[DNX#2006040142000811] [U-Boot-Users] Re: [U-Boot-Users][Patch] Cleanup o [...]

[DENX Support System <support@denx.de>]

Hello list,

inside the automatic U-Boot patch tracking system a new ticket
[DNX#2006040142000811] was created:

<snip>
> Wolfgang Denk ha scritto:
> >>Are there any particular reasons why this code should stay in start.S ?
> > 
> > 
> > Never change a running system without need?
> > 
> Yeah, though not technical is an important one indeed ;-)
> But since a SoC structure has been created I thought it was nice to have
> all the independent
> files cleaned. Just give it a try! Anyway I'll fully understand if you
> prefer not to touch
> a running system.
> 
> Best regards
> -P.Broggini
> 
> 
> 
> Signed-off-by: Paolo Broggini <pbroggini@softool.ch>
> 
> 
> CHANGELOG:
>    Cleanup of cpu/arm920t/start.S, S3C24x0 specific code
>    moved into boards depended lowlevel_init.s
>    Affected boards: sdmk2400, sdmk2410, vcma9, trab
>    Patch by Paolo Broggini, 13 Oct 2005
> 
> 
> diff --git a/board/mpl/vcma9/lowlevel_init.S
> b/board/mpl/vcma9/lowlevel_init.S
> --- a/board/mpl/vcma9/lowlevel_init.S
> +++ b/board/mpl/vcma9/lowlevel_init.S
> @@ -34,6 +34,10 @@
> 
>   /* some parameters for the board */
> 
> +#define pWTCON		0x53000000
> +#define INTMSK		0x4A000008	/* Interupt-Controller base addresses */
> +#define INTSUBMSK	0x4A00001C
> +#define CLKDIVN	0x4C000014	/* clock divisor register */
>   #define BWSCON		0x48000000
>   #define PLD_BASE	0x2C000000
>   #define SDRAM_REG	0x2C000106
> @@ -132,6 +136,30 @@ _TEXT_BASE:
> 
>   .globl lowlevel_init
>   lowlevel_init:
> +
> +	/*
> +	 * Watchdog disable
> +	 */
> +	ldr     r0, =pWTCON
> +	mov     r1, #0x0
> +	str     r1, [r0]
> +
> +	/*
> +	 * mask all IRQs by setting all bits in the INTMR - default
> +	 */
> +	mov	r1, #0xffffffff
> +	ldr	r0, =INTMSK
> +	str	r1, [r0]
> +	ldr	r1, =0x3ff
> +	ldr	r0, =INTSUBMSK
> +	str	r1, [r0]
> +
> +	/* FCLK:HCLK:PCLK = 1:2:4 */
> +	/* default FCLK is 120 MHz ! */
> +	ldr	r0, =CLKDIVN
> +	mov	r1, #3
> +	str	r1, [r0]
> +
>   	/* memory control configuration */
>   	/* make r0 relative the current location so that it */
>   	/* reads SMRDATA out of FLASH rather than memory ! */
> diff --git a/board/smdk2400/lowlevel_init.S
> b/board/smdk2400/lowlevel_init.S
> --- a/board/smdk2400/lowlevel_init.S
> +++ b/board/smdk2400/lowlevel_init.S
> @@ -44,9 +44,13 @@
>    *
>    */
> 
> +#define pWTCON		0x15300000
> +#define INTMSK		0x14400008	/* Interupt-Controller base addresses */
> +#define CLKDIVN	0x14800014	/* clock divisor register */
> +
>   /* memory controller */
> -#define BWSCON 0x14000000
> -#define BANKCON3 0x14000010	/* for cs8900, ethernet */
> +#define BWSCON		0x14000000
> +#define BANKCON3 	0x14000010	/* for cs8900, ethernet */
> 
>   /* Bank0 */
>   #define B0_Tacs	0x0	/* 0 clk */
> @@ -127,6 +131,27 @@ _TEXT_BASE:
> 
>   .globl lowlevel_init
>   lowlevel_init:
> +
> +	/*
</snip>

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