diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 20 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_32.c | 58 | ||||
| -rw-r--r-- | arch/powerpc/kernel/rio.c | 52 |
5 files changed, 71 insertions, 68 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index d9b377070caa..58dbfeff9b4d 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -70,6 +70,7 @@ pci64-$(CONFIG_PPC64) += pci_dn.o isa-bridge.o obj-$(CONFIG_PCI) += pci_$(CONFIG_WORD_SIZE).o $(pci64-y) \ pci-common.o obj-$(CONFIG_PCI_MSI) += msi.o +obj-$(CONFIG_RAPIDIO) += rio.o obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o \ machine_kexec_$(CONFIG_WORD_SIZE).o obj-$(CONFIG_AUDIT) += audit.o diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 7aecb39a5a45..d9cc2c288d9e 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -73,8 +73,8 @@ _ENTRY(_start); /* We try to not make any assumptions about how the boot loader * setup or used the TLBs. We invalidate all mappings from the * boot loader and load a single entry in TLB1[0] to map the - * first 16M of kernel memory. Any boot info passed from the - * bootloader needs to live in this first 16M. + * first 64M of kernel memory. Any boot info passed from the + * bootloader needs to live in this first 64M. * * Requirement on bootloader: * - The page we're executing in needs to reside in TLB1 and @@ -167,7 +167,7 @@ skpinv: addi r6,r6,1 /* Increment */ mtspr SPRN_MAS0,r7 tlbre - /* Just modify the entry ID and EPN for the temp mapping */ + /* Just modify the entry ID, EPN and RPN for the temp mapping */ lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */ mtspr SPRN_MAS0,r7 @@ -177,9 +177,12 @@ skpinv: addi r6,r6,1 /* Increment */ ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_4K))@l mtspr SPRN_MAS1,r6 mfspr r6,SPRN_MAS2 - li r7,0 /* temp EPN = 0 */ + lis r7,PHYSICAL_START@h rlwimi r7,r6,0,20,31 mtspr SPRN_MAS2,r7 + mfspr r6,SPRN_MAS3 + rlwimi r7,r6,0,20,31 + mtspr SPRN_MAS3,r7 tlbwe xori r6,r4,1 @@ -222,11 +225,11 @@ skpinv: addi r6,r6,1 /* Increment */ lis r6,0x1000 /* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */ mtspr SPRN_MAS0,r6 lis r6,(MAS1_VALID|MAS1_IPROT)@h - ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_16M))@l + ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_64M))@l mtspr SPRN_MAS1,r6 li r7,0 - lis r6,KERNELBASE@h - ori r6,r6,KERNELBASE@l + lis r6,PAGE_OFFSET@h + ori r6,r6,PAGE_OFFSET@l rlwimi r6,r7,0,20,31 mtspr SPRN_MAS2,r6 li r7,(MAS3_SX|MAS3_SW|MAS3_SR) @@ -234,6 +237,9 @@ skpinv: addi r6,r6,1 /* Increment */ tlbwe /* 7. Jump to KERNELBASE mapping */ + lis r6,KERNELBASE@h + ori r6,r6,KERNELBASE@l + rlwimi r6,r7,0,20,31 lis r7,MSR_KERNEL@h ori r7,r7,MSR_KERNEL@l bl 1f /* Find our address */ diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index d394d41b61d5..980fe32895c0 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -792,9 +792,10 @@ static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { if ((res = bus->resource[i]) == NULL) continue; - if (!res->flags || bus->self->transparent) + if (!res->flags) + continue; + if (i >= 3 && bus->self->transparent) continue; - /* On PowerMac, Apple leaves bridge windows open over * an inaccessible region of memory space (0...fffff) * which is somewhat bogus, but that's what they think @@ -806,7 +807,8 @@ static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) * equal to the pci_mem_offset of the host bridge and * their size is smaller than 1M. */ - if (res->start == hose->pci_mem_offset && + if (res->flags & IORESOURCE_MEM && + res->start == hose->pci_mem_offset && res->end < 0x100000) { printk(KERN_INFO "PCI: Closing bogus Apple Firmware" diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 14e300f85ce4..88db4ffaf11c 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -94,64 +94,6 @@ fixup_cpc710_pci64(struct pci_dev* dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CPC710_PCI64, fixup_cpc710_pci64); - -void __init -update_bridge_resource(struct pci_dev *dev, struct resource *res) -{ - u8 io_base_lo, io_limit_lo; - u16 mem_base, mem_limit; - u16 cmd; - resource_size_t start, end, off; - struct pci_controller *hose = dev->sysdata; - - if (!hose) { - printk("update_bridge_base: no hose?\n"); - return; - } - pci_read_config_word(dev, PCI_COMMAND, &cmd); - pci_write_config_word(dev, PCI_COMMAND, - cmd & ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY)); - if (res->flags & IORESOURCE_IO) { - off = (unsigned long) hose->io_base_virt - isa_io_base; - start = res->start - off; - end = res->end - off; - io_base_lo = (start >> 8) & PCI_IO_RANGE_MASK; - io_limit_lo = (end >> 8) & PCI_IO_RANGE_MASK; - if (end > 0xffff) - io_base_lo |= PCI_IO_RANGE_TYPE_32; - else - io_base_lo |= PCI_IO_RANGE_TYPE_16; - pci_write_config_word(dev, PCI_IO_BASE_UPPER16, - start >> 16); - pci_write_config_word(dev, PCI_IO_LIMIT_UPPER16, - end >> 16); - pci_write_config_byte(dev, PCI_IO_BASE, io_base_lo); - pci_write_config_byte(dev, PCI_IO_LIMIT, io_limit_lo); - - } else if ((res->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH)) - == IORESOURCE_MEM) { - off = hose->pci_mem_offset; - mem_base = ((res->start - off) >> 16) & PCI_MEMORY_RANGE_MASK; - mem_limit = ((res->end - off) >> 16) & PCI_MEMORY_RANGE_MASK; - pci_write_config_word(dev, PCI_MEMORY_BASE, mem_base); - pci_write_config_word(dev, PCI_MEMORY_LIMIT, mem_limit); - - } else if ((res->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH)) - == (IORESOURCE_MEM | IORESOURCE_PREFETCH)) { - off = hose->pci_mem_offset; - mem_base = ((res->start - off) >> 16) & PCI_PREF_RANGE_MASK; - mem_limit = ((res->end - off) >> 16) & PCI_PREF_RANGE_MASK; - pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, mem_base); - pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit); - - } else { - DBG(KERN_ERR "PCI: ugh, bridge %s res has flags=%lx\n", - pci_name(dev), res->flags); - } - pci_write_config_word(dev, PCI_COMMAND, cmd); -} - - #ifdef CONFIG_PPC_OF /* * Functions below are used on OpenFirmware machines. diff --git a/arch/powerpc/kernel/rio.c b/arch/powerpc/kernel/rio.c new file mode 100644 index 000000000000..29487fedfc76 --- /dev/null +++ b/arch/powerpc/kernel/rio.c @@ -0,0 +1,52 @@ +/* + * RapidIO PPC32 support + * + * Copyright 2005 MontaVista Software, Inc. + * Matt Porter <mporter@kernel.crashing.org> + * + * 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/init.h> +#include <linux/kernel.h> +#include <linux/rio.h> + +#include <asm/rio.h> + +/** + * platform_rio_init - Do platform specific RIO init + * + * Any platform specific initialization of RapdIO + * hardware is done here as well as registration + * of any active master ports in the system. + */ +void __attribute__ ((weak)) + platform_rio_init(void) +{ + printk(KERN_WARNING "RIO: No platform_rio_init() present\n"); +} + +/** + * ppc_rio_init - Do PPC32 RIO init + * + * Calls platform-specific RIO init code and then calls + * rio_init_mports() to initialize any master ports that + * have been registered with the RIO subsystem. + */ +static int __init ppc_rio_init(void) +{ + printk(KERN_INFO "RIO: RapidIO init\n"); + + /* Platform specific initialization */ + platform_rio_init(); + + /* Enumerate all registered ports */ + rio_init_mports(); + + return 0; +} + +subsys_initcall(ppc_rio_init); |
