diff options
Diffstat (limited to 'include/asm-ppc/mv64x60.h')
| -rw-r--r-- | include/asm-ppc/mv64x60.h | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/include/asm-ppc/mv64x60.h b/include/asm-ppc/mv64x60.h new file mode 100644 index 000000000000..cc25b921ad4f --- /dev/null +++ b/include/asm-ppc/mv64x60.h @@ -0,0 +1,345 @@ +/* + * 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> + +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 + +/* + * 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 *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) + + +/* 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 *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 */ |