diff options
Diffstat (limited to 'include/asm-ppc/m8260_pci.h')
| -rw-r--r-- | include/asm-ppc/m8260_pci.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/include/asm-ppc/m8260_pci.h b/include/asm-ppc/m8260_pci.h new file mode 100644 index 0000000..2675658 --- /dev/null +++ b/include/asm-ppc/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 */ |