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-rw-r--r--Documentation/arm/Samsung-S3C24XX/Overview.txt30
-rw-r--r--arch/arm/mach-iop13xx/io.c19
-rw-r--r--arch/arm/mach-pxa/generic.c4
-rw-r--r--arch/arm/mach-pxa/time.c8
-rw-r--r--arch/arm/mach-s3c2410/dma.c4
-rw-r--r--arch/arm/mm/copypage-v4mc.c6
-rw-r--r--arch/arm/mm/copypage-v6.c4
-rw-r--r--arch/arm/mm/copypage-xscale.c6
-rw-r--r--arch/arm/vfp/vfpmodule.c15
-rw-r--r--include/asm-arm/arch-ep93xx/irqs.h6
-rw-r--r--include/asm-arm/arch-iop13xx/io.h3
-rw-r--r--include/asm-arm/arch-pxa/pxa-regs.h3
-rw-r--r--include/asm-arm/arch-s3c2410/dma.h2
-rw-r--r--include/asm-arm/arch-s3c2410/entry-macro.S2
-rw-r--r--include/asm-arm/arch-s3c2410/hardware.h4
-rw-r--r--include/asm-arm/arch-s3c2410/irqs.h3
-rw-r--r--include/asm-arm/cacheflush.h2
-rw-r--r--include/asm-arm/flat.h4
-rw-r--r--include/asm-arm/irq.h5
19 files changed, 113 insertions, 17 deletions
diff --git a/Documentation/arm/Samsung-S3C24XX/Overview.txt b/Documentation/arm/Samsung-S3C24XX/Overview.txt
index dda7ecdde87..28d014714ab 100644
--- a/Documentation/arm/Samsung-S3C24XX/Overview.txt
+++ b/Documentation/arm/Samsung-S3C24XX/Overview.txt
@@ -76,6 +76,15 @@ Machines
A S3C2410 based PDA from Acer. There is a Wiki page at
http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
+ AML M5900
+
+ American Microsystems' M5900
+
+ Nex Vision Nexcoder
+ Nex Vision Otom
+
+ Two machines by Nex Vision
+
Adding New Machines
-------------------
@@ -115,6 +124,10 @@ RTC
Support for the onboard RTC unit, including alarm function.
+ This has recently been upgraded to use the new RTC core,
+ and the module has been renamed to rtc-s3c to fit in with
+ the new rtc naming scheme.
+
Watchdog
--------
@@ -128,7 +141,7 @@ NAND
The current kernels now have support for the s3c2410 NAND
controller. If there are any problems the latest linux-mtd
- CVS can be found from http://www.linux-mtd.infradead.org/
+ code can be found from http://www.linux-mtd.infradead.org/
Serial
@@ -168,6 +181,21 @@ Suspend to RAM
See Suspend.txt for more information.
+SPI
+---
+
+ SPI drivers are available for both the in-built hardware
+ (although there is no DMA support yet) and a generic
+ GPIO based solution.
+
+
+LEDs
+----
+
+ There is support for GPIO based LEDs via a platform driver
+ in the LED subsystem.
+
+
Platform Data
-------------
diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index fbf9f88e46e..e79a1b62600 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -21,6 +21,25 @@
#include <asm/hardware.h>
#include <asm/io.h>
+void * __iomem __iop13xx_io(unsigned long io_addr)
+{
+ void __iomem * io_virt;
+
+ switch (io_addr) {
+ case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
+ io_virt = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(io_addr);
+ break;
+ case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA:
+ io_virt = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(io_addr);
+ break;
+ default:
+ BUG();
+ }
+
+ return io_virt;
+}
+EXPORT_SYMBOL(__iop13xx_io);
+
void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
unsigned long flags)
{
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 6ae605857ca..9de1278d234 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -76,7 +76,9 @@ unsigned long long sched_clock(void)
/*
* 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
* any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
- * years range which is nice, but with higher computation cost.
+ * years range and truncation to unsigned long long limits it to
+ * sched_clock's max range of ~584 years. This is nice but with
+ * higher computation cost.
*/
{
union {
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 3775b8f3842..ee2beb40041 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -101,7 +101,7 @@ static struct irqaction pxa_timer_irq = {
.handler = pxa_timer_interrupt,
};
-cycle_t pxa_get_cycles(void)
+static cycle_t pxa_get_cycles(void)
{
return OSCR;
}
@@ -134,13 +134,13 @@ static void __init pxa_timer_init(void)
OSMR0 = OSCR + LATCH; /* set initial match */
local_irq_restore(flags);
- /* on PXA OSCR runs continiously and is not written to, so we can use it
- * as clock source directly.
+ /*
+ * OSCR runs continuously on PXA and is not written to,
+ * so we can use it as clock source directly.
*/
clocksource_pxa.mult =
clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift);
clocksource_register(&clocksource_pxa);
-
}
#ifdef CONFIG_NO_IDLE_HZ
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 717322a0916..fa860e716b4 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -1053,11 +1053,11 @@ int s3c2410_dma_config(dmach_t channel,
if (chan == NULL)
return -EINVAL;
- printk("Initial dcon is %08x\n", dcon);
+ pr_debug("%s: Initial dcon is %08x\n", __FUNCTION__, dcon);
dcon |= chan->dcon & dma_sel.dcon_mask;
- printk("New dcon is %08x\n", dcon);
+ pr_debug("%s: New dcon is %08x\n", __FUNCTION__, dcon);
switch (xferunit) {
case 1:
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index 408b05ae6b9..ded0e96d069 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -19,6 +19,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
#include "mm.h"
@@ -69,6 +70,11 @@ mc_copy_user_page(void *from, void *to)
void v4_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
{
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
+
spin_lock(&minicache_lock);
set_pte_ext(TOP_PTE(0xffff8000), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 865777dec16..3adb79257f4 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -53,6 +53,10 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo
{
unsigned int offset = CACHE_COLOUR(vaddr);
unsigned long from, to;
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
/*
* Discard data in the kernel mapping for the new page.
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index aea5da72359..2e455f82a4d 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -19,6 +19,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
#include "mm.h"
@@ -91,6 +92,11 @@ mc_copy_user_page(void *from, void *to)
void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
{
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
+
spin_lock(&minicache_lock);
set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index e26cc1f5994..490d9d18a7d 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -264,6 +264,18 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
vfp_raise_exceptions(exceptions, trigger, orig_fpscr, regs);
}
+static void vfp_enable(void *unused)
+{
+ u32 access = get_copro_access();
+
+ /*
+ * Enable full access to VFP (cp10 and cp11)
+ */
+ set_copro_access(access | CPACC_FULL(10) | CPACC_FULL(11));
+}
+
+#include <linux/smp.h>
+
/*
* VFP support code initialisation.
*/
@@ -288,6 +300,7 @@ static int __init vfp_init(void)
* we just need to read the VFPSID register.
*/
vfpsid = fmrx(FPSID);
+ barrier();
printk(KERN_INFO "VFP support v0.3: ");
if (VFP_arch) {
@@ -301,6 +314,8 @@ static int __init vfp_init(void)
} else if (vfpsid & FPSID_NODOUBLE) {
printk("no double precision support\n");
} else {
+ smp_call_function(vfp_enable, NULL, 1, 1);
+
VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT; /* Extract the architecture version */
printk("implementor %02x architecture %d part %02x variant %x rev %x\n",
(vfpsid & FPSID_IMPLEMENTER_MASK) >> FPSID_IMPLEMENTER_BIT,
diff --git a/include/asm-arm/arch-ep93xx/irqs.h b/include/asm-arm/arch-ep93xx/irqs.h
index 9a42f5de9e5..ae532e304bf 100644
--- a/include/asm-arm/arch-ep93xx/irqs.h
+++ b/include/asm-arm/arch-ep93xx/irqs.h
@@ -22,9 +22,9 @@
#define IRQ_EP93XX_DMAM2P9 16
#define IRQ_EP93XX_DMAM2M0 17
#define IRQ_EP93XX_DMAM2M1 18
-#define IRQ_EP93XX_GPIO0MUX 20
-#define IRQ_EP93XX_GPIO1MUX 21
-#define IRQ_EP93XX_GPIO2MUX 22
+#define IRQ_EP93XX_GPIO0MUX 19
+#define IRQ_EP93XX_GPIO1MUX 20
+#define IRQ_EP93XX_GPIO2MUX 21
#define IRQ_EP93XX_GPIO3MUX 22
#define IRQ_EP93XX_UART1RX 23
#define IRQ_EP93XX_UART1TX 24
diff --git a/include/asm-arm/arch-iop13xx/io.h b/include/asm-arm/arch-iop13xx/io.h
index db6de2480a2..5a7bdb52660 100644
--- a/include/asm-arm/arch-iop13xx/io.h
+++ b/include/asm-arm/arch-iop13xx/io.h
@@ -21,10 +21,11 @@
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) (a)
+#define __io(a) __iop13xx_io(a)
#define __mem_pci(a) (a)
#define __mem_isa(a) (a)
+extern void __iomem * __iop13xx_io(unsigned long io_addr);
extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
extern void __iomem *__iop13xx_ioremap(unsigned long cookie, size_t size,
unsigned long flags);
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index 083e03c5639..e24f6b6c79a 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1626,7 +1626,7 @@
#define SSCR0_RIM (1 << 22) /* Receive FIFO overrrun interrupt mask */
#define SSCR0_TUM (1 << 23) /* Transmit FIFO underrun interrupt mask */
#define SSCR0_FRDC (0x07000000) /* Frame rate divider control (mask) */
-#define SSCR0_SlotsPerFrm(x) ((x) - 1) /* Time slots per frame [1..8] */
+#define SSCR0_SlotsPerFrm(x) (((x) - 1) << 24) /* Time slots per frame [1..8] */
#define SSCR0_ADC (1 << 30) /* Audio clock select */
#define SSCR0_MOD (1 << 31) /* Mode (normal or network) */
#endif
@@ -1655,6 +1655,7 @@
#define SSCR0_EDSS (1 << 20) /* Extended Data Size Select */
/* extra bits in PXA255, PXA26x and PXA27x SSP ports */
+#define SSCR0_TISSP (1 << 4) /* TI Sync Serial Protocol */
#define SSCR0_PSP (3 << 4) /* PSP - Programmable Serial Protocol */
#define SSCR1_TTELP (1 << 31) /* TXD Tristate Enable Last Phase */
#define SSCR1_TTE (1 << 30) /* TXD Tristate Enable */
diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index 7ac22483697..58ffa7ba3c8 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -14,7 +14,7 @@
#define __ASM_ARCH_DMA_H __FILE__
#include <linux/sysdev.h>
-#include "hardware.h"
+#include <asm/hardware.h>
/*
* This is the maximum DMA address(physical address) that can be DMAd to.
diff --git a/include/asm-arm/arch-s3c2410/entry-macro.S b/include/asm-arm/arch-s3c2410/entry-macro.S
index e09a6b8ec15..1eb4e6b8d24 100644
--- a/include/asm-arm/arch-s3c2410/entry-macro.S
+++ b/include/asm-arm/arch-s3c2410/entry-macro.S
@@ -20,7 +20,7 @@
#define INTOFFSET (0x14)
#include <asm/hardware.h>
-#include <asm/arch/irqs.h>
+#include <asm/irq.h>
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
diff --git a/include/asm-arm/arch-s3c2410/hardware.h b/include/asm-arm/arch-s3c2410/hardware.h
index 729565e5cdf..6dadf58ff98 100644
--- a/include/asm-arm/arch-s3c2410/hardware.h
+++ b/include/asm-arm/arch-s3c2410/hardware.h
@@ -13,6 +13,10 @@
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
+#ifndef __ASM_HARDWARE_H
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
#ifndef __ASSEMBLY__
/* external functions for GPIO support
diff --git a/include/asm-arm/arch-s3c2410/irqs.h b/include/asm-arm/arch-s3c2410/irqs.h
index 39a69829d16..4b7cff456c4 100644
--- a/include/asm-arm/arch-s3c2410/irqs.h
+++ b/include/asm-arm/arch-s3c2410/irqs.h
@@ -12,6 +12,9 @@
#ifndef __ASM_ARCH_IRQS_H
#define __ASM_ARCH_IRQS_H __FILE__
+#ifndef __ASM_ARM_IRQ_H
+#error "Do not include this directly, instead #include <asm/irq.h>"
+#endif
/* we keep the first set of CPU IRQs out of the range of
* the ISA space, so that the PC104 has them to itself
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index 378a3a2ce8d..d51049522cd 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -355,6 +355,8 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
*/
extern void flush_dcache_page(struct page *);
+extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
+
#define flush_dcache_mmap_lock(mapping) \
write_lock_irq(&(mapping)->tree_lock)
#define flush_dcache_mmap_unlock(mapping) \
diff --git a/include/asm-arm/flat.h b/include/asm-arm/flat.h
index 96694647858..16f5375e57b 100644
--- a/include/asm-arm/flat.h
+++ b/include/asm-arm/flat.h
@@ -5,7 +5,9 @@
#ifndef __ARM_FLAT_H__
#define __ARM_FLAT_H__
-#define flat_stack_align(sp) /* nothing needed */
+/* An odd number of words will be pushed after this alignment, so
+ deliberately misalign the value. */
+#define flat_stack_align(sp) sp = (void *)(((unsigned long)(sp) - 4) | 4)
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
diff --git a/include/asm-arm/irq.h b/include/asm-arm/irq.h
index 283af50a16c..1b882a255e3 100644
--- a/include/asm-arm/irq.h
+++ b/include/asm-arm/irq.h
@@ -19,7 +19,6 @@
#define NO_IRQ ((unsigned int)(-1))
#endif
-struct irqaction;
/*
* Migration helpers
@@ -37,6 +36,10 @@ struct irqaction;
#define IRQT_HIGH (__IRQT_HIGHLVL)
#define IRQT_PROBE IRQ_TYPE_PROBE
+#ifndef __ASSEMBLY__
+struct irqaction;
extern void migrate_irqs(void);
#endif
+#endif
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 12:44:41 +0000