arch/powerpc/include/asm/mpc52xx.h

   1 /*
   2  * Prototypes, etc. for the Freescale MPC52xx embedded cpu chips
   3  * May need to be cleaned as the port goes on ...
   4  *
   5  * Copyright (C) 2004-2005 Sylvain Munaut <tnt@246tNt.com>
   6  * Copyright (C) 2003 MontaVista, Software, Inc.
   7  *
   8  * This file is licensed under the terms of the GNU General Public License
   9  * version 2. This program is licensed "as is" without any warranty of any
  10  * kind, whether express or implied.
  11  */
  12
  13 #ifndef __ASM_POWERPC_MPC52xx_H__
  14 #define __ASM_POWERPC_MPC52xx_H__
  15
  16 #ifndef __ASSEMBLY__
  17 #include <asm/types.h>
  18 #include <asm/prom.h>
  19 #include <asm/mpc5xxx.h>
  20 #endif /* __ASSEMBLY__ */
  21
  22 #include <linux/suspend.h>
  23
  24 /* Variants of the 5200(B) */
  25 #define MPC5200_SVR             0x80110010
  26 #define MPC5200_SVR_MASK        0xfffffff0
  27 #define MPC5200B_SVR            0x80110020
  28 #define MPC5200B_SVR_MASK       0xfffffff0
  29
  30 /* ======================================================================== */
  31 /* Structures mapping of some unit register set                             */
  32 /* ======================================================================== */
  33
  34 #ifndef __ASSEMBLY__
  35
  36 /* Memory Mapping Control */
  37 struct mpc52xx_mmap_ctl {
  38         u32 mbar;               /* MMAP_CTRL + 0x00 */
  39
  40         u32 cs0_start;          /* MMAP_CTRL + 0x04 */
  41         u32 cs0_stop;           /* MMAP_CTRL + 0x08 */
  42         u32 cs1_start;          /* MMAP_CTRL + 0x0c */
  43         u32 cs1_stop;           /* MMAP_CTRL + 0x10 */
  44         u32 cs2_start;          /* MMAP_CTRL + 0x14 */
  45         u32 cs2_stop;           /* MMAP_CTRL + 0x18 */
  46         u32 cs3_start;          /* MMAP_CTRL + 0x1c */
  47         u32 cs3_stop;           /* MMAP_CTRL + 0x20 */
  48         u32 cs4_start;          /* MMAP_CTRL + 0x24 */
  49         u32 cs4_stop;           /* MMAP_CTRL + 0x28 */
  50         u32 cs5_start;          /* MMAP_CTRL + 0x2c */
  51         u32 cs5_stop;           /* MMAP_CTRL + 0x30 */
  52
  53         u32 sdram0;             /* MMAP_CTRL + 0x34 */
  54         u32 sdram1;             /* MMAP_CTRL + 0X38 */
  55
  56         u32 reserved[4];        /* MMAP_CTRL + 0x3c .. 0x48 */
  57
  58         u32 boot_start;         /* MMAP_CTRL + 0x4c */
  59         u32 boot_stop;          /* MMAP_CTRL + 0x50 */
  60
  61         u32 ipbi_ws_ctrl;       /* MMAP_CTRL + 0x54 */
  62
  63         u32 cs6_start;          /* MMAP_CTRL + 0x58 */
  64         u32 cs6_stop;           /* MMAP_CTRL + 0x5c */
  65         u32 cs7_start;          /* MMAP_CTRL + 0x60 */
  66         u32 cs7_stop;           /* MMAP_CTRL + 0x64 */
  67 };
  68
  69 /* SDRAM control */
  70 struct mpc52xx_sdram {
  71         u32 mode;               /* SDRAM + 0x00 */
  72         u32 ctrl;               /* SDRAM + 0x04 */
  73         u32 config1;            /* SDRAM + 0x08 */
  74         u32 config2;            /* SDRAM + 0x0c */
  75 };
  76
  77 /* SDMA */
  78 struct mpc52xx_sdma {
  79         u32 taskBar;            /* SDMA + 0x00 */
  80         u32 currentPointer;     /* SDMA + 0x04 */
  81         u32 endPointer;         /* SDMA + 0x08 */
  82         u32 variablePointer;    /* SDMA + 0x0c */
  83
  84         u8 IntVect1;            /* SDMA + 0x10 */
  85         u8 IntVect2;            /* SDMA + 0x11 */
  86         u16 PtdCntrl;           /* SDMA + 0x12 */
  87
  88         u32 IntPend;            /* SDMA + 0x14 */
  89         u32 IntMask;            /* SDMA + 0x18 */
  90
  91         u16 tcr[16];            /* SDMA + 0x1c .. 0x3a */
  92
  93         u8 ipr[32];             /* SDMA + 0x3c .. 0x5b */
  94
  95         u32 cReqSelect;         /* SDMA + 0x5c */
  96         u32 task_size0;         /* SDMA + 0x60 */
  97         u32 task_size1;         /* SDMA + 0x64 */
  98         u32 MDEDebug;           /* SDMA + 0x68 */
  99         u32 ADSDebug;           /* SDMA + 0x6c */
 100         u32 Value1;             /* SDMA + 0x70 */
 101         u32 Value2;             /* SDMA + 0x74 */
 102         u32 Control;            /* SDMA + 0x78 */
 103         u32 Status;             /* SDMA + 0x7c */
 104         u32 PTDDebug;           /* SDMA + 0x80 */
 105 };
 106
 107 /* GPT */
 108 struct mpc52xx_gpt {
 109         u32 mode;               /* GPTx + 0x00 */
 110         u32 count;              /* GPTx + 0x04 */
 111         u32 pwm;                /* GPTx + 0x08 */
 112         u32 status;             /* GPTx + 0X0c */
 113 };
 114
 115 /* GPIO */
 116 struct mpc52xx_gpio {
 117         u32 port_config;        /* GPIO + 0x00 */
 118         u32 simple_gpioe;       /* GPIO + 0x04 */
 119         u32 simple_ode;         /* GPIO + 0x08 */
 120         u32 simple_ddr;         /* GPIO + 0x0c */
 121         u32 simple_dvo;         /* GPIO + 0x10 */
 122         u32 simple_ival;        /* GPIO + 0x14 */
 123         u8 outo_gpioe;          /* GPIO + 0x18 */
 124         u8 reserved1[3];        /* GPIO + 0x19 */
 125         u8 outo_dvo;            /* GPIO + 0x1c */
 126         u8 reserved2[3];        /* GPIO + 0x1d */
 127         u8 sint_gpioe;          /* GPIO + 0x20 */
 128         u8 reserved3[3];        /* GPIO + 0x21 */
 129         u8 sint_ode;            /* GPIO + 0x24 */
 130         u8 reserved4[3];        /* GPIO + 0x25 */
 131         u8 sint_ddr;            /* GPIO + 0x28 */
 132         u8 reserved5[3];        /* GPIO + 0x29 */
 133         u8 sint_dvo;            /* GPIO + 0x2c */
 134         u8 reserved6[3];        /* GPIO + 0x2d */
 135         u8 sint_inten;          /* GPIO + 0x30 */
 136         u8 reserved7[3];        /* GPIO + 0x31 */
 137         u16 sint_itype;         /* GPIO + 0x34 */
 138         u16 reserved8;          /* GPIO + 0x36 */
 139         u8 gpio_control;        /* GPIO + 0x38 */
 140         u8 reserved9[3];        /* GPIO + 0x39 */
 141         u8 sint_istat;          /* GPIO + 0x3c */
 142         u8 sint_ival;           /* GPIO + 0x3d */
 143         u8 bus_errs;            /* GPIO + 0x3e */
 144         u8 reserved10;          /* GPIO + 0x3f */
 145 };
 146
 147 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4
 148 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD    5
 149 #define MPC52xx_GPIO_PCI_DIS                    (1<<15)
 150
 151 /* GPIO with WakeUp*/
 152 struct mpc52xx_gpio_wkup {
 153         u8 wkup_gpioe;          /* GPIO_WKUP + 0x00 */
 154         u8 reserved1[3];        /* GPIO_WKUP + 0x03 */
 155         u8 wkup_ode;            /* GPIO_WKUP + 0x04 */
 156         u8 reserved2[3];        /* GPIO_WKUP + 0x05 */
 157         u8 wkup_ddr;            /* GPIO_WKUP + 0x08 */
 158         u8 reserved3[3];        /* GPIO_WKUP + 0x09 */
 159         u8 wkup_dvo;            /* GPIO_WKUP + 0x0C */
 160         u8 reserved4[3];        /* GPIO_WKUP + 0x0D */
 161         u8 wkup_inten;          /* GPIO_WKUP + 0x10 */
 162         u8 reserved5[3];        /* GPIO_WKUP + 0x11 */
 163         u8 wkup_iinten;         /* GPIO_WKUP + 0x14 */
 164         u8 reserved6[3];        /* GPIO_WKUP + 0x15 */
 165         u16 wkup_itype;         /* GPIO_WKUP + 0x18 */
 166         u8 reserved7[2];        /* GPIO_WKUP + 0x1A */
 167         u8 wkup_maste;          /* GPIO_WKUP + 0x1C */
 168         u8 reserved8[3];        /* GPIO_WKUP + 0x1D */
 169         u8 wkup_ival;           /* GPIO_WKUP + 0x20 */
 170         u8 reserved9[3];        /* GPIO_WKUP + 0x21 */
 171         u8 wkup_istat;          /* GPIO_WKUP + 0x24 */
 172         u8 reserved10[3];       /* GPIO_WKUP + 0x25 */
 173 };
 174
 175 /* XLB Bus control */
 176 struct mpc52xx_xlb {
 177         u8 reserved[0x40];
 178         u32 config;             /* XLB + 0x40 */
 179         u32 version;            /* XLB + 0x44 */
 180         u32 status;             /* XLB + 0x48 */
 181         u32 int_enable;         /* XLB + 0x4c */
 182         u32 addr_capture;       /* XLB + 0x50 */
 183         u32 bus_sig_capture;    /* XLB + 0x54 */
 184         u32 addr_timeout;       /* XLB + 0x58 */
 185         u32 data_timeout;       /* XLB + 0x5c */
 186         u32 bus_act_timeout;    /* XLB + 0x60 */
 187         u32 master_pri_enable;  /* XLB + 0x64 */
 188         u32 master_priority;    /* XLB + 0x68 */
 189         u32 base_address;       /* XLB + 0x6c */
 190         u32 snoop_window;       /* XLB + 0x70 */
 191 };
 192
 193 #define MPC52xx_XLB_CFG_PLDIS           (1 << 31)
 194 #define MPC52xx_XLB_CFG_SNOOP           (1 << 15)
 195
 196 /* Clock Distribution control */
 197 struct mpc52xx_cdm {
 198         u32 jtag_id;            /* CDM + 0x00  reg0 read only */
 199         u32 rstcfg;             /* CDM + 0x04  reg1 read only */
 200         u32 breadcrumb;         /* CDM + 0x08  reg2 */
 201
 202         u8 mem_clk_sel;         /* CDM + 0x0c  reg3 byte0 */
 203         u8 xlb_clk_sel;         /* CDM + 0x0d  reg3 byte1 read only */
 204         u8 ipb_clk_sel;         /* CDM + 0x0e  reg3 byte2 */
 205         u8 pci_clk_sel;         /* CDM + 0x0f  reg3 byte3 */
 206
 207         u8 ext_48mhz_en;        /* CDM + 0x10  reg4 byte0 */
 208         u8 fd_enable;           /* CDM + 0x11  reg4 byte1 */
 209         u16 fd_counters;        /* CDM + 0x12  reg4 byte2,3 */
 210
 211         u32 clk_enables;        /* CDM + 0x14  reg5 */
 212
 213         u8 osc_disable;         /* CDM + 0x18  reg6 byte0 */
 214         u8 reserved0[3];        /* CDM + 0x19  reg6 byte1,2,3 */
 215
 216         u8 ccs_sleep_enable;    /* CDM + 0x1c  reg7 byte0 */
 217         u8 osc_sleep_enable;    /* CDM + 0x1d  reg7 byte1 */
 218         u8 reserved1;           /* CDM + 0x1e  reg7 byte2 */
 219         u8 ccs_qreq_test;       /* CDM + 0x1f  reg7 byte3 */
 220
 221         u8 soft_reset;          /* CDM + 0x20  u8 byte0 */
 222         u8 no_ckstp;            /* CDM + 0x21  u8 byte0 */
 223         u8 reserved2[2];        /* CDM + 0x22  u8 byte1,2,3 */
 224
 225         u8 pll_lock;            /* CDM + 0x24  reg9 byte0 */
 226         u8 pll_looselock;       /* CDM + 0x25  reg9 byte1 */
 227         u8 pll_sm_lockwin;      /* CDM + 0x26  reg9 byte2 */
 228         u8 reserved3;           /* CDM + 0x27  reg9 byte3 */
 229
 230         u16 reserved4;          /* CDM + 0x28  reg10 byte0,1 */
 231         u16 mclken_div_psc1;    /* CDM + 0x2a  reg10 byte2,3 */
 232
 233         u16 reserved5;          /* CDM + 0x2c  reg11 byte0,1 */
 234         u16 mclken_div_psc2;    /* CDM + 0x2e  reg11 byte2,3 */
 235
 236         u16 reserved6;          /* CDM + 0x30  reg12 byte0,1 */
 237         u16 mclken_div_psc3;    /* CDM + 0x32  reg12 byte2,3 */
 238
 239         u16 reserved7;          /* CDM + 0x34  reg13 byte0,1 */
 240         u16 mclken_div_psc6;    /* CDM + 0x36  reg13 byte2,3 */
 241 };
 242
 243 /* Interrupt controller Register set */
 244 struct mpc52xx_intr {
 245         u32 per_mask;           /* INTR + 0x00 */
 246         u32 per_pri1;           /* INTR + 0x04 */
 247         u32 per_pri2;           /* INTR + 0x08 */
 248         u32 per_pri3;           /* INTR + 0x0c */
 249         u32 ctrl;               /* INTR + 0x10 */
 250         u32 main_mask;          /* INTR + 0x14 */
 251         u32 main_pri1;          /* INTR + 0x18 */
 252         u32 main_pri2;          /* INTR + 0x1c */
 253         u32 reserved1;          /* INTR + 0x20 */
 254         u32 enc_status;         /* INTR + 0x24 */
 255         u32 crit_status;        /* INTR + 0x28 */
 256         u32 main_status;        /* INTR + 0x2c */
 257         u32 per_status;         /* INTR + 0x30 */
 258         u32 reserved2;          /* INTR + 0x34 */
 259         u32 per_error;          /* INTR + 0x38 */
 260 };
 261
 262 #endif /* __ASSEMBLY__ */
 263
 264
 265 /* ========================================================================= */
 266 /* Prototypes for MPC52xx sysdev                                             */
 267 /* ========================================================================= */
 268
 269 #ifndef __ASSEMBLY__
 270
 271 /* mpc52xx_common.c */
 272 extern void mpc5200_setup_xlb_arbiter(void);
 273 extern void mpc52xx_declare_of_platform_devices(void);
 274 extern int mpc5200_psc_ac97_gpio_reset(int psc_number);
 275 extern void mpc52xx_map_common_devices(void);
 276 extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv);
 277 extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node);
 278 extern void __noreturn mpc52xx_restart(char *cmd);
 279
 280 /* mpc52xx_gpt.c */
 281 struct mpc52xx_gpt_priv;
 282 extern struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq);
 283 extern int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period,
 284                             int continuous);
 285 extern u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt);
 286 extern int mpc52xx_gpt_stop_timer(struct mpc52xx_gpt_priv *gpt);
 287
 288 /* mpc52xx_lpbfifo.c */
 289 #define MPC52XX_LPBFIFO_FLAG_READ               (0)
 290 #define MPC52XX_LPBFIFO_FLAG_WRITE              (1<<0)
 291 #define MPC52XX_LPBFIFO_FLAG_NO_INCREMENT       (1<<1)
 292 #define MPC52XX_LPBFIFO_FLAG_NO_DMA             (1<<2)
 293 #define MPC52XX_LPBFIFO_FLAG_POLL_DMA           (1<<3)
 294
 295 struct mpc52xx_lpbfifo_request {
 296         struct list_head list;
 297
 298         /* localplus bus address */
 299         unsigned int cs;
 300         size_t offset;
 301
 302         /* Memory address */
 303         void *data;
 304         phys_addr_t data_phys;
 305
 306         /* Details of transfer */
 307         size_t size;
 308         size_t pos;     /* current position of transfer */
 309         int flags;
 310         int defer_xfer_start;
 311
 312         /* What to do when finished */
 313         void (*callback)(struct mpc52xx_lpbfifo_request *);
 314
 315         void *priv;             /* Driver private data */
 316
 317         /* statistics */
 318         int irq_count;
 319         int irq_ticks;
 320         u8 last_byte;
 321         int buffer_not_done_cnt;
 322 };
 323
 324 extern int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req);
 325 extern void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req);
 326 extern void mpc52xx_lpbfifo_poll(void);
 327 extern int mpc52xx_lpbfifo_start_xfer(struct mpc52xx_lpbfifo_request *req);
 328
 329 /* mpc52xx_pic.c */
 330 extern void mpc52xx_init_irq(void);
 331 extern unsigned int mpc52xx_get_irq(void);
 332
 333 /* mpc52xx_pci.c */
 334 #ifdef CONFIG_PCI
 335 extern int __init mpc52xx_add_bridge(struct device_node *node);
 336 extern void __init mpc52xx_setup_pci(void);
 337 #else
 338 static inline void mpc52xx_setup_pci(void) { }
 339 #endif
 340
 341 #endif /* __ASSEMBLY__ */
 342
 343 #ifdef CONFIG_PM
 344 struct mpc52xx_suspend {
 345         void (*board_suspend_prepare)(void __iomem *mbar);
 346         void (*board_resume_finish)(void __iomem *mbar);
 347 };
 348
 349 extern struct mpc52xx_suspend mpc52xx_suspend;
 350 extern int __init mpc52xx_pm_init(void);
 351 extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level);
 352
 353 #ifdef CONFIG_PPC_LITE5200
 354 extern int __init lite5200_pm_init(void);
 355
 356 /* lite5200 calls mpc5200 suspend functions, so here they are */
 357 extern int mpc52xx_pm_prepare(void);
 358 extern int mpc52xx_pm_enter(suspend_state_t);
 359 extern void mpc52xx_pm_finish(void);
 360 extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */
 361 #endif
 362 #endif /* CONFIG_PM */
 363
 364 #endif /* __ASM_POWERPC_MPC52xx_H__ */
 365