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Diffstat (limited to 'arch/ppc/platforms/mbx.h')
| -rw-r--r-- | arch/ppc/platforms/mbx.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/arch/ppc/platforms/mbx.h b/arch/ppc/platforms/mbx.h deleted file mode 100644 index 1cf36fa..0000000 --- a/arch/ppc/platforms/mbx.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * A collection of structures, addresses, and values associated with - * the Motorola MBX boards. This was originally created for the - * MBX860, and probably needs revisions for other boards (like the 821). - * When this file gets out of control, we can split it up into more - * meaningful pieces. - * - * Copyright (c) 1997 Dan Malek (dmalek@jlc.net) - */ -#ifdef __KERNEL__ -#ifndef __MACH_MBX_DEFS -#define __MACH_MBX_DEFS - -#ifndef __ASSEMBLY__ -/* A Board Information structure that is given to a program when - * EPPC-Bug starts it up. - */ -typedef struct bd_info { - unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ - unsigned int bi_size; /* Size of this structure */ - unsigned int bi_revision; /* revision of this structure */ - unsigned int bi_bdate; /* EPPCbug date, i.e. 0x11061997 */ - unsigned int bi_memstart; /* Memory start address */ - unsigned int bi_memsize; /* Memory (end) size in bytes */ - unsigned int bi_intfreq; /* Internal Freq, in Hz */ - unsigned int bi_busfreq; /* Bus Freq, in Hz */ - unsigned int bi_clun; /* Boot device controller */ - unsigned int bi_dlun; /* Boot device logical dev */ - - /* These fields are not part of the board information structure - * provided by the boot rom. They are filled in by embed_config.c - * so we have the information consistent with other platforms. - */ - unsigned char bi_enetaddr[6]; - unsigned int bi_baudrate; -} bd_t; - -/* Memory map for the MBX as configured by EPPC-Bug. We could reprogram - * The SIU and PCI bridge, and try to use larger MMU pages, but the - * performance gain is not measurable and it certainly complicates the - * generic MMU model. - * - * In a effort to minimize memory usage for embedded applications, any - * PCI driver or ISA driver must request or map the region required by - * the device. For convenience (and since we can map up to 4 Mbytes with - * a single page table page), the MMU initialization will map the - * NVRAM, Status/Control registers, CPM Dual Port RAM, and the PCI - * Bridge CSRs 1:1 into the kernel address space. - */ -#define PCI_ISA_IO_ADDR ((unsigned)0x80000000) -#define PCI_ISA_IO_SIZE ((uint)(512 * 1024 * 1024)) -#define PCI_IDE_ADDR ((unsigned)0x81000000) -#define PCI_ISA_MEM_ADDR ((unsigned)0xc0000000) -#define PCI_ISA_MEM_SIZE ((uint)(512 * 1024 * 1024)) -#define PCMCIA_MEM_ADDR ((uint)0xe0000000) -#define PCMCIA_MEM_SIZE ((uint)(64 * 1024 * 1024)) -#define PCMCIA_DMA_ADDR ((uint)0xe4000000) -#define PCMCIA_DMA_SIZE ((uint)(64 * 1024 * 1024)) -#define PCMCIA_ATTRB_ADDR ((uint)0xe8000000) -#define PCMCIA_ATTRB_SIZE ((uint)(64 * 1024 * 1024)) -#define PCMCIA_IO_ADDR ((uint)0xec000000) -#define PCMCIA_IO_SIZE ((uint)(64 * 1024 * 1024)) -#define NVRAM_ADDR ((uint)0xfa000000) -#define NVRAM_SIZE ((uint)(1 * 1024 * 1024)) -#define MBX_CSR_ADDR ((uint)0xfa100000) -#define MBX_CSR_SIZE ((uint)(1 * 1024 * 1024)) -#define IMAP_ADDR ((uint)0xfa200000) -#define IMAP_SIZE ((uint)(64 * 1024)) -#define PCI_CSR_ADDR ((uint)0xfa210000) -#define PCI_CSR_SIZE ((uint)(64 * 1024)) - -/* Map additional physical space into well known virtual addresses. Due - * to virtual address mapping, these physical addresses are not accessible - * in a 1:1 virtual to physical mapping. - */ -#define ISA_IO_VIRT_ADDR ((uint)0xfa220000) -#define ISA_IO_VIRT_SIZE ((uint)64 * 1024) - -/* Interrupt assignments. - * These are defined (and fixed) by the MBX hardware implementation. - */ -#define POWER_FAIL_INT SIU_IRQ0 /* Power fail */ -#define TEMP_HILO_INT SIU_IRQ1 /* Temperature sensor */ -#define QSPAN_INT SIU_IRQ2 /* PCI Bridge (DMA CTLR?) */ -#define ISA_BRIDGE_INT SIU_IRQ3 /* All those PC things */ -#define COMM_L_INT SIU_IRQ6 /* MBX Comm expansion connector pin */ -#define STOP_ABRT_INT SIU_IRQ7 /* Stop/Abort header pin */ - -/* CPM Ethernet through SCCx. - * - * Bits in parallel I/O port registers that have to be set/cleared - * to configure the pins for SCC1 use. The TCLK and RCLK seem unique - * to the MBX860 board. Any two of the four available clocks could be - * used, and the MPC860 cookbook manual has an example using different - * clock pins. - */ -#define PA_ENET_RXD ((ushort)0x0001) -#define PA_ENET_TXD ((ushort)0x0002) -#define PA_ENET_TCLK ((ushort)0x0200) -#define PA_ENET_RCLK ((ushort)0x0800) -#define PC_ENET_TENA ((ushort)0x0001) -#define PC_ENET_CLSN ((ushort)0x0010) -#define PC_ENET_RENA ((ushort)0x0020) - -/* Control bits in the SICR to route TCLK (CLK2) and RCLK (CLK4) to - * SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero. - */ -#define SICR_ENET_MASK ((uint)0x000000ff) -#define SICR_ENET_CLKRT ((uint)0x0000003d) - -/* The MBX uses the 8259. -*/ -#define NR_8259_INTS 16 - -#endif /* !__ASSEMBLY__ */ -#endif /* __MACH_MBX_DEFS */ -#endif /* __KERNEL__ */ |
