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Message-Id: <1416939455-1814-1-git-send-email-pawel.moll@arm.com>
Date: Tue, 25 Nov 2014 18:17:34 +0000
From: Pawel Moll <pawel.moll@....com>
To: arm@...nel.org, Russell King <linux@....linux.org.uk>,
Mike Turquette <mturquette@...aro.org>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Liviu Dudau <liviu.dudau@....com>,
Sudeep Holla <sudeep.holla@....com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Pawel Moll <pawel.moll@....com>
Subject: [PATCH v2 RESEND 1/2] ARM: vexpress: Remove non-DT code
Now, with the CLCD DT support available, there is no
more reason to keep the non-DT support for V2P-CA9.
Removed, together with "some" supporting code. It was
necessary to make PLAT_VERSATILE_SCHED_CLOCK optional
and selected by the machines still interested in it.
Acked-by: Mike Turquette <mturquette@...aro.org>
Signed-off-by: Pawel Moll <pawel.moll@....com>
---
Changes since v1:
- Removed MFD and power/reset changes from the patch;
will be posted separately after this is merged.
arch/arm/Kconfig | 2 +
arch/arm/mach-vexpress/Kconfig | 3 -
arch/arm/mach-vexpress/Makefile | 3 +-
arch/arm/mach-vexpress/core.h | 7 -
arch/arm/mach-vexpress/ct-ca9x4.c | 212 ------------
arch/arm/mach-vexpress/include/mach/ct-ca9x4.h | 47 ---
arch/arm/mach-vexpress/include/mach/hardware.h | 1 -
arch/arm/mach-vexpress/include/mach/irqs.h | 6 -
arch/arm/mach-vexpress/include/mach/motherboard.h | 88 -----
arch/arm/mach-vexpress/platsmp.c | 42 ---
arch/arm/mach-vexpress/v2m.c | 374 ----------------------
arch/arm/plat-versatile/Kconfig | 2 +-
drivers/clk/versatile/Makefile | 1 -
drivers/clk/versatile/clk-vexpress-osc.c | 7 -
drivers/clk/versatile/clk-vexpress.c | 86 -----
drivers/misc/vexpress-syscfg.c | 60 +---
include/linux/vexpress.h | 19 --
17 files changed, 17 insertions(+), 943 deletions(-)
delete mode 100644 arch/arm/mach-vexpress/ct-ca9x4.c
delete mode 100644 arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
delete mode 100644 arch/arm/mach-vexpress/include/mach/hardware.h
delete mode 100644 arch/arm/mach-vexpress/include/mach/irqs.h
delete mode 100644 arch/arm/mach-vexpress/include/mach/motherboard.h
delete mode 100644 drivers/clk/versatile/clk-vexpress.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 89c4b5c..6c6fdb8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -350,6 +350,7 @@ config ARCH_REALVIEW
select ICST
select NEED_MACH_MEMORY_H
select PLAT_VERSATILE
+ select PLAT_VERSATILE_SCHED_CLOCK
help
This enables support for ARM Ltd RealView boards.
@@ -365,6 +366,7 @@ config ARCH_VERSATILE
select ICST
select PLAT_VERSATILE
select PLAT_VERSATILE_CLOCK
+ select PLAT_VERSATILE_SCHED_CLOCK
select VERSATILE_FPGA_IRQ
help
This enables support for ARM Ltd Versatile board.
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index b2cfba16c..9a96bab 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -49,9 +49,6 @@ config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
build a working kernel, you must also enable relevant core
tile support or Flattened Device Tree based support options.
-config ARCH_VEXPRESS_CA9X4
- bool "Versatile Express Cortex-A9x4 tile"
-
config ARCH_VEXPRESS_DCSCB
bool "Dual Cluster System Control Block (DCSCB) support"
depends on MCPM
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index fc649bc..f5c1006 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -1,11 +1,10 @@
#
# Makefile for the linux kernel.
#
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := \
-I$(srctree)/arch/arm/plat-versatile/include
obj-y := v2m.o
-obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o
CFLAGS_dcscb.o += -march=armv7-a
CFLAGS_REMOVE_dcscb.o = -pg
diff --git a/arch/arm/mach-vexpress/core.h b/arch/arm/mach-vexpress/core.h
index 152fad9..2a11d3a 100644
--- a/arch/arm/mach-vexpress/core.h
+++ b/arch/arm/mach-vexpress/core.h
@@ -1,12 +1,5 @@
-/* 2MB large area for motherboard's peripherals static mapping */
-#define V2M_PERIPH 0xf8000000
-
-/* Tile's peripherals static mappings should start here */
-#define V2T_PERIPH 0xf8200000
-
bool vexpress_smp_init_ops(void);
-extern struct smp_operations vexpress_smp_ops;
extern struct smp_operations vexpress_smp_dt_ops;
extern void vexpress_cpu_die(unsigned int cpu);
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
deleted file mode 100644
index 27bea04..0000000
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Versatile Express Core Tile Cortex A9x4 Support
- */
-#include <linux/init.h>
-#include <linux/gfp.h>
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-#include <linux/platform_data/video-clcd-versatile.h>
-#include <linux/clkdev.h>
-#include <linux/vexpress.h>
-#include <linux/irqchip/arm-gic.h>
-
-#include <asm/hardware/arm_timer.h>
-#include <asm/hardware/cache-l2x0.h>
-#include <asm/smp_scu.h>
-#include <asm/smp_twd.h>
-
-#include <mach/ct-ca9x4.h>
-
-#include <asm/hardware/timer-sp.h>
-
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-
-#include "core.h"
-
-#include <mach/motherboard.h>
-#include <mach/irqs.h>
-
-static struct map_desc ct_ca9x4_io_desc[] __initdata = {
- {
- .virtual = V2T_PERIPH,
- .pfn = __phys_to_pfn(CT_CA9X4_MPIC),
- .length = SZ_8K,
- .type = MT_DEVICE,
- },
-};
-
-static void __init ct_ca9x4_map_io(void)
-{
- iotable_init(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc));
-}
-
-static void __init ca9x4_l2_init(void)
-{
-#ifdef CONFIG_CACHE_L2X0
- void __iomem *l2x0_base = ioremap(CT_CA9X4_L2CC, SZ_4K);
-
- if (l2x0_base) {
- /* set RAM latencies to 1 cycle for this core tile. */
- writel(0, l2x0_base + L310_TAG_LATENCY_CTRL);
- writel(0, l2x0_base + L310_DATA_LATENCY_CTRL);
-
- l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff);
- } else {
- pr_err("L2C: unable to map L2 cache controller\n");
- }
-#endif
-}
-
-#ifdef CONFIG_HAVE_ARM_TWD
-static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, A9_MPCORE_TWD, IRQ_LOCALTIMER);
-
-static void __init ca9x4_twd_init(void)
-{
- int err = twd_local_timer_register(&twd_local_timer);
- if (err)
- pr_err("twd_local_timer_register failed %d\n", err);
-}
-#else
-#define ca9x4_twd_init() do {} while(0)
-#endif
-
-static void __init ct_ca9x4_init_irq(void)
-{
- gic_init(0, 29, ioremap(A9_MPCORE_GIC_DIST, SZ_4K),
- ioremap(A9_MPCORE_GIC_CPU, SZ_256));
- ca9x4_twd_init();
- ca9x4_l2_init();
-}
-
-static int ct_ca9x4_clcd_setup(struct clcd_fb *fb)
-{
- unsigned long framesize = 1024 * 768 * 2;
-
- fb->panel = versatile_clcd_get_panel("XVGA");
- if (!fb->panel)
- return -EINVAL;
-
- return versatile_clcd_setup_dma(fb, framesize);
-}
-
-static struct clcd_board ct_ca9x4_clcd_data = {
- .name = "CT-CA9X4",
- .caps = CLCD_CAP_5551 | CLCD_CAP_565,
- .check = clcdfb_check,
- .decode = clcdfb_decode,
- .setup = ct_ca9x4_clcd_setup,
- .mmap = versatile_clcd_mmap_dma,
- .remove = versatile_clcd_remove_dma,
-};
-
-static AMBA_AHB_DEVICE(clcd, "ct:clcd", 0, CT_CA9X4_CLCDC, IRQ_CT_CA9X4_CLCDC, &ct_ca9x4_clcd_data);
-static AMBA_APB_DEVICE(dmc, "ct:dmc", 0, CT_CA9X4_DMC, IRQ_CT_CA9X4_DMC, NULL);
-static AMBA_APB_DEVICE(smc, "ct:smc", 0, CT_CA9X4_SMC, IRQ_CT_CA9X4_SMC, NULL);
-static AMBA_APB_DEVICE(gpio, "ct:gpio", 0, CT_CA9X4_GPIO, IRQ_CT_CA9X4_GPIO, NULL);
-
-static struct amba_device *ct_ca9x4_amba_devs[] __initdata = {
- &clcd_device,
- &dmc_device,
- &smc_device,
- &gpio_device,
-};
-
-static struct resource pmu_resources[] = {
- [0] = {
- .start = IRQ_CT_CA9X4_PMU_CPU0,
- .end = IRQ_CT_CA9X4_PMU_CPU0,
- .flags = IORESOURCE_IRQ,
- },
- [1] = {
- .start = IRQ_CT_CA9X4_PMU_CPU1,
- .end = IRQ_CT_CA9X4_PMU_CPU1,
- .flags = IORESOURCE_IRQ,
- },
- [2] = {
- .start = IRQ_CT_CA9X4_PMU_CPU2,
- .end = IRQ_CT_CA9X4_PMU_CPU2,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = IRQ_CT_CA9X4_PMU_CPU3,
- .end = IRQ_CT_CA9X4_PMU_CPU3,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device pmu_device = {
- .name = "arm-pmu",
- .id = -1,
- .num_resources = ARRAY_SIZE(pmu_resources),
- .resource = pmu_resources,
-};
-
-static struct clk_lookup osc1_lookup = {
- .dev_id = "ct:clcd",
-};
-
-static struct platform_device osc1_device = {
- .name = "vexpress-osc",
- .id = 1,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0xf, 1),
- },
- .dev.platform_data = &osc1_lookup,
-};
-
-static void __init ct_ca9x4_init(void)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(ct_ca9x4_amba_devs); i++)
- amba_device_register(ct_ca9x4_amba_devs[i], &iomem_resource);
-
- platform_device_register(&pmu_device);
- vexpress_syscfg_device_register(&osc1_device);
-}
-
-#ifdef CONFIG_SMP
-static void *ct_ca9x4_scu_base __initdata;
-
-static void __init ct_ca9x4_init_cpu_map(void)
-{
- int i, ncores;
-
- ct_ca9x4_scu_base = ioremap(A9_MPCORE_SCU, SZ_128);
- if (WARN_ON(!ct_ca9x4_scu_base))
- return;
-
- ncores = scu_get_core_count(ct_ca9x4_scu_base);
-
- if (ncores > nr_cpu_ids) {
- pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
- ncores, nr_cpu_ids);
- ncores = nr_cpu_ids;
- }
-
- for (i = 0; i < ncores; ++i)
- set_cpu_possible(i, true);
-}
-
-static void __init ct_ca9x4_smp_enable(unsigned int max_cpus)
-{
- scu_enable(ct_ca9x4_scu_base);
-}
-#endif
-
-struct ct_desc ct_ca9x4_desc __initdata = {
- .id = V2M_CT_ID_CA9,
- .name = "CA9x4",
- .map_io = ct_ca9x4_map_io,
- .init_irq = ct_ca9x4_init_irq,
- .init_tile = ct_ca9x4_init,
-#ifdef CONFIG_SMP
- .init_cpu_map = ct_ca9x4_init_cpu_map,
- .smp_enable = ct_ca9x4_smp_enable,
-#endif
-};
diff --git a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
deleted file mode 100644
index 84acf84..0000000
--- a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef __MACH_CT_CA9X4_H
-#define __MACH_CT_CA9X4_H
-
-/*
- * Physical base addresses
- */
-#define CT_CA9X4_CLCDC (0x10020000)
-#define CT_CA9X4_AXIRAM (0x10060000)
-#define CT_CA9X4_DMC (0x100e0000)
-#define CT_CA9X4_SMC (0x100e1000)
-#define CT_CA9X4_SCC (0x100e2000)
-#define CT_CA9X4_SP804_TIMER (0x100e4000)
-#define CT_CA9X4_SP805_WDT (0x100e5000)
-#define CT_CA9X4_TZPC (0x100e6000)
-#define CT_CA9X4_GPIO (0x100e8000)
-#define CT_CA9X4_FASTAXI (0x100e9000)
-#define CT_CA9X4_SLOWAXI (0x100ea000)
-#define CT_CA9X4_TZASC (0x100ec000)
-#define CT_CA9X4_CORESIGHT (0x10200000)
-#define CT_CA9X4_MPIC (0x1e000000)
-#define CT_CA9X4_SYSTIMER (0x1e004000)
-#define CT_CA9X4_SYSWDT (0x1e007000)
-#define CT_CA9X4_L2CC (0x1e00a000)
-
-#define A9_MPCORE_SCU (CT_CA9X4_MPIC + 0x0000)
-#define A9_MPCORE_GIC_CPU (CT_CA9X4_MPIC + 0x0100)
-#define A9_MPCORE_GIT (CT_CA9X4_MPIC + 0x0200)
-#define A9_MPCORE_TWD (CT_CA9X4_MPIC + 0x0600)
-#define A9_MPCORE_GIC_DIST (CT_CA9X4_MPIC + 0x1000)
-
-/*
- * Interrupts. Those in {} are for AMBA devices
- */
-#define IRQ_CT_CA9X4_CLCDC { 76 }
-#define IRQ_CT_CA9X4_DMC { 0 }
-#define IRQ_CT_CA9X4_SMC { 77, 78 }
-#define IRQ_CT_CA9X4_TIMER0 80
-#define IRQ_CT_CA9X4_TIMER1 81
-#define IRQ_CT_CA9X4_GPIO { 82 }
-#define IRQ_CT_CA9X4_PMU_CPU0 92
-#define IRQ_CT_CA9X4_PMU_CPU1 93
-#define IRQ_CT_CA9X4_PMU_CPU2 94
-#define IRQ_CT_CA9X4_PMU_CPU3 95
-
-extern struct ct_desc ct_ca9x4_desc;
-
-#endif
diff --git a/arch/arm/mach-vexpress/include/mach/hardware.h b/arch/arm/mach-vexpress/include/mach/hardware.h
deleted file mode 100644
index 40a8c17..0000000
--- a/arch/arm/mach-vexpress/include/mach/hardware.h
+++ /dev/null
@@ -1 +0,0 @@
-/* empty */
diff --git a/arch/arm/mach-vexpress/include/mach/irqs.h b/arch/arm/mach-vexpress/include/mach/irqs.h
deleted file mode 100644
index f8f7f78..0000000
--- a/arch/arm/mach-vexpress/include/mach/irqs.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#define IRQ_LOCALTIMER 29
-#define IRQ_LOCALWDOG 30
-
-#ifndef CONFIG_SPARSE_IRQ
-#define NR_IRQS 256
-#endif
diff --git a/arch/arm/mach-vexpress/include/mach/motherboard.h b/arch/arm/mach-vexpress/include/mach/motherboard.h
deleted file mode 100644
index 68abc8b..0000000
--- a/arch/arm/mach-vexpress/include/mach/motherboard.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef __MACH_MOTHERBOARD_H
-#define __MACH_MOTHERBOARD_H
-
-/*
- * Physical addresses, offset from V2M_PA_CS0-3
- */
-#define V2M_NOR0 (V2M_PA_CS0)
-#define V2M_NOR1 (V2M_PA_CS1)
-#define V2M_SRAM (V2M_PA_CS2)
-#define V2M_VIDEO_SRAM (V2M_PA_CS3 + 0x00000000)
-#define V2M_LAN9118 (V2M_PA_CS3 + 0x02000000)
-#define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000)
-
-/*
- * Physical addresses, offset from V2M_PA_CS7
- */
-#define V2M_SYSREGS (V2M_PA_CS7 + 0x00000000)
-#define V2M_SYSCTL (V2M_PA_CS7 + 0x00001000)
-#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + 0x00002000)
-
-#define V2M_AACI (V2M_PA_CS7 + 0x00004000)
-#define V2M_MMCI (V2M_PA_CS7 + 0x00005000)
-#define V2M_KMI0 (V2M_PA_CS7 + 0x00006000)
-#define V2M_KMI1 (V2M_PA_CS7 + 0x00007000)
-
-#define V2M_UART0 (V2M_PA_CS7 + 0x00009000)
-#define V2M_UART1 (V2M_PA_CS7 + 0x0000a000)
-#define V2M_UART2 (V2M_PA_CS7 + 0x0000b000)
-#define V2M_UART3 (V2M_PA_CS7 + 0x0000c000)
-
-#define V2M_WDT (V2M_PA_CS7 + 0x0000f000)
-
-#define V2M_TIMER01 (V2M_PA_CS7 + 0x00011000)
-#define V2M_TIMER23 (V2M_PA_CS7 + 0x00012000)
-
-#define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + 0x00016000)
-#define V2M_RTC (V2M_PA_CS7 + 0x00017000)
-
-#define V2M_CF (V2M_PA_CS7 + 0x0001a000)
-#define V2M_CLCD (V2M_PA_CS7 + 0x0001f000)
-
-
-/*
- * Interrupts. Those in {} are for AMBA devices
- */
-#define IRQ_V2M_WDT { (32 + 0) }
-#define IRQ_V2M_TIMER0 (32 + 2)
-#define IRQ_V2M_TIMER1 (32 + 2)
-#define IRQ_V2M_TIMER2 (32 + 3)
-#define IRQ_V2M_TIMER3 (32 + 3)
-#define IRQ_V2M_RTC { (32 + 4) }
-#define IRQ_V2M_UART0 { (32 + 5) }
-#define IRQ_V2M_UART1 { (32 + 6) }
-#define IRQ_V2M_UART2 { (32 + 7) }
-#define IRQ_V2M_UART3 { (32 + 8) }
-#define IRQ_V2M_MMCI { (32 + 9), (32 + 10) }
-#define IRQ_V2M_AACI { (32 + 11) }
-#define IRQ_V2M_KMI0 { (32 + 12) }
-#define IRQ_V2M_KMI1 { (32 + 13) }
-#define IRQ_V2M_CLCD { (32 + 14) }
-#define IRQ_V2M_LAN9118 (32 + 15)
-#define IRQ_V2M_ISP1761 (32 + 16)
-#define IRQ_V2M_PCIE (32 + 17)
-
-
-/*
- * Core tile IDs
- */
-#define V2M_CT_ID_CA9 0x0c000191
-#define V2M_CT_ID_UNSUPPORTED 0xff000191
-#define V2M_CT_ID_MASK 0xff000fff
-
-struct ct_desc {
- u32 id;
- const char *name;
- void (*map_io)(void);
- void (*init_early)(void);
- void (*init_irq)(void);
- void (*init_tile)(void);
-#ifdef CONFIG_SMP
- void (*init_cpu_map)(void);
- void (*smp_enable)(unsigned int);
-#endif
-};
-
-extern struct ct_desc *ct_desc;
-
-#endif
diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c
index a1f3804..83188cf 100644
--- a/arch/arm/mach-vexpress/platsmp.c
+++ b/arch/arm/mach-vexpress/platsmp.c
@@ -19,48 +19,10 @@
#include <asm/smp_scu.h>
#include <asm/mach/map.h>
-#include <mach/motherboard.h>
-
#include <plat/platsmp.h>
#include "core.h"
-/*
- * Initialise the CPU possible map early - this describes the CPUs
- * which may be present or become present in the system.
- */
-static void __init vexpress_smp_init_cpus(void)
-{
- ct_desc->init_cpu_map();
-}
-
-static void __init vexpress_smp_prepare_cpus(unsigned int max_cpus)
-{
- /*
- * Initialise the present map, which describes the set of CPUs
- * actually populated at the present time.
- */
- ct_desc->smp_enable(max_cpus);
-
- /*
- * Write the address of secondary startup into the
- * system-wide flags register. The boot monitor waits
- * until it receives a soft interrupt, and then the
- * secondary CPU branches to this address.
- */
- vexpress_flags_set(virt_to_phys(versatile_secondary_startup));
-}
-
-struct smp_operations __initdata vexpress_smp_ops = {
- .smp_init_cpus = vexpress_smp_init_cpus,
- .smp_prepare_cpus = vexpress_smp_prepare_cpus,
- .smp_secondary_init = versatile_secondary_init,
- .smp_boot_secondary = versatile_boot_secondary,
-#ifdef CONFIG_HOTPLUG_CPU
- .cpu_die = vexpress_cpu_die,
-#endif
-};
-
bool __init vexpress_smp_init_ops(void)
{
#ifdef CONFIG_MCPM
@@ -79,8 +41,6 @@ bool __init vexpress_smp_init_ops(void)
return false;
}
-#if defined(CONFIG_OF)
-
static const struct of_device_id vexpress_smp_dt_scu_match[] __initconst = {
{ .compatible = "arm,cortex-a5-scu", },
{ .compatible = "arm,cortex-a9-scu", },
@@ -112,5 +72,3 @@ struct smp_operations __initdata vexpress_smp_dt_ops = {
.cpu_die = vexpress_cpu_die,
#endif
};
-
-#endif
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 6ff681a..a0400f4 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -1,380 +1,7 @@
-/*
- * Versatile Express V2M Motherboard Support
- */
-#include <linux/device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/mmci.h>
-#include <linux/io.h>
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/of_address.h>
-#include <linux/of_fdt.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/ata_platform.h>
-#include <linux/smsc911x.h>
-#include <linux/spinlock.h>
-#include <linux/usb/isp1760.h>
-#include <linux/mtd/physmap.h>
-#include <linux/regulator/fixed.h>
-#include <linux/regulator/machine.h>
-#include <linux/vexpress.h>
-#include <linux/clkdev.h>
-
-#include <asm/mach-types.h>
-#include <asm/sizes.h>
#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-#include <asm/hardware/arm_timer.h>
-#include <asm/hardware/cache-l2x0.h>
-#include <asm/hardware/timer-sp.h>
-
-#include <mach/ct-ca9x4.h>
-#include <mach/motherboard.h>
-
-#include <plat/sched_clock.h>
-#include <plat/platsmp.h>
#include "core.h"
-#define V2M_PA_CS0 0x40000000
-#define V2M_PA_CS1 0x44000000
-#define V2M_PA_CS2 0x48000000
-#define V2M_PA_CS3 0x4c000000
-#define V2M_PA_CS7 0x10000000
-
-static struct map_desc v2m_io_desc[] __initdata = {
- {
- .virtual = V2M_PERIPH,
- .pfn = __phys_to_pfn(V2M_PA_CS7),
- .length = SZ_128K,
- .type = MT_DEVICE,
- },
-};
-
-static void __init v2m_sp804_init(void __iomem *base, unsigned int irq)
-{
- if (WARN_ON(!base || irq == NO_IRQ))
- return;
-
- sp804_clocksource_init(base + TIMER_2_BASE, "v2m-timer1");
- sp804_clockevents_init(base + TIMER_1_BASE, irq, "v2m-timer0");
-}
-
-
-static struct resource v2m_pcie_i2c_resource = {
- .start = V2M_SERIAL_BUS_PCI,
- .end = V2M_SERIAL_BUS_PCI + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device v2m_pcie_i2c_device = {
- .name = "versatile-i2c",
- .id = 0,
- .num_resources = 1,
- .resource = &v2m_pcie_i2c_resource,
-};
-
-static struct resource v2m_ddc_i2c_resource = {
- .start = V2M_SERIAL_BUS_DVI,
- .end = V2M_SERIAL_BUS_DVI + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device v2m_ddc_i2c_device = {
- .name = "versatile-i2c",
- .id = 1,
- .num_resources = 1,
- .resource = &v2m_ddc_i2c_resource,
-};
-
-static struct resource v2m_eth_resources[] = {
- {
- .start = V2M_LAN9118,
- .end = V2M_LAN9118 + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = IRQ_V2M_LAN9118,
- .end = IRQ_V2M_LAN9118,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct smsc911x_platform_config v2m_eth_config = {
- .flags = SMSC911X_USE_32BIT,
- .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
- .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
- .phy_interface = PHY_INTERFACE_MODE_MII,
-};
-
-static struct platform_device v2m_eth_device = {
- .name = "smsc911x",
- .id = -1,
- .resource = v2m_eth_resources,
- .num_resources = ARRAY_SIZE(v2m_eth_resources),
- .dev.platform_data = &v2m_eth_config,
-};
-
-static struct regulator_consumer_supply v2m_eth_supplies[] = {
- REGULATOR_SUPPLY("vddvario", "smsc911x"),
- REGULATOR_SUPPLY("vdd33a", "smsc911x"),
-};
-
-static struct resource v2m_usb_resources[] = {
- {
- .start = V2M_ISP1761,
- .end = V2M_ISP1761 + SZ_128K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = IRQ_V2M_ISP1761,
- .end = IRQ_V2M_ISP1761,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct isp1760_platform_data v2m_usb_config = {
- .is_isp1761 = true,
- .bus_width_16 = false,
- .port1_otg = true,
- .analog_oc = false,
- .dack_polarity_high = false,
- .dreq_polarity_high = false,
-};
-
-static struct platform_device v2m_usb_device = {
- .name = "isp1760",
- .id = -1,
- .resource = v2m_usb_resources,
- .num_resources = ARRAY_SIZE(v2m_usb_resources),
- .dev.platform_data = &v2m_usb_config,
-};
-
-static struct physmap_flash_data v2m_flash_data = {
- .width = 4,
-};
-
-static struct resource v2m_flash_resources[] = {
- {
- .start = V2M_NOR0,
- .end = V2M_NOR0 + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = V2M_NOR1,
- .end = V2M_NOR1 + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device v2m_flash_device = {
- .name = "physmap-flash",
- .id = -1,
- .resource = v2m_flash_resources,
- .num_resources = ARRAY_SIZE(v2m_flash_resources),
- .dev.platform_data = &v2m_flash_data,
-};
-
-static struct pata_platform_info v2m_pata_data = {
- .ioport_shift = 2,
-};
-
-static struct resource v2m_pata_resources[] = {
- {
- .start = V2M_CF,
- .end = V2M_CF + 0xff,
- .flags = IORESOURCE_MEM,
- }, {
- .start = V2M_CF + 0x100,
- .end = V2M_CF + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device v2m_cf_device = {
- .name = "pata_platform",
- .id = -1,
- .resource = v2m_pata_resources,
- .num_resources = ARRAY_SIZE(v2m_pata_resources),
- .dev.platform_data = &v2m_pata_data,
-};
-
-static struct mmci_platform_data v2m_mmci_data = {
- .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
- .status = vexpress_get_mci_cardin,
- .gpio_cd = -1,
- .gpio_wp = -1,
-};
-
-static struct resource v2m_sysreg_resources[] = {
- {
- .start = V2M_SYSREGS,
- .end = V2M_SYSREGS + 0xfff,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device v2m_sysreg_device = {
- .name = "vexpress-sysreg",
- .id = -1,
- .resource = v2m_sysreg_resources,
- .num_resources = ARRAY_SIZE(v2m_sysreg_resources),
-};
-
-static struct platform_device v2m_muxfpga_device = {
- .name = "vexpress-muxfpga",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 7),
- }
-};
-
-static struct platform_device v2m_shutdown_device = {
- .name = "vexpress-shutdown",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 8),
- }
-};
-
-static struct platform_device v2m_reboot_device = {
- .name = "vexpress-reboot",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 9),
- }
-};
-
-static struct platform_device v2m_dvimode_device = {
- .name = "vexpress-dvimode",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 11),
- }
-};
-
-static AMBA_APB_DEVICE(aaci, "mb:aaci", 0, V2M_AACI, IRQ_V2M_AACI, NULL);
-static AMBA_APB_DEVICE(mmci, "mb:mmci", 0, V2M_MMCI, IRQ_V2M_MMCI, &v2m_mmci_data);
-static AMBA_APB_DEVICE(kmi0, "mb:kmi0", 0, V2M_KMI0, IRQ_V2M_KMI0, NULL);
-static AMBA_APB_DEVICE(kmi1, "mb:kmi1", 0, V2M_KMI1, IRQ_V2M_KMI1, NULL);
-static AMBA_APB_DEVICE(uart0, "mb:uart0", 0, V2M_UART0, IRQ_V2M_UART0, NULL);
-static AMBA_APB_DEVICE(uart1, "mb:uart1", 0, V2M_UART1, IRQ_V2M_UART1, NULL);
-static AMBA_APB_DEVICE(uart2, "mb:uart2", 0, V2M_UART2, IRQ_V2M_UART2, NULL);
-static AMBA_APB_DEVICE(uart3, "mb:uart3", 0, V2M_UART3, IRQ_V2M_UART3, NULL);
-static AMBA_APB_DEVICE(wdt, "mb:wdt", 0, V2M_WDT, IRQ_V2M_WDT, NULL);
-static AMBA_APB_DEVICE(rtc, "mb:rtc", 0, V2M_RTC, IRQ_V2M_RTC, NULL);
-
-static struct amba_device *v2m_amba_devs[] __initdata = {
- &aaci_device,
- &mmci_device,
- &kmi0_device,
- &kmi1_device,
- &uart0_device,
- &uart1_device,
- &uart2_device,
- &uart3_device,
- &wdt_device,
- &rtc_device,
-};
-
-static void __init v2m_timer_init(void)
-{
- vexpress_clk_init(ioremap(V2M_SYSCTL, SZ_4K));
- v2m_sp804_init(ioremap(V2M_TIMER01, SZ_4K), IRQ_V2M_TIMER0);
-}
-
-static void __init v2m_init_early(void)
-{
- if (ct_desc->init_early)
- ct_desc->init_early();
- versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
-}
-
-struct ct_desc *ct_desc;
-
-static struct ct_desc *ct_descs[] __initdata = {
-#ifdef CONFIG_ARCH_VEXPRESS_CA9X4
- &ct_ca9x4_desc,
-#endif
-};
-
-static void __init v2m_populate_ct_desc(void)
-{
- int i;
- u32 current_tile_id;
-
- ct_desc = NULL;
- current_tile_id = vexpress_get_procid(VEXPRESS_SITE_MASTER)
- & V2M_CT_ID_MASK;
-
- for (i = 0; i < ARRAY_SIZE(ct_descs) && !ct_desc; ++i)
- if (ct_descs[i]->id == current_tile_id)
- ct_desc = ct_descs[i];
-
- if (!ct_desc)
- panic("vexpress: this kernel does not support core tile ID 0x%08x when booting via ATAGs.\n"
- "You may need a device tree blob or a different kernel to boot on this board.\n",
- current_tile_id);
-}
-
-static void __init v2m_map_io(void)
-{
- iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
- vexpress_sysreg_early_init(ioremap(V2M_SYSREGS, SZ_4K));
- v2m_populate_ct_desc();
- ct_desc->map_io();
-}
-
-static void __init v2m_init_irq(void)
-{
- ct_desc->init_irq();
-}
-
-static void __init v2m_init(void)
-{
- int i;
-
- regulator_register_fixed(0, v2m_eth_supplies,
- ARRAY_SIZE(v2m_eth_supplies));
-
- platform_device_register(&v2m_sysreg_device);
- platform_device_register(&v2m_pcie_i2c_device);
- platform_device_register(&v2m_ddc_i2c_device);
- platform_device_register(&v2m_flash_device);
- platform_device_register(&v2m_cf_device);
- platform_device_register(&v2m_eth_device);
- platform_device_register(&v2m_usb_device);
-
- for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
- amba_device_register(v2m_amba_devs[i], &iomem_resource);
-
- vexpress_syscfg_device_register(&v2m_muxfpga_device);
- vexpress_syscfg_device_register(&v2m_shutdown_device);
- vexpress_syscfg_device_register(&v2m_reboot_device);
- vexpress_syscfg_device_register(&v2m_dvimode_device);
-
- ct_desc->init_tile();
-}
-
-MACHINE_START(VEXPRESS, "ARM-Versatile Express")
- .atag_offset = 0x100,
- .smp = smp_ops(vexpress_smp_ops),
- .map_io = v2m_map_io,
- .init_early = v2m_init_early,
- .init_irq = v2m_init_irq,
- .init_time = v2m_timer_init,
- .init_machine = v2m_init,
-MACHINE_END
-
-static void __init v2m_dt_init(void)
-{
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-}
-
static const char * const v2m_dt_match[] __initconst = {
"arm,vexpress",
NULL,
@@ -386,5 +13,4 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
.l2c_aux_mask = 0xfe0fffff,
.smp = smp_ops(vexpress_smp_dt_ops),
.smp_init = smp_init_ops(vexpress_smp_init_ops),
- .init_machine = v2m_dt_init,
MACHINE_END
diff --git a/arch/arm/plat-versatile/Kconfig b/arch/arm/plat-versatile/Kconfig
index a301ca2..49b8ef9 100644
--- a/arch/arm/plat-versatile/Kconfig
+++ b/arch/arm/plat-versatile/Kconfig
@@ -4,6 +4,6 @@ config PLAT_VERSATILE_CLOCK
bool
config PLAT_VERSATILE_SCHED_CLOCK
- def_bool y
+ bool
endif
diff --git a/drivers/clk/versatile/Makefile b/drivers/clk/versatile/Makefile
index 162e519..8ff0374 100644
--- a/drivers/clk/versatile/Makefile
+++ b/drivers/clk/versatile/Makefile
@@ -2,6 +2,5 @@
obj-$(CONFIG_ICST) += clk-icst.o clk-versatile.o
obj-$(CONFIG_INTEGRATOR_IMPD1) += clk-impd1.o
obj-$(CONFIG_ARCH_REALVIEW) += clk-realview.o
-obj-$(CONFIG_ARCH_VEXPRESS) += clk-vexpress.o
obj-$(CONFIG_CLK_SP810) += clk-sp810.o
obj-$(CONFIG_CLK_VEXPRESS_OSC) += clk-vexpress-osc.o
diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c
index 529a59c..765f1e0 100644
--- a/drivers/clk/versatile/clk-vexpress-osc.c
+++ b/drivers/clk/versatile/clk-vexpress-osc.c
@@ -70,7 +70,6 @@ static struct clk_ops vexpress_osc_ops = {
static int vexpress_osc_probe(struct platform_device *pdev)
{
- struct clk_lookup *cl = pdev->dev.platform_data; /* Non-DT lookup */
struct clk_init_data init;
struct vexpress_osc *osc;
struct clk *clk;
@@ -106,12 +105,6 @@ static int vexpress_osc_probe(struct platform_device *pdev)
of_clk_add_provider(pdev->dev.of_node, of_clk_src_simple_get, clk);
- /* Only happens for non-DT cases */
- if (cl) {
- cl->clk = clk;
- clkdev_add(cl);
- }
-
dev_dbg(&pdev->dev, "Registered clock '%s'\n", init.name);
return 0;
diff --git a/drivers/clk/versatile/clk-vexpress.c b/drivers/clk/versatile/clk-vexpress.c
deleted file mode 100644
index 2d5e1b4..0000000
--- a/drivers/clk/versatile/clk-vexpress.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2012 ARM Limited
- */
-
-#include <linux/amba/sp810.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/err.h>
-#include <linux/vexpress.h>
-
-static struct clk *vexpress_sp810_timerclken[4];
-static DEFINE_SPINLOCK(vexpress_sp810_lock);
-
-static void __init vexpress_sp810_init(void __iomem *base)
-{
- int i;
-
- if (WARN_ON(!base))
- return;
-
- for (i = 0; i < ARRAY_SIZE(vexpress_sp810_timerclken); i++) {
- char name[12];
- const char *parents[] = {
- "v2m:refclk32khz", /* REFCLK */
- "v2m:refclk1mhz" /* TIMCLK */
- };
-
- snprintf(name, ARRAY_SIZE(name), "timerclken%d", i);
-
- vexpress_sp810_timerclken[i] = clk_register_mux(NULL, name,
- parents, 2, CLK_SET_RATE_NO_REPARENT,
- base + SCCTRL, SCCTRL_TIMERENnSEL_SHIFT(i), 1,
- 0, &vexpress_sp810_lock);
-
- if (WARN_ON(IS_ERR(vexpress_sp810_timerclken[i])))
- break;
- }
-}
-
-
-static const char * const vexpress_clk_24mhz_periphs[] __initconst = {
- "mb:uart0", "mb:uart1", "mb:uart2", "mb:uart3",
- "mb:mmci", "mb:kmi0", "mb:kmi1"
-};
-
-void __init vexpress_clk_init(void __iomem *sp810_base)
-{
- struct clk *clk;
- int i;
-
- clk = clk_register_fixed_rate(NULL, "dummy_apb_pclk", NULL,
- CLK_IS_ROOT, 0);
- WARN_ON(clk_register_clkdev(clk, "apb_pclk", NULL));
-
- clk = clk_register_fixed_rate(NULL, "v2m:clk_24mhz", NULL,
- CLK_IS_ROOT, 24000000);
- for (i = 0; i < ARRAY_SIZE(vexpress_clk_24mhz_periphs); i++)
- WARN_ON(clk_register_clkdev(clk, NULL,
- vexpress_clk_24mhz_periphs[i]));
-
- clk = clk_register_fixed_rate(NULL, "v2m:refclk32khz", NULL,
- CLK_IS_ROOT, 32768);
- WARN_ON(clk_register_clkdev(clk, NULL, "v2m:wdt"));
-
- clk = clk_register_fixed_rate(NULL, "v2m:refclk1mhz", NULL,
- CLK_IS_ROOT, 1000000);
-
- vexpress_sp810_init(sp810_base);
-
- for (i = 0; i < ARRAY_SIZE(vexpress_sp810_timerclken); i++)
- WARN_ON(clk_set_parent(vexpress_sp810_timerclken[i], clk));
-
- WARN_ON(clk_register_clkdev(vexpress_sp810_timerclken[0],
- "v2m-timer0", "sp804"));
- WARN_ON(clk_register_clkdev(vexpress_sp810_timerclken[1],
- "v2m-timer1", "sp804"));
-}
diff --git a/drivers/misc/vexpress-syscfg.c b/drivers/misc/vexpress-syscfg.c
index b3a8123..c344483 100644
--- a/drivers/misc/vexpress-syscfg.c
+++ b/drivers/misc/vexpress-syscfg.c
@@ -145,7 +145,7 @@ static struct regmap_config vexpress_syscfg_regmap_config = {
static struct regmap *vexpress_syscfg_regmap_init(struct device *dev,
void *context)
{
- struct platform_device *pdev = to_platform_device(dev);
+ int err;
struct vexpress_syscfg *syscfg = context;
struct vexpress_syscfg_func *func;
struct property *prop;
@@ -155,32 +155,18 @@ static struct regmap *vexpress_syscfg_regmap_init(struct device *dev,
u32 site, position, dcc;
int i;
- if (dev->of_node) {
- int err = vexpress_config_get_topo(dev->of_node, &site,
+ err = vexpress_config_get_topo(dev->of_node, &site,
&position, &dcc);
+ if (err)
+ return ERR_PTR(err);
- if (err)
- return ERR_PTR(err);
-
- prop = of_find_property(dev->of_node,
- "arm,vexpress-sysreg,func", NULL);
- if (!prop)
- return ERR_PTR(-EINVAL);
-
- num = prop->length / sizeof(u32) / 2;
- val = prop->value;
- } else {
- if (pdev->num_resources != 1 ||
- pdev->resource[0].flags != IORESOURCE_BUS)
- return ERR_PTR(-EFAULT);
-
- site = pdev->resource[0].start;
- if (site == VEXPRESS_SITE_MASTER)
- site = vexpress_config_get_master();
- position = 0;
- dcc = 0;
- num = 1;
- }
+ prop = of_find_property(dev->of_node,
+ "arm,vexpress-sysreg,func", NULL);
+ if (!prop)
+ return ERR_PTR(-EINVAL);
+
+ num = prop->length / sizeof(u32) / 2;
+ val = prop->value;
/*
* "arm,vexpress-energy" function used to be described
@@ -207,13 +193,8 @@ static struct regmap *vexpress_syscfg_regmap_init(struct device *dev,
for (i = 0; i < num; i++) {
u32 function, device;
- if (dev->of_node) {
- function = be32_to_cpup(val++);
- device = be32_to_cpup(val++);
- } else {
- function = pdev->resource[0].end;
- device = pdev->id;
- }
+ function = be32_to_cpup(val++);
+ device = be32_to_cpup(val++);
dev_dbg(dev, "func %p: %u/%u/%u/%u/%u\n",
func, site, position, dcc,
@@ -265,17 +246,6 @@ static struct vexpress_config_bridge_ops vexpress_syscfg_bridge_ops = {
};
-/* Non-DT hack, to be gone... */
-static struct device *vexpress_syscfg_bridge;
-
-int vexpress_syscfg_device_register(struct platform_device *pdev)
-{
- pdev->dev.parent = vexpress_syscfg_bridge;
-
- return platform_device_register(pdev);
-}
-
-
static int vexpress_syscfg_probe(struct platform_device *pdev)
{
struct vexpress_syscfg *syscfg;
@@ -303,10 +273,6 @@ static int vexpress_syscfg_probe(struct platform_device *pdev)
if (IS_ERR(bridge))
return PTR_ERR(bridge);
- /* Non-DT case */
- if (!pdev->dev.of_node)
- vexpress_syscfg_bridge = bridge;
-
return 0;
}
diff --git a/include/linux/vexpress.h b/include/linux/vexpress.h
index a4c9547..f8e76e0 100644
--- a/include/linux/vexpress.h
+++ b/include/linux/vexpress.h
@@ -15,8 +15,6 @@
#define _LINUX_VEXPRESS_H
#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/reboot.h>
#include <linux/regmap.h>
#define VEXPRESS_SITE_MB 0
@@ -24,13 +22,6 @@
#define VEXPRESS_SITE_DB2 2
#define VEXPRESS_SITE_MASTER 0xf
-#define VEXPRESS_RES_FUNC(_site, _func) \
-{ \
- .start = (_site), \
- .end = (_func), \
- .flags = IORESOURCE_BUS, \
-}
-
/* Config infrastructure */
void vexpress_config_set_master(u32 site);
@@ -58,16 +49,6 @@ struct regmap *devm_regmap_init_vexpress_config(struct device *dev);
/* Platform control */
-unsigned int vexpress_get_mci_cardin(struct device *dev);
-u32 vexpress_get_procid(int site);
-void *vexpress_get_24mhz_clock_base(void);
void vexpress_flags_set(u32 data);
-void vexpress_sysreg_early_init(void __iomem *base);
-int vexpress_syscfg_device_register(struct platform_device *pdev);
-
-/* Clocks */
-
-void vexpress_clk_init(void __iomem *sp810_base);
-
#endif
--
2.1.0
--
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