/*
* tmr_group1_config:
* group1_timer0: cpu0 local_timer, free running, 32K
* group1_timer1: cpu1 local_timer, free running, 32K
* group1_timer2: clock source, free running, 32K
*/
static void __init tmr_group1_config(void)
{
/* Select the configurable timer clock rate to be 3.25MHz */
__raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA988_TIMERS1);
__raw_writel(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3),
APBC_PXA988_TIMERS1);
__raw_writel(0x0, group1_base + TMR_CER); /* disable */
/* timer0:32K, timer1:32K, timer2:32K */
__raw_writel(TMR_CCR_CS_0(1) | TMR_CCR_CS_1(1) | TMR_CCR_CS_2(2),
group1_base + TMR_CCR);
/* set timer0/1/2 to free-running mode */
__raw_writel(0x7, group1_base + TMR_CMR);
__raw_writel(0x0, group1_base + TMR_PLCR(0)); /* free-running */
__raw_writel(0x7, group1_base + TMR_ICR(0)); /* clear status */
__raw_writel(0x0, group1_base + TMR_IER(0)); /* disable irq */
__raw_writel(0x0, group1_base + TMR_PLCR(1)); /* free-running */
__raw_writel(0x7, group1_base + TMR_ICR(1)); /* clear status */
__raw_writel(0x0, group1_base + TMR_IER(1)); /* disable irq */
__raw_writel(0x0, group1_base + TMR_PLCR(2)); /* free-running */
__raw_writel(0x7, group1_base + TMR_ICR(2)); /* clear status */
__raw_writel(0x0, group1_base + TMR_IER(2)); /* disable irq */
/* enable timer2 */
__raw_writel(0x4, group1_base + TMR_CER);
}
/*
* tmr_group0_config:
* group0_timer0: cpu0 local_timer, free running, 32K
* group0_timer1: cpu1 local_timer, free running, 32K
* group0_timer2: udelay timer, free running, 3.25M
*/
static void __init tmr_group0_config(void)
{
/* Select the configurable timer clock rate to be 3.25MHz */
__raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA988_TIMERS);
__raw_writel(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3),
APBC_PXA988_TIMERS);
__raw_writel(0x0, group0_base + TMR_CER); /* disable */
/* timer0:32K, timer1:32K, timer2:fast clock (3.25M) */
__raw_writel(TMR_CCR_CS_0(1) | TMR_CCR_CS_1(1) | TMR_CCR_CS_2(0),
group0_base + TMR_CCR);
/* set timer0/1/2 to free-running mode */
__raw_writel(0x7, group0_base + TMR_CMR);
__raw_writel(0x0, group0_base + TMR_PLCR(0)); /* free-running */
__raw_writel(0x7, group0_base + TMR_ICR(0)); /* clear status */
__raw_writel(0x0, group0_base + TMR_IER(0)); /* disable irq */
__raw_writel(0x0, group0_base + TMR_PLCR(1)); /* free-running */
__raw_writel(0x7, group0_base + TMR_ICR(1)); /* clear status */
__raw_writel(0x0, group0_base + TMR_IER(1)); /* disable irq */
#ifdef CONFIG_ARCH_PROVIDES_UDELAY
__raw_writel(0x0, group0_base + TMR_PLCR(2)); /* free-running */
__raw_writel(0x7, group0_base + TMR_ICR(2)); /* clear status */
__raw_writel(0x0, group0_base + TMR_IER(2)); /* disable irq */
/* enable timer2 */
__raw_writel(0x4, group0_base + TMR_CER);
#endif
}
/*
* tmr_group2_config:
* group2_timer0: global clockevent when kernel boot up, free running, 32K
* group2_timer1/2: reserved for trust zone, settings unchanged
* NOTICE:
* make sure trust zone won't change group2 config at the same time!
*/
static void __init tmr_group2_config(void)
{
u32 tmp;
/* trust zone will init APBC_PXA1088_TIMERS2 prior to kernel */
#ifndef CONFIG_TZ_HYPERVISOR
/* Select the configurable timer clock rate to be 3.25MHz */
__raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA1088_TIMERS2);
__raw_writel(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3),
APBC_PXA1088_TIMERS2);
#endif /* CONFIG_TZ_HYPERVISOR */
/* only disable timer0; timer1/2: unchanged */
tmp = __raw_readl(group2_base + TMR_CER);
__raw_writel(tmp & (~0x1), group2_base + TMR_CER);
/* timer0: 32K; timer1/2: unchanged */
tmp = __raw_readl(group2_base + TMR_CCR);
__raw_writel((tmp & (~0x3)) | TMR_CCR_CS_0(1), group2_base + TMR_CCR);
/* timer0: free-running mode; timer1/2: unchanged */
tmp = __raw_readl(group2_base + TMR_CMR);
__raw_writel(tmp | 0x1, group2_base + TMR_CMR);
__raw_writel(0x0, group2_base + TMR_PLCR(0)); /* free-running */
__raw_writel(0x7, group2_base + TMR_ICR(0)); /* clear status */
__raw_writel(0x0, group2_base + TMR_IER(0)); /* disable irq */
}
static void __init timer_config(void)
{
uint32_t ccr = __raw_readl(mmp_timer_base + TMR_CCR);
__raw_writel(0x0, mmp_timer_base + TMR_CER); /* disable */
ccr &= (cpu_is_mmp2()) ? (TMR_CCR_CS_0(0) | TMR_CCR_CS_1(0)) :
(TMR_CCR_CS_0(3) | TMR_CCR_CS_1(3));
__raw_writel(ccr, mmp_timer_base + TMR_CCR);
/* set timer 0 to periodic mode, and timer 1 to free-running mode */
__raw_writel(0x2, mmp_timer_base + TMR_CMR);
__raw_writel(0x1, mmp_timer_base + TMR_PLCR(0)); /* periodic */
__raw_writel(0x7, mmp_timer_base + TMR_ICR(0)); /* clear status */
__raw_writel(0x0, mmp_timer_base + TMR_IER(0));
__raw_writel(0x0, mmp_timer_base + TMR_PLCR(1)); /* free-running */
__raw_writel(0x7, mmp_timer_base + TMR_ICR(1)); /* clear status */
__raw_writel(0x0, mmp_timer_base + TMR_IER(1));
/* enable timer 1 counter */
__raw_writel(0x2, mmp_timer_base + TMR_CER);
}
static void __init timer_config(void)
{
uint32_t ccr = __raw_readl(TIMERS_VIRT_BASE + TMR_CCR);
__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_CER);
ccr &= (cpu_is_mmp2()) ? (TMR_CCR_CS_0(0) | TMR_CCR_CS_1(0)) :
(TMR_CCR_CS_0(3) | TMR_CCR_CS_1(3));
__raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
__raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CMR);
__raw_writel(0x1, TIMERS_VIRT_BASE + TMR_PLCR(0));
__raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(0));
__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(0));
__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_PLCR(1));
__raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(1));
__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(1));
__raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CER);
}
static void __init timer_config(void)
{
uint32_t ccr = __raw_readl(TIMERS_VIRT_BASE + TMR_CCR);
uint32_t cer = __raw_readl(TIMERS_VIRT_BASE + TMR_CER);
uint32_t cmr = __raw_readl(TIMERS_VIRT_BASE + TMR_CMR);
__raw_writel(cer & ~0x1, TIMERS_VIRT_BASE + TMR_CER); /* disable */
ccr &= (cpu_is_mmp2()) ? TMR_CCR_CS_0(0) : TMR_CCR_CS_0(3);
__raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
/* free-running mode */
__raw_writel(cmr | 0x01, TIMERS_VIRT_BASE + TMR_CMR);
__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_PLCR(0)); /* free-running */
__raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(0)); /* clear status */
__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(0));
/* enable timer counter */
__raw_writel(cer | 0x01, TIMERS_VIRT_BASE + TMR_CER);
}
