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-rw-r--r--arch/arm/mach-vexpress/Kconfig64
-rw-r--r--arch/arm/mach-vexpress/Makefile2
-rw-r--r--arch/arm/mach-vexpress/Makefile.boot10
-rw-r--r--arch/arm/mach-vexpress/core.h4
-rw-r--r--arch/arm/mach-vexpress/ct-ca9x4.c1
-rw-r--r--arch/arm/mach-vexpress/hotplug.c18
-rw-r--r--arch/arm/mach-vexpress/include/mach/debug-macro.S84
-rw-r--r--arch/arm/mach-vexpress/include/mach/gpio.h1
-rw-r--r--arch/arm/mach-vexpress/include/mach/irqs.h2
-rw-r--r--arch/arm/mach-vexpress/include/mach/timex.h23
-rw-r--r--arch/arm/mach-vexpress/include/mach/uncompress.h86
-rw-r--r--arch/arm/mach-vexpress/platsmp.c18
-rw-r--r--arch/arm/mach-vexpress/v2m.c8
13 files changed, 60 insertions, 261 deletions
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index fc3730f01650..c95296066203 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -1,38 +1,23 @@
-menu "Versatile Express platform type"
- depends on ARCH_VEXPRESS
-
-config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
- bool "Enable A5 and A9 only errata work-arounds"
- default y
- select ARM_ERRATA_720789
- select ARM_ERRATA_751472
- select PL310_ERRATA_753970 if CACHE_PL310
- help
- Provides common dependencies for Versatile Express platforms
- based on Cortex-A5 and Cortex-A9 processors. In order to
- 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"
- select ARM_GIC
- select CPU_V7
- select HAVE_SMP
- select MIGHT_HAVE_CACHE_L2X0
-
-config ARCH_VEXPRESS_DT
- bool "Device Tree support for Versatile Express platforms"
+config ARCH_VEXPRESS
+ bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7
+ select ARCH_WANT_OPTIONAL_GPIOLIB
+ select ARM_AMBA
select ARM_GIC
- select ARM_PATCH_PHYS_VIRT
- select AUTO_ZRELADDR
+ select ARM_TIMER_SP804
+ select CLKDEV_LOOKUP
+ select COMMON_CLK
select CPU_V7
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CLK
+ select HAVE_PATA_PLATFORM
select HAVE_SMP
+ select ICST
select MIGHT_HAVE_CACHE_L2X0
- select USE_OF
+ select NO_IOPORT
+ select PLAT_VERSATILE
+ select PLAT_VERSATILE_CLCD
+ select REGULATOR_FIXED_VOLTAGE if REGULATOR
help
- New Versatile Express platforms require Flattened Device Tree to
- be passed to the kernel.
-
This option enables support for systems using Cortex processor based
ARM core and logic (FPGA) tiles on the Versatile Express motherboard,
for example:
@@ -48,7 +33,22 @@ config ARCH_VEXPRESS_DT
platforms. The traditional (ATAGs) boot method is not usable on
these boards with this option.
- If your bootloader supports Flattened Device Tree based booting,
- say Y here.
+menu "Versatile Express platform type"
+ depends on ARCH_VEXPRESS
+
+config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
+ bool "Enable A5 and A9 only errata work-arounds"
+ default y
+ select ARM_ERRATA_720789
+ select ARM_ERRATA_751472
+ select PL310_ERRATA_753970 if CACHE_PL310
+ help
+ Provides common dependencies for Versatile Express platforms
+ based on Cortex-A5 and Cortex-A9 processors. In order to
+ 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"
endmenu
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 90551b9780ab..42703e8b4d3b 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -1,6 +1,8 @@
#
# Makefile for the linux kernel.
#
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
+ -I$(srctree)/arch/arm/plat-versatile/include
obj-y := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
diff --git a/arch/arm/mach-vexpress/Makefile.boot b/arch/arm/mach-vexpress/Makefile.boot
deleted file mode 100644
index 318d308dfb93..000000000000
--- a/arch/arm/mach-vexpress/Makefile.boot
+++ /dev/null
@@ -1,10 +0,0 @@
-# Those numbers are used only by the non-DT V2P-CA9 platform
-# The DT-enabled ones require CONFIG_AUTO_ZRELADDR=y
- zreladdr-y += 0x60008000
-params_phys-y := 0x60000100
-initrd_phys-y := 0x60800000
-
-dtb-$(CONFIG_ARCH_VEXPRESS_DT) += vexpress-v2p-ca5s.dtb \
- vexpress-v2p-ca9.dtb \
- vexpress-v2p-ca15-tc1.dtb \
- vexpress-v2p-ca15_a7.dtb
diff --git a/arch/arm/mach-vexpress/core.h b/arch/arm/mach-vexpress/core.h
index a3a4980770bd..f134cd4a85f1 100644
--- a/arch/arm/mach-vexpress/core.h
+++ b/arch/arm/mach-vexpress/core.h
@@ -5,3 +5,7 @@
#define V2T_PERIPH 0xf8200000
void vexpress_dt_smp_map_io(void);
+
+extern struct smp_operations vexpress_smp_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
index e4073a60a864..4f471fa3e3c5 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -26,6 +26,7 @@
#include "core.h"
#include <mach/motherboard.h>
+#include <mach/irqs.h>
#include <plat/clcd.h>
diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c
index c504a72b94d6..a141b98d84fe 100644
--- a/arch/arm/mach-vexpress/hotplug.c
+++ b/arch/arm/mach-vexpress/hotplug.c
@@ -16,8 +16,6 @@
#include <asm/smp_plat.h>
#include <asm/cp15.h>
-extern volatile int pen_release;
-
static inline void cpu_enter_lowpower(void)
{
unsigned int v;
@@ -84,17 +82,12 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
}
}
-int platform_cpu_kill(unsigned int cpu)
-{
- return 1;
-}
-
/*
* platform-specific code to shutdown a CPU
*
* Called with IRQs disabled
*/
-void platform_cpu_die(unsigned int cpu)
+void __ref vexpress_cpu_die(unsigned int cpu)
{
int spurious = 0;
@@ -113,12 +106,3 @@ void platform_cpu_die(unsigned int cpu)
if (spurious)
pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
}
-
-int platform_cpu_disable(unsigned int cpu)
-{
- /*
- * we don't allow CPU 0 to be shutdown (it is still too special
- * e.g. clock tick interrupts)
- */
- return cpu == 0 ? -EPERM : 0;
-}
diff --git a/arch/arm/mach-vexpress/include/mach/debug-macro.S b/arch/arm/mach-vexpress/include/mach/debug-macro.S
deleted file mode 100644
index 9f509f55d078..000000000000
--- a/arch/arm/mach-vexpress/include/mach/debug-macro.S
+++ /dev/null
@@ -1,84 +0,0 @@
-/* arch/arm/mach-realview/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- * Copyright (C) 1994-1999 Russell King
- * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * 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.
- */
-
-#define DEBUG_LL_PHYS_BASE 0x10000000
-#define DEBUG_LL_UART_OFFSET 0x00009000
-
-#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
-#define DEBUG_LL_UART_OFFSET_RS1 0x00090000
-
-#define DEBUG_LL_VIRT_BASE 0xf8000000
-
-#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
-
- .macro addruart,rp,rv,tmp
-
- @ Make an educated guess regarding the memory map:
- @ - the original A9 core tile, which has MPCore peripherals
- @ located at 0x1e000000, should use UART at 0x10009000
- @ - all other (RS1 complaint) tiles use UART mapped
- @ at 0x1c090000
- mrc p15, 4, \tmp, c15, c0, 0
- cmp \tmp, #0x1e000000
-
- @ Original memory map
- moveq \rp, #DEBUG_LL_UART_OFFSET
- orreq \rv, \rp, #DEBUG_LL_VIRT_BASE
- orreq \rp, \rp, #DEBUG_LL_PHYS_BASE
-
- @ RS1 memory map
- movne \rp, #DEBUG_LL_UART_OFFSET_RS1
- orrne \rv, \rp, #DEBUG_LL_VIRT_BASE
- orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
-
- .endm
-
-#include <asm/hardware/debug-pl01x.S>
-
-#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
-
- .macro addruart,rp,rv,tmp
- mov \rp, #DEBUG_LL_UART_OFFSET
- orr \rv, \rp, #DEBUG_LL_VIRT_BASE
- orr \rp, \rp, #DEBUG_LL_PHYS_BASE
- .endm
-
-#include <asm/hardware/debug-pl01x.S>
-
-#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
-
- .macro addruart,rp,rv,tmp
- mov \rp, #DEBUG_LL_UART_OFFSET_RS1
- orr \rv, \rp, #DEBUG_LL_VIRT_BASE
- orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
- .endm
-
-#include <asm/hardware/debug-pl01x.S>
-
-#else /* CONFIG_DEBUG_LL_UART_NONE */
-
- .macro addruart, rp, rv, tmp
- /* Safe dummy values */
- mov \rp, #0
- mov \rv, #DEBUG_LL_VIRT_BASE
- .endm
-
- .macro senduart,rd,rx
- .endm
-
- .macro waituart,rd,rx
- .endm
-
- .macro busyuart,rd,rx
- .endm
-
-#endif
diff --git a/arch/arm/mach-vexpress/include/mach/gpio.h b/arch/arm/mach-vexpress/include/mach/gpio.h
deleted file mode 100644
index 40a8c178f10d..000000000000
--- a/arch/arm/mach-vexpress/include/mach/gpio.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
index 4b10ee7657a6..f8f7f782eb55 100644
--- a/arch/arm/mach-vexpress/include/mach/irqs.h
+++ b/arch/arm/mach-vexpress/include/mach/irqs.h
@@ -1,4 +1,6 @@
#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/timex.h b/arch/arm/mach-vexpress/include/mach/timex.h
deleted file mode 100644
index 00029bacd43c..000000000000
--- a/arch/arm/mach-vexpress/include/mach/timex.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * arch/arm/mach-vexpress/include/mach/timex.h
- *
- * RealView architecture timex specifications
- *
- * Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#define CLOCK_TICK_RATE (50000000 / 16)
diff --git a/arch/arm/mach-vexpress/include/mach/uncompress.h b/arch/arm/mach-vexpress/include/mach/uncompress.h
deleted file mode 100644
index 1e472eb0bbdc..000000000000
--- a/arch/arm/mach-vexpress/include/mach/uncompress.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * arch/arm/mach-vexpress/include/mach/uncompress.h
- *
- * Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
-#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
-#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
-#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
-
-#define UART_BASE 0x10009000
-#define UART_BASE_RS1 0x1c090000
-
-static unsigned long get_uart_base(void)
-{
-#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
- unsigned long mpcore_periph;
-
- /*
- * Make an educated guess regarding the memory map:
- * - the original A9 core tile, which has MPCore peripherals
- * located at 0x1e000000, should use UART at 0x10009000
- * - all other (RS1 complaint) tiles use UART mapped
- * at 0x1c090000
- */
- asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (mpcore_periph));
-
- if (mpcore_periph == 0x1e000000)
- return UART_BASE;
- else
- return UART_BASE_RS1;
-#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
- return UART_BASE;
-#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
- return UART_BASE_RS1;
-#else
- return 0;
-#endif
-}
-
-/*
- * This does not append a newline
- */
-static inline void putc(int c)
-{
- unsigned long base = get_uart_base();
-
- if (!base)
- return;
-
- while (AMBA_UART_FR(base) & (1 << 5))
- barrier();
-
- AMBA_UART_DR(base) = c;
-}
-
-static inline void flush(void)
-{
- unsigned long base = get_uart_base();
-
- if (!base)
- return;
-
- while (AMBA_UART_FR(base) & (1 << 3))
- barrier();
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()
-#define arch_decomp_wdog()
diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c
index 14ba1128ae8d..7db27c8c05cc 100644
--- a/arch/arm/mach-vexpress/platsmp.c
+++ b/arch/arm/mach-vexpress/platsmp.c
@@ -20,9 +20,9 @@
#include <mach/motherboard.h>
-#include "core.h"
+#include <plat/platsmp.h>
-extern void versatile_secondary_startup(void);
+#include "core.h"
#if defined(CONFIG_OF)
@@ -167,7 +167,7 @@ void __init vexpress_dt_smp_prepare_cpus(unsigned int max_cpus)
* Initialise the CPU possible map early - this describes the CPUs
* which may be present or become present in the system.
*/
-void __init smp_init_cpus(void)
+static void __init vexpress_smp_init_cpus(void)
{
if (ct_desc)
ct_desc->init_cpu_map();
@@ -176,7 +176,7 @@ void __init smp_init_cpus(void)
}
-void __init platform_smp_prepare_cpus(unsigned int max_cpus)
+static void __init vexpress_smp_prepare_cpus(unsigned int max_cpus)
{
/*
* Initialise the present map, which describes the set of CPUs
@@ -195,3 +195,13 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
*/
v2m_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
+};
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 37608f22ee31..5f6b7d543e55 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -5,6 +5,7 @@
#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>
@@ -38,6 +39,7 @@
#include <mach/motherboard.h>
#include <plat/sched_clock.h>
+#include <plat/platsmp.h>
#include "core.h"
@@ -530,6 +532,7 @@ static void __init v2m_init(void)
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,
@@ -539,8 +542,6 @@ MACHINE_START(VEXPRESS, "ARM-Versatile Express")
.restart = v2m_restart,
MACHINE_END
-#if defined(CONFIG_ARCH_VEXPRESS_DT)
-
static struct map_desc v2m_rs1_io_desc __initdata = {
.virtual = V2M_PERIPH,
.pfn = __phys_to_pfn(0x1c000000),
@@ -663,6 +664,7 @@ const static char *v2m_dt_match[] __initconst = {
DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
.dt_compat = v2m_dt_match,
+ .smp = smp_ops(vexpress_smp_ops),
.map_io = v2m_dt_map_io,
.init_early = v2m_dt_init_early,
.init_irq = v2m_dt_init_irq,
@@ -671,5 +673,3 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
.handle_irq = gic_handle_irq,
.restart = v2m_restart,
MACHINE_END
-
-#endif