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mpc8xxx: LCRR[CLKDIV] is sometimes five bits
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1 /*
2  * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  */
12
13 #ifndef __ASM_PPC_FSL_LBC_H
14 #define __ASM_PPC_FSL_LBC_H
15
16 #include <config.h>
17
18 /* BR - Base Registers
19  */
20 #define BR0                             0x5000          /* Register offset to immr */
21 #define BR1                             0x5008
22 #define BR2                             0x5010
23 #define BR3                             0x5018
24 #define BR4                             0x5020
25 #define BR5                             0x5028
26 #define BR6                             0x5030
27 #define BR7                             0x5038
28
29 #define BR_BA                           0xFFFF8000
30 #define BR_BA_SHIFT                     15
31 #define BR_PS                           0x00001800
32 #define BR_PS_SHIFT                     11
33 #define BR_PS_8                         0x00000800      /* Port Size 8 bit */
34 #define BR_PS_16                        0x00001000      /* Port Size 16 bit */
35 #define BR_PS_32                        0x00001800      /* Port Size 32 bit */
36 #define BR_DECC                         0x00000600
37 #define BR_DECC_SHIFT                   9
38 #define BR_DECC_OFF                     0x00000000
39 #define BR_DECC_CHK                     0x00000200
40 #define BR_DECC_CHK_GEN                 0x00000400
41 #define BR_WP                           0x00000100
42 #define BR_WP_SHIFT                     8
43 #define BR_MSEL                         0x000000E0
44 #define BR_MSEL_SHIFT                   5
45 #define BR_MS_GPCM                      0x00000000      /* GPCM */
46 #define BR_MS_FCM                       0x00000020      /* FCM */
47 #ifdef CONFIG_MPC83xx
48 #define BR_MS_SDRAM                     0x00000060      /* SDRAM */
49 #elif defined(CONFIG_MPC85xx)
50 #define BR_MS_SDRAM                     0x00000000      /* SDRAM */
51 #endif
52 #define BR_MS_UPMA                      0x00000080      /* UPMA */
53 #define BR_MS_UPMB                      0x000000A0      /* UPMB */
54 #define BR_MS_UPMC                      0x000000C0      /* UPMC */
55 #if !defined(CONFIG_MPC834X)
56 #define BR_ATOM                         0x0000000C
57 #define BR_ATOM_SHIFT                   2
58 #endif
59 #define BR_V                            0x00000001
60 #define BR_V_SHIFT                      0
61
62 #define UPMA                    0
63 #define UPMB                    1
64 #define UPMC                    2
65
66 #if defined(CONFIG_MPC834X)
67 #define BR_RES                          ~(BR_BA | BR_PS | BR_DECC | BR_WP | BR_MSEL | BR_V)
68 #else
69 #define BR_RES                          ~(BR_BA | BR_PS | BR_DECC | BR_WP | BR_MSEL | BR_ATOM | BR_V)
70 #endif
71
72 /* Convert an address into the right format for the BR registers */
73 #ifdef CONFIG_PHYS_64BIT
74 #define BR_PHYS_ADDR(x) ((unsigned long)((x & 0x0ffff8000ULL) | \
75                                          ((x & 0x300000000ULL) >> 19)))
76 #else
77 #define BR_PHYS_ADDR(x) (x & 0xffff8000)
78 #endif
79
80 /* OR - Option Registers
81  */
82 #define OR0                             0x5004          /* Register offset to immr */
83 #define OR1                             0x500C
84 #define OR2                             0x5014
85 #define OR3                             0x501C
86 #define OR4                             0x5024
87 #define OR5                             0x502C
88 #define OR6                             0x5034
89 #define OR7                             0x503C
90
91 #define OR_GPCM_AM                      0xFFFF8000
92 #define OR_GPCM_AM_SHIFT                15
93 #define OR_GPCM_BCTLD                   0x00001000
94 #define OR_GPCM_BCTLD_SHIFT             12
95 #define OR_GPCM_CSNT                    0x00000800
96 #define OR_GPCM_CSNT_SHIFT              11
97 #define OR_GPCM_ACS                     0x00000600
98 #define OR_GPCM_ACS_SHIFT               9
99 #define OR_GPCM_ACS_DIV2                0x00000600
100 #define OR_GPCM_ACS_DIV4                0x00000400
101 #define OR_GPCM_XACS                    0x00000100
102 #define OR_GPCM_XACS_SHIFT              8
103 #define OR_GPCM_SCY                     0x000000F0
104 #define OR_GPCM_SCY_SHIFT               4
105 #define OR_GPCM_SCY_1                   0x00000010
106 #define OR_GPCM_SCY_2                   0x00000020
107 #define OR_GPCM_SCY_3                   0x00000030
108 #define OR_GPCM_SCY_4                   0x00000040
109 #define OR_GPCM_SCY_5                   0x00000050
110 #define OR_GPCM_SCY_6                   0x00000060
111 #define OR_GPCM_SCY_7                   0x00000070
112 #define OR_GPCM_SCY_8                   0x00000080
113 #define OR_GPCM_SCY_9                   0x00000090
114 #define OR_GPCM_SCY_10                  0x000000a0
115 #define OR_GPCM_SCY_11                  0x000000b0
116 #define OR_GPCM_SCY_12                  0x000000c0
117 #define OR_GPCM_SCY_13                  0x000000d0
118 #define OR_GPCM_SCY_14                  0x000000e0
119 #define OR_GPCM_SCY_15                  0x000000f0
120 #define OR_GPCM_SETA                    0x00000008
121 #define OR_GPCM_SETA_SHIFT              3
122 #define OR_GPCM_TRLX                    0x00000004
123 #define OR_GPCM_TRLX_SHIFT              2
124 #define OR_GPCM_EHTR                    0x00000002
125 #define OR_GPCM_EHTR_SHIFT              1
126 #define OR_GPCM_EAD                     0x00000001
127 #define OR_GPCM_EAD_SHIFT               0
128
129 /* helpers to convert values into an OR address mask (GPCM mode) */
130 #define P2SZ_TO_AM(s)   ((~((s) - 1)) & 0xffff8000)     /* must be pow of 2 */
131 #define MEG_TO_AM(m)    P2SZ_TO_AM((m) << 20)
132
133 #define OR_FCM_AM                       0xFFFF8000
134 #define OR_FCM_AM_SHIFT                         15
135 #define OR_FCM_BCTLD                    0x00001000
136 #define OR_FCM_BCTLD_SHIFT                      12
137 #define OR_FCM_PGS                      0x00000400
138 #define OR_FCM_PGS_SHIFT                        10
139 #define OR_FCM_CSCT                     0x00000200
140 #define OR_FCM_CSCT_SHIFT                        9
141 #define OR_FCM_CST                      0x00000100
142 #define OR_FCM_CST_SHIFT                         8
143 #define OR_FCM_CHT                      0x00000080
144 #define OR_FCM_CHT_SHIFT                         7
145 #define OR_FCM_SCY                      0x00000070
146 #define OR_FCM_SCY_SHIFT                         4
147 #define OR_FCM_SCY_1                    0x00000010
148 #define OR_FCM_SCY_2                    0x00000020
149 #define OR_FCM_SCY_3                    0x00000030
150 #define OR_FCM_SCY_4                    0x00000040
151 #define OR_FCM_SCY_5                    0x00000050
152 #define OR_FCM_SCY_6                    0x00000060
153 #define OR_FCM_SCY_7                    0x00000070
154 #define OR_FCM_RST                      0x00000008
155 #define OR_FCM_RST_SHIFT                         3
156 #define OR_FCM_TRLX                     0x00000004
157 #define OR_FCM_TRLX_SHIFT                        2
158 #define OR_FCM_EHTR                     0x00000002
159 #define OR_FCM_EHTR_SHIFT                        1
160
161 #define OR_UPM_AM                       0xFFFF8000
162 #define OR_UPM_AM_SHIFT                 15
163 #define OR_UPM_XAM                      0x00006000
164 #define OR_UPM_XAM_SHIFT                13
165 #define OR_UPM_BCTLD                    0x00001000
166 #define OR_UPM_BCTLD_SHIFT              12
167 #define OR_UPM_BI                       0x00000100
168 #define OR_UPM_BI_SHIFT                 8
169 #define OR_UPM_TRLX                     0x00000004
170 #define OR_UPM_TRLX_SHIFT               2
171 #define OR_UPM_EHTR                     0x00000002
172 #define OR_UPM_EHTR_SHIFT               1
173 #define OR_UPM_EAD                      0x00000001
174 #define OR_UPM_EAD_SHIFT                0
175
176 #define OR_SDRAM_AM                     0xFFFF8000
177 #define OR_SDRAM_AM_SHIFT               15
178 #define OR_SDRAM_XAM                    0x00006000
179 #define OR_SDRAM_XAM_SHIFT              13
180 #define OR_SDRAM_COLS                   0x00001C00
181 #define OR_SDRAM_COLS_SHIFT             10
182 #define OR_SDRAM_ROWS                   0x000001C0
183 #define OR_SDRAM_ROWS_SHIFT             6
184 #define OR_SDRAM_PMSEL                  0x00000020
185 #define OR_SDRAM_PMSEL_SHIFT            5
186 #define OR_SDRAM_EAD                    0x00000001
187 #define OR_SDRAM_EAD_SHIFT              0
188
189 #define OR_AM_32KB                      0xFFFF8000
190 #define OR_AM_64KB                      0xFFFF0000
191 #define OR_AM_128KB                     0xFFFE0000
192 #define OR_AM_256KB                     0xFFFC0000
193 #define OR_AM_512KB                     0xFFF80000
194 #define OR_AM_1MB                       0xFFF00000
195 #define OR_AM_2MB                       0xFFE00000
196 #define OR_AM_4MB                       0xFFC00000
197 #define OR_AM_8MB                       0xFF800000
198 #define OR_AM_16MB                      0xFF000000
199 #define OR_AM_32MB                      0xFE000000
200 #define OR_AM_64MB                      0xFC000000
201 #define OR_AM_128MB                     0xF8000000
202 #define OR_AM_256MB                     0xF0000000
203 #define OR_AM_512MB                     0xE0000000
204 #define OR_AM_1GB                       0xC0000000
205 #define OR_AM_2GB                       0x80000000
206 #define OR_AM_4GB                       0x00000000
207
208 /* MxMR - UPM Machine A/B/C Mode Registers
209  */
210 #define MxMR_MAD_MSK            0x0000003f /* Machine Address Mask         */
211 #define MxMR_TLFx_MSK           0x000003c0 /* Refresh Loop Field Mask      */
212 #define MxMR_WLFx_MSK           0x00003c00 /* Write Loop Field Mask        */
213 #define MxMR_WLFx_1X            0x00000400 /*   executed 1 time            */
214 #define MxMR_WLFx_2X            0x00000800 /*   executed 2 times           */
215 #define MxMR_WLFx_3X            0x00000c00 /*   executed 3 times           */
216 #define MxMR_WLFx_4X            0x00001000 /*   executed 4 times           */
217 #define MxMR_WLFx_5X            0x00001400 /*   executed 5 times           */
218 #define MxMR_WLFx_6X            0x00001800 /*   executed 6 times           */
219 #define MxMR_WLFx_7X            0x00001c00 /*   executed 7 times           */
220 #define MxMR_WLFx_8X            0x00002000 /*   executed 8 times           */
221 #define MxMR_WLFx_9X            0x00002400 /*   executed 9 times           */
222 #define MxMR_WLFx_10X           0x00002800 /*   executed 10 times          */
223 #define MxMR_WLFx_11X           0x00002c00 /*   executed 11 times          */
224 #define MxMR_WLFx_12X           0x00003000 /*   executed 12 times          */
225 #define MxMR_WLFx_13X           0x00003400 /*   executed 13 times          */
226 #define MxMR_WLFx_14X           0x00003800 /*   executed 14 times          */
227 #define MxMR_WLFx_15X           0x00003c00 /*   executed 15 times          */
228 #define MxMR_WLFx_16X           0x00000000 /*   executed 16 times          */
229 #define MxMR_RLFx_MSK           0x0003c000 /* Read Loop Field Mask         */
230 #define MxMR_GPL_x4DIS          0x00040000 /* GPL_A4 Ouput Line Disable    */
231 #define MxMR_G0CLx_MSK          0x00380000 /* General Line 0 Control Mask  */
232 #define MxMR_DSx_1_CYCL         0x00000000 /* 1 cycle Disable Period       */
233 #define MxMR_DSx_2_CYCL         0x00400000 /* 2 cycle Disable Period       */
234 #define MxMR_DSx_3_CYCL         0x00800000 /* 3 cycle Disable Period       */
235 #define MxMR_DSx_4_CYCL         0x00c00000 /* 4 cycle Disable Period       */
236 #define MxMR_DSx_MSK            0x00c00000 /* Disable Timer Period Mask    */
237 #define MxMR_AMx_MSK            0x07000000 /* Addess Multiplex Size Mask   */
238 #define MxMR_OP_NORM            0x00000000 /* Normal Operation             */
239 #define MxMR_OP_WARR            0x10000000 /* Write to Array               */
240 #define MxMR_OP_RARR            0x20000000 /* Read from Array              */
241 #define MxMR_OP_RUNP            0x30000000 /* Run Pattern                  */
242 #define MxMR_OP_MSK             0x30000000 /* Command Opcode Mask          */
243 #define MxMR_RFEN               0x40000000 /* Refresh Enable               */
244 #define MxMR_BSEL               0x80000000 /* Bus Select                   */
245
246 #define LBLAWAR_EN                      0x80000000
247 #define LBLAWAR_4KB                     0x0000000B
248 #define LBLAWAR_8KB                     0x0000000C
249 #define LBLAWAR_16KB                    0x0000000D
250 #define LBLAWAR_32KB                    0x0000000E
251 #define LBLAWAR_64KB                    0x0000000F
252 #define LBLAWAR_128KB                   0x00000010
253 #define LBLAWAR_256KB                   0x00000011
254 #define LBLAWAR_512KB                   0x00000012
255 #define LBLAWAR_1MB                     0x00000013
256 #define LBLAWAR_2MB                     0x00000014
257 #define LBLAWAR_4MB                     0x00000015
258 #define LBLAWAR_8MB                     0x00000016
259 #define LBLAWAR_16MB                    0x00000017
260 #define LBLAWAR_32MB                    0x00000018
261 #define LBLAWAR_64MB                    0x00000019
262 #define LBLAWAR_128MB                   0x0000001A
263 #define LBLAWAR_256MB                   0x0000001B
264 #define LBLAWAR_512MB                   0x0000001C
265 #define LBLAWAR_1GB                     0x0000001D
266 #define LBLAWAR_2GB                     0x0000001E
267
268 /* LBCR - Local Bus Configuration Register
269  */
270 #define LBCR_LDIS                       0x80000000
271 #define LBCR_LDIS_SHIFT                 31
272 #define LBCR_BCTLC                      0x00C00000
273 #define LBCR_BCTLC_SHIFT                22
274 #define LBCR_LPBSE                      0x00020000
275 #define LBCR_LPBSE_SHIFT                17
276 #define LBCR_EPAR                       0x00010000
277 #define LBCR_EPAR_SHIFT                 16
278 #define LBCR_BMT                        0x0000FF00
279 #define LBCR_BMT_SHIFT                  8
280
281 /* LCRR - Clock Ratio Register
282  */
283 #define LCRR_DBYP                       0x80000000
284 #define LCRR_DBYP_SHIFT                 31
285 #define LCRR_BUFCMDC                    0x30000000
286 #define LCRR_BUFCMDC_SHIFT              28
287 #define LCRR_BUFCMDC_1                  0x10000000
288 #define LCRR_BUFCMDC_2                  0x20000000
289 #define LCRR_BUFCMDC_3                  0x30000000
290 #define LCRR_BUFCMDC_4                  0x00000000
291 #define LCRR_ECL                        0x03000000
292 #define LCRR_ECL_SHIFT                  24
293 #define LCRR_ECL_4                      0x00000000
294 #define LCRR_ECL_5                      0x01000000
295 #define LCRR_ECL_6                      0x02000000
296 #define LCRR_ECL_7                      0x03000000
297 #define LCRR_EADC                       0x00030000
298 #define LCRR_EADC_SHIFT                 16
299 #define LCRR_EADC_1                     0x00010000
300 #define LCRR_EADC_2                     0x00020000
301 #define LCRR_EADC_3                     0x00030000
302 #define LCRR_EADC_4                     0x00000000
303 /* CLKDIV is five bits only on 8536, 8572, and 8610, so far, but the fifth bit
304  * should always be zero on older parts that have a four bit CLKDIV.
305  */
306 #define LCRR_CLKDIV                     0x0000001F
307 #define LCRR_CLKDIV_SHIFT               0
308 #define LCRR_CLKDIV_2                   0x00000002
309 #define LCRR_CLKDIV_4                   0x00000004
310 #define LCRR_CLKDIV_8                   0x00000008
311
312 /* LTEDR - Transfer Error Check Disable Register
313  */
314 #define LTEDR_BMD       0x80000000 /* Bus monitor disable                               */
315 #define LTEDR_PARD      0x20000000 /* Parity error checking disabled                    */
316 #define LTEDR_WPD       0x04000000 /* Write protect error checking diable               */
317 #define LTEDR_WARA      0x00800000 /* Write-after-read-atomic error checking diable     */
318 #define LTEDR_RAWA      0x00400000 /* Read-after-write-atomic error checking disable    */
319 #define LTEDR_CSD       0x00080000 /* Chip select error checking disable                */
320
321 /* FMR - Flash Mode Register
322  */
323 #define FMR_CWTO               0x0000F000
324 #define FMR_CWTO_SHIFT         12
325 #define FMR_BOOT               0x00000800
326 #define FMR_ECCM               0x00000100
327 #define FMR_AL                 0x00000030
328 #define FMR_AL_SHIFT           4
329 #define FMR_OP                 0x00000003
330 #define FMR_OP_SHIFT           0
331
332 /* FIR - Flash Instruction Register
333  */
334 #define FIR_OP0                        0xF0000000
335 #define FIR_OP0_SHIFT          28
336 #define FIR_OP1                        0x0F000000
337 #define FIR_OP1_SHIFT          24
338 #define FIR_OP2                        0x00F00000
339 #define FIR_OP2_SHIFT          20
340 #define FIR_OP3                        0x000F0000
341 #define FIR_OP3_SHIFT          16
342 #define FIR_OP4                        0x0000F000
343 #define FIR_OP4_SHIFT          12
344 #define FIR_OP5                        0x00000F00
345 #define FIR_OP5_SHIFT          8
346 #define FIR_OP6                        0x000000F0
347 #define FIR_OP6_SHIFT          4
348 #define FIR_OP7                        0x0000000F
349 #define FIR_OP7_SHIFT          0
350 #define FIR_OP_NOP             0x0 /* No operation and end of sequence */
351 #define FIR_OP_CA              0x1 /* Issue current column address */
352 #define FIR_OP_PA              0x2 /* Issue current block+page address */
353 #define FIR_OP_UA              0x3 /* Issue user defined address */
354 #define FIR_OP_CM0             0x4 /* Issue command from FCR[CMD0] */
355 #define FIR_OP_CM1             0x5 /* Issue command from FCR[CMD1] */
356 #define FIR_OP_CM2             0x6 /* Issue command from FCR[CMD2] */
357 #define FIR_OP_CM3             0x7 /* Issue command from FCR[CMD3] */
358 #define FIR_OP_WB              0x8 /* Write FBCR bytes from FCM buffer */
359 #define FIR_OP_WS              0x9 /* Write 1 or 2 bytes from MDR[AS] */
360 #define FIR_OP_RB              0xA /* Read FBCR bytes to FCM buffer */
361 #define FIR_OP_RS              0xB /* Read 1 or 2 bytes to MDR[AS] */
362 #define FIR_OP_CW0             0xC /* Wait then issue FCR[CMD0] */
363 #define FIR_OP_CW1             0xD /* Wait then issue FCR[CMD1] */
364 #define FIR_OP_RBW             0xE /* Wait then read FBCR bytes */
365 #define FIR_OP_RSW             0xF /* Wait then read 1 or 2 bytes */
366
367 /* FCR - Flash Command Register
368  */
369 #define FCR_CMD0               0xFF000000
370 #define FCR_CMD0_SHIFT         24
371 #define FCR_CMD1               0x00FF0000
372 #define FCR_CMD1_SHIFT         16
373 #define FCR_CMD2               0x0000FF00
374 #define FCR_CMD2_SHIFT         8
375 #define FCR_CMD3               0x000000FF
376 #define FCR_CMD3_SHIFT         0
377 /* FBAR - Flash Block Address Register
378  */
379 #define FBAR_BLK               0x00FFFFFF
380
381 /* FPAR - Flash Page Address Register
382  */
383 #define FPAR_SP_PI             0x00007C00
384 #define FPAR_SP_PI_SHIFT       10
385 #define FPAR_SP_MS             0x00000200
386 #define FPAR_SP_CI             0x000001FF
387 #define FPAR_SP_CI_SHIFT       0
388 #define FPAR_LP_PI             0x0003F000
389 #define FPAR_LP_PI_SHIFT       12
390 #define FPAR_LP_MS             0x00000800
391 #define FPAR_LP_CI             0x000007FF
392 #define FPAR_LP_CI_SHIFT       0
393
394 /* LTESR - Transfer Error Status Register
395  */
396 #define LTESR_BM               0x80000000
397 #define LTESR_FCT              0x40000000
398 #define LTESR_PAR              0x20000000
399 #define LTESR_WP               0x04000000
400 #define LTESR_ATMW             0x00800000
401 #define LTESR_ATMR             0x00400000
402 #define LTESR_CS               0x00080000
403 #define LTESR_CC               0x00000001
404
405 #ifndef __ASSEMBLY__
406 /*
407  * Local Bus Controller Registers.
408  */
409 typedef struct lbus_bank {
410         u32 br;                 /* Base Register */
411         u32 or;                 /* Option Register */
412 } lbus_bank_t;
413
414 typedef struct fsl_lbus {
415         lbus_bank_t bank[8];
416         u8 res0[0x28];
417         u32 mar;                /* UPM Address Register */
418         u8 res1[0x4];
419         u32 mamr;               /* UPMA Mode Register */
420         u32 mbmr;               /* UPMB Mode Register */
421         u32 mcmr;               /* UPMC Mode Register */
422         u8 res2[0x8];
423         u32 mrtpr;              /* Memory Refresh Timer Prescaler Register */
424         u32 mdr;                /* UPM Data Register */
425         u8 res3[0x4];
426         u32 lsor;               /* Special Operation Initiation Register */
427         u32 lsdmr;              /* SDRAM Mode Register */
428         u8 res4[0x8];
429         u32 lurt;               /* UPM Refresh Timer */
430         u32 lsrt;               /* SDRAM Refresh Timer */
431         u8 res5[0x8];
432         u32 ltesr;              /* Transfer Error Status Register */
433         u32 ltedr;              /* Transfer Error Disable Register */
434         u32 lteir;              /* Transfer Error Interrupt Register */
435         u32 lteatr;             /* Transfer Error Attributes Register */
436         u32 ltear;               /* Transfer Error Address Register */
437         u8 res6[0xC];
438         u32 lbcr;               /* Configuration Register */
439         u32 lcrr;               /* Clock Ratio Register */
440         u8 res7[0x8];
441         u32 fmr;                /* Flash Mode Register */
442         u32 fir;                /* Flash Instruction Register */
443         u32 fcr;                /* Flash Command Register */
444         u32 fbar;               /* Flash Block Addr Register */
445         u32 fpar;               /* Flash Page Addr Register */
446         u32 fbcr;               /* Flash Byte Count Register */
447         u8 res8[0xF08];
448 } fsl_lbus_t;
449 #endif /* __ASSEMBLY__ */
450
451 #endif /* __ASM_PPC_FSL_LBC_H */