Commit 1443a2ec 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 7fd6ea2b fc7b6e9e
...@@ -2,7 +2,6 @@ ...@@ -2,7 +2,6 @@
# Makefile for the linux kernel. # Makefile for the linux kernel.
# #
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
......
#include <linux/ioport.h>
#include <linux/device.h>
#include <linux/init.h>
int __init platform_add_device(struct platform_device *dev)
{
int i;
for (i = 0; i < dev->num_resources; i++) {
struct resource *r = &dev->resource[i];
r->name = dev->dev.bus_id;
if (r->flags & IORESOURCE_MEM &&
request_resource(&iomem_resource, r)) {
printk(KERN_ERR
"%s%d: failed to claim resource %d\n",
dev->name, dev->id, i);
break;
}
}
if (i == dev->num_resources)
platform_device_register(dev);
return 0;
}
int __init platform_add_devices(struct platform_device **devs, int num)
{
int i;
for (i = 0; i < num; i++)
platform_add_device(devs[i]);
return 0;
}
...@@ -28,6 +28,7 @@ CONFIG_HOTPLUG=y ...@@ -28,6 +28,7 @@ CONFIG_HOTPLUG=y
# CONFIG_IKCONFIG is not set # CONFIG_IKCONFIG is not set
# CONFIG_EMBEDDED is not set # CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_FUTEX=y CONFIG_FUTEX=y
CONFIG_EPOLL=y CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_NOOP=y
...@@ -52,43 +53,22 @@ CONFIG_OBSOLETE_MODPARM=y ...@@ -52,43 +53,22 @@ CONFIG_OBSOLETE_MODPARM=y
# CONFIG_ARCH_CLPS7500 is not set # CONFIG_ARCH_CLPS7500 is not set
# CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CO285 is not set # CONFIG_ARCH_CO285 is not set
CONFIG_ARCH_PXA=y
# CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_CAMELOT is not set # CONFIG_ARCH_CAMELOT is not set
# CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_FOOTBRIDGE is not set
# CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_IOP3XX is not set # CONFIG_ARCH_IOP3XX is not set
# CONFIG_ARCH_IXP4XX is not set
# CONFIG_ARCH_L7200 is not set # CONFIG_ARCH_L7200 is not set
CONFIG_ARCH_PXA=y
# CONFIG_ARCH_RPC is not set # CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_OMAP is not set # CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_ARCH_VERSATILE_PB is not set # CONFIG_ARCH_VERSATILE_PB is not set
#
# CLPS711X/EP721X Implementations
#
#
# Epxa10db
#
#
# Footbridge Implementations
#
#
# IOP3xx Implementation Options
#
# CONFIG_ARCH_IOP310 is not set
# CONFIG_ARCH_IOP321 is not set
#
# IOP3xx Chipset Features
#
# #
# Intel PXA2xx Implementations # Intel PXA2xx Implementations
# #
...@@ -98,34 +78,6 @@ CONFIG_MACH_MAINSTONE=y ...@@ -98,34 +78,6 @@ CONFIG_MACH_MAINSTONE=y
CONFIG_PXA27x=y CONFIG_PXA27x=y
CONFIG_IWMMXT=y CONFIG_IWMMXT=y
#
# SA11x0 Implementations
#
#
# TI OMAP Implementations
#
#
# OMAP Core Type
#
#
# OMAP Board Type
#
#
# OMAP Feature Selections
#
#
# S3C2410 Implementations
#
#
# LH7A40X Implementations
#
# #
# Processor Type # Processor Type
# #
...@@ -163,6 +115,7 @@ CONFIG_PCMCIA_PXA2XX=y ...@@ -163,6 +115,7 @@ CONFIG_PCMCIA_PXA2XX=y
CONFIG_FPE_NWFPE=y CONFIG_FPE_NWFPE=y
# CONFIG_FPE_NWFPE_XP is not set # CONFIG_FPE_NWFPE_XP is not set
# CONFIG_FPE_FASTFPE is not set # CONFIG_FPE_FASTFPE is not set
# CONFIG_VFP is not set
CONFIG_BINFMT_ELF=y CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_AOUT is not set
# CONFIG_BINFMT_MISC is not set # CONFIG_BINFMT_MISC is not set
...@@ -170,6 +123,7 @@ CONFIG_BINFMT_ELF=y ...@@ -170,6 +123,7 @@ CONFIG_BINFMT_ELF=y
# #
# Generic Driver Options # Generic Driver Options
# #
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_FW_LOADER is not set # CONFIG_FW_LOADER is not set
# CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DRIVER is not set
# CONFIG_PM is not set # CONFIG_PM is not set
...@@ -394,7 +348,6 @@ CONFIG_BLK_DEV_IDE=y ...@@ -394,7 +348,6 @@ CONFIG_BLK_DEV_IDE=y
# #
CONFIG_BLK_DEV_IDEDISK=y CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set # CONFIG_IDEDISK_MULTI_MODE is not set
# CONFIG_IDEDISK_STROKE is not set
CONFIG_BLK_DEV_IDECS=y CONFIG_BLK_DEV_IDECS=y
# CONFIG_BLK_DEV_IDECD is not set # CONFIG_BLK_DEV_IDECD is not set
# CONFIG_BLK_DEV_IDETAPE is not set # CONFIG_BLK_DEV_IDETAPE is not set
...@@ -406,6 +359,7 @@ CONFIG_BLK_DEV_IDECS=y ...@@ -406,6 +359,7 @@ CONFIG_BLK_DEV_IDECS=y
# IDE chipset support/bugfixes # IDE chipset support/bugfixes
# #
# CONFIG_IDE_GENERIC is not set # CONFIG_IDE_GENERIC is not set
# CONFIG_IDE_ARM is not set
# CONFIG_BLK_DEV_IDEDMA is not set # CONFIG_BLK_DEV_IDEDMA is not set
# CONFIG_IDEDMA_AUTO is not set # CONFIG_IDEDMA_AUTO is not set
# CONFIG_BLK_DEV_HD is not set # CONFIG_BLK_DEV_HD is not set
...@@ -571,6 +525,7 @@ CONFIG_EXT2_FS=y ...@@ -571,6 +525,7 @@ CONFIG_EXT2_FS=y
CONFIG_FAT_FS=y CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y CONFIG_MSDOS_FS=y
# CONFIG_VFAT_FS is not set # CONFIG_VFAT_FS is not set
CONFIG_FAT_DEFAULT_CODEPAGE=437
# CONFIG_NTFS_FS is not set # CONFIG_NTFS_FS is not set
# #
...@@ -622,7 +577,6 @@ CONFIG_SUNRPC=y ...@@ -622,7 +577,6 @@ CONFIG_SUNRPC=y
# CONFIG_CIFS is not set # CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set # CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set # CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
# CONFIG_AFS_FS is not set # CONFIG_AFS_FS is not set
# #
...@@ -658,6 +612,7 @@ CONFIG_NLS_DEFAULT="iso8859-1" ...@@ -658,6 +612,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
# CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set # CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
CONFIG_NLS_ISO8859_1=y CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_3 is not set
...@@ -681,7 +636,10 @@ CONFIG_NLS_ISO8859_1=y ...@@ -681,7 +636,10 @@ CONFIG_NLS_ISO8859_1=y
# #
# Graphics support # Graphics support
# #
# CONFIG_FB is not set CONFIG_FB=y
CONFIG_FB_PXA=y
# CONFIG_FB_PXA_PARAMETERS is not set
# CONFIG_FB_VIRTUAL is not set
# #
# Console display driver support # Console display driver support
...@@ -689,6 +647,19 @@ CONFIG_NLS_ISO8859_1=y ...@@ -689,6 +647,19 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_VGA_CONSOLE is not set # CONFIG_VGA_CONSOLE is not set
# CONFIG_MDA_CONSOLE is not set # CONFIG_MDA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_PCI_CONSOLE=y
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
#
# Logo configuration
#
CONFIG_LOGO=y
CONFIG_LOGO_LINUX_MONO=y
CONFIG_LOGO_LINUX_VGA16=y
CONFIG_LOGO_LINUX_CLUT224=y
# #
# Sound # Sound
......
...@@ -11,6 +11,7 @@ ...@@ -11,6 +11,7 @@
*/ */
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/init.h> #include <linux/init.h>
#include <asm/hardware.h> #include <asm/hardware.h>
...@@ -174,7 +175,7 @@ static struct irqaction ebsa110_timer_irq = { ...@@ -174,7 +175,7 @@ static struct irqaction ebsa110_timer_irq = {
/* /*
* Set up timer interrupt. * Set up timer interrupt.
*/ */
void __init ebsa110_time_init(void) static void __init ebsa110_init_time(void)
{ {
/* /*
* Timer 1, mode 2, LSB/MSB * Timer 1, mode 2, LSB/MSB
......
/*
* linux/include/asm-arm/arch-ebsa110/time.h
*
* Copyright (C) 1996,1997,1998 Russell King.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* No real time clock on the evalulation board!
*
* Changelog:
* 10-Oct-1996 RMK Created
* 04-Dec-1997 RMK Updated for new arch/arm/kernel/time.c
* 07-Aug-1998 RMK Updated for arch/arm/kernel/leds.c
* 28-Dec-1998 APH Made leds code optional
*/
#include <asm/leds.h>
#include <asm/io.h>
extern unsigned long (*gettimeoffset)(void);
#define PIT_CTRL (PIT_BASE + 0x0d)
#define PIT_T2 (PIT_BASE + 0x09)
#define PIT_T1 (PIT_BASE + 0x05)
#define PIT_T0 (PIT_BASE + 0x01)
/*
* This is the rate at which your MCLK signal toggles (in Hz)
* This was measured on a 10 digit frequency counter sampling
* over 1 second.
*/
#define MCLK 47894000
/*
* This is the rate at which the PIT timers get clocked
*/
#define CLKBY7 (MCLK / 7)
/*
* This is the counter value. We tick at 200Hz on this platform.
*/
#define COUNT ((CLKBY7 + (HZ / 2)) / HZ)
/*
* Get the time offset from the system PIT. Note that if we have missed an
* interrupt, then the PIT counter will roll over (ie, be negative).
* This actually works out to be convenient.
*/
static unsigned long ebsa110_gettimeoffset(void)
{
unsigned long offset, count;
__raw_writeb(0x40, PIT_CTRL);
count = __raw_readb(PIT_T1);
count |= __raw_readb(PIT_T1) << 8;
/*
* If count > COUNT, make the number negative.
*/
if (count > COUNT)
count |= 0xffff0000;
offset = COUNT;
offset -= count;
/*
* `offset' is in units of timer counts. Convert
* offset to units of microseconds.
*/
offset = offset * (1000000 / HZ) / COUNT;
return offset;
}
static irqreturn_t
timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
u32 count;
/* latch and read timer 1 */
__raw_writeb(0x40, PIT_CTRL);
count = __raw_readb(PIT_T1);
count |= __raw_readb(PIT_T1) << 8;
count += COUNT;
__raw_writeb(count & 0xff, PIT_T1);
__raw_writeb(count >> 8, PIT_T1);
do_leds();
do_timer(regs);
do_profile(regs);
return IRQ_HANDLED;
}
/*
* Set up timer interrupt.
*/
void __init time_init(void)
{
/*
* Timer 1, mode 2, LSB/MSB
*/
__raw_writeb(0x70, PIT_CTRL);
__raw_writeb(COUNT & 0xff, PIT_T1);
__raw_writeb(COUNT >> 8, PIT_T1);
gettimeoffset = ebsa110_gettimeoffset;
timer_irq.handler = timer_interrupt;
setup_irq(IRQ_EBSA110_TIMER0, &timer_irq);
}
...@@ -275,7 +275,7 @@ void __init footbridge_init_time(void) ...@@ -275,7 +275,7 @@ void __init footbridge_init_time(void)
*CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD | TIMER_CNTL_DIV16; *CSR_TIMER1_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD | TIMER_CNTL_DIV16;
footbridge_timer_irq.name = "Timer1 Timer Tick"; footbridge_timer_irq.name = "Timer1 Timer Tick";
footbrdige_timer_irq.handler = timer1_interrupt; footbridge_timer_irq.handler = timer1_interrupt;
setup_irq(IRQ_TIMER1, &footbridge_timer_irq); setup_irq(IRQ_TIMER1, &footbridge_timer_irq);
...@@ -289,8 +289,8 @@ void __init footbridge_init_time(void) ...@@ -289,8 +289,8 @@ void __init footbridge_init_time(void)
gettimeoffset = isa_gettimeoffset; gettimeoffset = isa_gettimeoffset;
footbridge_timer_irq.name = "ISA Timer Tick"; footbridge_timer_irq.name = "ISA Timer Tick";
footbrdige_timer_irq.handler = isa_timer_interrupt; footbridge_timer_irq.handler = isa_timer_interrupt;
setup_irq(IRQ_ISA, &footbridge_timer_irq); setup_irq(IRQ_ISA_TIMER, &footbridge_timer_irq);
} }
} }
...@@ -12,12 +12,17 @@ ...@@ -12,12 +12,17 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/device.h> #include <linux/device.h>
#include <linux/spinlock.h> #include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <asm/hardware.h> #include <asm/hardware.h>
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/hardware/amba.h> #include <asm/hardware/amba.h>
#include <asm/arch/cm.h> #include <asm/arch/cm.h>
#include <asm/system.h>
#include <asm/leds.h>
#include <asm/mach/time.h>
static struct amba_device rtc_device = { static struct amba_device rtc_device = {
.dev = { .dev = {
...@@ -127,3 +132,137 @@ void cm_control(u32 mask, u32 set) ...@@ -127,3 +132,137 @@ void cm_control(u32 mask, u32 set)
} }
EXPORT_SYMBOL(cm_control); EXPORT_SYMBOL(cm_control);
/*
* Where is the timer (VA)?
*/
#define TIMER0_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000000)
#define TIMER1_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000100)
#define TIMER2_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000200)
#define VA_IC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
/*
* How long is the timer interval?
*/
#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10)
#if TIMER_INTERVAL >= 0x100000
#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC)
#elif TIMER_INTERVAL >= 0x10000
#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC)
#else
#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC)
#endif
/*
* What does it look like?
*/
typedef struct TimerStruct {
unsigned long TimerLoad;
unsigned long TimerValue;
unsigned long TimerControl;
unsigned long TimerClear;
} TimerStruct_t;
extern unsigned long (*gettimeoffset)(void);
static unsigned long timer_reload;
/*
* Returns number of ms since last clock interrupt. Note that interrupts
* will have been disabled by do_gettimeoffset()
*/
static unsigned long integrator_gettimeoffset(void)
{
volatile TimerStruct_t *timer1 = (TimerStruct_t *)TIMER1_VA_BASE;
unsigned long ticks1, ticks2, status;
/*
* Get the current number of ticks. Note that there is a race
* condition between us reading the timer and checking for
* an interrupt. We get around this by ensuring that the
* counter has not reloaded between our two reads.
*/
ticks2 = timer1->TimerValue & 0xffff;
do {
ticks1 = ticks2;
status = __raw_readl(VA_IC_BASE + IRQ_RAW_STATUS);
ticks2 = timer1->TimerValue & 0xffff;
} while (ticks2 > ticks1);
/*
* Number of ticks since last interrupt.
*/
ticks1 = timer_reload - ticks2;
/*
* Interrupt pending? If so, we've reloaded once already.
*/
if (status & (1 << IRQ_TIMERINT1))
ticks1 += timer_reload;
/*
* Convert the ticks to usecs
*/
return TICKS2USECS(ticks1);
}
/*
* IRQ handler for the timer
*/
static irqreturn_t
integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
volatile TimerStruct_t *timer1 = (volatile TimerStruct_t *)TIMER1_VA_BASE;
// ...clear the interrupt
timer1->TimerClear = 1;
timer_tick(regs);
return IRQ_HANDLED;
}
static struct irqaction integrator_timer_irq = {
.name = "Integrator Timer Tick",
.flags = SA_INTERRUPT,
.handler = integrator_timer_interrupt
};
/*
* Set up timer interrupt, and return the current time in seconds.
*/
void __init integrator_time_init(unsigned long reload, unsigned int ctrl)
{
volatile TimerStruct_t *timer0 = (volatile TimerStruct_t *)TIMER0_VA_BASE;
volatile TimerStruct_t *timer1 = (volatile TimerStruct_t *)TIMER1_VA_BASE;
volatile TimerStruct_t *timer2 = (volatile TimerStruct_t *)TIMER2_VA_BASE;
unsigned int timer_ctrl = 0x80 | 0x40; /* periodic */
timer_reload = reload;
timer_ctrl |= ctrl;
if (timer_reload > 0x100000) {
timer_reload >>= 8;
timer_ctrl |= 0x08; /* /256 */
} else if (timer_reload > 0x010000) {
timer_reload >>= 4;
timer_ctrl |= 0x04; /* /16 */
}
/*
* Initialise to a known state (all timers off)
*/
timer0->TimerControl = 0;
timer1->TimerControl = 0;
timer2->TimerControl = 0;
timer1->TimerLoad = timer_reload;
timer1->TimerValue = timer_reload;
timer1->TimerControl = timer_ctrl;
/*
* Make irqs happen for the system timer
*/
setup_irq(IRQ_TIMERINT1, &integrator_timer_irq);
gettimeoffset = integrator_gettimeoffset;
}
...@@ -256,7 +256,7 @@ static void __init ap_init(void) ...@@ -256,7 +256,7 @@ static void __init ap_init(void)
unsigned long sc_dec; unsigned long sc_dec;
int i; int i;
platform_add_device(&cfi_flash_device); platform_device_register(&cfi_flash_device);
sc_dec = readl(VA_SC_BASE + INTEGRATOR_SC_DEC_OFFSET); sc_dec = readl(VA_SC_BASE + INTEGRATOR_SC_DEC_OFFSET);
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
......
...@@ -419,6 +419,8 @@ static void __init intcp_init(void) ...@@ -419,6 +419,8 @@ static void __init intcp_init(void)
} }
} }
#define TIMER_CTRL_IE (1 << 5) /* Interrupt Enable */
static void __init intcp_init_time(void) static void __init intcp_init_time(void)
{ {
integrator_time_init(1000000 / HZ, TIMER_CTRL_IE); integrator_time_init(1000000 / HZ, TIMER_CTRL_IE);
......
...@@ -10,16 +10,9 @@ ...@@ -10,16 +10,9 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/time.h> #include <linux/time.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <asm/hardware.h> #include <asm/hardware.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/system.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/time.h>
#define RTC_DR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 0) #define RTC_DR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 0)
#define RTC_MR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 4) #define RTC_MR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 4)
...@@ -51,140 +44,3 @@ static int integrator_rtc_init(void) ...@@ -51,140 +44,3 @@ static int integrator_rtc_init(void)
} }
__initcall(integrator_rtc_init); __initcall(integrator_rtc_init);
/*
* Where is the timer (VA)?
*/
#define TIMER0_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000000)
#define TIMER1_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000100)
#define TIMER2_VA_BASE (IO_ADDRESS(INTEGRATOR_CT_BASE)+0x00000200)
#define VA_IC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE)
/*
* How long is the timer interval?
*/
#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10)
#if TIMER_INTERVAL >= 0x100000
#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC)
#elif TIMER_INTERVAL >= 0x10000
#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC)
#else
#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC)
#endif
#define TIMER_CTRL_IE (1 << 5) /* Interrupt Enable */
/*
* What does it look like?
*/
typedef struct TimerStruct {
unsigned long TimerLoad;
unsigned long TimerValue;
unsigned long TimerControl;
unsigned long TimerClear;
} TimerStruct_t;
extern unsigned long (*gettimeoffset)(void);
static unsigned long timer_reload;
/*
* Returns number of ms since last clock interrupt. Note that interrupts
* will have been disabled by do_gettimeoffset()
*/
static unsigned long integrator_gettimeoffset(void)
{
volatile TimerStruct_t *timer1 = (TimerStruct_t *)TIMER1_VA_BASE;
unsigned long ticks1, ticks2, status;
/*
* Get the current number of ticks. Note that there is a race
* condition between us reading the timer and checking for
* an interrupt. We get around this by ensuring that the
* counter has not reloaded between our two reads.
*/
ticks2 = timer1->TimerValue & 0xffff;
do {
ticks1 = ticks2;
status = __raw_readl(VA_IC_BASE + IRQ_RAW_STATUS);
ticks2 = timer1->TimerValue & 0xffff;
} while (ticks2 > ticks1);
/*
* Number of ticks since last interrupt.
*/
ticks1 = timer_reload - ticks2;
/*
* Interrupt pending? If so, we've reloaded once already.
*/
if (status & (1 << IRQ_TIMERINT1))
ticks1 += timer_reload;
/*
* Convert the ticks to usecs
*/
return TICKS2USECS(ticks1);
}
/*
* IRQ handler for the timer
*/
static irqreturn_t
integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
volatile TimerStruct_t *timer1 = (volatile TimerStruct_t *)TIMER1_VA_BASE;
// ...clear the interrupt
timer1->TimerClear = 1;
timer_tick(regs);
return IRQ_HANDLED;
}
static struct irqaction integrator_timer_irq = {
.name = "Integrator Timer Tick",
.flags = SA_INTERRUPT,
.handler = integrator_timer_interrupt
};
/*
* Set up timer interrupt, and return the current time in seconds.
*/
void __init integrator_time_init(unsigned long reload, unsigned int ctrl)
{
volatile TimerStruct_t *timer0 = (volatile TimerStruct_t *)TIMER0_VA_BASE;
volatile TimerStruct_t *timer1 = (volatile TimerStruct_t *)TIMER1_VA_BASE;
volatile TimerStruct_t *timer2 = (volatile TimerStruct_t *)TIMER2_VA_BASE;
unsigned int timer_ctrl = 0x80 | 0x40; /* periodic */
timer_reload = reload;
timer_ctrl |= ctrl;
if (timer_reload > 0x100000) {
timer_reload >>= 8;
timer_ctrl |= 0x08; /* /256 */
} else if (timer_reload > 0x010000) {
timer_reload >>= 4;
timer_ctrl |= 0x04; /* /16 */
}
/*
* Initialise to a known state (all timers off)
*/
timer0->TimerControl = 0;
timer1->TimerControl = 0;
timer2->TimerControl = 0;
timer1->TimerLoad = timer_reload;
timer1->TimerValue = timer_reload;
timer1->TimerControl = timer_ctrl;
/*
* Make irqs happen for the system timer
*/
setup_irq(IRQ_TIMERINT1, &integrator_timer_irq);
gettimeoffset = integrator_gettimeoffset;
}
...@@ -81,40 +81,6 @@ static struct bus_type omap_bus_types[OMAP_NR_BUSES] = { ...@@ -81,40 +81,6 @@ static struct bus_type omap_bus_types[OMAP_NR_BUSES] = {
}, },
}; };
#ifdef CONFIG_ARCH_OMAP1510
/*
* NOTE: This code _should_ go somewhere else. But let's wait for the
* dma-mapping code to settle down first.
*/
/*
* Test for Local Bus device in order to do address translation between
* dma_handle and Local Bus address.
*/
inline int dmadev_uses_omap_lbus(struct device * dev)
{
if (dev == NULL || !cpu_is_omap1510())
return 0;
return dev->bus == &omap_bus_types[OMAP_BUS_LBUS] ? 1 : 0;
}
/*
* Translate bus address to Local Bus address for dma-mapping
*/
inline int dmadev_to_lbus(dma_addr_t addr)
{
return bus_to_lbus(addr);
}
/*
* Translate Local Bus address to bus address for dma-mapping
*/
inline int lbus_to_dmadev(dma_addr_t addr)
{
return lbus_to_bus(addr);
}
#endif
static int omap_bus_match(struct device *dev, struct device_driver *drv) static int omap_bus_match(struct device *dev, struct device_driver *drv)
{ {
struct omap_dev *omapdev = OMAP_DEV(dev); struct omap_dev *omapdev = OMAP_DEV(dev);
...@@ -278,8 +244,3 @@ EXPORT_SYMBOL(omap_driver_unregister); ...@@ -278,8 +244,3 @@ EXPORT_SYMBOL(omap_driver_unregister);
EXPORT_SYMBOL(omap_device_register); EXPORT_SYMBOL(omap_device_register);
EXPORT_SYMBOL(omap_device_unregister); EXPORT_SYMBOL(omap_device_unregister);
#ifdef CONFIG_ARCH_OMAP1510
EXPORT_SYMBOL(dmadev_uses_omap_lbus);
EXPORT_SYMBOL(dmadev_to_lbus);
EXPORT_SYMBOL(lbus_to_dmadev);
#endif
...@@ -28,7 +28,12 @@ ...@@ -28,7 +28,12 @@
*/ */
#include <linux/config.h> #include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <asm/system.h> #include <asm/system.h>
#include <asm/hardware.h> #include <asm/hardware.h>
#include <asm/io.h> #include <asm/io.h>
......
...@@ -18,6 +18,7 @@ ...@@ -18,6 +18,7 @@
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/fb.h>
#include <asm/types.h> #include <asm/types.h>
#include <asm/setup.h> #include <asm/setup.h>
...@@ -31,6 +32,7 @@ ...@@ -31,6 +32,7 @@
#include <asm/mach/irq.h> #include <asm/mach/irq.h>
#include <asm/arch/mainstone.h> #include <asm/arch/mainstone.h>
#include <asm/arch/pxafb.h>
#include "generic.h" #include "generic.h"
...@@ -116,9 +118,66 @@ static struct platform_device smc91x_device = { ...@@ -116,9 +118,66 @@ static struct platform_device smc91x_device = {
.resource = smc91x_resources, .resource = smc91x_resources,
}; };
static void mainstone_backlight_power(int on)
{
if (on) {
pxa_gpio_mode(GPIO16_PWM0_MD);
pxa_set_cken(CKEN0_PWM0, 1);
PWM_CTRL0 = 0;
PWM_PWDUTY0 = 0x3ff;
PWM_PERVAL0 = 0x3ff;
} else {
PWM_CTRL0 = 0;
PWM_PWDUTY0 = 0x0;
PWM_PERVAL0 = 0x3FF;
pxa_set_cken(CKEN0_PWM0, 0);
}
}
static struct pxafb_mach_info toshiba_ltm04c380k __initdata = {
.pixclock = 50000,
.xres = 640,
.yres = 480,
.bpp = 16,
.hsync_len = 1,
.left_margin = 0x9f,
.right_margin = 1,
.vsync_len = 44,
.upper_margin = 0,
.lower_margin = 0,
.sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
.lccr0 = LCCR0_Act,
.lccr3 = LCCR3_PCP,
.pxafb_backlight_power = mainstone_backlight_power,
};
static struct pxafb_mach_info toshiba_ltm035a776c __initdata = {
.pixclock = 110000,
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 4,
.left_margin = 8,
.right_margin = 20,
.vsync_len = 3,
.upper_margin = 1,
.lower_margin = 10,
.sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
.lccr0 = LCCR0_Act,
.lccr3 = LCCR3_PCP,
.pxafb_backlight_power = mainstone_backlight_power,
};
static void __init mainstone_init(void) static void __init mainstone_init(void)
{ {
platform_add_device(&smc91x_device); platform_add_device(&smc91x_device);
/* reading the BSR might be handy to select LCD type here */
if (0)
set_pxa_fb_info(&toshiba_ltm04c380k);
else
set_pxa_fb_info(&toshiba_ltm035a776c);
} }
......
...@@ -503,8 +503,8 @@ static void __init versatile_init(void) ...@@ -503,8 +503,8 @@ static void __init versatile_init(void)
{ {
int i; int i;
platform_add_device(&versatile_flash_device); platform_device_register(&versatile_flash_device);
platform_add_device(&smc91x_device); platform_device_register(&smc91x_device);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i]; struct amba_device *d = amba_devs[i];
......
...@@ -1246,6 +1246,8 @@ acornfb_detect_monitortype(void) ...@@ -1246,6 +1246,8 @@ acornfb_detect_monitortype(void)
/* /*
* This enables the unused memory to be freed on older Acorn machines. * This enables the unused memory to be freed on older Acorn machines.
* We are freeing memory on behalf of the architecture initialisation
* code here.
*/ */
static inline void static inline void
free_unused_pages(unsigned int virtual_start, unsigned int virtual_end) free_unused_pages(unsigned int virtual_start, unsigned int virtual_end)
...@@ -1268,7 +1270,7 @@ free_unused_pages(unsigned int virtual_start, unsigned int virtual_end) ...@@ -1268,7 +1270,7 @@ free_unused_pages(unsigned int virtual_start, unsigned int virtual_end)
*/ */
page = virt_to_page(virtual_start); page = virt_to_page(virtual_start);
ClearPageReserved(page); ClearPageReserved(page);
atomic_set(&page->count, 1); set_page_count(page, 1);
free_page(virtual_start); free_page(virtual_start);
virtual_start += PAGE_SIZE; virtual_start += PAGE_SIZE;
......
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