ARM: SPEAr3xx: Add device-tree support to SPEAr3xx architecture

This patch adds a generic target for SPEAr3xx machines that can be configured
via the device-tree. Currently the following devices are supported via the
devicetree:

- VIC interrupts
- PL011 UART
- PL061 GPIO
- PL110 CLCD
- SP805 WDT
- Synopsys DW I2C
- Synopsys DW ethernet
- ST FSMC-NAND
- ST SPEAR-SMI
- ST SPEAR-KEYBOARD
- ST SPEAR-RTC
- ARASAN SDHCI-SPEAR
- SPEAR-EHCI
- SPEAR-OHCI

Other peripheral devices will follow in later patches.

This also removes IO_ADDRESS macro and creates 16 MB static mappings instead of
4K for individual peripherals. This is done to have efficient TLB lookup for any
I/O windows that are located closely together. ioremap() on this range will
return this mapping only instead of creating another.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>

1 files changed, 7 insertions, 27 deletions

diff --git a/arch/arm/mach-spear3xx/Kconfig b/arch/arm/mach-spear3xx/Kconfig
index 2cee6b0de371..d9fe11cb6f16 100644
--- a/arch/arm/mach-spear3xx/Kconfig
+++ b/arch/arm/mach-spear3xx/Kconfig
@@ -5,39 +5,19 @@
 if ARCH_SPEAR3XX
 
 menu "SPEAr3xx Implementations"
-config BOARD_SPEAR300_EVB
-        bool "SPEAr300 Evaluation Board"
-        select MACH_SPEAR300
-        help
-          Supports ST SPEAr300 Evaluation Board
-
-config BOARD_SPEAR310_EVB
-        bool "SPEAr310 Evaluation Board"
-        select MACH_SPEAR310
-        help
-          Supports ST SPEAr310 Evaluation Board
-
-config BOARD_SPEAR320_EVB
-        bool "SPEAr320 Evaluation Board"
-        select MACH_SPEAR320
-        help
-          Supports ST SPEAr320 Evaluation Board
-
-endmenu
-
 config MACH_SPEAR300
-        bool "SPEAr300"
+        bool "SPEAr300 Machine support with Device Tree"
         help
-          Supports ST SPEAr300 Machine
+          Supports ST SPEAr300 machine configured via the device-tree
 
 config MACH_SPEAR310
-        bool "SPEAr310"
+        bool "SPEAr310 Machine support with Device Tree"
         help
-          Supports ST SPEAr310 Machine
+          Supports ST SPEAr310 machine configured via the device-tree
 
 config MACH_SPEAR320
-        bool "SPEAr320"
+        bool "SPEAr320 Machine support with Device Tree"
         help
-          Supports ST SPEAr320 Machine
-
+          Supports ST SPEAr320 machine configured via the device-tree
+endmenu
 endif #ARCH_SPEAR3XX