#define DEBUG
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/sched.h>
#define DBG(fmt...)
#endif
-extern void generic_find_legacy_serial_ports(u64 *physport,
- unsigned int *default_speed);
+static unsigned long maple_find_nvram_base(void)
+{
+ struct device_node *rtcs;
+ unsigned long result = 0;
+
+ /* find NVRAM device */
+ rtcs = of_find_compatible_node(NULL, "nvram", "AMD8111");
+ if (rtcs) {
+ struct resource r;
+ if (of_address_to_resource(rtcs, 0, &r)) {
+ printk(KERN_EMERG "Maple: Unable to translate NVRAM"
+ " address\n");
+ goto bail;
+ }
+ if (!(r.flags & IORESOURCE_IO)) {
+ printk(KERN_EMERG "Maple: NVRAM address isn't PIO!\n");
+ goto bail;
+ }
+ result = r.start;
+ } else
+ printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
+ bail:
+ of_node_put(rtcs);
+ return result;
+}
static void maple_restart(char *cmd)
{
unsigned int maple_nvram_base;
unsigned int maple_nvram_offset;
unsigned int maple_nvram_command;
- struct device_node *rtcs;
+ struct device_node *sp;
- /* find NVRAM device */
- rtcs = find_compatible_devices("nvram", "AMD8111");
- if (rtcs && rtcs->addrs) {
- maple_nvram_base = rtcs->addrs[0].address;
- } else {
- printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
- printk(KERN_EMERG "Maple: Manual Restart Required\n");
- return;
- }
+ maple_nvram_base = maple_find_nvram_base();
+ if (maple_nvram_base == 0)
+ goto fail;
/* find service processor device */
- rtcs = find_devices("service-processor");
- if (!rtcs) {
+ sp = of_find_node_by_name(NULL, "service-processor");
+ if (!sp) {
printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
- printk(KERN_EMERG "Maple: Manual Restart Required\n");
- return;
+ goto fail;
}
- maple_nvram_offset = *(unsigned int*) get_property(rtcs,
+ maple_nvram_offset = *(unsigned int*) get_property(sp,
"restart-addr", NULL);
- maple_nvram_command = *(unsigned int*) get_property(rtcs,
+ maple_nvram_command = *(unsigned int*) get_property(sp,
"restart-value", NULL);
+ of_node_put(sp);
/* send command */
outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
for (;;) ;
+ fail:
+ printk(KERN_EMERG "Maple: Manual Restart Required\n");
}
static void maple_power_off(void)
unsigned int maple_nvram_base;
unsigned int maple_nvram_offset;
unsigned int maple_nvram_command;
- struct device_node *rtcs;
+ struct device_node *sp;
- /* find NVRAM device */
- rtcs = find_compatible_devices("nvram", "AMD8111");
- if (rtcs && rtcs->addrs) {
- maple_nvram_base = rtcs->addrs[0].address;
- } else {
- printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
- printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
- return;
- }
+ maple_nvram_base = maple_find_nvram_base();
+ if (maple_nvram_base == 0)
+ goto fail;
/* find service processor device */
- rtcs = find_devices("service-processor");
- if (!rtcs) {
+ sp = of_find_node_by_name(NULL, "service-processor");
+ if (!sp) {
printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
- printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
- return;
+ goto fail;
}
- maple_nvram_offset = *(unsigned int*) get_property(rtcs,
+ maple_nvram_offset = *(unsigned int*) get_property(sp,
"power-off-addr", NULL);
- maple_nvram_command = *(unsigned int*) get_property(rtcs,
+ maple_nvram_command = *(unsigned int*) get_property(sp,
"power-off-value", NULL);
+ of_node_put(sp);
/* send command */
outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
for (;;) ;
+ fail:
+ printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
}
static void maple_halt(void)
conswitchp = &dummy_con;
#endif
- printk(KERN_INFO "Using native/NAP idle loop\n");
+ printk(KERN_DEBUG "Using native/NAP idle loop\n");
}
/*
*/
static void __init maple_init_early(void)
{
- unsigned int default_speed;
- u64 physport;
-
DBG(" -> maple_init_early\n");
- /* Initialize hash table, from now on, we can take hash faults
- * and call ioremap
- */
- hpte_init_native();
-
/* Setup interrupt mapping options */
ppc64_interrupt_controller = IC_OPEN_PIC;
- iommu_init_early_u3();
+ iommu_init_early_dart();
DBG(" <- maple_init_early\n");
}
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
-static int __init maple_probe(int platform)
+static int __init maple_probe(void)
{
- if (platform != PLATFORM_MAPLE)
+ unsigned long root = of_get_flat_dt_root();
+ if (!of_flat_dt_is_compatible(root, "Momentum,Maple"))
return 0;
/*
* On U3, the DART (iommu) must be allocated now since it
* occupies having to be broken up so the DART itself is not
* part of the cacheable linar mapping
*/
- alloc_u3_dart_table();
+ alloc_dart_table();
+
+ hpte_init_native();
return 1;
}
-struct machdep_calls __initdata maple_md = {
+define_machine(maple_md) {
+ .name = "Maple",
.probe = maple_probe,
.setup_arch = maple_setup_arch,
.init_early = maple_init_early,
.get_rtc_time = maple_get_rtc_time,
.calibrate_decr = generic_calibrate_decr,
.progress = maple_progress,
- .idle_loop = native_idle,
+ .power_save = power4_idle,
#ifdef CONFIG_KEXEC
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,