ARM: debug: add support for word accesses to debug/8250.S
Add 32-bit word access support to debug/8250.S and convert Picoxcell
and SoCFPGA to this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f27f8ee..09e7009 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -451,6 +451,7 @@
config DEBUG_PICOXCELL_UART
depends on ARCH_PICOXCELL
bool "Use PicoXcell UART for low-level debug"
+ select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on PicoXcell based platforms.
@@ -593,6 +594,7 @@
config DEBUG_SOCFPGA_UART
depends on ARCH_SOCFPGA
bool "Use SOCFPGA UART for low-level debug"
+ select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on SOCFPGA based platforms.
@@ -851,9 +853,7 @@
default "debug/nomadik.S" if DEBUG_NOMADIK_UART
default "debug/nspire.S" if DEBUG_NSPIRE_CX_UART
default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
- default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART
default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1
- default "debug/socfpga.S" if DEBUG_SOCFPGA_UART
default "debug/sti.S" if DEBUG_STI_UART
default "debug/tegra.S" if DEBUG_TEGRA_UART
default "debug/u300.S" if DEBUG_U300_UART
@@ -886,6 +886,7 @@
default 0x40100000 if DEBUG_PXA_UART1
default 0x42000000 if ARCH_GEMINI
default 0x7c0003f8 if FOOTBRIDGE
+ default 0x80230000 if DEBUG_PICOXCELL_UART
default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART
default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
@@ -897,6 +898,7 @@
default 0xf1012000 if ARCH_DOVE || ARCH_KIRKWOOD || ARCH_MV78XX0 || \
ARCH_ORION5X
default 0xfe800000 if ARCH_IOP32X
+ default 0xffc02000 if DEBUG_SOCFPGA_UART
default 0xffd82340 if ARCH_IOP13XX
default 0xfffff700 if ARCH_IOP33X
depends on DEBUG_UART_8250
@@ -915,6 +917,7 @@
default 0xfe012000 if ARCH_ORION5X
default 0xfe017000 if DEBUG_MMP_UART2
default 0xfe018000 if DEBUG_MMP_UART3
+ default 0xfe230000 if DEBUG_PICOXCELL_UART
default 0xfe800000 if ARCH_IOP32X
default 0xfeb24000 if DEBUG_RK3X_UART0
default 0xfeb26000 if DEBUG_RK3X_UART1
@@ -922,6 +925,7 @@
default 0xfed60000 if DEBUG_RK29_UART0
default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
+ default 0xfec02000 if DEBUG_SOCFPGA_UART
default 0xfed12000 if ARCH_KIRKWOOD
default 0xfee003f8 if FOOTBRIDGE
default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART
@@ -937,6 +941,12 @@
default 0 if FOOTBRIDGE || ARCH_IOP32X
default 2
+config DEBUG_UART_8250_WORD
+ bool "Use 32-bit accesses for 8250 UART"
+ depends on DEBUG_UART_8250
+ depends on DEBUG_UART_8250_SHIFT >= 2
+ default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART
+
config DEBUG_UART_8250_FLOW_CONTROL
bool "Enable flow control for 8250 UART"
depends on DEBUG_UART_8250