Create new flle arch/mips/netlogic/xlp/dt.c and move the device
tree related code there.
Signed-off-by: Jayachandran C <jchandra@xxxxxxxxxxxx>
---
arch/mips/include/asm/netlogic/xlp-hal/xlp.h | 1 +
arch/mips/netlogic/xlp/Makefile | 2 +-
arch/mips/netlogic/xlp/dt.c | 99 ++++++++++++++++++++++++++
arch/mips/netlogic/xlp/setup.c | 73 ++-----------------
4 files changed, 105 insertions(+), 70 deletions(-)
create mode 100644 arch/mips/netlogic/xlp/dt.c
diff --git a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h
index 7e47209..f4ea0f7 100644
--- a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h
+++ b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h
@@ -59,6 +59,7 @@ void xlp_wakeup_secondary_cpus(void);
void xlp_mmu_init(void);
void nlm_hal_init(void);
+void *xlp_dt_init(void *fdtp);
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_NLM_XLP_H */
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile
index e8dd14c..85ac4a8 100644
--- a/arch/mips/netlogic/xlp/Makefile
+++ b/arch/mips/netlogic/xlp/Makefile
@@ -1,3 +1,3 @@
-obj-y += setup.o nlm_hal.o cop2-ex.o
+obj-y += setup.o nlm_hal.o cop2-ex.o dt.o
obj-$(CONFIG_SMP) += wakeup.o
obj-$(CONFIG_USB) += usb-init.o
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c
new file mode 100644
index 0000000..d1eb6bb
--- /dev/null
+++ b/arch/mips/netlogic/xlp/dt.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2003-2013 Broadcom Corporation.
+ * 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 Broadcom
+ * 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 BROADCOM ``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 BROADCOM 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/bootmem.h>
+
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
+#include <linux/of_device.h>
+
+extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_start[];
+
+void __init *xlp_dt_init(void *fdtp)
+{
+ 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;
+ }
+ }
+ initial_boot_params = fdtp;
+ return fdtp;
+}
+
+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);
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
index eaa99d2..7b66949 100644
--- a/arch/mips/netlogic/xlp/setup.c
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -33,19 +33,13 @@
*/
#include <linux/kernel.h>
-#include <linux/serial_8250.h>
-#include <linux/pm.h>
-#include <linux/bootmem.h>
+#include <linux/of_fdt.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>
@@ -57,7 +51,6 @@ 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)
{
@@ -70,39 +63,13 @@ static void nlm_linux_exit(void)
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);
+ /* memory and bootargs from DT */
+ early_init_devtree(initial_boot_params);
}
const char *get_system_type(void)
@@ -134,6 +101,7 @@ void __init prom_init(void)
nlm_io_base = CKSEG1ADDR(XLP_DEFAULT_IO_BASE);
xlp_mmu_init();
nlm_node_init(0);
+ xlp_dt_init((void *)(long)fw_arg0);
#ifdef CONFIG_SMP
cpumask_setall(&nlm_cpumask);
@@ -145,36 +113,3 @@ void __init prom_init(void)
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);
--
1.7.9.5
