[U-Boot] [PATCH] powerpc/mpc85xx:Enable debugger support to missed e500v2 SoC

Prabhakar Kushwaha prabhakar at freescale.com
Wed Aug 15 16:12:43 CEST 2012


Freescale's e500v1 and e500v2 cores (used in mpc85xx chips) have some
restrictions on external debugging (JTAG). Need to define define 
CONFIG_SYS_PPC_E500_DEBUG_TLB to enable a temporary TLB entry to be
used during boot to work around the limitations.

Enable missed e500v2 SoC i.e. MPC8536, MPC8544, MPC8548 and MPC8572 for 
debug support.

Signed-off-by: Radu Lazarescu <radu.lazarescu at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Cc: Tang Yuantian <Yuantian.Tang at freescale.com>
---
 Based upon git://git.denx.de/u-boot.git (branch master)

 arch/powerpc/include/asm/config_mpc85xx.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index b6c44bb..dd69837 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -37,6 +37,7 @@
 #if defined(CONFIG_MPC8536)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		12
+#define CONFIG_SYS_PPC_E500_DEBUG_TLB	1
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000
 
@@ -54,12 +55,14 @@
 #elif defined(CONFIG_MPC8544)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		10
+#define CONFIG_SYS_PPC_E500_DEBUG_TLB	0
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000
 
 #elif defined(CONFIG_MPC8548)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		10
+#define CONFIG_SYS_PPC_E500_DEBUG_TLB	0
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000
 #define CONFIG_SYS_FSL_ERRATUM_NMG_DDR120
@@ -113,6 +116,7 @@
 #elif defined(CONFIG_MPC8572)
 #define CONFIG_MAX_CPUS			2
 #define CONFIG_SYS_FSL_NUM_LAWS		12
+#define CONFIG_SYS_PPC_E500_DEBUG_TLB	2
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000
 #define CONFIG_SYS_FSL_ERRATUM_DDR_115
-- 
1.7.9.5





More information about the U-Boot mailing list