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Diffstat (limited to 'arch/mips/loongson/common/pci.c')
-rw-r--r--arch/mips/loongson/common/pci.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c
deleted file mode 100644
index 4e2575643..000000000
--- a/arch/mips/loongson/common/pci.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/pci.h>
-
-#include <pci.h>
-#include <loongson.h>
-#include <boot_param.h>
-
-static struct resource loongson_pci_mem_resource = {
- .name = "pci memory space",
- .start = LOONGSON_PCI_MEM_START,
- .end = LOONGSON_PCI_MEM_END,
- .flags = IORESOURCE_MEM,
-};
-
-static struct resource loongson_pci_io_resource = {
- .name = "pci io space",
- .start = LOONGSON_PCI_IO_START,
- .end = IO_SPACE_LIMIT,
- .flags = IORESOURCE_IO,
-};
-
-static struct pci_controller loongson_pci_controller = {
- .pci_ops = &loongson_pci_ops,
- .io_resource = &loongson_pci_io_resource,
- .mem_resource = &loongson_pci_mem_resource,
- .mem_offset = 0x00000000UL,
- .io_offset = 0x00000000UL,
-};
-
-static void __init setup_pcimap(void)
-{
- /*
- * local to PCI mapping for CPU accessing PCI space
- * CPU address space [256M,448M] is window for accessing pci space
- * we set pcimap_lo[0,1,2] to map it to pci space[0M,64M], [320M,448M]
- *
- * pcimap: PCI_MAP2 PCI_Mem_Lo2 PCI_Mem_Lo1 PCI_Mem_Lo0
- * [<2G] [384M,448M] [320M,384M] [0M,64M]
- */
- LOONGSON_PCIMAP = LOONGSON_PCIMAP_PCIMAP_2 |
- LOONGSON_PCIMAP_WIN(2, LOONGSON_PCILO2_BASE) |
- LOONGSON_PCIMAP_WIN(1, LOONGSON_PCILO1_BASE) |
- LOONGSON_PCIMAP_WIN(0, 0);
-
- /*
- * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M]
- */
- LOONGSON_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */
- /* size: 256M, burst transmission, pre-fetch enable, 64bit */
- LOONGSON_PCI_HIT0_SEL_L = 0xc000000cul;
- LOONGSON_PCI_HIT0_SEL_H = 0xfffffffful;
- LOONGSON_PCI_HIT1_SEL_L = 0x00000006ul; /* set this BAR as invalid */
- LOONGSON_PCI_HIT1_SEL_H = 0x00000000ul;
- LOONGSON_PCI_HIT2_SEL_L = 0x00000006ul; /* set this BAR as invalid */
- LOONGSON_PCI_HIT2_SEL_H = 0x00000000ul;
-
- /* avoid deadlock of PCI reading/writing lock operation */
- LOONGSON_PCI_ISR4C = 0xd2000001ul;
-
- /* can not change gnt to break pci transfer when device's gnt not
- deassert for some broken device */
- LOONGSON_PXARB_CFG = 0x00fe0105ul;
-
-#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
- /*
- * set cpu addr window2 to map CPU address space to PCI address space
- */
- LOONGSON_ADDRWIN_CPUTOPCI(ADDRWIN_WIN2, LOONGSON_CPU_MEM_SRC,
- LOONGSON_PCI_MEM_DST, MMAP_CPUTOPCI_SIZE);
-#endif
-}
-
-extern int sbx00_acpi_init(void);
-
-static int __init pcibios_init(void)
-{
- setup_pcimap();
-
- loongson_pci_controller.io_map_base = mips_io_port_base;
-#ifdef CONFIG_LEFI_FIRMWARE_INTERFACE
- loongson_pci_mem_resource.start = loongson_sysconf.pci_mem_start_addr;
- loongson_pci_mem_resource.end = loongson_sysconf.pci_mem_end_addr;
-#endif
- register_pci_controller(&loongson_pci_controller);
-
-#ifdef CONFIG_CPU_LOONGSON3
- sbx00_acpi_init();
-#endif
-
- return 0;
-}
-
-arch_initcall(pcibios_init);