redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Merge branch 'board' of git://github.com/hzhuang1/linux into next/boards 

* 'board' of git://github.com/hzhuang1/linux:
  ARM: mmp: enable debug uart port in defconfig
  ARM: mmp: implement DEBUG_LL port choice
hifive-unleashed-5.1
Olof Johansson 2012-09-12 22:37:04 -07:00
parent f46e374c1e ec9b22eebb
commit 3b164b7b52
4 changed files with 31 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/Kconfig.debug
View File

@ -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

5
arch/arm/configs/mmp2_defconfig
View File

@ -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

4
arch/arm/configs/pxa910_defconfig
View File

@ -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

12
arch/arm/mach-mmp/include/mach/debug-macro.S
View File

@ -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