diff options
Diffstat (limited to 'arch/ppc/include/asm/m8260_pci.h')
| -rw-r--r-- | arch/ppc/include/asm/m8260_pci.h | 166 | 
1 files changed, 166 insertions, 0 deletions
| diff --git a/arch/ppc/include/asm/m8260_pci.h b/arch/ppc/include/asm/m8260_pci.h new file mode 100644 index 000000000..45f01de82 --- /dev/null +++ b/arch/ppc/include/asm/m8260_pci.h @@ -0,0 +1,166 @@ + +#ifndef _PPC_KERNEL_M8260_PCI_H +#define _PPC_KERNEL_M8260_PCI_H + +#define M8265_PCIBR0	0x101ac +#define M8265_PCIBR1	0x101b0 +#define M8265_PCIMSK0	0x101c4 +#define M8265_PCIMSK1	0x101c8 + +/* Bit definitions for PCIBR registers */ + +#define PCIBR_ENABLE        0x00000001 + +/* Bit definitions for PCIMSK registers */ + +#define PCIMSK_32KB         0xFFFF8000  /* Size of window, smallest */ +#define PCIMSK_64KB         0xFFFF0000 +#define PCIMSK_128KB        0xFFFE0000 +#define PCIMSK_256KB        0xFFFC0000 +#define PCIMSK_512KB        0xFFF80000 +#define PCIMSK_1MB          0xFFF00000 +#define PCIMSK_2MB          0xFFE00000 +#define PCIMSK_4MB          0xFFC00000 +#define PCIMSK_8MB          0xFF800000 +#define PCIMSK_16MB         0xFF000000 +#define PCIMSK_32MB         0xFE000000 +#define PCIMSK_64MB         0xFC000000 +#define PCIMSK_128MB        0xF8000000 +#define PCIMSK_256MB        0xF0000000 +#define PCIMSK_512MB        0xE0000000 +#define PCIMSK_1GB          0xC0000000  /* Size of window, largest */ + + +#define M826X_SCCR_PCI_MODE_EN 0x100 + + +/* + * Outbound ATU registers (3 sets). These registers control how 60x bus (local) + * addresses are translated to PCI addresses when the MPC826x is a PCI bus + * master (initiator). + */ + +#define POTAR_REG0          0x10800     /* PCI Outbound Translation Addr registers */ +#define POTAR_REG1          0x10818 +#define POTAR_REG2          0x10830 + +#define POBAR_REG0          0x10808     /* PCI Outbound Base Addr registers */ +#define POBAR_REG1          0x10820 +#define POBAR_REG2          0x10838 + +#define POCMR_REG0          0x10810     /* PCI Outbound Comparison Mask registers */ +#define POCMR_REG1          0x10828 +#define POCMR_REG2          0x10840 + +/* Bit definitions for POMCR registers */ + +#define POCMR_MASK_4KB      0x000FFFFF +#define POCMR_MASK_8KB      0x000FFFFE +#define POCMR_MASK_16KB     0x000FFFFC +#define POCMR_MASK_32KB     0x000FFFF8 +#define POCMR_MASK_64KB     0x000FFFF0 +#define POCMR_MASK_128KB    0x000FFFE0 +#define POCMR_MASK_256KB    0x000FFFC0 +#define POCMR_MASK_512KB    0x000FFF80 +#define POCMR_MASK_1MB      0x000FFF00 +#define POCMR_MASK_2MB      0x000FFE00 +#define POCMR_MASK_4MB      0x000FFC00 +#define POCMR_MASK_8MB      0x000FF800 +#define POCMR_MASK_16MB     0x000FF000 +#define POCMR_MASK_32MB     0x000FE000 +#define POCMR_MASK_64MB     0x000FC000 +#define POCMR_MASK_128MB    0x000F8000 +#define POCMR_MASK_256MB    0x000F0000 +#define POCMR_MASK_512MB    0x000E0000 +#define POCMR_MASK_1GB      0x000C0000 + +#define POCMR_ENABLE        0x80000000 +#define POCMR_PCI_IO        0x40000000 +#define POCMR_PREFETCH_EN   0x20000000 + +/* Soft PCI reset */ + +#define PCI_GCR_REG         0x10880 + +/* Bit definitions for PCI_GCR registers */ + +#define PCIGCR_PCI_BUS_EN   0x1 + +/* + * Inbound ATU registers (2 sets). These registers control how PCI addresses + * are translated to 60x bus (local) addresses when the MPC826x is a PCI bus target. + */ + +#define PITAR_REG1          0x108D0 +#define PIBAR_REG1          0x108D8 +#define PICMR_REG1          0x108E0 +#define PITAR_REG0          0x108E8 +#define PIBAR_REG0          0x108F0 +#define PICMR_REG0          0x108F8 + +/* Bit definitions for PCI Inbound Comparison Mask registers */ + +#define PICMR_MASK_4KB       0x000FFFFF +#define PICMR_MASK_8KB       0x000FFFFE +#define PICMR_MASK_16KB      0x000FFFFC +#define PICMR_MASK_32KB      0x000FFFF8 +#define PICMR_MASK_64KB      0x000FFFF0 +#define PICMR_MASK_128KB     0x000FFFE0 +#define PICMR_MASK_256KB     0x000FFFC0 +#define PICMR_MASK_512KB     0x000FFF80 +#define PICMR_MASK_1MB       0x000FFF00 +#define PICMR_MASK_2MB       0x000FFE00 +#define PICMR_MASK_4MB       0x000FFC00 +#define PICMR_MASK_8MB       0x000FF800 +#define PICMR_MASK_16MB      0x000FF000 +#define PICMR_MASK_32MB      0x000FE000 +#define PICMR_MASK_64MB      0x000FC000 +#define PICMR_MASK_128MB     0x000F8000 +#define PICMR_MASK_256MB     0x000F0000 +#define PICMR_MASK_512MB     0x000E0000 +#define PICMR_MASK_1GB       0x000C0000 + +#define PICMR_ENABLE         0x80000000 +#define PICMR_NO_SNOOP_EN    0x40000000 +#define PICMR_PREFETCH_EN    0x20000000 + +/* PCI error Registers */ + +#define	PCI_ERROR_STATUS_REG		0x10884 +#define	PCI_ERROR_MASK_REG		0x10888 +#define	PCI_ERROR_CONTROL_REG		0x1088C +#define PCI_ERROR_ADRS_CAPTURE_REG      0x10890 +#define PCI_ERROR_DATA_CAPTURE_REG      0x10898 +#define PCI_ERROR_CTRL_CAPTURE_REG      0x108A0 + +/* PCI error Register bit defines */ + +#define	PCI_ERROR_PCI_ADDR_PAR			0x00000001 +#define	PCI_ERROR_PCI_DATA_PAR_WR		0x00000002 +#define	PCI_ERROR_PCI_DATA_PAR_RD		0x00000004 +#define	PCI_ERROR_PCI_NO_RSP			0x00000008 +#define	PCI_ERROR_PCI_TAR_ABT			0x00000010 +#define	PCI_ERROR_PCI_SERR			0x00000020 +#define	PCI_ERROR_PCI_PERR_RD			0x00000040 +#define	PCI_ERROR_PCI_PERR_WR			0x00000080 +#define	PCI_ERROR_I2O_OFQO			0x00000100 +#define	PCI_ERROR_I2O_IPQO			0x00000200 +#define	PCI_ERROR_IRA				0x00000400 +#define	PCI_ERROR_NMI				0x00000800 +#define	PCI_ERROR_I2O_DBMC			0x00001000 + +/* + * Register pair used to generate configuration cycles on the PCI bus + * and access the MPC826x's own PCI configuration registers. + */ + +#define PCI_CFG_ADDR_REG     0x10900 +#define PCI_CFG_DATA_REG     0x10904 + +/* Bus parking decides where the bus control sits when idle */ +/* If modifying memory controllers for PCI park on the core */ + +#define PPC_ACR_BUS_PARK_CORE 0x6 +#define PPC_ACR_BUS_PARK_PCI  0x3 + +#endif /* _PPC_KERNEL_M8260_PCI_H */ |