MIPS: Netlogic: Split XLP device tree code to dt.c
Create new flle arch/mips/netlogic/xlp/dt.c and move the device
tree related code there.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5422/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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 @@
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 @@
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 @@
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 @@
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);