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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <mainboard/google/cyan/spd/spd_util.h>
/*
* 0b0000 - 4GiB total - 2 x 2GiB Samsung K4E8E304EE-EGCE
* 0b0001 - 4GiB total - 2 x 2GiB Hynix H9CCNNN8JTBLAR-NUD
* 0b0010 - 2GiB total - 1 x 2GiB Samsung K4E8E304EE-EGCE
* 0b0011 - 2GiB total - 1 x 2GiB Hynix H9CCNNN8JTBLAR-NUD
* 0b0100 - 8GiB total - 2 x 4GiB Samsung K4E8E324EB-EGCF (dual)
* 0b0101 - 4GiB total - 2 x 2GiB Micron LPDDR3 MT52L256M32D1PF-107 (dual)
* 0b0110 - 4GiB total - 1 x 4GiB Samsung K4E8E324EB-EGCF
* 0b0111 - 2GiB total - 1 x 2GiB Micron LPDDR3 MT52L256M32D1PF-107
* 0b1000 - 4GiB total - 2 x 2GiB NANYA NT6CL256T32CM-H1 (dual)
* 0b1001 - 4GiB total - 2 x 2GiB Hynix H9CCNNN8GTALAR-NUD (dual)
* 0b1010 - 2GiB total - 1 x 2GiB NANYA NT6CL256T32CM-H1
* 0b1011 - 2GiB total - 1 x 2GiB Hynix H9CCNNN8GTALAR-NUD
*/
int get_variant_spd_index(int ram_id, int *dual)
{
/* Determine if single or dual channel memory system */
/* RAMID1 is deterministic for edgar */
*dual = ((ram_id >> 1) & 0x1) ? 0 : 1;
/* Display the RAM type */
switch (ram_id) {
case 0:
printk(BIOS_DEBUG, "4GiB Samsung K4E8E304EE-EGCE\n");
break;
case 1:
printk(BIOS_DEBUG, "4GiB Hynix H9CCNNN8JTBLAR-NUD\n");
break;
case 2:
printk(BIOS_DEBUG, "2GiB Samsung K4E8E304EE-EGCE\n");
break;
case 3:
printk(BIOS_DEBUG, "2GiB Hynix H9CCNNN8JTBLAR-NUD\n");
break;
case 4:
printk(BIOS_DEBUG, "4GiB Samsung K4E8E324EB-EGCF\n");
break;
case 5:
printk(BIOS_DEBUG, "4GiB Micron LPDDR3 MT52L256M32D1PF-107\n");
break;
case 6:
printk(BIOS_DEBUG, "2GiB Samsung K4E8E324EB-EGCF\n");
break;
case 7:
printk(BIOS_DEBUG, "2GiB Micron LPDDR3 MT52L256M32D1PF-107\n");
break;
case 8:
printk(BIOS_DEBUG, "4GiB NANYA NT6CL256T32CM-H1\n");
break;
case 9:
printk(BIOS_DEBUG, "4GiB Hynix H9CCNNN8GTALAR-NUD\n");
break;
case 10:
printk(BIOS_DEBUG, "2GiB NANYA NT6CL256T32CM-H1\n");
break;
case 11:
printk(BIOS_DEBUG, "2GiB Hynix H9CCNNN8GTALAR-NUD\n");
break;
}
/* 1:1 mapping between ram_id and spd_index for edgar */
return ram_id;
}
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