/* * include/asm-ppc/mv64x60.h * * Prototypes, etc. for the Marvell/Galileo MV64x60 host bridge routines. * * Author: Mark A. Greer <mgreer@mvista.com> * * 2001-2002 (c) 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 __ASMPPC_MV64x60_H #define __ASMPPC_MV64x60_H #include <linux/kernel.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/config.h> #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <asm/mv64x60_defs.h> struct platform_device; extern u8 mv64x60_pci_exclude_bridge; extern spinlock_t mv64x60_lock; /* 32-bit Window table entry defines */ #define MV64x60_CPU2MEM_0_WIN 0 #define MV64x60_CPU2MEM_1_WIN 1 #define MV64x60_CPU2MEM_2_WIN 2 #define MV64x60_CPU2MEM_3_WIN 3 #define MV64x60_CPU2DEV_0_WIN 4 #define MV64x60_CPU2DEV_1_WIN 5 #define MV64x60_CPU2DEV_2_WIN 6 #define MV64x60_CPU2DEV_3_WIN 7 #define MV64x60_CPU2BOOT_WIN 8 #define MV64x60_CPU2PCI0_IO_WIN 9 #define MV64x60_CPU2PCI0_MEM_0_WIN 10 #define MV64x60_CPU2PCI0_MEM_1_WIN 11 #define MV64x60_CPU2PCI0_MEM_2_WIN 12 #define MV64x60_CPU2PCI0_MEM_3_WIN 13 #define MV64x60_CPU2PCI1_IO_WIN 14 #define MV64x60_CPU2PCI1_MEM_0_WIN 15 #define MV64x60_CPU2PCI1_MEM_1_WIN 16 #define MV64x60_CPU2PCI1_MEM_2_WIN 17 #define MV64x60_CPU2PCI1_MEM_3_WIN 18 #define MV64x60_CPU2SRAM_WIN 19 #define MV64x60_CPU2PCI0_IO_REMAP_WIN 20 #define MV64x60_CPU2PCI1_IO_REMAP_WIN 21 #define MV64x60_CPU_PROT_0_WIN 22 #define MV64x60_CPU_PROT_1_WIN 23 #define MV64x60_CPU_PROT_2_WIN 24 #define MV64x60_CPU_PROT_3_WIN 25 #define MV64x60_CPU_SNOOP_0_WIN 26 #define MV64x60_CPU_SNOOP_1_WIN 27 #define MV64x60_CPU_SNOOP_2_WIN 28 #define MV64x60_CPU_SNOOP_3_WIN 29 #define MV64x60_PCI02MEM_REMAP_0_WIN 30 #define MV64x60_PCI02MEM_REMAP_1_WIN 31 #define MV64x60_PCI02MEM_REMAP_2_WIN 32 #define MV64x60_PCI02MEM_REMAP_3_WIN 33 #define MV64x60_PCI12MEM_REMAP_0_WIN 34 #define MV64x60_PCI12MEM_REMAP_1_WIN 35 #define MV64x60_PCI12MEM_REMAP_2_WIN 36 #define MV64x60_PCI12MEM_REMAP_3_WIN 37 #define MV64x60_ENET2MEM_0_WIN 38 #define MV64x60_ENET2MEM_1_WIN 39 #define MV64x60_ENET2MEM_2_WIN 40 #define MV64x60_ENET2MEM_3_WIN 41 #define MV64x60_ENET2MEM_4_WIN 42 #define MV64x60_ENET2MEM_5_WIN 43 #define MV64x60_MPSC2MEM_0_WIN 44 #define MV64x60_MPSC2MEM_1_WIN 45 #define MV64x60_MPSC2MEM_2_WIN 46 #define MV64x60_MPSC2MEM_3_WIN 47 #define MV64x60_IDMA2MEM_0_WIN 48 #define MV64x60_IDMA2MEM_1_WIN 49 #define MV64x60_IDMA2MEM_2_WIN 50 #define MV64x60_IDMA2MEM_3_WIN 51 #define MV64x60_IDMA2MEM_4_WIN 52 #define MV64x60_IDMA2MEM_5_WIN 53 #define MV64x60_IDMA2MEM_6_WIN 54 #define MV64x60_IDMA2MEM_7_WIN 55 #define MV64x60_32BIT_WIN_COUNT 56 /* 64-bit Window table entry defines */ #define MV64x60_CPU2PCI0_MEM_0_REMAP_WIN 0 #define MV64x60_CPU2PCI0_MEM_1_REMAP_WIN 1 #define MV64x60_CPU2PCI0_MEM_2_REMAP_WIN 2 #define MV64x60_CPU2PCI0_MEM_3_REMAP_WIN 3 #define MV64x60_CPU2PCI1_MEM_0_REMAP_WIN 4 #define MV64x60_CPU2PCI1_MEM_1_REMAP_WIN 5 #define MV64x60_CPU2PCI1_MEM_2_REMAP_WIN 6 #define MV64x60_CPU2PCI1_MEM_3_REMAP_WIN 7 #define MV64x60_PCI02MEM_ACC_CNTL_0_WIN 8 #define MV64x60_PCI02MEM_ACC_CNTL_1_WIN 9 #define MV64x60_PCI02MEM_ACC_CNTL_2_WIN 10 #define MV64x60_PCI02MEM_ACC_CNTL_3_WIN 11 #define MV64x60_PCI12MEM_ACC_CNTL_0_WIN 12 #define MV64x60_PCI12MEM_ACC_CNTL_1_WIN 13 #define MV64x60_PCI12MEM_ACC_CNTL_2_WIN 14 #define MV64x60_PCI12MEM_ACC_CNTL_3_WIN 15 #define MV64x60_PCI02MEM_SNOOP_0_WIN 16 #define MV64x60_PCI02MEM_SNOOP_1_WIN 17 #define MV64x60_PCI02MEM_SNOOP_2_WIN 18 #define MV64x60_PCI02MEM_SNOOP_3_WIN 19 #define MV64x60_PCI12MEM_SNOOP_0_WIN 20 #define MV64x60_PCI12MEM_SNOOP_1_WIN 21 #define MV64x60_PCI12MEM_SNOOP_2_WIN 22 #define MV64x60_PCI12MEM_SNOOP_3_WIN 23 #define MV64x60_64BIT_WIN_COUNT 24 /* Watchdog Platform Device, Driver Data */ #define MV64x60_WDT_NAME "wdt" struct mv64x60_wdt_pdata { int timeout; /* watchdog expiry in seconds, default 10 */ int bus_clk; /* bus clock in MHz, default 133 */ }; /* * Define a structure that's used to pass in config information to the * core routines. */ struct mv64x60_pci_window { u32 cpu_base; u32 pci_base_hi; u32 pci_base_lo; u32 size; u32 swap; }; struct mv64x60_pci_info { u8 enable_bus; /* allow access to this PCI bus? */ struct mv64x60_pci_window pci_io; struct mv64x60_pci_window pci_mem[3]; u32 acc_cntl_options[MV64x60_CPU2MEM_WINDOWS]; u32 snoop_options[MV64x60_CPU2MEM_WINDOWS]; u16 pci_cmd_bits; u16 latency_timer; }; struct mv64x60_setup_info { u32 phys_reg_base; u32 window_preserve_mask_32_hi; u32 window_preserve_mask_32_lo; u32 window_preserve_mask_64; u32 cpu_prot_options[MV64x60_CPU2MEM_WINDOWS]; u32 cpu_snoop_options[MV64x60_CPU2MEM_WINDOWS]; u32 enet_options[MV64x60_CPU2MEM_WINDOWS]; u32 mpsc_options[MV64x60_CPU2MEM_WINDOWS]; u32 idma_options[MV64x60_CPU2MEM_WINDOWS]; struct mv64x60_pci_info pci_0; struct mv64x60_pci_info pci_1; }; /* Define what the top bits in the extra member of a window entry means. */ #define MV64x60_EXTRA_INVALID 0x00000000 #define MV64x60_EXTRA_CPUWIN_ENAB 0x10000000 #define MV64x60_EXTRA_CPUPROT_ENAB 0x20000000 #define MV64x60_EXTRA_ENET_ENAB 0x30000000 #define MV64x60_EXTRA_MPSC_ENAB 0x40000000 #define MV64x60_EXTRA_IDMA_ENAB 0x50000000 #define MV64x60_EXTRA_PCIACC_ENAB 0x60000000 #define MV64x60_EXTRA_MASK 0xf0000000 /* * Define the 'handle' struct that will be passed between the 64x60 core * code and the platform-specific code that will use it. The handle * will contain pointers to chip-specific routines & information. */ struct mv64x60_32bit_window { u32 base_reg; u32 size_reg; u8 base_bits; u8 size_bits; u32 (*get_from_field)(u32 val, u32 num_bits); u32 (*map_to_field)(u32 val, u32 num_bits); u32 extra; }; struct mv64x60_64bit_window { u32 base_hi_reg; u32 base_lo_reg; u32 size_reg; u8 base_lo_bits; u8 size_bits; u32 (*get_from_field)(u32 val, u32 num_bits); u32 (*map_to_field)(u32 val, u32 num_bits); u32 extra; }; typedef struct mv64x60_handle mv64x60_handle_t; struct mv64x60_chip_info { u32 (*translate_size)(u32 base, u32 size, u32 num_bits); u32 (*untranslate_size)(u32 base, u32 size, u32 num_bits); void (*set_pci2mem_window)(struct pci_controller *hose, u32 bus, u32 window, u32 base); void (*set_pci2regs_window)(struct mv64x60_handle *bh, struct pci_controller *hose, u32 bus, u32 base); u32 (*is_enabled_32bit)(mv64x60_handle_t *bh, u32 window); void (*enable_window_32bit)(mv64x60_handle_t *bh, u32 window); void (*disable_window_32bit)(mv64x60_handle_t *bh, u32 window); void (*enable_window_64bit)(mv64x60_handle_t *bh, u32 window); void (*disable_window_64bit)(mv64x60_handle_t *bh, u32 window); void (*disable_all_windows)(mv64x60_handle_t *bh, struct mv64x60_setup_info *si); void (*config_io2mem_windows)(mv64x60_handle_t *bh, struct mv64x60_setup_info *si, u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]); void (*set_mpsc2regs_window)(struct mv64x60_handle *bh, u32 base); void (*chip_specific_init)(mv64x60_handle_t *bh, struct mv64x60_setup_info *si); struct mv64x60_32bit_window *window_tab_32bit; struct mv64x60_64bit_window *window_tab_64bit; }; struct mv64x60_handle { u32 type; /* type of bridge */ u32 rev; /* revision of bridge */ void __iomem *v_base;/* virtual base addr of bridge regs */ phys_addr_t p_base; /* physical base addr of bridge regs */ u32 pci_mode_a; /* pci 0 mode: conventional pci, pci-x*/ u32 pci_mode_b; /* pci 1 mode: conventional pci, pci-x*/ u32 io_base_a; /* vaddr of pci 0's I/O space */ u32 io_base_b; /* vaddr of pci 1's I/O space */ struct pci_controller *hose_a; struct pci_controller *hose_b; struct mv64x60_chip_info *ci; /* chip/bridge-specific info */ }; /* Define I/O routines for accessing registers on the 64x60 bridge. */ extern inline void mv64x60_write(struct mv64x60_handle *bh, u32 offset, u32 val) { ulong flags; spin_lock_irqsave(&mv64x60_lock, flags); out_le32(bh->v_base + offset, val); spin_unlock_irqrestore(&mv64x60_lock, flags); } extern inline u32 mv64x60_read(struct mv64x60_handle *bh, u32 offset) { ulong flags; u32 reg; spin_lock_irqsave(&mv64x60_lock, flags); reg = in_le32(bh->v_base + offset); spin_unlock_irqrestore(&mv64x60_lock, flags); return reg; } extern inline void mv64x60_modify(struct mv64x60_handle *bh, u32 offs, u32 data, u32 mask) { u32 reg; ulong flags; spin_lock_irqsave(&mv64x60_lock, flags); reg = in_le32(bh->v_base + offs) & (~mask); reg |= data & mask; out_le32(bh->v_base + offs, reg); spin_unlock_irqrestore(&mv64x60_lock, flags); } #define mv64x60_set_bits(bh, offs, bits) mv64x60_modify(bh, offs, ~0, bits) #define mv64x60_clr_bits(bh, offs, bits) mv64x60_modify(bh, offs, 0, bits) #if defined(CONFIG_SYSFS) && !defined(CONFIG_GT64260) #define MV64XXX_DEV_NAME "mv64xxx" struct mv64xxx_pdata { u32 hs_reg_valid; }; #endif /* Externally visible function prototypes */ int mv64x60_init(struct mv64x60_handle *bh, struct mv64x60_setup_info *si); u32 mv64x60_get_mem_size(u32 bridge_base, u32 chip_type); void mv64x60_early_init(struct mv64x60_handle *bh, struct mv64x60_setup_info *si); void mv64x60_alloc_hose(struct mv64x60_handle *bh, u32 cfg_addr, u32 cfg_data, struct pci_controller **hose); int mv64x60_get_type(struct mv64x60_handle *bh); int mv64x60_setup_for_chip(struct mv64x60_handle *bh); void __iomem *mv64x60_get_bridge_vbase(void); u32 mv64x60_get_bridge_type(void); u32 mv64x60_get_bridge_rev(void); void mv64x60_get_mem_windows(struct mv64x60_handle *bh, u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]); void mv64x60_config_cpu2mem_windows(struct mv64x60_handle *bh, struct mv64x60_setup_info *si, u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]); void mv64x60_config_cpu2pci_windows(struct mv64x60_handle *bh, struct mv64x60_pci_info *pi, u32 bus); void mv64x60_config_pci2mem_windows(struct mv64x60_handle *bh, struct pci_controller *hose, struct mv64x60_pci_info *pi, u32 bus, u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]); void mv64x60_config_resources(struct pci_controller *hose, struct mv64x60_pci_info *pi, u32 io_base); void mv64x60_config_pci_params(struct pci_controller *hose, struct mv64x60_pci_info *pi); void mv64x60_pd_fixup(struct mv64x60_handle *bh, struct platform_device *pd_devs[], u32 entries); void mv64x60_get_32bit_window(struct mv64x60_handle *bh, u32 window, u32 *base, u32 *size); void mv64x60_set_32bit_window(struct mv64x60_handle *bh, u32 window, u32 base, u32 size, u32 other_bits); void mv64x60_get_64bit_window(struct mv64x60_handle *bh, u32 window, u32 *base_hi, u32 *base_lo, u32 *size); void mv64x60_set_64bit_window(struct mv64x60_handle *bh, u32 window, u32 base_hi, u32 base_lo, u32 size, u32 other_bits); void mv64x60_set_bus(struct mv64x60_handle *bh, u32 bus, u32 child_bus); int mv64x60_pci_exclude_device(u8 bus, u8 devfn); void gt64260_init_irq(void); int gt64260_get_irq(struct pt_regs *regs); void mv64360_init_irq(void); int mv64360_get_irq(struct pt_regs *regs); u32 mv64x60_mask(u32 val, u32 num_bits); u32 mv64x60_shift_left(u32 val, u32 num_bits); u32 mv64x60_shift_right(u32 val, u32 num_bits); u32 mv64x60_calc_mem_size(struct mv64x60_handle *bh, u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]); void mv64x60_progress_init(u32 base); void mv64x60_mpsc_progress(char *s, unsigned short hex); extern struct mv64x60_32bit_window gt64260_32bit_windows[MV64x60_32BIT_WIN_COUNT]; extern struct mv64x60_64bit_window gt64260_64bit_windows[MV64x60_64BIT_WIN_COUNT]; extern struct mv64x60_32bit_window mv64360_32bit_windows[MV64x60_32BIT_WIN_COUNT]; extern struct mv64x60_64bit_window mv64360_64bit_windows[MV64x60_64BIT_WIN_COUNT]; #endif /* __ASMPPC_MV64x60_H */