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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79 lines
2.0 KiB
79 lines
2.0 KiB
/*
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* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
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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 <mmc.h>
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#include <spl.h>
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#include "../sbc/sbc-regs.h"
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#include "../soc-info.h"
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#include "boot-device.h"
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u32 spl_boot_device_raw(void)
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{
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if (boot_is_swapped())
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return BOOT_DEVICE_NOR;
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switch (uniphier_get_soc_type()) {
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#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3)
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case SOC_UNIPHIER_PH1_SLD3:
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return ph1_sld3_boot_device();
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4) || \
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defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4) || \
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defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
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case SOC_UNIPHIER_PH1_LD4:
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case SOC_UNIPHIER_PH1_PRO4:
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case SOC_UNIPHIER_PH1_SLD8:
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return ph1_ld4_boot_device();
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO5)
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case SOC_UNIPHIER_PH1_PRO5:
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return ph1_pro5_boot_device();
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_PROXSTREAM2) || \
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defined(CONFIG_ARCH_UNIPHIER_PH1_LD6B)
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case SOC_UNIPHIER_PROXSTREAM2:
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case SOC_UNIPHIER_PH1_LD6B:
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return proxstream2_boot_device();
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#endif
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default:
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return BOOT_DEVICE_NONE;
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}
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}
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u32 spl_boot_device(void)
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{
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u32 ret;
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ret = spl_boot_device_raw();
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return ret == BOOT_DEVICE_USB ? BOOT_DEVICE_NOR : ret;
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}
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u32 spl_boot_mode(void)
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{
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struct mmc *mmc;
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/*
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* work around a bug in the Boot ROM of PH1-sLD3, LD4, Pro4, and sLD8:
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*
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* The boot ROM in these SoCs breaks the PARTITION_CONFIG [179] of
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* Extended CSD register; when switching to the Boot Partition 1, the
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* Boot ROM should issue the SWITCH command (CMD6) with Set Bits for
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* the Access Bits, but in fact it uses Write Byte for the Access Bits.
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* As a result, the BOOT_PARTITION_ENABLE field of the PARTITION_CONFIG
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* is lost. This bug was fixed for PH1-Pro5 and later SoCs.
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*
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* Fixup mmc->part_config here because it is used to determine the
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* partition which the U-Boot image is read from.
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*/
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mmc = find_mmc_device(0);
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mmc->part_config &= ~EXT_CSD_BOOT_PART_NUM(PART_ACCESS_MASK);
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mmc->part_config |= EXT_CSD_BOOT_PARTITION_ENABLE;
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return MMCSD_MODE_EMMCBOOT;
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}
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