58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
/*
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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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*/
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#include <common.h>
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#include <bootsource.h>
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#include <environment.h>
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#include <init.h>
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#include <io.h>
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#include <mach/socfpga-regs.h>
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#include <mach/system-manager.h>
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#define SYSMGR_BOOTINFO 0x14
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static int socfpga_boot_save_loc(void)
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{
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enum bootsource src = BOOTSOURCE_UNKNOWN;
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uint32_t val;
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val = readl(CYCLONE5_SYSMGR_ADDRESS + SYSMGR_BOOTINFO);
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switch (val & 0x7) {
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case 0:
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/* reserved */
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break;
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case 1:
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/* FPGA, currently not decoded */
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break;
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case 2:
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case 3:
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src = BOOTSOURCE_NAND;
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break;
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case 4:
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case 5:
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src = BOOTSOURCE_MMC;
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break;
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case 6:
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case 7:
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src = BOOTSOURCE_SPI;
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break;
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}
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bootsource_set(src);
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bootsource_set_instance(0);
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return 0;
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}
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core_initcall(socfpga_boot_save_loc);
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