[U-Boot] [PATCH 1/2] openrisc: update SPR registers definition

Franck Jullien franck.jullien at gmail.com
Wed May 21 22:43:49 CEST 2014


The OpenRISC architecture specification v1.0 defines
new SPR registers. This patch adds registers definition
for group 0 and update bit definitions for the CPU
configuration register.

Signed-off-by: Franck Jullien <franck.jullien at gmail.com>
---
 arch/openrisc/include/asm/spr-defs.h |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/arch/openrisc/include/asm/spr-defs.h b/arch/openrisc/include/asm/spr-defs.h
index cb0cdfa..b3b08db 100644
--- a/arch/openrisc/include/asm/spr-defs.h
+++ b/arch/openrisc/include/asm/spr-defs.h
@@ -49,6 +49,11 @@
 #define SPR_ICCFGR	(SPRGROUP_SYS + 6)
 #define SPR_DCFGR	(SPRGROUP_SYS + 7)
 #define SPR_PCCFGR	(SPRGROUP_SYS + 8)
+#define SPR_VR2		(SPRGROUP_SYS + 9)
+#define SPR_AVR		(SPRGROUP_SYS + 10)
+#define SPR_EVBAR	(SPRGROUP_SYS + 11)
+#define SPR_AECR	(SPRGROUP_SYS + 12)
+#define SPR_AESR	(SPRGROUP_SYS + 13)
 #define SPR_NPC		(SPRGROUP_SYS + 16)
 #define SPR_SR		(SPRGROUP_SYS + 17)
 #define SPR_PPC		(SPRGROUP_SYS + 18)
@@ -164,7 +169,13 @@
 #define SPR_CPUCFGR_OF32S	0x00000080 /* ORFPX32 supported */
 #define SPR_CPUCFGR_OF64S	0x00000100 /* ORFPX64 supported */
 #define SPR_CPUCFGR_OV64S	0x00000200 /* ORVDX64 supported */
-#define SPR_CPUCFGR_RES		0xfffffc00 /* Reserved */
+#define SPR_CPUCFGR_ND		0x00000400 /* No delay slot */
+#define SPR_CPUCFGR_AVRP	0x00000800 /* Arch. Version Register present */
+#define SPR_CPUCFGR_EVBARP	0x00001000 /* Exception Vector Base Address Register (EVBAR) present */
+#define SPR_CPUCFGR_ISRP	0x00002000 /* Implementation-Specific Registers (ISR0-7) present */
+#define SPR_CPUCFGR_AECSRP	0x00004000 /* Arithmetic Exception Control Register (AECR) and */
+					   /* Arithmetic Exception Status Register (AESR) presents */
+#define SPR_CPUCFGR_RES		0xffffc000 /* Reserved */
 
 /*
  * Bit definitions for the Debug configuration register and other
-- 
1.7.1



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