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-rw-r--r--arch/mips/pci/Makefile2
-rw-r--r--arch/mips/pci/fixup-atlas.c6
-rw-r--r--arch/mips/pci/fixup-cobalt.c40
-rw-r--r--arch/mips/pci/ops-au1000.c2
-rw-r--r--arch/mips/pci/ops-nile4.c147
-rw-r--r--arch/mips/pci/ops-sni.c22
-rw-r--r--arch/mips/pci/pci-bcm1480.c6
-rw-r--r--arch/mips/pci/pci-bcm1480ht.c4
-rw-r--r--arch/mips/pci/pci-lasat.c91
-rw-r--r--arch/mips/pci/pci-sb1250.c4
-rw-r--r--arch/mips/pci/pci-vr41xx.c2
11 files changed, 292 insertions, 34 deletions
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 4ee6800e67e..ed0c07622ba 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 45224fd2c7b..506e883a8c7 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 76b4f0ffb1e..f7df1142912 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 7932dfe5eb9..6b29904acf4 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 00000000000..b7f0fb0210f
--- /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 fa2d2c60f79..97ed25b92ed 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 2b4e30c7d10..5443ea3596f 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 ba2e34b0923..a63e3bd6b0a 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 00000000000..5abd5c7119b
--- /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 = &gt64xxx_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 c1ac6493155..42e4d2c800f 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 9885fa40360..240df9e3381 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));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 15:03:53 +0000