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@xxxxxxxxxxxxxx> --- 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 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox