On 08:59 Fri 01 Feb , Sascha Hauer wrote:
> For At91 boards which do not have a SDRAM size detection function
> we create a lowlevel reset function which calls barebox_arm_entry
> manually with the known memory size.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
> arch/arm/Kconfig | 2 ++
> arch/arm/boards/at91sam9m10g45ek/Makefile | 2 ++
> arch/arm/boards/at91sam9m10g45ek/lowlevel.c | 11 +++++++++++
> arch/arm/boards/at91sam9m10ihd/Makefile | 2 ++
> arch/arm/boards/at91sam9m10ihd/lowlevel.c | 11 +++++++++++
> arch/arm/boards/at91sam9n12ek/Makefile | 2 ++
> arch/arm/boards/at91sam9n12ek/lowlevel.c | 11 +++++++++++
> arch/arm/boards/at91sam9x5ek/Makefile | 2 ++
> arch/arm/boards/at91sam9x5ek/lowlevel.c | 11 +++++++++++
> arch/arm/boards/pm9g45/Makefile | 2 ++
> arch/arm/boards/pm9g45/lowlevel.c | 11 +++++++++++
> arch/arm/mach-at91/Kconfig | 2 --
> 12 files changed, 67 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm/boards/at91sam9m10g45ek/lowlevel.c
> create mode 100644 arch/arm/boards/at91sam9m10ihd/lowlevel.c
> create mode 100644 arch/arm/boards/at91sam9n12ek/lowlevel.c
> create mode 100644 arch/arm/boards/at91sam9x5ek/lowlevel.c
> create mode 100644 arch/arm/boards/pm9g45/lowlevel.c
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index c7daebe..0d5e004 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -30,6 +30,8 @@ config ARCH_AT91
> select CLKDEV_LOOKUP
> select HAS_DEBUG_LL
> select HAVE_MACH_ARM_HEAD
> + select MACH_HAS_LOWLEVEL_INIT
> + select MACH_DO_LOWLEVEL_INIT
>
> config ARCH_BCM2835
> bool "Broadcom BCM2835 boards"
> diff --git a/arch/arm/boards/at91sam9m10g45ek/Makefile b/arch/arm/boards/at91sam9m10g45ek/Makefile
> index eb072c0..47ab803 100644
> --- a/arch/arm/boards/at91sam9m10g45ek/Makefile
> +++ b/arch/arm/boards/at91sam9m10g45ek/Makefile
> @@ -1 +1,3 @@
> obj-y += init.o
> +obj-y += lowlevel.o
> +pbl-y += lowlevel.o
> diff --git a/arch/arm/boards/at91sam9m10g45ek/lowlevel.c b/arch/arm/boards/at91sam9m10g45ek/lowlevel.c
> new file mode 100644
> index 0000000..65259bb
> --- /dev/null
> +++ b/arch/arm/boards/at91sam9m10g45ek/lowlevel.c
> @@ -0,0 +1,11 @@
> +#include <common.h>
> +#include <sizes.h>
> +#include <asm/barebox-arm-head.h>
> +#include <asm/barebox-arm.h>
> +#include <mach/hardware.h>
> +
> +void __naked reset(void)
> +{
> + common_reset();
> + barebox_arm_entry(AT91_SDRAM_BASE, SZ_128M, 0);
this is wrong as re run from the bank1 so AT91_CHIPSELECT_6
on 9g45
Best Regards,
J.
> +}
> diff --git a/arch/arm/boards/at91sam9m10ihd/Makefile b/arch/arm/boards/at91sam9m10ihd/Makefile
> index f2acf20..4ec0b36 100644
> --- a/arch/arm/boards/at91sam9m10ihd/Makefile
> +++ b/arch/arm/boards/at91sam9m10ihd/Makefile
> @@ -1,2 +1,4 @@
> obj-y += init.o
> obj-y += hw_version.o
> +obj-y += lowlevel.o
> +pbl-y += lowlevel.o
> diff --git a/arch/arm/boards/at91sam9m10ihd/lowlevel.c b/arch/arm/boards/at91sam9m10ihd/lowlevel.c
> new file mode 100644
> index 0000000..65259bb
> --- /dev/null
> +++ b/arch/arm/boards/at91sam9m10ihd/lowlevel.c
> @@ -0,0 +1,11 @@
> +#include <common.h>
> +#include <sizes.h>
> +#include <asm/barebox-arm-head.h>
> +#include <asm/barebox-arm.h>
> +#include <mach/hardware.h>
> +
> +void __naked reset(void)
> +{
> + common_reset();
> + barebox_arm_entry(AT91_SDRAM_BASE, SZ_128M, 0);
> +}
> diff --git a/arch/arm/boards/at91sam9n12ek/Makefile b/arch/arm/boards/at91sam9n12ek/Makefile
> index eb072c0..6c1a61f 100644
> --- a/arch/arm/boards/at91sam9n12ek/Makefile
> +++ b/arch/arm/boards/at91sam9n12ek/Makefile
> @@ -1 +1,3 @@
> +obj-y += lowlevel.o
> +pbl-y += lowlevel.o
> obj-y += init.o
> diff --git a/arch/arm/boards/at91sam9n12ek/lowlevel.c b/arch/arm/boards/at91sam9n12ek/lowlevel.c
> new file mode 100644
> index 0000000..65259bb
> --- /dev/null
> +++ b/arch/arm/boards/at91sam9n12ek/lowlevel.c
> @@ -0,0 +1,11 @@
> +#include <common.h>
> +#include <sizes.h>
> +#include <asm/barebox-arm-head.h>
> +#include <asm/barebox-arm.h>
> +#include <mach/hardware.h>
> +
> +void __naked reset(void)
> +{
> + common_reset();
> + barebox_arm_entry(AT91_SDRAM_BASE, SZ_128M, 0);
> +}
> diff --git a/arch/arm/boards/at91sam9x5ek/Makefile b/arch/arm/boards/at91sam9x5ek/Makefile
> index f2acf20..4ec0b36 100644
> --- a/arch/arm/boards/at91sam9x5ek/Makefile
> +++ b/arch/arm/boards/at91sam9x5ek/Makefile
> @@ -1,2 +1,4 @@
> obj-y += init.o
> obj-y += hw_version.o
> +obj-y += lowlevel.o
> +pbl-y += lowlevel.o
> diff --git a/arch/arm/boards/at91sam9x5ek/lowlevel.c b/arch/arm/boards/at91sam9x5ek/lowlevel.c
> new file mode 100644
> index 0000000..65259bb
> --- /dev/null
> +++ b/arch/arm/boards/at91sam9x5ek/lowlevel.c
> @@ -0,0 +1,11 @@
> +#include <common.h>
> +#include <sizes.h>
> +#include <asm/barebox-arm-head.h>
> +#include <asm/barebox-arm.h>
> +#include <mach/hardware.h>
> +
> +void __naked reset(void)
> +{
> + common_reset();
> + barebox_arm_entry(AT91_SDRAM_BASE, SZ_128M, 0);
> +}
> diff --git a/arch/arm/boards/pm9g45/Makefile b/arch/arm/boards/pm9g45/Makefile
> index eb072c0..47ab803 100644
> --- a/arch/arm/boards/pm9g45/Makefile
> +++ b/arch/arm/boards/pm9g45/Makefile
> @@ -1 +1,3 @@
> obj-y += init.o
> +obj-y += lowlevel.o
> +pbl-y += lowlevel.o
> diff --git a/arch/arm/boards/pm9g45/lowlevel.c b/arch/arm/boards/pm9g45/lowlevel.c
> new file mode 100644
> index 0000000..65259bb
> --- /dev/null
> +++ b/arch/arm/boards/pm9g45/lowlevel.c
> @@ -0,0 +1,11 @@
> +#include <common.h>
> +#include <sizes.h>
> +#include <asm/barebox-arm-head.h>
> +#include <asm/barebox-arm.h>
> +#include <mach/hardware.h>
> +
> +void __naked reset(void)
> +{
> + common_reset();
> + barebox_arm_entry(AT91_SDRAM_BASE, SZ_128M, 0);
> +}
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index da2768a..337d2a6 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -91,8 +91,6 @@ config SOC_AT91RM9200
> select CPU_ARM920T
> select HAVE_AT91_DBGU0
> select HAS_AT91_ETHER
> - select MACH_HAS_LOWLEVEL_INIT
> - select MACH_DO_LOWLEVEL_INIT
>
> config SOC_AT91SAM9260
> bool
> --
> 1.7.10.4
>
>
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