forked from Minki/linux
919f9abb37
Move the nlm_cpu_ready[] array used by the cpu wakeup code to the boot area, along with rest of the boot parameter code. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5425/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/*
|
|
* Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
|
|
* reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the NetLogic
|
|
* license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/of_fdt.h>
|
|
|
|
#include <asm/idle.h>
|
|
#include <asm/reboot.h>
|
|
#include <asm/time.h>
|
|
#include <asm/bootinfo.h>
|
|
|
|
#include <asm/netlogic/haldefs.h>
|
|
#include <asm/netlogic/common.h>
|
|
|
|
#include <asm/netlogic/xlp-hal/iomap.h>
|
|
#include <asm/netlogic/xlp-hal/xlp.h>
|
|
#include <asm/netlogic/xlp-hal/sys.h>
|
|
|
|
uint64_t nlm_io_base;
|
|
struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
|
|
cpumask_t nlm_cpumask = CPU_MASK_CPU0;
|
|
unsigned int nlm_threads_per_core;
|
|
|
|
static void nlm_linux_exit(void)
|
|
{
|
|
uint64_t sysbase = nlm_get_node(0)->sysbase;
|
|
|
|
nlm_write_sys_reg(sysbase, SYS_CHIP_RESET, 1);
|
|
for ( ; ; )
|
|
cpu_wait();
|
|
}
|
|
|
|
void __init plat_mem_setup(void)
|
|
{
|
|
panic_timeout = 5;
|
|
_machine_restart = (void (*)(char *))nlm_linux_exit;
|
|
_machine_halt = nlm_linux_exit;
|
|
pm_power_off = nlm_linux_exit;
|
|
|
|
/* memory and bootargs from DT */
|
|
early_init_devtree(initial_boot_params);
|
|
}
|
|
|
|
const char *get_system_type(void)
|
|
{
|
|
return "Netlogic XLP Series";
|
|
}
|
|
|
|
void __init prom_free_prom_memory(void)
|
|
{
|
|
/* Nothing yet */
|
|
}
|
|
|
|
void xlp_mmu_init(void)
|
|
{
|
|
/* enable extended TLB and Large Fixed TLB */
|
|
write_c0_config6(read_c0_config6() | 0x24);
|
|
|
|
/* set page mask of Fixed TLB in config7 */
|
|
write_c0_config7(PM_DEFAULT_MASK >>
|
|
(13 + (ffz(PM_DEFAULT_MASK >> 13) / 2)));
|
|
}
|
|
|
|
void nlm_percpu_init(int hwcpuid)
|
|
{
|
|
}
|
|
|
|
void __init prom_init(void)
|
|
{
|
|
void *reset_vec;
|
|
|
|
nlm_io_base = CKSEG1ADDR(XLP_DEFAULT_IO_BASE);
|
|
nlm_init_boot_cpu();
|
|
xlp_mmu_init();
|
|
nlm_node_init(0);
|
|
xlp_dt_init((void *)(long)fw_arg0);
|
|
|
|
/* Update reset entry point with CPU init code */
|
|
reset_vec = (void *)CKSEG1ADDR(RESET_VEC_PHYS);
|
|
memset(reset_vec, 0, RESET_VEC_SIZE);
|
|
memcpy(reset_vec, (void *)nlm_reset_entry,
|
|
(nlm_reset_entry_end - nlm_reset_entry));
|
|
|
|
#ifdef CONFIG_SMP
|
|
cpumask_setall(&nlm_cpumask);
|
|
nlm_wakeup_secondary_cpus();
|
|
|
|
/* update TLB size after waking up threads */
|
|
current_cpu_data.tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1;
|
|
|
|
register_smp_ops(&nlm_smp_ops);
|
|
#endif
|
|
}
|