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- From 4ac4324dcdaf237aa34545b3795acb2e5c42d10e Mon Sep 17 00:00:00 2001
- From: Waldemar Brodkorb <wbx@openadk.org>
- Date: Fri, 1 Feb 2019 11:36:20 +0100
- Subject: [PATCH] arm-versatile-nommu: Linux patch
- Originally made by Waldemar Brodkorb <wbx@openadk.org> from LKML.
- Signed-Off-by: Waldemar Brodkorb <wbx@openadk.org>
- [Gerome: reformated as a Git patch]
- Signed-off-by: Gerome Burlats <gerome.burlats@smile.fr>
- [Romain: fix Waldemar's authorship in Git patch]
- Signed-off-by: Romain Naour <romain.naour@smile.fr>
- ---
- arch/arm/Kconfig | 11 +++++++++++
- arch/arm/Kconfig.debug | 3 ++-
- arch/arm/include/asm/mach/map.h | 1 +
- arch/arm/mach-versatile/Kconfig | 5 +++--
- arch/arm/mach-versatile/Makefile.boot | 3 +++
- arch/arm/mach-versatile/versatile_dt.c | 4 ++++
- 6 files changed, 24 insertions(+), 3 deletions(-)
- create mode 100644 arch/arm/mach-versatile/Makefile.boot
- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
- index e8cd55a5b04c..fc2dbff70394 100644
- --- a/arch/arm/Kconfig
- +++ b/arch/arm/Kconfig
- @@ -353,6 +353,17 @@ config ARM_SINGLE_ARMV7M
- select SPARSE_IRQ
- select USE_OF
-
- +config ARM_SINGLE_ARCH_VERSATILE
- + bool "ARM Ltd. Versatile family"
- + depends on !MMU
- + select AUTO_ZRELADDR
- + select CLKSRC_OF
- + select COMMON_CLK
- + select GENERIC_CLOCKEVENTS
- + select GPIOLIB
- + select SPARSE_IRQ
- + select USE_OF
- +
- config ARCH_EBSA110
- bool "EBSA-110"
- select ARCH_USES_GETTIMEOFFSET
- diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
- index f6fcb8a79889..92fc637d3db8 100644
- --- a/arch/arm/Kconfig.debug
- +++ b/arch/arm/Kconfig.debug
- @@ -1843,7 +1843,8 @@ config DEBUG_UNCOMPRESS
- config UNCOMPRESS_INCLUDE
- string
- default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
- - PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
- + PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
- + ARM_SINGLE_ARCH_VERSATILE
- default "mach/uncompress.h"
-
- config EARLY_PRINTK
- diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
- index 9b7c328fb207..b1fe9c8b5c3e 100644
- --- a/arch/arm/include/asm/mach/map.h
- +++ b/arch/arm/include/asm/mach/map.h
- @@ -62,6 +62,7 @@ extern int ioremap_page(unsigned long virt, unsigned long phys,
- #else
- #define iotable_init(map,num) do { } while (0)
- #define vm_reserve_area_early(a,s,c) do { } while (0)
- +#define debug_ll_io_init() do { } while (0)
- #endif
-
- #endif
- diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig
- index f5c275434d6c..06ad999d5978 100644
- --- a/arch/arm/mach-versatile/Kconfig
- +++ b/arch/arm/mach-versatile/Kconfig
- @@ -1,7 +1,8 @@
- # SPDX-License-Identifier: GPL-2.0
- config ARCH_VERSATILE
- - bool "ARM Ltd. Versatile family"
- - depends on ARCH_MULTI_V5
- + bool "ARM Ltd. Versatile family" if ARCH_MULTI_V5
- + depends on ARCH_MULTI_V5 || ARM_SINGLE_ARCH_VERSATILE
- + default y if ARM_SINGLE_ARCH_VERSATILE
- select ARM_AMBA
- select ARM_TIMER_SP804
- select ARM_VIC
- diff --git a/arch/arm/mach-versatile/Makefile.boot b/arch/arm/mach-versatile/Makefile.boot
- new file mode 100644
- index 000000000000..eacfc3f5c33e
- --- /dev/null
- +++ b/arch/arm/mach-versatile/Makefile.boot
- @@ -0,0 +1,3 @@
- +# Empty file waiting for deletion once Makefile.boot isn't needed any more.
- +# Patch waits for application at
- +# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .
- diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c
- index 3c8d39c12909..8cfa05a37295 100644
- --- a/arch/arm/mach-versatile/versatile_dt.c
- +++ b/arch/arm/mach-versatile/versatile_dt.c
- @@ -37,7 +37,11 @@
- #include <asm/mach/map.h>
-
- /* macro to get at MMIO space when running virtually */
- +#ifdef CONFIG_MMU
- #define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
- +#else
- +#define IO_ADDRESS(x) (x)
- +#endif
- #define __io_address(n) ((void __iomem __force *)IO_ADDRESS(n))
-
- /*
- --
- 2.14.5
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