blob: d94d9b8a19e55bd31c31aeee80185d7a6bc170fb [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* GXP timer driver
*
* (C) Copyright 2022 Hewlett Packard Enterprise Development LP.
* Author: Nick Hawkins <nick.hawkins@hpe.com>
* Author: Jean-Marie Verdun <verdun@hpe.com>
*/
#include <linux/sizes.h>
#include <asm/io.h>
#include <dm.h>
#include <dm/uclass.h>
#include <ram.h>
DECLARE_GLOBAL_DATA_PTR;
#define ECHI_CMD 0xcefe0010
int board_init(void)
{
writel(0x00080002, ECHI_CMD);
return 0;
}
int dram_init(void)
{
if (IS_ENABLED(CONFIG_TARGET_GXP)) {
if (IS_ENABLED(CONFIG_GXP_ECC)) {
/* 0x0f800000 */
gd->ram_size = SZ_128M + SZ_64M + SZ_32M + SZ_16M + SZ_8M;
} else {
/* 0x1f000000 */
gd->ram_size = SZ_256M + SZ_128M + SZ_64M + SZ_32M + SZ_16M;
}
if (IS_ENABLED(CONFIG_GXP_VROM_64MB)) {
if (IS_ENABLED(CONFIG_GXP_ECC)) {
/* 0x0c000000 */
gd->ram_size = SZ_128M + SZ_64M;
} else {
/* 0x18000000 */
gd->ram_size = SZ_256M + SZ_128M;
}
}
if (IS_ENABLED(CONFIG_GXP_VROM_32MB)) {
if (IS_ENABLED(CONFIG_GXP_ECC)) {
/* 0x0e000000 */
gd->ram_size = SZ_128M + SZ_64M + SZ_32M;
} else {
/* 0x1c000000 */
gd->ram_size = SZ_256M + SZ_128M + SZ_64M;
}
}
}
if (IS_ENABLED(CONFIG_TARGET_GXP2)) {
/* 0x1b200000 */
gd->ram_size = SZ_256M + SZ_128M + SZ_32M + SZ_16M + SZ_2M;
if (IS_ENABLED(CONFIG_GXP_VROM_64MB)) {
/* 0x14000000 */
gd->ram_size = SZ_256M + SZ_64M;
}
if (IS_ENABLED(CONFIG_GXP_VROM_32MB)) {
/* 0x18000000 */
gd->ram_size = SZ_256M + SZ_128M;
}
}
return 0;
}