X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Fs390%2Fkernel%2Fsetup.c;h=91551ef1d67e87e9569a8bf74c3f4f717cda011a;hb=da292bbe1f620221b08c4b589424f370168d642b;hp=d825f4950e4e2f721e89de76fc98fe3dad91971b;hpb=7d3b56ba37a95f1f370f50258ed3954c304c524b;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index d825f49..91551ef 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -74,15 +74,29 @@ EXPORT_SYMBOL(uaccess);
  * Machine setup..
  */
 unsigned int console_mode = 0;
+EXPORT_SYMBOL(console_mode);
+
 unsigned int console_devno = -1;
+EXPORT_SYMBOL(console_devno);
+
 unsigned int console_irq = -1;
+EXPORT_SYMBOL(console_irq);
+
 unsigned long machine_flags;
+EXPORT_SYMBOL(machine_flags);
+
 unsigned long elf_hwcap = 0;
 char elf_platform[ELF_PLATFORM_SIZE];
 
 struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS];
 volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
-static unsigned long __initdata memory_end;
+
+int __initdata memory_end_set;
+unsigned long __initdata memory_end;
+
+/* An array with a pointer to the lowcore of every CPU. */
+struct _lowcore *lowcore_ptr[NR_CPUS];
+EXPORT_SYMBOL(lowcore_ptr);
 
 /*
  * This is set up by the setup-routine at boot-time
@@ -107,13 +121,10 @@ static struct resource data_resource = {
  */
 void __cpuinit cpu_init(void)
 {
-        int addr = hard_smp_processor_id();
-
         /*
          * Store processor id in lowcore (used e.g. in timer_interrupt)
          */
-	get_cpu_id(&S390_lowcore.cpu_data.cpu_id);
-        S390_lowcore.cpu_data.cpu_addr = addr;
+	get_cpu_id(&S390_lowcore.cpu_id);
 
         /*
          * Force FPU initialization:
@@ -281,16 +292,13 @@ void (*pm_power_off)(void) = machine_power_off;
 static int __init early_parse_mem(char *p)
 {
 	memory_end = memparse(p, &p);
+	memory_end_set = 1;
 	return 0;
 }
 early_param("mem", early_parse_mem);
 
 #ifdef CONFIG_S390_SWITCH_AMODE
-#ifdef CONFIG_PGSTE
-unsigned int switch_amode = 1;
-#else
 unsigned int switch_amode = 0;
-#endif
 EXPORT_SYMBOL_GPL(switch_amode);
 
 static int set_amode_and_uaccess(unsigned long user_amode,
@@ -411,7 +419,6 @@ setup_lowcore(void)
 		PSW_ADDR_AMODE | (unsigned long) mcck_int_handler;
 	lc->io_new_psw.mask = psw_kernel_bits;
 	lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
-	lc->ipl_device = S390_lowcore.ipl_device;
 	lc->clock_comparator = -1ULL;
 	lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE;
 	lc->async_stack = (unsigned long)
@@ -431,6 +438,7 @@ setup_lowcore(void)
 	lc->vdso_per_cpu_data = (unsigned long) &lc->paste[0];
 #endif
 	set_prefix((u32)(unsigned long) lc);
+	lowcore_ptr[0] = lc;
 }
 
 static void __init
@@ -508,8 +516,10 @@ static void __init setup_memory_end(void)
 	int i;
 
 #if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_ZFCPDUMP_MODULE)
-	if (ipl_info.type == IPL_TYPE_FCP_DUMP)
+	if (ipl_info.type == IPL_TYPE_FCP_DUMP) {
 		memory_end = ZFCPDUMP_HSA_SIZE;
+		memory_end_set = 1;
+	}
 #endif
 	memory_size = 0;
 	memory_end &= PAGE_MASK;
@@ -672,7 +682,6 @@ setup_memory(void)
 static void __init setup_hwcaps(void)
 {
 	static const int stfl_bits[6] = { 0, 2, 7, 17, 19, 21 };
-	struct cpuinfo_S390 *cpuinfo = &S390_lowcore.cpu_data;
 	unsigned long long facility_list_extended;
 	unsigned int facility_list;
 	int i;
@@ -718,7 +727,7 @@ static void __init setup_hwcaps(void)
 	if (MACHINE_HAS_HPAGE)
 		elf_hwcap |= 1UL << 7;
 
-	switch (cpuinfo->cpu_id.machine) {
+	switch (S390_lowcore.cpu_id.machine) {
 	case 0x9672:
 #if !defined(CONFIG_64BIT)
 	default:	/* Use "g5" as default for 31 bit kernels. */
@@ -811,7 +820,7 @@ setup_arch(char **cmdline_p)
 	setup_lowcore();
 
         cpu_init();
-        __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr;
+	__cpu_logical_map[0] = stap();
 	s390_init_cpu_topology();
 
 	/*