include/asm-powerpc/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 #endif /* __ASSEMBLY__ */
  20
  21 #include <linux/suspend.h>
  22
  23
  24 /* ======================================================================== */
  25 /* Structures mapping of some unit register set                             */
  26 /* ======================================================================== */
  27
  28 #ifndef __ASSEMBLY__
  29
  30 /* Memory Mapping Control */
  31 struct mpc52xx_mmap_ctl {
  32         u32 mbar;               /* MMAP_CTRL + 0x00 */
  33
  34         u32 cs0_start;          /* MMAP_CTRL + 0x04 */
  35         u32 cs0_stop;           /* MMAP_CTRL + 0x08 */
  36         u32 cs1_start;          /* MMAP_CTRL + 0x0c */
  37         u32 cs1_stop;           /* MMAP_CTRL + 0x10 */
  38         u32 cs2_start;          /* MMAP_CTRL + 0x14 */
  39         u32 cs2_stop;           /* MMAP_CTRL + 0x18 */
  40         u32 cs3_start;          /* MMAP_CTRL + 0x1c */
  41         u32 cs3_stop;           /* MMAP_CTRL + 0x20 */
  42         u32 cs4_start;          /* MMAP_CTRL + 0x24 */
  43         u32 cs4_stop;           /* MMAP_CTRL + 0x28 */
  44         u32 cs5_start;          /* MMAP_CTRL + 0x2c */
  45         u32 cs5_stop;           /* MMAP_CTRL + 0x30 */
  46
  47         u32 sdram0;             /* MMAP_CTRL + 0x34 */
  48         u32 sdram1;             /* MMAP_CTRL + 0X38 */
  49
  50         u32 reserved[4];        /* MMAP_CTRL + 0x3c .. 0x48 */
  51
  52         u32 boot_start;         /* MMAP_CTRL + 0x4c */
  53         u32 boot_stop;          /* MMAP_CTRL + 0x50 */
  54
  55         u32 ipbi_ws_ctrl;       /* MMAP_CTRL + 0x54 */
  56
  57         u32 cs6_start;          /* MMAP_CTRL + 0x58 */
  58         u32 cs6_stop;           /* MMAP_CTRL + 0x5c */
  59         u32 cs7_start;          /* MMAP_CTRL + 0x60 */
  60         u32 cs7_stop;           /* MMAP_CTRL + 0x64 */
  61 };
  62
  63 /* SDRAM control */
  64 struct mpc52xx_sdram {
  65         u32 mode;               /* SDRAM + 0x00 */
  66         u32 ctrl;               /* SDRAM + 0x04 */
  67         u32 config1;            /* SDRAM + 0x08 */
  68         u32 config2;            /* SDRAM + 0x0c */
  69 };
  70
  71 /* SDMA */
  72 struct mpc52xx_sdma {
  73         u32 taskBar;            /* SDMA + 0x00 */
  74         u32 currentPointer;     /* SDMA + 0x04 */
  75         u32 endPointer;         /* SDMA + 0x08 */
  76         u32 variablePointer;    /* SDMA + 0x0c */
  77
  78         u8 IntVect1;            /* SDMA + 0x10 */
  79         u8 IntVect2;            /* SDMA + 0x11 */
  80         u16 PtdCntrl;           /* SDMA + 0x12 */
  81
  82         u32 IntPend;            /* SDMA + 0x14 */
  83         u32 IntMask;            /* SDMA + 0x18 */
  84
  85         u16 tcr[16];            /* SDMA + 0x1c .. 0x3a */
  86
  87         u8 ipr[32];             /* SDMA + 0x3c .. 0x5b */
  88
  89         u32 cReqSelect;         /* SDMA + 0x5c */
  90         u32 task_size0;         /* SDMA + 0x60 */
  91         u32 task_size1;         /* SDMA + 0x64 */
  92         u32 MDEDebug;           /* SDMA + 0x68 */
  93         u32 ADSDebug;           /* SDMA + 0x6c */
  94         u32 Value1;             /* SDMA + 0x70 */
  95         u32 Value2;             /* SDMA + 0x74 */
  96         u32 Control;            /* SDMA + 0x78 */
  97         u32 Status;             /* SDMA + 0x7c */
  98         u32 PTDDebug;           /* SDMA + 0x80 */
  99 };
 100
 101 /* GPT */
 102 struct mpc52xx_gpt {
 103         u32 mode;               /* GPTx + 0x00 */
 104         u32 count;              /* GPTx + 0x04 */
 105         u32 pwm;                /* GPTx + 0x08 */
 106         u32 status;             /* GPTx + 0X0c */
 107 };
 108
 109 /* GPIO */
 110 struct mpc52xx_gpio {
 111         u32 port_config;        /* GPIO + 0x00 */
 112         u32 simple_gpioe;       /* GPIO + 0x04 */
 113         u32 simple_ode;         /* GPIO + 0x08 */
 114         u32 simple_ddr;         /* GPIO + 0x0c */
 115         u32 simple_dvo;         /* GPIO + 0x10 */
 116         u32 simple_ival;        /* GPIO + 0x14 */
 117         u8 outo_gpioe;          /* GPIO + 0x18 */
 118         u8 reserved1[3];        /* GPIO + 0x19 */
 119         u8 outo_dvo;            /* GPIO + 0x1c */
 120         u8 reserved2[3];        /* GPIO + 0x1d */
 121         u8 sint_gpioe;          /* GPIO + 0x20 */
 122         u8 reserved3[3];        /* GPIO + 0x21 */
 123         u8 sint_ode;            /* GPIO + 0x24 */
 124         u8 reserved4[3];        /* GPIO + 0x25 */
 125         u8 sint_ddr;            /* GPIO + 0x28 */
 126         u8 reserved5[3];        /* GPIO + 0x29 */
 127         u8 sint_dvo;            /* GPIO + 0x2c */
 128         u8 reserved6[3];        /* GPIO + 0x2d */
 129         u8 sint_inten;          /* GPIO + 0x30 */
 130         u8 reserved7[3];        /* GPIO + 0x31 */
 131         u16 sint_itype;         /* GPIO + 0x34 */
 132         u16 reserved8;          /* GPIO + 0x36 */
 133         u8 gpio_control;        /* GPIO + 0x38 */
 134         u8 reserved9[3];        /* GPIO + 0x39 */
 135         u8 sint_istat;          /* GPIO + 0x3c */
 136         u8 sint_ival;           /* GPIO + 0x3d */
 137         u8 bus_errs;            /* GPIO + 0x3e */
 138         u8 reserved10;          /* GPIO + 0x3f */
 139 };
 140
 141 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4
 142 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD    5
 143 #define MPC52xx_GPIO_PCI_DIS                    (1<<15)
 144
 145 /* GPIO with WakeUp*/
 146 struct mpc52xx_gpio_wkup {
 147         u8 wkup_gpioe;          /* GPIO_WKUP + 0x00 */
 148         u8 reserved1[3];        /* GPIO_WKUP + 0x03 */
 149         u8 wkup_ode;            /* GPIO_WKUP + 0x04 */
 150         u8 reserved2[3];        /* GPIO_WKUP + 0x05 */
 151         u8 wkup_ddr;            /* GPIO_WKUP + 0x08 */
 152         u8 reserved3[3];        /* GPIO_WKUP + 0x09 */
 153         u8 wkup_dvo;            /* GPIO_WKUP + 0x0C */
 154         u8 reserved4[3];        /* GPIO_WKUP + 0x0D */
 155         u8 wkup_inten;          /* GPIO_WKUP + 0x10 */
 156         u8 reserved5[3];        /* GPIO_WKUP + 0x11 */
 157         u8 wkup_iinten;         /* GPIO_WKUP + 0x14 */
 158         u8 reserved6[3];        /* GPIO_WKUP + 0x15 */
 159         u16 wkup_itype;         /* GPIO_WKUP + 0x18 */
 160         u8 reserved7[2];        /* GPIO_WKUP + 0x1A */
 161         u8 wkup_maste;          /* GPIO_WKUP + 0x1C */
 162         u8 reserved8[3];        /* GPIO_WKUP + 0x1D */
 163         u8 wkup_ival;           /* GPIO_WKUP + 0x20 */
 164         u8 reserved9[3];        /* GPIO_WKUP + 0x21 */
 165         u8 wkup_istat;          /* GPIO_WKUP + 0x24 */
 166         u8 reserved10[3];       /* GPIO_WKUP + 0x25 */
 167 };
 168
 169 /* XLB Bus control */
 170 struct mpc52xx_xlb {
 171         u8 reserved[0x40];
 172         u32 config;             /* XLB + 0x40 */
 173         u32 version;            /* XLB + 0x44 */
 174         u32 status;             /* XLB + 0x48 */
 175         u32 int_enable;         /* XLB + 0x4c */
 176         u32 addr_capture;       /* XLB + 0x50 */
 177         u32 bus_sig_capture;    /* XLB + 0x54 */
 178         u32 addr_timeout;       /* XLB + 0x58 */
 179         u32 data_timeout;       /* XLB + 0x5c */
 180         u32 bus_act_timeout;    /* XLB + 0x60 */
 181         u32 master_pri_enable;  /* XLB + 0x64 */
 182         u32 master_priority;    /* XLB + 0x68 */
 183         u32 base_address;       /* XLB + 0x6c */
 184         u32 snoop_window;       /* XLB + 0x70 */
 185 };
 186
 187 #define MPC52xx_XLB_CFG_PLDIS           (1 << 31)
 188 #define MPC52xx_XLB_CFG_SNOOP           (1 << 15)
 189
 190 /* Clock Distribution control */
 191 struct mpc52xx_cdm {
 192         u32 jtag_id;            /* CDM + 0x00  reg0 read only */
 193         u32 rstcfg;             /* CDM + 0x04  reg1 read only */
 194         u32 breadcrumb;         /* CDM + 0x08  reg2 */
 195
 196         u8 mem_clk_sel;         /* CDM + 0x0c  reg3 byte0 */
 197         u8 xlb_clk_sel;         /* CDM + 0x0d  reg3 byte1 read only */
 198         u8 ipb_clk_sel;         /* CDM + 0x0e  reg3 byte2 */
 199         u8 pci_clk_sel;         /* CDM + 0x0f  reg3 byte3 */
 200
 201         u8 ext_48mhz_en;        /* CDM + 0x10  reg4 byte0 */
 202         u8 fd_enable;           /* CDM + 0x11  reg4 byte1 */
 203         u16 fd_counters;        /* CDM + 0x12  reg4 byte2,3 */
 204
 205         u32 clk_enables;        /* CDM + 0x14  reg5 */
 206
 207         u8 osc_disable;         /* CDM + 0x18  reg6 byte0 */
 208         u8 reserved0[3];        /* CDM + 0x19  reg6 byte1,2,3 */
 209
 210         u8 ccs_sleep_enable;    /* CDM + 0x1c  reg7 byte0 */
 211         u8 osc_sleep_enable;    /* CDM + 0x1d  reg7 byte1 */
 212         u8 reserved1;           /* CDM + 0x1e  reg7 byte2 */
 213         u8 ccs_qreq_test;       /* CDM + 0x1f  reg7 byte3 */
 214
 215         u8 soft_reset;          /* CDM + 0x20  u8 byte0 */
 216         u8 no_ckstp;            /* CDM + 0x21  u8 byte0 */
 217         u8 reserved2[2];        /* CDM + 0x22  u8 byte1,2,3 */
 218
 219         u8 pll_lock;            /* CDM + 0x24  reg9 byte0 */
 220         u8 pll_looselock;       /* CDM + 0x25  reg9 byte1 */
 221         u8 pll_sm_lockwin;      /* CDM + 0x26  reg9 byte2 */
 222         u8 reserved3;           /* CDM + 0x27  reg9 byte3 */
 223
 224         u16 reserved4;          /* CDM + 0x28  reg10 byte0,1 */
 225         u16 mclken_div_psc1;    /* CDM + 0x2a  reg10 byte2,3 */
 226
 227         u16 reserved5;          /* CDM + 0x2c  reg11 byte0,1 */
 228         u16 mclken_div_psc2;    /* CDM + 0x2e  reg11 byte2,3 */
 229
 230         u16 reserved6;          /* CDM + 0x30  reg12 byte0,1 */
 231         u16 mclken_div_psc3;    /* CDM + 0x32  reg12 byte2,3 */
 232
 233         u16 reserved7;          /* CDM + 0x34  reg13 byte0,1 */
 234         u16 mclken_div_psc6;    /* CDM + 0x36  reg13 byte2,3 */
 235 };
 236
 237 #endif /* __ASSEMBLY__ */
 238
 239
 240 /* ========================================================================= */
 241 /* Prototypes for MPC52xx sysdev                                             */
 242 /* ========================================================================= */
 243
 244 #ifndef __ASSEMBLY__
 245
 246 extern void __iomem * mpc52xx_find_and_map(const char *);
 247 extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node);
 248 extern void mpc5200_setup_xlb_arbiter(void);
 249 extern void mpc52xx_declare_of_platform_devices(void);
 250
 251 extern void mpc52xx_init_irq(void);
 252 extern unsigned int mpc52xx_get_irq(void);
 253
 254 extern int __init mpc52xx_add_bridge(struct device_node *node);
 255
 256 #endif /* __ASSEMBLY__ */
 257
 258 #ifdef CONFIG_PM
 259 struct mpc52xx_suspend {
 260         void (*board_suspend_prepare)(void __iomem *mbar);
 261         void (*board_resume_finish)(void __iomem *mbar);
 262 };
 263
 264 extern struct mpc52xx_suspend mpc52xx_suspend;
 265 extern int __init mpc52xx_pm_init(void);
 266 extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level);
 267
 268 #ifdef CONFIG_PPC_LITE5200
 269 extern int __init lite5200_pm_init(void);
 270
 271 /* lite5200 calls mpc5200 suspend functions, so here they are */
 272 extern int mpc52xx_pm_prepare(void);
 273 extern int mpc52xx_pm_enter(suspend_state_t);
 274 extern void mpc52xx_pm_finish(void);
 275 extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */
 276 #endif
 277 #endif /* CONFIG_PM */
 278
 279 #endif /* __ASM_POWERPC_MPC52xx_H__ */
 280