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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/sparc/kernel/devices.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/kernel/devices.c')
-rw-r--r--ANDROID_3.4.5/arch/sparc/kernel/devices.c145
1 files changed, 0 insertions, 145 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/kernel/devices.c b/ANDROID_3.4.5/arch/sparc/kernel/devices.c
deleted file mode 100644
index 6b2f56a6..00000000
--- a/ANDROID_3.4.5/arch/sparc/kernel/devices.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/* devices.c: Initial scan of the prom device tree for important
- * Sparc device nodes which we need to find.
- *
- * This is based on the sparc64 version, but sun4m doesn't always use
- * the hardware MIDs, so be careful.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/threads.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-
-#include <asm/page.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/smp.h>
-#include <asm/cpudata.h>
-#include <asm/cpu_type.h>
-
-extern void clock_stop_probe(void); /* tadpole.c */
-extern void sun4c_probe_memerr_reg(void);
-
-static char *cpu_mid_prop(void)
-{
- if (sparc_cpu_model == sun4d)
- return "cpu-id";
- return "mid";
-}
-
-static int check_cpu_node(phandle nd, int *cur_inst,
- int (*compare)(phandle, int, void *), void *compare_arg,
- phandle *prom_node, int *mid)
-{
- if (!compare(nd, *cur_inst, compare_arg)) {
- if (prom_node)
- *prom_node = nd;
- if (mid) {
- *mid = prom_getintdefault(nd, cpu_mid_prop(), 0);
- if (sparc_cpu_model == sun4m)
- *mid &= 3;
- }
- return 0;
- }
-
- (*cur_inst)++;
-
- return -ENODEV;
-}
-
-static int __cpu_find_by(int (*compare)(phandle, int, void *),
- void *compare_arg, phandle *prom_node, int *mid)
-{
- struct device_node *dp;
- int cur_inst;
-
- cur_inst = 0;
- for_each_node_by_type(dp, "cpu") {
- int err = check_cpu_node(dp->phandle, &cur_inst,
- compare, compare_arg,
- prom_node, mid);
- if (!err) {
- of_node_put(dp);
- return 0;
- }
- }
-
- return -ENODEV;
-}
-
-static int cpu_instance_compare(phandle nd, int instance, void *_arg)
-{
- int desired_instance = (int) _arg;
-
- if (instance == desired_instance)
- return 0;
- return -ENODEV;
-}
-
-int cpu_find_by_instance(int instance, phandle *prom_node, int *mid)
-{
- return __cpu_find_by(cpu_instance_compare, (void *)instance,
- prom_node, mid);
-}
-
-static int cpu_mid_compare(phandle nd, int instance, void *_arg)
-{
- int desired_mid = (int) _arg;
- int this_mid;
-
- this_mid = prom_getintdefault(nd, cpu_mid_prop(), 0);
- if (this_mid == desired_mid
- || (sparc_cpu_model == sun4m && (this_mid & 3) == desired_mid))
- return 0;
- return -ENODEV;
-}
-
-int cpu_find_by_mid(int mid, phandle *prom_node)
-{
- return __cpu_find_by(cpu_mid_compare, (void *)mid,
- prom_node, NULL);
-}
-
-/* sun4m uses truncated mids since we base the cpuid on the ttable/irqset
- * address (0-3). This gives us the true hardware mid, which might have
- * some other bits set. On 4d hardware and software mids are the same.
- */
-int cpu_get_hwmid(phandle prom_node)
-{
- return prom_getintdefault(prom_node, cpu_mid_prop(), -ENODEV);
-}
-
-void __init device_scan(void)
-{
- printk(KERN_NOTICE "Booting Linux...\n");
-
-#ifndef CONFIG_SMP
- {
- phandle cpu_node;
- int err;
- err = cpu_find_by_instance(0, &cpu_node, NULL);
- if (err) {
- /* Probably a sun4e, Sun is trying to trick us ;-) */
- prom_printf("No cpu nodes, cannot continue\n");
- prom_halt();
- }
- cpu_data(0).clock_tick = prom_getintdefault(cpu_node,
- "clock-frequency",
- 0);
- }
-#endif /* !CONFIG_SMP */
-
- {
- extern void auxio_probe(void);
- extern void auxio_power_probe(void);
- auxio_probe();
- auxio_power_probe();
- }
- clock_stop_probe();
-
- if (ARCH_SUN4C)
- sun4c_probe_memerr_reg();
-}