ARM: tango4: Initial platform support

[linux-2.6-microblaze.git] / arch / arm / mach-tango / setup.c

diff --git a/arch/arm/mach-tango/setup.c b/arch/arm/mach-tango/setup.c
new file mode 100644 (file)
index 0000000..d869005
--- /dev/null
+++ b/arch/arm/mach-tango/setup.c
@@ -0,0 +1,31 @@
+#include <linux/smp.h>
+#include <asm/mach/arch.h>
+#include <asm/hardware/cache-l2x0.h>
+#include "smc.h"
+
+static int tango4_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+       tango_set_aux_boot_addr(virt_to_phys(secondary_startup));
+       tango_start_aux_core(cpu);
+       return 0;
+}
+
+static struct smp_operations tango4_smp_ops __initdata = {
+       .smp_boot_secondary     = tango4_boot_secondary,
+};
+
+CPU_METHOD_OF_DECLARE(tango4_smp, "sigma,tango4-smp", &tango4_smp_ops);
+
+static void tango_l2c_write(unsigned long val, unsigned int reg)
+{
+       if (reg == L2X0_CTRL)
+               tango_set_l2_control(val);
+}
+
+static const char *const tango_dt_compat[] = { "sigma,tango4", NULL };
+
+DT_MACHINE_START(TANGO_DT, "Sigma Tango DT")
+       .dt_compat      = tango_dt_compat,
+       .l2c_aux_mask   = ~0,
+       .l2c_write_sec  = tango_l2c_write,
+MACHINE_END