diff options
Diffstat (limited to 'arch/mips/pci')
| -rw-r--r-- | arch/mips/pci/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/pci/fixup-atlas.c | 6 | ||||
| -rw-r--r-- | arch/mips/pci/fixup-cobalt.c | 40 | ||||
| -rw-r--r-- | arch/mips/pci/ops-au1000.c | 2 | ||||
| -rw-r--r-- | arch/mips/pci/ops-nile4.c | 147 | ||||
| -rw-r--r-- | arch/mips/pci/ops-sni.c | 22 | ||||
| -rw-r--r-- | arch/mips/pci/pci-bcm1480.c | 6 | ||||
| -rw-r--r-- | arch/mips/pci/pci-bcm1480ht.c | 4 | ||||
| -rw-r--r-- | arch/mips/pci/pci-lasat.c | 91 | ||||
| -rw-r--r-- | arch/mips/pci/pci-sb1250.c | 4 | ||||
| -rw-r--r-- | arch/mips/pci/pci-vr41xx.c | 2 |
11 files changed, 292 insertions, 34 deletions
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index 4ee6800e67e6..ed0c07622baa 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -10,6 +10,7 @@ obj-y += pci.o obj-$(CONFIG_MIPS_BONITO64) += ops-bonito64.o obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o obj-$(CONFIG_MIPS_MSC) += ops-msc.o +obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o obj-$(CONFIG_MIPS_TX3927) += ops-tx3927.o obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o @@ -19,6 +20,7 @@ obj-$(CONFIG_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o # These are still pretty much in the old state, watch, go blind. # obj-$(CONFIG_BASLER_EXCITE) += ops-titan.o pci-excite.o fixup-excite.o +obj-$(CONFIG_LASAT) += pci-lasat.o obj-$(CONFIG_MIPS_ATLAS) += fixup-atlas.o obj-$(CONFIG_MIPS_COBALT) += fixup-cobalt.o obj-$(CONFIG_SOC_AU1500) += fixup-au1000.o ops-au1000.o diff --git a/arch/mips/pci/fixup-atlas.c b/arch/mips/pci/fixup-atlas.c index 45224fd2c7ba..506e883a8c71 100644 --- a/arch/mips/pci/fixup-atlas.c +++ b/arch/mips/pci/fixup-atlas.c @@ -77,12 +77,12 @@ int pcibios_plat_dev_init(struct pci_dev *dev) * code, but it is better than nothing... */ -static void atlas_saa9730_base_fixup (struct pci_dev *pdev) +static void atlas_saa9730_base_fixup(struct pci_dev *pdev) { extern void *saa9730_base; if (pdev->bus == 0 && PCI_SLOT(pdev->devfn) == 19) - (void) pci_read_config_dword (pdev, 0x14, (u32 *)&saa9730_base); - printk ("saa9730_base = %x\n", saa9730_base); + (void) pci_read_config_dword(pdev, 0x14, (u32 *)&saa9730_base); + printk("saa9730_base = %x\n", saa9730_base); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730, diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c index 76b4f0ffb1e5..f7df1142912b 100644 --- a/arch/mips/pci/fixup-cobalt.c +++ b/arch/mips/pci/fixup-cobalt.c @@ -18,6 +18,24 @@ #include <asm/gt64120.h> #include <cobalt.h> +#include <irq.h> + +/* + * PCI slot numbers + */ +#define COBALT_PCICONF_CPU 0x06 +#define COBALT_PCICONF_ETH0 0x07 +#define COBALT_PCICONF_RAQSCSI 0x08 +#define COBALT_PCICONF_VIA 0x09 +#define COBALT_PCICONF_PCISLOT 0x0A +#define COBALT_PCICONF_ETH1 0x0C + +/* + * The Cobalt board ID information. The boards have an ID number wired + * into the VIA that is available in the high nibble of register 94. + */ +#define VIA_COBALT_BRD_ID_REG 0x94 +#define VIA_COBALT_BRD_REG_to_ID(reg) ((unsigned char)(reg) >> 4) static void qube_raq_galileo_early_fixup(struct pci_dev *dev) { @@ -132,29 +150,29 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, static char irq_tab_qube1[] __initdata = { [COBALT_PCICONF_CPU] = 0, - [COBALT_PCICONF_ETH0] = COBALT_QUBE1_ETH0_IRQ, - [COBALT_PCICONF_RAQSCSI] = COBALT_SCSI_IRQ, + [COBALT_PCICONF_ETH0] = QUBE1_ETH0_IRQ, + [COBALT_PCICONF_RAQSCSI] = SCSI_IRQ, [COBALT_PCICONF_VIA] = 0, - [COBALT_PCICONF_PCISLOT] = COBALT_QUBE_SLOT_IRQ, + [COBALT_PCICONF_PCISLOT] = PCISLOT_IRQ, [COBALT_PCICONF_ETH1] = 0 }; static char irq_tab_cobalt[] __initdata = { [COBALT_PCICONF_CPU] = 0, - [COBALT_PCICONF_ETH0] = COBALT_ETH0_IRQ, - [COBALT_PCICONF_RAQSCSI] = COBALT_SCSI_IRQ, + [COBALT_PCICONF_ETH0] = ETH0_IRQ, + [COBALT_PCICONF_RAQSCSI] = SCSI_IRQ, [COBALT_PCICONF_VIA] = 0, - [COBALT_PCICONF_PCISLOT] = COBALT_QUBE_SLOT_IRQ, - [COBALT_PCICONF_ETH1] = COBALT_ETH1_IRQ + [COBALT_PCICONF_PCISLOT] = PCISLOT_IRQ, + [COBALT_PCICONF_ETH1] = ETH1_IRQ }; static char irq_tab_raq2[] __initdata = { [COBALT_PCICONF_CPU] = 0, - [COBALT_PCICONF_ETH0] = COBALT_ETH0_IRQ, - [COBALT_PCICONF_RAQSCSI] = COBALT_RAQ_SCSI_IRQ, + [COBALT_PCICONF_ETH0] = ETH0_IRQ, + [COBALT_PCICONF_RAQSCSI] = RAQ2_SCSI_IRQ, [COBALT_PCICONF_VIA] = 0, - [COBALT_PCICONF_PCISLOT] = COBALT_QUBE_SLOT_IRQ, - [COBALT_PCICONF_ETH1] = COBALT_ETH1_IRQ + [COBALT_PCICONF_PCISLOT] = PCISLOT_IRQ, + [COBALT_PCICONF_ETH1] = ETH1_IRQ }; int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c index 7932dfe5eb9b..6b29904acf45 100644 --- a/arch/mips/pci/ops-au1000.c +++ b/arch/mips/pci/ops-au1000.c @@ -112,7 +112,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, first_cfg = 0; pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP); if (!pci_cfg_vm) - panic (KERN_ERR "PCI unable to get vm area\n"); + panic(KERN_ERR "PCI unable to get vm area\n"); pci_cfg_wired_entry = read_c0_wired(); add_wired_entry(0, 0, (unsigned long)pci_cfg_vm->addr, PM_4K); last_entryLo0 = last_entryLo1 = 0xffffffff; diff --git a/arch/mips/pci/ops-nile4.c b/arch/mips/pci/ops-nile4.c new file mode 100644 index 000000000000..b7f0fb0210f4 --- /dev/null +++ b/arch/mips/pci/ops-nile4.c @@ -0,0 +1,147 @@ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <asm/bootinfo.h> + +#include <asm/lasat/lasat.h> +#include <asm/gt64120.h> +#include <asm/nile4.h> + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + +#define LO(reg) (reg / 4) +#define HI(reg) (reg / 4 + 1) + +volatile unsigned long *const vrc_pciregs = (void *) Vrc5074_BASE; + +static DEFINE_SPINLOCK(nile4_pci_lock); + +static int nile4_pcibios_config_access(unsigned char access_type, + struct pci_bus *bus, unsigned int devfn, int where, u32 *val) +{ + unsigned char busnum = bus->number; + u32 adr, mask, err; + + if ((busnum == 0) && (PCI_SLOT(devfn) > 8)) + /* The addressing scheme chosen leaves room for just + * 8 devices on the first busnum (besides the PCI + * controller itself) */ + return PCIBIOS_DEVICE_NOT_FOUND; + + if ((busnum == 0) && (devfn == PCI_DEVFN(0, 0))) { + /* Access controller registers directly */ + if (access_type == PCI_ACCESS_WRITE) { + vrc_pciregs[(0x200 + where) >> 2] = *val; + } else { + *val = vrc_pciregs[(0x200 + where) >> 2]; + } + return PCIBIOS_SUCCESSFUL; + } + + /* Temporarily map PCI Window 1 to config space */ + mask = vrc_pciregs[LO(NILE4_PCIINIT1)]; + vrc_pciregs[LO(NILE4_PCIINIT1)] = 0x0000001a | (busnum ? 0x200 : 0); + + /* Clear PCI Error register. This also clears the Error Type + * bits in the Control register */ + vrc_pciregs[LO(NILE4_PCIERR)] = 0; + vrc_pciregs[HI(NILE4_PCIERR)] = 0; + + /* Setup address */ + if (busnum == 0) + adr = + KSEG1ADDR(PCI_WINDOW1) + + ((1 << (PCI_SLOT(devfn) + 15)) | (PCI_FUNC(devfn) << 8) + | (where & ~3)); + else + adr = KSEG1ADDR(PCI_WINDOW1) | (busnum << 16) | (devfn << 8) | + (where & ~3); + + if (access_type == PCI_ACCESS_WRITE) + *(u32 *) adr = *val; + else + *val = *(u32 *) adr; + + /* Check for master or target abort */ + err = (vrc_pciregs[HI(NILE4_PCICTRL)] >> 5) & 0x7; + + /* Restore PCI Window 1 */ + vrc_pciregs[LO(NILE4_PCIINIT1)] = mask; + + if (err) + return PCIBIOS_DEVICE_NOT_FOUND; + + return PCIBIOS_SUCCESSFUL; +} + +static int nile4_pcibios_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + unsigned long flags; + u32 data = 0; + int err; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + spin_lock_irqsave(&nile4_pci_lock, flags); + err = nile4_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, where, + &data); + spin_unlock_irqrestore(&nile4_pci_lock, flags); + + if (err) + return err; + + if (size == 1) + *val = (data >> ((where & 3) << 3)) & 0xff; + else if (size == 2) + *val = (data >> ((where & 3) << 3)) & 0xffff; + else + *val = data; + + return PCIBIOS_SUCCESSFUL; +} + +static int nile4_pcibios_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + unsigned long flags; + u32 data = 0; + int err; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + spin_lock_irqsave(&nile4_pci_lock, flags); + err = nile4_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, where, + &data); + spin_unlock_irqrestore(&nile4_pci_lock, flags); + + if (err) + return err; + + if (size == 1) + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else if (size == 2) + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else + data = val; + + if (nile4_pcibios_config_access + (PCI_ACCESS_WRITE, bus, devfn, where, &data)) + return -1; + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops nile4_pci_ops = { + .read = nile4_pcibios_read, + .write = nile4_pcibios_write, +}; diff --git a/arch/mips/pci/ops-sni.c b/arch/mips/pci/ops-sni.c index fa2d2c60f797..97ed25b92edf 100644 --- a/arch/mips/pci/ops-sni.c +++ b/arch/mips/pci/ops-sni.c @@ -70,13 +70,13 @@ static int pcimt_write(struct pci_bus *bus, unsigned int devfn, int reg, switch (size) { case 1: - outb (val, PCIMT_CONFIG_DATA + (reg & 3)); + outb(val, PCIMT_CONFIG_DATA + (reg & 3)); break; case 2: - outw (val, PCIMT_CONFIG_DATA + (reg & 2)); + outw(val, PCIMT_CONFIG_DATA + (reg & 2)); break; case 4: - outl (val, PCIMT_CONFIG_DATA); + outl(val, PCIMT_CONFIG_DATA); break; } @@ -93,7 +93,7 @@ static int pcit_set_config_address(unsigned int busno, unsigned int devfn, int r if ((devfn > 255) || (reg > 255) || (busno > 255)) return PCIBIOS_BAD_REGISTER_NUMBER; - outl ((1 << 31) | ((busno & 0xff) << 16) | ((devfn & 0xff) << 8) | (reg & 0xfc), 0xcf8); + outl((1 << 31) | ((busno & 0xff) << 16) | ((devfn & 0xff) << 8) | (reg & 0xfc), 0xcf8); return PCIBIOS_SUCCESSFUL; } @@ -108,12 +108,12 @@ static int pcit_read(struct pci_bus *bus, unsigned int devfn, int reg, * we don't do it, we will get a data bus error */ if (bus->number == 0) { - pcit_set_config_address (0, 0, 0x68); - outl (inl (0xcfc) | 0xc0000000, 0xcfc); + pcit_set_config_address(0, 0, 0x68); + outl(inl(0xcfc) | 0xc0000000, 0xcfc); if ((res = pcit_set_config_address(0, devfn, 0))) return res; - outl (0xffffffff, 0xcfc); - pcit_set_config_address (0, 0, 0x68); + outl(0xffffffff, 0xcfc); + pcit_set_config_address(0, 0, 0x68); if (inl(0xcfc) & 0x100000) return PCIBIOS_DEVICE_NOT_FOUND; } @@ -144,13 +144,13 @@ static int pcit_write(struct pci_bus *bus, unsigned int devfn, int reg, switch (size) { case 1: - outb (val, PCIMT_CONFIG_DATA + (reg & 3)); + outb(val, PCIMT_CONFIG_DATA + (reg & 3)); break; case 2: - outw (val, PCIMT_CONFIG_DATA + (reg & 2)); + outw(val, PCIMT_CONFIG_DATA + (reg & 2)); break; case 4: - outl (val, PCIMT_CONFIG_DATA); + outl(val, PCIMT_CONFIG_DATA); break; } diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c index 2b4e30c7d105..5443ea3596f8 100644 --- a/arch/mips/pci/pci-bcm1480.c +++ b/arch/mips/pci/pci-bcm1480.c @@ -49,8 +49,8 @@ * Macros for calculating offsets into config space given a device * structure or dev/fun/reg */ -#define CFGOFFSET(bus,devfn,where) (((bus)<<16)+((devfn)<<8)+(where)) -#define CFGADDR(bus,devfn,where) CFGOFFSET((bus)->number,(devfn),where) +#define CFGOFFSET(bus, devfn, where) (((bus)<<16)+((devfn)<<8)+(where)) +#define CFGADDR(bus, devfn, where) CFGOFFSET((bus)->number, (devfn), where) static void *cfg_space; @@ -255,7 +255,7 @@ static int __init bcm1480_pcibios_init(void) register_pci_controller(&bcm1480_controller); #ifdef CONFIG_VGA_CONSOLE - take_over_console(&vga_con,0,MAX_NR_CONSOLES-1,1); + take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1); #endif return 0; } diff --git a/arch/mips/pci/pci-bcm1480ht.c b/arch/mips/pci/pci-bcm1480ht.c index ba2e34b09231..a63e3bd6b0ac 100644 --- a/arch/mips/pci/pci-bcm1480ht.c +++ b/arch/mips/pci/pci-bcm1480ht.c @@ -48,8 +48,8 @@ * Macros for calculating offsets into config space given a device * structure or dev/fun/reg */ -#define CFGOFFSET(bus,devfn,where) (((bus)<<16)+((devfn)<<8)+(where)) -#define CFGADDR(bus,devfn,where) CFGOFFSET((bus)->number,(devfn),where) +#define CFGOFFSET(bus, devfn, where) (((bus)<<16)+((devfn)<<8)+(where)) +#define CFGADDR(bus, devfn, where) CFGOFFSET((bus)->number, (devfn), where) static void *ht_cfg_space; diff --git a/arch/mips/pci/pci-lasat.c b/arch/mips/pci/pci-lasat.c new file mode 100644 index 000000000000..5abd5c7119be --- /dev/null +++ b/arch/mips/pci/pci-lasat.c @@ -0,0 +1,91 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2000, 2001, 04 Keith M Wesolowski + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/types.h> +#include <asm/bootinfo.h> + +extern struct pci_ops nile4_pci_ops; +extern struct pci_ops gt64xxx_pci0_ops; +static struct resource lasat_pci_mem_resource = { + .name = "LASAT PCI MEM", + .start = 0x18000000, + .end = 0x19ffffff, + .flags = IORESOURCE_MEM, +}; + +static struct resource lasat_pci_io_resource = { + .name = "LASAT PCI IO", + .start = 0x1a000000, + .end = 0x1bffffff, + .flags = IORESOURCE_IO, +}; + +static struct pci_controller lasat_pci_controller = { + .mem_resource = &lasat_pci_mem_resource, + .io_resource = &lasat_pci_io_resource, +}; + +static int __init lasat_pci_setup(void) +{ + printk(KERN_DEBUG "PCI: starting\n"); + + switch (mips_machtype) { + case MACH_LASAT_100: + lasat_pci_controller.pci_ops = >64xxx_pci0_ops; + break; + case MACH_LASAT_200: + lasat_pci_controller.pci_ops = &nile4_pci_ops; + break; + default: + panic("pcibios_init: mips_machtype incorrect"); + } + + register_pci_controller(&lasat_pci_controller); + + return 0; +} + +arch_initcall(lasat_pci_setup); + +#define LASATINT_ETH1 0 +#define LASATINT_ETH0 1 +#define LASATINT_HDC 2 +#define LASATINT_COMP 3 +#define LASATINT_HDLC 4 +#define LASATINT_PCIA 5 +#define LASATINT_PCIB 6 +#define LASATINT_PCIC 7 +#define LASATINT_PCID 8 + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + switch (slot) { + case 1: + case 2: + case 3: + return LASATINT_PCIA + (((slot-1) + (pin-1)) % 4); + case 4: + return LASATINT_ETH1; /* Ethernet 1 (LAN 2) */ + case 5: + return LASATINT_ETH0; /* Ethernet 0 (LAN 1) */ + case 6: + return LASATINT_HDC; /* IDE controller */ + default: + return 0xff; /* Illegal */ + } + + return -1; +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} diff --git a/arch/mips/pci/pci-sb1250.c b/arch/mips/pci/pci-sb1250.c index c1ac6493155e..42e4d2c800fa 100644 --- a/arch/mips/pci/pci-sb1250.c +++ b/arch/mips/pci/pci-sb1250.c @@ -49,8 +49,8 @@ * Macros for calculating offsets into config space given a device * structure or dev/fun/reg */ -#define CFGOFFSET(bus,devfn,where) (((bus)<<16) + ((devfn)<<8) + (where)) -#define CFGADDR(bus,devfn,where) CFGOFFSET((bus)->number,(devfn),where) +#define CFGOFFSET(bus, devfn, where) (((bus)<<16) + ((devfn)<<8) + (where)) +#define CFGADDR(bus, devfn, where) CFGOFFSET((bus)->number, (devfn), where) static void *cfg_space; diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c index 9885fa403603..240df9e33813 100644 --- a/arch/mips/pci/pci-vr41xx.c +++ b/arch/mips/pci/pci-vr41xx.c @@ -228,7 +228,7 @@ static int __init vr41xx_pciu_init(void) else pciu_write(PCIEXACCREG, 0); - if (current_cpu_data.cputype == CPU_VR4122) + if (current_cpu_type() == CPU_VR4122) pciu_write(PCITRDYVREG, TRDYV(setup->wait_time_limit_from_irdy_to_trdy)); pciu_write(LATTIMEREG, MLTIM(setup->master_latency_timer)); |