diff options
Diffstat (limited to 'target/linux/rb532/files-2.6.23/arch/mips/pci')
3 files changed, 0 insertions, 505 deletions
diff --git a/target/linux/rb532/files-2.6.23/arch/mips/pci/fixup-rb500.c b/target/linux/rb532/files-2.6.23/arch/mips/pci/fixup-rb500.c deleted file mode 100644 index 76c465fea4..0000000000 --- a/target/linux/rb532/files-2.6.23/arch/mips/pci/fixup-rb500.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * stevel@mvista.com or source@mvista.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. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <asm/pci.h> -#include <asm/io.h> - -#include <asm/rc32434/rc32434.h> - -static int __devinitdata irq_map[2][12] = { - { 0, 0, 2, 3, 2, 3, 0, 0, 0, 0, 0, 1 }, - { 0, 0, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3 } -}; - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq = 0; - - if (dev->bus->number < 2 && PCI_SLOT(dev->devfn) < 12) { - irq = irq_map[dev->bus->number][PCI_SLOT(dev->devfn)]; - } - return irq + GROUP4_IRQ_BASE + 4; -} - diff --git a/target/linux/rb532/files-2.6.23/arch/mips/pci/ops-rc32434.c b/target/linux/rb532/files-2.6.23/arch/mips/pci/ops-rc32434.c deleted file mode 100644 index b90ab1d129..0000000000 --- a/target/linux/rb532/files-2.6.23/arch/mips/pci/ops-rc32434.c +++ /dev/null @@ -1,218 +0,0 @@ -/************************************************************************** - * - * BRIEF MODULE DESCRIPTION - * pci_ops for IDT EB434 board - * - * Copyright 2004 IDT Inc. (rischelp@idt.com) - * Copyright 2006 Felix Fietkau <nbd@openwrt.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. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - ************************************************************************** - * May 2004 rkt, neb - * - * Initial Release - * - * - * - ************************************************************************** - */ - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/types.h> -#include <linux/delay.h> - -#include <asm/cpu.h> -#include <asm/io.h> - -#include <asm/rc32434/rc32434.h> -#include <asm/rc32434/pci.h> - -#define PCI_ACCESS_READ 0 -#define PCI_ACCESS_WRITE 1 - - -#define PCI_CFG_SET(bus,slot,func,off) \ - (rc32434_pci->pcicfga = (0x80000000 | \ - ((bus) << 16) | ((slot)<<11) | \ - ((func)<<8) | (off))) - -static inline int config_access(unsigned char access_type, struct pci_bus *bus, - unsigned int devfn, unsigned char where, - u32 * data) -{ - unsigned int slot = PCI_SLOT(devfn); - u8 func = PCI_FUNC(devfn); - - /* Setup address */ - PCI_CFG_SET(bus->number, slot, func, where); - rc32434_sync(); - - if (access_type == PCI_ACCESS_WRITE) - rc32434_pci->pcicfgd = *data; - else - *data = rc32434_pci->pcicfgd; - - rc32434_sync(); - - return 0; -} - - -/* - * We can't address 8 and 16 bit words directly. Instead we have to - * read/write a 32bit word and mask/modify the data we actually want. - */ -static int read_config_byte(struct pci_bus *bus, unsigned int devfn, - int where, u8 * val) -{ - u32 data; - int ret; - - ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data); - *val = (data >> ((where & 3) << 3)) & 0xff; - return ret; -} - -static int read_config_word(struct pci_bus *bus, unsigned int devfn, - int where, u16 * val) -{ - u32 data; - int ret; - - ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data); - *val = (data >> ((where & 3) << 3)) & 0xffff; - return ret; -} - -static int read_config_dword(struct pci_bus *bus, unsigned int devfn, - int where, u32 * val) -{ - int ret; - int delay = 1; - - if (bus->number == 0 && PCI_SLOT(devfn) > 21) - return 0; - -retry: - ret = config_access(PCI_ACCESS_READ, bus, devfn, where, val); - - /* PCI scan: check for invalid values, device may not have - * finished initializing */ - - if (where == PCI_VENDOR_ID) { - if (ret == 0xffffffff || ret == 0x00000000 || - ret == 0x0000ffff || ret == 0xffff0000) { - - if (delay > 4) - return 0; - - delay *= 2; - msleep(delay); - goto retry; - } - } - - return ret; -} - -static int -write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, - u8 val) -{ - u32 data = 0; - - if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) - return -1; - - data = (data & ~(0xff << ((where & 3) << 3))) | - (val << ((where & 3) << 3)); - - if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) - return -1; - - return PCIBIOS_SUCCESSFUL; -} - - -static int -write_config_word(struct pci_bus *bus, unsigned int devfn, int where, - u16 val) -{ - u32 data = 0; - - if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) - return -1; - - data = (data & ~(0xffff << ((where & 3) << 3))) | - (val << ((where & 3) << 3)); - - if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) - return -1; - - - return PCIBIOS_SUCCESSFUL; -} - - -static int -write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, - u32 val) -{ - if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val)) - return -1; - - return PCIBIOS_SUCCESSFUL; -} - -static int pci_config_read(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 * val) -{ - switch (size) { - case 1: - return read_config_byte(bus, devfn, where, (u8 *) val); - case 2: - return read_config_word(bus, devfn, where, (u16 *) val); - default: - return read_config_dword(bus, devfn, where, val); - } -} - -static int pci_config_write(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 val) -{ - switch (size) { - case 1: - return write_config_byte(bus, devfn, where, (u8) val); - case 2: - return write_config_word(bus, devfn, where, (u16) val); - default: - return write_config_dword(bus, devfn, where, val); - } -} - -struct pci_ops rc32434_pci_ops = { - .read = pci_config_read, - .write = pci_config_write, -}; diff --git a/target/linux/rb532/files-2.6.23/arch/mips/pci/pci-rc32434.c b/target/linux/rb532/files-2.6.23/arch/mips/pci/pci-rc32434.c deleted file mode 100644 index 9ae596c223..0000000000 --- a/target/linux/rb532/files-2.6.23/arch/mips/pci/pci-rc32434.c +++ /dev/null @@ -1,236 +0,0 @@ -/************************************************************************** - * - * BRIEF MODULE DESCRIPTION - * PCI initialization for IDT EB434 board - * - * Copyright 2004 IDT Inc. (rischelp@idt.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. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - ************************************************************************** - * May 2004 rkt, neb - * - * Initial Release - * - * - * - ************************************************************************** - */ - -#include <linux/autoconf.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <asm/rc32434/rc32434.h> -#include <asm/rc32434/pci.h> - -#define PCI_ACCESS_READ 0 -#define PCI_ACCESS_WRITE 1 - -/* define an unsigned array for the PCI registers */ -unsigned int korinaCnfgRegs[25] = { - KORINA_CNFG1, KORINA_CNFG2, KORINA_CNFG3, KORINA_CNFG4, - KORINA_CNFG5, KORINA_CNFG6, KORINA_CNFG7, KORINA_CNFG8, - KORINA_CNFG9, KORINA_CNFG10, KORINA_CNFG11, KORINA_CNFG12, - KORINA_CNFG13, KORINA_CNFG14, KORINA_CNFG15, KORINA_CNFG16, - KORINA_CNFG17, KORINA_CNFG18, KORINA_CNFG19, KORINA_CNFG20, - KORINA_CNFG21, KORINA_CNFG22, KORINA_CNFG23, KORINA_CNFG24 -}; -static struct resource rc32434_res_pci_mem1; -static struct resource rc32434_res_pci_mem2; - -static struct resource rc32434_res_pci_mem1 = { - .name = "PCI MEM1", - .start = 0x50000000, - .end = 0x5FFFFFFF, - .flags = IORESOURCE_MEM, - .parent = &rc32434_res_pci_mem1, - .sibling = NULL, - .child = &rc32434_res_pci_mem2 -}; - -static struct resource rc32434_res_pci_mem2 = { - .name = "PCI Mem2", - .start = 0x60000000, - .end = 0x6FFFFFFF, - .flags = IORESOURCE_MEM, - .parent = &rc32434_res_pci_mem1, - .sibling = NULL, - .child = NULL -}; - -static struct resource rc32434_res_pci_io1 = { - .name = "PCI I/O1", - .start = 0x18800000, - .end = 0x188FFFFF, - .flags = IORESOURCE_IO, -}; - -extern struct pci_ops rc32434_pci_ops; - -#define PCI_MEM1_START PCI_ADDR_START -#define PCI_MEM1_END PCI_ADDR_START + CPUTOPCI_MEM_WIN - 1 -#define PCI_MEM2_START PCI_ADDR_START + CPUTOPCI_MEM_WIN -#define PCI_MEM2_END PCI_ADDR_START + ( 2* CPUTOPCI_MEM_WIN) - 1 -#define PCI_IO1_START PCI_ADDR_START + (2 * CPUTOPCI_MEM_WIN) -#define PCI_IO1_END PCI_ADDR_START + (2* CPUTOPCI_MEM_WIN) + CPUTOPCI_IO_WIN -1 -#define PCI_IO2_START PCI_ADDR_START + (2 * CPUTOPCI_MEM_WIN) + CPUTOPCI_IO_WIN -#define PCI_IO2_END PCI_ADDR_START + (2* CPUTOPCI_MEM_WIN) + (2 * CPUTOPCI_IO_WIN) -1 - - -struct pci_controller rc32434_controller2; - -struct pci_controller rc32434_controller = { - .pci_ops = &rc32434_pci_ops, - .mem_resource = &rc32434_res_pci_mem1, - .io_resource = &rc32434_res_pci_io1, - .mem_offset = 0, - .io_offset = 0, - -}; - -#ifdef __MIPSEB__ -#define PCI_ENDIAN_FLAG PCILBAC_sb_m -#else -#define PCI_ENDIAN_FLAG 0 -#endif - -static int __init rc32434_pcibridge_init(void) -{ - unsigned int pcicValue, pcicData = 0; - unsigned int dummyRead, pciCntlVal; - int loopCount; - unsigned int pciConfigAddr; - - pcicValue = rc32434_pci->pcic; - pcicValue = (pcicValue >> PCIM_SHFT) & PCIM_BIT_LEN; - if (!((pcicValue == PCIM_H_EA) || - (pcicValue == PCIM_H_IA_FIX) || - (pcicValue == PCIM_H_IA_RR))) { - printk("PCI init error!!!\n"); - /* Not in Host Mode, return ERROR */ - return -1; - } - /* Enables the Idle Grant mode, Arbiter Parking */ - pcicData |=(PCIC_igm_m|PCIC_eap_m|PCIC_en_m); - rc32434_pci->pcic = pcicData; /* Enable the PCI bus Interface */ - /* Zero out the PCI status & PCI Status Mask */ - for(;;) - { - pcicData = rc32434_pci->pcis; - if (!(pcicData & PCIS_rip_m)) - break; - } - - rc32434_pci->pcis = 0; - rc32434_pci->pcism = 0xFFFFFFFF; - /* Zero out the PCI decoupled registers */ - rc32434_pci->pcidac=0; /* disable PCI decoupled accesses at initialization */ - rc32434_pci->pcidas=0; /* clear the status */ - rc32434_pci->pcidasm=0x0000007F; /* Mask all the interrupts */ - /* Mask PCI Messaging Interrupts */ - rc32434_pci_msg->pciiic = 0; - rc32434_pci_msg->pciiim = 0xFFFFFFFF; - rc32434_pci_msg->pciioic = 0; - rc32434_pci_msg->pciioim = 0; - - - /* Setup PCILB0 as Memory Window */ - rc32434_pci->pcilba[0].a = (unsigned int) (PCI_ADDR_START); - - /* setup the PCI map address as same as the local address */ - - rc32434_pci->pcilba[0].m = (unsigned int) (PCI_ADDR_START); - - - /* Setup PCILBA1 as MEM */ - rc32434_pci->pcilba[0].c = ( ((SIZE_256MB & 0x1f) << PCILBAC_size_b) | PCI_ENDIAN_FLAG); - dummyRead = rc32434_pci->pcilba[0].c; /* flush the CPU write Buffers */ - rc32434_pci->pcilba[1].a = 0x60000000; - rc32434_pci->pcilba[1].m = 0x60000000; - - /* setup PCILBA2 as IO Window*/ - rc32434_pci->pcilba[1].c = (((SIZE_256MB & 0x1f) << PCILBAC_size_b )| PCI_ENDIAN_FLAG); - dummyRead = rc32434_pci->pcilba[1].c; /* flush the CPU write Buffers */ - rc32434_pci->pcilba[2].a = 0x18C00000; - rc32434_pci->pcilba[2].m = 0x18FFFFFF; - - /* setup PCILBA2 as IO Window*/ - rc32434_pci->pcilba[2].c = (((SIZE_4MB & 0x1f) << PCILBAC_size_b) | PCI_ENDIAN_FLAG ); - dummyRead = rc32434_pci->pcilba[2].c; /* flush the CPU write Buffers */ - - /* Setup PCILBA3 as IO Window */ - rc32434_pci->pcilba[3].a = 0x18800000; - rc32434_pci->pcilba[3].m = 0x18800000; - rc32434_pci->pcilba[3].c = ( (((SIZE_1MB & 0x1ff) << PCILBAC_size_b) | PCILBAC_msi_m) | PCI_ENDIAN_FLAG); - dummyRead = rc32434_pci->pcilba[3].c; /* flush the CPU write Buffers */ - - pciConfigAddr=(unsigned int)(0x80000004); - for(loopCount=0;loopCount<24;loopCount++){ - rc32434_pci->pcicfga=pciConfigAddr; - dummyRead=rc32434_pci->pcicfga; - rc32434_pci->pcicfgd = korinaCnfgRegs[loopCount]; - dummyRead=rc32434_pci->pcicfgd; - pciConfigAddr += 4; - } - rc32434_pci->pcitc = (unsigned int)((PCITC_RTIMER_VAL&0xff) << PCITC_rtimer_b) - | ((PCITC_DTIMER_VAL&0xff) << PCITC_dtimer_b); - - pciCntlVal=rc32434_pci->pcic; - pciCntlVal &=~(PCIC_tnr_m); - rc32434_pci->pcic = pciCntlVal; - pciCntlVal=rc32434_pci->pcic; - return 0; -} - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - if (PCI_SLOT(dev->devfn) == 6 && dev->bus->number == 0) { - /* disable prefetched memory range */ - pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, 0); - pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, 0x10); - - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4); - } - return 0; -} - -static int __init rc32434_pci_init(void) -{ - printk("PCI: Initializing PCI\n"); - - ioport_resource.start = rc32434_res_pci_io1.start; - ioport_resource.end = rc32434_res_pci_io1.end; - - rc32434_pcibridge_init(); - - register_pci_controller(&rc32434_controller); - rc32434_sync(); - - return 0; -} - -arch_initcall(rc32434_pci_init); - |