From: Rob Herring Date: Thu, 6 Sep 2012 18:43:04 +0000 (-0500) Subject: ARM: vexpress: convert to multi-platform X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=617276307cd4cdb9a95c77efaa3063695af63aa7;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git 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 Cc: Pawel Moll --- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ebaf08849f96..16773aa39513 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -319,24 +319,6 @@ config ARCH_VERSATILE help This enables support for ARM Ltd Versatile board. -config ARCH_VEXPRESS - bool "ARM Ltd. Versatile Express family" - select ARCH_WANT_OPTIONAL_GPIOLIB - select ARM_AMBA - select ARM_TIMER_SP804 - select CLKDEV_LOOKUP - select COMMON_CLK - select GENERIC_CLOCKEVENTS - select HAVE_CLK - select HAVE_PATA_PLATFORM - select ICST - select NO_IOPORT - select PLAT_VERSATILE - select PLAT_VERSATILE_CLCD - select REGULATOR_FIXED_VOLTAGE if REGULATOR - help - This enables support for the ARM Ltd Versatile Express boards. - config ARCH_AT91 bool "Atmel AT91" select ARCH_REQUIRE_GPIOLIB @@ -1016,6 +998,7 @@ config ARCH_MULTI_V6 config ARCH_MULTI_V7 bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)" select CPU_V7 + select ARCH_VEXPRESS default y select ARCH_MULTI_V6_V7 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 c6dd8918b9ed..000000000000 --- a/arch/arm/mach-vexpress/Makefile.boot +++ /dev/null @@ -1,5 +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 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/v2m.c b/arch/arm/mach-vexpress/v2m.c index 37608f22ee31..2ca86c50174d 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -539,8 +539,6 @@ 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), @@ -671,5 +669,3 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express") .handle_irq = gic_handle_irq, .restart = v2m_restart, MACHINE_END - -#endif diff --git a/arch/arm/plat-versatile/Makefile b/arch/arm/plat-versatile/Makefile index 272769a8a7d6..74cfd94cbf80 100644 --- a/arch/arm/plat-versatile/Makefile +++ b/arch/arm/plat-versatile/Makefile @@ -1,3 +1,5 @@ +ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include + obj-$(CONFIG_PLAT_VERSATILE_CLOCK) += clock.o obj-$(CONFIG_PLAT_VERSATILE_CLCD) += clcd.o obj-$(CONFIG_PLAT_VERSATILE_FPGA_IRQ) += fpga-irq.o