CB (0x00000020)
158 #define MCF5XXX_ACR_DCM_IP (0x00000040)
159 #define MCF5XXX_ACR_DCM_II (0x00000060)
160 #define MCF5XXX_ACR_CM (0x00000040)
161 #define MCF5XXX_ACR_BWE (0x00000020)
162 #define MCF5XXX_ACR_WP (0x00000004)
164 /* RAM Base Address Register */
165 #define MCF5XXX_RAMBAR_BA(a) ((a)&0xFFFFC000)
166 #define MCF5XXX_RAMBAR_PRI_00 (0x00000000)
167 #define MCF5XXX_RAMBAR_PRI_01 (0x00004000)
168 #define MCF5XXX_RAMBAR_PRI_10 (0x00008000)
169 #define MCF5XXX_RAMBAR_PRI_11 (0x0000C000)
170 #define MCF5XXX_RAMBAR_WP (0x00000100)
171 #define MCF5XXX_RAMBAR_CI (0x00000020)
172 #define MCF5XXX_RAMBAR_SC (0x00000010)
173 #define MCF5XXX_RAMBAR_SD (0x00000008)
174 #define MCF5XXX_RAMBAR_UC (0x00000004)
175 #define MCF5XXX_RAMBAR_UD (0x00000002)
176 #define MCF5XXX_RAMBAR_V (0x00000001)
178 /* Read macros for D0/D1 reset values */
179 #define MCF5XXX_D0_PF(x) (((x)&0xFF000000)>>24)
180 #define MCF5XXX_D0_VER(x) (((x)&0x00F00000)>>20)
181 #define MCF5XXX_D0_REV(x) (((x)&0x000F0000)>>16)
182 #define MCF5XXX_D0_MAC(x) ((x)&0x00008000)
183 #define MCF5XXX_D0_DIV(x) ((x)&0x00004000)
184 #define MCF5XXX_D0_EMAC(x) ((x)&0x00002000)
185 #define MCF5XXX_D0_FPU(x) ((x)&0x00001000)
186 #define MCF5XXX_D0_MMU(x) ((x)&0x00000800)
187 #define MCF5XXX_D0_ISA(x) (((x)&0x000000F0)>>4)
188 #define MCF5XXX_D0_DEBUG(x) (((x)&0x0000000F)>>0)
189 #define MCF5XXX_D1_CL(x) (((x)&0xC0000000)>>30)
190 #define MCF5XXX_D1_ICA(x) (((x)&0x30000000)>>28)
191 #define MCF5XXX_D1_ICSIZ(x) (((x)&0x0F000000)>>24)
192 #define MCF5XXX_D1_RAM0SIZ(x) (((x)&0x00F00000)>>20)
193 #define MCF5XXX_D1_ROM0SIZ(x) (((x)&0x000F0000)>>16)
194 #define MCF5XXX_D1_BUSW(x) (((x)&0x0000C000)>>14)
195 #define MCF5XXX_D1_DCA(x) (((x)&0x00003000)>>12)
196 #define MCF5XXX_D1_DCSIZ(x) (((x)&0x00000F00)>>8)
197 #define MCF5XXX_D1_RAM1SIZ(x) (((x)&0x000000F0)>>4)
198 #define MCF5XXX_D1_ROM1SIZ(x) (((x)&0x0000000F)>>0)
200 /***********************************************************************/
202 * The ColdFire family of processors has a simplified exception stack
203 * frame that looks like the following:
205 * 3322222222221111 111111
206 * 1098765432109876 5432109876543210
207 * 8 +----------------+----------------+
208 * | Program Counter |
209 * 4 +----------------+----------------+
210 * |FS/Fmt/Vector/FS| SR |
211 * SP --> 0 +----------------+----------------+
213 * The stack self-aligns to a 4-byte boundary at an exception, with
214 * the FS/Fmt/Vector/FS field indicating the size of the adjustment
215 * (SP += 0,1,2,3 bytes).
217 #define MCF5XXX_RD_SF_FORMAT(PTR) \
218 ((*((uint16 *)(PTR)) >> 12) & 0x00FF)
220 #define MCF5XXX_RD_SF_VECTOR(PTR) \
221 ((*((uint16 *)(PTR)) >> 2) & 0x00FF)
223 #define MCF5XXX_RD_SF_FS(PTR) \
224 ( ((*((uint16 *)(PTR)) & 0x0C00) >> 8) | (*((uint16 *)(PTR)) & 0x0003) )
226 #define MCF5XXX_SF_SR(PTR) *((uint16 *)(PTR)+1)
227 #define MCF5XXX_SF_PC(PTR) *((uint32 *)(PTR)+1)
229 /********************************************************************/
231 * Functions provided in mcf5xxx.s
233 int asm_set_ipl (uint32);
234 void mcf5xxx_exe_wdebug (void *);
235 void mcf5xxx_wr_sr (uint32);
236 void mcf5xxx_wr_cacr (uint32);
237 void mcf5xxx_wr_asid (uint32);
238 void mcf5xxx_wr_acr0 (uint32);
239 void mcf5xxx_wr_acr1 (uint32);
240 void mcf5xxx_wr_acr2 (uint32);
241 void mcf5xxx_wr_acr3 (uint32);
242 void mcf5xxx_wr_mmubar (uint32);
243 void mcf5xxx_wr_other_a7 (uint32);
244 void mcf5xxx_wr_other_sp (uint32);
245 void mcf5xxx_wr_vbr (uint32);
246 void mcf5xxx_wr_macsr (uint32);
247 void mcf5xxx_wr_mask (uint32);
248 void mcf5xxx_wr_acc0 (uint32);
249 void mcf5xxx_wr_accext01 (uint32);
250 void mcf5xxx_wr_accext23 (uint32);
251 void mcf5xxx_wr_acc1 (uint32);
252 void mcf5xxx_wr_acc2 (uint32);
253 void mcf5xxx_wr_acc3 (uint32);
254 void mcf5xxx_wr_pc (uint32);
255 void mcf5xxx_wr_rombar0 (uint32);
256 void mcf5xxx_wr_rombar1 (uint32);
257 void mcf5xxx_wr_rambar0 (uint32);
258 void mcf5xxx_wr_rambar1 (uint32);
259 void mcf5xxx_wr_mpcr (uint32);
260 void mcf5xxx_wr_secmbar (uint32);
261 void mcf5xxx_wr_mbar1 (uint32);
262 void mcf5xxx_wr_mbar (uint32);
263 void mcf5xxx_wr_mbar0 (uint32);
264 void mcf5xxx_move_line (ADDRESS, ADDRESS);
267 * Functions provided in mcf5xxx.c
269 void mcf5xxx_exception_handler (void *);
270 void mcf5xxx_interpret_d0d1 (int, int);
271 void mcf5xxx_irq_enable (void);
272 void mcf5xxx_irq_disable (void);
273 ADDRESS mcf5xxx_set_handler (int, ADDRESS);
276 * Functions provided by processor specific C file
278 void cpu_handle_interrupt (int);
280 /********************************************************************/
282 #endif /* _CPU_MCF5XXX_H */