MIPS: PMC-Sierra Yosemite: Remove support.

Nobody seems to be interested anymore and upstream also never had an
ethernet driver.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 185 deletions

diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c
deleted file mode 100644
index 5edab2bc6fc0..000000000000
--- a/arch/mips/pmc-sierra/yosemite/smp.c
+++ /dev/null
@@ -1,185 +0,0 @@
-#include <linux/linkage.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-
-#include <asm/pmon.h>
-#include <asm/titan_dep.h>
-#include <asm/time.h>
-
-#define LAUNCHSTACK_SIZE 256
-
-static __cpuinitdata arch_spinlock_t launch_lock = __ARCH_SPIN_LOCK_UNLOCKED;
-
-static unsigned long secondary_sp __cpuinitdata;
-static unsigned long secondary_gp __cpuinitdata;
-
-static unsigned char launchstack[LAUNCHSTACK_SIZE] __initdata
-	__attribute__((aligned(2 * sizeof(long))));
-
-static void __init prom_smp_bootstrap(void)
-{
-	local_irq_disable();
-
-	while (arch_spin_is_locked(&launch_lock));
-
-	__asm__ __volatile__(
-	"	move	$sp, %0		\n"
-	"	move	$gp, %1		\n"
-	"	j	smp_bootstrap	\n"
-	:
-	: "r" (secondary_sp), "r" (secondary_gp));
-}
-
-/*
- * PMON is a fragile beast.  It'll blow up once the mappings it's littering
- * right into the middle of KSEG3 are blown away so we have to grab the slave
- * core early and keep it in a waiting loop.
- */
-void __init prom_grab_secondary(void)
-{
-	arch_spin_lock(&launch_lock);
-
-	pmon_cpustart(1, &prom_smp_bootstrap,
-	              launchstack + LAUNCHSTACK_SIZE, 0);
-}
-
-void titan_mailbox_irq(void)
-{
-	int cpu = smp_processor_id();
-	unsigned long status;
-
-	switch (cpu) {
-	case 0:
-		status = OCD_READ(RM9000x2_OCD_INTP0STATUS3);
-		OCD_WRITE(RM9000x2_OCD_INTP0CLEAR3, status);
-
-		if (status & 0x2)
-			smp_call_function_interrupt();
-		if (status & 0x4)
-			scheduler_ipi();
-		break;
-
-	case 1:
-		status = OCD_READ(RM9000x2_OCD_INTP1STATUS3);
-		OCD_WRITE(RM9000x2_OCD_INTP1CLEAR3, status);
-
-		if (status & 0x2)
-			smp_call_function_interrupt();
-		if (status & 0x4)
-			scheduler_ipi();
-		break;
-	}
-}
-
-/*
- * Send inter-processor interrupt
- */
-static void yos_send_ipi_single(int cpu, unsigned int action)
-{
-	/*
-	 * Generate an INTMSG so that it can be sent over to the
-	 * destination CPU. The INTMSG will put the STATUS bits
-	 * based on the action desired. An alternative strategy
-	 * is to write to the Interrupt Set register, read the
-	 * Interrupt Status register and clear the Interrupt
-	 * Clear register. The latter is preffered.
-	 */
-	switch (action) {
-	case SMP_RESCHEDULE_YOURSELF:
-		if (cpu == 1)
-			OCD_WRITE(RM9000x2_OCD_INTP1SET3, 4);
-		else
-			OCD_WRITE(RM9000x2_OCD_INTP0SET3, 4);
-		break;
-
-	case SMP_CALL_FUNCTION:
-		if (cpu == 1)
-			OCD_WRITE(RM9000x2_OCD_INTP1SET3, 2);
-		else
-			OCD_WRITE(RM9000x2_OCD_INTP0SET3, 2);
-		break;
-	}
-}
-
-static void yos_send_ipi_mask(const struct cpumask *mask, unsigned int action)
-{
-	unsigned int i;
-
-	for_each_cpu(i, mask)
-		yos_send_ipi_single(i, action);
-}
-
-/*
- *  After we've done initial boot, this function is called to allow the
- *  board code to clean up state, if needed
- */
-static void __cpuinit yos_init_secondary(void)
-{
-}
-
-static void __cpuinit yos_smp_finish(void)
-{
-	set_c0_status(ST0_CO | ST0_IM | ST0_IE);
-}
-
-/* Hook for after all CPUs are online */
-static void yos_cpus_done(void)
-{
-}
-
-/*
- * Firmware CPU startup hook
- * Complicated by PMON's weird interface which tries to minimic the UNIX fork.
- * It launches the next * available CPU and copies some information on the
- * stack so the first thing we do is throw away that stuff and load useful
- * values into the registers ...
- */
-static void __cpuinit yos_boot_secondary(int cpu, struct task_struct *idle)
-{
-	unsigned long gp = (unsigned long) task_thread_info(idle);
-	unsigned long sp = __KSTK_TOS(idle);
-
-	secondary_sp = sp;
-	secondary_gp = gp;
-
-	arch_spin_unlock(&launch_lock);
-}
-
-/*
- * Detect available CPUs, populate cpu_possible_mask before smp_init
- *
- * We don't want to start the secondary CPU yet nor do we have a nice probing
- * feature in PMON so we just assume presence of the secondary core.
- */
-static void __init yos_smp_setup(void)
-{
-	int i;
-
-	init_cpu_possible(cpu_none_mask);
-
-	for (i = 0; i < 2; i++) {
-		set_cpu_possible(i, true);
-		__cpu_number_map[i]	= i;
-		__cpu_logical_map[i]	= i;
-	}
-}
-
-static void __init yos_prepare_cpus(unsigned int max_cpus)
-{
-	/*
-	 * Be paranoid.  Enable the IPI only if we're really about to go SMP.
-	 */
-	if (num_possible_cpus())
-		set_c0_status(STATUSF_IP5);
-}
-
-struct plat_smp_ops yos_smp_ops = {
-	.send_ipi_single	= yos_send_ipi_single,
-	.send_ipi_mask		= yos_send_ipi_mask,
-	.init_secondary		= yos_init_secondary,
-	.smp_finish		= yos_smp_finish,
-	.cpus_done		= yos_cpus_done,
-	.boot_secondary		= yos_boot_secondary,
-	.smp_setup		= yos_smp_setup,
-	.prepare_cpus		= yos_prepare_cpus,
-};