Pull altix-fpga-reset into release branch

[sfrench/cifs-2.6.git] / arch / ppc64 / kernel / pSeries_setup.c

diff --git a/arch/ppc64/kernel/pSeries_setup.c b/arch/ppc64/kernel/pSeries_setup.c
index 5bec956e44a043775ffbd264807cebced14dfc77..3009701eb90d89b7dfe708ee499e97a6f61ab85d 100644 (file)
--- a/arch/ppc64/kernel/pSeries_setup.c
+++ b/arch/ppc64/kernel/pSeries_setup.c
@@ -37,7 +37,7 @@
 #include <linux/ioport.h>
 #include <linux/console.h>
 #include <linux/pci.h>
-#include <linux/version.h>
+#include <linux/utsname.h>
 #include <linux/adb.h>
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -60,7 +60,8 @@
 #include <asm/nvram.h>
 #include <asm/plpar_wrappers.h>
 #include <asm/xics.h>
-#include <asm/cputable.h>
+#include <asm/firmware.h>
+#include <asm/pmc.h>
 
 #include "i8259.h"
 #include "mpic.h"
@@ -187,6 +188,21 @@ static void __init pSeries_setup_mpic(void)
                                  " MPIC     ");
 }
 
+static void pseries_lpar_enable_pmcs(void)
+{
+       unsigned long set, reset;
+
+       power4_enable_pmcs();
+
+       set = 1UL << 63;
+       reset = 0;
+       plpar_hcall_norets(H_PERFMON, set, reset);
+
+       /* instruct hypervisor to maintain PMCs */
+       if (firmware_has_feature(FW_FEATURE_SPLPAR))
+               get_paca()->lppaca.pmcregs_in_use = 1;
+}
+
 static void __init pSeries_setup_arch(void)
 {
        /* Fixup ppc_md depending on the type of interrupt controller */
@@ -222,8 +238,8 @@ static void __init pSeries_setup_arch(void)
 
        /* Find and initialize PCI host bridges */
        init_pci_config_tokens();
-       eeh_init();
        find_and_init_phbs();
+       eeh_init();
 
 #ifdef CONFIG_DUMMY_CONSOLE
        conswitchp = &dummy_con;
@@ -231,11 +247,9 @@ static void __init pSeries_setup_arch(void)
 
        pSeries_nvram_init();
 
-       if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR)
-               vpa_init(boot_cpuid);
-
        /* Choose an idle loop */
-       if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) {
+       if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
+               vpa_init(boot_cpuid);
                if (get_paca()->lppaca.shared_proc) {
                        printk(KERN_INFO "Using shared processor idle loop\n");
                        ppc_md.idle_loop = pseries_shared_idle;
@@ -247,24 +261,29 @@ static void __init pSeries_setup_arch(void)
                printk(KERN_INFO "Using default idle loop\n");
                ppc_md.idle_loop = default_idle;
        }
+
+       if (systemcfg->platform & PLATFORM_LPAR)
+               ppc_md.enable_pmcs = pseries_lpar_enable_pmcs;
+       else
+               ppc_md.enable_pmcs = power4_enable_pmcs;
 }
 
 static int __init pSeries_init_panel(void)
 {
        /* Manually leave the kernel version on the panel. */
        ppc_md.progress("Linux ppc64\n", 0);
-       ppc_md.progress(UTS_RELEASE, 0);
+       ppc_md.progress(system_utsname.version, 0);
 
        return 0;
 }
 arch_initcall(pSeries_init_panel);
 
 
-/* Build up the firmware_features bitmask field
+/* Build up the ppc64_firmware_features bitmask field
  * using contents of device-tree/ibm,hypertas-functions.
  * Ultimately this functionality may be moved into prom.c prom_init().
  */
-void __init fw_feature_init(void)
+static void __init fw_feature_init(void)
 {
        struct device_node * dn;
        char * hypertas;
@@ -272,7 +291,7 @@ void __init fw_feature_init(void)
 
        DBG(" -> fw_feature_init()\n");
 
-       cur_cpu_spec->firmware_features = 0;
+       ppc64_firmware_features = 0;
        dn = of_find_node_by_path("/rtas");
        if (dn == NULL) {
                printk(KERN_ERR "WARNING ! Cannot find RTAS in device-tree !\n");
@@ -288,7 +307,7 @@ void __init fw_feature_init(void)
                                if ((firmware_features_table[i].name) &&
                                    (strcmp(firmware_features_table[i].name,hypertas))==0) {
                                        /* we have a match */
-                                       cur_cpu_spec->firmware_features |= 
+                                       ppc64_firmware_features |= 
                                                (firmware_features_table[i].val);
                                        break;
                                } 
@@ -302,7 +321,7 @@ void __init fw_feature_init(void)
        of_node_put(dn);
  no_rtas:
        printk(KERN_INFO "firmware_features = 0x%lx\n", 
-              cur_cpu_spec->firmware_features);
+              ppc64_firmware_features);
 
        DBG(" <- fw_feature_init()\n");
 }
@@ -378,9 +397,6 @@ static void __init pSeries_init_early(void)
                comport = (void *)ioremap(physport, 16);
                udbg_init_uart(comport, default_speed);
 
-               ppc_md.udbg_putc = udbg_putc;
-               ppc_md.udbg_getc = udbg_getc;
-               ppc_md.udbg_getc_poll = udbg_getc_poll;
                DBG("Hello World !\n");
        }
 
@@ -574,6 +590,13 @@ static int pseries_shared_idle(void)
        return 0;
 }
 
+static int pSeries_pci_probe_mode(struct pci_bus *bus)
+{
+       if (systemcfg->platform & PLATFORM_LPAR)
+               return PCI_PROBE_DEVTREE;
+       return PCI_PROBE_NORMAL;
+}
+
 struct machdep_calls __initdata pSeries_md = {
        .probe                  = pSeries_probe,
        .setup_arch             = pSeries_setup_arch,
@@ -581,6 +604,7 @@ struct machdep_calls __initdata pSeries_md = {
        .get_cpuinfo            = pSeries_get_cpuinfo,
        .log_error              = pSeries_log_error,
        .pcibios_fixup          = pSeries_final_fixup,
+       .pci_probe_mode         = pSeries_pci_probe_mode,
        .irq_bus_setup          = pSeries_irq_bus_setup,
        .restart                = rtas_restart,
        .power_off              = rtas_power_off,