[PATCH v1 2/5] arm: socfpga: socfpga_soc64: Enable LMB_ARCH_MEM_MAP

[Chee, Tien Fong]

> -----Original Message-----
> From: Meng, Tingting <tingting.meng at altera.com>
> Sent: Monday, April 21, 2025 1:13 PM
> To: u-boot at lists.denx.de
> Cc: Marek Vasut <marex at denx.de>; Chee, Tien Fong
> <tien.fong.chee at altera.com>; Meng, Tingting <tingting.meng at altera.com>;
> Hea, Kok Kiang <kok.kiang.hea at altera.com>; Maniyam, Dinesh
> <dinesh.maniyam at altera.com>; Ng, Boon Khai <boon.khai.ng at altera.com>;
> Yuslaimi, Alif Zakuan <alif.zakuan.yuslaimi at altera.com>; Rosdi, Danish
> Ahmad <danish.ahmad.rosdi at altera.com>; Zamri, Muhammad Hazim Izzat
> <muhammad.hazim.izzat.zamri at altera.com>; Lim, Jit Loon
> <jit.loon.lim at altera.com>
> Subject: [PATCH v1 2/5] arm: socfpga: socfpga_soc64: Enable
> LMB_ARCH_MEM_MAP
> 
> From: Tingting Meng <tingting.meng at altera.com>
> 
> LMB_ARCH_MEM_MAP is enabled, and lmb_arch_add_memory() is
> introduced to correctly handle memory reservations for the second and third
> DDR memory banks.
> 
> Signed-off-by: Tingting Meng <tingting.meng at altera.com>
> ---
>  arch/arm/Kconfig              |  1 +
>  arch/arm/mach-socfpga/board.c | 13 +++++++++++++
>  2 files changed, 14 insertions(+)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index
> 83f6cb6edcc..df373d38a55 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1138,6 +1138,7 @@ config ARCH_SOCFPGA
>  	select DM_SERIAL
>  	select GPIO_EXTRA_HEADER
>  	select ENABLE_ARM_SOC_BOOT0_HOOK if
> TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10
> +	select LMB_ARCH_MEM_MAP if TARGET_SOCFPGA_SOC64
>  	select OF_CONTROL
>  	select SPL_DM_RESET if DM_RESET
>  	select SPL_DM_SERIAL
> diff --git a/arch/arm/mach-socfpga/board.c b/arch/arm/mach-
> socfpga/board.c index 27072e53135..8506d510413 100644
> --- a/arch/arm/mach-socfpga/board.c
> +++ b/arch/arm/mach-socfpga/board.c
> @@ -195,3 +195,16 @@ void board_prep_linux(struct bootm_headers
> *images)
>  	}
>  }
>  #endif
> +
> +#if CONFIG_IS_ENABLED(LMB_ARCH_MEM_MAP)
> +void lmb_arch_add_memory(void)
> +{
> +	int i;
> +	struct bd_info *bd = gd->bd;
> +
> +	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
> +		if (bd->bi_dram[i].size)
> +			lmb_add(bd->bi_dram[i].start, bd->bi_dram[i].size);
> +	}
> +}
> +#endif
> --
> 2.25.1

Reviewed-by: Tien Fong Chee <tien.fong.chee at altera.com>

Best regards,
Tien Fong