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 */ 37struct 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 */ 70struct 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 */ 78struct 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 */ 108struct 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 */ 116struct 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*/ 152struct 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 */ 176struct 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 */ 197struct 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 */ 244struct 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 */ 272extern void mpc5200_setup_xlb_arbiter(void); 273extern void mpc52xx_declare_of_platform_devices(void); 274extern int mpc5200_psc_ac97_gpio_reset(int psc_number); 275extern void mpc52xx_map_common_devices(void); 276extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv); 277extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node); 278extern void mpc52xx_restart(char *cmd); 279 280/* mpc52xx_gpt.c */ 281struct mpc52xx_gpt_priv; 282extern struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq); 283extern int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, 284 int continuous); 285extern u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt); 286extern 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 295struct 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 324extern int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req); 325extern void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req); 326extern void mpc52xx_lpbfifo_poll(void); 327extern int mpc52xx_lpbfifo_start_xfer(struct mpc52xx_lpbfifo_request *req); 328 329/* mpc52xx_pic.c */ 330extern void mpc52xx_init_irq(void); 331extern unsigned int mpc52xx_get_irq(void); 332 333/* mpc52xx_pci.c */ 334#ifdef CONFIG_PCI 335extern int __init mpc52xx_add_bridge(struct device_node *node); 336extern void __init mpc52xx_setup_pci(void); 337#else 338static inline void mpc52xx_setup_pci(void) { } 339#endif 340 341#endif /* __ASSEMBLY__ */ 342 343#ifdef CONFIG_PM 344struct mpc52xx_suspend { 345 void (*board_suspend_prepare)(void __iomem *mbar); 346 void (*board_resume_finish)(void __iomem *mbar); 347}; 348 349extern struct mpc52xx_suspend mpc52xx_suspend; 350extern int __init mpc52xx_pm_init(void); 351extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level); 352 353#ifdef CONFIG_PPC_LITE5200 354extern int __init lite5200_pm_init(void); 355 356/* lite5200 calls mpc5200 suspend functions, so here they are */ 357extern int mpc52xx_pm_prepare(void); 358extern int mpc52xx_pm_enter(suspend_state_t); 359extern void mpc52xx_pm_finish(void); 360extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */ 361#endif 362#endif /* CONFIG_PM */ 363 364#endif /* __ASM_POWERPC_MPC52xx_H__ */ 365 366