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authorMarek Vasut <marex@denx.de>2012-10-03 08:54:09 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-10-26 22:37:12 +0200
commitafad40299eea12dfd032b44d04c2d4151d7e9862 (patch)
tree417be44c334316e52d416bdbaf68d5a41edd375c /arch/arm/cpu/arm720t/interrupts.c
parent6f62f4207112013852be87dc2b9c7c570eba11c9 (diff)
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arm: Remove support for s3c4510
This stuff has been rotting in the tree for a year now. Remove it. Signed-off-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'arch/arm/cpu/arm720t/interrupts.c')
-rw-r--r--arch/arm/cpu/arm720t/interrupts.c106
1 files changed, 1 insertions, 105 deletions
diff --git a/arch/arm/cpu/arm720t/interrupts.c b/arch/arm/cpu/arm720t/interrupts.c
index 5b21cc3..e3b59fe 100644
--- a/arch/arm/cpu/arm720t/interrupts.c
+++ b/arch/arm/cpu/arm720t/interrupts.c
@@ -45,28 +45,10 @@
#define READ_TIMER (TM2STAT & NETARM_GEN_TSTAT_CTC_MASK)
#endif
-#ifdef CONFIG_S3C4510B
-/* require interrupts for the S3C4510B */
-# ifndef CONFIG_USE_IRQ
-# error CONFIG_USE_IRQ _must_ be defined when using CONFIG_S3C4510B
-# else
-static struct _irq_handler IRQ_HANDLER[N_IRQS];
-# endif
-#endif /* CONFIG_S3C4510B */
-
#ifdef CONFIG_USE_IRQ
void do_irq (struct pt_regs *pt_regs)
{
-#if defined(CONFIG_S3C4510B)
- unsigned int pending;
-
- while ( (pending = GET_REG( REG_INTOFFSET)) != 0x54) { /* sentinal value for no pending interrutps */
- IRQ_HANDLER[pending>>2].m_func( IRQ_HANDLER[pending>>2].m_data);
-
- /* clear pending interrupt */
- PUT_REG( REG_INTPEND, (1<<(pending>>2)));
- }
-#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* No do_irq() for IntegratorAP/CM720T as yet */
#else
#error do_irq() not defined for this CPU type
@@ -74,23 +56,6 @@ void do_irq (struct pt_regs *pt_regs)
}
#endif
-#ifdef CONFIG_S3C4510B
-static void default_isr( void *data) {
- printf ("default_isr(): called for IRQ %d\n", (int)data);
-}
-
-static void timer_isr( void *data) {
- unsigned int *pTime = (unsigned int *)data;
-
- (*pTime)++;
- if ( !(*pTime % (CONFIG_SYS_HZ/4))) {
- /* toggle LED 0 */
- PUT_REG( REG_IOPDATA, GET_REG(REG_IOPDATA) ^ 0x1);
- }
-
-}
-#endif
-
#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* Use IntegratorAP routines in board/integratorap.c */
#else
@@ -98,32 +63,6 @@ static void timer_isr( void *data) {
static ulong timestamp;
static ulong lastdec;
-#if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C4510B)
-int arch_interrupt_init (void)
-{
- int i;
-
- /* install default interrupt handlers */
- for ( i = 0; i < N_IRQS; i++) {
- IRQ_HANDLER[i].m_data = (void *)i;
- IRQ_HANDLER[i].m_func = default_isr;
- }
-
- /* configure interrupts for IRQ mode */
- PUT_REG( REG_INTMODE, 0x0);
- /* clear any pending interrupts */
- PUT_REG( REG_INTPEND, 0x1FFFFF);
-
- lastdec = 0;
-
- /* install interrupt handler for timer */
- IRQ_HANDLER[INT_TIMER0].m_data = (void *)&timestamp;
- IRQ_HANDLER[INT_TIMER0].m_func = timer_isr;
-
- return 0;
-}
-#endif
-
int timer_init (void)
{
#if defined(CONFIG_NETARM)
@@ -137,29 +76,6 @@ int timer_init (void)
/* set timer 2 counter */
lastdec = TIMER_LOAD_VAL;
-#elif defined(CONFIG_S3C4510B)
- /* configure free running timer 0 */
- PUT_REG( REG_TMOD, 0x0);
- /* Stop timer 0 */
- CLR_REG( REG_TMOD, TM0_RUN);
-
- /* Configure for interval mode */
- CLR_REG( REG_TMOD, TM1_TOGGLE);
-
- /*
- * Load Timer data register with count down value.
- * count_down_val = CONFIG_SYS_SYS_CLK_FREQ/CONFIG_SYS_HZ
- */
- PUT_REG( REG_TDATA0, (CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ));
-
- /*
- * Enable global interrupt
- * Enable timer0 interrupt
- */
- CLR_REG( REG_INTMASK, ((1<<INT_GLOBAL) | (1<<INT_TIMER0)));
-
- /* Start timer */
- SET_REG( REG_TMOD, TM0_RUN);
#elif defined(CONFIG_TEGRA)
/* No timer routines for tegra as yet */
lastdec = 0;
@@ -237,26 +153,6 @@ void udelay_masked (unsigned long usec)
} while (diff >= 0);
}
-#elif defined(CONFIG_S3C4510B)
-
-ulong get_timer (ulong base)
-{
- return timestamp - base;
-}
-
-void __udelay (unsigned long usec)
-{
- u32 ticks;
-
- ticks = (usec * CONFIG_SYS_HZ) / 1000000;
-
- ticks += get_timer (0);
-
- while (get_timer (0) < ticks)
- /*NOP*/;
-
-}
-
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* No timer routines for IntegratorAP/CM720T as yet */
#elif defined(CONFIG_TEGRA)