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authorArnd Bergmann <arnd@arndb.de>2022-04-01 15:35:42 +0300
committerArnd Bergmann <arnd@arndb.de>2022-04-04 11:22:37 +0300
commitd7445676e86900f8dc363825033ff62416c216e0 (patch)
treee7f964467c325f4242e6cea29b5df46bbc889fea /arch/arm/mach-realview
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
ARM: versatile: move integrator/realview/vexpress to versatile
These are all fairly small platforms by now, and they are closely related. Just move them all into a single directory. Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-realview')
-rw-r--r--arch/arm/mach-realview/Kconfig103
-rw-r--r--arch/arm/mach-realview/Makefile8
-rw-r--r--arch/arm/mach-realview/platsmp-dt.c93
-rw-r--r--arch/arm/mach-realview/realview-dt.c27
4 files changed, 0 insertions, 231 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
deleted file mode 100644
index a4c36024b5e8..000000000000
--- a/arch/arm/mach-realview/Kconfig
+++ /dev/null
@@ -1,103 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-menuconfig ARCH_REALVIEW
- bool "ARM Ltd. RealView family"
- depends on ARCH_MULTI_V5 || ARCH_MULTI_V6 || ARCH_MULTI_V7
- select ARM_AMBA
- select ARM_GIC
- select ARM_TIMER_SP804
- select CLK_SP810
- select GPIO_PL061 if GPIOLIB
- select HAVE_ARM_SCU if SMP
- select HAVE_ARM_TWD if SMP
- select HAVE_PATA_PLATFORM
- select HAVE_TCM
- select CLK_ICST
- select MACH_REALVIEW_EB if ARCH_MULTI_V5
- select MFD_SYSCON
- select PLAT_VERSATILE
- select POWER_RESET
- select POWER_RESET_VERSATILE
- select POWER_SUPPLY
- select SOC_REALVIEW
- help
- This enables support for ARM Ltd RealView boards.
-
-if ARCH_REALVIEW
-
-config MACH_REALVIEW_EB
- bool "Support RealView(R) Emulation Baseboard"
- select ARM_GIC
- select CPU_ARM926T if ARCH_MULTI_V5
- help
- Include support for the ARM(R) RealView(R) Emulation Baseboard
- platform. On an ARMv5 kernel, this will include support for
- the ARM926EJ-S core tile, while on an ARMv6/v7 kernel, at least
- one of the ARM1136, ARM1176, ARM11MPCore or Cortex-A9MPCore
- core tile options should be enabled.
-
-config REALVIEW_EB_ARM1136
- bool "Support ARM1136J(F)-S Tile"
- depends on MACH_REALVIEW_EB && ARCH_MULTI_V6
- select CPU_V6
- help
- Enable support for the ARM1136 tile fitted to the
- Realview(R) Emulation Baseboard platform.
-
-config REALVIEW_EB_ARM1176
- bool "Support ARM1176JZ(F)-S Tile"
- depends on MACH_REALVIEW_EB && ARCH_MULTI_V6
- help
- Enable support for the ARM1176 tile fitted to the
- Realview(R) Emulation Baseboard platform.
-
-config REALVIEW_EB_A9MP
- bool "Support Multicore Cortex-A9 Tile"
- depends on MACH_REALVIEW_EB && ARCH_MULTI_V7
- help
- Enable support for the Cortex-A9MPCore tile fitted to the
- Realview(R) Emulation Baseboard platform.
-
-config REALVIEW_EB_ARM11MP
- bool "Support ARM11MPCore Tile"
- depends on MACH_REALVIEW_EB && ARCH_MULTI_V6
- select HAVE_SMP
- help
- Enable support for the ARM11MPCore tile fitted to the Realview(R)
- Emulation Baseboard platform.
-
-config MACH_REALVIEW_PB11MP
- bool "Support RealView(R) Platform Baseboard for ARM11MPCore"
- depends on ARCH_MULTI_V6
- select HAVE_SMP
- help
- Include support for the ARM(R) RealView(R) Platform Baseboard for
- the ARM11MPCore. This platform has an on-board ARM11MPCore and has
- support for PCI-E and Compact Flash.
-
-# ARMv6 CPU without K extensions, but does have the new exclusive ops
-config MACH_REALVIEW_PB1176
- bool "Support RealView(R) Platform Baseboard for ARM1176JZF-S"
- depends on ARCH_MULTI_V6
- select CPU_V6
- select HAVE_TCM
- help
- Include support for the ARM(R) RealView(R) Platform Baseboard for
- ARM1176JZF-S.
-
-config MACH_REALVIEW_PBA8
- bool "Support RealView(R) Platform Baseboard for Cortex(tm)-A8 platform"
- depends on ARCH_MULTI_V7
- help
- Include support for the ARM(R) RealView Platform Baseboard for
- Cortex(tm)-A8. This platform has an on-board Cortex-A8 and has
- support for PCI-E and Compact Flash.
-
-config MACH_REALVIEW_PBX
- bool "Support RealView(R) Platform Baseboard Explore for Cortex-A9"
- depends on ARCH_MULTI_V7
- select ZONE_DMA
- help
- Include support for the ARM(R) RealView(R) Platform Baseboard
- Explore.
-
-endif
diff --git a/arch/arm/mach-realview/Makefile b/arch/arm/mach-realview/Makefile
deleted file mode 100644
index e259091591b8..000000000000
--- a/arch/arm/mach-realview/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# Makefile for the linux kernel.
-#
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-versatile/include
-
-obj-y += realview-dt.o
-obj-$(CONFIG_SMP) += platsmp-dt.o
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);
diff --git a/arch/arm/mach-realview/realview-dt.c b/arch/arm/mach-realview/realview-dt.c
deleted file mode 100644
index feab66080ba2..000000000000
--- a/arch/arm/mach-realview/realview-dt.c
+++ /dev/null
@@ -1,27 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2014 Linaro Ltd.
- *
- * Author: Linus Walleij <linus.walleij@linaro.org>
- */
-#include <linux/of_platform.h>
-#include <asm/mach/arch.h>
-#include <asm/hardware/cache-l2x0.h>
-
-static const char *const realview_dt_platform_compat[] __initconst = {
- "arm,realview-eb",
- "arm,realview-pb1176",
- "arm,realview-pb11mp",
- "arm,realview-pba8",
- "arm,realview-pbx",
- NULL,
-};
-
-DT_MACHINE_START(REALVIEW_DT, "ARM RealView Machine (Device Tree Support)")
-#ifdef CONFIG_ZONE_DMA
- .dma_zone_size = SZ_256M,
-#endif
- .dt_compat = realview_dt_platform_compat,
- .l2c_aux_val = 0x0,
- .l2c_aux_mask = ~0x0,
-MACHINE_END