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-rw-r--r--arch/arm/mach-s3c2410/Makefile37
-rw-r--r--arch/arm/mach-s3c2410/cpu.h10
-rw-r--r--arch/arm/mach-s3c2410/devs.c12
-rw-r--r--arch/arm/mach-s3c2410/dma.c243
-rw-r--r--arch/arm/mach-s3c2410/irq.c4
-rw-r--r--arch/arm/mach-s3c2410/irq.h5
-rw-r--r--arch/arm/mach-s3c2410/mach-anubis.c49
-rw-r--r--arch/arm/mach-s3c2410/mach-bast.c25
-rw-r--r--arch/arm/mach-s3c2410/mach-h1940.c17
-rw-r--r--arch/arm/mach-s3c2410/mach-osiris.c20
-rw-r--r--arch/arm/mach-s3c2410/mach-rx3715.c9
-rw-r--r--arch/arm/mach-s3c2410/mach-smdk2410.c4
-rw-r--r--arch/arm/mach-s3c2410/mach-smdk2413.c15
-rw-r--r--arch/arm/mach-s3c2410/mach-vr1000.c19
-rw-r--r--arch/arm/mach-s3c2410/s3c2400-gpio.c5
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.h8
-rw-r--r--arch/arm/mach-s3c2410/s3c2412-irq.c130
-rw-r--r--arch/arm/mach-s3c2410/s3c2440-irq.c3
-rw-r--r--arch/arm/mach-s3c2410/s3c244x-irq.c12
19 files changed, 387 insertions, 240 deletions
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 0c7938645df..0eadec91621 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -10,45 +10,48 @@ obj-m :=
obj-n :=
obj- :=
+# DMA
+obj-$(CONFIG_S3C2410_DMA) += dma.o
+
# S3C2400 support files
-obj-$(CONFIG_CPU_S3C2400) += s3c2400-gpio.o
+obj-$(CONFIG_CPU_S3C2400) += s3c2400-gpio.o
# S3C2410 support files
-obj-$(CONFIG_CPU_S3C2410) += s3c2410.o
-obj-$(CONFIG_CPU_S3C2410) += s3c2410-gpio.o
-obj-$(CONFIG_S3C2410_DMA) += dma.o
+obj-$(CONFIG_CPU_S3C2410) += s3c2410.o
+obj-$(CONFIG_CPU_S3C2410) += s3c2410-gpio.o
# Power Management support
-obj-$(CONFIG_PM) += pm.o sleep.o
-obj-$(CONFIG_PM_SIMTEC) += pm-simtec.o
+obj-$(CONFIG_PM) += pm.o sleep.o
+obj-$(CONFIG_PM_SIMTEC) += pm-simtec.o
# S3C2412 support
-obj-$(CONFIG_CPU_S3C2412) += s3c2412.o
-obj-$(CONFIG_CPU_S3C2412) += s3c2412-clock.o
+obj-$(CONFIG_CPU_S3C2412) += s3c2412.o
+obj-$(CONFIG_CPU_S3C2412) += s3c2412-irq.o
+obj-$(CONFIG_CPU_S3C2412) += s3c2412-clock.o
#
# S3C244X support
-obj-$(CONFIG_CPU_S3C244X) += s3c244x.o
-obj-$(CONFIG_CPU_S3C244X) += s3c244x-irq.o
+obj-$(CONFIG_CPU_S3C244X) += s3c244x.o
+obj-$(CONFIG_CPU_S3C244X) += s3c244x-irq.o
# Clock control
-obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o
+obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o
# S3C2440 support
-obj-$(CONFIG_CPU_S3C2440) += s3c2440.o s3c2440-dsc.o
-obj-$(CONFIG_CPU_S3C2440) += s3c2440-irq.o
-obj-$(CONFIG_CPU_S3C2440) += s3c2440-clock.o
-obj-$(CONFIG_CPU_S3C2440) += s3c2410-gpio.o
+obj-$(CONFIG_CPU_S3C2440) += s3c2440.o s3c2440-dsc.o
+obj-$(CONFIG_CPU_S3C2440) += s3c2440-irq.o
+obj-$(CONFIG_CPU_S3C2440) += s3c2440-clock.o
+obj-$(CONFIG_CPU_S3C2440) += s3c2410-gpio.o
# S3C2442 support
-obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
-obj-$(CONFIG_CPU_S3C2442) += s3c2442-clock.o
+obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
+obj-$(CONFIG_CPU_S3C2442) += s3c2442-clock.o
# bast extras
diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h
index b0ed9d2d141..be42e4032a6 100644
--- a/arch/arm/mach-s3c2410/cpu.h
+++ b/arch/arm/mach-s3c2410/cpu.h
@@ -8,16 +8,6 @@
* 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.
- *
- * Modifications:
- * 24-Aug-2004 BJD Start of generic S3C24XX support
- * 18-Oct-2004 BJD Moved board struct into this file
- * 04-Jan-2005 BJD New uart initialisation
- * 10-Jan-2005 BJD Moved generic init here, specific to cpu headers
- * 14-Jan-2005 BJD Added s3c24xx_init_clocks() call
- * 10-Mar-2005 LCVR Changed S3C2410_{VA,SZ} to S3C24XX_{VA,SZ} & IODESC_ENT
- * 14-Mar-2005 BJD Updated for __iomem
- * 15-Jan-2006 LCVR Updated S3C2410_PA_##x to new S3C24XX_PA_##x macro
*/
/* todo - fix when rmk changes iodescs to use `void __iomem *` */
diff --git a/arch/arm/mach-s3c2410/devs.c b/arch/arm/mach-s3c2410/devs.c
index ad3845e329b..cae35ff76f3 100644
--- a/arch/arm/mach-s3c2410/devs.c
+++ b/arch/arm/mach-s3c2410/devs.c
@@ -1,22 +1,14 @@
/* linux/arch/arm/mach-s3c2410/devs.c
*
* Copyright (c) 2004 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
+ * Ben Dooks <ben@simtec.co.uk>
*
- * Base S3C2410 platform device definitions
+ * Base S3C24XX platform device definitions
*
* 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.
*
- * Modifications:
- * 15-Jan-2006 LCVR Using S3C24XX_PA_##x macro for common S3C24XX devices
- * 10-Mar-2005 LCVR Changed S3C2410_{VA,SZ} to S3C24XX_{VA,SZ}
- * 10-Feb-2005 BJD Added camera from guillaume.gourat@nexvision.tv
- * 29-Aug-2004 BJD Added timers 0 through 3
- * 29-Aug-2004 BJD Changed index of devices we only have one of to -1
- * 21-Aug-2004 BJD Added IRQ_TICK to RTC resources
- * 18-Aug-2004 BJD Created initial version
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 094cc52745c..cc92a7b2db8 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -60,7 +60,7 @@ static void __iomem *dma_base;
static kmem_cache_t *dma_kmem;
/* dma channel state information */
-s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS];
+struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS];
/* debugging functions */
@@ -74,7 +74,7 @@ s3c2410_dma_chan_t s3c2410_chans[S3C2410_DMA_CHANNELS];
#define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg))
#else
static inline void
-dma_wrreg(s3c2410_dma_chan_t *chan, int reg, unsigned long val)
+dma_wrreg(struct s3c2410_dma_chan *chan, int reg, unsigned long val)
{
pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg);
writel(val, dma_regaddr(chan, reg));
@@ -102,7 +102,7 @@ struct s3c2410_dma_regstate {
*/
static void
-dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs)
+dmadbg_capture(struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs)
{
regs->dcsrc = dma_rdreg(chan, S3C2410_DMA_DCSRC);
regs->disrc = dma_rdreg(chan, S3C2410_DMA_DISRC);
@@ -112,7 +112,7 @@ dmadbg_capture(s3c2410_dma_chan_t *chan, struct s3c2410_dma_regstate *regs)
}
static void
-dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
+dmadbg_dumpregs(const char *fname, int line, struct s3c2410_dma_chan *chan,
struct s3c2410_dma_regstate *regs)
{
printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n",
@@ -122,7 +122,7 @@ dmadbg_showregs(const char *fname, int line, s3c2410_dma_chan_t *chan,
}
static void
-dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
+dmadbg_showchan(const char *fname, int line, struct s3c2410_dma_chan *chan)
{
struct s3c2410_dma_regstate state;
@@ -132,7 +132,16 @@ dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
chan->number, fname, line, chan->load_state,
chan->curr, chan->next, chan->end);
- dmadbg_showregs(fname, line, chan, &state);
+ dmadbg_dumpregs(fname, line, chan, &state);
+}
+
+static void
+dmadbg_showregs(const char *fname, int line, struct s3c2410_dma_chan *chan)
+{
+ struct s3c2410_dma_regstate state;
+
+ dmadbg_capture(chan, &state);
+ dmadbg_dumpregs(fname, line, chan, &state);
}
#define dbg_showregs(chan) dmadbg_showregs(__FUNCTION__, __LINE__, (chan))
@@ -155,7 +164,7 @@ dmadbg_showchan(const char *fname, int line, s3c2410_dma_chan_t *chan)
*/
static void
-s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val)
+s3c2410_dma_stats_timeout(struct s3c2410_dma_stats *stats, int val)
{
if (stats == NULL)
return;
@@ -174,7 +183,7 @@ s3c2410_dma_stats_timeout(s3c2410_dma_stats_t *stats, int val)
*/
static int
-s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line)
+s3c2410_dma_waitforload(struct s3c2410_dma_chan *chan, int line)
{
int timeout = chan->load_timeout;
int took;
@@ -221,8 +230,8 @@ s3c2410_dma_waitforload(s3c2410_dma_chan_t *chan, int line)
*/
static inline int
-s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
- s3c2410_dma_buf_t *buf)
+s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan,
+ struct s3c2410_dma_buf *buf)
{
unsigned long reload;
@@ -253,10 +262,14 @@ s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
buf->next);
reload = (buf->next == NULL) ? S3C2410_DCON_NORELOAD : 0;
} else {
- pr_debug("load_state is %d => autoreload\n", chan->load_state);
+ //pr_debug("load_state is %d => autoreload\n", chan->load_state);
reload = S3C2410_DCON_AUTORELOAD;
}
+ if ((buf->data & 0xf0000000) != 0x30000000) {
+ dmawarn("dmaload: buffer is %p\n", (void *)buf->data);
+ }
+
writel(buf->data, chan->addr_reg);
dma_wrreg(chan, S3C2410_DMA_DCON,
@@ -291,7 +304,7 @@ s3c2410_dma_loadbuffer(s3c2410_dma_chan_t *chan,
*/
static void
-s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op)
+s3c2410_dma_call_op(struct s3c2410_dma_chan *chan, enum s3c2410_chan_op op)
{
if (chan->op_fn != NULL) {
(chan->op_fn)(chan, op);
@@ -305,8 +318,8 @@ s3c2410_dma_call_op(s3c2410_dma_chan_t *chan, s3c2410_chan_op_t op)
*/
static inline void
-s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf,
- s3c2410_dma_buffresult_t result)
+s3c2410_dma_buffdone(struct s3c2410_dma_chan *chan, struct s3c2410_dma_buf *buf,
+ enum s3c2410_dma_buffresult result)
{
pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n",
chan->callback_fn, buf, buf->id, buf->size, result);
@@ -321,7 +334,7 @@ s3c2410_dma_buffdone(s3c2410_dma_chan_t *chan, s3c2410_dma_buf_t *buf,
* start a dma channel going
*/
-static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
+static int s3c2410_dma_start(struct s3c2410_dma_chan *chan)
{
unsigned long tmp;
unsigned long flags;
@@ -370,7 +383,7 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
tmp |= S3C2410_DMASKTRIG_ON;
dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp);
- pr_debug("wrote %08lx to DMASKTRIG\n", tmp);
+ pr_debug("dma%d: %08lx to DMASKTRIG\n", chan->number, tmp);
#if 0
/* the dma buffer loads should take care of clearing the AUTO
@@ -384,7 +397,30 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
dbg_showchan(chan);
+ /* if we've only loaded one buffer onto the channel, then chec
+ * to see if we have another, and if so, try and load it so when
+ * the first buffer is finished, the new one will be loaded onto
+ * the channel */
+
+ if (chan->next != NULL) {
+ if (chan->load_state == S3C2410_DMALOAD_1LOADED) {
+
+ if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
+ pr_debug("%s: buff not yet loaded, no more todo\n",
+ __FUNCTION__);
+ } else {
+ chan->load_state = S3C2410_DMALOAD_1RUNNING;
+ s3c2410_dma_loadbuffer(chan, chan->next);
+ }
+
+ } else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) {
+ s3c2410_dma_loadbuffer(chan, chan->next);
+ }
+ }
+
+
local_irq_restore(flags);
+
return 0;
}
@@ -394,7 +430,7 @@ static int s3c2410_dma_start(s3c2410_dma_chan_t *chan)
*/
static int
-s3c2410_dma_canload(s3c2410_dma_chan_t *chan)
+s3c2410_dma_canload(struct s3c2410_dma_chan *chan)
{
if (chan->load_state == S3C2410_DMALOAD_NONE ||
chan->load_state == S3C2410_DMALOAD_1RUNNING)
@@ -424,8 +460,8 @@ s3c2410_dma_canload(s3c2410_dma_chan_t *chan)
int s3c2410_dma_enqueue(unsigned int channel, void *id,
dma_addr_t data, int size)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
- s3c2410_dma_buf_t *buf;
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_buf *buf;
unsigned long flags;
check_channel(channel);
@@ -436,12 +472,11 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id,
buf = kmem_cache_alloc(dma_kmem, GFP_ATOMIC);
if (buf == NULL) {
pr_debug("%s: out of memory (%ld alloc)\n",
- __FUNCTION__, sizeof(*buf));
+ __FUNCTION__, (long)sizeof(*buf));
return -ENOMEM;
}
- pr_debug("%s: new buffer %p\n", __FUNCTION__, buf);
-
+ //pr_debug("%s: new buffer %p\n", __FUNCTION__, buf);
//dbg_showchan(chan);
buf->next = NULL;
@@ -505,7 +540,7 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id,
EXPORT_SYMBOL(s3c2410_dma_enqueue);
static inline void
-s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf)
+s3c2410_dma_freebuf(struct s3c2410_dma_buf *buf)
{
int magicok = (buf->magic == BUF_MAGIC);
@@ -525,7 +560,7 @@ s3c2410_dma_freebuf(s3c2410_dma_buf_t *buf)
*/
static inline void
-s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
+s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan)
{
pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n",
chan->number, chan->load_state);
@@ -537,14 +572,20 @@ s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
case S3C2410_DMALOAD_1LOADED:
if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
/* flag error? */
- printk(KERN_ERR "dma%d: timeout waiting for load\n",
- chan->number);
+ printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n",
+ chan->number, __FUNCTION__);
return;
}
break;
+ case S3C2410_DMALOAD_1LOADED_1RUNNING:
+ /* I belive in this case we do not have anything to do
+ * until the next buffer comes along, and we turn off the
+ * reload */
+ return;
+
default:
- pr_debug("dma%d: lastxfer: unhandled load_state %d with no next",
+ pr_debug("dma%d: lastxfer: unhandled load_state %d with no next\n",
chan->number, chan->load_state);
return;
@@ -560,8 +601,8 @@ s3c2410_dma_lastxfer(s3c2410_dma_chan_t *chan)
static irqreturn_t
s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
{
- s3c2410_dma_chan_t *chan = (s3c2410_dma_chan_t *)devpw;
- s3c2410_dma_buf_t *buf;
+ struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw;
+ struct s3c2410_dma_buf *buf;
buf = chan->curr;
@@ -629,7 +670,14 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
} else {
}
- if (chan->next != NULL) {
+ /* only reload if the channel is still running... our buffer done
+ * routine may have altered the state by requesting the dma channel
+ * to stop or shutdown... */
+
+ /* todo: check that when the channel is shut-down from inside this
+ * function, we cope with unsetting reload, etc */
+
+ if (chan->next != NULL && chan->state != S3C2410_DMA_IDLE) {
unsigned long flags;
switch (chan->load_state) {
@@ -644,8 +692,8 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
case S3C2410_DMALOAD_1LOADED:
if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
/* flag error? */
- printk(KERN_ERR "dma%d: timeout waiting for load\n",
- chan->number);
+ printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n",
+ chan->number, __FUNCTION__);
return IRQ_HANDLED;
}
@@ -678,17 +726,15 @@ s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
return IRQ_HANDLED;
}
-
-
/* s3c2410_request_dma
*
* get control of an dma channel
*/
-int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
+int s3c2410_dma_request(unsigned int channel, struct s3c2410_dma_client *client,
void *dev)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
unsigned long flags;
int err;
@@ -718,11 +764,17 @@ int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
pr_debug("dma%d: %s : requesting irq %d\n",
channel, __FUNCTION__, chan->irq);
+ chan->irq_claimed = 1;
+ local_irq_restore(flags);
+
err = request_irq(chan->irq, s3c2410_dma_irq, IRQF_DISABLED,
client->name, (void *)chan);
+ local_irq_save(flags);
+
if (err) {
chan->in_use = 0;
+ chan->irq_claimed = 0;
local_irq_restore(flags);
printk(KERN_ERR "%s: cannot get IRQ %d for DMA %d\n",
@@ -730,7 +782,6 @@ int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
return err;
}
- chan->irq_claimed = 1;
chan->irq_enabled = 1;
}
@@ -756,9 +807,9 @@ EXPORT_SYMBOL(s3c2410_dma_request);
* allowed to go through.
*/
-int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client)
+int s3c2410_dma_free(dmach_t channel, struct s3c2410_dma_client *client)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
unsigned long flags;
check_channel(channel);
@@ -795,7 +846,7 @@ int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client)
EXPORT_SYMBOL(s3c2410_dma_free);
-static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
+static int s3c2410_dma_dostop(struct s3c2410_dma_chan *chan)
{
unsigned long tmp;
unsigned long flags;
@@ -810,6 +861,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG);
tmp |= S3C2410_DMASKTRIG_STOP;
+ //tmp &= ~S3C2410_DMASKTRIG_ON;
dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp);
#if 0
@@ -819,6 +871,7 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
dma_wrreg(chan, S3C2410_DMA_DCON, tmp);
#endif
+ /* should stop do this, or should we wait for flush? */
chan->state = S3C2410_DMA_IDLE;
chan->load_state = S3C2410_DMALOAD_NONE;
@@ -827,17 +880,35 @@ static int s3c2410_dma_dostop(s3c2410_dma_chan_t *chan)
return 0;
}
+void s3c2410_dma_waitforstop(struct s3c2410_dma_chan *chan)
+{
+ unsigned long tmp;
+ unsigned int timeout = 0x10000;
+
+ while (timeout-- > 0) {
+ tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG);
+
+ if (!(tmp & S3C2410_DMASKTRIG_ON))
+ return;
+ }
+
+ pr_debug("dma%d: failed to stop?\n", chan->number);
+}
+
+
/* s3c2410_dma_flush
*
* stop the channel, and remove all current and pending transfers
*/
-static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
+static int s3c2410_dma_flush(struct s3c2410_dma_chan *chan)
{
- s3c2410_dma_buf_t *buf, *next;
+ struct s3c2410_dma_buf *buf, *next;
unsigned long flags;
- pr_debug("%s:\n", __FUNCTION__);
+ pr_debug("%s: chan %p (%d)\n", __FUNCTION__, chan, chan->number);
+
+ dbg_showchan(chan);
local_irq_save(flags);
@@ -864,16 +935,69 @@ static int s3c2410_dma_flush(s3c2410_dma_chan_t *chan)
}
}
+ dbg_showregs(chan);
+
+ s3c2410_dma_waitforstop(chan);
+
+#if 0
+ /* should also clear interrupts, according to WinCE BSP */
+ {
+ unsigned long tmp;
+
+ tmp = dma_rdreg(chan, S3C2410_DMA_DCON);
+ tmp |= S3C2410_DCON_NORELOAD;
+ dma_wrreg(chan, S3C2410_DMA_DCON, tmp);
+ }
+#endif
+
+ dbg_showregs(chan);
+
local_irq_restore(flags);
return 0;
}
+int
+s3c2410_dma_started(struct s3c2410_dma_chan *chan)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ dbg_showchan(chan);
+
+ /* if we've only loaded one buffer onto the channel, then chec
+ * to see if we have another, and if so, try and load it so when
+ * the first buffer is finished, the new one will be loaded onto
+ * the channel */
+
+ if (chan->next != NULL) {
+ if (chan->load_state == S3C2410_DMALOAD_1LOADED) {
+
+ if (s3c2410_dma_waitforload(chan, __LINE__) == 0) {
+ pr_debug("%s: buff not yet loaded, no more todo\n",
+ __FUNCTION__);
+ } else {
+ chan->load_state = S3C2410_DMALOAD_1RUNNING;
+ s3c2410_dma_loadbuffer(chan, chan->next);
+ }
+
+ } else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) {
+ s3c2410_dma_loadbuffer(chan, chan->next);
+ }
+ }
+
+
+ local_irq_restore(flags);
+
+ return 0;
+
+}
int
-s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op)
+s3c2410_dma_ctrl(dmach_t channel, enum s3c2410_chan_op op)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
check_channel(channel);
@@ -885,14 +1009,15 @@ s3c2410_dma_ctrl(dmach_t channel, s3c2410_chan_op_t op)
return s3c2410_dma_dostop(chan);
case S3C2410_DMAOP_PAUSE:
- return -ENOENT;
-
case S3C2410_DMAOP_RESUME:
return -ENOENT;
case S3C2410_DMAOP_FLUSH:
return s3c2410_dma_flush(chan);
+ case S3C2410_DMAOP_STARTED:
+ return s3c2410_dma_started(chan);
+
case S3C2410_DMAOP_TIMEOUT:
return 0;
@@ -921,7 +1046,7 @@ int s3c2410_dma_config(dmach_t channel,
int xferunit,
int dcon)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n",
__FUNCTION__, channel, xferunit, dcon);
@@ -961,7 +1086,7 @@ EXPORT_SYMBOL(s3c2410_dma_config);
int s3c2410_dma_setflags(dmach_t channel, unsigned int flags)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
check_channel(channel);
@@ -981,7 +1106,7 @@ EXPORT_SYMBOL(s3c2410_dma_setflags);
int s3c2410_dma_set_opfn(dmach_t channel, s3c2410_dma_opfn_t rtn)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
check_channel(channel);
@@ -996,7 +1121,7 @@ EXPORT_SYMBOL(s3c2410_dma_set_opfn);
int s3c2410_dma_set_buffdone_fn(dmach_t channel, s3c2410_dma_cbfn_t rtn)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
check_channel(channel);
@@ -1024,11 +1149,11 @@ EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
*/
int s3c2410_dma_devconfig(int channel,
- s3c2410_dmasrc_t source,
+ enum s3c2410_dmasrc source,
int hwcfg,
unsigned long devaddr)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
check_channel(channel);
@@ -1075,7 +1200,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
int s3c2410_dma_getposition(dmach_t channel, dma_addr_t *src, dma_addr_t *dst)
{
- s3c2410_dma_chan_t *chan = &s3c2410_chans[channel];
+ struct s3c2410_dma_chan *chan = &s3c2410_chans[channel];
check_channel(channel);
@@ -1097,7 +1222,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition);
static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state)
{
- s3c2410_dma_chan_t *cp = container_of(dev, s3c2410_dma_chan_t, dev);
+ struct s3c2410_dma_chan *cp = container_of(dev, struct s3c2410_dma_chan, dev);
printk(KERN_DEBUG "suspending dma channel %d\n", cp->number);
@@ -1137,7 +1262,7 @@ static struct sysdev_class dma_sysclass = {
static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f)
{
- memset(p, 0, sizeof(s3c2410_dma_buf_t));
+ memset(p, 0, sizeof(struct s3c2410_dma_buf));
}
@@ -1145,7 +1270,7 @@ static void s3c2410_dma_cache_ctor(void *p, kmem_cache_t *c, unsigned long f)
static int __init s3c2410_init_dma(void)
{
- s3c2410_dma_chan_t *cp;
+ struct s3c2410_dma_chan *cp;
int channel;
int ret;
@@ -1163,7 +1288,7 @@ static int __init s3c2410_init_dma(void)
goto err;
}
- dma_kmem = kmem_cache_create("dma_desc", sizeof(s3c2410_dma_buf_t), 0,
+ dma_kmem = kmem_cache_create("dma_desc", sizeof(struct s3c2410_dma_buf), 0,
SLAB_HWCACHE_ALIGN,
s3c2410_dma_cache_ctor, NULL);
@@ -1176,7 +1301,7 @@ static int __init s3c2410_init_dma(void)
for (channel = 0; channel < S3C2410_DMA_CHANNELS; channel++) {
cp = &s3c2410_chans[channel];
- memset(cp, 0, sizeof(s3c2410_dma_chan_t));
+ memset(cp, 0, sizeof(struct s3c2410_dma_chan));
/* dma channel irqs are in order.. */
cp->number = channel;
diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c
index 6822dc7f779..cd6139b3599 100644
--- a/arch/arm/mach-s3c2410/irq.c
+++ b/arch/arm/mach-s3c2410/irq.c
@@ -86,7 +86,7 @@ unsigned long s3c_irqwake_intmask = 0xffffffffL;
unsigned long s3c_irqwake_eintallow = 0x0000fff0L;
unsigned long s3c_irqwake_eintmask = 0xffffffffL;
-static int
+int
s3c_irq_wake(unsigned int irqno, unsigned int state)
{
unsigned long irqbit = 1 << (irqno - IRQ_EINT0);
@@ -260,7 +260,7 @@ s3c_irqext_unmask(unsigned int irqno)
s3c_irq_unmask((irqno <= (IRQ_EINT7 - EXTINT_OFF)) ? IRQ_EINT4t7 : IRQ_EINT8t23);
}
-static int
+int
s3c_irqext_type(unsigned int irq, unsigned int type)
{
void __iomem *extint_reg;
diff --git a/arch/arm/mach-s3c2410/irq.h b/arch/arm/mach-s3c2410/irq.h
index 4abf0ca14e0..f7cc4c983de 100644
--- a/arch/arm/mach-s3c2410/irq.h
+++ b/arch/arm/mach-s3c2410/irq.h
@@ -97,3 +97,8 @@ s3c_irqsub_ack(unsigned int irqno, unsigned int parentmask, unsigned int group)
__raw_writel(parentmask, S3C2410_INTPND);
}
}
+
+/* exported for use in arch/arm/mach-s3c2410 */
+
+extern int s3c_irq_wake(unsigned int irqno, unsigned int state);
+extern int s3c_irqext_type(unsigned int irq, unsigned int type);
diff --git a/arch/arm/mach-s3c2410/mach-anubis.c b/arch/arm/mach-s3c2410/mach-anubis.c
index 4a92d6f92d6..60641d452db 100644
--- a/arch/arm/mach-s3c2410/mach-anubis.c
+++ b/arch/arm/mach-s3c2410/mach-anubis.c
@@ -60,11 +60,12 @@ static struct map_desc anubis_iodesc[] __initdata = {
.virtual = (u32)S3C24XX_VA_ISA_BYTE,
.pfn = __phys_to_pfn(0x0),
.length = SZ_4M,
- .type = MT_DEVICE
+ .type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_WORD,
.pfn = __phys_to_pfn(0x0),
- .length = SZ_4M, MT_DEVICE
+ .length = SZ_4M,
+ .type = MT_DEVICE,
},
/* we could possibly compress the next set down into a set of smaller tables
@@ -78,36 +79,12 @@ static struct map_desc anubis_iodesc[] __initdata = {
.virtual = (u32)ANUBIS_VA_CTRL1,
.pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
.length = SZ_4K,
- .type = MT_DEVICE
+ .type = MT_DEVICE,
}, {
.virtual = (u32)ANUBIS_VA_CTRL2,
.pfn = __phys_to_pfn(ANUBIS_PA_CTRL2),
.length = SZ_4K,
- .type =MT_DEVICE
- },
-
- /* IDE drives */
-
- {
- .virtual = (u32)ANUBIS_IDEPRI,
- .pfn = __phys_to_pfn(S3C2410_CS3),
- .length = SZ_1M,
- .type = MT_DEVICE
- }, {
- .virtual = (u32)ANUBIS_IDEPRIAUX,
- .pfn = __phys_to_pfn(S3C2410_CS3+(1<<26)),
- .length = SZ_1M,
- .type = MT_DEVICE
- }, {
- .virtual = (u32)ANUBIS_IDESEC,
- .pfn = __phys_to_pfn(S3C2410_CS4),
- .length = SZ_1M,
- .type = MT_DEVICE
- }, {
- .virtual = (u32)ANUBIS_IDESECAUX,
- .pfn = __phys_to_pfn(S3C2410_CS4+(1<<26)),
- .length = SZ_1M,
- .type = MT_DEVICE
+ .type = MT_DEVICE,
},
};
@@ -126,7 +103,7 @@ static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
.name = "pclk",
.divisor = 1,
.min_baud = 0,
- .max_baud = 0.
+ .max_baud = 0,
}
};
@@ -139,7 +116,7 @@ static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = anubis_serial_clocks,
- .clocks_size = ARRAY_SIZE(anubis_serial_clocks)
+ .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
},
[1] = {
.hwport = 2,
@@ -148,7 +125,7 @@ static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = anubis_serial_clocks,
- .clocks_size = ARRAY_SIZE(anubis_serial_clocks)
+ .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
},
};
@@ -162,7 +139,7 @@ static struct mtd_partition anubis_default_nand_part[] = {
[0] = {
.name = "Boot Agent",
.size = SZ_16K,
- .offset = 0
+ .offset = 0,
},
[1] = {
.name = "/boot",
@@ -194,21 +171,21 @@ static struct s3c2410_nand_set anubis_nand_sets[] = {
.nr_chips = 1,
.nr_map = external_map,
.nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
- .partitions = anubis_default_nand_part
+ .partitions = anubis_default_nand_part,
},
[0] = {
.name = "chip0",
.nr_chips = 1,
.nr_map = chip0_map,
.nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
- .partitions = anubis_default_nand_part
+ .partitions = anubis_default_nand_part,
},
[2] = {
.name = "chip1",
.nr_chips = 1,
.nr_map = chip1_map,
.nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
- .partitions = anubis_default_nand_part
+ .partitions = anubis_default_nand_part,
},
};
@@ -313,7 +290,7 @@ static struct s3c24xx_board anubis_board __initdata = {
.devices = anubis_devices,
.devices_count = ARRAY_SIZE(anubis_devices),
.clocks = anubis_clocks,
- .clocks_count = ARRAY_SIZE(anubis_clocks)
+ .clocks_count = ARRAY_SIZE(anubis_clocks),
};
static void __init anubis_map_io(void)
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 947234df816..2968fb235f9 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -8,31 +8,6 @@
* 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.
- *
- * Modifications:
- * 14-Sep-2004 BJD USB power control
- * 20-Aug-2004 BJD Added s3c2410_board struct
- * 18-Aug-2004 BJD Added platform devices from default set
- * 16-May-2003 BJD Created initial version
- * 16-Aug-2003 BJD Fixed header files and copyright, added URL
- * 05-Sep-2003 BJD Moved to v2.6 kernel
- * 06-Jan-2003 BJD Updates for <arch/map.h>
- * 18-Jan-2003 BJD Added serial port configuration
- * 05-Oct-2004 BJD Power management code
- * 04-Nov-2004 BJD Updated serial port clocks
- * 04-Jan-2005 BJD New uart init call
- * 10-Jan-2005 BJD Removed include of s3c2410.h
- * 14-Jan-2005 BJD Add support for muitlple NAND devices
- * 03-Mar-2005 BJD Ensured that bast-cpld.h is included
- * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- * 14-Mar-2005 BJD Updated for __iomem changes
- * 22-Jun-2005 BJD Added DM9000 platform information
- * 28-Jun-2005 BJD Moved pm functionality out to common code
- * 17-Jul-2005 BJD Changed to platform device for SuperIO 16550s
- * 25-Jul-2005 BJD Removed ASIX static mappings
- * 27-Jul-2005 BJD Ensure maximum frequency of i2c bus
- * 20-Sep-2005 BJD Added static to non-exported items
- * 26-Oct-2005 BJD Added FB platform data
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index aec431b2830..8c895c077d2 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -9,23 +9,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
- * Modifications:
- * 16-May-2003 BJD Created initial version
- * 16-Aug-2003 BJD Fixed header files and copyright, added URL
- * 05-Sep-2003 BJD Moved to v2.6 kernel
- * 06-Jan-2003 BJD Updates for <arch/map.h>
- * 18-Jan-2003 BJD Added serial port configuration
- * 17-Feb-2003 BJD Copied to mach-ipaq.c
- * 21-Aug-2004 BJD Added struct s3c2410_board
- * 04-Sep-2004 BJD Changed uart init, renamed ipaq_ -> h1940_
- * 18-Oct-2004 BJD Updated new board structure name
- * 04-Nov-2004 BJD Change for new serial clock
- * 04-Jan-2005 BJD Updated uart init call
- * 10-Jan-2005 BJD Removed include of s3c2410.h
- * 14-Jan-2005 BJD Added clock init
- * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- * 20-Sep-2005 BJD Added static to non-exported items
- * 26-Oct-2005 BJD Changed name of fb init call
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-s3c2410/mach-osiris.c b/arch/arm/mach-s3c2410/mach-osiris.c
index 858fd03c6bc..e193ba69e65 100644
--- a/arch/arm/mach-s3c2410/mach-osiris.c
+++ b/arch/arm/mach-s3c2410/mach-osiris.c
@@ -67,12 +67,12 @@ static struct map_desc osiris_iodesc[] __initdata = {
.virtual = (u32)OSIRIS_VA_CTRL1,
.pfn = __phys_to_pfn(OSIRIS_PA_CTRL1),
.length = SZ_16K,
- .type = MT_DEVICE
+ .type = MT_DEVICE,
}, {
.virtual = (u32)OSIRIS_VA_CTRL2,
.pfn = __phys_to_pfn(OSIRIS_PA_CTRL2),
.length = SZ_16K,
- .type = MT_DEVICE
+ .type = MT_DEVICE,
},
};
@@ -91,7 +91,7 @@ static struct s3c24xx_uart_clksrc osiris_serial_clocks[] = {
.name = "pclk",
.divisor = 1,
.min_baud = 0,
- .max_baud = 0.
+ .max_baud = 0,
}
};
@@ -103,7 +103,7 @@ static struct s3c2410_uartcfg osiris_uartcfgs[] __initdata = {
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = osiris_serial_clocks,
- .clocks_size = ARRAY_SIZE(osiris_serial_clocks)
+ .clocks_size = ARRAY_SIZE(osiris_serial_clocks),
},
[1] = {
.hwport = 1,
@@ -112,7 +112,7 @@ static struct s3c2410_uartcfg osiris_uartcfgs[] __initdata = {
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = osiris_serial_clocks,
- .clocks_size = ARRAY_SIZE(osiris_serial_clocks)
+ .clocks_size = ARRAY_SIZE(osiris_serial_clocks),
},
};
@@ -126,7 +126,7 @@ static struct mtd_partition osiris_default_nand_part[] = {
[0] = {
.name = "Boot Agent",
.size = SZ_16K,
- .offset = 0
+ .offset = 0,
},
[1] = {
.name = "/boot",
@@ -158,21 +158,21 @@ static struct s3c2410_nand_set osiris_nand_sets[] = {
.nr_chips = 1,
.nr_map = external_map,
.nr_partitions = ARRAY_SIZE(osiris_default_nand_part),
- .partitions = osiris_default_nand_part
+ .partitions = osiris_default_nand_part,
},
[0] = {
.name = "chip0",
.nr_chips = 1,
.nr_map = chip0_map,
.nr_partitions = ARRAY_SIZE(osiris_default_nand_part),
- .partitions = osiris_default_nand_part
+ .partitions = osiris_default_nand_part,
},
[2] = {
.name = "chip1",
.nr_chips = 1,
.nr_map = chip1_map,
.nr_partitions = ARRAY_SIZE(osiris_default_nand_part),
- .partitions = osiris_default_nand_part
+ .partitions = osiris_default_nand_part,
},
};
@@ -245,7 +245,7 @@ static struct s3c24xx_board osiris_board __initdata = {
.devices = osiris_devices,
.devices_count = ARRAY_SIZE(osiris_devices),
.clocks = osiris_clocks,
- .clocks_count = ARRAY_SIZE(osiris_clocks)
+ .clocks_count = ARRAY_SIZE(osiris_clocks),
};
static void __init osiris_map_io(void)
diff --git a/arch/arm/mach-s3c2410/mach-rx3715.c b/arch/arm/mach-s3c2410/mach-rx3715.c
index 306afc1d7cd..23d7c052013 100644
--- a/arch/arm/mach-s3c2410/mach-rx3715.c
+++ b/arch/arm/mach-s3c2410/mach-rx3715.c
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
- * Modifications:
- * 16-Sep-2004 BJD Copied from mach-h1940.c
- * 25-Oct-2004 BJD Updates for 2.6.10-rc1
- * 10-Jan-2005 BJD Removed include of s3c2410.h s3c2440.h
- * 14-Jan-2005 BJD Added new clock init
- * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- * 14-Mar-2005 BJD Fixed __iomem warnings
- * 20-Sep-2005 BJD Added static to non-exported items
- * 31-Oct-2005 BJD Added LCD setup for framebuffer
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c
index 25f7e9f4dce..b3b0171d505 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2410.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2410.c
@@ -27,10 +27,6 @@
* derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
* Ben Dooks <ben@simtec.co.uk>
*
- * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- * 20-Sep-2005 BJD Added static to non-exported items
- * 01-Apr-2006 BJD Moved init code to common smdk
- *
***********************************************************************/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-s3c2410/mach-smdk2413.c b/arch/arm/mach-s3c2410/mach-smdk2413.c
index b7ef7d3c54a..3a4ca7f6f7b 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2413.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2413.c
@@ -112,7 +112,20 @@ static void __init smdk2413_machine_init(void)
smdk_machine_init();
}
-MACHINE_START(S3C2413, "SMDK2413")
+MACHINE_START(S3C2413, "S3C2413")
+ /* Maintainer: Ben Dooks <ben@fluff.org> */
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+
+ .fixup = smdk2413_fixup,
+ .init_irq = s3c24xx_init_irq,
+ .map_io = smdk2413_map_io,
+ .init_machine = smdk2413_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
+
+MACHINE_START(SMDK2413, "SMDK2413")
/* Maintainer: Ben Dooks <ben@fluff.org> */
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index d18efb279d3..a0d7692cdb2 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -10,25 +10,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
- * Modifications:
- * 14-Sep-2004 BJD USB Power control
- * 04-Sep-2004 BJD Added new uart init, and io init
- * 21-Aug-2004 BJD Added struct s3c2410_board
- * 06-Aug-2004 BJD Fixed call to time initialisation
- * 05-Apr-2004 BJD Copied to make mach-vr1000.c
- * 18-Oct-2004 BJD Updated board struct
- * 04-Nov-2004 BJD Clock and serial configuration update
- *
- * 04-Jan-2005 BJD Updated uart init call
- * 10-Jan-2005 BJD Removed include of s3c2410.h
- * 14-Jan-2005 BJD Added clock init
- * 15-Jan-2005 BJD Add serial port device definition
- * 20-Jan-2005 BJD Use UPF_IOREMAP for ports
- * 10-Feb-2005 BJD Added power-off capability
- * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- * 14-Mar-2006 BJD void __iomem fixes
- * 22-Jun-2006 BJD Added DM9000 platform information
- * 20-Sep-2005 BJD Added static to non-exported items
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-s3c2410/s3c2400-gpio.c b/arch/arm/mach-s3c2410/s3c2400-gpio.c
index 5127f39fa9b..f2a78175a70 100644
--- a/arch/arm/mach-s3c2410/s3c2400-gpio.c
+++ b/arch/arm/mach-s3c2410/s3c2400-gpio.c
@@ -17,10 +17,7 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Changelog
- * 15-Jan-2006 LCVR Splitted from gpio.c, adding support for the S3C2400
- */
+*/
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-s3c2410/s3c2410.h b/arch/arm/mach-s3c2410/s3c2410.h
index 73f1a2474a6..fbed084f26d 100644
--- a/arch/arm/mach-s3c2410/s3c2410.h
+++ b/arch/arm/mach-s3c2410/s3c2410.h
@@ -9,14 +9,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
- * Modifications:
- * 18-Aug-2004 BJD Created initial version
- * 20-Aug-2004 BJD Added s3c2410_board struct
- * 04-Sep-2004 BJD Added s3c2410_init_uarts() call
- * 17-Oct-2004 BJD Moved board out to cpu
- * 04-Jan-2005 BJD Changed uart init
- * 10-Jan-2005 BJD Removed timer to cpu.h, moved 2410 specific bits here
- * 14-Jan-2005 BJD Added s3c2410_init_clocks call
*/
#ifdef CONFIG_CPU_S3C2410
diff --git a/arch/arm/mach-s3c2410/s3c2412-irq.c b/arch/arm/mach-s3c2410/s3c2412-irq.c
new file mode 100644
index 00000000000..c80ec93dfea
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2412-irq.c
@@ -0,0 +1,130 @@
+/* linux/arch/arm/mach-s3c2412/s3c2412-irq.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/ptrace.h>
+#include <linux/sysdev.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+
+#include <asm/mach/irq.h>
+
+#include <asm/arch/regs-irq.h>
+#include <asm/arch/regs-gpio.h>
+
+#include "cpu.h"
+#include "irq.h"
+
+/* the s3c2412 changes the behaviour of IRQ_EINT0 through IRQ_EINT3 by
+ * having them turn up in both the INT* and the EINT* registers. Whilst
+ * both show the status, they both now need to be acked when the IRQs
+ * go off.
+*/
+
+static void
+s3c2412_irq_mask(unsigned int irqno)
+{
+ unsigned long bitval = 1UL << (irqno - IRQ_EINT0);
+ unsigned long mask;
+
+ mask = __raw_readl(S3C2410_INTMSK);
+ __raw_writel(mask | bitval, S3C2410_INTMSK);
+
+ mask = __raw_readl(S3C2412_EINTMASK);
+ __raw_writel(mask | bitval, S3C2412_EINTMASK);
+}
+
+static inline void
+s3c2412_irq_ack(unsigned int irqno)
+{
+ unsigned long bitval = 1UL << (irqno - IRQ_EINT0);
+
+ __raw_writel(bitval, S3C2412_EINTPEND);
+ __raw_writel(bitval, S3C2410_SRCPND);
+ __raw_writel(bitval, S3C2410_INTPND);
+}
+
+static inline void
+s3c2412_irq_maskack(unsigned int irqno)
+{
+ unsigned long bitval = 1UL << (irqno - IRQ_EINT0);
+ unsigned long mask;
+
+ mask = __raw_readl(S3C2410_INTMSK);
+ __raw_writel(mask|bitval, S3C2410_INTMSK);
+
+ mask = __raw_readl(S3C2412_EINTMASK);
+ __raw_writel(mask | bitval, S3C2412_EINTMASK);
+
+ __raw_writel(bitval, S3C2412_EINTPEND);
+ __raw_writel(bitval, S3C2410_SRCPND);
+ __raw_writel(bitval, S3C2410_INTPND);
+}
+
+static void
+s3c2412_irq_unmask(unsigned int irqno)
+{
+ unsigned long bitval = 1UL << (irqno - IRQ_EINT0);
+ unsigned long mask;
+
+ mask = __raw_readl(S3C2412_EINTMASK);
+ __raw_writel(mask & ~bitval, S3C2412_EINTMASK);
+
+ mask = __raw_readl(S3C2410_INTMSK);
+ __raw_writel(mask & ~bitval, S3C2410_INTMSK);
+}
+
+static struct irqchip s3c2412_irq_eint0t4 = {
+ .ack = s3c2412_irq_ack,
+ .mask = s3c2412_irq_mask,
+ .unmask = s3c2412_irq_unmask,
+ .set_wake = s3c_irq_wake,
+ .set_type = s3c_irqext_type,
+};
+
+static int s3c2412_irq_add(struct sys_device *sysdev)
+{
+ unsigned int irqno;
+
+ for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) {
+ set_irq_chip(irqno, &s3c2412_irq_eint0t4);
+ set_irq_handler(irqno, do_edge_IRQ);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+}
+
+static struct sysdev_driver s3c2412_irq_driver = {
+ .add = s3c2412_irq_add,
+};
+
+static int s3c2412_irq_init(void)
+{
+ return sysdev_driver_register(&s3c2412_sysclass, &s3c2412_irq_driver);
+}
+
+arch_initcall(s3c2412_irq_init);
diff --git a/arch/arm/mach-s3c2410/s3c2440-irq.c b/arch/arm/mach-s3c2410/s3c2440-irq.c
index acfe3870727..1667ba1fa43 100644
--- a/arch/arm/mach-s3c2410/s3c2440-irq.c
+++ b/arch/arm/mach-s3c2410/s3c2440-irq.c
@@ -17,9 +17,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * Changelog:
- * 25-Jul-2005 BJD Split from irq.c
- *
*/
#include <linux/init.h>
diff --git a/arch/arm/mach-s3c2410/s3c244x-irq.c b/arch/arm/mach-s3c2410/s3c244x-irq.c
index 2aadca1ce7e..44c5affa9b8 100644
--- a/arch/arm/mach-s3c2410/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2410/s3c244x-irq.c
@@ -17,9 +17,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * Changelog:
- * 25-Jul-2005 BJD Split from irq.c
- *
*/
#include <linux/init.h>
@@ -122,21 +119,24 @@ static int s3c244x_irq_add(struct sys_device *sysdev)
return 0;
}
-static struct sysdev_driver s3c244x_irq_driver = {
+static struct sysdev_driver s3c2440_irq_driver = {
.add = s3c244x_irq_add,
};
static int s3c2440_irq_init(void)
{
- return sysdev_driver_register(&s3c2440_sysclass, &s3c244x_irq_driver);
+ return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_irq_driver);
}
arch_initcall(s3c2440_irq_init);
+static struct sysdev_driver s3c2442_irq_driver = {
+ .add = s3c244x_irq_add,
+};
static int s3c2442_irq_init(void)
{
- return sysdev_driver_register(&s3c2442_sysclass, &s3c244x_irq_driver);
+ return sysdev_driver_register(&s3c2442_sysclass, &s3c2442_irq_driver);
}
arch_initcall(s3c2442_irq_init);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-29 14:36:37 +0000