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Diffstat (limited to 'arch/mips/netlogic/xlp/setup.c')
| -rw-r--r-- | arch/mips/netlogic/xlp/setup.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c deleted file mode 100644 index 1a0fc5b62ba4..000000000000 --- a/arch/mips/netlogic/xlp/setup.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * 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 <linux/memblock.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; - - if (cpu_is_xlp9xx()) - nlm_write_sys_reg(sysbase, SYS_9XX_CHIP_RESET, 1); - else - nlm_write_sys_reg(sysbase, SYS_CHIP_RESET, 1); - for ( ; ; ) - cpu_wait(); -} - -static void nlm_fixup_mem(void) -{ - const int pref_backup = 512; - struct memblock_region *mem; - - for_each_memblock(memory, mem) { - memblock_remove(mem->base + mem->size - pref_backup, - pref_backup); - } -} - -static void __init xlp_init_mem_from_bars(void) -{ - uint64_t map[16]; - int i, n; - - n = nlm_get_dram_map(-1, map, ARRAY_SIZE(map)); /* -1 : all nodes */ - for (i = 0; i < n; i += 2) { - /* exclude 0x1000_0000-0x2000_0000, u-boot device */ - if (map[i] <= 0x10000000 && map[i+1] > 0x10000000) - map[i+1] = 0x10000000; - if (map[i] > 0x10000000 && map[i] < 0x20000000) - map[i] = 0x20000000; - - add_memory_region(map[i], map[i+1] - map[i], BOOT_MEM_RAM); - } -} - -void __init plat_mem_setup(void) -{ -#ifdef CONFIG_SMP - 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 - _machine_restart = (void (*)(char *))nlm_linux_exit; - _machine_halt = nlm_linux_exit; - pm_power_off = nlm_linux_exit; - - /* memory and bootargs from DT */ - xlp_early_init_devtree(); - - if (memblock_end_of_DRAM() == 0) { - pr_info("Using DRAM BARs for memory map.\n"); - xlp_init_mem_from_bars(); - } - /* Calculate and setup wired entries for mapped kernel */ - nlm_fixup_mem(); -} - -const char *get_system_type(void) -{ - switch (read_c0_prid() & PRID_IMP_MASK) { - case PRID_IMP_NETLOGIC_XLP9XX: - case PRID_IMP_NETLOGIC_XLP5XX: - case PRID_IMP_NETLOGIC_XLP2XX: - return "Broadcom XLPII Series"; - default: - return "Netlogic XLP Series"; - } -} - -void __init prom_free_prom_memory(void) -{ - /* Nothing yet */ -} - -void xlp_mmu_init(void) -{ - u32 conf4; - - if (cpu_is_xlpii()) { - /* XLPII series has extended pagesize in config 4 */ - conf4 = read_c0_config4() & ~0x1f00u; - write_c0_config4(conf4 | ((PAGE_SHIFT - 10) / 2 << 8)); - } else { - /* enable extended TLB and Large Fixed TLB */ - write_c0_config6(read_c0_config6() | 0x24); - - /* set page mask of extended 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); -#endif -} |