Commit fa1b4579 authored by Linus Torvalds's avatar Linus Torvalds

Merge bk://bk.arm.linux.org.uk/linux-2.6-rmk

into ppc970.osdl.org:/home/torvalds/v2.6/linux
parents f614ba1b e9479a8d
...@@ -257,7 +257,7 @@ config DISCONTIGMEM ...@@ -257,7 +257,7 @@ config DISCONTIGMEM
# Now handle the bus types # Now handle the bus types
config PCI config PCI
bool "PCI support" if ARCH_INTEGRATOR_AP bool "PCI support" if ARCH_INTEGRATOR_AP
default y if ARCH_FTVPCI || ARCH_SHARK || FOOTBRIDGE_HOST || ARCH_IOP3XX || ARCH_IXP4XX default y if ARCH_SHARK || FOOTBRIDGE_HOST || ARCH_IOP3XX || ARCH_IXP4XX
help help
Find out whether you have a PCI motherboard. PCI is the name of a Find out whether you have a PCI motherboard. PCI is the name of a
bus system, i.e. the way the CPU talks to the other stuff inside bus system, i.e. the way the CPU talks to the other stuff inside
...@@ -270,11 +270,6 @@ config PCI ...@@ -270,11 +270,6 @@ config PCI
doesn't. doesn't.
# Select the host bridge type # Select the host bridge type
config PCI_HOST_PLX90X0
bool
depends on PCI && ARCH_FTVPCI
default y
config PCI_HOST_VIA82C505 config PCI_HOST_VIA82C505
bool bool
depends on PCI && ARCH_SHARK depends on PCI && ARCH_SHARK
...@@ -550,7 +545,7 @@ config CMDLINE ...@@ -550,7 +545,7 @@ config CMDLINE
config LEDS config LEDS
bool "Timer and CPU usage LEDs" bool "Timer and CPU usage LEDs"
depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_FTVPCI || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP || ARCH_VERSATILE_PB depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP || ARCH_VERSATILE_PB
help help
If you say Y here, the LEDs on your machine will be used If you say Y here, the LEDs on your machine will be used
to provide useful information about your current system status. to provide useful information about your current system status.
...@@ -564,7 +559,7 @@ config LEDS ...@@ -564,7 +559,7 @@ config LEDS
config LEDS_TIMER config LEDS_TIMER
bool "Timer LED" if LEDS && (ARCH_NETWINDER || ARCH_EBSA285 || ARCH_SHARK || MACH_MAINSTONE || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_P720T || ARCH_VERSATILE_PB) bool "Timer LED" if LEDS && (ARCH_NETWINDER || ARCH_EBSA285 || ARCH_SHARK || MACH_MAINSTONE || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_P720T || ARCH_VERSATILE_PB)
depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_FTVPCI || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP || ARCH_VERSATILE_PB depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP || ARCH_VERSATILE_PB
default y if ARCH_EBSA110 default y if ARCH_EBSA110
help help
If you say Y here, one of the system LEDs (the green one on the If you say Y here, one of the system LEDs (the green one on the
...@@ -620,7 +615,7 @@ source "drivers/acorn/block/Kconfig" ...@@ -620,7 +615,7 @@ source "drivers/acorn/block/Kconfig"
source "net/Kconfig" source "net/Kconfig"
if ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX || ARCH_L7200 || ARCH_LH7A40X || ARCH_FTVPCI || ARCH_PXA || ARCH_RPC || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE if ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE
source "drivers/ide/Kconfig" source "drivers/ide/Kconfig"
endif endif
......
...@@ -74,9 +74,6 @@ textaddr-y := 0xC0008000 ...@@ -74,9 +74,6 @@ textaddr-y := 0xC0008000
textaddr-$(CONFIG_ARCH_CO285) := 0x60008000 textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
machine-$(CONFIG_ARCH_CO285) := footbridge machine-$(CONFIG_ARCH_CO285) := footbridge
incdir-$(CONFIG_ARCH_CO285) := ebsa285 incdir-$(CONFIG_ARCH_CO285) := ebsa285
machine-$(CONFIG_ARCH_FTVPCI) := ftvpci
incdir-$(CONFIG_ARCH_FTVPCI) := nexuspci
machine-$(CONFIG_ARCH_TBOX) := tbox
machine-$(CONFIG_ARCH_SHARK) := shark machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_SA1100) := sa1100 machine-$(CONFIG_ARCH_SA1100) := sa1100
ifeq ($(CONFIG_ARCH_SA1100),y) ifeq ($(CONFIG_ARCH_SA1100),y)
......
...@@ -6,6 +6,5 @@ obj-y += platform.o ...@@ -6,6 +6,5 @@ obj-y += platform.o
obj-$(CONFIG_ARM_AMBA) += amba.o obj-$(CONFIG_ARM_AMBA) += amba.o
obj-$(CONFIG_ICST525) += icst525.o obj-$(CONFIG_ICST525) += icst525.o
obj-$(CONFIG_SA1111) += sa1111.o obj-$(CONFIG_SA1111) += sa1111.o
obj-$(CONFIG_PCI_HOST_PLX90X0) += plx90x0.o
obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o
obj-$(CONFIG_DMABOUNCE) += dmabounce.o obj-$(CONFIG_DMABOUNCE) += dmabounce.o
...@@ -234,7 +234,7 @@ map_single(struct device *dev, void *ptr, size_t size, ...@@ -234,7 +234,7 @@ map_single(struct device *dev, void *ptr, size_t size,
} }
} }
dma_addr = virt_to_bus(ptr); dma_addr = virt_to_dma(dev, ptr);
if (device_info && dma_needs_bounce(dev, dma_addr, size)) { if (device_info && dma_needs_bounce(dev, dma_addr, size)) {
struct safe_buffer *buf; struct safe_buffer *buf;
...@@ -248,7 +248,7 @@ map_single(struct device *dev, void *ptr, size_t size, ...@@ -248,7 +248,7 @@ map_single(struct device *dev, void *ptr, size_t size,
dev_dbg(dev, dev_dbg(dev,
"%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n", "%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n",
__func__, buf->ptr, (void *) virt_to_bus(buf->ptr), __func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
buf->safe, (void *) buf->safe_dma_addr); buf->safe, (void *) buf->safe_dma_addr);
if ((dir == DMA_TO_DEVICE) || if ((dir == DMA_TO_DEVICE) ||
...@@ -290,7 +290,7 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, ...@@ -290,7 +290,7 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
dev_dbg(dev, dev_dbg(dev,
"%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n", "%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n",
__func__, buf->ptr, (void *) virt_to_bus(buf->ptr), __func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
buf->safe, (void *) buf->safe_dma_addr); buf->safe, (void *) buf->safe_dma_addr);
...@@ -342,7 +342,7 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size, ...@@ -342,7 +342,7 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size,
dev_dbg(dev, dev_dbg(dev,
"%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n", "%s: unsafe buffer %p (phy=%p) mapped to %p (phy=%p)\n",
__func__, buf->ptr, (void *) virt_to_bus(buf->ptr), __func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr),
buf->safe, (void *) buf->safe_dma_addr); buf->safe, (void *) buf->safe_dma_addr);
DO_STATS ( device_info->bounce_count++ ); DO_STATS ( device_info->bounce_count++ );
...@@ -367,7 +367,7 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size, ...@@ -367,7 +367,7 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size,
} }
consistent_sync(buf->safe, size, dir); consistent_sync(buf->safe, size, dir);
} else { } else {
consistent_sync(bus_to_virt(dma_addr), size, dir); consistent_sync(dma_to_virt(dev, dma_addr), size, dir);
} }
} }
......
/*
* Driver for PLX Technology PCI9000-series host bridge.
*
* Copyright (C) 1997, 1998, 1999, 2000 FutureTV Labs Ltd
*/
/*
* 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/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/ptrace.h>
#include <asm/irq.h>
#include <asm/mach/pci.h>
/*
* Since the following functions are all very similar, the common parts
* are pulled out into these macros.
*/
#define PLX_CLEAR_CONFIG \
__raw_writel(0, PLX_BASE + 0xac); \
local_irq_restore(flags); }
#define PLX_SET_CONFIG \
{ unsigned long flags; \
local_irq_save(flags); \
__raw_writel((1<<31 | (bus->number << 16) \
| (devfn << 8) | (where & ~3) \
| ((bus->number == 0)?0:1)), PLX_BASE + 0xac); \
#define PLX_CONFIG_WRITE(size) \
PLX_SET_CONFIG \
__raw_write##size(value, PCIO_BASE + (where & 3)); \
if (__raw_readw(PLX_BASE + 0x6) & 0x2000) \
__raw_writew(0x2000, PLX_BASE + 0x6); \
PLX_CLEAR_CONFIG \
return PCIBIOS_SUCCESSFUL;
#define PLX_CONFIG_READ(size) \
PLX_SET_CONFIG \
*value = __raw_read##size(PCIO_BASE + (where & 3)); \
if (__raw_readw(PLX_BASE + 0x6) & 0x2000) { \
__raw_writew(0x2000, PLX_BASE + 0x6); \
*value = 0xffffffffUL; \
} \
PLX_CLEAR_CONFIG \
return PCIBIOS_SUCCESSFUL;
/* Configuration space access routines */
static int
plx90x0_read_config (struct pci_bus *bus, unsigned int devfn, int where,
int where, int size, u32 *value)
{
switch (size) {
case 1:
PLX_CONFIG_READ(b)
break;
case 2:
PLX_CONFIG_READ(w)
break;
case 4:
PLX_CONFIG_READ(l)
break;
}
return PCIBIOS_SUCCESSFUL;
}
static int
plx90x0_write_config (struct pci_bus *bus, unsigned int devfn, int where,
int where, int size, u32 value)
{
switch (size) {
case 1:
PLX_CONFIG_WRITE(b)
break;
case 2:
PLX_CONFIG_WRITE(w)
break;
case 4:
PLX_CONFIG_WRITE(l)
break;
}
return PCIBIOS_SUCCESSFUL;
}
static struct pci_ops plx90x0_ops =
{
.read = plx90x0_read_config,
.write = plx90x0_write_config,
};
static void
plx_syserr_handler(int irq, void *handle, struct pt_regs *regs)
{
printk("PLX90x0: machine check %04x (pc=%08lx)\n",
readw(PLX_BASE + 6), regs->ARM_pc);
__raw_writew(0xf000, PLX_BASE + 6);
}
/*
* Initialise the PCI system.
*/
void __init
plx90x0_init(struct arm_sysdata *sysdata)
{
static const unsigned long int base = PLX_BASE;
char *what;
unsigned long bar = (unsigned long)virt_to_bus((void *)PAGE_OFFSET);
/* Have a sniff around and see which PLX device is present. */
unsigned long id = __raw_readl(base + 0xf0);
#if 0
/* This check was a good idea, but can fail. The PLX9060 puts no
default value in these registers unless NB# is asserted (which it
isn't on these cards). */
if ((id & 0xffff) != PCI_VENDOR_ID_PLX)
return; /* Nothing found */
#endif
/* Found one - now work out what it is. */
switch (id >> 16) {
case 0: /* PCI_DEVICE_ID_PLX_9060 */
what = "PCI9060";
break;
case PCI_DEVICE_ID_PLX_9060ES:
what = "PCI9060ES";
break;
case PCI_DEVICE_ID_PLX_9060SD:
what = "PCI9060SD"; /* uhuhh.. */
break;
case PCI_DEVICE_ID_PLX_9080:
what = "PCI9080";
break;
default:
printk("PCI: Unknown PLX device %04lx found -- ignored.\n",
id >> 16);
return;
}
printk("PCI: PLX Technology %s host bridge found.\n", what);
/* Now set it up for both master and slave accesses. */
__raw_writel(0xffff0147, base + 0x4);
__raw_writeb(32, base + 0xd);
__raw_writel(0x8 | bar, base + 0x18);
__raw_writel(0xf8000008, base + 0x80);
__raw_writel(0x40000001, base + 0x84);
__raw_writel(0, base + 0x88);
__raw_writel(0, base + 0x8c);
__raw_writel(0x11, base + 0x94);
__raw_writel(0xC3 + (4 << 28)
+ (8 << 11) + (1 << 10)
+ (1 << 24), base + 0x98);
__raw_writel(0xC0000000, base + 0x9c);
__raw_writel(PLX_MEM_START, base + 0xa0);
__raw_writel(PLX_IO_START, base + 0xa4);
__raw_writel(0x3, base + 0xa8);
__raw_writel(0, base + 0xac);
__raw_writel(0x10001, base + 0xe8);
__raw_writel(0x8000767e, base + 0xec);
request_irq(IRQ_SYSERR, plx_syserr_handler, 0,
"system error", NULL);
pci_scan_bus(0, &plx90x0_ops, sysdata);
}
...@@ -426,7 +426,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) ...@@ -426,7 +426,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
/* /*
* Flush a region from virtual address 'r0' to virtual address 'r1' * Flush a region from virtual address 'r0' to virtual address 'r1'
* _inclusive_. There is no alignment requirement on either address; * _exclusive_. There is no alignment requirement on either address;
* user space does not need to know the hardware cache layout. * user space does not need to know the hardware cache layout.
* *
* r2 contains flags. It should ALWAYS be passed as ZERO until it * r2 contains flags. It should ALWAYS be passed as ZERO until it
......
#
# Makefile for the linux kernel.
#
# Object file lists.
obj-y := core.o
obj-m :=
obj-n :=
obj- :=
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_LEDS) += leds.o
/*
* linux/arch/arm/mach-ftvpci/core.c
*
* Architecture specific fixups.
*
* 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/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
extern unsigned long soft_irq_mask;
static const unsigned char irq_cmd[] =
{
INTCONT_IRQ_DUART,
INTCONT_IRQ_PLX,
INTCONT_IRQ_D,
INTCONT_IRQ_C,
INTCONT_IRQ_B,
INTCONT_IRQ_A,
INTCONT_IRQ_SYSERR
};
static void ftvpci_mask_irq(unsigned int irq)
{
__raw_writel(irq_cmd[irq], INTCONT_BASE);
soft_irq_mask &= ~(1<<irq);
}
static void ftvpci_unmask_irq(unsigned int irq)
{
soft_irq_mask |= (1<<irq);
__raw_writel(irq_cmd[irq] | 1, INTCONT_BASE);
}
static void __init ftvpci_init_irq(void)
{
unsigned int i;
/* Mask all FIQs */
__raw_writel(INTCONT_FIQ_PLX, INTCONT_BASE);
__raw_writel(INTCONT_FIQ_D, INTCONT_BASE);
__raw_writel(INTCONT_FIQ_C, INTCONT_BASE);
__raw_writel(INTCONT_FIQ_B, INTCONT_BASE);
__raw_writel(INTCONT_FIQ_A, INTCONT_BASE);
__raw_writel(INTCONT_FIQ_SYSERR, INTCONT_BASE);
/* Disable all interrupts initially. */
for (i = 0; i < NR_IRQS; i++) {
if (i >= FIRST_IRQ && i <= LAST_IRQ) {
irq_desc[i].valid = 1;
irq_desc[i].probe_ok = 1;
irq_desc[i].mask_ack = ftvpci_mask_irq;
irq_desc[i].mask = ftvpci_mask_irq;
irq_desc[i].unmask = ftvpci_unmask_irq;
ftvpci_mask_irq(i);
} else {
irq_desc[i].valid = 0;
irq_desc[i].probe_ok = 0;
}
}
}
static struct map_desc ftvpci_io_desc[] __initdata = {
{ INTCONT_BASE, INTCONT_START, 0x00001000, MT_DEVICE },
{ PLX_BASE, PLX_START, 0x00001000, MT_DEVICE },
{ PCIO_BASE, PLX_IO_START, 0x00100000, MT_DEVICE },
{ DUART_BASE, DUART_START, 0x00001000, MT_DEVICE },
{ STATUS_BASE, STATUS_START, 0x00001000, MT_DEVICE }
};
static void __init ftvpci_map_io(void)
{
iotable_init(ftvpci_io_desc, ARRAY_SIZE(ftvpci_io_desc));
}
MACHINE_START(NEXUSPCI, "FTV/PCI")
MAINTAINER("Philip Blundell")
BOOT_MEM(0x40000000, 0x10000000, 0xe0000000)
MAPIO(ftvpci_map_io)
INITIRQ(ftvpci_init_irq)
MACHINE_END
/*
* linux/arch/arm/kernel/leds-ftvpci.c
*
* Copyright (C) 1999 FutureTV Labs Ltd
*/
#include <linux/module.h>
#include <linux/init.h>
#include <asm/hardware.h>
#include <asm/leds.h>
#include <asm/system.h>
#include <asm/io.h>
static void ftvpci_leds_event(led_event_t ledevt)
{
static int led_state = 0;
switch(ledevt) {
case led_timer:
led_state ^= 1;
raw_writeb(0x1a | led_state, INTCONT_BASE);
break;
default:
break;
}
}
static int __init ftvpci_leds_init(void)
{
leds_event = ftvpci_leds_event;
return 0;
}
arch_initcall(ftvpci_leds_init);
/*
* linux/arch/arm/kernel/ftv-pci.c
*
* PCI bios-type initialisation for PCI machines
*
* Bits taken from various places.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/irq.h>
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
/*
* Owing to a PCB cockup, issue A backplanes are wired thus:
*
* Slot 1 2 3 4 5 Bridge S1 S2 S3 S4
* IRQ D C B A A C B A D
* A D C B B D C B A
* B A D C C A D C B
* C B A D D B A D C
*
* ID A31 A30 A29 A28 A27 A26 DEV4 DEV5 DEV6 DEV7
*
* Actually, this isn't too bad, because with the processor card
* in slot 5 on the primary bus, the IRQs rotate on both sides
* as you'd expect.
*/
static int irqmap_ftv[] __initdata = { IRQ_PCI_D, IRQ_PCI_C, IRQ_PCI_B, IRQ_PCI_A };
static int __init ftv_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
if (slot > 0x10)
slot--;
return irqmap_ftv[(slot - pin) & 3];
}
static u8 __init ftv_swizzle(struct pci_dev *dev, u8 *pin)
{
return PCI_SLOT(dev->devfn);
}
/* ftv host-specific stuff */
static struct hw_pci ftv_pci __initdata = {
.init = plx90x0_init,
.swizzle = ftv_swizzle,
.map_irq = ftv_map_irq,
};
static int __init ftv_pci_init(void)
{
if (machine_is_ftvpci())
pci_common_init(&ftv_pci);
return 0;
}
subsys_initcall(ftv_pci_init);
...@@ -58,6 +58,24 @@ void pxa_gpio_mode(int gpio_mode) ...@@ -58,6 +58,24 @@ void pxa_gpio_mode(int gpio_mode)
EXPORT_SYMBOL(pxa_gpio_mode); EXPORT_SYMBOL(pxa_gpio_mode);
/*
* Routine to safely enable or disable a clock in the CKEN
*/
void pxa_set_cken(int clock, int enable)
{
unsigned long flags;
local_irq_save(flags);
if (enable)
CKEN |= clock;
else
CKEN &= ~clock;
local_irq_restore(flags);
}
EXPORT_SYMBOL(pxa_set_cken);
/* /*
* Intel PXA2xx internal register mapping. * Intel PXA2xx internal register mapping.
* *
......
#
# Makefile for the linux kernel.
#
# Object file lists.
obj-y := core.o
obj-m :=
obj-n :=
obj- :=
/*
* linux/arch/arm/mm/mm-tbox.c
*
* Copyright (C) 1998, 1999, 2000 Phil Blundell
* Copyright (C) 1998-1999 Russell King
*
* Extra MM routines for the Tbox architecture
*/
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <asm/elf.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
extern unsigned long soft_irq_mask;
static void tbox_mask_irq(unsigned int irq)
{
__raw_writel(0, INTCONT + (irq << 2));
soft_irq_mask &= ~(1<<irq);
}
static void tbox_unmask_irq(unsigned int irq)
{
soft_irq_mask |= (1<<irq);
__raw_writel(1, INTCONT + (irq << 2));
}
static void tbox_init_irq(void)
{
unsigned int i;
/* Disable all interrupts initially. */
for (i = 0; i < NR_IRQS; i++) {
if (i <= 10 || (i >= 12 && i <= 13)) {
irq_desc[i].valid = 1;
irq_desc[i].probe_ok = 0;
irq_desc[i].mask_ack = tbox_mask_irq;
irq_desc[i].mask = tbox_mask_irq;
irq_desc[i].unmask = tbox_unmask_irq;
tbox_mask_irq(i);
} else {
irq_desc[i].valid = 0;
irq_desc[i].probe_ok = 0;
}
}
}
static struct map_desc tbox_io_desc[] __initdata = {
/* See hardware.h for details */
{ IO_BASE, IO_START, 0x00100000, MT_DEVICE }
};
static void __init tbox_map_io(void)
{
iotable_init(tbox_io_desc, ARRAY_SIZE(tbox_io_desc));
}
MACHINE_START(TBOX, "unknown-TBOX")
MAINTAINER("Philip Blundell")
BOOT_MEM(0x80000000, 0x00400000, 0xe0000000)
MAPIO(tbox_map_io)
INITIRQ(tbox_init_irq)
MACHINE_END
...@@ -194,7 +194,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, int gfp, ...@@ -194,7 +194,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, int gfp,
/* /*
* Set the "dma handle" * Set the "dma handle"
*/ */
*handle = page_to_bus(page); *handle = page_to_dma(dev, page);
do { do {
BUG_ON(!pte_none(*pte)); BUG_ON(!pte_none(*pte));
......
...@@ -571,14 +571,9 @@ serial_pxa_pm(struct uart_port *port, unsigned int state, ...@@ -571,14 +571,9 @@ serial_pxa_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate) unsigned int oldstate)
{ {
struct uart_pxa_port *up = (struct uart_pxa_port *)port; struct uart_pxa_port *up = (struct uart_pxa_port *)port;
if (state) { pxa_set_cken(up->cken, !state);
/* sleep */ if (!state)
CKEN &= ~up->cken;
} else {
/* wake */
CKEN |= up->cken;
udelay(1); udelay(1);
}
} }
static void serial_pxa_release_port(struct uart_port *port) static void serial_pxa_release_port(struct uart_port *port)
......
...@@ -1406,7 +1406,7 @@ static void udc_disable(struct pxa2xx_udc *dev) ...@@ -1406,7 +1406,7 @@ static void udc_disable(struct pxa2xx_udc *dev)
#ifdef CONFIG_ARCH_PXA #ifdef CONFIG_ARCH_PXA
/* Disable clock for USB device */ /* Disable clock for USB device */
CKEN &= ~CKEN11_USB; pxa_set_cken(CKEN11_USB, 0);
#endif #endif
ep0_idle (dev); ep0_idle (dev);
...@@ -1452,7 +1452,7 @@ static void udc_enable (struct pxa2xx_udc *dev) ...@@ -1452,7 +1452,7 @@ static void udc_enable (struct pxa2xx_udc *dev)
#ifdef CONFIG_ARCH_PXA #ifdef CONFIG_ARCH_PXA
/* Enable clock for USB device */ /* Enable clock for USB device */
CKEN |= CKEN11_USB; pxa_set_cken(CKEN11_USB, 1);
#endif #endif
/* try to clear these bits before we enable the udc */ /* try to clear these bits before we enable the udc */
......
...@@ -1016,7 +1016,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev) ...@@ -1016,7 +1016,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
struct pxafb_mach_info *inf = dev->platform_data; struct pxafb_mach_info *inf = dev->platform_data;
/* Alloc the pxafb_info and pseudo_palette in one step */ /* Alloc the pxafb_info and pseudo_palette in one step */
fbi = kmalloc(sizeof(struct pxafb_info) + sizeof(u32) * 17, GFP_KERNEL); fbi = kmalloc(sizeof(struct pxafb_info) + sizeof(u32) * 16, GFP_KERNEL);
if (!fbi) if (!fbi)
return NULL; return NULL;
...@@ -1237,7 +1237,6 @@ int __init pxafb_probe(struct device *dev) ...@@ -1237,7 +1237,6 @@ int __init pxafb_probe(struct device *dev)
{ {
struct pxafb_info *fbi; struct pxafb_info *fbi;
struct pxafb_mach_info *inf; struct pxafb_mach_info *inf;
unsigned long flags;
int ret; int ret;
dev_dbg(dev, "pxafb_probe\n"); dev_dbg(dev, "pxafb_probe\n");
...@@ -1301,9 +1300,7 @@ int __init pxafb_probe(struct device *dev) ...@@ -1301,9 +1300,7 @@ int __init pxafb_probe(struct device *dev)
goto failed; goto failed;
} }
/* enable LCD controller clock */ /* enable LCD controller clock */
local_irq_save(flags); pxa_set_cken(CKEN16_LCD, 1);
CKEN |= CKEN16_LCD;
local_irq_restore(flags);
ret = request_irq(IRQ_LCD, pxafb_handle_irq, SA_INTERRUPT, "LCD", fbi); ret = request_irq(IRQ_LCD, pxafb_handle_irq, SA_INTERRUPT, "LCD", fbi);
if (ret) { if (ret) {
......
/*
* linux/include/asm-arm/arch-nexuspci/dma.h
*
* Architecture DMA routines
*
* Copyright (C) 1998, 1999 Philip Blundell
*/
/*
* 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 is the maximum DMA address that can be DMAd to.
*/
#define MAX_DMA_ADDRESS 0xffffffff
#define MAX_DMA_CHANNELS 0
/*
* linux/include/asm-arm/arch-nexuspci/hardware.h
*
* Copyright (C) 1998, 1999, 2000 FutureTV Labs Ltd.
*
* This file contains the hardware definitions of the FTV PCI card.
*/
/*
* 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 __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
/* Logical Physical
* 0xffe00000 0x20000000 INTCONT
* 0xffd00000 0x30000000 Status
* 0xffc00000 0x60000000 PLX registers
* 0xfe000000 0xC0000000 PCI I/O
* 0xfd000000 0x70000000 cache flush
* 0xfc000000 0x80000000 PCI/ISA memory
* 0xe0000000 0x10000000 SCC2691 DUART
*/
/*
* Mapping areas
*/
#define INTCONT_BASE 0xffe00000
#define STATUS_BASE 0xffd00000
#define PLX_BASE 0xffc00000
#define PCIO_BASE 0xfe000000
#define FLUSH_BASE 0xfd000000
#define DUART_BASE 0xe0000000
#define PCIMEM_BASE 0xfc000000
#define PLX_IO_START 0xC0000000
#define PLX_MEM_START 0x80000000
#define PLX_START 0x60000000
#define STATUS_START 0x30000000
#define INTCONT_START 0x20000000
#define DUART_START 0x10000000
/*
* RAM definitions
*/
#define RAM_BASE 0x40000000
#define FLUSH_BASE_PHYS 0x70000000
/*
* Miscellaneous INTCONT bits
*/
#define INTCONT_FIQ_PLX 0x00
#define INTCONT_FIQ_D 0x02
#define INTCONT_FIQ_C 0x04
#define INTCONT_FIQ_B 0x06
#define INTCONT_FIQ_A 0x08
#define INTCONT_FIQ_SYSERR 0x0a
#define INTCONT_IRQ_DUART 0x0c
#define INTCONT_IRQ_PLX 0x0e
#define INTCONT_IRQ_D 0x10
#define INTCONT_IRQ_C 0x12
#define INTCONT_IRQ_B 0x14
#define INTCONT_IRQ_A 0x16
#define INTCONT_IRQ_SYSERR 0x1e
#define INTCONT_WATCHDOG 0x18
#define INTCONT_LED 0x1a
#define INTCONT_PCI_RESET 0x1c
#define UNCACHEABLE_ADDR STATUS_BASE
#endif
/*
* linux/include/asm-arm/arch-nexuspci/io.h
*
* Copyright (C) 1997-1999 Russell King
* Copyright (C) 2000 FutureTV Labs Ltd.
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xffff
/*
* Translation of various region addresses to virtual addresses
*/
#define __io(a) (PCIO_BASE + (a))
#if 1
#define __mem_pci(a) ((unsigned long)(a))
#define __mem_isa(a) (PCIMEM_BASE + (unsigned long)(a))
#else
static inline unsigned long ___mem_pci(unsigned long a)
{
/* PCI addresses must have been ioremapped */
if (a <= 0xc0000000 || a >= 0xe0000000)
*((int *)0) = 0;
return a;
}
static inline unsigned long ___mem_isa(unsigned long a)
{
BUG_ON(a >= 16*1048576);
return PCIMEM_BASE + a;
}
#define __mem_pci(a) ___mem_pci((unsigned long)(a))
#define __mem_isa(a) ___mem_isa((unsigned long)(a))
#endif
/*
* ioremap support - validate a PCI memory address,
* and convert a PCI memory address to a physical
* address for the page tables.
*/
#define iomem_valid_addr(iomem,sz) \
((iomem) < 0x80000000 && (iomem) + (sz) <= 0x80000000)
#define iomem_to_phys(iomem) ((iomem) + PLX_MEM_START)
#define __arch_ioremap(off,sz,nocache) \
({ \
unsigned long _off = (off), _size = (sz); \
void *_ret = (void *)0; \
if (iomem_valid_addr(_off, _size)) \
_ret = __ioremap(iomem_to_phys(_off),_size,0); \
_ret; \
})
#define __arch_iounmap __iounmap
#endif
/*
* linux/include/asm-arm/arch-nexuspci/irqs.h
*
* Copyright (C) 1997, 1998, 2000 Philip Blundell
*/
/*
* 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.
*/
/*
* The hardware is capable of routing any interrupt source (except the
* DUART) to either IRQ or FIQ. We ignore FIQ and use IRQ exclusively
* for simplicity.
*/
#define IRQ_DUART 0
#define IRQ_PLX 1
#define IRQ_PCI_D 2
#define IRQ_PCI_C 3
#define IRQ_PCI_B 4
#define IRQ_PCI_A 5
#define IRQ_SYSERR 6 /* only from IOSLAVE rev B */
#define FIRST_IRQ IRQ_DUART
#define LAST_IRQ IRQ_SYSERR
/* timer is part of the DUART */
#define IRQ_TIMER IRQ_DUART
#define irq_canonicalize(i) (i)
/*
* linux/include/asm-arm/arch-nexuspci/memory.h
*
* Copyright (c) 1997, 1998, 2000 FutureTV Labs Ltd.
* Copyright (c) 1999 Russell King
*
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PHYS_OFFSET (0x40000000UL)
#define BUS_OFFSET (0xe0000000UL)
/*
* On the PCI bus the DRAM appears at address 0xe0000000
*/
#define __virt_to_bus(x) ((unsigned long)(x) - PAGE_OFFSET + BUS_OFFSET)
#define __bus_to_virt(x) ((unsigned long)(x) + PAGE_OFFSET - BUS_OFFSET)
#endif
/*
* linux/include/asm-arm/arch-nexuspci/param.h
*/
/*
* linux/include/asm-arm/arch-nexuspci/system.h
*
* Copyright (c) 1996, 97, 98, 99, 2000 FutureTV Labs Ltd.
*/
/*
* 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 __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#define arch_reset(mode) do { } while (0)
#endif
/*
* linux/include/asm-arm/arch-nexuspci/time.h
*
* Copyright (c) 1997, 1998, 1999, 2000 FutureTV Labs Ltd.
*
* The FTV PCI card has no real-time clock. We get timer ticks from the
* SCC chip.
*/
/*
* 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.
*/
static irqreturn_t
timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
static int count = 25;
unsigned char stat = __raw_readb(DUART_BASE + 0x14);
if (!(stat & 0x10))
return; /* Not for us */
/* Reset counter */
__raw_writeb(0x90, DUART_BASE + 8);
if (--count == 0) {
static int state = 1;
state ^= 1;
__raw_writeb(0x1a + state, INTCONT_BASE);
__raw_writeb(0x18 + state, INTCONT_BASE);
count = 50;
}
/* Wait for slow rise time */
__raw_readb(DUART_BASE + 0x14);
__raw_readb(DUART_BASE + 0x14);
__raw_readb(DUART_BASE + 0x14);
__raw_readb(DUART_BASE + 0x14);
__raw_readb(DUART_BASE + 0x14);
__raw_readb(DUART_BASE + 0x14);
do_timer(regs);
return IRQ_HANDLED;
}
void __init time_init(void)
{
int tick = 3686400 / 16 / 2 / 100;
__raw_writeb(tick & 0xff, DUART_BASE + 0x1c);
__raw_writeb(tick >> 8, DUART_BASE + 0x18);
__raw_writeb(0x80, DUART_BASE + 8);
__raw_writeb(0x10, DUART_BASE + 0x14);
timer_irq.handler = timer_interrupt;
timer_irq.flags = SA_SHIRQ;
setup_irq(IRQ_TIMER, &timer_irq);
}
/*
* linux/include/asm-arm/arch-nexuspci/timex.h
*
* NexusPCI StrongARM card timex specifications
*
* Copyright (C) 1998 Philip Blundell
*/
/*
* linux/include/asm-arm/arch-nexuspci/uncompress.h
*
* Copyright (C) 1998, 1999, 2000 Philip Blundell
*/
/*
* 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 <asm/hardware.h>
#include <asm/io.h>
/*
* Write a character to the UART
*/
void _ll_write_char(char c)
{
while (!(__raw_readb(DUART_START + 0x4) & 0x4))
;
__raw_writeb(c, DUART_START + 0xc);
}
/*
* This does not append a newline
*/
static void puts(const char *s)
{
while (*s) {
if (*s == '\n')
_ll_write_char('\r');
_ll_write_char(*(s++));
}
}
/*
* Set up for decompression
*/
static void arch_decomp_setup(void)
{
/* LED off */
__raw_writel(INTCONT_LED, INTCONT_START);
/* Set up SCC */
__raw_writeb(42, DUART_START + 8);
__raw_writeb(48, DUART_START + 8);
__raw_writeb(16, DUART_START + 8);
__raw_writeb(0x93, DUART_START);
__raw_writeb(0x17, DUART_START);
__raw_writeb(0xbb, DUART_START + 4);
__raw_writeb(0x78, DUART_START + 16);
__raw_writeb(0xa0, DUART_START + 8);
__raw_writeb(5, DUART_START + 8);
}
/*
* Stroke the watchdog so we don't get reset during decompression.
*/
static inline void arch_decomp_wdog(void)
{
__raw_writel(INTCONT_WATCHDOG, INTCONT_START);
__raw_writel(INTCONT_WATCHDOG | 1, INTCONT_START);
}
/*
* linux/include/asm-arm/arch-nexuspci/vmalloc.h
*/
/*
* Just any arbitrary offset to the start of the vmalloc VM area: the
* current 8MB value just means that there will be a 8MB "hole" after the
* physical memory until the kernel virtual memory starts. That means that
* any out-of-bounds memory accesses will hopefully be caught.
* The vmalloc() routines leaves a hole of 4kB between each vmalloced
* area for the same reason. ;)
*/
#define VMALLOC_OFFSET (8*1024*1024)
#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
#define VMALLOC_END (PAGE_OFFSET + 0x20000000)
...@@ -57,12 +57,28 @@ ...@@ -57,12 +57,28 @@
/* /*
* OMAP-1510 bus address is translated into a Local Bus address if the * OMAP-1510 bus address is translated into a Local Bus address if the
* OMAP bus type is lbus. See dmadev_uses_omap_lbus(). * OMAP bus type is lbus. We do the address translation based on the
* device overriding the defaults used in the dma-mapping API.
*/ */
#ifdef CONFIG_ARCH_OMAP1510 #ifdef CONFIG_ARCH_OMAP1510
#define bus_to_lbus(x) ((x) + (OMAP1510_LB_OFFSET - PHYS_OFFSET))
#define lbus_to_bus(x) ((x) - (OMAP1510_LB_OFFSET - PHYS_OFFSET)) #define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
#endif #define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
#define is_lbus_device(dev) (cpu_is_omap1510() && dev->coherent_dma_mask == 0x0fffffff)
#define __arch_page_to_dma(dev, page) ({is_lbus_device(dev) ? \
(dma_addr_t)virt_to_lbus(page_address(page)) : \
(dma_addr_t)__virt_to_bus(page_address(page));})
#define __arch_dma_to_virt(dev, addr) ({is_lbus_device(dev) ? \
lbus_to_virt(addr) : \
__bus_to_virt(addr);})
#define __arch_virt_to_dma(dev, addr) ({is_lbus_device(dev) ? \
virt_to_lbus(addr) : \
__virt_to_bus(addr);})
#endif /* CONFIG_ARCH_OMAP1510 */
#define PHYS_TO_NID(addr) (0) #define PHYS_TO_NID(addr) (0)
#endif #endif
......
...@@ -82,6 +82,11 @@ typedef struct { volatile u32 offset[4096]; } __regbase; ...@@ -82,6 +82,11 @@ typedef struct { volatile u32 offset[4096]; } __regbase;
*/ */
extern void pxa_gpio_mode( int gpio_mode ); extern void pxa_gpio_mode( int gpio_mode );
/*
* Routine to enable or disable CKEN
*/
extern void pxa_set_cken(int clock, int enable);
/* /*
* return current memory and LCD clock frequency in units of 10kHz * return current memory and LCD clock frequency in units of 10kHz
*/ */
......
/*
* linux/include/asm-arm/arch-tbox/dma.h
*
* Architecture DMA routines. We have to contend with the bizarre DMA
* machine built into the Tbox hardware.
*
* Copyright (C) 1998 Philip Blundell
*/
/*
* 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.
*/
/*
* DMA channel definitions. Some of these are physically strange but
* we sort it out inside dma.c so the user never has to care. The
* exception is the double-buffering which we can't really abstract
* away sensibly.
*/
#define DMA_VIDEO 0
#define DMA_MPEG_B 1
#define DMA_AUDIO_B 2
#define DMA_ASHRX_B 3
#define DMA_ASHTX 4
#define DMA_MPEG 5
#define DMA_AUDIO 6
#define DMA_ASHRX 7
#define MAX_DMA_CHANNELS 0 /* XXX */
/*
* This is the maximum DMA address that can be DMAd to.
*/
#define MAX_DMA_ADDRESS 0xffffffff
/*
* linux/include/asm-arm/arch-tbox/hardware.h
*
* Copyright (C) 1998, 1999, 2000 Philip Blundell
* Copyright (C) 2000 FutureTV Labs Ltd
*
* This file contains the hardware definitions of the Tbox
*/
/*
* 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 __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
/* Logical Physical
* 0xfff00000 0x00100000 I/O
* 0xfff00000 0x00100000 Expansion CS0
* 0xfff10000 0x00110000 DMA
* 0xfff20000 0x00120000 C-Cube
* 0xfff30000 0x00130000 FPGA 1
* 0xfff40000 0x00140000 UART 2
* 0xfff50000 0x00150000 UART 1
* 0xfff60000 0x00160000 CS8900
* 0xfff70000 0x00170000 INTCONT
* 0xfff80000 0x00180000 RAMDAC
* 0xfff90000 0x00190000 Control 0
* 0xfffa0000 0x001a0000 Control 1
* 0xfffb0000 0x001b0000 Control 2
* 0xfffc0000 0x001c0000 FPGA 2
* 0xfffd0000 0x001d0000 INTRESET
* 0xfffe0000 0x001e0000 C-Cube DMA throttle
* 0xffff0000 0x001f0000 Expansion CS1
* 0xffe00000 0x82000000 cache flush
*/
/*
* Mapping areas
*/
#define IO_BASE 0xfff00000
#define IO_START 0x00100000
#define FLUSH_BASE 0xffe00000
#define INTCONT 0xfff70000
#define FPGA1CONT 0xffff3000
/*
* RAM definitions
*/
#define RAM_BASE 0x80000000
#define FLUSH_BASE_PHYS 0x82000000
#define UNCACHEABLE_ADDR INTCONT
#endif
/*
* linux/include/asm-arm/arch-tbox/io.h
*
* Copyright (C) 1996-1999 Russell King
* Copyright (C) 1998, 1999 Philip Blundell
*
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xffffffff
#define __io(_x) ((_x) << 2)
/*
* Generic virtual read/write
*/
static inline unsigned int __arch_getw(unsigned long a)
{
unsigned int value;
__asm__ __volatile__("ldr%?h %0, [%1, #0] @ getw"
: "=&r" (value)
: "r" (a));
return value;
}
static inline void __arch_putw(unsigned int value, unsigned long a)
{
__asm__ __volatile__("str%?h %0, [%1, #0] @ putw"
: : "r" (value), "r" (a));
}
/* Idem, for devices on the upper byte lanes */
#define inb_u(p) __arch_getb(__io_pc(p) + 2)
#define inw_u(p) __arch_getw(__io_pc(p) + 2)
#define outb_u(v,p) __arch_putb(v,__io_pc(p) + 2)
#define outw_u(v,p) __arch_putw(v,__io_pc(p) + 2)
#endif
/*
* linux/include/asm-arm/arch-tbox/irqs.h
*
* Copyright (C) 1998, 2000 Philip Blundell
*/
/*
* 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.
*/
#define IRQ_MPEGDMA 0
#define IRQ_ASHTX 1
#define IRQ_ASHRX 2
#define IRQ_VSYNC 3
#define IRQ_HSYNC 4
#define IRQ_MPEG 5
#define IRQ_UART2 6
#define IRQ_UART1 7
#define IRQ_ETHERNET 8
#define IRQ_TIMER 9
#define IRQ_AUDIODMA 10
/* bit 11 used for video field ident */
#define IRQ_EXPMODCS0 12
#define IRQ_EXPMODCS1 13
#define irq_canonicalize(i) (i)
/*
* linux/include/asm-arm/arch-tbox/memory.h
*
* Copyright (c) 1996-1999 Russell King.
* Copyright (c) 1998-1999 Phil Blundell
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PHYS_OFFSET (0x80000000UL)
/*
* Bus view is the same as physical view
*/
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt(x) __phys_to_virt(x)
#endif
/*
* linux/include/asm-arm/arch-tbox/param.h
*/
#define __KERNEL_HZ 1000
/*
* linux/include/asm-arm/arch-tbox/serial.h
*
* Copyright (c) 1996 Russell King.
* Copyright (c) 1998 Phil Blundell
*
* Changelog:
* 15-10-1996 RMK Created
* 09-06-1998 PJB tbox version
*/
#ifndef __ASM_ARCH_SERIAL_H
#define __ASM_ARCH_SERIAL_H
/*
* This assumes you have a 1.8432 MHz clock for your UART.
*
* It'd be nice if someone built a serial card with a 24.576 MHz
* clock, since the 16550A is capable of handling a top speed of 1.5
* megabits/second; but this requires the faster clock.
*/
#define BASE_BAUD (1843200 / 16)
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
/* UART CLK PORT IRQ FLAGS */
#define STD_SERIAL_PORT_DEFNS \
{ 0, BASE_BAUD, 0xffff4000 >> 2, 6, STD_COM_FLAGS }, /* ttyS0 */ \
{ 0, BASE_BAUD, 0xffff5000 >> 2, 7, STD_COM_FLAGS }, /* ttyS1 */
#define EXTRA_SERIAL_PORT_DEFNS
#endif
/*
* linux/include/asm-arm/arch-tbox/system.h
*
* Copyright (c) 1996-1999 Russell King.
*/
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
static inline void arch_idle(void)
{
cpu_do_idle();
}
#define arch_reset(mode) do { } while (0)
#endif
/*
* linux/include/asm-arm/arch-tbox/time.h
*
* Copyright (c) 1997, 1999 Phil Blundell.
* Copyright (c) 2000 FutureTV Labs Ltd
*
* Tbox has no real-time clock -- we get millisecond ticks to update
* our soft copy.
*/
/*
* 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 <asm/io.h>
#include <asm/hardware.h>
#define update_rtc()
static irqreturn_t
timer_interrupt (int irq, void *dev_id, struct pt_regs *regs)
{
/* Clear irq */
__raw_writel(1, FPGA1CONT + 0xc);
__raw_writel(0, FPGA1CONT + 0xc);
do_timer(regs);
return IRQ_HANDLED;
}
void __init time_init(void)
{
timer_irq.handler = timer_interrupt;
setup_irq(IRQ_TIMER, &timer_irq);
}
/*
* linux/include/asm-arm/arch-tbox/timex.h
*
* Tbox timex specifications
*
* Copyright (C) 1999 Philip Blundell
*/
/*
* linux/include/asm-arm/arch-nexuspci/uncompress.h
* from linux/include/asm-arm/arch-ebsa110/uncompress.h
*
* Copyright (C) 1996,1997,1998 Russell King
* Copyright (C) 1998, 1999 Phil Blundell
*/
#include <asm/io.h>
#define UARTBASE 0x00400000
/*
* This does not append a newline
*/
static void puts(const char *s)
{
while (*s)
{
char c = *(s++);
while (!(__raw_readb(UARTBASE + 0x14) & 0x20));
__raw_writeb(c, UARTBASE);
if (c == 10) {
while (!(__raw_readb(UARTBASE + 0x14) & 0x20));
__raw_writeb(13, UARTBASE);
}
}
}
/*
* nothing to do
*/
#define arch_decomp_setup()
/*
* Stroke the watchdog so we don't get reset during decompression.
*/
#define arch_decomp_wdog() \
do { \
__raw_writel(1, 0xa00000); \
__raw_writel(0, 0xa00000); \
} while (0)
/*
* linux/include/asm-arm/arch-tbox/vmalloc.h
*/
/*
* Just any arbitrary offset to the start of the vmalloc VM area: the
* current 8MB value just means that there will be a 8MB "hole" after the
* physical memory until the kernel virtual memory starts. That means that
* any out-of-bounds memory accesses will hopefully be caught.
* The vmalloc() routines leaves a hole of 4kB between each vmalloced
* area for the same reason. ;)
*/
#define VMALLOC_OFFSET (8*1024*1024)
#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
...@@ -124,7 +124,7 @@ dma_map_single(struct device *dev, void *cpu_addr, size_t size, ...@@ -124,7 +124,7 @@ dma_map_single(struct device *dev, void *cpu_addr, size_t size,
enum dma_data_direction dir) enum dma_data_direction dir)
{ {
consistent_sync(cpu_addr, size, dir); consistent_sync(cpu_addr, size, dir);
return __virt_to_bus((unsigned long)cpu_addr); return virt_to_dma(dev, (unsigned long)cpu_addr);
} }
#else #else
extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_direction); extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_direction);
...@@ -231,7 +231,7 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, ...@@ -231,7 +231,7 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
for (i = 0; i < nents; i++, sg++) { for (i = 0; i < nents; i++, sg++) {
char *virt; char *virt;
sg->dma_address = page_to_bus(sg->page) + sg->offset; sg->dma_address = page_to_dma(dev, sg->page) + sg->offset;
virt = page_address(sg->page) + sg->offset; virt = page_address(sg->page) + sg->offset;
consistent_sync(virt, sg->length, dir); consistent_sync(virt, sg->length, dir);
} }
...@@ -288,14 +288,14 @@ static inline void ...@@ -288,14 +288,14 @@ static inline void
dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
enum dma_data_direction dir) enum dma_data_direction dir)
{ {
consistent_sync((void *)__bus_to_virt(handle), size, dir); consistent_sync((void *)dma_to_virt(dev, handle), size, dir);
} }
static inline void static inline void
dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size, dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
enum dma_data_direction dir) enum dma_data_direction dir)
{ {
consistent_sync((void *)__bus_to_virt(handle), size, dir); consistent_sync((void *)dma_to_virt(dev, handle), size, dir);
} }
#else #else
extern void dma_sync_single_for_cpu(struct device*, dma_addr_t, size_t, enum dma_data_direction); extern void dma_sync_single_for_cpu(struct device*, dma_addr_t, size_t, enum dma_data_direction);
......
...@@ -159,9 +159,18 @@ static inline void *phys_to_virt(unsigned long x) ...@@ -159,9 +159,18 @@ static inline void *phys_to_virt(unsigned long x)
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
/* /*
* Optional device DMA address remapping. Do _not_ use directly!
* We should really eliminate virt_to_bus() here - it's deprecated. * We should really eliminate virt_to_bus() here - it's deprecated.
*/ */
#define page_to_bus(page) (virt_to_bus(page_address(page))) #ifndef __arch_page_to_dma
#define page_to_dma(dev, page) ((dma_addr_t)__virt_to_bus(page_address(page)))
#define dma_to_virt(dev, addr) (__bus_to_virt(addr))
#define virt_to_dma(dev, addr) (__virt_to_bus(addr))
#else
#define page_to_dma(dev, page) (__arch_page_to_dma(dev, page))
#define dma_to_virt(dev, addr) (__arch_dma_to_virt(dev, addr))
#define virt_to_dma(dev, addr) (__arch_virt_to_dma(dev, addr))
#endif
#endif #endif
......
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