Initial file dump from open source releaseHEADmaster

1 files changed, 180 insertions, 0 deletions

diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
new file mode 100644
index 00000000..eaa99d28
--- /dev/null
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -0,0 +1,180 @@
+/*
+ * 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/serial_8250.h>
+#include <linux/pm.h>
+#include <linux/bootmem.h>
+
+#include <asm/idle.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/bootinfo.h>
+
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
+#include <linux/of_device.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;
+extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_start[];
+
+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)
+{
+	void *fdtp;
+
+	panic_timeout	= 5;
+	_machine_restart = (void (*)(char *))nlm_linux_exit;
+	_machine_halt	= nlm_linux_exit;
+	pm_power_off	= nlm_linux_exit;
+
+	/*
+	 * If no FDT pointer is passed in, use the built-in FDT.
+	 * device_tree_init() does not handle CKSEG0 pointers in
+	 * 64-bit, so convert pointer.
+	 */
+	fdtp = (void *)(long)fw_arg0;
+	if (!fdtp) {
+		switch (current_cpu_data.processor_id & 0xff00) {
+#ifdef CONFIG_DT_XLP_SVP
+		case PRID_IMP_NETLOGIC_XLP3XX:
+			fdtp = __dtb_xlp_svp_begin;
+			break;
+#endif
+#ifdef CONFIG_DT_XLP_EVP
+		case PRID_IMP_NETLOGIC_XLP8XX:
+			fdtp = __dtb_xlp_evp_begin;
+			break;
+#endif
+		default:
+			/* Pick a built-in if any, and hope for the best */
+			fdtp = __dtb_start;
+			break;
+		}
+	}
+	fdtp = phys_to_virt(__pa(fdtp));
+	early_init_devtree(fdtp);
+}
+
+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)
+{
+	nlm_io_base = CKSEG1ADDR(XLP_DEFAULT_IO_BASE);
+	xlp_mmu_init();
+	nlm_node_init(0);
+
+#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
+}
+
+void __init device_tree_init(void)
+{
+	unsigned long base, size;
+
+	if (!initial_boot_params)
+		return;
+
+	base = virt_to_phys((void *)initial_boot_params);
+	size = be32_to_cpu(initial_boot_params->totalsize);
+
+	/* Before we do anything, lets reserve the dt blob */
+	reserve_bootmem(base, size, BOOTMEM_DEFAULT);
+
+	unflatten_device_tree();
+
+	/* free the space reserved for the dt blob */
+	free_bootmem(base, size);
+}
+
+static struct of_device_id __initdata xlp_ids[] = {
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+int __init xlp8xx_ds_publish_devices(void)
+{
+	if (!of_have_populated_dt())
+		return 0;
+	return of_platform_bus_probe(NULL, xlp_ids, NULL);
+}
+
+device_initcall(xlp8xx_ds_publish_devices);