On 3/12/19 9:31 AM, Ley Foon Tan wrote:
> Add ft_board_setup() function to setup memory banks before
> boot to Linux.
Shouldn't bootm/booti be doing just that already ?
> Signed-off-by: Ley Foon Tan <ley.foon....@intel.com>
> ---
> board/altera/stratix10-socdk/socfpga.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/board/altera/stratix10-socdk/socfpga.c
> b/board/altera/stratix10-socdk/socfpga.c
> index 99c10d313c..ca6e0e9085 100644
> --- a/board/altera/stratix10-socdk/socfpga.c
> +++ b/board/altera/stratix10-socdk/socfpga.c
> @@ -5,6 +5,7 @@
> */
>
> #include <common.h>
> +#include <fdt_support.h>
> #include <asm/arch/sdram.h>
> #include <linux/sizes.h>
>
> @@ -17,3 +18,27 @@ ulong board_get_usable_ram_top(ulong total_size)
> return sdram_calculate_size();
> }
> #endif
> +
> +#ifdef CONFIG_OF_BOARD_SETUP
> +int ft_board_setup(void *blob, bd_t *bd)
> +{
> + int ret = 0;
> +#ifdef CONFIG_OF_LIBFDT
> + int bank;
> + int actual_bank = 0;
> + u64 start[CONFIG_NR_DRAM_BANKS];
> + u64 size[CONFIG_NR_DRAM_BANKS];
> +
> + for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
> + if (bd->bi_dram[bank].size) {
> + start[actual_bank] = bd->bi_dram[bank].start;
> + size[actual_bank++] = bd->bi_dram[bank].size;
> + }
> + }
> +
> + ret = fdt_fixup_memory_banks(blob, start, size, actual_bank);
> +#endif /* CONFIG_OF_LIBFDT */
> +
> + return ret;
> +}
> +#endif
>
--
Best regards,
Marek Vasut
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