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author | Ralf Baechle <ralf@linux-mips.org> | 2013-06-25 14:39:34 (GMT) |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2013-07-01 13:10:55 (GMT) |
commit | 0dad5d262278d24babbd62241fd238a3a3a0a39a (patch) | |
tree | 2f2d61cc744520c34acbe273514a1f827d6a9d86 /arch/mips/mti-malta | |
parent | f69df6d33c020d3510a31d142edda3bd2107dff4 (diff) | |
download | linux-0dad5d262278d24babbd62241fd238a3a3a0a39a.tar.xz |
MIPS: Malta: Move platform-specific PCI code to arch/mips/pci.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mti-malta')
-rw-r--r-- | arch/mips/mti-malta/Makefile | 1 | ||||
-rw-r--r-- | arch/mips/mti-malta/malta-pci.c | 254 |
2 files changed, 0 insertions, 255 deletions
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile index 0388fc8..72fdedb 100644 --- a/arch/mips/mti-malta/Makefile +++ b/arch/mips/mti-malta/Makefile @@ -10,7 +10,6 @@ obj-y := malta-amon.o malta-display.o malta-init.o \ malta-reset.o malta-setup.o malta-time.o obj-$(CONFIG_EARLY_PRINTK) += malta-console.o -obj-$(CONFIG_PCI) += malta-pci.o # FIXME FIXME FIXME obj-$(CONFIG_MIPS_MT_SMTC) += malta-smtc.o diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c deleted file mode 100644 index 37134dd..0000000 --- a/arch/mips/mti-malta/malta-pci.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. - * All rights reserved. - * Authors: Carsten Langgaard <carstenl@mips.com> - * Maciej W. Rozycki <macro@mips.com> - * - * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * MIPS boards specific PCI support. - */ -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <asm/gt64120.h> -#include <asm/gcmpregs.h> -#include <asm/mips-boards/generic.h> -#include <asm/mips-boards/bonito64.h> -#include <asm/mips-boards/msc01_pci.h> - -static struct resource bonito64_mem_resource = { - .name = "Bonito PCI MEM", - .flags = IORESOURCE_MEM, -}; - -static struct resource bonito64_io_resource = { - .name = "Bonito PCI I/O", - .start = 0x00000000UL, - .end = 0x000fffffUL, - .flags = IORESOURCE_IO, -}; - -static struct resource gt64120_mem_resource = { - .name = "GT-64120 PCI MEM", - .flags = IORESOURCE_MEM, -}; - -static struct resource gt64120_io_resource = { - .name = "GT-64120 PCI I/O", - .flags = IORESOURCE_IO, -}; - -static struct resource msc_mem_resource = { - .name = "MSC PCI MEM", - .flags = IORESOURCE_MEM, -}; - -static struct resource msc_io_resource = { - .name = "MSC PCI I/O", - .flags = IORESOURCE_IO, -}; - -extern struct pci_ops bonito64_pci_ops; -extern struct pci_ops gt64xxx_pci0_ops; -extern struct pci_ops msc_pci_ops; - -static struct pci_controller bonito64_controller = { - .pci_ops = &bonito64_pci_ops, - .io_resource = &bonito64_io_resource, - .mem_resource = &bonito64_mem_resource, - .io_offset = 0x00000000UL, -}; - -static struct pci_controller gt64120_controller = { - .pci_ops = >64xxx_pci0_ops, - .io_resource = >64120_io_resource, - .mem_resource = >64120_mem_resource, -}; - -static struct pci_controller msc_controller = { - .pci_ops = &msc_pci_ops, - .io_resource = &msc_io_resource, - .mem_resource = &msc_mem_resource, -}; - -void __init mips_pcibios_init(void) -{ - struct pci_controller *controller; - resource_size_t start, end, map, start1, end1, map1, map2, map3, mask; - - switch (mips_revision_sconid) { - case MIPS_REVISION_SCON_GT64120: - /* - * Due to a bug in the Galileo system controller, we need - * to setup the PCI BAR for the Galileo internal registers. - * This should be done in the bios/bootprom and will be - * fixed in a later revision of YAMON (the MIPS boards - * boot prom). - */ - GT_WRITE(GT_PCI0_CFGADDR_OFS, - (0 << GT_PCI0_CFGADDR_BUSNUM_SHF) | /* Local bus */ - (0 << GT_PCI0_CFGADDR_DEVNUM_SHF) | /* GT64120 dev */ - (0 << GT_PCI0_CFGADDR_FUNCTNUM_SHF) | /* Function 0*/ - ((0x20/4) << GT_PCI0_CFGADDR_REGNUM_SHF) | /* BAR 4*/ - GT_PCI0_CFGADDR_CONFIGEN_BIT); - - /* Perform the write */ - GT_WRITE(GT_PCI0_CFGDATA_OFS, CPHYSADDR(MIPS_GT_BASE)); - - /* Set up resource ranges from the controller's registers. */ - start = GT_READ(GT_PCI0M0LD_OFS); - end = GT_READ(GT_PCI0M0HD_OFS); - map = GT_READ(GT_PCI0M0REMAP_OFS); - end = (end & GT_PCI_HD_MSK) | (start & ~GT_PCI_HD_MSK); - start1 = GT_READ(GT_PCI0M1LD_OFS); - end1 = GT_READ(GT_PCI0M1HD_OFS); - map1 = GT_READ(GT_PCI0M1REMAP_OFS); - end1 = (end1 & GT_PCI_HD_MSK) | (start1 & ~GT_PCI_HD_MSK); - /* Cannot support multiple windows, use the wider. */ - if (end1 - start1 > end - start) { - start = start1; - end = end1; - map = map1; - } - mask = ~(start ^ end); - /* We don't support remapping with a discontiguous mask. */ - BUG_ON((start & GT_PCI_HD_MSK) != (map & GT_PCI_HD_MSK) && - mask != ~((mask & -mask) - 1)); - gt64120_mem_resource.start = start; - gt64120_mem_resource.end = end; - gt64120_controller.mem_offset = (start & mask) - (map & mask); - /* Addresses are 36-bit, so do shifts in the destinations. */ - gt64120_mem_resource.start <<= GT_PCI_DCRM_SHF; - gt64120_mem_resource.end <<= GT_PCI_DCRM_SHF; - gt64120_mem_resource.end |= (1 << GT_PCI_DCRM_SHF) - 1; - gt64120_controller.mem_offset <<= GT_PCI_DCRM_SHF; - - start = GT_READ(GT_PCI0IOLD_OFS); - end = GT_READ(GT_PCI0IOHD_OFS); - map = GT_READ(GT_PCI0IOREMAP_OFS); - end = (end & GT_PCI_HD_MSK) | (start & ~GT_PCI_HD_MSK); - mask = ~(start ^ end); - /* We don't support remapping with a discontiguous mask. */ - BUG_ON((start & GT_PCI_HD_MSK) != (map & GT_PCI_HD_MSK) && - mask != ~((mask & -mask) - 1)); - gt64120_io_resource.start = map & mask; - gt64120_io_resource.end = (map & mask) | ~mask; - gt64120_controller.io_offset = 0; - /* Addresses are 36-bit, so do shifts in the destinations. */ - gt64120_io_resource.start <<= GT_PCI_DCRM_SHF; - gt64120_io_resource.end <<= GT_PCI_DCRM_SHF; - gt64120_io_resource.end |= (1 << GT_PCI_DCRM_SHF) - 1; - - controller = >64120_controller; - break; - - case MIPS_REVISION_SCON_BONITO: - /* Set up resource ranges from the controller's registers. */ - map = BONITO_PCIMAP; - map1 = (BONITO_PCIMAP & BONITO_PCIMAP_PCIMAP_LO0) >> - BONITO_PCIMAP_PCIMAP_LO0_SHIFT; - map2 = (BONITO_PCIMAP & BONITO_PCIMAP_PCIMAP_LO1) >> - BONITO_PCIMAP_PCIMAP_LO1_SHIFT; - map3 = (BONITO_PCIMAP & BONITO_PCIMAP_PCIMAP_LO2) >> - BONITO_PCIMAP_PCIMAP_LO2_SHIFT; - /* Combine as many adjacent windows as possible. */ - map = map1; - start = BONITO_PCILO0_BASE; - end = 1; - if (map3 == map2 + 1) { - map = map2; - start = BONITO_PCILO1_BASE; - end++; - } - if (map2 == map1 + 1) { - map = map1; - start = BONITO_PCILO0_BASE; - end++; - } - bonito64_mem_resource.start = start; - bonito64_mem_resource.end = start + - BONITO_PCIMAP_WINBASE(end) - 1; - bonito64_controller.mem_offset = start - - BONITO_PCIMAP_WINBASE(map); - - controller = &bonito64_controller; - break; - - case MIPS_REVISION_SCON_SOCIT: - case MIPS_REVISION_SCON_ROCIT: - case MIPS_REVISION_SCON_SOCITSC: - case MIPS_REVISION_SCON_SOCITSCP: - /* Set up resource ranges from the controller's registers. */ - MSC_READ(MSC01_PCI_SC2PMBASL, start); - MSC_READ(MSC01_PCI_SC2PMMSKL, mask); - MSC_READ(MSC01_PCI_SC2PMMAPL, map); - msc_mem_resource.start = start & mask; - msc_mem_resource.end = (start & mask) | ~mask; - msc_controller.mem_offset = (start & mask) - (map & mask); -#ifdef CONFIG_MIPS_CMP - if (gcmp_niocu()) - gcmp_setregion(0, start, mask, - GCMP_GCB_GCMPB_CMDEFTGT_IOCU1); -#endif - MSC_READ(MSC01_PCI_SC2PIOBASL, start); - MSC_READ(MSC01_PCI_SC2PIOMSKL, mask); - MSC_READ(MSC01_PCI_SC2PIOMAPL, map); - msc_io_resource.start = map & mask; - msc_io_resource.end = (map & mask) | ~mask; - msc_controller.io_offset = 0; - ioport_resource.end = ~mask; -#ifdef CONFIG_MIPS_CMP - if (gcmp_niocu()) - gcmp_setregion(1, start, mask, - GCMP_GCB_GCMPB_CMDEFTGT_IOCU1); -#endif - /* If ranges overlap I/O takes precedence. */ - start = start & mask; - end = start | ~mask; - if ((start >= msc_mem_resource.start && - start <= msc_mem_resource.end) || - (end >= msc_mem_resource.start && - end <= msc_mem_resource.end)) { - /* Use the larger space. */ - start = max(start, msc_mem_resource.start); - end = min(end, msc_mem_resource.end); - if (start - msc_mem_resource.start >= - msc_mem_resource.end - end) - msc_mem_resource.end = start - 1; - else - msc_mem_resource.start = end + 1; - } - - controller = &msc_controller; - break; - default: - return; - } - - /* Change start address to avoid conflicts with ACPI and SMB devices */ - if (controller->io_resource->start < 0x00002000UL) - controller->io_resource->start = 0x00002000UL; - - iomem_resource.end &= 0xfffffffffULL; /* 64 GB */ - ioport_resource.end = controller->io_resource->end; - - controller->io_map_base = mips_io_port_base; - - register_pci_controller(controller); -} |