[PATCH 6/7] at91: add bootstrap version

[Jan Lübbe]

On Sat, 2012-12-29 at 11:08 +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> diff --git a/arch/arm/mach-at91/bootstrap.c b/arch/arm/mach-at91/bootstrap.c
> new file mode 100644
> index 0000000..2ec16f1
> --- /dev/null
> +++ b/arch/arm/mach-at91/bootstrap.c
> @@ -0,0 +1,86 @@
> +/*
> + * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
> + *
> + * Under GPLv2
> + */
> +
> +#include <common.h>
> +#include <bootstrap.h>
> +#include <mach/bootstrap.h>
> +#include <sizes.h>
> +#include <malloc.h>
> +
> +#if defined(CONFIG_MCI_ATMEL)
> +#define is_mmc() 1
> +#else
> +#define is_mmc() 0
> +#endif
> +
> +#ifdef CONFIG_NAND_ATMEL
> +#define is_nand() 1
> +#else
> +#define is_nand() 0
> +#endif
> +
> +#ifdef CONFIG_MTD_M25P80
> +#define is_m25p80() 1
> +#else
> +#define is_m25p80() 0
> +#endif
> +
> +#ifdef CONFIG_MTD_DATAFLASH
> +#define is_dataflash() 1
> +#else
> +#define is_dataflash() 0
> +#endif
> +
> +static void boot_seq(bool is_barebox)
> +{
> +	char *name = is_barebox ? "barebox" : "unknown";
> +	int (*func)(void) = NULL;
> +
> +	if (is_m25p80()) {
> +		func = bootstrap_board_read_m25p80();
> +		printf("Boot %s from m25p80\n", name);
> +		bootstrap_boot(func, is_barebox);
> +		bootstrap_err("... failled\n");
> +		free(func);
> +	}
> +	if (is_dataflash()) {
> +		printf("Boot %s from dataflash\n", name);
> +		func = bootstrap_board_read_dataflash();
> +		bootstrap_boot(func, is_barebox);
> +		bootstrap_err("... failled\n");
> +		free(func);
> +	}
> +	if (is_nand()) {
> +		printf("Boot %s from nand\n", name);
> +		func = bootstrap_read_devfs("nand0", true, SZ_128K, SZ_256K, SZ_1M);
> +		bootstrap_boot(func, is_barebox);
> +		bootstrap_err("... failled\n");
> +		free(func);
> +	}
> +}

Why can't you use IS_ENABLED(CONFIG_xxx) here?


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