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