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kernel/linux-imx6_3.14.28/arch/powerpc/boot/mv64x60.h 2.52 KB
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  /*
   * Author: Mark A. Greer <source@mvista.com>
   *
   * 2007 (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 _PPC_BOOT_MV64x60_H_
  #define _PPC_BOOT_MV64x60_H_
  
  #define MV64x60_CPU_BAR_ENABLE			0x0278
  
  #define MV64x60_PCI_ACC_CNTL_ENABLE		(1<<0)
  #define MV64x60_PCI_ACC_CNTL_REQ64		(1<<1)
  #define MV64x60_PCI_ACC_CNTL_SNOOP_NONE		0x00000000
  #define MV64x60_PCI_ACC_CNTL_SNOOP_WT		0x00000004
  #define MV64x60_PCI_ACC_CNTL_SNOOP_WB		0x00000008
  #define MV64x60_PCI_ACC_CNTL_SNOOP_MASK		0x0000000c
  #define MV64x60_PCI_ACC_CNTL_ACCPROT		(1<<4)
  #define MV64x60_PCI_ACC_CNTL_WRPROT		(1<<5)
  #define MV64x60_PCI_ACC_CNTL_SWAP_BYTE		0x00000000
  #define MV64x60_PCI_ACC_CNTL_SWAP_NONE		0x00000040
  #define MV64x60_PCI_ACC_CNTL_SWAP_BYTE_WORD	0x00000080
  #define MV64x60_PCI_ACC_CNTL_SWAP_WORD		0x000000c0
  #define MV64x60_PCI_ACC_CNTL_SWAP_MASK		0x000000c0
  #define MV64x60_PCI_ACC_CNTL_MBURST_32_BYTES	0x00000000
  #define MV64x60_PCI_ACC_CNTL_MBURST_64_BYTES	0x00000100
  #define MV64x60_PCI_ACC_CNTL_MBURST_128_BYTES	0x00000200
  #define MV64x60_PCI_ACC_CNTL_MBURST_MASK	0x00000300
  #define MV64x60_PCI_ACC_CNTL_RDSIZE_32_BYTES	0x00000000
  #define MV64x60_PCI_ACC_CNTL_RDSIZE_64_BYTES	0x00000400
  #define MV64x60_PCI_ACC_CNTL_RDSIZE_128_BYTES	0x00000800
  #define MV64x60_PCI_ACC_CNTL_RDSIZE_256_BYTES	0x00000c00
  #define MV64x60_PCI_ACC_CNTL_RDSIZE_MASK	0x00000c00
  
  struct mv64x60_cpu2pci_win {
  	u32 lo;
  	u32 size;
  	u32 remap_hi;
  	u32 remap_lo;
  };
  
  extern struct mv64x60_cpu2pci_win mv64x60_cpu2pci_io[2];
  extern struct mv64x60_cpu2pci_win mv64x60_cpu2pci_mem[2];
  
  u32 mv64x60_cfg_read(u8 *bridge_base, u8 hose, u8 bus, u8 devfn,
  		u8 offset);
  void mv64x60_cfg_write(u8 *bridge_base, u8 hose, u8 bus, u8 devfn,
  		u8 offset, u32 val);
  
  void mv64x60_config_ctlr_windows(u8 *bridge_base, u8 *bridge_pbase,
  		u8 is_coherent);
  void mv64x60_config_pci_windows(u8 *bridge_base, u8 *bridge_pbase, u8 hose,
  		u8 bus, u32 mem_size, u32 acc_bits);
  void mv64x60_config_cpu2pci_window(u8 *bridge_base, u8 hose, u32 pci_base_hi,
  		u32 pci_base_lo, u32 cpu_base, u32 size,
  		struct mv64x60_cpu2pci_win *offset_tbl);
  u32 mv64x60_get_mem_size(u8 *bridge_base);
  u8 *mv64x60_get_bridge_pbase(void);
  u8 *mv64x60_get_bridge_base(void);
  u8 mv64x60_is_coherent(void);
  
  int mv64x60_i2c_open(void);
  int mv64x60_i2c_read(u32 devaddr, u8 *buf, u32 offset, u32 offset_size,
  		u32 count);
  void mv64x60_i2c_close(void);
  
  #endif /* _PPC_BOOT_MV64x60_H_ */