jbd2: Remove data=ordered mode support using jbd buffer heads
[linux-2.6] / 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         NUM_PPC_SYS_DEVS,
53 };
54
55
56 /* ======================================================================== */
57 /* Main registers/struct addresses                                          */
58 /* ======================================================================== */
59
60 /* MBAR position */
61 #define MPC52xx_MBAR            0xf0000000      /* Phys address */
62 #define MPC52xx_MBAR_VIRT       0xf0000000      /* Virt address */
63 #define MPC52xx_MBAR_SIZE       0x00010000
64
65 #define MPC52xx_PA(x)           ((phys_addr_t)(MPC52xx_MBAR + (x)))
66 #define MPC52xx_VA(x)           ((void __iomem *)(MPC52xx_MBAR_VIRT + (x)))
67
68 /* Registers zone offset/size  */
69 #define MPC52xx_MMAP_CTL_OFFSET         0x0000
70 #define MPC52xx_MMAP_CTL_SIZE           0x068
71 #define MPC52xx_SDRAM_OFFSET            0x0100
72 #define MPC52xx_SDRAM_SIZE              0x010
73 #define MPC52xx_CDM_OFFSET              0x0200
74 #define MPC52xx_CDM_SIZE                0x038
75 #define MPC52xx_INTR_OFFSET             0x0500
76 #define MPC52xx_INTR_SIZE               0x04c
77 #define MPC52xx_GPTx_OFFSET(x)          (0x0600 + ((x)<<4))
78 #define MPC52xx_GPT_SIZE                0x010
79 #define MPC52xx_RTC_OFFSET              0x0800
80 #define MPC52xx_RTC_SIZE                0x024
81 #define MPC52xx_GPIO_OFFSET             0x0b00
82 #define MPC52xx_GPIO_SIZE               0x040
83 #define MPC52xx_GPIO_WKUP_OFFSET        0x0c00
84 #define MPC52xx_GPIO_WKUP_SIZE          0x028
85 #define MPC52xx_PCI_OFFSET              0x0d00
86 #define MPC52xx_PCI_SIZE                0x100
87 #define MPC52xx_SDMA_OFFSET             0x1200
88 #define MPC52xx_SDMA_SIZE               0x100
89 #define MPC52xx_XLB_OFFSET              0x1f00
90 #define MPC52xx_XLB_SIZE                0x100
91 #define MPC52xx_PSCx_OFFSET(x)          (((x)!=6)?(0x1e00+((x)<<9)):0x2c00)
92 #define MPC52xx_PSC_SIZE                0x0a0
93
94 /* SRAM used for SDMA */
95 #define MPC52xx_SRAM_OFFSET             0x8000
96 #define MPC52xx_SRAM_SIZE               0x4000
97
98
99 /* ======================================================================== */
100 /* IRQ mapping                                                              */
101 /* ======================================================================== */
102 /* Be sure to look at mpc52xx_pic.h if you wish for whatever reason to change
103  * this
104  */
105
106 #define MPC52xx_CRIT_IRQ_NUM    4
107 #define MPC52xx_MAIN_IRQ_NUM    17
108 #define MPC52xx_SDMA_IRQ_NUM    17
109 #define MPC52xx_PERP_IRQ_NUM    23
110
111 #define MPC52xx_CRIT_IRQ_BASE   1
112 #define MPC52xx_MAIN_IRQ_BASE   (MPC52xx_CRIT_IRQ_BASE + MPC52xx_CRIT_IRQ_NUM)
113 #define MPC52xx_SDMA_IRQ_BASE   (MPC52xx_MAIN_IRQ_BASE + MPC52xx_MAIN_IRQ_NUM)
114 #define MPC52xx_PERP_IRQ_BASE   (MPC52xx_SDMA_IRQ_BASE + MPC52xx_SDMA_IRQ_NUM)
115
116 #define MPC52xx_IRQ0                    (MPC52xx_CRIT_IRQ_BASE + 0)
117 #define MPC52xx_SLICE_TIMER_0_IRQ       (MPC52xx_CRIT_IRQ_BASE + 1)
118 #define MPC52xx_HI_INT_IRQ              (MPC52xx_CRIT_IRQ_BASE + 2)
119 #define MPC52xx_CCS_IRQ                 (MPC52xx_CRIT_IRQ_BASE + 3)
120
121 #define MPC52xx_IRQ1                    (MPC52xx_MAIN_IRQ_BASE + 1)
122 #define MPC52xx_IRQ2                    (MPC52xx_MAIN_IRQ_BASE + 2)
123 #define MPC52xx_IRQ3                    (MPC52xx_MAIN_IRQ_BASE + 3)
124
125 #define MPC52xx_SDMA_IRQ                (MPC52xx_PERP_IRQ_BASE + 0)
126 #define MPC52xx_PSC1_IRQ                (MPC52xx_PERP_IRQ_BASE + 1)
127 #define MPC52xx_PSC2_IRQ                (MPC52xx_PERP_IRQ_BASE + 2)
128 #define MPC52xx_PSC3_IRQ                (MPC52xx_PERP_IRQ_BASE + 3)
129 #define MPC52xx_PSC6_IRQ                (MPC52xx_PERP_IRQ_BASE + 4)
130 #define MPC52xx_IRDA_IRQ                (MPC52xx_PERP_IRQ_BASE + 4)
131 #define MPC52xx_FEC_IRQ                 (MPC52xx_PERP_IRQ_BASE + 5)
132 #define MPC52xx_USB_IRQ                 (MPC52xx_PERP_IRQ_BASE + 6)
133 #define MPC52xx_ATA_IRQ                 (MPC52xx_PERP_IRQ_BASE + 7)
134 #define MPC52xx_PCI_CNTRL_IRQ           (MPC52xx_PERP_IRQ_BASE + 8)
135 #define MPC52xx_PCI_SCIRX_IRQ           (MPC52xx_PERP_IRQ_BASE + 9)
136 #define MPC52xx_PCI_SCITX_IRQ           (MPC52xx_PERP_IRQ_BASE + 10)
137 #define MPC52xx_PSC4_IRQ                (MPC52xx_PERP_IRQ_BASE + 11)
138 #define MPC52xx_PSC5_IRQ                (MPC52xx_PERP_IRQ_BASE + 12)
139 #define MPC52xx_SPI_MODF_IRQ            (MPC52xx_PERP_IRQ_BASE + 13)
140 #define MPC52xx_SPI_SPIF_IRQ            (MPC52xx_PERP_IRQ_BASE + 14)
141 #define MPC52xx_I2C1_IRQ                (MPC52xx_PERP_IRQ_BASE + 15)
142 #define MPC52xx_I2C2_IRQ                (MPC52xx_PERP_IRQ_BASE + 16)
143 #define MPC52xx_MSCAN1_IRQ              (MPC52xx_PERP_IRQ_BASE + 17)
144 #define MPC52xx_MSCAN2_IRQ              (MPC52xx_PERP_IRQ_BASE + 18)
145 #define MPC52xx_IR_RX_IRQ               (MPC52xx_PERP_IRQ_BASE + 19)
146 #define MPC52xx_IR_TX_IRQ               (MPC52xx_PERP_IRQ_BASE + 20)
147 #define MPC52xx_XLB_ARB_IRQ             (MPC52xx_PERP_IRQ_BASE + 21)
148 #define MPC52xx_BDLC_IRQ                (MPC52xx_PERP_IRQ_BASE + 22)
149
150
151
152 /* ======================================================================== */
153 /* Structures mapping of some unit register set                             */
154 /* ======================================================================== */
155
156 #ifndef __ASSEMBLY__
157
158 /* Memory Mapping Control */
159 struct mpc52xx_mmap_ctl {
160         u32     mbar;           /* MMAP_CTRL + 0x00 */
161
162         u32     cs0_start;      /* MMAP_CTRL + 0x04 */
163         u32     cs0_stop;       /* MMAP_CTRL + 0x08 */
164         u32     cs1_start;      /* MMAP_CTRL + 0x0c */
165         u32     cs1_stop;       /* MMAP_CTRL + 0x10 */
166         u32     cs2_start;      /* MMAP_CTRL + 0x14 */
167         u32     cs2_stop;       /* MMAP_CTRL + 0x18 */
168         u32     cs3_start;      /* MMAP_CTRL + 0x1c */
169         u32     cs3_stop;       /* MMAP_CTRL + 0x20 */
170         u32     cs4_start;      /* MMAP_CTRL + 0x24 */
171         u32     cs4_stop;       /* MMAP_CTRL + 0x28 */
172         u32     cs5_start;      /* MMAP_CTRL + 0x2c */
173         u32     cs5_stop;       /* MMAP_CTRL + 0x30 */
174
175         u32     sdram0;         /* MMAP_CTRL + 0x34 */
176         u32     sdram1;         /* MMAP_CTRL + 0X38 */
177
178         u32     reserved[4];    /* MMAP_CTRL + 0x3c .. 0x48 */
179
180         u32     boot_start;     /* MMAP_CTRL + 0x4c */
181         u32     boot_stop;      /* MMAP_CTRL + 0x50 */
182
183         u32     ipbi_ws_ctrl;   /* MMAP_CTRL + 0x54 */
184
185         u32     cs6_start;      /* MMAP_CTRL + 0x58 */
186         u32     cs6_stop;       /* MMAP_CTRL + 0x5c */
187         u32     cs7_start;      /* MMAP_CTRL + 0x60 */
188         u32     cs7_stop;       /* MMAP_CTRL + 0x64 */
189 };
190
191 /* SDRAM control */
192 struct mpc52xx_sdram {
193         u32     mode;           /* SDRAM + 0x00 */
194         u32     ctrl;           /* SDRAM + 0x04 */
195         u32     config1;        /* SDRAM + 0x08 */
196         u32     config2;        /* SDRAM + 0x0c */
197 };
198
199 /* Interrupt controller */
200 struct mpc52xx_intr {
201         u32     per_mask;       /* INTR + 0x00 */
202         u32     per_pri1;       /* INTR + 0x04 */
203         u32     per_pri2;       /* INTR + 0x08 */
204         u32     per_pri3;       /* INTR + 0x0c */
205         u32     ctrl;           /* INTR + 0x10 */
206         u32     main_mask;      /* INTR + 0x14 */
207         u32     main_pri1;      /* INTR + 0x18 */
208         u32     main_pri2;      /* INTR + 0x1c */
209         u32     reserved1;      /* INTR + 0x20 */
210         u32     enc_status;     /* INTR + 0x24 */
211         u32     crit_status;    /* INTR + 0x28 */
212         u32     main_status;    /* INTR + 0x2c */
213         u32     per_status;     /* INTR + 0x30 */
214         u32     reserved2;      /* INTR + 0x34 */
215         u32     per_error;      /* INTR + 0x38 */
216 };
217
218 /* SDMA */
219 struct mpc52xx_sdma {
220         u32     taskBar;        /* SDMA + 0x00 */
221         u32     currentPointer; /* SDMA + 0x04 */
222         u32     endPointer;     /* SDMA + 0x08 */
223         u32     variablePointer;/* SDMA + 0x0c */
224
225         u8      IntVect1;       /* SDMA + 0x10 */
226         u8      IntVect2;       /* SDMA + 0x11 */
227         u16     PtdCntrl;       /* SDMA + 0x12 */
228
229         u32     IntPend;        /* SDMA + 0x14 */
230         u32     IntMask;        /* SDMA + 0x18 */
231
232         u16     tcr[16];        /* SDMA + 0x1c .. 0x3a */
233
234         u8      ipr[32];        /* SDMA + 0x3c .. 0x5b */
235
236         u32     cReqSelect;     /* SDMA + 0x5c */
237         u32     task_size0;     /* SDMA + 0x60 */
238         u32     task_size1;     /* SDMA + 0x64 */
239         u32     MDEDebug;       /* SDMA + 0x68 */
240         u32     ADSDebug;       /* SDMA + 0x6c */
241         u32     Value1;         /* SDMA + 0x70 */
242         u32     Value2;         /* SDMA + 0x74 */
243         u32     Control;        /* SDMA + 0x78 */
244         u32     Status;         /* SDMA + 0x7c */
245         u32     PTDDebug;       /* SDMA + 0x80 */
246 };
247
248 /* GPT */
249 struct mpc52xx_gpt {
250         u32     mode;           /* GPTx + 0x00 */
251         u32     count;          /* GPTx + 0x04 */
252         u32     pwm;            /* GPTx + 0x08 */
253         u32     status;         /* GPTx + 0X0c */
254 };
255
256 /* RTC */
257 struct mpc52xx_rtc {
258         u32     time_set;       /* RTC + 0x00 */
259         u32     date_set;       /* RTC + 0x04 */
260         u32     stopwatch;      /* RTC + 0x08 */
261         u32     int_enable;     /* RTC + 0x0c */
262         u32     time;           /* RTC + 0x10 */
263         u32     date;           /* RTC + 0x14 */
264         u32     stopwatch_intr; /* RTC + 0x18 */
265         u32     bus_error;      /* RTC + 0x1c */
266         u32     dividers;       /* RTC + 0x20 */
267 };
268
269 /* GPIO */
270 struct mpc52xx_gpio {
271         u32     port_config;    /* GPIO + 0x00 */
272         u32     simple_gpioe;   /* GPIO + 0x04 */
273         u32     simple_ode;     /* GPIO + 0x08 */
274         u32     simple_ddr;     /* GPIO + 0x0c */
275         u32     simple_dvo;     /* GPIO + 0x10 */
276         u32     simple_ival;    /* GPIO + 0x14 */
277         u8      outo_gpioe;     /* GPIO + 0x18 */
278         u8      reserved1[3];   /* GPIO + 0x19 */
279         u8      outo_dvo;       /* GPIO + 0x1c */
280         u8      reserved2[3];   /* GPIO + 0x1d */
281         u8      sint_gpioe;     /* GPIO + 0x20 */
282         u8      reserved3[3];   /* GPIO + 0x21 */
283         u8      sint_ode;       /* GPIO + 0x24 */
284         u8      reserved4[3];   /* GPIO + 0x25 */
285         u8      sint_ddr;       /* GPIO + 0x28 */
286         u8      reserved5[3];   /* GPIO + 0x29 */
287         u8      sint_dvo;       /* GPIO + 0x2c */
288         u8      reserved6[3];   /* GPIO + 0x2d */
289         u8      sint_inten;     /* GPIO + 0x30 */
290         u8      reserved7[3];   /* GPIO + 0x31 */
291         u16     sint_itype;     /* GPIO + 0x34 */
292         u16     reserved8;      /* GPIO + 0x36 */
293         u8      gpio_control;   /* GPIO + 0x38 */
294         u8      reserved9[3];   /* GPIO + 0x39 */
295         u8      sint_istat;     /* GPIO + 0x3c */
296         u8      sint_ival;      /* GPIO + 0x3d */
297         u8      bus_errs;       /* GPIO + 0x3e */
298         u8      reserved10;     /* GPIO + 0x3f */
299 };
300
301 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4
302 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD    5
303 #define MPC52xx_GPIO_PCI_DIS                    (1<<15)
304
305 /* GPIO with WakeUp*/
306 struct mpc52xx_gpio_wkup {
307         u8      wkup_gpioe;     /* GPIO_WKUP + 0x00 */
308         u8      reserved1[3];   /* GPIO_WKUP + 0x03 */
309         u8      wkup_ode;       /* GPIO_WKUP + 0x04 */
310         u8      reserved2[3];   /* GPIO_WKUP + 0x05 */
311         u8      wkup_ddr;       /* GPIO_WKUP + 0x08 */
312         u8      reserved3[3];   /* GPIO_WKUP + 0x09 */
313         u8      wkup_dvo;       /* GPIO_WKUP + 0x0C */
314         u8      reserved4[3];   /* GPIO_WKUP + 0x0D */
315         u8      wkup_inten;     /* GPIO_WKUP + 0x10 */
316         u8      reserved5[3];   /* GPIO_WKUP + 0x11 */
317         u8      wkup_iinten;    /* GPIO_WKUP + 0x14 */
318         u8      reserved6[3];   /* GPIO_WKUP + 0x15 */
319         u16     wkup_itype;     /* GPIO_WKUP + 0x18 */
320         u8      reserved7[2];   /* GPIO_WKUP + 0x1A */
321         u8      wkup_maste;     /* GPIO_WKUP + 0x1C */
322         u8      reserved8[3];   /* GPIO_WKUP + 0x1D */
323         u8      wkup_ival;      /* GPIO_WKUP + 0x20 */
324         u8      reserved9[3];   /* GPIO_WKUP + 0x21 */
325         u8      wkup_istat;     /* GPIO_WKUP + 0x24 */
326         u8      reserved10[3];  /* GPIO_WKUP + 0x25 */
327 };
328
329 /* XLB Bus control */
330 struct mpc52xx_xlb {
331         u8      reserved[0x40];
332         u32     config;                 /* XLB + 0x40 */
333         u32     version;                /* XLB + 0x44 */
334         u32     status;                 /* XLB + 0x48 */
335         u32     int_enable;             /* XLB + 0x4c */
336         u32     addr_capture;           /* XLB + 0x50 */
337         u32     bus_sig_capture;        /* XLB + 0x54 */
338         u32     addr_timeout;           /* XLB + 0x58 */
339         u32     data_timeout;           /* XLB + 0x5c */
340         u32     bus_act_timeout;        /* XLB + 0x60 */
341         u32     master_pri_enable;      /* XLB + 0x64 */
342         u32     master_priority;        /* XLB + 0x68 */
343         u32     base_address;           /* XLB + 0x6c */
344         u32     snoop_window;           /* XLB + 0x70 */
345 };
346
347 #define MPC52xx_XLB_CFG_PLDIS           (1 << 31)
348 #define MPC52xx_XLB_CFG_SNOOP           (1 << 15)
349
350 /* Clock Distribution control */
351 struct mpc52xx_cdm {
352         u32     jtag_id;                /* CDM + 0x00  reg0 read only */
353         u32     rstcfg;                 /* CDM + 0x04  reg1 read only */
354         u32     breadcrumb;             /* CDM + 0x08  reg2 */
355
356         u8      mem_clk_sel;            /* CDM + 0x0c  reg3 byte0 */
357         u8      xlb_clk_sel;            /* CDM + 0x0d  reg3 byte1 read only */
358         u8      ipb_clk_sel;            /* CDM + 0x0e  reg3 byte2 */
359         u8      pci_clk_sel;            /* CDM + 0x0f  reg3 byte3 */
360
361         u8      ext_48mhz_en;           /* CDM + 0x10  reg4 byte0 */
362         u8      fd_enable;              /* CDM + 0x11  reg4 byte1 */
363         u16     fd_counters;            /* CDM + 0x12  reg4 byte2,3 */
364
365         u32     clk_enables;            /* CDM + 0x14  reg5 */
366
367         u8      osc_disable;            /* CDM + 0x18  reg6 byte0 */
368         u8      reserved0[3];           /* CDM + 0x19  reg6 byte1,2,3 */
369
370         u8      ccs_sleep_enable;       /* CDM + 0x1c  reg7 byte0 */
371         u8      osc_sleep_enable;       /* CDM + 0x1d  reg7 byte1 */
372         u8      reserved1;              /* CDM + 0x1e  reg7 byte2 */
373         u8      ccs_qreq_test;          /* CDM + 0x1f  reg7 byte3 */
374
375         u8      soft_reset;             /* CDM + 0x20  u8 byte0 */
376         u8      no_ckstp;               /* CDM + 0x21  u8 byte0 */
377         u8      reserved2[2];           /* CDM + 0x22  u8 byte1,2,3 */
378
379         u8      pll_lock;               /* CDM + 0x24  reg9 byte0 */
380         u8      pll_looselock;          /* CDM + 0x25  reg9 byte1 */
381         u8      pll_sm_lockwin;         /* CDM + 0x26  reg9 byte2 */
382         u8      reserved3;              /* CDM + 0x27  reg9 byte3 */
383
384         u16     reserved4;              /* CDM + 0x28  reg10 byte0,1 */
385         u16     mclken_div_psc1;        /* CDM + 0x2a  reg10 byte2,3 */
386
387         u16     reserved5;              /* CDM + 0x2c  reg11 byte0,1 */
388         u16     mclken_div_psc2;        /* CDM + 0x2e  reg11 byte2,3 */
389
390         u16     reserved6;              /* CDM + 0x30  reg12 byte0,1 */
391         u16     mclken_div_psc3;        /* CDM + 0x32  reg12 byte2,3 */
392
393         u16     reserved7;              /* CDM + 0x34  reg13 byte0,1 */
394         u16     mclken_div_psc6;        /* CDM + 0x36  reg13 byte2,3 */
395 };
396
397 #endif /* __ASSEMBLY__ */
398
399
400 /* ========================================================================= */
401 /* Prototypes for MPC52xx syslib                                             */
402 /* ========================================================================= */
403
404 #ifndef __ASSEMBLY__
405
406 extern void mpc52xx_init_irq(void);
407 extern int mpc52xx_get_irq(void);
408
409 extern unsigned long mpc52xx_find_end_of_memory(void);
410 extern void mpc52xx_set_bat(void);
411 extern void mpc52xx_map_io(void);
412 extern void mpc52xx_restart(char *cmd);
413 extern void mpc52xx_halt(void);
414 extern void mpc52xx_power_off(void);
415 extern void mpc52xx_progress(char *s, unsigned short hex);
416 extern void mpc52xx_calibrate_decr(void);
417
418 extern void mpc52xx_find_bridges(void);
419
420 extern void mpc52xx_setup_cpu(void);
421
422
423
424         /* Matching of PSC function */
425 struct mpc52xx_psc_func {
426         int id;
427         char *func;
428 };
429
430 extern int mpc52xx_match_psc_function(int psc_idx, const char *func);
431 extern struct  mpc52xx_psc_func mpc52xx_psc_functions[];
432         /* This array is to be defined in platform file */
433
434 #endif /* __ASSEMBLY__ */
435
436
437 /* ========================================================================= */
438 /* Platform configuration                                                    */
439 /* ========================================================================= */
440
441 /* The U-Boot platform information struct */
442 extern bd_t __res;
443
444 /* Platform options */
445 #if defined(CONFIG_LITE5200)
446 #include <platforms/lite5200.h>
447 #endif
448
449
450 #endif /* __ASM_MPC52xx_H__ */