[coreboot-gerrit] Change in coreboot[master]: mediatek/mt8183: support get current DRAM type

[huayang duan (Code Review)]

huayang duan has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/34433 )

Change subject: mediatek/mt8183: support get current DRAM type
......................................................................

Patch Set 3:

(1 comment)
> Patch Set 2:
>
> sorry, sdram_configs/*.c.
>
> Different boards may have different mapping for RAM code, so we should look at config directly.

--->
I moved this function into the src/mainboard/google/kukui/sdram_parms.c.
For google kukui borads, different boards may mounted different RAM, so we should get correct DDR type by read RAM code.

https://review.coreboot.org/c/coreboot/+/34433/2/src/soc/mediatek/mt8183/emi... 
File src/soc/mediatek/mt8183/emi.c:

https://review.coreboot.org/c/coreboot/+/34433/2/src/soc/mediatek/mt8183/emi... 
PS2, Line 46: int get_dram_type(void)
            : {
            : 	uint32_t ramcode = ram_code();
            : 	uint32_t dram_type;
            : 
            : 	switch (ramcode) {
            : 	case 0:
            : 	case 1:
            : 	case 2:
            : 		dram_type = DRAM_TYPE_DISCRETE;
            : 		break;
            : 	case 3:
            : 	case 4:
            : 	case 5:
            : 	case 6:
            : 	case 7:
            : 	default:
            : 		dram_type = DRAM_TYPE_EMCP;
            : 		break;
            : 	}
            : 
            : 	return dram_type;
            : }
> this is a board-specific thing and we should not put that in soc folder. […]

I moved this function into the src/mainboard/google/kukui/sdram_parms.c
Done