[PATCH 10/28] ARM Samsung boards: switch to barebox_arm_entry
Sascha Hauer
s.hauer at pengutronix.de
Wed Oct 17 17:03:19 EDT 2012
All Samsung boards automatically detect their SDRAM size. The size detection
code can't be called safely from lowlevel C code, so instead the minimum SDRAM
size is guessed from the defconfig files.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
arch/arm/boards/a9m2410/lowlevel_init.S | 9 +++++++--
arch/arm/boards/a9m2440/lowlevel_init.S | 9 +++++++--
arch/arm/boards/friendlyarm-mini2440/lowlevel_init.S | 9 +++++++--
arch/arm/boards/friendlyarm-mini6410/Makefile | 2 ++
arch/arm/boards/friendlyarm-mini6410/lowlevel.c | 11 +++++++++++
arch/arm/boards/friendlyarm-tiny210/lowlevel.c | 4 +++-
arch/arm/boards/friendlyarm-tiny6410/Makefile | 3 ++-
arch/arm/boards/friendlyarm-tiny6410/lowlevel.c | 11 +++++++++++
8 files changed, 50 insertions(+), 8 deletions(-)
create mode 100644 arch/arm/boards/friendlyarm-mini6410/lowlevel.c
create mode 100644 arch/arm/boards/friendlyarm-tiny6410/lowlevel.c
diff --git a/arch/arm/boards/a9m2410/lowlevel_init.S b/arch/arm/boards/a9m2410/lowlevel_init.S
index 502ecdd..178e73a 100644
--- a/arch/arm/boards/a9m2410/lowlevel_init.S
+++ b/arch/arm/boards/a9m2410/lowlevel_init.S
@@ -3,6 +3,7 @@
*/
#include <config.h>
+#include <sizes.h>
#include <mach/s3c-iomap.h>
#include <asm/barebox-arm-head.h>
@@ -21,7 +22,7 @@ reset:
cmp pc, #S3C_SDRAM_END
bhs 1f
- b board_init_lowlevel_return
+ b out
/* we are running from NOR or NAND/SRAM memory. Do further initialisation */
1:
@@ -33,4 +34,8 @@ reset:
/* up to here we are running from the internal SRAM area */
bl s3c24x0_nand_boot
#endif
- b board_init_lowlevel_return
+out:
+ mov r0, #S3C_SDRAM_BASE
+ mov r1, #SZ_32M
+ mov r2, #0
+ b barebox_arm_entry
diff --git a/arch/arm/boards/a9m2440/lowlevel_init.S b/arch/arm/boards/a9m2440/lowlevel_init.S
index 8f6cfcb..bd51717 100644
--- a/arch/arm/boards/a9m2440/lowlevel_init.S
+++ b/arch/arm/boards/a9m2440/lowlevel_init.S
@@ -3,6 +3,7 @@
*/
#include <config.h>
+#include <sizes.h>
#include <mach/s3c-iomap.h>
#include <mach/s3c24xx-gpio.h>
#include <asm/barebox-arm-head.h>
@@ -225,7 +226,7 @@ reset:
cmp pc, #S3C_SDRAM_END
bhs 1f
- b board_init_lowlevel_return
+ b out
/* we are running from NOR or NAND/SRAM memory. Do further initialisation */
1:
@@ -237,4 +238,8 @@ reset:
/* up to here we are running from the internal SRAM area */
bl s3c24x0_nand_boot
#endif
- b board_init_lowlevel_return
+out:
+ mov r0, #S3C_SDRAM_BASE
+ mov r1, #SZ_32M
+ mov r2, #0
+ b barebox_arm_entry
diff --git a/arch/arm/boards/friendlyarm-mini2440/lowlevel_init.S b/arch/arm/boards/friendlyarm-mini2440/lowlevel_init.S
index 5c06b1c..a6e06ed 100644
--- a/arch/arm/boards/friendlyarm-mini2440/lowlevel_init.S
+++ b/arch/arm/boards/friendlyarm-mini2440/lowlevel_init.S
@@ -3,6 +3,7 @@
*/
#include <config.h>
+#include <sizes.h>
#include <mach/s3c-iomap.h>
#include <asm/barebox-arm-head.h>
@@ -22,7 +23,7 @@ reset:
cmp pc, #S3C_SDRAM_END
bhs 1f
- b board_init_lowlevel_return
+ b out
/* we are running from NOR or NAND/SRAM memory. Do further initialisation */
1:
@@ -34,4 +35,8 @@ reset:
/* up to here we are running from the internal SRAM area */
bl s3c24x0_nand_boot
#endif
- b board_init_lowlevel_return
+out:
+ mov r0, #S3C_SDRAM_BASE
+ mov r1, #SZ_32M
+ mov r2, #0
+ b barebox_arm_entry
diff --git a/arch/arm/boards/friendlyarm-mini6410/Makefile b/arch/arm/boards/friendlyarm-mini6410/Makefile
index cd7a427..d5fa853 100644
--- a/arch/arm/boards/friendlyarm-mini6410/Makefile
+++ b/arch/arm/boards/friendlyarm-mini6410/Makefile
@@ -1 +1,3 @@
obj-y += mini6410.o
+obj-y += lowlevel.o
+pbl-y += lowlevel.o
diff --git a/arch/arm/boards/friendlyarm-mini6410/lowlevel.c b/arch/arm/boards/friendlyarm-mini6410/lowlevel.c
new file mode 100644
index 0000000..61ed757
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-mini6410/lowlevel.c
@@ -0,0 +1,11 @@
+#include <common.h>
+#include <sizes.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <mach/s3c-iomap.h>
+
+void __naked reset(void)
+{
+ common_reset();
+ barebox_arm_entry(S3C_SDRAM_BASE, SZ_128M, 0);
+}
diff --git a/arch/arm/boards/friendlyarm-tiny210/lowlevel.c b/arch/arm/boards/friendlyarm-tiny210/lowlevel.c
index 695f97d..5d9582e 100644
--- a/arch/arm/boards/friendlyarm-tiny210/lowlevel.c
+++ b/arch/arm/boards/friendlyarm-tiny210/lowlevel.c
@@ -23,6 +23,7 @@
#include <common.h>
#include <init.h>
#include <io.h>
+#include <sizes.h>
#include <asm/barebox-arm.h>
#include <asm/barebox-arm-head.h>
#include <asm/sections.h>
@@ -61,7 +62,8 @@ void __bare_init reset(void)
#endif
if (get_pc() < 0xD0000000) /* Are we running from iRAM? */
- board_init_lowlevel_return(); /* No, we don't. */
+ /* No, we don't. */
+ barebox_arm_entry(S3C_SDRAM_BASE, SZ_64M, 0);
s5p_init_dram_bank_ddr2(S5P_DMC0_BASE, 0x20E00323, 0, 0);
diff --git a/arch/arm/boards/friendlyarm-tiny6410/Makefile b/arch/arm/boards/friendlyarm-tiny6410/Makefile
index b3ab12e..eb0e0ed 100644
--- a/arch/arm/boards/friendlyarm-tiny6410/Makefile
+++ b/arch/arm/boards/friendlyarm-tiny6410/Makefile
@@ -1,3 +1,4 @@
obj-y += tiny6410.o
-
+obj-y += lowlevel.o
+pbl-y += lowlevel.o
obj-$(CONFIG_MACH_TINY6410_FA) += development-board.o
diff --git a/arch/arm/boards/friendlyarm-tiny6410/lowlevel.c b/arch/arm/boards/friendlyarm-tiny6410/lowlevel.c
new file mode 100644
index 0000000..61ed757
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/lowlevel.c
@@ -0,0 +1,11 @@
+#include <common.h>
+#include <sizes.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <mach/s3c-iomap.h>
+
+void __naked reset(void)
+{
+ common_reset();
+ barebox_arm_entry(S3C_SDRAM_BASE, SZ_128M, 0);
+}
--
1.7.10.4
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