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-rw-r--r--arch/arm/Kconfig.debug14
-rw-r--r--arch/arm/configs/mmp2_defconfig5
-rw-r--r--arch/arm/configs/pxa910_defconfig4
-rw-r--r--arch/arm/mach-mmp/include/mach/debug-macro.S12
4 files changed, 31 insertions, 4 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f15f82bf3a50..0919191b8aa5 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -224,6 +224,20 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX6Q UART4.
+ config DEBUG_MMP_UART2
+ bool "Kernel low-level debugging message via MMP UART2"
+ depends on ARCH_MMP
+ help
+ Say Y here if you want kernel low-level debugging support
+ on MMP UART2.
+
+ config DEBUG_MMP_UART3
+ bool "Kernel low-level debugging message via MMP UART3"
+ depends on ARCH_MMP
+ help
+ Say Y here if you want kernel low-level debugging support
+ on MMP UART3.
+
config DEBUG_MSM_UART1
bool "Kernel low-level debugging messages via MSM UART1"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
diff --git a/arch/arm/configs/mmp2_defconfig b/arch/arm/configs/mmp2_defconfig
index 5a584520db2f..f1cb95e58af0 100644
--- a/arch/arm/configs/mmp2_defconfig
+++ b/arch/arm/configs/mmp2_defconfig
@@ -16,7 +16,7 @@ CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="root=/dev/nfs rootfstype=nfs nfsroot=192.168.1.100:/nfsroot/ ip=192.168.1.101:192.168.1.100::255.255.255.0::eth0:on console=ttyS2,38400 mem=128M user_debug=255"
+CONFIG_CMDLINE="root=/dev/nfs rootfstype=nfs nfsroot=192.168.1.100:/nfsroot/ ip=192.168.1.101:192.168.1.100::255.255.255.0::eth0:on console=ttyS2,38400 mem=128M user_debug=255 earlyprintk"
CONFIG_VFP=y
CONFIG_NET=y
CONFIG_PACKET=y
@@ -90,6 +90,9 @@ CONFIG_DEBUG_INFO=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_DYNAMIC_DEBUG is not set
CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_MMP_UART3=y
+CONFIG_EARLY_PRINTK=y
CONFIG_DEBUG_ERRORS=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRC_CCITT=y
diff --git a/arch/arm/configs/pxa910_defconfig b/arch/arm/configs/pxa910_defconfig
index 1cd381e1d47d..191118caa5c0 100644
--- a/arch/arm/configs/pxa910_defconfig
+++ b/arch/arm/configs/pxa910_defconfig
@@ -17,7 +17,7 @@ CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="root=/dev/nfs rootfstype=nfs nfsroot=192.168.2.100:/nfsroot/ ip=192.168.2.101:192.168.2.100::255.255.255.0::eth0:on console=ttyS0,115200 mem=128M"
+CONFIG_CMDLINE="root=/dev/nfs rootfstype=nfs nfsroot=192.168.2.100:/nfsroot/ ip=192.168.2.101:192.168.2.100::255.255.255.0::eth0:on console=ttyS0,115200 mem=128M earlyprintk"
CONFIG_FPE_NWFPE=y
CONFIG_NET=y
CONFIG_PACKET=y
@@ -66,5 +66,7 @@ CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_USER=y
CONFIG_DEBUG_ERRORS=y
CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_MMP_UART2=y
+CONFIG_EARLY_PRINTK=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRC_CCITT=y
diff --git a/arch/arm/mach-mmp/include/mach/debug-macro.S b/arch/arm/mach-mmp/include/mach/debug-macro.S
index b6f14d203c25..5c3cc29688ab 100644
--- a/arch/arm/mach-mmp/include/mach/debug-macro.S
+++ b/arch/arm/mach-mmp/include/mach/debug-macro.S
@@ -9,13 +9,21 @@
* published by the Free Software Foundation.
*/
+#if defined(CONFIG_DEBUG_MMP_UART2)
+#define MMP_UART_OFFSET 0x00017000
+#elif defined(CONFIG_DEBUG_MMP_UART3)
+#define MMP_UART_OFFSET 0x00018000
+#else
+#error "Select uart for DEBUG_LL"
+#endif
+
#include <mach/addr-map.h>
.macro addruart, rp, rv, tmp
ldr \rp, =APB_PHYS_BASE @ physical
ldr \rv, =APB_VIRT_BASE @ virtual
- orr \rp, \rp, #0x00017000
- orr \rv, \rv, #0x00017000
+ orr \rp, \rp, #MMP_UART_OFFSET
+ orr \rv, \rv, #MMP_UART_OFFSET
.endm
#define UART_SHIFT 2