upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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70 lines
1.8 KiB
70 lines
1.8 KiB
/*
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* Copyright 2008 Freescale Semiconductor, Inc.
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/fsl_law.h>
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#include <asm/io.h>
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#define LAWAR_EN 0x80000000
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void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
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{
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volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
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volatile u32 *lawbar = base + 8 * idx;
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volatile u32 *lawar = base + 8 * idx + 2;
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out_be32(lawbar, addr >> 12);
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out_be32(lawar, LAWAR_EN | ((u32)id << 20) | (u32)sz);
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return ;
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}
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void disable_law(u8 idx)
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{
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volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
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volatile u32 *lawbar = base + 8 * idx;
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volatile u32 *lawar = base + 8 * idx + 2;
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out_be32(lawar, 0);
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out_be32(lawbar, 0);
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return;
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}
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void init_laws(void)
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{
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int i;
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u8 law_idx = 0;
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for (i = 0; i < num_law_entries; i++) {
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if (law_table[i].index != -1)
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law_idx = law_table[i].index;
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set_law(law_idx++, law_table[i].addr,
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law_table[i].size, law_table[i].trgt_id);
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}
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return ;
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}
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