diff options
Diffstat (limited to 'arch/ppc/syslib/mpc52xx_pci.h')
| -rw-r--r-- | arch/ppc/syslib/mpc52xx_pci.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/ppc/syslib/mpc52xx_pci.h b/arch/ppc/syslib/mpc52xx_pci.h new file mode 100644 index 000000000000..04b509a02530 --- /dev/null +++ b/arch/ppc/syslib/mpc52xx_pci.h @@ -0,0 +1,139 @@ +/* + * arch/ppc/syslib/mpc52xx_pci.h + * + * PCI Include file the Freescale MPC52xx embedded cpu chips + * + * + * Maintainer : Sylvain Munaut <tnt@246tNt.com> + * + * Inspired from code written by Dale Farnsworth <dfarnsworth@mvista.com> + * for the 2.4 kernel. + * + * Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com> + * Copyright (C) 2003 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 __SYSLIB_MPC52xx_PCI_H__ +#define __SYSLIB_MPC52xx_PCI_H__ + +/* ======================================================================== */ +/* PCI windows config */ +/* ======================================================================== */ + +/* + * Master windows : MPC52xx -> PCI + * + * 0x80000000 -> 0x9FFFFFFF PCI Mem prefetchable IW0BTAR + * 0xA0000000 -> 0xAFFFFFFF PCI Mem IW1BTAR + * 0xB0000000 -> 0xB0FFFFFF PCI IO IW2BTAR + * + * Slave windows : PCI -> MPC52xx + * + * 0xF0000000 -> 0xF003FFFF MPC52xx MBAR TBATR0 + * 0x00000000 -> 0x3FFFFFFF MPC52xx local memory TBATR1 + */ + +#define MPC52xx_PCI_MEM_OFFSET 0x00000000 /* Offset for MEM MMIO */ + +#define MPC52xx_PCI_MEM_START 0x80000000 +#define MPC52xx_PCI_MEM_SIZE 0x20000000 +#define MPC52xx_PCI_MEM_STOP (MPC52xx_PCI_MEM_START+MPC52xx_PCI_MEM_SIZE-1) + +#define MPC52xx_PCI_MMIO_START 0xa0000000 +#define MPC52xx_PCI_MMIO_SIZE 0x10000000 +#define MPC52xx_PCI_MMIO_STOP (MPC52xx_PCI_MMIO_START+MPC52xx_PCI_MMIO_SIZE-1) + +#define MPC52xx_PCI_IO_BASE 0xb0000000 + +#define MPC52xx_PCI_IO_START 0x00000000 +#define MPC52xx_PCI_IO_SIZE 0x01000000 +#define MPC52xx_PCI_IO_STOP (MPC52xx_PCI_IO_START+MPC52xx_PCI_IO_SIZE-1) + + +#define MPC52xx_PCI_TARGET_IO MPC52xx_MBAR +#define MPC52xx_PCI_TARGET_MEM 0x00000000 + + +/* ======================================================================== */ +/* Structures mapping & Defines for PCI Unit */ +/* ======================================================================== */ + +#define MPC52xx_PCI_GSCR_BM 0x40000000 +#define MPC52xx_PCI_GSCR_PE 0x20000000 +#define MPC52xx_PCI_GSCR_SE 0x10000000 +#define MPC52xx_PCI_GSCR_XLB2PCI_MASK 0x07000000 +#define MPC52xx_PCI_GSCR_XLB2PCI_SHIFT 24 +#define MPC52xx_PCI_GSCR_IPG2PCI_MASK 0x00070000 +#define MPC52xx_PCI_GSCR_IPG2PCI_SHIFT 16 +#define MPC52xx_PCI_GSCR_BME 0x00004000 +#define MPC52xx_PCI_GSCR_PEE 0x00002000 +#define MPC52xx_PCI_GSCR_SEE 0x00001000 +#define MPC52xx_PCI_GSCR_PR 0x00000001 + + +#define MPC52xx_PCI_IWBTAR_TRANSLATION(proc_ad,pci_ad,size) \ + ( ( (proc_ad) & 0xff000000 ) | \ + ( (((size) - 1) >> 8) & 0x00ff0000 ) | \ + ( ((pci_ad) >> 16) & 0x0000ff00 ) ) + +#define MPC52xx_PCI_IWCR_PACK(win0,win1,win2) (((win0) << 24) | \ + ((win1) << 16) | \ + ((win2) << 8)) + +#define MPC52xx_PCI_IWCR_DISABLE 0x0 +#define MPC52xx_PCI_IWCR_ENABLE 0x1 +#define MPC52xx_PCI_IWCR_READ 0x0 +#define MPC52xx_PCI_IWCR_READ_LINE 0x2 +#define MPC52xx_PCI_IWCR_READ_MULTI 0x4 +#define MPC52xx_PCI_IWCR_MEM 0x0 +#define MPC52xx_PCI_IWCR_IO 0x8 + +#define MPC52xx_PCI_TCR_P 0x01000000 +#define MPC52xx_PCI_TCR_LD 0x00010000 + +#define MPC52xx_PCI_TBATR_DISABLE 0x0 +#define MPC52xx_PCI_TBATR_ENABLE 0x1 + + +#ifndef __ASSEMBLY__ + +struct mpc52xx_pci { + u32 idr; /* PCI + 0x00 */ + u32 scr; /* PCI + 0x04 */ + u32 ccrir; /* PCI + 0x08 */ + u32 cr1; /* PCI + 0x0C */ + u32 bar0; /* PCI + 0x10 */ + u32 bar1; /* PCI + 0x14 */ + u8 reserved1[16]; /* PCI + 0x18 */ + u32 ccpr; /* PCI + 0x28 */ + u32 sid; /* PCI + 0x2C */ + u32 erbar; /* PCI + 0x30 */ + u32 cpr; /* PCI + 0x34 */ + u8 reserved2[4]; /* PCI + 0x38 */ + u32 cr2; /* PCI + 0x3C */ + u8 reserved3[32]; /* PCI + 0x40 */ + u32 gscr; /* PCI + 0x60 */ + u32 tbatr0; /* PCI + 0x64 */ + u32 tbatr1; /* PCI + 0x68 */ + u32 tcr; /* PCI + 0x6C */ + u32 iw0btar; /* PCI + 0x70 */ + u32 iw1btar; /* PCI + 0x74 */ + u32 iw2btar; /* PCI + 0x78 */ + u8 reserved4[4]; /* PCI + 0x7C */ + u32 iwcr; /* PCI + 0x80 */ + u32 icr; /* PCI + 0x84 */ + u32 isr; /* PCI + 0x88 */ + u32 arb; /* PCI + 0x8C */ + u8 reserved5[104]; /* PCI + 0x90 */ + u32 car; /* PCI + 0xF8 */ + u8 reserved6[4]; /* PCI + 0xFC */ +}; + +#endif /* __ASSEMBLY__ */ + + +#endif /* __SYSLIB_MPC52xx_PCI_H__ */ |
