patch-2.1.92 linux/include/asm-alpha/mcpcia.h
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- Lines: 669
- Date:
Mon Mar 30 00:21:40 1998
- Orig file:
v2.1.91/linux/include/asm-alpha/mcpcia.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.1.91/linux/include/asm-alpha/mcpcia.h linux/include/asm-alpha/mcpcia.h
@@ -0,0 +1,668 @@
+#ifndef __ALPHA_MCPCIA__H__
+#define __ALPHA_MCPCIA__H__
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+/*
+ * MCPCIA is the internal name for a core logic chipset which provides
+ * PCI access for the RAWHIDE family of systems.
+ *
+ * This file is based on:
+ *
+ * RAWHIDE System Programmer's Manual
+ * 16-May-96
+ * Rev. 1.4
+ *
+ */
+
+/*------------------------------------------------------------------------**
+** **
+** I/O procedures **
+** **
+** inport[b|w|t|l], outport[b|w|t|l] 8:16:24:32 IO xfers **
+** inportbxt: 8 bits only **
+** inport: alias of inportw **
+** outport: alias of outportw **
+** **
+** inmem[b|w|t|l], outmem[b|w|t|l] 8:16:24:32 ISA memory xfers **
+** inmembxt: 8 bits only **
+** inmem: alias of inmemw **
+** outmem: alias of outmemw **
+** **
+**------------------------------------------------------------------------*/
+
+
+/* MCPCIA ADDRESS BIT DEFINITIONS
+ *
+ * 3 3 3 3|3 3 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1
+ * 9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |1| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |0|0|0|
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | \_/ \_/
+ * | | |
+ * +-- IO space, not cached. Byte Enable --+ |
+ * Transfer Length --+
+ *
+ *
+ *
+ * Byte Transfer
+ * Enable Length Transfer Byte Address
+ * adr<6:5> adr<4:3> Length Enable Adder
+ * ---------------------------------------------
+ * 00 00 Byte 1110 0x000
+ * 01 00 Byte 1101 0x020
+ * 10 00 Byte 1011 0x040
+ * 11 00 Byte 0111 0x060
+ *
+ * 00 01 Word 1100 0x008
+ * 01 01 Word 1001 0x028 <= Not supported in this code.
+ * 10 01 Word 0011 0x048
+ *
+ * 00 10 Tribyte 1000 0x010
+ * 01 10 Tribyte 0001 0x030
+ *
+ * 10 11 Longword 0000 0x058
+ *
+ * Note that byte enables are asserted low.
+ *
+ */
+
+#define BYTE_ENABLE_SHIFT 5
+#define TRANSFER_LENGTH_SHIFT 3
+
+#define MEM_R1_MASK 0x1fffffff /* SPARSE Mem region 1 mask is 29 bits */
+#define MEM_R2_MASK 0x07ffffff /* SPARSE Mem region 2 mask is 27 bits */
+#define MEM_R3_MASK 0x03ffffff /* SPARSE Mem region 3 mask is 26 bits */
+
+#ifdef CONFIG_ALPHA_SRM_SETUP
+/* if we are using the SRM PCI setup, we'll need to use variables instead */
+#define MCPCIA_DMA_WIN_BASE_DEFAULT (2*1024*1024*1024U)
+#define MCPCIA_DMA_WIN_SIZE_DEFAULT (2*1024*1024*1024U)
+
+extern unsigned int MCPCIA_DMA_WIN_BASE;
+extern unsigned int MCPCIA_DMA_WIN_SIZE;
+
+#else /* SRM_SETUP */
+#define MCPCIA_DMA_WIN_BASE (2*1024*1024*1024UL)
+#define MCPCIA_DMA_WIN_SIZE (2*1024*1024*1024UL)
+#endif /* SRM_SETUP */
+
+#define HOSE(h) (((unsigned long)(h)) << 33)
+/*
+ * General Registers
+ */
+#define MCPCIA_REV(h) (IDENT_ADDR + 0xf9e0000000UL + HOSE(h))
+#define MCPCIA_WHOAMI(h) (IDENT_ADDR + 0xf9e0000040UL + HOSE(h))
+#define MCPCIA_PCI_LAT(h) (IDENT_ADDR + 0xf9e0000080UL + HOSE(h))
+#define MCPCIA_CAP_CTRL(h) (IDENT_ADDR + 0xf9e0000100UL + HOSE(h))
+#define MCPCIA_HAE_MEM(h) (IDENT_ADDR + 0xf9e0000400UL + HOSE(h))
+#define MCPCIA_HAE_IO(h) (IDENT_ADDR + 0xf9e0000440UL + HOSE(h))
+#if 0
+#define MCPCIA_IACK_SC(h) (IDENT_ADDR + 0xf9e0000480UL + HOSE(h))
+#endif
+#define MCPCIA_HAE_DENSE(h) (IDENT_ADDR + 0xf9e00004c0UL + HOSE(h))
+
+/*
+ * Interrupt Control registers
+ */
+#define MCPCIA_INT_CTL(h) (IDENT_ADDR + 0xf9e0000500UL + HOSE(h))
+#define MCPCIA_INT_REQ(h) (IDENT_ADDR + 0xf9e0000540UL + HOSE(h))
+#define MCPCIA_INT_TARG(h) (IDENT_ADDR + 0xf9e0000580UL + HOSE(h))
+#define MCPCIA_INT_ADR(h) (IDENT_ADDR + 0xf9e00005c0UL + HOSE(h))
+#define MCPCIA_INT_ADR_EXT(h) (IDENT_ADDR + 0xf9e0000600UL + HOSE(h))
+#define MCPCIA_INT_MASK0(h) (IDENT_ADDR + 0xf9e0000640UL + HOSE(h))
+#define MCPCIA_INT_MASK1(h) (IDENT_ADDR + 0xf9e0000680UL + HOSE(h))
+#define MCPCIA_INT_ACK0(h) (IDENT_ADDR + 0xf9f0003f00UL + HOSE(h))
+#define MCPCIA_INT_ACK1(h) (IDENT_ADDR + 0xf9e0003f40UL + HOSE(h))
+
+/*
+ * Performance Monitor registers
+ */
+#define MCPCIA_PERF_MONITOR(h) (IDENT_ADDR + 0xf9e0000300UL + HOSE(h))
+#define MCPCIA_PERF_CONTROL(h) (IDENT_ADDR + 0xf9e0000340UL + HOSE(h))
+
+/*
+ * Diagnostic Registers
+ */
+#define MCPCIA_CAP_DIAG(h) (IDENT_ADDR + 0xf9e0000700UL + HOSE(h))
+#define MCPCIA_TOP_OF_MEM(h) (IDENT_ADDR + 0xf9e00007c0UL + HOSE(h))
+
+/*
+ * Error registers
+ */
+#define MCPCIA_CAP_ERR(h) (IDENT_ADDR + 0xf9e0000880UL + HOSE(h))
+#define MCPCIA_PCI_ERR1(h) (IDENT_ADDR + 0xf9e0001040UL + HOSE(h))
+
+/*
+ * PCI Address Translation Registers.
+ */
+#define MCPCIA_SG_TBIA(h) (IDENT_ADDR + 0xf9e0001300UL + HOSE(h))
+#define MCPCIA_HBASE(h) (IDENT_ADDR + 0xf9e0001340UL + HOSE(h))
+
+#define MCPCIA_W0_BASE(h) (IDENT_ADDR + 0xf9e0001400UL + HOSE(h))
+#define MCPCIA_W0_MASK(h) (IDENT_ADDR + 0xf9e0001440UL + HOSE(h))
+#define MCPCIA_T0_BASE(h) (IDENT_ADDR + 0xf9e0001480UL + HOSE(h))
+
+#define MCPCIA_W1_BASE(h) (IDENT_ADDR + 0xf9e0001500UL + HOSE(h))
+#define MCPCIA_W1_MASK(h) (IDENT_ADDR + 0xf9e0001540UL + HOSE(h))
+#define MCPCIA_T1_BASE(h) (IDENT_ADDR + 0xf9e0001580UL + HOSE(h))
+
+#define MCPCIA_W2_BASE(h) (IDENT_ADDR + 0xf9e0001600UL + HOSE(h))
+#define MCPCIA_W2_MASK(h) (IDENT_ADDR + 0xf9e0001640UL + HOSE(h))
+#define MCPCIA_T2_BASE(h) (IDENT_ADDR + 0xf9e0001680UL + HOSE(h))
+
+#define MCPCIA_W3_BASE(h) (IDENT_ADDR + 0xf9e0001700UL + HOSE(h))
+#define MCPCIA_W3_MASK(h) (IDENT_ADDR + 0xf9e0001740UL + HOSE(h))
+#define MCPCIA_T3_BASE(h) (IDENT_ADDR + 0xf9e0001780UL + HOSE(h))
+
+/*
+ * Memory spaces:
+ */
+#define MCPCIA_CONF(h) (IDENT_ADDR + 0xf9c0000000UL + HOSE(h))
+#define MCPCIA_IO(h) (IDENT_ADDR + 0xf980000000UL + HOSE(h))
+#define MCPCIA_SPARSE(h) (IDENT_ADDR + 0xf800000000UL + HOSE(h))
+#define MCPCIA_DENSE(h) (IDENT_ADDR + 0xf900000000UL + HOSE(h))
+#define MCPCIA_IACK_SC(h) (IDENT_ADDR + 0xf9f0003f00UL + HOSE(h))
+
+#define HAE_ADDRESS MCPCIA_HAE_MEM(0)
+
+#ifdef __KERNEL__
+
+/*
+ * Translate physical memory address as seen on (PCI) bus into
+ * a kernel virtual address and vv.
+ */
+extern inline unsigned long virt_to_bus(void * address)
+{
+ return virt_to_phys(address) + MCPCIA_DMA_WIN_BASE;
+}
+
+extern inline void * bus_to_virt(unsigned long address)
+{
+ return phys_to_virt(address - MCPCIA_DMA_WIN_BASE);
+}
+
+/*
+ * I/O functions:
+ *
+ * MCPCIA, the RAWHIDE family PCI/memory support chipset for the EV5 (21164)
+ * and EV56 (21164a) processors, can use either a sparse address mapping
+ * scheme, or the so-called byte-word PCI address space, to get at PCI memory
+ * and I/O.
+ *
+ * Unfortunately, we can't use BWIO with EV5, so for now, we always use SPARSE.
+ */
+
+#define vuip volatile unsigned int *
+
+#ifdef DISABLE_BWIO_ENABLED
+
+extern inline unsigned int __inb(unsigned long addr)
+{
+ register unsigned long result;
+
+ __asm__ __volatile__ (
+ "ldbu %0,%1"
+ : "=r" (result)
+ : "m" (*(unsigned char *)(addr+MCPCIA_BW_IO)));
+
+ return result;
+}
+
+extern inline void __outb(unsigned char b, unsigned long addr)
+{
+ __asm__ __volatile__ (
+ "stb %1,%0\n\t"
+ "mb"
+ : : "m" (*(unsigned char *)(addr+MCPCIA_BW_IO)), "r" (b));
+}
+
+extern inline unsigned int __inw(unsigned long addr)
+{
+ register unsigned long result;
+
+ __asm__ __volatile__ (
+ "ldwu %0,%1"
+ : "=r" (result)
+ : "m" (*(unsigned short *)(addr+MCPCIA_BW_IO)));
+
+ return result;
+}
+
+extern inline void __outw(unsigned short b, unsigned long addr)
+{
+ __asm__ __volatile__ (
+ "stw %1,%0\n\t"
+ "mb"
+ : : "m" (*(unsigned short *)(addr+MCPCIA_BW_IO)), "r" (b));
+}
+
+extern inline unsigned int __inl(unsigned long addr)
+{
+ register unsigned long result;
+
+ __asm__ __volatile__ (
+ "ldl %0,%1"
+ : "=r" (result)
+ : "m" (*(unsigned int *)(addr+MCPCIA_BW_IO)));
+
+ return result;
+}
+
+extern inline void __outl(unsigned int b, unsigned long addr)
+{
+ __asm__ __volatile__ (
+ "stl %1,%0\n\t"
+ "mb"
+ : : "m" (*(unsigned int *)(addr+MCPCIA_BW_IO)), "r" (b));
+}
+
+#define inb(port) __inb((port))
+#define inw(port) __inw((port))
+#define inl(port) __inl((port))
+
+#define outb(x, port) __outb((x),(port))
+#define outw(x, port) __outw((x),(port))
+#define outl(x, port) __outl((x),(port))
+
+#else /* BWIO_ENABLED */
+
+extern inline unsigned int __inb(unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ long result = *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x00);
+ result >>= (addr & 3) * 8;
+ return 0xffUL & result;
+}
+
+extern inline void __outb(unsigned char b, unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ unsigned int w;
+
+ asm ("insbl %2,%1,%0" : "r="(w) : "ri"(addr & 0x3), "r"(b));
+ *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x00) = w;
+ mb();
+}
+
+extern inline unsigned int __inw(unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ long result = *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x08);
+ result >>= (addr & 3) * 8;
+ return 0xffffUL & result;
+}
+
+extern inline void __outw(unsigned short b, unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ unsigned int w;
+
+ asm ("inswl %2,%1,%0" : "r="(w) : "ri"(addr & 0x3), "r"(b));
+ *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x08) = w;
+ mb();
+}
+
+extern inline unsigned int __inl(unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ return *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x18);
+}
+
+extern inline void __outl(unsigned int b, unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x18) = b;
+ mb();
+}
+
+#define inb(port) \
+(__builtin_constant_p((port))?__inb(port):_inb(port))
+
+#define outb(x, port) \
+(__builtin_constant_p((port))?__outb((x),(port)):_outb((x),(port)))
+
+#endif /* BWIO_ENABLED */
+
+
+/*
+ * Memory functions. 64-bit and 32-bit accesses are done through
+ * dense memory space, everything else through sparse space.
+ *
+ * For reading and writing 8 and 16 bit quantities we need to
+ * go through one of the three sparse address mapping regions
+ * and use the HAE_MEM CSR to provide some bits of the address.
+ * The following few routines use only sparse address region 1
+ * which gives 1Gbyte of accessible space which relates exactly
+ * to the amount of PCI memory mapping *into* system address space.
+ * See p 6-17 of the specification but it looks something like this:
+ *
+ * 21164 Address:
+ *
+ * 3 2 1
+ * 9876543210987654321098765432109876543210
+ * 1ZZZZ0.PCI.QW.Address............BBLL
+ *
+ * ZZ = SBZ
+ * BB = Byte offset
+ * LL = Transfer length
+ *
+ * PCI Address:
+ *
+ * 3 2 1
+ * 10987654321098765432109876543210
+ * HHH....PCI.QW.Address........ 00
+ *
+ * HHH = 31:29 HAE_MEM CSR
+ *
+ */
+
+#ifdef DISABLE_BWIO_ENABLED
+
+extern inline unsigned long __readb(unsigned long addr)
+{
+ register unsigned long result;
+
+ __asm__ __volatile__ (
+ "ldbu %0,%1"
+ : "=r" (result)
+ : "m" (*(unsigned char *)(addr+MCPCIA_BW_MEM)));
+
+ return result;
+}
+
+extern inline unsigned long __readw(unsigned long addr)
+{
+ register unsigned long result;
+
+ __asm__ __volatile__ (
+ "ldwu %0,%1"
+ : "=r" (result)
+ : "m" (*(unsigned short *)(addr+MCPCIA_BW_MEM)));
+
+ return result;
+}
+
+extern inline unsigned long __readl(unsigned long addr)
+{
+ register unsigned long result;
+
+ __asm__ __volatile__ (
+ "ldl %0,%1"
+ : "=r" (result)
+ : "m" (*(unsigned int *)(addr+MCPCIA_BW_MEM)));
+
+ return result;
+}
+
+extern inline void __writeb(unsigned char b, unsigned long addr)
+{
+ __asm__ __volatile__ (
+ "stb %1,%0\n\t"
+ "mb"
+ : : "m" (*(unsigned char *)(addr+MCPCIA_BW_MEM)), "r" (b));
+}
+
+extern inline void __writew(unsigned short b, unsigned long addr)
+{
+ __asm__ __volatile__ (
+ "stw %1,%0\n\t"
+ "mb"
+ : : "m" (*(unsigned short *)(addr+MCPCIA_BW_MEM)), "r" (b));
+}
+
+extern inline void __writel(unsigned int b, unsigned long addr)
+{
+ __asm__ __volatile__ (
+ "stl %1,%0\n\t"
+ "mb"
+ : : "m" (*(unsigned int *)(addr+MCPCIA_BW_MEM)), "r" (b));
+}
+
+#define readb(addr) __readb((addr))
+#define readw(addr) __readw((addr))
+
+#define writeb(b, addr) __writeb((b),(addr))
+#define writew(b, addr) __writew((b),(addr))
+
+#else /* BWIO_ENABLED */
+
+#ifdef CONFIG_ALPHA_SRM_SETUP
+
+extern unsigned long mcpcia_sm_base_r1, mcpcia_sm_base_r2, mcpcia_sm_base_r3;
+
+extern inline unsigned long __readb(unsigned long addr)
+{
+ unsigned long result, shift, work;
+
+ if ((addr >= mcpcia_sm_base_r1) &&
+ (addr <= (mcpcia_sm_base_r1 + MEM_R1_MASK)))
+ work = (((addr & MEM_R1_MASK) << 5) + MCPCIA_SPARSE_MEM + 0x00);
+ else
+ if ((addr >= mcpcia_sm_base_r2) &&
+ (addr <= (mcpcia_sm_base_r2 + MEM_R2_MASK)))
+ work = (((addr & MEM_R2_MASK) << 5) + MCPCIA_SPARSE_MEM_R2 + 0x00);
+ else
+ if ((addr >= mcpcia_sm_base_r3) &&
+ (addr <= (mcpcia_sm_base_r3 + MEM_R3_MASK)))
+ work = (((addr & MEM_R3_MASK) << 5) + MCPCIA_SPARSE_MEM_R3 + 0x00);
+ else
+ {
+#if 0
+ printk("__readb: address 0x%lx not covered by HAE\n", addr);
+#endif
+ return 0x0ffUL;
+ }
+ shift = (addr & 0x3) << 3;
+ result = *(vuip) work;
+ result >>= shift;
+ return 0x0ffUL & result;
+}
+
+extern inline unsigned long __readw(unsigned long addr)
+{
+ unsigned long result, shift, work;
+
+ if ((addr >= mcpcia_sm_base_r1) &&
+ (addr <= (mcpcia_sm_base_r1 + MEM_R1_MASK)))
+ work = (((addr & MEM_R1_MASK) << 5) + MCPCIA_SPARSE_MEM + 0x08);
+ else
+ if ((addr >= mcpcia_sm_base_r2) &&
+ (addr <= (mcpcia_sm_base_r2 + MEM_R2_MASK)))
+ work = (((addr & MEM_R2_MASK) << 5) + MCPCIA_SPARSE_MEM_R2 + 0x08);
+ else
+ if ((addr >= mcpcia_sm_base_r3) &&
+ (addr <= (mcpcia_sm_base_r3 + MEM_R3_MASK)))
+ work = (((addr & MEM_R3_MASK) << 5) + MCPCIA_SPARSE_MEM_R3 + 0x08);
+ else
+ {
+#if 0
+ printk("__readw: address 0x%lx not covered by HAE\n", addr);
+#endif
+ return 0x0ffffUL;
+ }
+ shift = (addr & 0x3) << 3;
+ result = *(vuip) work;
+ result >>= shift;
+ return 0x0ffffUL & result;
+}
+
+extern inline void __writeb(unsigned char b, unsigned long addr)
+{
+ unsigned long work;
+
+ if ((addr >= mcpcia_sm_base_r1) &&
+ (addr <= (mcpcia_sm_base_r1 + MEM_R1_MASK)))
+ work = (((addr & MEM_R1_MASK) << 5) + MCPCIA_SPARSE_MEM + 0x00);
+ else
+ if ((addr >= mcpcia_sm_base_r2) &&
+ (addr <= (mcpcia_sm_base_r2 + MEM_R2_MASK)))
+ work = (((addr & MEM_R2_MASK) << 5) + MCPCIA_SPARSE_MEM_R2 + 0x00);
+ else
+ if ((addr >= mcpcia_sm_base_r3) &&
+ (addr <= (mcpcia_sm_base_r3 + MEM_R3_MASK)))
+ work = (((addr & MEM_R3_MASK) << 5) + MCPCIA_SPARSE_MEM_R3 + 0x00);
+ else
+ {
+#if 0
+ printk("__writeb: address 0x%lx not covered by HAE\n", addr);
+#endif
+ return;
+ }
+ *(vuip) work = b * 0x01010101;
+}
+
+extern inline void __writew(unsigned short b, unsigned long addr)
+{
+ unsigned long work;
+
+ if ((addr >= mcpcia_sm_base_r1) &&
+ (addr <= (mcpcia_sm_base_r1 + MEM_R1_MASK)))
+ work = (((addr & MEM_R1_MASK) << 5) + MCPCIA_SPARSE_MEM + 0x00);
+ else
+ if ((addr >= mcpcia_sm_base_r2) &&
+ (addr <= (mcpcia_sm_base_r2 + MEM_R2_MASK)))
+ work = (((addr & MEM_R2_MASK) << 5) + MCPCIA_SPARSE_MEM_R2 + 0x00);
+ else
+ if ((addr >= mcpcia_sm_base_r3) &&
+ (addr <= (mcpcia_sm_base_r3 + MEM_R3_MASK)))
+ work = (((addr & MEM_R3_MASK) << 5) + MCPCIA_SPARSE_MEM_R3 + 0x00);
+ else
+ {
+#if 0
+ printk("__writew: address 0x%lx not covered by HAE\n", addr);
+#endif
+ return;
+ }
+ *(vuip) work = b * 0x00010001;
+}
+
+#else /* SRM_SETUP */
+
+extern inline unsigned long __readb(unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ unsigned long result, shift, msb, work, temp;
+
+ shift = (addr & 0x3) << 3;
+ msb = addr & 0xE0000000UL;
+ temp = addr & MEM_R1_MASK;
+ if (msb != hae.cache) {
+ set_hae(msb);
+ }
+ work = ((temp << 5) + MCPCIA_SPARSE(hose) + 0x00);
+ result = *(vuip) work;
+ result >>= shift;
+ return 0x0ffUL & result;
+}
+
+extern inline unsigned long __readw(unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ unsigned long result, shift, msb, work, temp;
+
+ shift = (addr & 0x3) << 3;
+ msb = addr & 0xE0000000UL;
+ temp = addr & MEM_R1_MASK ;
+ if (msb != hae.cache) {
+ set_hae(msb);
+ }
+ work = ((temp << 5) + MCPCIA_SPARSE(hose) + 0x08);
+ result = *(vuip) work;
+ result >>= shift;
+ return 0x0ffffUL & result;
+}
+
+extern inline void __writeb(unsigned char b, unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ unsigned long msb;
+
+ msb = addr & 0xE0000000;
+ addr &= MEM_R1_MASK;
+ if (msb != hae.cache) {
+ set_hae(msb);
+ }
+ *(vuip) ((addr << 5) + MCPCIA_SPARSE(hose) + 0x00) = b * 0x01010101;
+}
+
+extern inline void __writew(unsigned short b, unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ unsigned long msb ;
+
+ msb = addr & 0xE0000000 ;
+ addr &= MEM_R1_MASK ;
+ if (msb != hae.cache) {
+ set_hae(msb);
+ }
+ *(vuip) ((addr << 5) + MCPCIA_SPARSE(hose) + 0x08) = b * 0x00010001;
+}
+#endif /* SRM_SETUP */
+
+extern inline unsigned long __readl(unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ return *(vuip) (addr + MCPCIA_DENSE(hose));
+}
+
+extern inline void __writel(unsigned int b, unsigned long in_addr)
+{
+ unsigned long addr = in_addr & 0xffffffffUL;
+ unsigned long hose = (in_addr >> 32) & 3;
+ *(vuip) (addr + MCPCIA_DENSE(hose)) = b;
+}
+
+#endif /* BWIO_ENABLED */
+
+#define readl(a) __readl((unsigned long)(a))
+#define writel(v,a) __writel((v),(unsigned long)(a))
+
+#undef vuip
+
+struct linux_hose_info {
+ struct pci_bus pci_bus;
+ struct linux_hose_info *next;
+ unsigned long pci_io_space;
+ unsigned long pci_mem_space;
+ unsigned long pci_config_space;
+ unsigned long pci_sparse_space;
+ unsigned int pci_first_busno;
+ unsigned int pci_last_busno;
+ unsigned int pci_hose_index;
+};
+
+extern unsigned long mcpcia_init (unsigned long mem_start,
+ unsigned long mem_end);
+extern unsigned long mcpcia_fixup (unsigned long mem_start,
+ unsigned long mem_end);
+
+#endif /* __KERNEL__ */
+
+/*
+ * Data structure for handling MCPCIA machine checks:
+ */
+struct el_MCPCIA_uncorrected_frame_mcheck {
+ struct el_common header;
+ struct el_common_EV5_uncorrectable_mcheck procdata;
+};
+
+#define RTC_PORT(x) (0x70 + (x))
+#define RTC_ADDR(x) (0x80 | (x))
+#define RTC_ALWAYS_BCD 0
+
+#endif /* __ALPHA_MCPCIA__H__ */
FUNET's LINUX-ADM group, [email protected]
TCL-scripts by Sam Shen, [email protected]