* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
+
+#undef DEBUG
+
#include <linux/config.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/reboot.h>
#include <linux/delay.h>
#include <linux/initrd.h>
+#include <linux/platform_device.h>
#include <linux/ide.h>
#include <linux/seq_file.h>
#include <linux/ioport.h>
#include <asm/time.h>
#include <asm/cputable.h>
#include <asm/sections.h>
+#include <asm/firmware.h>
#include <asm/btext.h>
#include <asm/nvram.h>
#include <asm/setup.h>
#include "setup.h"
-#undef DEBUG
-
#ifdef DEBUG
#include <asm/udbg.h>
#define DBG(fmt...) udbg_printf(fmt)
#define DBG(fmt...)
#endif
-#ifdef CONFIG_PPC_MULTIPLATFORM
-int _machine = 0;
-EXPORT_SYMBOL(_machine);
-#endif
+/* The main machine-dep calls structure
+ */
+struct machdep_calls ppc_md;
+EXPORT_SYMBOL(ppc_md);
+struct machdep_calls *machine_id;
+EXPORT_SYMBOL(machine_id);
unsigned long klimit = (unsigned long) _end;
/* also used by kexec */
void machine_shutdown(void)
{
- if (ppc_md.nvram_sync)
- ppc_md.nvram_sync();
+ if (ppc_md.machine_shutdown)
+ ppc_md.machine_shutdown();
}
void machine_restart(char *cmd)
{
machine_shutdown();
- ppc_md.restart(cmd);
+ if (ppc_md.restart)
+ ppc_md.restart(cmd);
#ifdef CONFIG_SMP
smp_send_stop();
#endif
void machine_power_off(void)
{
machine_shutdown();
- ppc_md.power_off();
+ if (ppc_md.power_off)
+ ppc_md.power_off();
#ifdef CONFIG_SMP
smp_send_stop();
#endif
void machine_halt(void)
{
machine_shutdown();
- ppc_md.halt();
+ if (ppc_md.halt)
+ ppc_md.halt();
#ifdef CONFIG_SMP
smp_send_stop();
#endif
#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
unsigned long bogosum = 0;
int i;
- for (i = 0; i < NR_CPUS; ++i)
- if (cpu_online(i))
- bogosum += loops_per_jiffy;
+ for_each_online_cpu(i)
+ bogosum += loops_per_jiffy;
seq_printf(m, "total bogomips\t: %lu.%02lu\n",
bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
#endif /* CONFIG_SMP && CONFIG_PPC32 */
seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
-
+ if (ppc_md.name)
+ seq_printf(m, "platform\t: %s\n", ppc_md.name);
if (ppc_md.show_cpuinfo != NULL)
ppc_md.show_cpuinfo(m);
.show = show_cpuinfo,
};
-#ifdef CONFIG_PPC_MULTIPLATFORM
-static int __init set_preferred_console(void)
-{
- struct device_node *prom_stdout = NULL;
- char *name;
- u32 *spd;
- int offset = 0;
-
- DBG(" -> set_preferred_console()\n");
-
- /* The user has requested a console so this is already set up. */
- if (strstr(saved_command_line, "console=")) {
- DBG(" console was specified !\n");
- return -EBUSY;
- }
-
- if (!of_chosen) {
- DBG(" of_chosen is NULL !\n");
- return -ENODEV;
- }
- /* We are getting a weird phandle from OF ... */
- /* ... So use the full path instead */
- name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
- if (name == NULL) {
- DBG(" no linux,stdout-path !\n");
- return -ENODEV;
- }
- prom_stdout = of_find_node_by_path(name);
- if (!prom_stdout) {
- DBG(" can't find stdout package %s !\n", name);
- return -ENODEV;
- }
- DBG("stdout is %s\n", prom_stdout->full_name);
-
- name = (char *)get_property(prom_stdout, "name", NULL);
- if (!name) {
- DBG(" stdout package has no name !\n");
- goto not_found;
- }
- spd = (u32 *)get_property(prom_stdout, "current-speed", NULL);
-
- if (0)
- ;
-#ifdef CONFIG_SERIAL_8250_CONSOLE
- else if (strcmp(name, "serial") == 0) {
- int i;
- u32 *reg = (u32 *)get_property(prom_stdout, "reg", &i);
- if (i > 8) {
- switch (reg[1]) {
- case 0x3f8:
- offset = 0;
- break;
- case 0x2f8:
- offset = 1;
- break;
- case 0x898:
- offset = 2;
- break;
- case 0x890:
- offset = 3;
- break;
- default:
- /* We dont recognise the serial port */
- goto not_found;
- }
- }
- }
-#endif /* CONFIG_SERIAL_8250_CONSOLE */
-#ifdef CONFIG_PPC_PSERIES
- else if (strcmp(name, "vty") == 0) {
- u32 *reg = (u32 *)get_property(prom_stdout, "reg", NULL);
- char *compat = (char *)get_property(prom_stdout, "compatible", NULL);
-
- if (reg && compat && (strcmp(compat, "hvterm-protocol") == 0)) {
- /* Host Virtual Serial Interface */
- switch (reg[0]) {
- case 0x30000000:
- offset = 0;
- break;
- case 0x30000001:
- offset = 1;
- break;
- default:
- goto not_found;
- }
- of_node_put(prom_stdout);
- DBG("Found hvsi console at offset %d\n", offset);
- return add_preferred_console("hvsi", offset, NULL);
- } else {
- /* pSeries LPAR virtual console */
- of_node_put(prom_stdout);
- DBG("Found hvc console\n");
- return add_preferred_console("hvc", 0, NULL);
- }
- }
-#endif /* CONFIG_PPC_PSERIES */
-#ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
- else if (strcmp(name, "ch-a") == 0)
- offset = 0;
- else if (strcmp(name, "ch-b") == 0)
- offset = 1;
-#endif /* CONFIG_SERIAL_PMACZILOG_CONSOLE */
- else
- goto not_found;
- of_node_put(prom_stdout);
-
- DBG("Found serial console at ttyS%d\n", offset);
-
- if (spd) {
- static char __initdata opt[16];
- sprintf(opt, "%d", *spd);
- return add_preferred_console("ttyS", offset, opt);
- } else
- return add_preferred_console("ttyS", offset, NULL);
-
- not_found:
- DBG("No preferred console found !\n");
- of_node_put(prom_stdout);
- return -ENODEV;
-}
-console_initcall(set_preferred_console);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
void __init check_for_initrd(void)
{
#ifdef CONFIG_BLK_DEV_INITRD
/* If we were passed an initrd, set the ROOT_DEV properly if the values
* look sensible. If not, clear initrd reference.
*/
- if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE &&
+ if (is_kernel_addr(initrd_start) && is_kernel_addr(initrd_end) &&
initrd_end > initrd_start)
ROOT_DEV = Root_RAM0;
else
* must be called before using this.
*
* While we're here, we may as well set the "physical" cpu ids in the paca.
+ *
+ * NOTE: This must match the parsing done in early_init_dt_scan_cpus.
*/
void __init smp_setup_cpu_maps(void)
{
struct device_node *dn = NULL;
int cpu = 0;
- int swap_cpuid = 0;
while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) {
int *intserv;
for (j = 0; j < nthreads && cpu < NR_CPUS; j++) {
cpu_set(cpu, cpu_present_map);
set_hard_smp_processor_id(cpu, intserv[j]);
-
- if (intserv[j] == boot_cpuid_phys)
- swap_cpuid = cpu;
cpu_set(cpu, cpu_possible_map);
cpu++;
}
}
- /* Swap CPU id 0 with boot_cpuid_phys, so we can always assume that
- * boot cpu is logical 0.
- */
- if (boot_cpuid_phys != get_hard_smp_processor_id(0)) {
- u32 tmp;
- tmp = get_hard_smp_processor_id(0);
- set_hard_smp_processor_id(0, boot_cpuid_phys);
- set_hard_smp_processor_id(swap_cpuid, tmp);
- }
-
#ifdef CONFIG_PPC64
/*
* On pSeries LPAR, we need to know how many cpus
* could possibly be added to this partition.
*/
- if (_machine == PLATFORM_PSERIES_LPAR &&
+ if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&
(dn = of_find_node_by_path("/rtas"))) {
int num_addr_cell, num_size_cell, maxcpus;
unsigned int *ireg;
/*
* Do the sibling map; assume only two threads per processor.
*/
- for_each_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
cpu_set(cpu, cpu_sibling_map[cpu]);
if (cpu_has_feature(CPU_FTR_SMT))
cpu_set(cpu ^ 0x1, cpu_sibling_map[cpu]);
}
early_param("xmon", early_xmon);
#endif
+
+static __init int add_pcspkr(void)
+{
+ struct device_node *np;
+ struct platform_device *pd;
+ int ret;
+
+ np = of_find_compatible_node(NULL, NULL, "pnpPNP,100");
+ of_node_put(np);
+ if (!np)
+ return -ENODEV;
+
+ pd = platform_device_alloc("pcspkr", -1);
+ if (!pd)
+ return -ENOMEM;
+
+ ret = platform_device_add(pd);
+ if (ret)
+ platform_device_put(pd);
+
+ return ret;
+}
+device_initcall(add_pcspkr);
+
+void probe_machine(void)
+{
+ extern struct machdep_calls __machine_desc_start;
+ extern struct machdep_calls __machine_desc_end;
+
+ /*
+ * Iterate all ppc_md structures until we find the proper
+ * one for the current machine type
+ */
+ DBG("Probing machine type ...\n");
+
+ for (machine_id = &__machine_desc_start;
+ machine_id < &__machine_desc_end;
+ machine_id++) {
+ DBG(" %s ...", machine_id->name);
+ memcpy(&ppc_md, machine_id, sizeof(struct machdep_calls));
+ if (ppc_md.probe()) {
+ DBG(" match !\n");
+ break;
+ }
+ DBG("\n");
+ }
+ /* What can we do if we didn't find ? */
+ if (machine_id >= &__machine_desc_end) {
+ DBG("No suitable machine found !\n");
+ for (;;);
+ }
+
+ printk(KERN_INFO "Using %s machine description\n", ppc_md.name);
+}
git.openpandora.org / pandora-kernel.git / blobdiff