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Commit 4c153431 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Fix return value from memcpy
  [POWERPC] iseries: Define insw et al. so libata/ide will compile
  [POWERPC] Fix irq enable/disable in smp_generic_take_timebase
  [POWERPC] Fix problem with time not advancing on 32-bit platforms
  [POWERPC] Restore copyright notice in arch/powerpc/kernel/fpu.S
  [POWERPC] Fix up ibm_architecture_vec definition
  [POWERPC] Make OF irq map code detect more error cases
  [POWERPC] Support for "weird" MPICs and fixup mpc7448_hpc2
  [POWERPC] Fix MPIC sense codes in documentation
  [POWERPC] Fix performance regression in IRQ radix tree locking
  [POWERPC] Add mpc7448hpc2 device tree source file
  [POWERPC] Add MPC8349E MDS device tree source file to arch/powerpc/boot/dts
  [POWERPC] modify mpc83xx platforms to use new IRQ layer
  [POWERPC] Adapt ipic driver to new host_ops interface, add set_irq_type to set IRQ sense
  [POWERPC] back up old school ipic.[hc] to arch/ppc
  [POWERPC] Use mpc8641hpcn PIC base address from dev tree.
  [POWERPC] Allow MPC8641 HPCN to build with CONFIG_PCI disabled too.
  [POWERPC] Fix powerpc 44x_mmu build
  [POWERPC] Remove flush_dcache_all export
parents eb36c288 d0027bf0
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Documentation/powerpc/booting-without-of.txt
View file @ 4c153431
......@@ -1136,10 +1136,10 @@ Sense and level information should be encoded as follows:
Devices connected to openPIC-compatible controllers should encode
sense and polarity as follows:
0 = high to low edge sensitive type enabled
0 = low to high edge sensitive type enabled
1 = active low level sensitive type enabled
2 = low to high edge sensitive type enabled
3 = active high level sensitive type enabled
2 = active high level sensitive type enabled
3 = high to low edge sensitive type enabled
ISA PIC interrupt controllers should adhere to the ISA PIC
encodings listed below:
......
arch/powerpc/Kconfig
View file @ 4c153431
......@@ -354,6 +354,7 @@ endchoice
config PPC_PSERIES
depends on PPC_MULTIPLATFORM && PPC64
bool "IBM pSeries & new (POWER5-based) iSeries"
select MPIC
select PPC_I8259
select PPC_RTAS
select RTAS_ERROR_LOGGING
......@@ -363,6 +364,7 @@ config PPC_PSERIES
config PPC_CHRP
bool "Common Hardware Reference Platform (CHRP) based machines"
depends on PPC_MULTIPLATFORM && PPC32
select MPIC
select PPC_I8259
select PPC_INDIRECT_PCI
select PPC_RTAS
......@@ -373,6 +375,7 @@ config PPC_CHRP
config PPC_PMAC
bool "Apple PowerMac based machines"
depends on PPC_MULTIPLATFORM
select MPIC
select PPC_INDIRECT_PCI if PPC32
select PPC_MPC106 if PPC32
default y
......@@ -380,6 +383,7 @@ config PPC_PMAC
config PPC_PMAC64
bool
depends on PPC_PMAC && POWER4
select MPIC
select U3_DART
select MPIC_BROKEN_U3
select GENERIC_TBSYNC
......@@ -389,6 +393,7 @@ config PPC_PMAC64
config PPC_PREP
bool "PowerPC Reference Platform (PReP) based machines"
depends on PPC_MULTIPLATFORM && PPC32 && BROKEN
select MPIC
select PPC_I8259
select PPC_INDIRECT_PCI
select PPC_UDBG_16550
......@@ -397,6 +402,7 @@ config PPC_PREP
config PPC_MAPLE
depends on PPC_MULTIPLATFORM && PPC64
bool "Maple 970FX Evaluation Board"
select MPIC
select U3_DART
select MPIC_BROKEN_U3
select GENERIC_TBSYNC
......@@ -439,12 +445,6 @@ config U3_DART
depends on PPC_MULTIPLATFORM && PPC64
default n
config MPIC
depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE || PPC_CHRP \
|| MPC7448HPC2
bool
default y
config PPC_RTAS
bool
default n
......@@ -812,6 +812,14 @@ config GENERIC_ISA_DMA
depends on PPC64 || POWER4 || 6xx && !CPM2
default y
config MPIC
bool
default n
config MPIC_WEIRD
bool
default n
config PPC_I8259
bool
default n
......
arch/powerpc/boot/dts/mpc7448hpc2.dts 0 → 100644
View file @ 4c153431
/*
* MPC7448HPC2 (Taiga) board Device Tree Source
*
* Copyright 2006 Freescale Semiconductor Inc.
* 2006 Roy Zang <Roy Zang at freescale.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.
*/
/ {
model = "mpc7448hpc2";
compatible = "mpc74xx";
#address-cells = <1>;
#size-cells = <1>;
linux,phandle = <100>;
cpus {
#cpus = <1>;
#address-cells = <1>;
#size-cells =<0>;
linux,phandle = <200>;
PowerPC,7448@0 {
device_type = "cpu";
reg = <0>;
d-cache-line-size = <20>; // 32 bytes
i-cache-line-size = <20>; // 32 bytes
d-cache-size = <8000>; // L1, 32K bytes
i-cache-size = <8000>; // L1, 32K bytes
timebase-frequency = <0>; // 33 MHz, from uboot
clock-frequency = <0>; // From U-Boot
bus-frequency = <0>; // From U-Boot
32-bit;
linux,phandle = <201>;
linux,boot-cpu;
};
};
memory {
device_type = "memory";
linux,phandle = <300>;
reg = <00000000 20000000 // DDR2 512M at 0
>;
};
tsi108@c0000000 {
#address-cells = <1>;
#size-cells = <1>;
#interrupt-cells = <2>;
device_type = "tsi-bridge";
ranges = <00000000 c0000000 00010000>;
reg = <c0000000 00010000>;
bus-frequency = <0>;
i2c@7000 {
interrupt-parent = <7400>;
interrupts = <E 0>;
reg = <7000 400>;
device_type = "i2c";
compatible = "tsi-i2c";
};
mdio@6000 {
device_type = "mdio";
compatible = "tsi-ethernet";
ethernet-phy@6000 {
linux,phandle = <6000>;
interrupt-parent = <7400>;
interrupts = <2 1>;
reg = <6000 50>;
phy-id = <8>;
device_type = "ethernet-phy";
};
ethernet-phy@6400 {
linux,phandle = <6400>;
interrupt-parent = <7400>;
interrupts = <2 1>;
reg = <6000 50>;
phy-id = <9>;
device_type = "ethernet-phy";
};
};
ethernet@6200 {
#size-cells = <0>;
device_type = "network";
model = "TSI-ETH";
compatible = "tsi-ethernet";
reg = <6000 200>;
address = [ 00 06 D2 00 00 01 ];
interrupts = <10 2>;
interrupt-parent = <7400>;
phy-handle = <6000>;
};
ethernet@6600 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSI-ETH";
compatible = "tsi-ethernet";
reg = <6400 200>;
address = [ 00 06 D2 00 00 02 ];
interrupts = <11 2>;
interrupt-parent = <7400>;
phy-handle = <6400>;
};
serial@7808 {
device_type = "serial";
compatible = "ns16550";
reg = <7808 200>;
clock-frequency = <3f6b5a00>;
interrupts = <c 0>;
interrupt-parent = <7400>;
};
serial@7c08 {
device_type = "serial";
compatible = "ns16550";
reg = <7c08 200>;
clock-frequency = <3f6b5a00>;
interrupts = <d 0>;
interrupt-parent = <7400>;
};
pic@7400 {
linux,phandle = <7400>;
clock-frequency = <0>;
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <7400 400>;
built-in;
compatible = "chrp,open-pic";
device_type = "open-pic";
big-endian;
};
pci@1000 {
compatible = "tsi10x";
device_type = "pci";
linux,phandle = <1000>;
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <1000 1000>;
bus-range = <0 0>;
ranges = <02000000 0 e0000000 e0000000 0 1A000000
01000000 0 00000000 fa000000 0 00010000>;
clock-frequency = <7f28154>;
interrupt-parent = <7400>;
interrupts = <17 2>;
interrupt-map-mask = <f800 0 0 7>;
interrupt-map = <
/* IDSEL 0x11 */
0800 0 0 1 7400 24 0
0800 0 0 2 7400 25 0
0800 0 0 3 7400 26 0
0800 0 0 4 7400 27 0
/* IDSEL 0x12 */
1000 0 0 1 7400 25 0
1000 0 0 2 7400 26 0
1000 0 0 3 7400 27 0
1000 0 0 4 7400 24 0
/* IDSEL 0x13 */
1800 0 0 1 7400 26 0
1800 0 0 2 7400 27 0
1800 0 0 3 7400 24 0
1800 0 0 4 7400 25 0
/* IDSEL 0x14 */
2000 0 0 1 7400 27 0
2000 0 0 2 7400 24 0
2000 0 0 3 7400 25 0
2000 0 0 4 7400 26 0
>;
};
};
};
arch/powerpc/boot/dts/mpc8349emds.dts 0 → 100644
View file @ 4c153431
/*
* MPC8349E MDS Device Tree Source
*
* Copyright 2005, 2006 Freescale Semiconductor Inc.
*
* 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.
*/
/ {
model = "MPC8349EMDS";
compatible = "MPC834xMDS";
#address-cells = <1>;
#size-cells = <1>;
cpus {
#cpus = <1>;
#address-cells = <1>;
#size-cells = <0>;
PowerPC,8349@0 {
device_type = "cpu";
reg = <0>;
d-cache-line-size = <20>; // 32 bytes
i-cache-line-size = <20>; // 32 bytes
d-cache-size = <8000>; // L1, 32K
i-cache-size = <8000>; // L1, 32K
timebase-frequency = <0>; // from bootloader
bus-frequency = <0>; // from bootloader
clock-frequency = <0>; // from bootloader
32-bit;
};
};
memory {
device_type = "memory";
reg = <00000000 10000000>; // 256MB at 0
};
soc8349@e0000000 {
#address-cells = <1>;
#size-cells = <1>;
#interrupt-cells = <2>;
device_type = "soc";
ranges = <0 e0000000 00100000>;
reg = <e0000000 00000200>;
bus-frequency = <0>;
wdt@200 {
device_type = "watchdog";
compatible = "mpc83xx_wdt";
reg = <200 100>;
};
i2c@3000 {
device_type = "i2c";
compatible = "fsl-i2c";
reg = <3000 100>;
interrupts = <e 8>;
interrupt-parent = <700>;
dfsrr;
};
i2c@3100 {
device_type = "i2c";
compatible = "fsl-i2c";
reg = <3100 100>;
interrupts = <f 8>;
interrupt-parent = <700>;
dfsrr;
};
spi@7000 {
device_type = "spi";
compatible = "mpc83xx_spi";
reg = <7000 1000>;
interrupts = <10 8>;
interrupt-parent = <700>;
mode = <0>;
};
/* phy type (ULPI or SERIAL) are only types supportted for MPH */
/* port = 0 or 1 */
usb@22000 {
device_type = "usb";
compatible = "fsl-usb2-mph";
reg = <22000 1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = <700>;
interrupts = <27 2>;
phy_type = "ulpi";
port1;
};
/* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
usb@23000 {
device_type = "usb";
compatible = "fsl-usb2-dr";
reg = <23000 1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = <700>;
interrupts = <26 2>;
phy_type = "ulpi";
};
mdio@24520 {
device_type = "mdio";
compatible = "gianfar";
reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
linux,phandle = <24520>;
ethernet-phy@0 {
linux,phandle = <2452000>;
interrupt-parent = <700>;
interrupts = <11 2>;
reg = <0>;
device_type = "ethernet-phy";
};
ethernet-phy@1 {
linux,phandle = <2452001>;
interrupt-parent = <700>;
interrupts = <12 2>;
reg = <1>;
device_type = "ethernet-phy";
};
};
ethernet@24000 {
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <20 8 21 8 22 8>;
interrupt-parent = <700>;
phy-handle = <2452000>;
};
ethernet@25000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 8 24 8 25 8>;
interrupt-parent = <700>;
phy-handle = <2452001>;
};
serial@4500 {
device_type = "serial";
compatible = "ns16550";
reg = <4500 100>;
clock-frequency = <0>;
interrupts = <9 8>;
interrupt-parent = <700>;
};
serial@4600 {
device_type = "serial";
compatible = "ns16550";
reg = <4600 100>;
clock-frequency = <0>;
interrupts = <a 8>;
interrupt-parent = <700>;
};
pci@8500 {
interrupt-map-mask = <f800 0 0 7>;
interrupt-map = <
/* IDSEL 0x11 */
8800 0 0 1 700 14 8
8800 0 0 2 700 15 8
8800 0 0 3 700 16 8
8800 0 0 4 700 17 8
/* IDSEL 0x12 */
9000 0 0 1 700 16 8
9000 0 0 2 700 17 8
9000 0 0 3 700 14 8
9000 0 0 4 700 15 8
/* IDSEL 0x13 */
9800 0 0 1 700 17 8
9800 0 0 2 700 14 8
9800 0 0 3 700 15 8
9800 0 0 4 700 16 8
/* IDSEL 0x15 */
a800 0 0 1 700 14 8
a800 0 0 2 700 15 8
a800 0 0 3 700 16 8
a800 0 0 4 700 17 8
/* IDSEL 0x16 */
b000 0 0 1 700 17 8
b000 0 0 2 700 14 8
b000 0 0 3 700 15 8
b000 0 0 4 700 16 8
/* IDSEL 0x17 */
b800 0 0 1 700 16 8
b800 0 0 2 700 17 8
b800 0 0 3 700 14 8
b800 0 0 4 700 15 8
/* IDSEL 0x18 */
b000 0 0 1 700 15 8
b000 0 0 2 700 16 8
b000 0 0 3 700 17 8
b000 0 0 4 700 14 8>;
interrupt-parent = <700>;
interrupts = <42 8>;
bus-range = <0 0>;
ranges = <02000000 0 a0000000 a0000000 0 10000000
42000000 0 80000000 80000000 0 10000000
01000000 0 00000000 e2000000 0 00100000>;
clock-frequency = <3f940aa>;
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <8500 100>;
compatible = "83xx";
device_type = "pci";
};
pci@8600 {
interrupt-map-mask = <f800 0 0 7>;
interrupt-map = <
/* IDSEL 0x11 */
8800 0 0 1 700 14 8
8800 0 0 2 700 15 8
8800 0 0 3 700 16 8
8800 0 0 4 700 17 8
/* IDSEL 0x12 */
9000 0 0 1 700 16 8
9000 0 0 2 700 17 8
9000 0 0 3 700 14 8
9000 0 0 4 700 15 8
/* IDSEL 0x13 */
9800 0 0 1 700 17 8
9800 0 0 2 700 14 8
9800 0 0 3 700 15 8
9800 0 0 4 700 16 8
/* IDSEL 0x15 */
a800 0 0 1 700 14 8
a800 0 0 2 700 15 8
a800 0 0 3 700 16 8
a800 0 0 4 700 17 8
/* IDSEL 0x16 */
b000 0 0 1 700 17 8
b000 0 0 2 700 14 8
b000 0 0 3 700 15 8
b000 0 0 4 700 16 8
/* IDSEL 0x17 */
b800 0 0 1 700 16 8
b800 0 0 2 700 17 8
b800 0 0 3 700 14 8
b800 0 0 4 700 15 8
/* IDSEL 0x18 */
b000 0 0 1 700 15 8
b000 0 0 2 700 16 8
b000 0 0 3 700 17 8
b000 0 0 4 700 14 8>;
interrupt-parent = <700>;
interrupts = <42 8>;
bus-range = <0 0>;
ranges = <02000000 0 b0000000 b0000000 0 10000000
42000000 0 90000000 90000000 0 10000000
01000000 0 00000000 e2100000 0 00100000>;
clock-frequency = <3f940aa>;
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <8600 100>;
compatible = "83xx";
device_type = "pci";
};
/* May need to remove if on a part without crypto engine */
crypto@30000 {
device_type = "crypto";
model = "SEC2";
compatible = "talitos";
reg = <30000 10000>;
interrupts = <b 8>;
interrupt-parent = <700>;
num-channels = <4>;
channel-fifo-len = <18>;
exec-units-mask = <0000007e>;
/* desc mask is for rev2.0,
* we need runtime fixup for >2.0 */
descriptor-types-mask = <01010ebf>;
};
/* IPIC
* interrupts cell = <intr #, sense>
* sense values match linux IORESOURCE_IRQ_* defines:
* sense == 8: Level, low assertion
* sense == 2: Edge, high-to-low change
*/
pic@700 {
linux,phandle = <700>;
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <700 100>;
built-in;
device_type = "ipic";
};
};
};
arch/powerpc/kernel/fpu.S
View file @ 4c153431
......@@ -2,6 +2,11 @@
* FPU support code, moved here from head.S so that it can be used
* by chips which use other head-whatever.S files.
*
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
* Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
* Copyright (C) 1996 Paul Mackerras.
* Copyright (C) 1997 Dan Malek (dmalek@jlc.net).
*
* 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
......
arch/powerpc/kernel/irq.c
View file @ 4c153431
......@@ -322,7 +322,8 @@ EXPORT_SYMBOL(do_softirq);
static LIST_HEAD(irq_hosts);
static spinlock_t irq_big_lock = SPIN_LOCK_UNLOCKED;
static DEFINE_PER_CPU(unsigned int, irq_radix_reader);
static unsigned int irq_radix_writer;
struct irq_map_entry irq_map[NR_IRQS];
static unsigned int irq_virq_count = NR_IRQS;
static struct irq_host *irq_default_host;
......@@ -455,6 +456,58 @@ void irq_set_virq_count(unsigned int count)
irq_virq_count = count;
}
/* radix tree not lockless safe ! we use a brlock-type mecanism
* for now, until we can use a lockless radix tree
*/
static void irq_radix_wrlock(unsigned long *flags)
{
unsigned int cpu, ok;
spin_lock_irqsave(&irq_big_lock, *flags);
irq_radix_writer = 1;
smp_mb();
do {
barrier();
ok = 1;
for_each_possible_cpu(cpu) {
if (per_cpu(irq_radix_reader, cpu)) {
ok = 0;
break;
}
}
if (!ok)
cpu_relax();
} while(!ok);
}
static void irq_radix_wrunlock(unsigned long flags)
{
smp_wmb();
irq_radix_writer = 0;
spin_unlock_irqrestore(&irq_big_lock, flags);
}
static void irq_radix_rdlock(unsigned long *flags)
{
local_irq_save(*flags);
__get_cpu_var(irq_radix_reader) = 1;
smp_mb();
if (likely(irq_radix_writer == 0))
return;
__get_cpu_var(irq_radix_reader) = 0;
smp_wmb();
spin_lock(&irq_big_lock);
__get_cpu_var(irq_radix_reader) = 1;
spin_unlock(&irq_big_lock);
}
static void irq_radix_rdunlock(unsigned long flags)
{
__get_cpu_var(irq_radix_reader) = 0;
local_irq_restore(flags);
}
unsigned int irq_create_mapping(struct irq_host *host,
irq_hw_number_t hwirq)
{
......@@ -604,13 +657,9 @@ void irq_dispose_mapping(unsigned int virq)
/* Check if radix tree allocated yet */
if (host->revmap_data.tree.gfp_mask == 0)
break;
/* XXX radix tree not safe ! remove lock whem it becomes safe
* and use some RCU sync to make sure everything is ok before we
* can re-use that map entry
*/
spin_lock_irqsave(&irq_big_lock, flags);
irq_radix_wrlock(&flags);
radix_tree_delete(&host->revmap_data.tree, hwirq);
spin_unlock_irqrestore(&irq_big_lock, flags);
irq_radix_wrunlock(flags);
break;
}
......@@ -677,25 +726,24 @@ unsigned int irq_radix_revmap(struct irq_host *host,
if (tree->gfp_mask == 0)
return irq_find_mapping(host, hwirq);
/* XXX Current radix trees are NOT SMP safe !!! Remove that lock
* when that is fixed (when Nick's patch gets in
*/
spin_lock_irqsave(&irq_big_lock, flags);
/* Now try to resolve */
irq_radix_rdlock(&flags);
ptr = radix_tree_lookup(tree, hwirq);
irq_radix_rdunlock(flags);
/* Found it, return */
if (ptr) {
virq = ptr - irq_map;
goto bail;
return virq;
}
/* If not there, try to insert it */
virq = irq_find_mapping(host, hwirq);
if (virq != NO_IRQ)
if (virq != NO_IRQ) {
irq_radix_wrlock(&flags);
radix_tree_insert(tree, hwirq, &irq_map[virq]);
bail:
spin_unlock_irqrestore(&irq_big_lock, flags);
irq_radix_wrunlock(flags);
}
return virq;
}
......@@ -806,12 +854,12 @@ static int irq_late_init(void)
struct irq_host *h;
unsigned long flags;
spin_lock_irqsave(&irq_big_lock, flags);
irq_radix_wrlock(&flags);
list_for_each_entry(h, &irq_hosts, link) {
if (h->revmap_type == IRQ_HOST_MAP_TREE)
INIT_RADIX_TREE(&h->revmap_data.tree, GFP_ATOMIC);
}
spin_unlock_irqrestore(&irq_big_lock, flags);
irq_radix_wrunlock(flags);
return 0;
}
......
arch/powerpc/kernel/pci_64.c
View file @ 4c153431
......@@ -1289,6 +1289,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
DBG("Try to map irq for %s...\n", pci_name(pci_dev));
#ifdef DEBUG
memset(&oirq, 0xff, sizeof(oirq));
#endif
/* Try to get a mapping from the device-tree */
if (of_irq_map_pci(pci_dev, &oirq)) {
u8 line, pin;
......@@ -1314,8 +1317,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
if (virq != NO_IRQ)
set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
} else {
DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
oirq.size, oirq.specifier[0], oirq.controller->full_name);
DBG(" -> got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
oirq.size, oirq.specifier[0], oirq.specifier[1],
oirq.controller->full_name);
virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
oirq.size);
......@@ -1324,6 +1328,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
DBG(" -> failed to map !\n");
return -1;
}
DBG(" -> mapped to linux irq %d\n", virq);
pci_dev->irq = virq;
pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
......
arch/powerpc/kernel/ppc_ksyms.c
View file @ 4c153431
......@@ -126,10 +126,6 @@ EXPORT_SYMBOL(pci_bus_mem_base_phys);
EXPORT_SYMBOL(pci_bus_to_hose);
#endif /* CONFIG_PCI */
#ifdef CONFIG_NOT_COHERENT_CACHE
EXPORT_SYMBOL(flush_dcache_all);
#endif
EXPORT_SYMBOL(start_thread);
EXPORT_SYMBOL(kernel_thread);
......
arch/powerpc/kernel/prom_init.c
View file @ 4c153431
......@@ -646,13 +646,13 @@ static unsigned char ibm_architecture_vec[] = {
5 - 1, /* 5 option vectors */
/* option vector 1: processor architectures supported */
3 - 1, /* length */
3 - 2, /* length */
0, /* don't ignore, don't halt */
OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 |
OV1_PPC_2_04 | OV1_PPC_2_05,
/* option vector 2: Open Firmware options supported */
34 - 1, /* length */
34 - 2, /* length */
OV2_REAL_MODE,
0, 0,
W(0xffffffff), /* real_base */
......@@ -666,16 +666,16 @@ static unsigned char ibm_architecture_vec[] = {
48, /* max log_2(hash table size) */
/* option vector 3: processor options supported */
3 - 1, /* length */
3 - 2, /* length */
0, /* don't ignore, don't halt */
OV3_FP | OV3_VMX,
/* option vector 4: IBM PAPR implementation */
2 - 1, /* length */
2 - 2, /* length */
0, /* don't halt */
/* option vector 5: PAPR/OF options */
3 - 1, /* length */
3 - 2, /* length */
0, /* don't ignore, don't halt */
OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES,
};
......
arch/powerpc/kernel/prom_parse.c
View file @ 4c153431
......@@ -639,14 +639,17 @@ void of_irq_map_init(unsigned int flags)
}
int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
struct of_irq *out_irq)
int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 ointsize,
u32 *addr, struct of_irq *out_irq)
{
struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
u32 *tmp, *imap, *imask;
u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
int imaplen, match, i;
DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
parent->full_name, intspec[0], intspec[1], ointsize);
ipar = of_node_get(parent);
/* First get the #interrupt-cells property of the current cursor
......@@ -670,6 +673,9 @@ int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
if (ointsize != intsize)
return -EINVAL;
/* Look for this #address-cells. We have to implement the old linux
* trick of looking for the parent here as some device-trees rely on it
*/
......@@ -875,12 +881,15 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
}
intsize = *tmp;
DBG(" intsize=%d intlen=%d\n", intsize, intlen);
/* Check index */
if ((index + 1) * intsize > intlen)
return -EINVAL;
/* Get new specifier and map it */
res = of_irq_map_raw(p, intspec + index * intsize, addr, out_irq);
res = of_irq_map_raw(p, intspec + index * intsize, intsize,
addr, out_irq);
of_node_put(p);
return res;
}
......@@ -965,7 +974,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
laddr[0] = (pdev->bus->number << 16)
| (pdev->devfn << 8);
laddr[1] = laddr[2] = 0;
return of_irq_map_raw(ppnode, &lspec, laddr, out_irq);
return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq);
}
EXPORT_SYMBOL_GPL(of_irq_map_pci);
#endif /* CONFIG_PCI */
arch/powerpc/kernel/smp-tbsync.c
View file @ 4c153431
......@@ -45,8 +45,9 @@ void __devinit smp_generic_take_timebase(void)
{
int cmd;
u64 tb;
unsigned long flags;
local_irq_disable();
local_irq_save(flags);
while (!running)
barrier();
rmb();
......@@ -70,7 +71,7 @@ void __devinit smp_generic_take_timebase(void)
set_tb(tb >> 32, tb & 0xfffffffful);
enter_contest(tbsync->mark, -1);
}
local_irq_enable();
local_irq_restore(flags);
}
static int __devinit start_contest(int cmd, long offset, int num)
......
arch/powerpc/lib/memcpy_64.S
View file @ 4c153431
......@@ -11,6 +11,7 @@
.align 7
_GLOBAL(memcpy)
std r3,48(r1) /* save destination pointer for return value */
mtcrf 0x01,r5
cmpldi cr1,r5,16
neg r6,r3 # LS 3 bits = # bytes to 8-byte dest bdry
......@@ -38,7 +39,7 @@ _GLOBAL(memcpy)
stdu r9,16(r3)
bdnz 1b
3: std r8,8(r3)
beqlr
beq 3f
addi r3,r3,16
ld r9,8(r4)
.Ldo_tail:
......@@ -53,7 +54,8 @@ _GLOBAL(memcpy)
2: bf cr7*4+3,3f
rotldi r9,r9,8
stb r9,0(r3)
3: blr
3: ld r3,48(r1) /* return dest pointer */
blr
.Lsrc_unaligned:
srdi r6,r5,3
......@@ -115,7 +117,7 @@ _GLOBAL(memcpy)
5: srd r12,r9,r11
or r12,r8,r12
std r12,24(r3)
beqlr
beq 4f
cmpwi cr1,r5,8
addi r3,r3,32
sld r9,r9,r10
......@@ -167,4 +169,5 @@ _GLOBAL(memcpy)
3: bf cr7*4+3,4f
lbz r0,0(r4)
stb r0,0(r3)
4: blr
4: ld r3,48(r1) /* return dest pointer */
blr
arch/powerpc/mm/44x_mmu.c
View file @ 4c153431
......@@ -103,7 +103,7 @@ unsigned long __init mmu_mapin_ram(void)
/* Determine number of entries necessary to cover lowmem */
pinned_tlbs = (unsigned int)
(_ALIGN(total_lowmem, PPC44x_PIN_SIZE) >> PPC44x_PIN_SHIFT);
(_ALIGN(total_lowmem, PPC_PIN_SIZE) >> PPC44x_PIN_SHIFT);
/* Write upper watermark to save location */
tlb_44x_hwater = PPC44x_LOW_SLOT - pinned_tlbs;
......@@ -111,7 +111,7 @@ unsigned long __init mmu_mapin_ram(void)
/* If necessary, set additional pinned TLBs */
if (pinned_tlbs > 1)
for (i = (PPC44x_LOW_SLOT-(pinned_tlbs-1)); i < PPC44x_LOW_SLOT; i++) {
unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC44x_PIN_SIZE;
unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC_PIN_SIZE;
ppc44x_pin_tlb(i, phys_addr+PAGE_OFFSET, phys_addr);
}
......
arch/powerpc/platforms/83xx/mpc834x_itx.c
View file @ 4c153431
......@@ -46,26 +46,6 @@ unsigned long isa_io_base = 0;
unsigned long isa_mem_base = 0;
#endif
#ifdef CONFIG_PCI
static int
mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{PIRQB, PIRQC, PIRQD, PIRQA}, /* idsel 0x0e */
{PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x0f */
{PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x10 */
};
const long min_idsel = 0x0e, max_idsel = 0x10, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
#endif /* CONFIG_PCI */
/* ************************************************************************
*
* Setup the architecture
......@@ -92,8 +72,6 @@ static void __init mpc834x_itx_setup_arch(void)
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
add_bridge(np);
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = mpc83xx_map_irq;
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
......@@ -106,25 +84,13 @@ static void __init mpc834x_itx_setup_arch(void)
void __init mpc834x_itx_init_IRQ(void)
{
u8 senses[8] = {
0, /* EXT 0 */
IRQ_SENSE_LEVEL, /* EXT 1 */
IRQ_SENSE_LEVEL, /* EXT 2 */
0, /* EXT 3 */
#ifdef CONFIG_PCI
IRQ_SENSE_LEVEL, /* EXT 4 */
IRQ_SENSE_LEVEL, /* EXT 5 */
IRQ_SENSE_LEVEL, /* EXT 6 */
IRQ_SENSE_LEVEL, /* EXT 7 */
#else
0, /* EXT 4 */
0, /* EXT 5 */
0, /* EXT 6 */
0, /* EXT 7 */
#endif
};
struct device_node *np;
ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
np = of_find_node_by_type(NULL, "ipic");
if (!np)
return;
ipic_init(np, 0);
/* Initialize the default interrupt mapping priorities,
* in case the boot rom changed something on us.
......@@ -153,4 +119,7 @@ define_machine(mpc834x_itx) {
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
.pcibios_fixup = mpc83xx_pcibios_fixup,
#endif
};
arch/powerpc/platforms/83xx/mpc834x_sys.c
View file @ 4c153431
......@@ -43,33 +43,6 @@ unsigned long isa_io_base = 0;
unsigned long isa_mem_base = 0;
#endif
#ifdef CONFIG_PCI
static int
mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x11 */
{PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x12 */
{PIRQD, PIRQA, PIRQB, PIRQC}, /* idsel 0x13 */
{0, 0, 0, 0},
{PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x15 */
{PIRQD, PIRQA, PIRQB, PIRQC}, /* idsel 0x16 */
{PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x17 */
{PIRQB, PIRQC, PIRQD, PIRQA}, /* idsel 0x18 */
{0, 0, 0, 0}, /* idsel 0x19 */
{0, 0, 0, 0}, /* idsel 0x20 */
};
const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
#endif /* CONFIG_PCI */
/* ************************************************************************
*
* Setup the architecture
......@@ -96,8 +69,6 @@ static void __init mpc834x_sys_setup_arch(void)
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
add_bridge(np);
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = mpc83xx_map_irq;
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
......@@ -110,25 +81,13 @@ static void __init mpc834x_sys_setup_arch(void)
void __init mpc834x_sys_init_IRQ(void)
{
u8 senses[8] = {
0, /* EXT 0 */
IRQ_SENSE_LEVEL, /* EXT 1 */
IRQ_SENSE_LEVEL, /* EXT 2 */
0, /* EXT 3 */
#ifdef CONFIG_PCI
IRQ_SENSE_LEVEL, /* EXT 4 */
IRQ_SENSE_LEVEL, /* EXT 5 */
IRQ_SENSE_LEVEL, /* EXT 6 */
IRQ_SENSE_LEVEL, /* EXT 7 */
#else
0, /* EXT 4 */
0, /* EXT 5 */
0, /* EXT 6 */
0, /* EXT 7 */
#endif
};
struct device_node *np;
ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
np = of_find_node_by_type(NULL, "ipic");
if (!np)
return;
ipic_init(np, 0);
/* Initialize the default interrupt mapping priorities,
* in case the boot rom changed something on us.
......@@ -178,4 +137,7 @@ define_machine(mpc834x_sys) {
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
.pcibios_fixup = mpc83xx_pcibios_fixup,
#endif
};
arch/powerpc/platforms/83xx/mpc83xx.h
View file @ 4c153431
......@@ -11,6 +11,7 @@
extern int add_bridge(struct device_node *dev);
extern int mpc83xx_exclude_device(u_char bus, u_char devfn);
extern void mpc83xx_pcibios_fixup(void);
extern void mpc83xx_restart(char *cmd);
extern long mpc83xx_time_init(void);
......
arch/powerpc/platforms/83xx/pci.c
View file @ 4c153431
......@@ -45,6 +45,15 @@ int mpc83xx_exclude_device(u_char bus, u_char devfn)
return PCIBIOS_SUCCESSFUL;
}
void __init mpc83xx_pcibios_fixup(void)
{
struct pci_dev *dev = NULL;
/* map all the PCI irqs */
for_each_pci_dev(dev)
pci_read_irq_line(dev);
}
int __init add_bridge(struct device_node *dev)
{
int len;
......
arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
View file @ 4c153431
......@@ -52,6 +52,7 @@ unsigned long pci_dram_offset = 0;
#endif
#ifdef CONFIG_PCI
static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc,
struct pt_regs *regs)
{
......@@ -60,40 +61,43 @@ static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc,
generic_handle_irq(cascade_irq, regs);
desc->chip->eoi(irq);
}
#endif /* CONFIG_PCI */
void __init
mpc86xx_hpcn_init_irq(void)
{
struct mpic *mpic1;
struct device_node *np, *cascade_node = NULL;
struct device_node *np;
struct resource res;
#ifdef CONFIG_PCI
struct device_node *cascade_node = NULL;
int cascade_irq;
phys_addr_t openpic_paddr;
#endif
/* Determine PIC address. */
np = of_find_node_by_type(NULL, "open-pic");
if (np == NULL)
return;
/* Determine the Physical Address of the OpenPIC regs */
openpic_paddr = get_immrbase() + MPC86xx_OPENPIC_OFFSET;
of_address_to_resource(np, 0, &res);
/* Alloc mpic structure and per isu has 16 INT entries. */
mpic1 = mpic_alloc(np, openpic_paddr,
mpic1 = mpic_alloc(np, res.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
16, NR_IRQS - 4,
" MPIC ");
BUG_ON(mpic1 == NULL);
mpic_assign_isu(mpic1, 0, openpic_paddr + 0x10000);
mpic_assign_isu(mpic1, 0, res.start + 0x10000);
/* 48 Internal Interrupts */
mpic_assign_isu(mpic1, 1, openpic_paddr + 0x10200);
mpic_assign_isu(mpic1, 2, openpic_paddr + 0x10400);
mpic_assign_isu(mpic1, 3, openpic_paddr + 0x10600);
mpic_assign_isu(mpic1, 1, res.start + 0x10200);
mpic_assign_isu(mpic1, 2, res.start + 0x10400);
mpic_assign_isu(mpic1, 3, res.start + 0x10600);
/* 16 External interrupts
* Moving them from [0 - 15] to [64 - 79]
*/
mpic_assign_isu(mpic1, 4, openpic_paddr + 0x10000);
mpic_assign_isu(mpic1, 4, res.start + 0x10000);
mpic_init(mpic1);
......
arch/powerpc/platforms/86xx/pci.c
View file @ 4c153431
......@@ -188,7 +188,8 @@ int __init add_bridge(struct device_node *dev)
printk(KERN_INFO "Found MPC86xx PCIE host bridge at 0x%08lx. "
"Firmware bus number: %d->%d\n",
rsrc.start, hose->first_busno, hose->last_busno);
(unsigned long) rsrc.start,
hose->first_busno, hose->last_busno);
DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
hose, hose->cfg_addr, hose->cfg_data);
......
arch/powerpc/platforms/embedded6xx/Kconfig
View file @ 4c153431
......@@ -80,6 +80,7 @@ config MPC7448HPC2
select DEFAULT_UIMAGE
select PPC_UDBG_16550
select MPIC
select MPIC_WEIRD
help
Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
platform
......
arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
View file @ 4c153431
......@@ -215,7 +215,7 @@ static void __init mpc7448_hpc2_init_IRQ(void)
mpic = mpic_alloc(tsi_pic, mpic_paddr,
MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_MOD_ID(MPIC_ID_TSI108),
MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
0, /* num_sources used */
0, /* num_sources used */
"Tsi108_PIC");
......
arch/powerpc/sysdev/Makefile
View file @ 4c153431
......@@ -9,11 +9,11 @@ obj-$(CONFIG_BOOKE) += dcr.o
obj-$(CONFIG_40x) += dcr.o
obj-$(CONFIG_U3_DART) += dart_iommu.o
obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o
obj-$(CONFIG_PPC_83xx) += ipic.o
obj-$(CONFIG_FSL_SOC) += fsl_soc.o
obj-$(CONFIG_PPC_TODC) += todc.o
obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o
ifeq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_PPC_I8259) += i8259.o
endif
obj-$(CONFIG_PPC_83xx) += ipic.o
endif
arch/powerpc/sysdev/ipic.c
View file @ 4c153431
This diff is collapsed.
arch/powerpc/sysdev/ipic.h
View file @ 4c153431
......@@ -15,7 +15,18 @@
#include <asm/ipic.h>
#define MPC83xx_IPIC_SIZE (0x00100)
#define NR_IPIC_INTS 128
/* External IRQS */
#define IPIC_IRQ_EXT0 48
#define IPIC_IRQ_EXT1 17
#define IPIC_IRQ_EXT7 23
/* Default Priority Registers */
#define IPIC_SIPRR_A_DEFAULT 0x05309770
#define IPIC_SIPRR_D_DEFAULT 0x05309770
#define IPIC_SMPRR_A_DEFAULT 0x05309770
#define IPIC_SMPRR_B_DEFAULT 0x05309770
/* System Global Interrupt Configuration Register */
#define SICFR_IPSA 0x00010000
......@@ -31,7 +42,15 @@
struct ipic {
volatile u32 __iomem *regs;
unsigned int irq_offset;
/* The remapper for this IPIC */
struct irq_host *irqhost;
/* The "linux" controller struct */
struct irq_chip hc_irq;
/* The device node of the interrupt controller */
struct device_node *of_node;
};
struct ipic_info {
......
arch/powerpc/sysdev/mpic.c
View file @ 4c153431
This diff is collapsed.
arch/ppc/kernel/smp-tbsync.c
View file @ 4c153431
......@@ -47,8 +47,9 @@ void __devinit
smp_generic_take_timebase( void )
{
int cmd, tbl, tbu;
unsigned long flags;
local_irq_disable();
local_irq_save(flags);
while( !running )
;
rmb();
......@@ -64,7 +65,7 @@ smp_generic_take_timebase( void )
tbu = tbsync->tbu;
tbsync->ack = 0;
if( cmd == kExit )
return;
break;
if( cmd == kSetAndTest ) {
while( tbsync->handshake )
......@@ -77,7 +78,7 @@ smp_generic_take_timebase( void )
}
enter_contest( tbsync->mark, -1 );
}
local_irq_enable();
local_irq_restore(flags);
}
static int __devinit
......
arch/ppc/syslib/Makefile
View file @ 4c153431
......@@ -93,7 +93,7 @@ obj-$(CONFIG_PCI) += pci_auto.o
endif
obj-$(CONFIG_RAPIDIO) += ppc85xx_rio.o
obj-$(CONFIG_83xx) += ppc83xx_setup.o ppc_sys.o \
mpc83xx_sys.o mpc83xx_devices.o
mpc83xx_sys.o mpc83xx_devices.o ipic.o
ifeq ($(CONFIG_83xx),y)
obj-$(CONFIG_PCI) += pci_auto.o
endif
......
arch/ppc/syslib/ipic.c 0 → 100644
View file @ 4c153431
This diff is collapsed.
arch/ppc/syslib/ipic.h 0 → 100644
View file @ 4c153431
/*
* IPIC private definitions and structure.
*
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
*
* Copyright 2005 Freescale Semiconductor, Inc
*
* 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.
*/
#ifndef __IPIC_H__
#define __IPIC_H__
#include <asm/ipic.h>
#define MPC83xx_IPIC_SIZE (0x00100)
/* System Global Interrupt Configuration Register */
#define SICFR_IPSA 0x00010000
#define SICFR_IPSD 0x00080000
#define SICFR_MPSA 0x00200000
#define SICFR_MPSB 0x00400000
/* System External Interrupt Mask Register */
#define SEMSR_SIRQ0 0x00008000
/* System Error Control Register */
#define SERCR_MCPR 0x00000001
struct ipic {
volatile u32 __iomem *regs;
unsigned int irq_offset;
};
struct ipic_info {
u8 pend; /* pending register offset from base */
u8 mask; /* mask register offset from base */
u8 prio; /* priority register offset from base */
u8 force; /* force register offset from base */
u8 bit; /* register bit position (as per doc)
bit mask = 1 << (31 - bit) */
u8 prio_mask; /* priority mask value */
};
#endif /* __IPIC_H__ */
include/asm-powerpc/io.h
View file @ 4c153431
......@@ -72,6 +72,9 @@ extern unsigned long pci_io_base;
* Neither do the standard versions now, these are just here
* for older code.
*/
#define insb(port, buf, ns) _insb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
#define insw(port, buf, ns) _insw_ns((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
#define insl(port, buf, nl) _insl_ns((u8 __iomem *)((port)+pci_io_base), (buf), (nl))
#define insw_ns(port, buf, ns) _insw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
#define insl_ns(port, buf, nl) _insl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
#else
......@@ -137,12 +140,12 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
#define insw_ns(port, buf, ns) eeh_insw_ns((port), (buf), (ns))
#define insl_ns(port, buf, nl) eeh_insl_ns((port), (buf), (nl))
#endif
#define outsb(port, buf, ns) _outsb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
#define outsw(port, buf, ns) _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
#define outsl(port, buf, nl) _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
#endif
#define readb_relaxed(addr) readb(addr)
#define readw_relaxed(addr) readw(addr)
#define readl_relaxed(addr) readl(addr)
......
include/asm-powerpc/ipic.h
View file @ 4c153431
......@@ -69,9 +69,6 @@ enum ipic_mcp_irq {
IPIC_MCP_MU = 7,
};
extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
unsigned int irq_offset,
unsigned char *senses, unsigned int senses_count);
extern int ipic_set_priority(unsigned int irq, unsigned int priority);
extern void ipic_set_highest_priority(unsigned int irq);
extern void ipic_set_default_priority(void);
......@@ -79,7 +76,16 @@ extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);
extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq);
extern u32 ipic_get_mcp_status(void);
extern void ipic_clear_mcp_status(u32 mask);
#ifdef CONFIG_PPC_MERGE
extern void ipic_init(struct device_node *node, unsigned int flags);
extern unsigned int ipic_get_irq(struct pt_regs *regs);
#else
extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
unsigned int irq_offset,
unsigned char *senses, unsigned int senses_count);
extern int ipic_get_irq(struct pt_regs *regs);
#endif
#endif /* __ASM_IPIC_H__ */
#endif /* __KERNEL__ */
include/asm-powerpc/mpc86xx.h
View file @ 4c153431
......@@ -23,8 +23,6 @@
#define _ISA_MEM_BASE isa_mem_base
#ifdef CONFIG_PCI
#define PCI_DRAM_OFFSET pci_dram_offset
#else
#define PCI_DRAM_OFFSET 0
#endif
#define CPU0_BOOT_RELEASE 0x01000000
......@@ -33,7 +31,6 @@
#define MCM_PORT_CONFIG_OFFSET 0x1010
/* Offset from CCSRBAR */
#define MPC86xx_OPENPIC_OFFSET (0x40000)
#define MPC86xx_MCM_OFFSET (0x00000)
#define MPC86xx_MCM_SIZE (0x02000)
......
include/asm-powerpc/mpic.h
View file @ 4c153431
......@@ -41,6 +41,7 @@
#define MPIC_GREG_IPI_VECTOR_PRI_1 0x000b0
#define MPIC_GREG_IPI_VECTOR_PRI_2 0x000c0
#define MPIC_GREG_IPI_VECTOR_PRI_3 0x000d0
#define MPIC_GREG_IPI_STRIDE 0x10
#define MPIC_GREG_SPURIOUS 0x000e0
#define MPIC_GREG_TIMER_FREQ 0x000f0
......@@ -68,6 +69,7 @@
#define MPIC_CPU_IPI_DISPATCH_1 0x00050
#define MPIC_CPU_IPI_DISPATCH_2 0x00060
#define MPIC_CPU_IPI_DISPATCH_3 0x00070
#define MPIC_CPU_IPI_DISPATCH_STRIDE 0x00010
#define MPIC_CPU_CURRENT_TASK_PRI 0x00080
#define MPIC_CPU_TASKPRI_MASK 0x0000000f
#define MPIC_CPU_WHOAMI 0x00090
......@@ -114,6 +116,103 @@
#define MPIC_VEC_TIMER_1 248
#define MPIC_VEC_TIMER_0 247
/*
* Tsi108 implementation of MPIC has many differences from the original one
*/
/*
* Global registers
*/
#define TSI108_GREG_BASE 0x00000
#define TSI108_GREG_FEATURE_0 0x00000
#define TSI108_GREG_GLOBAL_CONF_0 0x00004
#define TSI108_GREG_VENDOR_ID 0x0000c
#define TSI108_GREG_IPI_VECTOR_PRI_0 0x00204 /* Doorbell 0 */
#define TSI108_GREG_IPI_STRIDE 0x0c
#define TSI108_GREG_SPURIOUS 0x00010
#define TSI108_GREG_TIMER_FREQ 0x00014
/*
* Timer registers
*/
#define TSI108_TIMER_BASE 0x0030
#define TSI108_TIMER_STRIDE 0x10
#define TSI108_TIMER_CURRENT_CNT 0x00000
#define TSI108_TIMER_BASE_CNT 0x00004
#define TSI108_TIMER_VECTOR_PRI 0x00008
#define TSI108_TIMER_DESTINATION 0x0000c
/*
* Per-Processor registers
*/
#define TSI108_CPU_BASE 0x00300
#define TSI108_CPU_STRIDE 0x00040
#define TSI108_CPU_IPI_DISPATCH_0 0x00200
#define TSI108_CPU_IPI_DISPATCH_STRIDE 0x00000
#define TSI108_CPU_CURRENT_TASK_PRI 0x00000
#define TSI108_CPU_WHOAMI 0xffffffff
#define TSI108_CPU_INTACK 0x00004
#define TSI108_CPU_EOI 0x00008
/*
* Per-source registers
*/
#define TSI108_IRQ_BASE 0x00100
#define TSI108_IRQ_STRIDE 0x00008
#define TSI108_IRQ_VECTOR_PRI 0x00000
#define TSI108_VECPRI_VECTOR_MASK 0x000000ff
#define TSI108_VECPRI_POLARITY_POSITIVE 0x01000000
#define TSI108_VECPRI_POLARITY_NEGATIVE 0x00000000
#define TSI108_VECPRI_SENSE_LEVEL 0x02000000
#define TSI108_VECPRI_SENSE_EDGE 0x00000000
#define TSI108_VECPRI_POLARITY_MASK 0x01000000
#define TSI108_VECPRI_SENSE_MASK 0x02000000
#define TSI108_IRQ_DESTINATION 0x00004
/* weird mpic register indices and mask bits in the HW info array */
enum {
MPIC_IDX_GREG_BASE = 0,
MPIC_IDX_GREG_FEATURE_0,
MPIC_IDX_GREG_GLOBAL_CONF_0,
MPIC_IDX_GREG_VENDOR_ID,
MPIC_IDX_GREG_IPI_VECTOR_PRI_0,
MPIC_IDX_GREG_IPI_STRIDE,
MPIC_IDX_GREG_SPURIOUS,
MPIC_IDX_GREG_TIMER_FREQ,
MPIC_IDX_TIMER_BASE,
MPIC_IDX_TIMER_STRIDE,
MPIC_IDX_TIMER_CURRENT_CNT,
MPIC_IDX_TIMER_BASE_CNT,
MPIC_IDX_TIMER_VECTOR_PRI,
MPIC_IDX_TIMER_DESTINATION,
MPIC_IDX_CPU_BASE,
MPIC_IDX_CPU_STRIDE,
MPIC_IDX_CPU_IPI_DISPATCH_0,
MPIC_IDX_CPU_IPI_DISPATCH_STRIDE,
MPIC_IDX_CPU_CURRENT_TASK_PRI,
MPIC_IDX_CPU_WHOAMI,
MPIC_IDX_CPU_INTACK,
MPIC_IDX_CPU_EOI,
MPIC_IDX_IRQ_BASE,
MPIC_IDX_IRQ_STRIDE,
MPIC_IDX_IRQ_VECTOR_PRI,
MPIC_IDX_VECPRI_VECTOR_MASK,
MPIC_IDX_VECPRI_POLARITY_POSITIVE,
MPIC_IDX_VECPRI_POLARITY_NEGATIVE,
MPIC_IDX_VECPRI_SENSE_LEVEL,
MPIC_IDX_VECPRI_SENSE_EDGE,
MPIC_IDX_VECPRI_POLARITY_MASK,
MPIC_IDX_VECPRI_SENSE_MASK,
MPIC_IDX_IRQ_DESTINATION,
MPIC_IDX_END
};
#ifdef CONFIG_MPIC_BROKEN_U3
/* Fixup table entry */
struct mpic_irq_fixup
......@@ -171,15 +270,29 @@ struct mpic
volatile u32 __iomem *cpuregs[MPIC_MAX_CPUS];
volatile u32 __iomem *isus[MPIC_MAX_ISU];
#ifdef CONFIG_MPIC_WEIRD
/* Pointer to HW info array */
u32 *hw_set;
#endif
/* link */
struct mpic *next;
};
/*
* MPIC flags (passed to mpic_alloc)
*
* The top 4 bits contain an MPIC bhw id that is used to index the
* register offsets and some masks when CONFIG_MPIC_WEIRD is set.
* Note setting any ID (leaving those bits to 0) means standard MPIC
*/
/* This is the primary controller, only that one has IPIs and
* has afinity control. A non-primary MPIC always uses CPU0
* registers only
*/
#define MPIC_PRIMARY 0x00000001
/* Set this for a big-endian MPIC */
#define MPIC_BIG_ENDIAN 0x00000002
/* Broken U3 MPIC */
......@@ -188,6 +301,18 @@ struct mpic
#define MPIC_BROKEN_IPI 0x00000008
/* MPIC wants a reset */
#define MPIC_WANTS_RESET 0x00000010
/* Spurious vector requires EOI */
#define MPIC_SPV_EOI 0x00000020
/* No passthrough disable */
#define MPIC_NO_PTHROU_DIS 0x00000040
/* MPIC HW modification ID */
#define MPIC_REGSET_MASK 0xf0000000
#define MPIC_REGSET(val) (((val) & 0xf ) << 28)
#define MPIC_GET_REGSET(flags) (((flags) >> 28) & 0xf)
#define MPIC_REGSET_STANDARD MPIC_REGSET(0) /* Original MPIC */
#define MPIC_REGSET_TSI108 MPIC_REGSET(1) /* Tsi108/109 PIC */
/* Allocate the controller structure and setup the linux irq descs
* for the range if interrupts passed in. No HW initialization is
......
include/asm-powerpc/prom.h
View file @ 4c153431
......@@ -276,6 +276,7 @@ extern void of_irq_map_init(unsigned int flags);
* of_irq_map_raw - Low level interrupt tree parsing
* @parent: the device interrupt parent
* @intspec: interrupt specifier ("interrupts" property of the device)
* @ointsize: size of the passed in interrupt specifier
* @addr: address specifier (start of "reg" property of the device)
* @out_irq: structure of_irq filled by this function
*
......@@ -288,7 +289,8 @@ extern void of_irq_map_init(unsigned int flags);
*
*/
extern int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
extern int of_irq_map_raw(struct device_node *parent, u32 *intspec,
u32 ointsize, u32 *addr,
struct of_irq *out_irq);
......
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