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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88 lines
1.7 KiB
88 lines
1.7 KiB
/*
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* Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dwmmc.h>
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#include <malloc.h>
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#include <netdev.h>
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#include <phy.h>
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#include "axs10x.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_mmc_init(bd_t *bis)
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{
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struct dwmci_host *host = NULL;
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host = malloc(sizeof(struct dwmci_host));
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if (!host) {
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printf("dwmci_host malloc fail!\n");
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return 1;
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}
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memset(host, 0, sizeof(struct dwmci_host));
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host->name = "Synopsys Mobile storage";
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host->ioaddr = (void *)ARC_DWMMC_BASE;
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host->buswidth = 4;
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host->dev_index = 0;
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host->bus_hz = 50000000;
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add_dwmci(host, host->bus_hz / 2, 400000);
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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if (designware_initialize(ARC_DWGMAC_BASE,
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PHY_INTERFACE_MODE_RGMII) >= 0)
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return 1;
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return 0;
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}
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#define AXS_MB_CREG 0xE0011000
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int board_early_init_f(void)
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{
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if (readl((void __iomem *)AXS_MB_CREG + 0x234) & (1 << 28))
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gd->board_type = AXS_MB_V3;
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else
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gd->board_type = AXS_MB_V2;
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return 0;
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}
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#ifdef CONFIG_ISA_ARCV2
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#define RESET_VECTOR_ADDR 0x0
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void smp_set_core_boot_addr(unsigned long addr, int corenr)
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{
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/* All cores have reset vector pointing to 0 */
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writel(addr, (void __iomem *)RESET_VECTOR_ADDR);
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/* Make sure other cores see written value in memory */
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flush_dcache_range(RESET_VECTOR_ADDR, RESET_VECTOR_ADDR + sizeof(int));
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}
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void smp_kick_all_cpus(void)
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{
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/* CPU start CREG */
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#define AXC003_CREG_CPU_START 0xF0001400
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/* Bits positions in CPU start CREG */
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#define BITS_START 0
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#define BITS_POLARITY 8
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#define BITS_CORE_SEL 9
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#define BITS_MULTICORE 12
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#define CMD (1 << BITS_MULTICORE) | (1 << BITS_CORE_SEL) | \
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(1 << BITS_POLARITY) | (1 << BITS_START)
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writel(CMD, (void __iomem *)AXC003_CREG_CPU_START);
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}
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#endif
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