diff options
Diffstat (limited to 'arch/mips/mach-malta/include/mach/gt64120.h')
| -rw-r--r-- | arch/mips/mach-malta/include/mach/gt64120.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/mips/mach-malta/include/mach/gt64120.h b/arch/mips/mach-malta/include/mach/gt64120.h new file mode 100644 index 0000000000..f8a257acb7 --- /dev/null +++ b/arch/mips/mach-malta/include/mach/gt64120.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2000, 2004, 2005 MIPS Technologies, Inc. + * All rights reserved. + * Authors: Carsten Langgaard <carstenl@mips.com> + * Maciej W. Rozycki <macro@mips.com> + * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) + */ + +#ifndef _MALTA_GT64120_H +#define _MALTA_GT64120_H + +#define GT_DEF_BASE 0x14000000 +#define MIPS_GT_BASE 0x1be00000 +#define GT64120_BASE CKSEG1ADDR(MIPS_GT_BASE) + +#define MSK(n) ((1 << (n)) - 1) + +/* + * Register offset addresses + */ + +/* CPU Address Decode. */ +#define GT_PCI0IOLD_OFS 0x048 +#define GT_PCI0IOHD_OFS 0x050 +#define GT_PCI0M0LD_OFS 0x058 +#define GT_PCI0M0HD_OFS 0x060 +#define GT_ISD_OFS 0x068 + +#define GT_PCI0M1LD_OFS 0x080 +#define GT_PCI0M1HD_OFS 0x088 + +#define GT_PCI0IOREMAP_OFS 0x0f0 +#define GT_PCI0M0REMAP_OFS 0x0f8 +#define GT_PCI0M1REMAP_OFS 0x100 + +/* Interrupts. */ +#define GT_INTRCAUSE_OFS 0xc18 + +/* PCI Internal. */ +#define GT_PCI0_CMD_OFS 0xc00 +#define GT_PCI0_CFGADDR_OFS 0xcf8 +#define GT_PCI0_CFGDATA_OFS 0xcfc + +#define GT_PCI_DCRM_SHF 21 +#define GT_PCI_LD_SHF 0 +#define GT_PCI_LD_MSK (MSK(15) << GT_PCI_LD_SHF) +#define GT_PCI_HD_SHF 0 +#define GT_PCI_HD_MSK (MSK(7) << GT_PCI_HD_SHF) +#define GT_PCI_REMAP_SHF 0 +#define GT_PCI_REMAP_MSK (MSK(11) << GT_PCI_REMAP_SHF) + +#define GT_INTRCAUSE_MASABORT0_SHF 18 +#define GT_INTRCAUSE_MASABORT0_MSK (MSK(1) << GT_INTRCAUSE_MASABORT0_SHF) +#define GT_INTRCAUSE_MASABORT0_BIT GT_INTRCAUSE_MASABORT0_MSK + +#define GT_INTRCAUSE_TARABORT0_SHF 19 +#define GT_INTRCAUSE_TARABORT0_MSK (MSK(1) << GT_INTRCAUSE_TARABORT0_SHF) +#define GT_INTRCAUSE_TARABORT0_BIT GT_INTRCAUSE_TARABORT0_MSK + +#define GT_PCI0_CFGADDR_REGNUM_SHF 2 +#define GT_PCI0_CFGADDR_REGNUM_MSK (MSK(6) << GT_PCI0_CFGADDR_REGNUM_SHF) +#define GT_PCI0_CFGADDR_FUNCTNUM_SHF 8 +#define GT_PCI0_CFGADDR_FUNCTNUM_MSK (MSK(3) << GT_PCI0_CFGADDR_FUNCTNUM_SHF) +#define GT_PCI0_CFGADDR_DEVNUM_SHF 11 +#define GT_PCI0_CFGADDR_DEVNUM_MSK (MSK(5) << GT_PCI0_CFGADDR_DEVNUM_SHF) +#define GT_PCI0_CFGADDR_BUSNUM_SHF 16 +#define GT_PCI0_CFGADDR_BUSNUM_MSK (MSK(8) << GT_PCI0_CFGADDR_BUSNUM_SHF) +#define GT_PCI0_CFGADDR_CONFIGEN_SHF 31 +#define GT_PCI0_CFGADDR_CONFIGEN_MSK (MSK(1) << GT_PCI0_CFGADDR_CONFIGEN_SHF) +#define GT_PCI0_CFGADDR_CONFIGEN_BIT GT_PCI0_CFGADDR_CONFIGEN_MSK + +#define GT_PCI0_CMD_MBYTESWAP_SHF 0 +#define GT_PCI0_CMD_MBYTESWAP_MSK (MSK(1) << GT_PCI0_CMD_MBYTESWAP_SHF) +#define GT_PCI0_CMD_MBYTESWAP_BIT GT_PCI0_CMD_MBYTESWAP_MSK +#define GT_PCI0_CMD_SBYTESWAP_SHF 16 +#define GT_PCI0_CMD_SBYTESWAP_MSK (MSK(1) << GT_PCI0_CMD_SBYTESWAP_SHF) +#define GT_PCI0_CMD_SBYTESWAP_BIT GT_PCI0_CMD_SBYTESWAP_MSK + +/* + * Because of an error/peculiarity in the Galileo chip, we need to swap the + * bytes when running bigendian. We also provide non-swapping versions. + */ +#define __GT_READ(ofs) \ + (*(volatile u32 *)(GT64120_BASE+(ofs))) +#define __GT_WRITE(ofs, data) \ + do { *(volatile u32 *)(GT64120_BASE+(ofs)) = (data); } while (0) +#define GT_READ(ofs) le32_to_cpu(__GT_READ(ofs)) +#define GT_WRITE(ofs, data) __GT_WRITE(ofs, cpu_to_le32(data)) + +#endif /* _MALTA_GT64120_H */ |