MIPS: Netlogic: Add XLP platform files for XLP SoC

- Update common files to support XLP.
- Add arch/mips/include/asm/netlogic/xlp-hal for register definitions
  and access macros
- Add arch/mips/netlogic/xlp/ for XLP specific files.

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2967/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
new file mode 100644
index 000000000000..f40a0e73580f
--- /dev/null
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -0,0 +1,101 @@
+/*
+ * 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 <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/bootinfo.h>
+
+#include <linux/of_fdt.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>
+
+unsigned long nlm_common_ebase = 0x0;
+
+static void nlm_linux_exit(void)
+{
+        nlm_write_sys_reg(nlm_sys_base, 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;
+}
+
+const char *get_system_type(void)
+{
+        return "Netlogic XLP Series";
+}
+
+void __init prom_free_prom_memory(void)
+{
+        /* Nothing yet */
+}
+
+void xlp_mmu_init(void)
+{
+        write_c0_config6(read_c0_config6() | 0x24);
+        current_cpu_data.tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1;
+        write_c0_config7(PM_DEFAULT_MASK >>
+                (13 + (ffz(PM_DEFAULT_MASK >> 13) / 2)));
+}
+
+void __init prom_init(void)
+{
+        void *fdtp;
+
+        fdtp = (void *)(long)fw_arg0;
+        xlp_mmu_init();
+        nlm_hal_init();
+        early_init_devtree(fdtp);
+
+        nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1));
+#ifdef CONFIG_SMP
+        nlm_wakeup_secondary_cpus(0xffffffff);
+        register_smp_ops(&nlm_smp_ops);
+#endif
+}