diff options
Diffstat (limited to 'arch/mips/lemote/lm2e/pci.c')
-rw-r--r-- | arch/mips/lemote/lm2e/pci.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/mips/lemote/lm2e/pci.c b/arch/mips/lemote/lm2e/pci.c deleted file mode 100644 index 9812c30cc6e..00000000000 --- a/arch/mips/lemote/lm2e/pci.c +++ /dev/null @@ -1,83 +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> - -static struct resource loongson2e_pci_mem_resource = { - .name = "LOONGSON2E PCI MEM", - .start = LOONGSON2E_PCI_MEM_START, - .end = LOONGSON2E_PCI_MEM_END, - .flags = IORESOURCE_MEM, -}; - -static struct resource loongson2e_pci_io_resource = { - .name = "LOONGSON2E PCI IO MEM", - .start = LOONGSON2E_PCI_IO_START, - .end = IO_SPACE_LIMIT, - .flags = IORESOURCE_IO, -}; - -static struct pci_controller loongson2e_pci_controller = { - .pci_ops = &bonito64_pci_ops, - .io_resource = &loongson2e_pci_io_resource, - .mem_resource = &loongson2e_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] - */ - BONITO_PCIMAP = BONITO_PCIMAP_PCIMAP_2 | - BONITO_PCIMAP_WIN(2, BONITO_PCILO2_BASE) | - BONITO_PCIMAP_WIN(1, BONITO_PCILO1_BASE) | - BONITO_PCIMAP_WIN(0, 0); - - /* - * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M] - */ - BONITO_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; -} - -static int __init pcibios_init(void) -{ - setup_pcimap(); - - loongson2e_pci_controller.io_map_base = mips_io_port_base; - - register_pci_controller(&loongson2e_pci_controller); - - return 0; -} - -arch_initcall(pcibios_init); |