/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
*/
/* set up SMP */ if (!register_bmips_smp_ops()) { /* * BCM6328 might not have its second CPU enabled, while BCM3368 * and BCM6358 need special handling for their shared TLB, so * disable SMP for now.
*/ if (BCMCPU_IS_6328()) {
reg = bcm_readl(BCM_6328_OTP_BASE +
OTP_USER_BITS_6328_REG(3));
/* * The bootloader has set up the CPU1 reset vector at * 0xa000_0200. * This conflicts with the special interrupt vector (IV). * The bootloader has also set up CPU1 to respond to the wrong * IPI interrupt. * Here we will start up CPU1 in the background and ask it to * reconfigure itself then go back to sleep.
*/
memcpy((void *)0xa0000200, bmips_smp_movevec, 0x20);
__sync();
set_c0_cause(C_SW0);
cpumask_set_cpu(1, &bmips_booted_mask);
/* * FIXME: we really should have some sort of hazard barrier here
*/
}
}
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