6 files changed, 24 insertions, 0 deletions

diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 475ce4696ac..b0041756c9f 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -41,6 +41,8 @@ obj-y                   += of_device_common.o
 obj-y                   += of_device_$(BITS).o
 obj-$(CONFIG_SPARC64)   += prom_irqtrans.o
 
+obj-$(CONFIG_SPARC_LEON)+= leon_kernel.o
+
 obj-$(CONFIG_SPARC64)   += reboot.o
 obj-$(CONFIG_SPARC64)   += sysfs.o
 obj-$(CONFIG_SPARC64)   += iommu.o
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index d85c3dc4953..1446df90ef8 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -312,7 +312,12 @@ void __cpuinit cpu_probe(void)
 
         psr = get_psr();
         put_psr(psr | PSR_EF);
+#ifdef CONFIG_SPARC_LEON
+        fpu_vers = 7;
+#else
         fpu_vers = ((get_fsr() >> 17) & 0x7);
+#endif
+
         put_psr(psr);
 
         set_cpu_and_fpu(psr_impl, psr_vers, fpu_vers);
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index 6b4d8acc4c8..439d82a95ac 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -809,6 +809,11 @@ found_version:
                  nop
 
 got_prop:
+#ifdef CONFIG_SPARC_LEON
+                /* no cpu-type check is needed, it is a SPARC-LEON */
+                ba sun4c_continue_boot
+                 nop
+#endif
                 set     cputypval, %o2
                 ldub    [%o2 + 0x4], %l1
 
diff --git a/arch/sparc/kernel/idprom.c b/arch/sparc/kernel/idprom.c
index 57922f69c3f..52a15fe2db1 100644
--- a/arch/sparc/kernel/idprom.c
+++ b/arch/sparc/kernel/idprom.c
@@ -31,6 +31,8 @@ static struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
 { .name = "Sun 4/200 Series",        .id_machtype = (SM_SUN4 | SM_4_260) },
 { .name = "Sun 4/300 Series",        .id_machtype = (SM_SUN4 | SM_4_330) },
 { .name = "Sun 4/400 Series",        .id_machtype = (SM_SUN4 | SM_4_470) },
+/* Now Leon */
+{ .name = "Leon3 System-on-a-Chip",  .id_machtype = (M_LEON | M_LEON3_SOC) },
 /* Now, Sun4c's */
 { .name = "Sun4c SparcStation 1",    .id_machtype = (SM_SUN4C | SM_4C_SS1) },
 { .name = "Sun4c SparcStation IPC",  .id_machtype = (SM_SUN4C | SM_4C_IPC) },
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index ad800b80c71..e1af4372832 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -45,6 +45,7 @@
 #include <asm/pcic.h>
 #include <asm/cacheflush.h>
 #include <asm/irq_regs.h>
+#include <asm/leon.h>
 
 #include "kernel.h"
 #include "irq.h"
@@ -661,6 +662,10 @@ void __init init_IRQ(void)
                 sun4d_init_IRQ();
                 break;
 
+        case sparc_leon:
+                leon_init_IRQ();
+                break;
+
         default:
                 prom_printf("Cannot initialize IRQs on this Sun machine...");
                 break;
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 998cadb4e7f..16a47ffe03c 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -235,6 +235,8 @@ void __init setup_arch(char **cmdline_p)
                 sparc_cpu_model = sun4e;
         if (!strcmp(&cputypval,"sun4u"))
                 sparc_cpu_model = sun4u;
+        if (!strncmp(&cputypval, "leon" , 4))
+                sparc_cpu_model = sparc_leon;
 
         printk("ARCH: ");
         switch(sparc_cpu_model) {
@@ -256,6 +258,9 @@ void __init setup_arch(char **cmdline_p)
         case sun4u:
                 printk("SUN4U\n");
                 break;
+        case sparc_leon:
+                printk("LEON\n");
+                break;
         default:
                 printk("UNKNOWN!\n");
                 break;