[U-Boot] [PATCH 16/31] board/t4240qds, b4860qds: LAW/TLB for DCSR set to size 32M

[York Sun]

From: Stephen George <stephen.george at freescale.com>

Debug trace buffers are memory mapped in DCSR space beyond 4M.

Signed-off-by: Stephen George <stephen.george at freescale.com>
---
 board/freescale/b4860qds/law.c |    3 ++-
 board/freescale/b4860qds/tlb.c |    2 +-
 board/freescale/t4qds/law.c    |    3 ++-
 board/freescale/t4qds/tlb.c    |    2 +-
 doc/README.b4860qds            |    4 ++--
 doc/README.t4240qds            |    2 +-
 6 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/board/freescale/b4860qds/law.c b/board/freescale/b4860qds/law.c
index 4142e01..abaad7a 100644
--- a/board/freescale/b4860qds/law.c
+++ b/board/freescale/b4860qds/law.c
@@ -34,7 +34,8 @@ struct law_entry law_table[] = {
 #endif
 	SET_LAW(QIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_IFC),
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
-	SET_LAW(CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_4M, LAW_TRGT_IF_DCSR),
+	/* Limit DCSR to 32M to access NPC Trace Buffer */
+	SET_LAW(CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_32M, LAW_TRGT_IF_DCSR),
 #endif
 #ifdef CONFIG_SYS_NAND_BASE_PHYS
 	SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_IFC),
diff --git a/board/freescale/b4860qds/tlb.c b/board/freescale/b4860qds/tlb.c
index 0ea4976..3572b44 100644
--- a/board/freescale/b4860qds/tlb.c
+++ b/board/freescale/b4860qds/tlb.c
@@ -115,7 +115,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
-		      0, 10, BOOKE_PAGESZ_4M, 1),
+		      0, 10, BOOKE_PAGESZ_32M, 1),
 #endif
 #ifdef CONFIG_SYS_NAND_BASE
 	/*
diff --git a/board/freescale/t4qds/law.c b/board/freescale/t4qds/law.c
index 6f2c5c8..f3848f3 100644
--- a/board/freescale/t4qds/law.c
+++ b/board/freescale/t4qds/law.c
@@ -37,7 +37,8 @@ struct law_entry law_table[] = {
 #endif
 	SET_LAW(QIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_IFC),
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
-	SET_LAW(CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_4M, LAW_TRGT_IF_DCSR),
+	/* Limit DCSR to 32M to access NPC Trace Buffer */
+	SET_LAW(CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_32M, LAW_TRGT_IF_DCSR),
 #endif
 #ifdef CONFIG_SYS_NAND_BASE_PHYS
 	SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_IFC),
diff --git a/board/freescale/t4qds/tlb.c b/board/freescale/t4qds/tlb.c
index 80eb511..92c01cf 100644
--- a/board/freescale/t4qds/tlb.c
+++ b/board/freescale/t4qds/tlb.c
@@ -115,7 +115,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
-		      0, 13, BOOKE_PAGESZ_4M, 1),
+		      0, 13, BOOKE_PAGESZ_32M, 1),
 #endif
 #ifdef CONFIG_SYS_NAND_BASE
 	/*
diff --git a/doc/README.b4860qds b/doc/README.b4860qds
index f6c5ff8..bd10a6d 100644
--- a/doc/README.b4860qds
+++ b/doc/README.b4860qds
@@ -185,7 +185,7 @@ Start Address	End Address	Description	Size
 0xF_A0C0_0000 	0xF_DFFF_FFFF	Free		1012 MB
 0xF_A000_0000 	0xF_A0BF_FFFF	MAPLE0/1/2	12 MB
 0xF_0040_0000 	0xF_9FFF_FFFF	Free		12 GB
-0xF_0000_0000 	0xF_003F_FFFF	DCSR		4 MB
+0xF_0000_0000 	0xF_01FF_FFFF	DCSR		32 MB
 0xC_4000_0000 	0xE_FFFF_FFFF	Free		11 GB
 0xC_3000_0000 	0xC_3FFF_FFFF	sRIO-2 I/O 	256 MB
 0xC_2000_0000 	0xC_2FFF_FFFF	sRIO-1 I/O  	256 MB
@@ -215,7 +215,7 @@ Start Address	End Address	Description	Size
 0xF_A0C0_0000 	0xF_DFFF_FFFF	Free		1012 MB
 0xF_A000_0000 	0xF_A0BF_FFFF	MAPLE0/1/2	12 MB
 0xF_0040_0000 	0xF_9FFF_FFFF	Free		12 GB
-0xF_0000_0000 	0xF_003F_FFFF	DCSR		4 MB
+0xF_0000_0000 	0xF_01FF_FFFF	DCSR		32 MB
 0xC_4000_0000 	0xE_FFFF_FFFF	Free		11 GB
 0xC_3000_0000 	0xC_3FFF_FFFF	sRIO-2 I/O 	256 MB
 0xC_2000_0000 	0xC_2FFF_FFFF	sRIO-1 I/O  	256 MB
diff --git a/doc/README.t4240qds b/doc/README.t4240qds
index 19e8a8a..a9841fb 100644
--- a/doc/README.t4240qds
+++ b/doc/README.t4240qds
@@ -86,7 +86,7 @@ The addresses in brackets are physical addresses.
 
 0x0_0000_0000 (0x0_0000_0000) - 0x0_7fff_ffff   2GB DDR (more than 2GB is initialized but not mapped under with TLB)
 0x0_8000_0000 (0xc_0000_0000) - 0x0_dfff_ffff 1.5GB PCIE memory
-0x0_f000_0000 (0xf_0000_0000) - 0x0_f03f_ffff  4MB  DCSR
+0x0_f000_0000 (0xf_0000_0000) - 0x0_f1ff_ffff  32MB DCSR (includes trace buffers)
 0x0_f400_0000 (0xf_f400_0000) - 0x0_f5ff_ffff  32MB BMan
 0x0_f600_0000 (0xf_f600_0000) - 0x0_f7ff_ffff  32MB QMan
 0x0_f800_0000 (0xf_f800_0000) - 0x0_f803_ffff 256KB PCIE IO
-- 
1.7.9.5