8 files changed, 0 insertions, 148 deletions
diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig
deleted file mode 100644
index a9eeda36aeb1..000000000000
--- a/arch/arm/mach-tango/Kconfig
+++ /dev/null
@@ -1,13 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-config ARCH_TANGO
-	bool "Sigma Designs Tango4 (SMP87xx)"
-	depends on ARCH_MULTI_V7
-	# Cortex-A9 MPCore r3p0, PL310 r3p2
-	select ARM_ERRATA_754322
-	select ARM_ERRATA_764369 if SMP
-	select ARM_ERRATA_775420
-	select ARM_GIC
-	select CLKSRC_TANGO_XTAL
-	select HAVE_ARM_SCU
-	select HAVE_ARM_TWD
-	select TANGO_IRQ
diff --git a/arch/arm/mach-tango/Makefile b/arch/arm/mach-tango/Makefile
deleted file mode 100644
index 97cd04508fa1..000000000000
--- a/arch/arm/mach-tango/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-obj-y += setup.o smc.o
-obj-$(CONFIG_SMP) += platsmp.o
-obj-$(CONFIG_SUSPEND) += pm.o
diff --git a/arch/arm/mach-tango/platsmp.c b/arch/arm/mach-tango/platsmp.c
deleted file mode 100644
index 65012afbc1a3..000000000000
--- a/arch/arm/mach-tango/platsmp.c
+++ /dev/null
@@ -1,52 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include "smc.h"
-
-static int tango_boot_secondary(unsigned int cpu, struct task_struct *idle)
-{
-	tango_set_aux_boot_addr(__pa_symbol(secondary_startup));
-	tango_start_aux_core(cpu);
-	return 0;
-}
-
-#ifdef CONFIG_HOTPLUG_CPU
-/*
- * cpu_kill() and cpu_die() run concurrently on different cores.
- * Firmware will only "kill" a core once it has properly "died".
- * Try a few times to kill a core before giving up, and sleep
- * between tries to give that core enough time to die.
- */
-static int tango_cpu_kill(unsigned int cpu)
-{
-	int i, err;
-
-	for (i = 0; i < 10; ++i) {
-		msleep(10);
-		err = tango_aux_core_kill(cpu);
-		if (!err)
-			return true;
-	}
-
-	return false;
-}
-
-static void tango_cpu_die(unsigned int cpu)
-{
-	while (tango_aux_core_die(cpu) < 0)
-		cpu_relax();
-
-	panic("cpu %d failed to die\n", cpu);
-}
-#endif
-
-static const struct smp_operations tango_smp_ops __initconst = {
-	.smp_boot_secondary	= tango_boot_secondary,
-#ifdef CONFIG_HOTPLUG_CPU
-	.cpu_kill		= tango_cpu_kill,
-	.cpu_die		= tango_cpu_die,
-#endif
-};
-
-CPU_METHOD_OF_DECLARE(tango4_smp, "sigma,tango4-smp", &tango_smp_ops);
diff --git a/arch/arm/mach-tango/pm.c b/arch/arm/mach-tango/pm.c
deleted file mode 100644
index a32c3b631484..000000000000
--- a/arch/arm/mach-tango/pm.c
+++ /dev/null
@@ -1,31 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/suspend.h>
-#include <asm/suspend.h>
-#include "smc.h"
-#include "pm.h"
-
-static int tango_pm_powerdown(unsigned long arg)
-{
-	tango_suspend(__pa_symbol(cpu_resume));
-
-	return -EIO; /* tango_suspend has failed */
-}
-
-static int tango_pm_enter(suspend_state_t state)
-{
-	if (state == PM_SUSPEND_MEM)
-		return cpu_suspend(0, tango_pm_powerdown);
-
-	return -EINVAL;
-}
-
-static const struct platform_suspend_ops tango_pm_ops = {
-	.enter = tango_pm_enter,
-	.valid = suspend_valid_only_mem,
-};
-
-void __init tango_pm_init(void)
-{
-	suspend_set_ops(&tango_pm_ops);
-}
diff --git a/arch/arm/mach-tango/pm.h b/arch/arm/mach-tango/pm.h
deleted file mode 100644
index 35ea705a0ee2..000000000000
--- a/arch/arm/mach-tango/pm.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-#ifdef CONFIG_SUSPEND
-void __init tango_pm_init(void);
-#else
-#define tango_pm_init NULL
-#endif
diff --git a/arch/arm/mach-tango/setup.c b/arch/arm/mach-tango/setup.c
deleted file mode 100644
index 824f90737b04..000000000000
--- a/arch/arm/mach-tango/setup.c
+++ /dev/null
@@ -1,20 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <asm/mach/arch.h>
-#include <asm/hardware/cache-l2x0.h>
-#include "smc.h"
-#include "pm.h"
-
-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,
-	.init_late	= tango_pm_init,
-MACHINE_END
diff --git a/arch/arm/mach-tango/smc.S b/arch/arm/mach-tango/smc.S
deleted file mode 100644
index b1752aaa72bc..000000000000
--- a/arch/arm/mach-tango/smc.S
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/linkage.h>
-
-	.arch armv7-a
-	.arch_extension sec
-ENTRY(tango_smc)
-	push	{lr}
-	mov	ip, r1
-	dsb	/* This barrier is probably unnecessary */
-	smc	#0
-	pop	{pc}
-ENDPROC(tango_smc)
diff --git a/arch/arm/mach-tango/smc.h b/arch/arm/mach-tango/smc.h
deleted file mode 100644
index 455ce3e06daf..000000000000
--- a/arch/arm/mach-tango/smc.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-extern int tango_smc(unsigned int val, unsigned int service);
-
-#define tango_set_l2_control(val)	tango_smc(val, 0x102)
-#define tango_start_aux_core(val)	tango_smc(val, 0x104)
-#define tango_set_aux_boot_addr(val)	tango_smc(val, 0x105)
-#define tango_suspend(val)		tango_smc(val, 0x120)
-#define tango_aux_core_die(val)		tango_smc(val, 0x121)
-#define tango_aux_core_kill(val)	tango_smc(val, 0x122)