/* * Prototypes, etc. for the Freescale MPC52xx embedded cpu chips * May need to be cleaned as the port goes on ... * * Copyright (C) 2004-2005 Sylvain Munaut * Copyright (C) 2003 MontaVista, Software, Inc. * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ #ifndef __ASM_POWERPC_MPC52xx_H__ #define __ASM_POWERPC_MPC52xx_H__ #ifndef __ASSEMBLY__ #include #include #include #endif /* __ASSEMBLY__ */ #include /* Variants of the 5200(B) */ #define MPC5200_SVR 0x80110010 #define MPC5200_SVR_MASK 0xfffffff0 #define MPC5200B_SVR 0x80110020 #define MPC5200B_SVR_MASK 0xfffffff0 /* ======================================================================== */ /* Structures mapping of some unit register set */ /* ======================================================================== */ #ifndef __ASSEMBLY__ /* Memory Mapping Control */ struct mpc52xx_mmap_ctl { u32 mbar; /* MMAP_CTRL + 0x00 */ u32 cs0_start; /* MMAP_CTRL + 0x04 */ u32 cs0_stop; /* MMAP_CTRL + 0x08 */ u32 cs1_start; /* MMAP_CTRL + 0x0c */ u32 cs1_stop; /* MMAP_CTRL + 0x10 */ u32 cs2_start; /* MMAP_CTRL + 0x14 */ u32 cs2_stop; /* MMAP_CTRL + 0x18 */ u32 cs3_start; /* MMAP_CTRL + 0x1c */ u32 cs3_stop; /* MMAP_CTRL + 0x20 */ u32 cs4_start; /* MMAP_CTRL + 0x24 */ u32 cs4_stop; /* MMAP_CTRL + 0x28 */ u32 cs5_start; /* MMAP_CTRL + 0x2c */ u32 cs5_stop; /* MMAP_CTRL + 0x30 */ u32 sdram0; /* MMAP_CTRL + 0x34 */ u32 sdram1; /* MMAP_CTRL + 0X38 */ u32 reserved[4]; /* MMAP_CTRL + 0x3c .. 0x48 */ u32 boot_start; /* MMAP_CTRL + 0x4c */ u32 boot_stop; /* MMAP_CTRL + 0x50 */ u32 ipbi_ws_ctrl; /* MMAP_CTRL + 0x54 */ u32 cs6_start; /* MMAP_CTRL + 0x58 */ u32 cs6_stop; /* MMAP_CTRL + 0x5c */ u32 cs7_start; /* MMAP_CTRL + 0x60 */ u32 cs7_stop; /* MMAP_CTRL + 0x64 */ }; /* SDRAM control */ struct mpc52xx_sdram { u32 mode; /* SDRAM + 0x00 */ u32 ctrl; /* SDRAM + 0x04 */ u32 config1; /* SDRAM + 0x08 */ u32 config2; /* SDRAM + 0x0c */ }; /* SDMA */ struct mpc52xx_sdma { u32 taskBar; /* SDMA + 0x00 */ u32 currentPointer; /* SDMA + 0x04 */ u32 endPointer; /* SDMA + 0x08 */ u32 variablePointer; /* SDMA + 0x0c */ u8 IntVect1; /* SDMA + 0x10 */ u8 IntVect2; /* SDMA + 0x11 */ u16 PtdCntrl; /* SDMA + 0x12 */ u32 IntPend; /* SDMA + 0x14 */ u32 IntMask; /* SDMA + 0x18 */ u16 tcr[16]; /* SDMA + 0x1c .. 0x3a */ u8 ipr[32]; /* SDMA + 0x3c .. 0x5b */ u32 cReqSelect; /* SDMA + 0x5c */ u32 task_size0; /* SDMA + 0x60 */ u32 task_size1; /* SDMA + 0x64 */ u32 MDEDebug; /* SDMA + 0x68 */ u32 ADSDebug; /* SDMA + 0x6c */ u32 Value1; /* SDMA + 0x70 */ u32 Value2; /* SDMA + 0x74 */ u32 Control; /* SDMA + 0x78 */ u32 Status; /* SDMA + 0x7c */ u32 PTDDebug; /* SDMA + 0x80 */ }; /* GPT */ struct mpc52xx_gpt { u32 mode; /* GPTx + 0x00 */ u32 count; /* GPTx + 0x04 */ u32 pwm; /* GPTx + 0x08 */ u32 status; /* GPTx + 0X0c */ }; /* GPIO */ struct mpc52xx_gpio { u32 port_config; /* GPIO + 0x00 */ u32 simple_gpioe; /* GPIO + 0x04 */ u32 simple_ode; /* GPIO + 0x08 */ u32 simple_ddr; /* GPIO + 0x0c */ u32 simple_dvo; /* GPIO + 0x10 */ u32 simple_ival; /* GPIO + 0x14 */ u8 outo_gpioe; /* GPIO + 0x18 */ u8 reserved1[3]; /* GPIO + 0x19 */ u8 outo_dvo; /* GPIO + 0x1c */ u8 reserved2[3]; /* GPIO + 0x1d */ u8 sint_gpioe; /* GPIO + 0x20 */ u8 reserved3[3]; /* GPIO + 0x21 */ u8 sint_ode; /* GPIO + 0x24 */ u8 reserved4[3]; /* GPIO + 0x25 */ u8 sint_ddr; /* GPIO + 0x28 */ u8 reserved5[3]; /* GPIO + 0x29 */ u8 sint_dvo; /* GPIO + 0x2c */ u8 reserved6[3]; /* GPIO + 0x2d */ u8 sint_inten; /* GPIO + 0x30 */ u8 reserved7[3]; /* GPIO + 0x31 */ u16 sint_itype; /* GPIO + 0x34 */ u16 reserved8; /* GPIO + 0x36 */ u8 gpio_control; /* GPIO + 0x38 */ u8 reserved9[3]; /* GPIO + 0x39 */ u8 sint_istat; /* GPIO + 0x3c */ u8 sint_ival; /* GPIO + 0x3d */ u8 bus_errs; /* GPIO + 0x3e */ u8 reserved10; /* GPIO + 0x3f */ }; #define MPC52xx_GPIO_PSC_CONFIG_UART_WITHOUT_CD 4 #define MPC52xx_GPIO_PSC_CONFIG_UART_WITH_CD 5 #define MPC52xx_GPIO_PCI_DIS (1<<15) /* GPIO with WakeUp*/ struct mpc52xx_gpio_wkup { u8 wkup_gpioe; /* GPIO_WKUP + 0x00 */ u8 reserved1[3]; /* GPIO_WKUP + 0x03 */ u8 wkup_ode; /* GPIO_WKUP + 0x04 */ u8 reserved2[3]; /* GPIO_WKUP + 0x05 */ u8 wkup_ddr; /* GPIO_WKUP + 0x08 */ u8 reserved3[3]; /* GPIO_WKUP + 0x09 */ u8 wkup_dvo; /* GPIO_WKUP + 0x0C */ u8 reserved4[3]; /* GPIO_WKUP + 0x0D */ u8 wkup_inten; /* GPIO_WKUP + 0x10 */ u8 reserved5[3]; /* GPIO_WKUP + 0x11 */ u8 wkup_iinten; /* GPIO_WKUP + 0x14 */ u8 reserved6[3]; /* GPIO_WKUP + 0x15 */ u16 wkup_itype; /* GPIO_WKUP + 0x18 */ u8 reserved7[2]; /* GPIO_WKUP + 0x1A */ u8 wkup_maste; /* GPIO_WKUP + 0x1C */ u8 reserved8[3]; /* GPIO_WKUP + 0x1D */ u8 wkup_ival; /* GPIO_WKUP + 0x20 */ u8 reserved9[3]; /* GPIO_WKUP + 0x21 */ u8 wkup_istat; /* GPIO_WKUP + 0x24 */ u8 reserved10[3]; /* GPIO_WKUP + 0x25 */ }; /* XLB Bus control */ struct mpc52xx_xlb { u8 reserved[0x40]; u32 config; /* XLB + 0x40 */ u32 version; /* XLB + 0x44 */ u32 status; /* XLB + 0x48 */ u32 int_enable; /* XLB + 0x4c */ u32 addr_capture; /* XLB + 0x50 */ u32 bus_sig_capture; /* XLB + 0x54 */ u32 addr_timeout; /* XLB + 0x58 */ u32 data_timeout; /* XLB + 0x5c */ u32 bus_act_timeout; /* XLB + 0x60 */ u32 master_pri_enable; /* XLB + 0x64 */ u32 master_priority; /* XLB + 0x68 */ u32 base_address; /* XLB + 0x6c */ u32 snoop_window; /* XLB + 0x70 */ }; #define MPC52xx_XLB_CFG_PLDIS (1 << 31) #define MPC52xx_XLB_CFG_SNOOP (1 << 15) /* Clock Distribution control */ struct mpc52xx_cdm { u32 jtag_id; /* CDM + 0x00 reg0 read only */ u32 rstcfg; /* CDM + 0x04 reg1 read only */ u32 breadcrumb; /* CDM + 0x08 reg2 */ u8 mem_clk_sel; /* CDM + 0x0c reg3 byte0 */ u8 xlb_clk_sel; /* CDM + 0x0d reg3 byte1 read only */ u8 ipb_clk_sel; /* CDM + 0x0e reg3 byte2 */ u8 pci_clk_sel; /* CDM + 0x0f reg3 byte3 */ u8 ext_48mhz_en; /* CDM + 0x10 reg4 byte0 */ u8 fd_enable; /* CDM + 0x11 reg4 byte1 */ u16 fd_counters; /* CDM + 0x12 reg4 byte2,3 */ u32 clk_enables; /* CDM + 0x14 reg5 */ u8 osc_disable; /* CDM + 0x18 reg6 byte0 */ u8 reserved0[3]; /* CDM + 0x19 reg6 byte1,2,3 */ u8 ccs_sleep_enable; /* CDM + 0x1c reg7 byte0 */ u8 osc_sleep_enable; /* CDM + 0x1d reg7 byte1 */ u8 reserved1; /* CDM + 0x1e reg7 byte2 */ u8 ccs_qreq_test; /* CDM + 0x1f reg7 byte3 */ u8 soft_reset; /* CDM + 0x20 u8 byte0 */ u8 no_ckstp; /* CDM + 0x21 u8 byte0 */ u8 reserved2[2]; /* CDM + 0x22 u8 byte1,2,3 */ u8 pll_lock; /* CDM + 0x24 reg9 byte0 */ u8 pll_looselock; /* CDM + 0x25 reg9 byte1 */ u8 pll_sm_lockwin; /* CDM + 0x26 reg9 byte2 */ u8 reserved3; /* CDM + 0x27 reg9 byte3 */ u16 reserved4; /* CDM + 0x28 reg10 byte0,1 */ u16 mclken_div_psc1; /* CDM + 0x2a reg10 byte2,3 */ u16 reserved5; /* CDM + 0x2c reg11 byte0,1 */ u16 mclken_div_psc2; /* CDM + 0x2e reg11 byte2,3 */ u16 reserved6; /* CDM + 0x30 reg12 byte0,1 */ u16 mclken_div_psc3; /* CDM + 0x32 reg12 byte2,3 */ u16 reserved7; /* CDM + 0x34 reg13 byte0,1 */ u16 mclken_div_psc6; /* CDM + 0x36 reg13 byte2,3 */ }; /* Interrupt controller Register set */ struct mpc52xx_intr { u32 per_mask; /* INTR + 0x00 */ u32 per_pri1; /* INTR + 0x04 */ u32 per_pri2; /* INTR + 0x08 */ u32 per_pri3; /* INTR + 0x0c */ u32 ctrl; /* INTR + 0x10 */ u32 main_mask; /* INTR + 0x14 */ u32 main_pri1; /* INTR + 0x18 */ u32 main_pri2; /* INTR + 0x1c */ u32 reserved1; /* INTR + 0x20 */ u32 enc_status; /* INTR + 0x24 */ u32 crit_status; /* INTR + 0x28 */ u32 main_status; /* INTR + 0x2c */ u32 per_status; /* INTR + 0x30 */ u32 reserved2; /* INTR + 0x34 */ u32 per_error; /* INTR + 0x38 */ }; #endif /* __ASSEMBLY__ */ /* ========================================================================= */ /* Prototypes for MPC52xx sysdev */ /* ========================================================================= */ #ifndef __ASSEMBLY__ /* mpc52xx_common.c */ extern void mpc5200_setup_xlb_arbiter(void); extern void mpc52xx_declare_of_platform_devices(void); extern int mpc5200_psc_ac97_gpio_reset(int psc_number); extern void mpc52xx_map_common_devices(void); extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv); extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node); extern void mpc52xx_restart(char *cmd); /* mpc52xx_gpt.c */ struct mpc52xx_gpt_priv; extern struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq); extern int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, int continuous); extern u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt); extern int mpc52xx_gpt_stop_timer(struct mpc52xx_gpt_priv *gpt); /* mpc52xx_lpbfifo.c */ #define MPC52XX_LPBFIFO_FLAG_READ (0) #define MPC52XX_LPBFIFO_FLAG_WRITE (1<<0) #define MPC52XX_LPBFIFO_FLAG_NO_INCREMENT (1<<1) #define MPC52XX_LPBFIFO_FLAG_NO_DMA (1<<2) #define MPC52XX_LPBFIFO_FLAG_POLL_DMA (1<<3) struct mpc52xx_lpbfifo_request { struct list_head list; /* localplus bus address */ unsigned int cs; size_t offset; /* Memory address */ void *data; phys_addr_t data_phys; /* Details of transfer */ size_t size; size_t pos; /* current position of transfer */ int flags; /* What to do when finished */ void (*callback)(struct mpc52xx_lpbfifo_request *); void *priv; /* Driver private data */ /* statistics */ int irq_count; int irq_ticks; u8 last_byte; int buffer_not_done_cnt; }; extern int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req); extern void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req); extern void mpc52xx_lpbfifo_poll(void); /* mpc52xx_pic.c */ extern void mpc52xx_init_irq(void); extern unsigned int mpc52xx_get_irq(void); /* mpc52xx_pci.c */ #ifdef CONFIG_PCI extern int __init mpc52xx_add_bridge(struct device_node *node); extern void __init mpc52xx_setup_pci(void); #else static inline void mpc52xx_setup_pci(void) { } #endif #endif /* __ASSEMBLY__ */ #ifdef CONFIG_PM struct mpc52xx_suspend { void (*board_suspend_prepare)(void __iomem *mbar); void (*board_resume_finish)(void __iomem *mbar); }; extern struct mpc52xx_suspend mpc52xx_suspend; extern int __init mpc52xx_pm_init(void); extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level); #ifdef CONFIG_PPC_LITE5200 extern int __init lite5200_pm_init(void); /* lite5200 calls mpc5200 suspend functions, so here they are */ extern int mpc52xx_pm_prepare(void); extern int mpc52xx_pm_enter(suspend_state_t); extern void mpc52xx_pm_finish(void); extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */ #endif #endif /* CONFIG_PM */ #endif /* __ASM_POWERPC_MPC52xx_H__ */