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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015-2016 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <linux/libfdt.h>
#include <linux/kernel.h>
#include <asm/global_data.h>
#include "init.h"
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_ARCH_UNIPHIER_LD4)
static const struct uniphier_board_data uniphier_ld4_data = {
.dram_freq = 1600,
.dram_ch[0] = {
.size = 0x10000000,
.width = 16,
},
.dram_ch[1] = {
.size = 0x10000000,
.width = 16,
},
.flags = UNIPHIER_BD_DDR3PLUS,
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
/* 1GB RAM board */
static const struct uniphier_board_data uniphier_pro4_data = {
.dram_freq = 1600,
.dram_ch[0] = {
.size = 0x20000000,
.width = 32,
},
.dram_ch[1] = {
.size = 0x20000000,
.width = 32,
},
};
/* 2GB RAM board */
static const struct uniphier_board_data uniphier_pro4_2g_data = {
.dram_freq = 1600,
.dram_ch[0] = {
.size = 0x40000000,
.width = 32,
},
.dram_ch[1] = {
.size = 0x40000000,
.width = 32,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
static const struct uniphier_board_data uniphier_sld8_data = {
.dram_freq = 1333,
.dram_ch[0] = {
.size = 0x10000000,
.width = 16,
},
.dram_ch[1] = {
.size = 0x10000000,
.width = 16,
},
.flags = UNIPHIER_BD_DDR3PLUS,
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
static const struct uniphier_board_data uniphier_pro5_data = {
.dram_freq = 1866,
.dram_ch[0] = {
.size = 0x20000000,
.width = 32,
},
.dram_ch[1] = {
.size = 0x20000000,
.width = 32,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
static const struct uniphier_board_data uniphier_pxs2_data = {
.dram_freq = 2133,
.dram_ch[0] = {
.size = 0x40000000,
.width = 32,
},
.dram_ch[1] = {
.size = 0x20000000,
.width = 32,
},
.dram_ch[2] = {
.size = 0x20000000,
.width = 16,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
static const struct uniphier_board_data uniphier_ld6b_data = {
.dram_freq = 1866,
.dram_ch[0] = {
.size = 0x40000000,
.width = 32,
},
.dram_ch[1] = {
.size = 0x20000000,
.width = 32,
},
.dram_ch[2] = {
.size = 0x20000000,
.width = 16,
},
};
#endif
struct uniphier_board_id {
const char *compatible;
const struct uniphier_board_data *param;
};
static const struct uniphier_board_id uniphier_boards[] = {
#if defined(CONFIG_ARCH_UNIPHIER_LD4)
{ "socionext,uniphier-ld4", &uniphier_ld4_data, },
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
{ "socionext,uniphier-pro4-ace", &uniphier_pro4_2g_data, },
{ "socionext,uniphier-pro4-sanji", &uniphier_pro4_2g_data, },
{ "socionext,uniphier-pro4", &uniphier_pro4_data, },
#endif
#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
{ "socionext,uniphier-sld8", &uniphier_sld8_data, },
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
{ "socionext,uniphier-pro5", &uniphier_pro5_data, },
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
{ "socionext,uniphier-pxs2", &uniphier_pxs2_data, },
#endif
#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
{ "socionext,uniphier-ld6b", &uniphier_ld6b_data, },
#endif
};
const struct uniphier_board_data *uniphier_get_board_param(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) {
if (!fdt_node_check_compatible(gd->fdt_blob, 0,
uniphier_boards[i].compatible))
return uniphier_boards[i].param;
}
return NULL;
}
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