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-rw-r--r--arch/arm/mach-realview/platsmp-dt.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c
deleted file mode 100644
index 5ae783767a5d..000000000000
--- a/arch/arm/mach-realview/platsmp-dt.c
+++ /dev/null
@@ -1,93 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2015 Linus Walleij
- */
-#include <linux/smp.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-
-#include <asm/cacheflush.h>
-#include <asm/smp_plat.h>
-#include <asm/smp_scu.h>
-
-#include <plat/platsmp.h>
-
-#define REALVIEW_SYS_FLAGSSET_OFFSET 0x30
-
-static const struct of_device_id realview_scu_match[] = {
- { .compatible = "arm,arm11mp-scu", },
- { .compatible = "arm,cortex-a9-scu", },
- { .compatible = "arm,cortex-a5-scu", },
- { }
-};
-
-static const struct of_device_id realview_syscon_match[] = {
- { .compatible = "arm,core-module-integrator", },
- { .compatible = "arm,realview-eb-syscon", },
- { .compatible = "arm,realview-pb11mp-syscon", },
- { .compatible = "arm,realview-pbx-syscon", },
- { },
-};
-
-static void __init realview_smp_prepare_cpus(unsigned int max_cpus)
-{
- struct device_node *np;
- void __iomem *scu_base;
- struct regmap *map;
- unsigned int ncores;
- int i;
-
- np = of_find_matching_node(NULL, realview_scu_match);
- if (!np) {
- pr_err("PLATSMP: No SCU base address\n");
- return;
- }
- scu_base = of_iomap(np, 0);
- of_node_put(np);
- if (!scu_base) {
- pr_err("PLATSMP: No SCU remap\n");
- return;
- }
-
- scu_enable(scu_base);
- ncores = scu_get_core_count(scu_base);
- pr_info("SCU: %d cores detected\n", ncores);
- for (i = 0; i < ncores; i++)
- set_cpu_possible(i, true);
- iounmap(scu_base);
-
- /* The syscon contains the magic SMP start address registers */
- np = of_find_matching_node(NULL, realview_syscon_match);
- if (!np) {
- pr_err("PLATSMP: No syscon match\n");
- return;
- }
- map = syscon_node_to_regmap(np);
- if (IS_ERR(map)) {
- pr_err("PLATSMP: No syscon regmap\n");
- return;
- }
- /* Put the boot address in this magic register */
- regmap_write(map, REALVIEW_SYS_FLAGSSET_OFFSET,
- __pa_symbol(versatile_secondary_startup));
-}
-
-#ifdef CONFIG_HOTPLUG_CPU
-static void realview_cpu_die(unsigned int cpu)
-{
- return versatile_immitation_cpu_die(cpu, 0x20);
-}
-#endif
-
-static const struct smp_operations realview_dt_smp_ops __initconst = {
- .smp_prepare_cpus = realview_smp_prepare_cpus,
- .smp_secondary_init = versatile_secondary_init,
- .smp_boot_secondary = versatile_boot_secondary,
-#ifdef CONFIG_HOTPLUG_CPU
- .cpu_die = realview_cpu_die,
-#endif
-};
-CPU_METHOD_OF_DECLARE(realview_smp, "arm,realview-smp", &realview_dt_smp_ops);