summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/maple
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/maple')
-rw-r--r--arch/powerpc/platforms/maple/pci.c1
-rw-r--r--arch/powerpc/platforms/maple/setup.c110
-rw-r--r--arch/powerpc/platforms/maple/time.c23
3 files changed, 75 insertions, 59 deletions
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index f40451da037..7d4099a34f9 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -316,7 +316,6 @@ static int __init add_bridge(struct device_node *dev)
char* disp_name;
int *bus_range;
int primary = 1;
- struct property *of_prop;
DBG("Adding PCI host bridge %s\n", dev->full_name);
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 7ece8983a10..ec5c1e10c40 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -51,6 +51,7 @@
#include <asm/pgtable.h>
#include <asm/bitops.h>
#include <asm/io.h>
+#include <asm/kexec.h>
#include <asm/pci-bridge.h>
#include <asm/iommu.h>
#include <asm/machdep.h>
@@ -70,41 +71,60 @@
#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)
@@ -112,33 +132,29 @@ 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)
@@ -181,9 +197,6 @@ void __init maple_setup_arch(void)
*/
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
@@ -191,24 +204,10 @@ static void __init maple_init_early(void)
*/
hpte_init_native();
- /* Find the serial port */
- generic_find_legacy_serial_ports(&physport, &default_speed);
-
- DBG("phys port addr: %lx\n", (long)physport);
-
- if (physport) {
- void *comport;
- /* Map the uart for udbg. */
- comport = (void *)ioremap(physport, 16);
- udbg_init_uart(comport, default_speed);
-
- DBG("Hello World !\n");
- }
-
/* Setup interrupt mapping options */
ppc64_interrupt_controller = IC_OPEN_PIC;
- iommu_init_early_u3();
+ iommu_init_early_dart();
DBG(" <- maple_init_early\n");
}
@@ -270,7 +269,7 @@ static int __init maple_probe(int platform)
* 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();
return 1;
}
@@ -292,4 +291,9 @@ struct machdep_calls __initdata maple_md = {
.calibrate_decr = generic_calibrate_decr,
.progress = maple_progress,
.idle_loop = native_idle,
+#ifdef CONFIG_KEXEC
+ .machine_kexec = default_machine_kexec,
+ .machine_kexec_prepare = default_machine_kexec_prepare,
+ .machine_crash_shutdown = default_machine_crash_shutdown,
+#endif
};
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 15846cc938a..50bc4eb8535 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -168,11 +168,24 @@ unsigned long __init maple_get_boot_time(void)
struct rtc_time tm;
struct device_node *rtcs;
- rtcs = find_compatible_devices("rtc", "pnpPNP,b00");
- if (rtcs && rtcs->addrs) {
- maple_rtc_addr = rtcs->addrs[0].address;
- printk(KERN_INFO "Maple: Found RTC at 0x%x\n", maple_rtc_addr);
- } else {
+ rtcs = of_find_compatible_node(NULL, "rtc", "pnpPNP,b00");
+ if (rtcs) {
+ struct resource r;
+ if (of_address_to_resource(rtcs, 0, &r)) {
+ printk(KERN_EMERG "Maple: Unable to translate RTC"
+ " address\n");
+ goto bail;
+ }
+ if (!(r.flags & IORESOURCE_IO)) {
+ printk(KERN_EMERG "Maple: RTC address isn't PIO!\n");
+ goto bail;
+ }
+ maple_rtc_addr = r.start;
+ printk(KERN_INFO "Maple: Found RTC at IO 0x%x\n",
+ maple_rtc_addr);
+ }
+ bail:
+ if (maple_rtc_addr == 0) {
maple_rtc_addr = RTC_PORT(0); /* legacy address */
printk(KERN_INFO "Maple: No device node for RTC, assuming "
"legacy address (0x%x)\n", maple_rtc_addr);