ARM: vexpress: convert to multi-platform
Convert vexpress to multi-platform. This always enables vexpress DT and makes it the default v7 platform. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Pawel Moll <pawel.moll@arm.com>
This commit is contained in:
Rob Herring
Родитель
387798b37c
Коммит
617276307c
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@ -319,24 +319,6 @@ config ARCH_VERSATILE
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help
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This enables support for ARM Ltd Versatile board.
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config ARCH_VEXPRESS
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bool "ARM Ltd. Versatile Express family"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_AMBA
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select ARM_TIMER_SP804
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select CLKDEV_LOOKUP
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select COMMON_CLK
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select GENERIC_CLOCKEVENTS
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select HAVE_CLK
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select HAVE_PATA_PLATFORM
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select ICST
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select NO_IOPORT
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select PLAT_VERSATILE
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select PLAT_VERSATILE_CLCD
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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help
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This enables support for the ARM Ltd Versatile Express boards.
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config ARCH_AT91
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bool "Atmel AT91"
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select ARCH_REQUIRE_GPIOLIB
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@ -1016,6 +998,7 @@ config ARCH_MULTI_V6
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config ARCH_MULTI_V7
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bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)"
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select CPU_V7
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select ARCH_VEXPRESS
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default y
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select ARCH_MULTI_V6_V7
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@ -1,3 +1,38 @@
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config ARCH_VEXPRESS
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bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_AMBA
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select ARM_GIC
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select ARM_TIMER_SP804
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select CLKDEV_LOOKUP
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select COMMON_CLK
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select CPU_V7
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select GENERIC_CLOCKEVENTS
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select HAVE_CLK
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select HAVE_PATA_PLATFORM
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select HAVE_SMP
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select ICST
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select MIGHT_HAVE_CACHE_L2X0
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select NO_IOPORT
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select PLAT_VERSATILE
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select PLAT_VERSATILE_CLCD
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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help
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This option enables support for systems using Cortex processor based
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ARM core and logic (FPGA) tiles on the Versatile Express motherboard,
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for example:
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- CoreTile Express A5x2 (V2P-CA5s)
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- CoreTile Express A9x4 (V2P-CA9)
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- CoreTile Express A15x2 (V2P-CA15)
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- LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs
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(Soft Macrocell Models)
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- Versatile Express RTSMs (Models)
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You must boot using a Flattened Device Tree in order to use these
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platforms. The traditional (ATAGs) boot method is not usable on
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these boards with this option.
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menu "Versatile Express platform type"
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depends on ARCH_VEXPRESS
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@ -15,40 +50,5 @@ config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
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config ARCH_VEXPRESS_CA9X4
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bool "Versatile Express Cortex-A9x4 tile"
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select ARM_GIC
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select CPU_V7
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select HAVE_SMP
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select MIGHT_HAVE_CACHE_L2X0
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config ARCH_VEXPRESS_DT
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bool "Device Tree support for Versatile Express platforms"
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select ARM_GIC
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select ARM_PATCH_PHYS_VIRT
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select AUTO_ZRELADDR
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select CPU_V7
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select HAVE_SMP
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select MIGHT_HAVE_CACHE_L2X0
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select USE_OF
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help
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New Versatile Express platforms require Flattened Device Tree to
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be passed to the kernel.
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This option enables support for systems using Cortex processor based
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ARM core and logic (FPGA) tiles on the Versatile Express motherboard,
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for example:
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- CoreTile Express A5x2 (V2P-CA5s)
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- CoreTile Express A9x4 (V2P-CA9)
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- CoreTile Express A15x2 (V2P-CA15)
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- LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs
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(Soft Macrocell Models)
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- Versatile Express RTSMs (Models)
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You must boot using a Flattened Device Tree in order to use these
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platforms. The traditional (ATAGs) boot method is not usable on
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these boards with this option.
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If your bootloader supports Flattened Device Tree based booting,
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say Y here.
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endmenu
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@ -1,6 +1,8 @@
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#
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# Makefile for the linux kernel.
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#
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ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
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-I$(srctree)/arch/arm/plat-versatile/include
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obj-y := v2m.o
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obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
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@ -1,5 +0,0 @@
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# Those numbers are used only by the non-DT V2P-CA9 platform
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# The DT-enabled ones require CONFIG_AUTO_ZRELADDR=y
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zreladdr-y += 0x60008000
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params_phys-y := 0x60000100
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initrd_phys-y := 0x60800000
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@ -1,23 +0,0 @@
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/*
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* arch/arm/mach-vexpress/include/mach/timex.h
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*
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* RealView architecture timex specifications
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*
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* Copyright (C) 2003 ARM Limited
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define CLOCK_TICK_RATE (50000000 / 16)
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@ -1,86 +0,0 @@
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/*
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* arch/arm/mach-vexpress/include/mach/uncompress.h
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*
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* Copyright (C) 2003 ARM Limited
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
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#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
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#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
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#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
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#define UART_BASE 0x10009000
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#define UART_BASE_RS1 0x1c090000
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static unsigned long get_uart_base(void)
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{
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#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
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unsigned long mpcore_periph;
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/*
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* Make an educated guess regarding the memory map:
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* - the original A9 core tile, which has MPCore peripherals
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* located at 0x1e000000, should use UART at 0x10009000
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* - all other (RS1 complaint) tiles use UART mapped
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* at 0x1c090000
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*/
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asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (mpcore_periph));
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if (mpcore_periph == 0x1e000000)
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return UART_BASE;
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else
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return UART_BASE_RS1;
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#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
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return UART_BASE;
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#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
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return UART_BASE_RS1;
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#else
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return 0;
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#endif
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}
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/*
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* This does not append a newline
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*/
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static inline void putc(int c)
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{
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unsigned long base = get_uart_base();
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if (!base)
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return;
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while (AMBA_UART_FR(base) & (1 << 5))
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barrier();
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AMBA_UART_DR(base) = c;
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}
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static inline void flush(void)
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{
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unsigned long base = get_uart_base();
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if (!base)
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return;
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while (AMBA_UART_FR(base) & (1 << 3))
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barrier();
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}
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/*
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* nothing to do
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*/
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#define arch_decomp_setup()
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#define arch_decomp_wdog()
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@ -539,8 +539,6 @@ MACHINE_START(VEXPRESS, "ARM-Versatile Express")
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.restart = v2m_restart,
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MACHINE_END
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#if defined(CONFIG_ARCH_VEXPRESS_DT)
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static struct map_desc v2m_rs1_io_desc __initdata = {
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.virtual = V2M_PERIPH,
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.pfn = __phys_to_pfn(0x1c000000),
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@ -671,5 +669,3 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
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.handle_irq = gic_handle_irq,
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.restart = v2m_restart,
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MACHINE_END
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#endif
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@ -1,3 +1,5 @@
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ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
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obj-$(CONFIG_PLAT_VERSATILE_CLOCK) += clock.o
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obj-$(CONFIG_PLAT_VERSATILE_CLCD) += clcd.o
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obj-$(CONFIG_PLAT_VERSATILE_FPGA_IRQ) += fpga-irq.o
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