> Introduce CONFIG_SKIP_RELOCATION as alternative define. This
> may be desired in some conditions where U-Boot is downloaded
> directly into SRAM during NAND/Peripheral download mode and
> is not expected to be relocated.
>
> This patch also organizes SKIP_LOWLEVEL_INIT and
> SKIP_RELOCATION in a common arm feature dependent section.
>
> Signed-off-by: Nishanth Menon <[EMAIL PROTECTED]>
Acked-by: Thara Gopinath <[EMAIL PROTECTED]>
>
> Index: u-boot-v2.git/arch/arm/cpu/start-arm.S
> ===================================================================
> --- u-boot-v2.git.orig/arch/arm/cpu/start-arm.S 2008-05-05
> 09:35:00.000000000 -0500
> +++ u-boot-v2.git/arch/arm/cpu/start-arm.S 2008-05-05
> 09:35:05.000000000 -0500
> @@ -160,6 +160,10 @@
> bl board_init_lowlevel
> #endif
>
> + /*
> + * In some circumstances, we may choose not to relocate u-boot
> + */
> +#ifndef CONFIG_SKIP_RELOCATION
> relocate: /* relocate U-Boot to RAM
> */
> adr r0, _start /* r0 <- current position of
> code */
> ldr r1, _TEXT_BASE /* test if we run from flash or
> RAM */
> @@ -176,6 +180,7 @@
> stmia r1!, {r3-r10} /* copy to target address [r1]
> */
> cmp r0, r2 /* until source end addreee [r2]
> */
> ble copy_loop
> +#endif
>
> /* Set up the stack
> */
> stack_setup:
> Index: u-boot-v2.git/arch/arm/Kconfig
> ===================================================================
> --- u-boot-v2.git.orig/arch/arm/Kconfig 2008-05-05
> 09:34:44.000000000
> -0500
> +++ u-boot-v2.git/arch/arm/Kconfig 2008-05-05 09:35:25.000000000
> -0500
> @@ -74,6 +74,7 @@
> bool
> select ARM926EJS
>
> +
> choice
> prompt "Select your board"
>
> @@ -140,7 +141,7 @@
> The i.MX SoCs have a Pin which can output different
> reference frequencies.
> Say y here if you want to have the clko command which
> lets you select the
> frequency to output on this pin.
> -
> +
> source arch/arm/mach-netx/Kconfig
>
> menu "Arm specific settings "
> @@ -164,6 +165,27 @@
> If you want to start a 2.6 kernel and use an
> initrd image say y here.
>
> +menu "Boot Features"
> +
> +config SKIP_LOWLEVEL_INIT
> + bool
> + default n
> + depends on ARM
> + prompt "Skip lowlevel init"
> + help
> + This entry skips the SDRAM initialising on many ARM based
> boards.
> + It enables using U-boot as a second stage bootloader.
> +
> +config SKIP_RELOCATION
> + bool
> + default n
> + depends on ARM
> + prompt "Skip U-Boot Relocation"
> + help
> + This entry skips the relocation logic on certain platforms
> + It enables using U-boot as a second stage bootloader.
> +endmenu
> +
> endmenu
>
> source common/Kconfig
> Index: u-boot-v2.git/common/Kconfig
> ===================================================================
> --- u-boot-v2.git.orig/common/Kconfig 2008-05-05 09:34:44.000000000
> -0500
> +++ u-boot-v2.git/common/Kconfig 2008-05-05 09:35:05.000000000
> -0500
> @@ -216,14 +216,6 @@
> help
> Enable build of u-boot with -g.
>
> -config SKIP_LOWLEVEL_INIT
> - bool
> - depends on ARM
> - prompt "Skip lowlevel init"
> - help
> - This entry skips the SDRAM initialising on many ARM based
> boards.
> - It enables using U-boot as a second stage bootloader.
> -
> config ENABLE_FLASH_NOISE
> bool
> prompt "verbose flash handling"
>
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