int board_early_init_f(void)
{
if (!clock_early_init_done())
clock_early_init();
#if defined(CONFIG_TEGRA_DISCONNECT_UDC_ON_BOOT)
#define USBCMD_FS2 (1 << 15)
{
struct usb_ctlr *usbctlr = (struct usb_ctlr *)0x7d000000;
writel(USBCMD_FS2, &usbctlr->usb_cmd);
}
#endif
/* Do any special system timer/TSC setup */
#if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE)
if (!tegra_cpu_is_non_secure())
#endif
arch_timer_init();
pinmux_init();
board_init_uart_f();
/* Initialize periph GPIOs */
gpio_early_init();
gpio_early_init_uart();
return 0;
}
static void __init arch_timer_of_init(struct device_node *np)
{
int i;
if (arch_timers_present & ARCH_CP15_TIMER) {
pr_warn("arch_timer: multiple nodes in dt, skipping\n");
return;
}
arch_timers_present |= ARCH_CP15_TIMER;
for (i = PHYS_SECURE_PPI; i < MAX_TIMER_PPI; i++)
arch_timer_ppi[i] = irq_of_parse_and_map(np, i);
arch_timer_detect_rate(NULL, np);
arch_timer_c3stop = !of_property_read_bool(np, "always-on");
/*
* If we cannot rely on firmware initializing the timer registers then
* we should use the physical timers instead.
*/
if (IS_ENABLED(CONFIG_ARM) &&
of_property_read_bool(np, "arm,cpu-registers-not-fw-configured"))
arch_timer_use_virtual = false;
arch_timer_init();
}
int __init arch_timer_of_register(void)
{
int ret;
ret = arch_timer_init();
if (ret)
return ret;
arch_timer_delay_timer_register();
return 0;
}
/*! Initialize time management subsystem */
void k_time_init ()
{
/* alarm list is empty */
list_init ( &kalarms );
arch_timer_init ();
arch_get_min_interval ( &threshold );
threshold.nsec /= 2;
if ( threshold.sec % 2 )
threshold.nsec += 1000000000L / 2; /* + half second */
threshold.sec /= 2;
}
/*! Initialize time management subsystem */
int k_time_init ()
{
arch_timer_init ();
/* timer list is empty */
list_init ( &ktimers );
arch_get_min_interval ( &threshold );
threshold.tv_nsec /= 2;
if ( threshold.tv_sec % 2 )
threshold.tv_nsec += 500000000L; /* + half second */
threshold.tv_sec /= 2;
return EXIT_SUCCESS;
}
static int __init arch_timer_of_init(struct device_node *np)
{
int i;
if (arch_timers_present & ARCH_CP15_TIMER) {
pr_warn("arch_timer: multiple nodes in dt, skipping\n");
return 0;
}
arch_timers_present |= ARCH_CP15_TIMER;
for (i = PHYS_SECURE_PPI; i < MAX_TIMER_PPI; i++)
arch_timer_ppi[i] = irq_of_parse_and_map(np, i);
arch_timer_detect_rate(NULL, np);
arch_timer_c3stop = !of_property_read_bool(np, "always-on");
#ifdef CONFIG_ARM_ARCH_TIMER_OOL_WORKAROUND
for (i = 0; i < ARRAY_SIZE(ool_workarounds); i++) {
if (of_property_read_bool(np, ool_workarounds[i].id)) {
timer_unstable_counter_workaround = &ool_workarounds[i];
static_branch_enable(&arch_timer_read_ool_enabled);
pr_info("arch_timer: Enabling workaround for %s\n",
timer_unstable_counter_workaround->id);
break;
}
}
#endif
/*
* If we cannot rely on firmware initializing the timer registers then
* we should use the physical timers instead.
*/
if (IS_ENABLED(CONFIG_ARM) &&
of_property_read_bool(np, "arm,cpu-registers-not-fw-configured"))
arch_timer_uses_ppi = PHYS_SECURE_PPI;
/* On some systems, the counter stops ticking when in suspend. */
arch_counter_suspend_stop = of_property_read_bool(np,
"arm,no-tick-in-suspend");
return arch_timer_init();
}
static int __init arch_timer_of_init(struct device_node *np)
{
int i;
if (arch_timers_present & ARCH_CP15_TIMER) {
pr_warn("arch_timer: multiple nodes in dt, skipping\n");
return 0;
}
arch_timers_present |= ARCH_CP15_TIMER;
for (i = PHYS_SECURE_PPI; i < MAX_TIMER_PPI; i++)
arch_timer_ppi[i] = irq_of_parse_and_map(np, i);
arch_timer_detect_rate(NULL, np);
arch_timer_c3stop = !of_property_read_bool(np, "always-on");
#ifdef CONFIG_FSL_ERRATUM_A008585
if (fsl_a008585_enable < 0)
fsl_a008585_enable = of_property_read_bool(np, "fsl,erratum-a008585");
if (fsl_a008585_enable) {
static_branch_enable(&arch_timer_read_ool_enabled);
pr_info("Enabling workaround for FSL erratum A-008585\n");
}
#endif
/*
* If we cannot rely on firmware initializing the timer registers then
* we should use the physical timers instead.
*/
if (IS_ENABLED(CONFIG_ARM) &&
of_property_read_bool(np, "arm,cpu-registers-not-fw-configured"))
arch_timer_uses_ppi = PHYS_SECURE_PPI;
/* On some systems, the counter stops ticking when in suspend. */
arch_counter_suspend_stop = of_property_read_bool(np,
"arm,no-tick-in-suspend");
return arch_timer_init();
}
/*! Initialize time management subsystem */
int k_time_init ()
{
arch_timer_init ();
return EXIT_SUCCESS;
}
void initialize_timer(void)
{
arch_timer_init();
}