[U-Boot] [PATCH] TQM8xx: Fix CFI flash driver support for all TQM8xx based boards

[Stefan Roese]

Hi Wolfgang,

On Tuesday 16 September 2008, Wolfgang Denk wrote:
> After switching to using the CFI flash driver, the correct remapping
> of the flash banks was forgotten.
>
> Also, some boards were not adapted, and the old legacy flash driver
> was not removed yet.

Please find some nitpicking comments below.

<snip>

> diff --git a/board/tqc/tqm8xx/tqm8xx.c b/board/tqc/tqm8xx/tqm8xx.c
> index 96b6103..59bbdbc 100644
> --- a/board/tqc/tqm8xx/tqm8xx.c
> +++ b/board/tqc/tqm8xx/tqm8xx.c
> @@ -1,5 +1,5 @@
>  /*
> - * (C) Copyright 2000-2006
> + * (C) Copyright 2000-2008
>   * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
>   *
>   * See file CREDITS for list of people who contributed to this
> @@ -21,16 +21,14 @@
>   * MA 02111-1307 USA
>   */
>
> -#if 0
> -#define DEBUG
> -#endif
> -
>  #include <common.h>
>  #include <mpc8xx.h>
>  #ifdef CONFIG_PS2MULT
>  #include <ps2mult.h>
>  #endif
>
> +extern flash_info_t flash_info[];	/* FLASH chips info */
> +
>  DECLARE_GLOBAL_DATA_PTR;
>
>  static long int dram_size (long int, long int *, long int);
> @@ -451,24 +449,107 @@ int board_early_init_r (void)
>
>  #endif /* CONFIG_PS2MULT */
>
> -/*
> ---------------------------------------------------------------------------
>- */ -/* HMI10 specific stuff								*/
> -/*
> ---------------------------------------------------------------------------
>- */ -#ifdef CONFIG_HMI10
>
> +#ifdef CONFIG_MISC_INIT_R
>  int misc_init_r (void)
>  {
> -# ifdef CONFIG_IDE_LED
> -	volatile immap_t *immap = (immap_t *) CFG_IMMR;
> +	volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
> +	volatile memctl8xx_t *memctl = &immap->im_memctl;
> +
> +#ifdef	CFG_OR_TIMING_FLASH_AT_50MHZ
> +	int scy, trlx, flash_or_timing, clk_diff;
> +
> +	scy = (CFG_OR_TIMING_FLASH_AT_50MHZ & OR_SCY_MSK) >> 4;
> +	if (CFG_OR_TIMING_FLASH_AT_50MHZ & OR_TRLX) {
> +		trlx = OR_TRLX;
> +		scy *= 2;
> +	} else
> +		trlx = 0;
> +
> +		/*
> +		 * We assume that each 10MHz of bus clock require 1-clk SCY
> +		 * adjustment.
> +		 */
> +	clk_diff = (gd->bus_clk / 1000000) - 50;

Indentation looks wrong here.

> +
> +		/*
> +		 * We need proper rounding here. This is what the "+5" and "-5"
> +		 * are here for.
> +		 */
> +	if (clk_diff >= 0)
> +		scy += (clk_diff + 5) / 10;
> +	else
> +		scy += (clk_diff - 5) / 10;

And here. And other places below too.

Best regards,
Stefan

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