[PATCH v1 5/7] apalis-imx8: add implementation for board_mem_get_layout

Oleksandr Suvorov
2020-10-30T15:19:35Z

On Thu, Oct 22, 2020 at 11:22 AM Igor Opaniuk <igor.opaniuk@gmail.com> wrote:
>
> From: Igor Opaniuk <igor.opaniuk@toradex.com>
>
> Add implementation of board_mem_get_layout for overriding the memory
> layout.
>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>

Acked-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>

> ---
>
> board/toradex/apalis-imx8/apalis-imx8.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/board/toradex/apalis-imx8/apalis-imx8.c b/board/toradex/apalis-imx8/apalis-imx8.c
> index 9263b0f51f..2ed66261d2 100644
> --- a/board/toradex/apalis-imx8/apalis-imx8.c
> +++ b/board/toradex/apalis-imx8/apalis-imx8.c
> @@ -37,6 +37,29 @@ static void setup_iomux_uart(void)
> imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
> }
>
> +void board_mem_get_layout(u64 *phys_sdram_1_start,
> + u64 *phys_sdram_1_size,
> + u64 *phys_sdram_2_start,
> + u64 *phys_sdram_2_size)
> +{
> + u32 is_quadplus = 0, val = 0;
> + sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val);
> +
> + if (scierr == SC_ERR_NONE) {
> + /* QP has one A72 core disabled */
> + is_quadplus = ((val >> 4) & 0x3) != 0x0;
> + }
> +
> + *phys_sdram_1_start = PHYS_SDRAM_1;
> + *phys_sdram_1_size = PHYS_SDRAM_1_SIZE;
> + *phys_sdram_2_start = PHYS_SDRAM_2;
> + if (is_quadplus)
> + /* Our QP based SKUs only have 2 GB RAM (PHYS_SDRAM_1_SIZE) */
> + *phys_sdram_2_size = 0x0UL;
> + else
> + *phys_sdram_2_size = PHYS_SDRAM_2_SIZE;
> +}
> +
> int board_early_init_f(void)
> {
> sc_pm_clock_rate_t rate = SC_80MHZ;
> --
> 2.17.1
>

--
Best regards
Oleksandr Suvorov

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