Merge branches 'cross-platform/debug_ll' and 'cross-platform/cpu-mapping' into next/cross-platform
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 81cbe40..5bc7814 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -65,13 +65,176 @@
# These options are only for real kernel hackers who want to get their hands dirty.
config DEBUG_LL
- bool "Kernel low-level debugging functions"
+ bool "Kernel low-level debugging functions (read help!)"
depends on DEBUG_KERNEL
help
Say Y here to include definitions of printascii, printch, printhex
in the kernel. This is helpful if you are debugging code that
executes before the console is initialized.
+ Note that selecting this option will limit the kernel to a single
+ UART definition, as specified below. Attempting to boot the kernel
+ image on a different platform *will not work*, so this option should
+ not be enabled for kernels that are intended to be portable.
+
+choice
+ prompt "Kernel low-level debugging port"
+ depends on DEBUG_LL
+
+ config DEBUG_LL_UART_NONE
+ bool "No low-level debugging UART"
+ help
+ Say Y here if your platform doesn't provide a UART option
+ below. This relies on your platform choosing the right UART
+ definition internally in order for low-level debugging to
+ work.
+
+ config DEBUG_ICEDCC
+ bool "Kernel low-level debugging via EmbeddedICE DCC channel"
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the EmbeddedICE macrocell's DCC channel using
+ co-processor 14. This is known to work on the ARM9 style ICE
+ channel and on the XScale with the PEEDI.
+
+ Note that the system will appear to hang during boot if there
+ is nothing connected to read from the DCC.
+
+ config DEBUG_FOOTBRIDGE_COM1
+ bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
+ depends on FOOTBRIDGE
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the 8250 at PCI COM1.
+
+ config DEBUG_DC21285_PORT
+ bool "Kernel low-level debugging messages via footbridge serial port"
+ depends on FOOTBRIDGE
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the serial port in the DC21285 (Footbridge).
+
+ config DEBUG_CLPS711X_UART1
+ bool "Kernel low-level debugging messages via UART1"
+ depends on ARCH_CLPS711X
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the first serial port on these devices.
+
+ config DEBUG_CLPS711X_UART2
+ bool "Kernel low-level debugging messages via UART2"
+ depends on ARCH_CLPS711X
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the second serial port on these devices.
+
+ config DEBUG_IMX1_UART
+ bool "i.MX1 Debug UART"
+ depends on SOC_IMX1
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX1.
+
+ config DEBUG_IMX23_UART
+ bool "i.MX23 Debug UART"
+ depends on SOC_IMX23
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX23.
+
+ config DEBUG_IMX25_UART
+ bool "i.MX25 Debug UART"
+ depends on SOC_IMX25
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX25.
+
+ config DEBUG_IMX21_IMX27_UART
+ bool "i.MX21 and i.MX27 Debug UART"
+ depends on SOC_IMX21 || SOC_IMX27
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX21 or i.MX27.
+
+ config DEBUG_IMX28_UART
+ bool "i.MX28 Debug UART"
+ depends on SOC_IMX28
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX28.
+
+ config DEBUG_IMX31_IMX35_UART
+ bool "i.MX31 and i.MX35 Debug UART"
+ depends on SOC_IMX31 || SOC_IMX35
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX31 or i.MX35.
+
+ config DEBUG_IMX51_UART
+ bool "i.MX51 Debug UART"
+ depends on SOC_IMX51
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX51.
+
+ config DEBUG_IMX50_IMX53_UART
+ bool "i.MX50 and i.MX53 Debug UART"
+ depends on SOC_IMX50 || SOC_IMX53
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX50 or i.MX53.
+
+ config DEBUG_S3C_UART0
+ depends on PLAT_SAMSUNG
+ bool "Use S3C UART 0 for low-level debug"
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to UART 0. The port must have been initialised
+ by the boot-loader before use.
+
+ The uncompressor code port configuration is now handled
+ by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+ config DEBUG_S3C_UART1
+ depends on PLAT_SAMSUNG
+ bool "Use S3C UART 1 for low-level debug"
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to UART 1. The port must have been initialised
+ by the boot-loader before use.
+
+ The uncompressor code port configuration is now handled
+ by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+ config DEBUG_S3C_UART2
+ depends on PLAT_SAMSUNG
+ bool "Use S3C UART 2 for low-level debug"
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to UART 2. The port must have been initialised
+ by the boot-loader before use.
+
+ The uncompressor code port configuration is now handled
+ by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+ config DEBUG_REALVIEW_STD_PORT
+ bool "RealView Default UART"
+ depends on ARCH_REALVIEW
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the serial port on RealView EB, PB11MP, PBA8
+ and PBX platforms.
+
+ config DEBUG_REALVIEW_PB1176_PORT
+ bool "RealView PB1176 UART"
+ depends on MACH_REALVIEW_PB1176
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the standard serial port on the RealView
+ PB1176 platform.
+
+endchoice
+
config EARLY_PRINTK
bool "Early printk"
depends on DEBUG_LL
@@ -80,18 +243,6 @@
kernel low-level debugging functions. Add earlyprintk to your
kernel parameters to enable this console.
-config DEBUG_ICEDCC
- bool "Kernel low-level debugging via EmbeddedICE DCC channel"
- depends on DEBUG_LL
- help
- Say Y here if you want the debug print routines to direct their
- output to the EmbeddedICE macrocell's DCC channel using
- co-processor 14. This is known to work on the ARM9 style ICE
- channel and on the XScale with the PEEDI.
-
- It does include a timeout to ensure that the system does not
- totally freeze when there is nothing connected to read.
-
config OC_ETM
bool "On-chip ETM and ETB"
select ARM_AMBA
@@ -100,33 +251,4 @@
buffer driver that will allow you to collect traces of the
kernel code.
-config DEBUG_DC21285_PORT
- bool "Kernel low-level debugging messages via footbridge serial port"
- depends on DEBUG_LL && FOOTBRIDGE
- help
- Say Y here if you want the debug print routines to direct their
- output to the serial port in the DC21285 (Footbridge). Saying N
- will cause the debug messages to appear on the first 16550
- serial port.
-
-config DEBUG_CLPS711X_UART2
- bool "Kernel low-level debugging messages via UART2"
- depends on DEBUG_LL && ARCH_CLPS711X
- help
- Say Y here if you want the debug print routines to direct their
- output to the second serial port on these devices. Saying N will
- cause the debug messages to appear on the first serial port.
-
-config DEBUG_S3C_UART
- depends on PLAT_SAMSUNG
- int "S3C UART to use for low-level debug"
- default "0"
- help
- Choice for UART for kernel low-level using S3C UARTS,
- should be between zero and two. The port must have been
- initialised by the boot-loader before use.
-
- The uncompressor code port configuration is now handled
- by CONFIG_S3C_LOWLEVEL_UART_PORT.
-
endmenu
diff --git a/arch/arm/mach-mxs/include/mach/debug-macro.S b/arch/arm/mach-mxs/include/mach/debug-macro.S
index 79650a1..6d98704 100644
--- a/arch/arm/mach-mxs/include/mach/debug-macro.S
+++ b/arch/arm/mach-mxs/include/mach/debug-macro.S
@@ -14,17 +14,9 @@
#include <mach/mx23.h>
#include <mach/mx28.h>
-#ifdef CONFIG_SOC_IMX23
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#ifdef CONFIG_DEBUG_IMX23_UART
#define UART_PADDR MX23_DUART_BASE_ADDR
-#endif
-
-#ifdef CONFIG_SOC_IMX28
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX28_UART)
#define UART_PADDR MX28_DUART_BASE_ADDR
#endif
diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S
index 90b687c..0f38722 100644
--- a/arch/arm/mach-realview/include/mach/debug-macro.S
+++ b/arch/arm/mach-realview/include/mach/debug-macro.S
@@ -10,23 +10,10 @@
* published by the Free Software Foundation.
*/
-#if defined(CONFIG_MACH_REALVIEW_EB) || \
- defined(CONFIG_MACH_REALVIEW_PB11MP) || \
- defined(CONFIG_MACH_REALVIEW_PBA8) || \
- defined(CONFIG_MACH_REALVIEW_PBX)
-#ifndef DEBUG_LL_UART_OFFSET
+#ifdef CONFIG_DEBUG_REALVIEW_STD_PORT
#define DEBUG_LL_UART_OFFSET 0x00009000
-#elif DEBUG_LL_UART_OFFSET != 0x00009000
-#warning "DEBUG_LL_UART_OFFSET already defined to a different value"
-#endif
-#endif
-
-#ifdef CONFIG_MACH_REALVIEW_PB1176
-#ifndef DEBUG_LL_UART_OFFSET
+#elif defined(CONFIG_DEBUG_REALVIEW_PB1176_PORT)
#define DEBUG_LL_UART_OFFSET 0x0010c000
-#elif DEBUG_LL_UART_OFFSET != 0x0010c000
-#warning "DEBUG_LL_UART_OFFSET already defined to a different value"
-#endif
#endif
#ifndef DEBUG_LL_UART_OFFSET
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index e4dde91..07cfdbe 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -12,43 +12,17 @@
*/
#include <mach/hardware.h>
-#ifdef CONFIG_SOC_IMX1
+#ifdef CONFIG_DEBUG_IMX1_UART
#define UART_PADDR MX1_UART1_BASE_ADDR
-#endif
-
-#ifdef CONFIG_SOC_IMX25
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX25_UART)
#define UART_PADDR MX25_UART1_BASE_ADDR
-#endif
-
-#if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27)
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
#define UART_PADDR MX2x_UART1_BASE_ADDR
-#endif
-
-#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
#define UART_PADDR MX3x_UART1_BASE_ADDR
-#endif
-
-#ifdef CONFIG_SOC_IMX51
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX51_UART)
#define UART_PADDR MX51_UART1_BASE_ADDR
-#endif
-
-/* iMX50/53 have same addresses, but not iMX51 */
-#if defined(CONFIG_SOC_IMX50) || defined(CONFIG_SOC_IMX53)
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
#define UART_PADDR MX53_UART1_BASE_ADDR
#endif
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index b3e1065..49b14b1 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -367,4 +367,11 @@
help
Say Y here if you want to control Power Domain by Runtime PM.
+config DEBUG_S3C_UART
+ depends on PLAT_SAMSUNG
+ int
+ default "0" if DEBUG_S3C_UART0
+ default "1" if DEBUG_S3C_UART1
+ default "2" if DEBUG_S3C_UART2
+
endif
