[U-Boot] [PATCH 17/20] driver/fsl_debug_server: Fix the DDR hide logic for LS2085a

Prabhakar Kushwaha prabhakar at freescale.com
Mon May 18 09:16:11 CEST 2015


From: Bhupesh Sharma <bhupesh.sharma at freescale.com>

This patch fixes the DDR hide logic for LS2085a, correcting the way
the Debug Server FW and MC FW images are placed on the top of system
DDR and how the rest of the system DDR space is made visibile to Linux.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
---
 drivers/misc/fsl_debug_server.c | 5 +++++
 drivers/net/fsl-mc/mc.c         | 8 --------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/misc/fsl_debug_server.c b/drivers/misc/fsl_debug_server.c
index e080fe6..44cd9b9 100644
--- a/drivers/misc/fsl_debug_server.c
+++ b/drivers/misc/fsl_debug_server.c
@@ -10,6 +10,7 @@
 #include <asm/system.h>
 #include <asm/arch-fsl-lsch3/immap_lsch3.h>
 
+#include <fsl-mc/fsl_mc.h>
 #include <fsl_debug_server.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -151,6 +152,10 @@ int debug_server_init(void)
 		debug_server_ram_addr =
 			gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
 
+#ifdef CONFIG_FSL_MC_ENET
+	debug_server_ram_addr += mc_get_dram_block_size();
+#endif
+
 	error = debug_server_parse_firmware_fit_image(&raw_image_addr,
 							&raw_image_size);
 	if (error != 0)
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index c5c44bc..f4a050a 100644
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -9,7 +9,6 @@
 #include <fsl-mc/fsl_mc_sys.h>
 #include <fsl-mc/fsl_mc_private.h>
 #include <fsl-mc/fsl_dpmng.h>
-#include <fsl_debug_server.h>
 #include <fsl-mc/fsl_dprc.h>
 #include <fsl-mc/fsl_dpio.h>
 #include <fsl-mc/fsl_qbman_portal.h>
@@ -403,13 +402,6 @@ int mc_init(void)
 			gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
 	}
 
-#ifdef CONFIG_FSL_DEBUG_SERVER
-	/*
-	 * FIXME: I don't think this is right. See get_dram_size_to_hide()
-	 */
-		mc_ram_addr -= debug_server_get_dram_block_size();
-#endif
-
 	error = calculate_mc_private_ram_params(mc_ram_addr,
 						mc_ram_size,
 						&mc_ram_aligned_base_addr,
-- 
1.9.1




More information about the U-Boot mailing list