Example #1
0
/******************************************************************************
 * Routine: s_init
 * Description: Does early system init of muxing and clocks.
 *              - Called path is with SRAM stack.
 *****************************************************************************/
void s_init(void)
{
    int in_sdram = is_running_in_sdram();

    watchdog_init();

    try_unlock_memory();

    /*
     * Right now flushing at low MPU speed.
     * Need to move after clock init
     */
    invalidate_dcache(get_device_type());

#ifdef CONFIG_L2_OFF
    l2_cache_disable();
#else
    l2_cache_enable();
#endif
    /*
     * Writing to AuxCR in U-boot using SMI for GP DEV
     * Currently SMI in Kernel on ES2 devices seems to have an issue
     * Once that is resolved, we can postpone this config to kernel
     */
    if (get_device_type() == GP_DEVICE)
        setup_auxcr();

    set_muxconf_regs();
    sdelay(100);

    prcm_init();

    per_clocks_enable();

#ifdef CONFIG_USB_EHCI_OMAP
    ehci_clocks_enable();
#endif

#ifdef CONFIG_SPL_BUILD
    preloader_console_init();

    timer_init();
#endif

    if (!in_sdram)
        mem_init();
}
Example #2
0
/**********************************************************
 * Routine: s_init
 * Description: Does early system init of muxing and clocks.
 * - Called path is with SRAM stack.
 **********************************************************/
void s_init(void)
{
	int i;
	int external_boot = 0;
	int in_sdram = running_in_sdram();

	watchdog_init();

	external_boot = (get_boot_type() == 0x1F) ? 1 : 0;
	/* Right now flushing at low MPU speed. Need to move after clock init */
	v7_flush_dcache_all(get_device_type(), external_boot);

	try_unlock_memory();

	if (cpu_is_3410()) {
		/* Lock down 6-ways in L2 cache so that effective size of L2 is 64K */
		__asm__ __volatile__("mov %0, #0xFC":"=r" (i));
		__asm__ __volatile__("mcr p15, 1, %0, c9, c0, 0":"=r" (i));
	}

#ifndef CONFIG_ICACHE_OFF
	icache_enable();
#endif

#ifdef CONFIG_L2_OFF
	l2cache_disable();
#else
	l2cache_enable();
#endif
	set_muxconf_regs();
	delay(100);
	
	/* Writing to AuxCR in U-boot using SMI for GP/EMU DEV */
	/* Currently SMI in Kernel on ES2 devices seems to have an isse
	 * Once that is resolved, we can postpone this config to kernel
	 */
	setup_auxcr(get_device_type(), external_boot);

	prcm_init();

	per_clocks_enable();
}
Example #3
0
/******************************************************************************
 * Routine: s_init
 * Description: Does early system init of muxing and clocks.
 *              - Called path is with SRAM stack.
 *****************************************************************************/
void s_init(void)
{
	int in_sdram = is_running_in_sdram();

	watchdog_init();

	try_unlock_memory();

	/*
	 * Right now flushing at low MPU speed.
	 * Need to move after clock init
	 */
	v7_flush_dcache_all(get_device_type());
#ifndef CONFIG_ICACHE_OFF
	icache_enable();
#endif

#ifdef CONFIG_L2_OFF
	l2cache_disable();
#else
	l2cache_enable();
#endif
	/*
	 * Writing to AuxCR in U-boot using SMI for GP DEV
	 * Currently SMI in Kernel on ES2 devices seems to have an issue
	 * Once that is resolved, we can postpone this config to kernel
	 */
	if (get_device_type() == GP_DEVICE)
		setup_auxcr();

	set_muxconf_regs();
	delay(100);

	prcm_init();

	per_clocks_enable();

	if (!in_sdram)
		sdrc_init();
}