Commit 710ee0cc authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: SE7206 build fixes.



A number of API changes happened underneath the 7206 patches, update
for everything that broke.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent f36af3fd
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+11 −33
Original line number Diff line number Diff line
@@ -6,12 +6,10 @@
 * Hitachi SolutionEngine Support.
 *
 */

#include <linux/config.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <asm/se7206.h>

#define INTSTS0 0x31800000
@@ -20,9 +18,6 @@
#define INTMSK1 0x31800006
#define INTSEL  0x31800008

/* shutdown is same as "disable" */
#define shutdown_se7206_irq disable_se7206_irq

static void disable_se7206_irq(unsigned int irq)
{
	unsigned short val;
@@ -84,18 +79,7 @@ static void enable_se7206_irq(unsigned int irq)
	ctrl_outw(msk1, INTMSK1);
}

static unsigned int startup_se7206_irq(unsigned int irq)
{
	enable_se7206_irq(irq);
	return 0; /* never anything pending */
}

static void ack_se7206_irq(unsigned int irq)
{
	disable_se7206_irq(irq);
}

static void end_se7206_irq(unsigned int irq)
static void eoi_se7206_irq(unsigned int irq)
{
	unsigned short sts0,sts1;

@@ -121,20 +105,19 @@ static void end_se7206_irq(unsigned int irq)
	ctrl_outw(sts1, INTSTS1);
}

static struct hw_interrupt_type se7206_irq_type = {
	.typename =  "SE7206 FPGA-IRQ",
	.startup = startup_se7206_irq,
	.shutdown = shutdown_se7206_irq,
	.enable = enable_se7206_irq,
	.disable = disable_se7206_irq,
	.ack = ack_se7206_irq,
	.end = end_se7206_irq,
static struct irq_chip se7206_irq_chip __read_mostly = {
	.name		= "SE7206-FPGA-IRQ",
	.mask		= disable_se7206_irq,
	.unmask		= enable_se7206_irq,
	.mask_ack	= disable_se7206_irq,
	.eoi		= eoi_se7206_irq,
};

static void make_se7206_irq(unsigned int irq)
{
	disable_irq_nosync(irq);
	irq_desc[irq].handler = &se7206_irq_type;
	set_irq_chip_and_handler_name(irq, &se7206_irq_chip,
				      handle_level_irq, "level");
	disable_se7206_irq(irq);
}

@@ -154,8 +137,3 @@ void __init init_se7206_IRQ(void)
	/* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */
	ctrl_outw(0x0001,INTSEL);
}

int se7206_irq_demux(int irq)
{
	return irq;
}
+1 −2
Original line number Diff line number Diff line
@@ -10,8 +10,8 @@

#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/se7206.h>
#include <asm/io.h>
#include <asm/machvec.h>

static struct resource smc91x_resources[] = {
@@ -72,7 +72,6 @@ struct sh_machine_vector mv_se __initmv = {
	.mv_outsl		= se7206_outsl,

	.mv_init_irq		= init_se7206_IRQ,
	.mv_irq_demux		= se7206_irq_demux,
#ifdef CONFIG_HEARTBEAT
	.mv_heartbeat		= heartbeat_se,
#endif
+2 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ unsigned long shm_align_mask = PAGE_SIZE - 1; /* Sane caches */

EXPORT_SYMBOL(shm_align_mask);

#ifdef CONFIG_MMU
/*
 * To avoid cache aliases, we map the shared page with same color.
 */
@@ -135,6 +136,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
			addr = COLOUR_ALIGN(addr, pgoff);
	}
}
#endif /* CONFIG_MMU */

static inline long
do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, 
+5 −58
Original line number Diff line number Diff line
@@ -96,8 +96,7 @@ static unsigned long cmt_timer_get_offset(void)
	return count;
}

static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id,
				       struct pt_regs *regs)
static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id)
{
	unsigned long timer_status;

@@ -114,7 +113,7 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id,
	 * locally disabled. -arca
	 */
	write_seqlock(&xtime_lock);
	handle_timer_tick(regs);
	handle_timer_tick();
	write_sequnlock(&xtime_lock);

	return IRQ_HANDLED;
@@ -123,62 +122,10 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id,
static struct irqaction cmt_irq = {
	.name		= "timer",
	.handler	= cmt_timer_interrupt,
	.flags		= SA_INTERRUPT,
	.flags		= IRQF_DISABLED,
	.mask		= CPU_MASK_NONE,
};

/*
 * Hah!  We'll see if this works (switching from usecs to nsecs).
 */
static unsigned long cmt_timer_get_frequency(void)
{
	u32 freq;
	struct timespec ts1, ts2;
	unsigned long diff_nsec;
	unsigned long factor;

	/* Setup the timer:  We don't want to generate interrupts, just
	 * have it count down at its natural rate.
	 */
	
	ctrl_outw(ctrl_inw(CMT_CMSTR) & ~0x01, CMT_CMSTR);
	ctrl_outw(CMT_CMCSR_CALIB, CMT_CMCSR_0);
	ctrl_outw(0xffff, CMT_CMCOR_0);
	ctrl_outw(0xffff, CMT_CMCNT_0);

	rtc_sh_get_time(&ts2);

	do {
		rtc_sh_get_time(&ts1);
	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);

	/* actually start the timer */
	ctrl_outw(ctrl_inw(CMT_CMSTR) | 0x01, CMT_CMSTR);

	do {
		rtc_sh_get_time(&ts2);
	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);

	freq = 0xffff - ctrl_inw(CMT_CMCNT_0);
	if (ts2.tv_nsec < ts1.tv_nsec) {
		ts2.tv_nsec += 1000000000;
		ts2.tv_sec--;
	}

	diff_nsec = (ts2.tv_sec - ts1.tv_sec) * 1000000000 + (ts2.tv_nsec - ts1.tv_nsec);

	/* this should work well if the RTC has a precision of n Hz, where
	 * n is an integer.  I don't think we have to worry about the other
	 * cases. */
	factor = (1000000000 + diff_nsec/2) / diff_nsec;

	if (factor * diff_nsec > 1100000000 ||
	    factor * diff_nsec <  900000000)
		panic("weird RTC (diff_nsec %ld)", diff_nsec);

	return freq * factor;
}

static void cmt_clk_init(struct clk *clk)
{
	u8 divisor = CMT_CMCSR_INIT & 0x3;
@@ -245,12 +192,12 @@ struct sys_timer_ops cmt_timer_ops = {
	.init		= cmt_timer_init,
	.start		= cmt_timer_start,
	.stop		= cmt_timer_stop,
	.get_frequency	= cmt_timer_get_frequency,
#ifndef CONFIG_GENERIC_TIME
	.get_offset	= cmt_timer_get_offset,
#endif
};

struct sys_timer cmt_timer = {
	.name	= "cmt",
	.ops	= &cmt_timer_ops,
};
+5 −57
Original line number Diff line number Diff line
@@ -98,8 +98,7 @@ static unsigned long mtu2_timer_get_offset(void)
	return count;
}

static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id,
				       struct pt_regs *regs)
static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id)
{
	unsigned long timer_status;

@@ -110,7 +109,7 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id,

	/* Do timer tick */
	write_seqlock(&xtime_lock);
	handle_timer_tick(regs);
	handle_timer_tick();
	write_sequnlock(&xtime_lock);

	return IRQ_HANDLED;
@@ -119,62 +118,10 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id,
static struct irqaction mtu2_irq = {
	.name		= "timer",
	.handler	= mtu2_timer_interrupt,
	.flags		= SA_INTERRUPT,
	.flags		= IRQF_DISABLED,
	.mask		= CPU_MASK_NONE,
};

/*
 * Hah!  We'll see if this works (switching from usecs to nsecs).
 */
static unsigned long mtu2_timer_get_frequency(void)
{
	u32 freq;
	struct timespec ts1, ts2;
	unsigned long diff_nsec;
	unsigned long factor;

	/* Setup the timer:  We don't want to generate interrupts, just
	 * have it count down at its natural rate.
	 */
	
	ctrl_outb(ctrl_inb(MTU2_TSTR) & ~MTU2_TSTR_CST1, MTU2_TSTR);
	ctrl_outb(MTU2_TCR_CALIB, MTU2_TCR_1);
	ctrl_outb(ctrl_inb(MTU2_TIER_1) & ~MTU2_TIER_TGIEA, MTU2_TIER_1);
	ctrl_outw(0, MTU2_TCNT_1);

	rtc_get_time(&ts2);

	do {
		rtc_get_time(&ts1);
	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);

	/* actually start the timer */
	ctrl_outw(ctrl_inw(CMT_CMSTR) | 0x01, CMT_CMSTR);

	do {
		rtc_get_time(&ts2);
	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);

	freq = ctrl_inw(MTU2_TCNT_0);
	if (ts2.tv_nsec < ts1.tv_nsec) {
		ts2.tv_nsec += 1000000000;
		ts2.tv_sec--;
	}

	diff_nsec = (ts2.tv_sec - ts1.tv_sec) * 1000000000 + (ts2.tv_nsec - ts1.tv_nsec);

	/* this should work well if the RTC has a precision of n Hz, where
	 * n is an integer.  I don't think we have to worry about the other
	 * cases. */
	factor = (1000000000 + diff_nsec/2) / diff_nsec;

	if (factor * diff_nsec > 1100000000 ||
	    factor * diff_nsec <  900000000)
		panic("weird RTC (diff_nsec %ld)", diff_nsec);

	return freq * factor;
}

static unsigned int divisors[] = { 1, 4, 16, 64, 1, 1, 256 };

static void mtu2_clk_init(struct clk *clk)
@@ -250,8 +197,9 @@ struct sys_timer_ops mtu2_timer_ops = {
	.init		= mtu2_timer_init,
	.start		= mtu2_timer_start,
	.stop		= mtu2_timer_stop,
	.get_frequency	= mtu2_timer_get_frequency,
#ifndef CONFIG_GENERIC_TIME
	.get_offset	= mtu2_timer_get_offset,
#endif
};

struct sys_timer mtu2_timer = {
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