vserver 2.0 rc7
[linux-2.6.git] / include / asm-ppc / mpc52xx.h
1 /*
2  * include/asm-ppc/mpc52xx.h
3  * 
4  * Prototypes, etc. for the Freescale MPC52xx embedded cpu chips
5  * May need to be cleaned as the port goes on ...
6  *
7  *
8  * Maintainer : Sylvain Munaut <tnt@246tNt.com>
9  *
10  * Originally written by Dale Farnsworth <dfarnsworth@mvista.com> 
11  * for the 2.4 kernel.
12  *
13  * Copyright (C) 2004-2005 Sylvain Munaut <tnt@246tNt.com>
14  * Copyright (C) 2003 MontaVista, Software, Inc.
15  *
16  * This file is licensed under the terms of the GNU General Public License
17  * version 2. This program is licensed "as is" without any warranty of any
18  * kind, whether express or implied.
19  */
20
21 #ifndef __ASM_MPC52xx_H__
22 #define __ASM_MPC52xx_H__
23
24 #ifndef __ASSEMBLY__
25 #include <asm/ppcboot.h>
26 #include <asm/types.h>
27
28 struct pt_regs;
29 #endif /* __ASSEMBLY__ */
30
31
32 /* ======================================================================== */
33 /* PPC Sys devices definition                                               */
34 /* ======================================================================== */
35
36 enum ppc_sys_devices {
37         MPC52xx_MSCAN1,
38         MPC52xx_MSCAN2,
39         MPC52xx_SPI,
40         MPC52xx_USB,
41         MPC52xx_BDLC,
42         MPC52xx_PSC1,
43         MPC52xx_PSC2,
44         MPC52xx_PSC3,
45         MPC52xx_PSC4,
46         MPC52xx_PSC5,
47         MPC52xx_PSC6,
48         MPC52xx_FEC,
49         MPC52xx_ATA,
50         MPC52xx_I2C1,
51         MPC52xx_I2C2,
52 };
53
54
55 /* ======================================================================== */
56 /* Main registers/struct addresses                                          */
57 /* ======================================================================== */
58
59 /* MBAR position */
60 #define MPC52xx_MBAR            0xf0000000      /* Phys address */
61 #define MPC52xx_MBAR_VIRT       0xf0000000      /* Virt address */
62 #define MPC52xx_MBAR_SIZE       0x00010000
63
64 #define MPC52xx_PA(x)           ((phys_addr_t)(MPC52xx_MBAR + (x)))
65 #define MPC52xx_VA(x)           ((void __iomem *)(MPC52xx_MBAR_VIRT + (x)))
66
67 /* Registers zone offset/size  */
68 #define MPC52xx_MMAP_CTL_OFFSET         0x0000
69 #define MPC52xx_MMAP_CTL_SIZE           0x068
70 #define MPC52xx_SDRAM_OFFSET            0x0100
71 #define MPC52xx_SDRAM_SIZE              0x010
72 #define MPC52xx_CDM_OFFSET              0x0200
73 #define MPC52xx_CDM_SIZE                0x038
74 #define MPC52xx_INTR_OFFSET             0x0500
75 #define MPC52xx_INTR_SIZE               0x04c
76 #define MPC52xx_GPTx_OFFSET(x)          (0x0600 + ((x)<<4))
77 #define MPC52xx_GPT_SIZE                0x010
78 #define MPC52xx_RTC_OFFSET              0x0800
79 #define MPC52xx_RTC_SIZE                0x024
80 #define MPC52xx_GPIO_OFFSET             0x0b00
81 #define MPC52xx_GPIO_SIZE               0x040
82 #define MPC52xx_GPIO_WKUP_OFFSET        0x0c00
83 #define MPC52xx_GPIO_WKUP_SIZE          0x028
84 #define MPC52xx_PCI_OFFSET              0x0d00
85 #define MPC52xx_PCI_SIZE                0x100
86 #define MPC52xx_SDMA_OFFSET             0x1200
87 #define MPC52xx_SDMA_SIZE               0x100
88 #define MPC52xx_XLB_OFFSET              0x1f00
89 #define MPC52xx_XLB_SIZE                0x100
90 #define MPC52xx_PSCx_OFFSET(x)          (((x)!=6)?(0x1e00+((x)<<9)):0x2c00)
91 #define MPC52xx_PSC_SIZE                0x0a0
92
93 /* SRAM used for SDMA */
94 #define MPC52xx_SRAM_OFFSET             0x8000
95 #define MPC52xx_SRAM_SIZE               0x4000
96
97
98 /* ======================================================================== */
99 /* IRQ mapping                                                              */
100 /* ======================================================================== */
101 /* Be sure to look at mpc52xx_pic.h if you wish for whatever reason to change
102  * this
103  */
104
105 #define MPC52xx_CRIT_IRQ_NUM    4
106 #define MPC52xx_MAIN_IRQ_NUM    17
107 #define MPC52xx_SDMA_IRQ_NUM    17
108 #define MPC52xx_PERP_IRQ_NUM    23
109
110 #define MPC52xx_CRIT_IRQ_BASE   0
111 #define MPC52xx_MAIN_IRQ_BASE   (MPC52xx_CRIT_IRQ_BASE + MPC52xx_CRIT_IRQ_NUM)
112 #define MPC52xx_SDMA_IRQ_BASE   (MPC52xx_MAIN_IRQ_BASE + MPC52xx_MAIN_IRQ_NUM)
113 #define MPC52xx_PERP_IRQ_BASE   (MPC52xx_SDMA_IRQ_BASE + MPC52xx_SDMA_IRQ_NUM)
114
115 #define MPC52xx_IRQ0                    (MPC52xx_CRIT_IRQ_BASE + 0)
116 #define MPC52xx_SLICE_TIMER_0_IRQ       (MPC52xx_CRIT_IRQ_BASE + 1)
117 #define MPC52xx_HI_INT_IRQ              (MPC52xx_CRIT_IRQ_BASE + 2)
118 #define MPC52xx_CCS_IRQ                 (MPC52xx_CRIT_IRQ_BASE + 3)
119
120 #define MPC52xx_IRQ1                    (MPC52xx_MAIN_IRQ_BASE + 1)
121 #define MPC52xx_IRQ2                    (MPC52xx_MAIN_IRQ_BASE + 2)
122 #define MPC52xx_IRQ3                    (MPC52xx_MAIN_IRQ_BASE + 3)
123
124 #define MPC52xx_SDMA_IRQ                (MPC52xx_PERP_IRQ_BASE + 0)
125 #define MPC52xx_PSC1_IRQ                (MPC52xx_PERP_IRQ_BASE + 1)
126 #define MPC52xx_PSC2_IRQ                (MPC52xx_PERP_IRQ_BASE + 2)
127 #define MPC52xx_PSC3_IRQ                (MPC52xx_PERP_IRQ_BASE + 3)
128 #define MPC52xx_PSC6_IRQ                (MPC52xx_PERP_IRQ_BASE + 4)
129 #define MPC52xx_IRDA_IRQ                (MPC52xx_PERP_IRQ_BASE + 4)
130 #define MPC52xx_FEC_IRQ                 (MPC52xx_PERP_IRQ_BASE + 5)
131 #define MPC52xx_USB_IRQ                 (MPC52xx_PERP_IRQ_BASE + 6)
132 #define MPC52xx_ATA_IRQ                 (MPC52xx_PERP_IRQ_BASE + 7)
133 #define MPC52xx_PCI_CNTRL_IRQ           (MPC52xx_PERP_IRQ_BASE + 8)
134 #define MPC52xx_PCI_SCIRX_IRQ           (MPC52xx_PERP_IRQ_BASE + 9)
135 #define MPC52xx_PCI_SCITX_IRQ           (MPC52xx_PERP_IRQ_BASE + 10)
136 #define MPC52xx_PSC4_IRQ                (MPC52xx_PERP_IRQ_BASE + 11)
137 #define MPC52xx_PSC5_IRQ                (MPC52xx_PERP_IRQ_BASE + 12)
138 #define MPC52xx_SPI_MODF_IRQ            (MPC52xx_PERP_IRQ_BASE + 13)
139 #define MPC52xx_SPI_SPIF_IRQ            (MPC52xx_PERP_IRQ_BASE + 14)
140 #define MPC52xx_I2C1_IRQ                (MPC52xx_PERP_IRQ_BASE + 15)
141 #define MPC52xx_I2C2_IRQ                (MPC52xx_PERP_IRQ_BASE + 16)
142 #define MPC52xx_MSCAN1_IRQ              (MPC52xx_PERP_IRQ_BASE + 17)
143 #define MPC52xx_MSCAN2_IRQ              (MPC52xx_PERP_IRQ_BASE + 18)
144 #define MPC52xx_IR_RX_IRQ               (MPC52xx_PERP_IRQ_BASE + 19)
145 #define MPC52xx_IR_TX_IRQ               (MPC52xx_PERP_IRQ_BASE + 20)
146 #define MPC52xx_XLB_ARB_IRQ             (MPC52xx_PERP_IRQ_BASE + 21)
147 #define MPC52xx_BDLC_IRQ                (MPC52xx_PERP_IRQ_BASE + 22)
148
149
150
151 /* ======================================================================== */
152 /* Structures mapping of some unit register set                             */
153 /* ======================================================================== */
154
155 #ifndef __ASSEMBLY__
156
157 /* Memory Mapping Control */
158 struct mpc52xx_mmap_ctl {
159         u32     mbar;           /* MMAP_CTRL + 0x00 */
160
161         u32     cs0_start;      /* MMAP_CTRL + 0x04 */
162         u32     cs0_stop;       /* MMAP_CTRL + 0x08 */
163         u32     cs1_start;      /* MMAP_CTRL + 0x0c */
164         u32     cs1_stop;       /* MMAP_CTRL + 0x10 */
165         u32     cs2_start;      /* MMAP_CTRL + 0x14 */
166         u32     cs2_stop;       /* MMAP_CTRL + 0x18 */
167         u32     cs3_start;      /* MMAP_CTRL + 0x1c */
168         u32     cs3_stop;       /* MMAP_CTRL + 0x20 */
169         u32     cs4_start;      /* MMAP_CTRL + 0x24 */
170         u32     cs4_stop;       /* MMAP_CTRL + 0x28 */
171         u32     cs5_start;      /* MMAP_CTRL + 0x2c */
172         u32     cs5_stop;       /* MMAP_CTRL + 0x30 */
173
174         u32     sdram0;         /* MMAP_CTRL + 0x34 */
175         u32     sdram1;         /* MMAP_CTRL + 0X38 */
176
177         u32     reserved[4];    /* MMAP_CTRL + 0x3c .. 0x48 */
178
179         u32     boot_start;     /* MMAP_CTRL + 0x4c */
180         u32     boot_stop;      /* MMAP_CTRL + 0x50 */
181
182         u32     ipbi_ws_ctrl;   /* MMAP_CTRL + 0x54 */
183
184         u32     cs6_start;      /* MMAP_CTRL + 0x58 */
185         u32     cs6_stop;       /* MMAP_CTRL + 0x5c */
186         u32     cs7_start;      /* MMAP_CTRL + 0x60 */
187         u32     cs7_stop;       /* MMAP_CTRL + 0x64 */
188 };
189
190 /* SDRAM control */
191 struct mpc52xx_sdram {
192         u32     mode;           /* SDRAM + 0x00 */
193         u32     ctrl;           /* SDRAM + 0x04 */
194         u32     config1;        /* SDRAM + 0x08 */
195         u32     config2;        /* SDRAM + 0x0c */
196 };
197
198 /* Interrupt controller */
199 struct mpc52xx_intr {
200         u32     per_mask;       /* INTR + 0x00 */
201         u32     per_pri1;       /* INTR + 0x04 */
202         u32     per_pri2;       /* INTR + 0x08 */
203         u32     per_pri3;       /* INTR + 0x0c */
204         u32     ctrl;           /* INTR + 0x10 */
205         u32     main_mask;      /* INTR + 0x14 */
206         u32     main_pri1;      /* INTR + 0x18 */
207         u32     main_pri2;      /* INTR + 0x1c */
208         u32     reserved1;      /* INTR + 0x20 */
209         u32     enc_status;     /* INTR + 0x24 */
210         u32     crit_status;    /* INTR + 0x28 */
211         u32     main_status;    /* INTR + 0x2c */
212         u32     per_status;     /* INTR + 0x30 */
213         u32     reserved2;      /* INTR + 0x34 */
214         u32     per_error;      /* INTR + 0x38 */
215 };
216
217 /* SDMA */
218 struct mpc52xx_sdma {
219         u32     taskBar;        /* SDMA + 0x00 */
220         u32     currentPointer; /* SDMA + 0x04 */
221         u32     endPointer;     /* SDMA + 0x08 */
222         u32     variablePointer;/* SDMA + 0x0c */
223
224         u8      IntVect1;       /* SDMA + 0x10 */
225         u8      IntVect2;       /* SDMA + 0x11 */
226         u16     PtdCntrl;       /* SDMA + 0x12 */
227
228         u32     IntPend;        /* SDMA + 0x14 */
229         u32     IntMask;        /* SDMA + 0x18 */
230
231         u16     tcr[16];        /* SDMA + 0x1c .. 0x3a */
232
233         u8      ipr[32];        /* SDMA + 0x3c .. 0x5b */
234
235         u32     cReqSelect;     /* SDMA + 0x5c */
236         u32     task_size0;     /* SDMA + 0x60 */
237         u32     task_size1;     /* SDMA + 0x64 */
238         u32     MDEDebug;       /* SDMA + 0x68 */
239         u32     ADSDebug;       /* SDMA + 0x6c */
240         u32     Value1;         /* SDMA + 0x70 */
241         u32     Value2;         /* SDMA + 0x74 */
242         u32     Control;        /* SDMA + 0x78 */
243         u32     Status;         /* SDMA + 0x7c */
244         u32     PTDDebug;       /* SDMA + 0x80 */
245 };
246
247 /* GPT */
248 struct mpc52xx_gpt {
249         u32     mode;           /* GPTx + 0x00 */
250         u32     count;          /* GPTx + 0x04 */
251         u32     pwm;            /* GPTx + 0x08 */
252         u32     status;         /* GPTx + 0X0c */
253 };
254
255 /* RTC */
256 struct mpc52xx_rtc {
257         u32     time_set;       /* RTC + 0x00 */
258         u32     date_set;       /* RTC + 0x04 */
259         u32     stopwatch;      /* RTC + 0x08 */
260         u32     int_enable;     /* RTC + 0x0c */
261         u32     time;           /* RTC + 0x10 */
262         u32     date;           /* RTC + 0x14 */
263         u32     stopwatch_intr; /* RTC + 0x18 */
264         u32     bus_error;      /* RTC + 0x1c */
265         u32     dividers;       /* RTC + 0x20 */
266 };
267
268 /* GPIO */
269 struct mpc52xx_gpio {
270         u32     port_config;    /* GPIO + 0x00 */
271         u32     simple_gpioe;   /* GPIO + 0x04 */
272         u32     simple_ode;     /* GPIO + 0x08 */
273         u32     simple_ddr;     /* GPIO + 0x0c */
274         u32     simple_dvo;     /* GPIO + 0x10 */
275         u32     simple_ival;    /* GPIO + 0x14 */
276         u8      outo_gpioe;     /* GPIO + 0x18 */
277         u8      reserved1[3];   /* GPIO + 0x19 */
278         u8      outo_dvo;       /* GPIO + 0x1c */
279         u8      reserved2[3];   /* GPIO + 0x1d */
280         u8      sint_gpioe;     /* GPIO + 0x20 */
281         u8      reserved3[3];   /* GPIO + 0x21 */
282         u8      sint_ode;       /* GPIO + 0x24 */
283         u8      reserved4[3];   /* GPIO + 0x25 */
284         u8      sint_ddr;       /* GPIO + 0x28 */
285         u8      reserved5[3];   /* GPIO + 0x29 */
286         u8      sint_dvo;       /* GPIO + 0x2c */
287         u8      reserved6[3];   /* GPIO + 0x2d */
288         u8      sint_inten;     /* GPIO + 0x30 */
289         u8      reserved7[3];   /* GPIO + 0x31 */
290         u16     sint_itype;     /* GPIO + 0x34 */
291         u16     reserved8;      /* GPIO + 0x36 */
292         u8      gpio_control;   /* GPIO + 0x38 */
293         u8      reserved9[3];   /* GPIO + 0x39 */
294         u8      sint_istat;     /* GPIO + 0x3c */
295         u8      sint_ival;      /* GPIO + 0x3d */
296         u8      bus_errs;       /* GPIO + 0x3e */
297         u8      reserved10;     /* GPIO + 0x3f */
298 };
299
300 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4
301 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD    5
302 #define MPC52xx_GPIO_PCI_DIS                    (1<<15)
303
304 /* GPIO with WakeUp*/
305 struct mpc52xx_gpio_wkup {
306         u8      wkup_gpioe;     /* GPIO_WKUP + 0x00 */
307         u8      reserved1[3];   /* GPIO_WKUP + 0x03 */
308         u8      wkup_ode;       /* GPIO_WKUP + 0x04 */
309         u8      reserved2[3];   /* GPIO_WKUP + 0x05 */
310         u8      wkup_ddr;       /* GPIO_WKUP + 0x08 */
311         u8      reserved3[3];   /* GPIO_WKUP + 0x09 */
312         u8      wkup_dvo;       /* GPIO_WKUP + 0x0C */
313         u8      reserved4[3];   /* GPIO_WKUP + 0x0D */
314         u8      wkup_inten;     /* GPIO_WKUP + 0x10 */
315         u8      reserved5[3];   /* GPIO_WKUP + 0x11 */
316         u8      wkup_iinten;    /* GPIO_WKUP + 0x14 */
317         u8      reserved6[3];   /* GPIO_WKUP + 0x15 */
318         u16     wkup_itype;     /* GPIO_WKUP + 0x18 */
319         u8      reserved7[2];   /* GPIO_WKUP + 0x1A */
320         u8      wkup_maste;     /* GPIO_WKUP + 0x1C */
321         u8      reserved8[3];   /* GPIO_WKUP + 0x1D */
322         u8      wkup_ival;      /* GPIO_WKUP + 0x20 */
323         u8      reserved9[3];   /* GPIO_WKUP + 0x21 */
324         u8      wkup_istat;     /* GPIO_WKUP + 0x24 */
325         u8      reserved10[3];  /* GPIO_WKUP + 0x25 */
326 };
327
328 /* XLB Bus control */
329 struct mpc52xx_xlb {
330         u8      reserved[0x40];
331         u32     config;                 /* XLB + 0x40 */
332         u32     version;                /* XLB + 0x44 */
333         u32     status;                 /* XLB + 0x48 */
334         u32     int_enable;             /* XLB + 0x4c */
335         u32     addr_capture;           /* XLB + 0x50 */
336         u32     bus_sig_capture;        /* XLB + 0x54 */
337         u32     addr_timeout;           /* XLB + 0x58 */
338         u32     data_timeout;           /* XLB + 0x5c */
339         u32     bus_act_timeout;        /* XLB + 0x60 */
340         u32     master_pri_enable;      /* XLB + 0x64 */
341         u32     master_priority;        /* XLB + 0x68 */
342         u32     base_address;           /* XLB + 0x6c */
343         u32     snoop_window;           /* XLB + 0x70 */
344 };
345
346 #define MPC52xx_XLB_CFG_SNOOP           (1 << 15)
347
348 /* Clock Distribution control */
349 struct mpc52xx_cdm {
350         u32     jtag_id;                /* CDM + 0x00  reg0 read only */
351         u32     rstcfg;                 /* CDM + 0x04  reg1 read only */
352         u32     breadcrumb;             /* CDM + 0x08  reg2 */
353
354         u8      mem_clk_sel;            /* CDM + 0x0c  reg3 byte0 */
355         u8      xlb_clk_sel;            /* CDM + 0x0d  reg3 byte1 read only */
356         u8      ipb_clk_sel;            /* CDM + 0x0e  reg3 byte2 */
357         u8      pci_clk_sel;            /* CDM + 0x0f  reg3 byte3 */
358
359         u8      ext_48mhz_en;           /* CDM + 0x10  reg4 byte0 */
360         u8      fd_enable;              /* CDM + 0x11  reg4 byte1 */
361         u16     fd_counters;            /* CDM + 0x12  reg4 byte2,3 */
362
363         u32     clk_enables;            /* CDM + 0x14  reg5 */
364
365         u8      osc_disable;            /* CDM + 0x18  reg6 byte0 */
366         u8      reserved0[3];           /* CDM + 0x19  reg6 byte1,2,3 */
367
368         u8      ccs_sleep_enable;       /* CDM + 0x1c  reg7 byte0 */
369         u8      osc_sleep_enable;       /* CDM + 0x1d  reg7 byte1 */
370         u8      reserved1;              /* CDM + 0x1e  reg7 byte2 */
371         u8      ccs_qreq_test;          /* CDM + 0x1f  reg7 byte3 */
372
373         u8      soft_reset;             /* CDM + 0x20  u8 byte0 */
374         u8      no_ckstp;               /* CDM + 0x21  u8 byte0 */
375         u8      reserved2[2];           /* CDM + 0x22  u8 byte1,2,3 */
376
377         u8      pll_lock;               /* CDM + 0x24  reg9 byte0 */
378         u8      pll_looselock;          /* CDM + 0x25  reg9 byte1 */
379         u8      pll_sm_lockwin;         /* CDM + 0x26  reg9 byte2 */
380         u8      reserved3;              /* CDM + 0x27  reg9 byte3 */
381
382         u16     reserved4;              /* CDM + 0x28  reg10 byte0,1 */
383         u16     mclken_div_psc1;        /* CDM + 0x2a  reg10 byte2,3 */
384
385         u16     reserved5;              /* CDM + 0x2c  reg11 byte0,1 */
386         u16     mclken_div_psc2;        /* CDM + 0x2e  reg11 byte2,3 */
387
388         u16     reserved6;              /* CDM + 0x30  reg12 byte0,1 */
389         u16     mclken_div_psc3;        /* CDM + 0x32  reg12 byte2,3 */
390
391         u16     reserved7;              /* CDM + 0x34  reg13 byte0,1 */
392         u16     mclken_div_psc6;        /* CDM + 0x36  reg13 byte2,3 */
393 };
394
395 #endif /* __ASSEMBLY__ */
396
397
398 /* ========================================================================= */
399 /* Prototypes for MPC52xx syslib                                             */
400 /* ========================================================================= */
401
402 #ifndef __ASSEMBLY__
403
404 extern void mpc52xx_init_irq(void);
405 extern int mpc52xx_get_irq(struct pt_regs *regs);
406
407 extern unsigned long mpc52xx_find_end_of_memory(void);
408 extern void mpc52xx_set_bat(void);
409 extern void mpc52xx_map_io(void);
410 extern void mpc52xx_restart(char *cmd);
411 extern void mpc52xx_halt(void);
412 extern void mpc52xx_power_off(void);
413 extern void mpc52xx_progress(char *s, unsigned short hex);
414 extern void mpc52xx_calibrate_decr(void);
415
416 extern void mpc52xx_find_bridges(void);
417
418
419         /* Matching of PSC function */
420 struct mpc52xx_psc_func {
421         int id;
422         char *func;
423 };
424
425 extern int mpc52xx_match_psc_function(int psc_idx, const char *func);
426 extern struct  mpc52xx_psc_func mpc52xx_psc_functions[];
427         /* This array is to be defined in platform file */
428
429 #endif /* __ASSEMBLY__ */
430
431
432 /* ========================================================================= */
433 /* Platform configuration                                                    */
434 /* ========================================================================= */
435
436 /* The U-Boot platform information struct */
437 extern bd_t __res;
438
439 /* Platform options */
440 #if defined(CONFIG_LITE5200)
441 #include <platforms/lite5200.h>
442 #endif
443
444
445 #endif /* __ASM_MPC52xx_H__ */