diff options
Diffstat (limited to 'arch/sparc/kernel/devices.c')
| -rw-r--r-- | arch/sparc/kernel/devices.c | 79 |
1 files changed, 28 insertions, 51 deletions
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c index fcb0c049c3f..8d5d09f09ca 100644 --- a/arch/sparc/kernel/devices.c +++ b/arch/sparc/kernel/devices.c @@ -7,7 +7,6 @@ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/threads.h> #include <linux/string.h> @@ -16,13 +15,13 @@ #include <asm/page.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/smp.h> -#include <asm/system.h> #include <asm/cpudata.h> +#include <asm/cpu_type.h> +#include <asm/setup.h> -extern void cpu_probe(void); -extern void clock_stop_probe(void); /* tadpole.c */ -extern void sun4c_probe_memerr_reg(void); +#include "kernel.h" static char *cpu_mid_prop(void) { @@ -31,16 +30,10 @@ static char *cpu_mid_prop(void) return "mid"; } -static int check_cpu_node(int nd, int *cur_inst, - int (*compare)(int, int, void *), void *compare_arg, - int *prom_node, int *mid) +static int check_cpu_node(phandle nd, int *cur_inst, + int (*compare)(phandle, int, void *), void *compare_arg, + phandle *prom_node, int *mid) { - char node_str[128]; - - prom_getstring(nd, "device_type", node_str, sizeof(node_str)); - if (strcmp(node_str, "cpu")) - return -ENODEV; - if (!compare(nd, *cur_inst, compare_arg)) { if (prom_node) *prom_node = nd; @@ -57,31 +50,27 @@ static int check_cpu_node(int nd, int *cur_inst, return -ENODEV; } -static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg, - int *prom_node, int *mid) +static int __cpu_find_by(int (*compare)(phandle, int, void *), + void *compare_arg, phandle *prom_node, int *mid) { - int nd, cur_inst, err; + struct device_node *dp; + int cur_inst; - nd = prom_root_node; cur_inst = 0; - - err = check_cpu_node(nd, &cur_inst, compare, compare_arg, - prom_node, mid); - if (!err) - return 0; - - nd = prom_getchild(nd); - while ((nd = prom_getsibling(nd)) != 0) { - err = check_cpu_node(nd, &cur_inst, compare, compare_arg, - prom_node, mid); - if (!err) + 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(int nd, int instance, void *_arg) +static int cpu_instance_compare(phandle nd, int instance, void *_arg) { int desired_instance = (int) _arg; @@ -90,13 +79,13 @@ static int cpu_instance_compare(int nd, int instance, void *_arg) return -ENODEV; } -int cpu_find_by_instance(int instance, int *prom_node, int *mid) +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(int nd, int instance, void *_arg) +static int cpu_mid_compare(phandle nd, int instance, void *_arg) { int desired_mid = (int) _arg; int this_mid; @@ -108,7 +97,7 @@ static int cpu_mid_compare(int nd, int instance, void *_arg) return -ENODEV; } -int cpu_find_by_mid(int mid, int *prom_node) +int cpu_find_by_mid(int mid, phandle *prom_node) { return __cpu_find_by(cpu_mid_compare, (void *)mid, prom_node, NULL); @@ -118,18 +107,19 @@ int cpu_find_by_mid(int mid, int *prom_node) * 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(int prom_node) +int cpu_get_hwmid(phandle prom_node) { return prom_getintdefault(prom_node, cpu_mid_prop(), -ENODEV); } void __init device_scan(void) { - prom_printf("Booting Linux...\n"); + printk(KERN_NOTICE "Booting Linux...\n"); #ifndef CONFIG_SMP { - int err, cpu_node; + 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 ;-) */ @@ -142,19 +132,6 @@ void __init device_scan(void) } #endif /* !CONFIG_SMP */ - cpu_probe(); -#ifdef CONFIG_SUN_AUXIO - { - extern void auxio_probe(void); - extern void auxio_power_probe(void); - auxio_probe(); - auxio_power_probe(); - } -#endif - clock_stop_probe(); - - if (ARCH_SUN4C_SUN4) - sun4c_probe_memerr_reg(); - - return; + auxio_probe(); + auxio_power_probe(); } |