Merge tag 'regmap-3.11' of git://git.infradead.org/users/jcooper/linux into next/soc

mvebu register map changes for v3.11

This series removes the hardcoded register base address for mvebu.

Depends:
 - mvebu/fixes-non-critical (up to tags/fixes-non-3.11-1)
 - mvebu/cleanup (up to tags/cleanup-3.11-3)

* tag 'regmap-3.11' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: disable DEBUG_LL/EARLY_PRINTK in defconfig
  arm: mvebu: add another earlyprintk Kconfig option
  arm: mvebu: don't hardcode the physical address for mvebu-mbus
  arm: mvebu: don't hardcode a physical address in headsmp.S
  arm: mvebu: remove hardcoded static I/O mapping
  arm: mvebu: move cache and mvebu-mbus initialization later
  arm: mvebu: avoid hardcoded virtual address in coherency code
  arm: mvebu: remove dependency of SMP init on static I/O mapping
  arm: mvebu: fix length of Ethernet registers area in .dtsi
  arm: mvebu: fix length of SATA registers area in .dtsi
  arm: mvebu: mark functions of armada-370-xp.c as static
  ARM: mvebu: Remove init_irq declaration in machine description
  ARM: Orion: Remove redundant init_dma_coherent_pool_size()

Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 28 insertions, 2 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1d41908d5cda..e6a6ab1b10d7 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -303,12 +303,37 @@ choice
 		  their output to the serial port on MSM 8960 devices.
 
 	config DEBUG_MVEBU_UART
-		bool "Kernel low-level debugging messages via MVEBU UART"
+		bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)"
 		depends on ARCH_MVEBU
 		help
 		  Say Y here if you want kernel low-level debugging support
 		  on MVEBU based platforms.
 
+		  This option should be used with the old bootloaders
+		  that left the internal registers mapped at
+		  0xd0000000. As of today, this is the case on
+		  platforms such as the Globalscale Mirabox or the
+		  Plathome OpenBlocks AX3, when using the original
+		  bootloader.
+
+		  If the wrong DEBUG_MVEBU_UART* option is selected,
+		  when u-boot hands over to the kernel, the system
+		  silently crashes, with no serial output at all.
+
+	config DEBUG_MVEBU_UART_ALTERNATE
+		bool "Kernel low-level debugging messages via MVEBU UART (new bootloaders)"
+		depends on ARCH_MVEBU
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on MVEBU based platforms.
+
+		  This option should be used with the new bootloaders
+		  that remap the internal registers at 0xf1000000.
+
+		  If the wrong DEBUG_MVEBU_UART* option is selected,
+		  when u-boot hands over to the kernel, the system
+		  silently crashes, with no serial output at all.
+
 	config DEBUG_NOMADIK_UART
 		bool "Kernel low-level debugging messages via NOMADIK UART"
 		depends on ARCH_NOMADIK
@@ -632,7 +657,8 @@ config DEBUG_LL_INCLUDE
 				 DEBUG_IMX51_UART || \
 				 DEBUG_IMX53_UART ||\
 				 DEBUG_IMX6Q_UART
-	default "debug/mvebu.S" if DEBUG_MVEBU_UART
+	default "debug/mvebu.S" if DEBUG_MVEBU_UART || \
+				   DEBUG_MVEBU_UART_ALTERNATE
 	default "debug/mxs.S" if DEBUG_IMX23_UART || DEBUG_IMX28_UART
 	default "debug/nomadik.S" if DEBUG_NOMADIK_UART
 	default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART