[U-Boot] [PATCH] imx6: drop duplicated bss memset and board_init_r() call

Anatolij Gustschin agust at denx.de
Mon Aug 28 18:58:38 UTC 2017


bss section is cleared in crt0.S. board_init_r() is also
entered from crt0 code.

Signed-off-by: Anatolij Gustschin <agust at denx.de>
Cc: Christian Gmeiner <christian.gmeiner at gmail.com>
Cc: Nikita Kiryanov <nikita at compulab.co.il>
Cc: Jagan Teki <jagan at amarulasolutions.com>
Cc: Tim Harvey <tharvey at gateworks.com>
Cc: Marek Vasut <marex at denx.de>
Cc: Lukasz Majewski <lukma at denx.de>
Cc: Fabio Estevam <fabio.estevam at nxp.com>
---
 board/bachmann/ot1200/ot1200_spl.c          | 6 ------
 board/compulab/cm_fx6/spl.c                 | 3 ---
 board/engicam/common/spl.c                  | 6 ------
 board/gateworks/gw_ventana/gw_ventana_spl.c | 3 ---
 board/kosagi/novena/novena_spl.c            | 6 ------
 board/liebherr/mccmon6/spl.c                | 6 ------
 board/udoo/udoo_spl.c                       | 6 ------
 board/wandboard/spl.c                       | 6 ------
 8 files changed, 42 deletions(-)

diff --git a/board/bachmann/ot1200/ot1200_spl.c b/board/bachmann/ot1200/ot1200_spl.c
index 9d28da4..f3dff95 100644
--- a/board/bachmann/ot1200/ot1200_spl.c
+++ b/board/bachmann/ot1200/ot1200_spl.c
@@ -151,10 +151,4 @@ void board_init_f(ulong dummy)
 
 	/* configure MMDC for SDRAM width/size and per-model calibration */
 	ot1200_spl_dram_init();
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* load/boot image from boot device */
-	board_init_r(NULL, 0);
 }
diff --git a/board/compulab/cm_fx6/spl.c b/board/compulab/cm_fx6/spl.c
index bba977f..56aac60 100644
--- a/board/compulab/cm_fx6/spl.c
+++ b/board/compulab/cm_fx6/spl.c
@@ -336,9 +336,6 @@ void board_init_f(ulong dummy)
 		puts("!!!ERROR!!! DRAM detection failed!!!\n");
 		hang();
 	}
-
-	memset(__bss_start, 0, __bss_end - __bss_start);
-	board_init_r(NULL, 0);
 }
 
 void board_boot_order(u32 *spl_boot_list)
diff --git a/board/engicam/common/spl.c b/board/engicam/common/spl.c
index a8a7cf3..1f2826a 100644
--- a/board/engicam/common/spl.c
+++ b/board/engicam/common/spl.c
@@ -384,10 +384,4 @@ void board_init_f(ulong dummy)
 
 	/* DDR initialization */
 	spl_dram_init();
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* load/boot image from boot device */
-	board_init_r(NULL, 0);
 }
diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c
index 9524da7..e107f15 100644
--- a/board/gateworks/gw_ventana/gw_ventana_spl.c
+++ b/board/gateworks/gw_ventana/gw_ventana_spl.c
@@ -637,9 +637,6 @@ void board_init_f(ulong dummy)
 	spl_dram_init(8 << ventana_info.sdram_width,
 		      16 << ventana_info.sdram_size,
 		      board_model);
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
 }
 
 void board_boot_order(u32 *spl_boot_list)
diff --git a/board/kosagi/novena/novena_spl.c b/board/kosagi/novena/novena_spl.c
index 3645b75..ffc99b8 100644
--- a/board/kosagi/novena/novena_spl.c
+++ b/board/kosagi/novena/novena_spl.c
@@ -607,10 +607,4 @@ void board_init_f(ulong dummy)
 	udelay(100);
 	mmdc_do_write_level_calibration(&novena_ddr_info);
 	mmdc_do_dqs_calibration(&novena_ddr_info);
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* load/boot image from boot device */
-	board_init_r(NULL, 0);
 }
diff --git a/board/liebherr/mccmon6/spl.c b/board/liebherr/mccmon6/spl.c
index 15844ef..56e7d3b 100644
--- a/board/liebherr/mccmon6/spl.c
+++ b/board/liebherr/mccmon6/spl.c
@@ -307,11 +307,5 @@ void board_init_f(ulong dummy)
 
 	/* DDR initialization */
 	spl_dram_init();
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* load/boot image from boot device */
-	board_init_r(NULL, 0);
 }
 #endif
diff --git a/board/udoo/udoo_spl.c b/board/udoo/udoo_spl.c
index e83e7c3..34ef413 100644
--- a/board/udoo/udoo_spl.c
+++ b/board/udoo/udoo_spl.c
@@ -263,11 +263,5 @@ void board_init_f(ulong dummy)
 
 	/* DDR initialization */
 	spl_dram_init();
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* load/boot image from boot device */
-	board_init_r(NULL, 0);
 }
 #endif
diff --git a/board/wandboard/spl.c b/board/wandboard/spl.c
index 47082a8..c3f5fff 100644
--- a/board/wandboard/spl.c
+++ b/board/wandboard/spl.c
@@ -311,11 +311,5 @@ void board_init_f(ulong dummy)
 
 	/* DDR initialization */
 	spl_dram_init();
-
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* load/boot image from boot device */
-	board_init_r(NULL, 0);
 }
 #endif
-- 
2.7.4



More information about the U-Boot mailing list