[PATCH 18/34] ARM AT91: switch to barebox_arm_entry part1
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri Feb 1 03:11:35 EST 2013
On 08:59 Fri 01 Feb , Sascha Hauer wrote:
> This switches the at91sam926x, 9g10 and 9g20 over to barebox_arm_entry.
> For these SoCs we currently support reading back the memory size from
> the SDRAM controller, so all of these can have a common reset() function.
>
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
> arch/arm/boards/at91sam9263ek/Makefile | 4 ++--
> arch/arm/boards/mmccpu/Makefile | 4 ++--
> arch/arm/boards/pm9261/Makefile | 4 ++--
> arch/arm/boards/pm9263/Makefile | 4 ++--
> arch/arm/boards/tny-a926x/Makefile | 4 ++--
> arch/arm/boards/usb-a926x/Makefile | 4 ++--
> arch/arm/mach-at91/Kconfig | 15 ++++++++++-----
> arch/arm/mach-at91/Makefile | 4 ++--
> arch/arm/mach-at91/at91sam926x_lowlevel_init.c | 4 +++-
> 9 files changed, 27 insertions(+), 20 deletions(-)
>
> diff --git a/arch/arm/boards/at91sam9263ek/Makefile b/arch/arm/boards/at91sam9263ek/Makefile
> index b6460c3..1702783 100644
> --- a/arch/arm/boards/at91sam9263ek/Makefile
> +++ b/arch/arm/boards/at91sam9263ek/Makefile
> @@ -1,5 +1,5 @@
> obj-y += init.o
>
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +obj-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +pbl-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
> diff --git a/arch/arm/boards/mmccpu/Makefile b/arch/arm/boards/mmccpu/Makefile
> index b6460c3..1702783 100644
> --- a/arch/arm/boards/mmccpu/Makefile
> +++ b/arch/arm/boards/mmccpu/Makefile
> @@ -1,5 +1,5 @@
> obj-y += init.o
>
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +obj-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +pbl-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
> diff --git a/arch/arm/boards/pm9261/Makefile b/arch/arm/boards/pm9261/Makefile
> index b6460c3..1702783 100644
> --- a/arch/arm/boards/pm9261/Makefile
> +++ b/arch/arm/boards/pm9261/Makefile
> @@ -1,5 +1,5 @@
> obj-y += init.o
>
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +obj-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +pbl-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
> diff --git a/arch/arm/boards/pm9263/Makefile b/arch/arm/boards/pm9263/Makefile
> index b6460c3..1702783 100644
> --- a/arch/arm/boards/pm9263/Makefile
> +++ b/arch/arm/boards/pm9263/Makefile
> @@ -1,5 +1,5 @@
> obj-y += init.o
>
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +obj-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
> +pbl-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += lowlevel_init.o
> diff --git a/arch/arm/boards/tny-a926x/Makefile b/arch/arm/boards/tny-a926x/Makefile
> index 36ea09f..caa7163 100644
> --- a/arch/arm/boards/tny-a926x/Makefile
> +++ b/arch/arm/boards/tny-a926x/Makefile
> @@ -5,6 +5,6 @@ obj-$(CONFIG_AT91_BOOTSTRAP) += $(bootstrap-y)
>
> lowlevel_init-$(CONFIG_MACH_TNY_A9263) = tny_a9263_lowlevel_init.o
>
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
> +obj-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += $(lowlevel_init-y)
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
> +pbl-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += $(lowlevel_init-y)
> diff --git a/arch/arm/boards/usb-a926x/Makefile b/arch/arm/boards/usb-a926x/Makefile
> index e314dd5..88f163f 100644
> --- a/arch/arm/boards/usb-a926x/Makefile
> +++ b/arch/arm/boards/usb-a926x/Makefile
> @@ -5,6 +5,6 @@ obj-$(CONFIG_AT91_BOOTSTRAP) += $(bootstrap-y)
>
> lowlevel_init-$(CONFIG_MACH_USB_A9263) = usb_a9263_lowlevel_init.o
>
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
> +obj-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += $(lowlevel_init-y)
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
> +pbl-$(CONFIG_HAVE_AT91_LOWLEVEL_INIT) += $(lowlevel_init-y)
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index 14bab55..ac6fd2f 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -6,6 +6,9 @@ config HAVE_AT91_DBGU0
> config HAVE_AT91_DBGU1
> bool
>
> +config HAVE_AT91_LOWLEVEL_INIT
> + bool
> +
> config AT91SAM9_SMC
> bool
>
> @@ -76,6 +79,8 @@ config HAVE_AT91_LOAD_BAREBOX_SRAM
>
> config AT91SAM9_LOWLEVEL_INIT
> bool
> + select MACH_HAS_LOWLEVEL_INIT
> + select MACH_DO_LOWLEVEL_INIT
>
> comment "Atmel AT91 System-on-Chip"
>
> @@ -300,7 +305,7 @@ config MACH_AT91SAM9261EK
> config MACH_PM9261
> bool "Ronetix PM9261"
> select HAS_DM9000
> - select MACH_HAS_LOWLEVEL_INIT
> + select HAVE_AT91_LOWLEVEL_INIT
> help
> Say y here if you are using the Ronetix PM9261 Board
>
> @@ -375,7 +380,7 @@ choice
>
> config MACH_AT91SAM9263EK
> bool "Atmel AT91SAM9263-EK"
> - select MACH_HAS_LOWLEVEL_INIT
> + select HAVE_AT91_LOWLEVEL_INIT
> select HAVE_NAND_ATMEL_BUSWIDTH_16
> help
> Say y here if you are using Atmel's AT91SAM9263-EK Evaluation board
> @@ -387,7 +392,7 @@ config MACH_MMCCPU
>
> config MACH_PM9263
> bool "Ronetix PM9263"
> - select MACH_HAS_LOWLEVEL_INIT
> + select HAVE_AT91_LOWLEVEL_INIT
> help
> Say y here if you are using the Ronetix PM9263 Board
>
> @@ -401,7 +406,7 @@ config MACH_TNY_A9263
>
> config MACH_USB_A9263
> bool "CALAO USB-A9263"
> - select MACH_HAS_LOWLEVEL_INIT
> + select HAVE_AT91_LOWLEVEL_INIT
> help
> Select this if you are using a Calao Systems USB-A9263.
> <http://www.calao-systems.com>
> @@ -565,7 +570,7 @@ endif
>
> config AT91_BOOTSTRAP
> bool "at91 bootstrap"
> - depends on MACH_HAS_LOWLEVEL_INIT
> + depends on HAVE_AT91_LOWLEVEL_INIT
> select BOOTSTRAP
>
> config AT91_LOAD_BAREBOX_SRAM
> diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
> index f6c8500..38aeef6 100644
> --- a/arch/arm/mach-at91/Makefile
> +++ b/arch/arm/mach-at91/Makefile
> @@ -7,9 +7,9 @@ lowlevel_init-$(CONFIG_SOC_AT91SAM9260) += at91sam9260_lowlevel_init.o
> lowlevel_init-$(CONFIG_SOC_AT91SAM9261) += at91sam9261_lowlevel_init.o
> lowlevel_init-$(CONFIG_SOC_AT91SAM9263) += at91sam9263_lowlevel_init.o
> lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o
> -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
> +obj-y += $(lowlevel_init-y)
>
> -pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
> +pbl-y += $(lowlevel_init-y)
>
> obj-$(CONFIG_AT91SAM9_RESET) += at91sam9_reset.o
> obj-$(CONFIG_AT91SAM9G45_RESET) += at91sam9g45_reset.o
> diff --git a/arch/arm/mach-at91/at91sam926x_lowlevel_init.c b/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
> index 8b9b33e..cda0456 100644
> --- a/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
> +++ b/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
> @@ -49,6 +49,7 @@ static int inline running_in_sram(void)
> void __bare_init at91sam926x_lowlevel_init(void *pio, bool is_pio_asr,
> u32 matrix_csa)
> {
> +#ifdef CONFIG_HAVE_AT91_LOWLEVEL_INIT
> u32 r;
> int i;
> int in_sram = running_in_sram();
> @@ -184,5 +185,6 @@ void __bare_init at91sam926x_lowlevel_init(void *pio, bool is_pio_asr,
> at91_pmc_write(AT91_PMC_PCER, 0xffffffff);
>
> end:
> - board_init_lowlevel_return();
> +#endif
> + barebox_arm_entry(AT91_SDRAM_BASE, at91_get_sdram_size(), 0);
I send a patch series to split this pleqse rebase on it
at at91_get_sram_size is going to be drop for SOC specific on
Best Regards,
J.
> }
> --
> 1.7.10.4
>
>
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