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| author | Gary Jennejohn <garyj@pollux.denx.de> | 2007-01-24 12:16:56 +0100 |
|---|---|---|
| committer | Gary Jennejohn <garyj@pollux.denx.de> | 2007-01-24 12:16:56 +0100 |
| commit | 6bd2447ee47ee23c18d2b3c7ccd5a20f7626f5b3 (patch) | |
| tree | b002914fc995346cb06a8f79dbb100c5e9164cd6 /cpu/arm720t/interrupts.c | |
| parent | b78bb469f536b357ee21c54f40201dbe4b201ac3 (diff) | |
| download | u-boot-imx-6bd2447ee47ee23c18d2b3c7ccd5a20f7626f5b3.zip u-boot-imx-6bd2447ee47ee23c18d2b3c7ccd5a20f7626f5b3.tar.gz u-boot-imx-6bd2447ee47ee23c18d2b3c7ccd5a20f7626f5b3.tar.bz2 | |
Add port for the lpc2292sodimm evaluation board from EmbeddedArtists
Diffstat (limited to 'cpu/arm720t/interrupts.c')
| -rw-r--r-- | cpu/arm720t/interrupts.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/cpu/arm720t/interrupts.c b/cpu/arm720t/interrupts.c index da62502..8f32124 100644 --- a/cpu/arm720t/interrupts.c +++ b/cpu/arm720t/interrupts.c @@ -36,6 +36,12 @@ #define TIMER_LOAD_VAL 0xffff /* macro to read the 16 bit timer */ #define READ_TIMER (IO_TC1D & 0xffff) + +#ifdef CONFIG_LPC2292 +#undef READ_TIMER +#define READ_TIMER (0xFFFFFFFF - GET32(T0TC)) +#endif + #else #define IRQEN (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_INTR_ENABLE)) #define TM2CTRL (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_TIMER2_CONTROL)) @@ -195,6 +201,13 @@ void do_irq (struct pt_regs *pt_regs) } #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No do_irq() for IntegratorAP/CM720T as yet */ +#elif defined(CONFIG_LPC2292) + + void (*pfnct)(void); + + pfnct = (void (*)(void))VICVectAddr; + + (*pfnct)(); #else #error do_irq() not defined for this CPU type #endif @@ -293,6 +306,13 @@ int interrupt_init (void) /* Start timer */ SET_REG( REG_TMOD, TM0_RUN); +#elif defined(CONFIG_LPC2292) + PUT32(T0IR, 0); /* disable all timer0 interrupts */ + PUT32(T0TCR, 0); /* disable timer0 */ + PUT32(T0PR, CFG_SYS_CLK_FREQ / CFG_HZ); + PUT32(T0MCR, 0); + PUT32(T0TC, 0); + PUT32(T0TCR, 1); /* enable timer0 */ #else #error No interrupt_init() defined for this CPU type @@ -309,7 +329,7 @@ int interrupt_init (void) */ -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO) || defined(CONFIG_LPC2292) void reset_timer (void) { @@ -337,7 +357,12 @@ void udelay (unsigned long usec) tmo += get_timer (0); while (get_timer_masked () < tmo) +#ifdef CONFIG_LPC2292 + /* GJ - not sure whether this is really needed or a misunderstanding */ + __asm__ __volatile__(" nop"); +#else /*NOP*/; +#endif } void reset_timer_masked (void) |