| 1 | /* atlys.S -- Support for the Atlys board. |
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| 2 | * |
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| 3 | * Copyright (c) 2012 Authors |
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| 4 | * |
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| 5 | * Contributor Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> |
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| 6 | * |
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| 7 | * The authors hereby grant permission to use, copy, modify, distribute, |
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| 8 | * and license this software and its documentation for any purpose, provided |
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| 9 | * that existing copyright notices are retained in all copies and that this |
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| 10 | * notice is included verbatim in any distributions. No written agreement, |
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| 11 | * license, or royalty fee is required for any of the authorized uses. |
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| 12 | * Modifications to this software may be copyrighted by their authors |
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| 13 | * and need not follow the licensing terms described here, provided that |
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| 14 | * the new terms are clearly indicated on the first page of each file where |
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| 15 | * they apply. |
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| 16 | */ |
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| 17 | |
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| 18 | #include "../include/or1k-asm.h" |
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| 19 | #include "../include/or1k-nop.h" |
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| 20 | |
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| 21 | /* |
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| 22 | * Define symbols to be used during startup - file is linked at compile time |
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| 23 | * |
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| 24 | */ |
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| 25 | .weak _or1k_board_mem_base |
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| 26 | .weak _or1k_board_mem_size |
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| 27 | .weak _or1k_board_clk_freq |
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| 28 | |
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| 29 | _or1k_board_mem_base: .long 0x0 |
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| 30 | _or1k_board_mem_size: .long 0x2000000 |
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| 31 | |
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| 32 | _or1k_board_clk_freq: .long 50000000 |
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| 33 | |
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| 34 | /* Peripheral information - Set base to 0 if not present*/ |
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| 35 | .weak _or1k_board_uart_base |
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| 36 | .weak _or1k_board_uart_baud |
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| 37 | .weak _or1k_board_uart_IRQ |
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| 38 | |
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| 39 | _or1k_board_uart_base: .long 0x90000000 |
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| 40 | _or1k_board_uart_baud: .long 115200 |
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| 41 | _or1k_board_uart_IRQ: .long 2 |
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| 42 | |
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| 43 | .weak _or1k_board_exit |
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| 44 | _or1k_board_exit: |
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| 45 | l.nop OR1K_NOP_K_EXIT_QUIET |
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| 46 | .Lexitloop: |
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| 47 | OR1K_DELAYED_NOP(l.j .Lexitloop) |
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| 48 | |
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| 49 | .global _or1k_board_init_early |
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| 50 | _or1k_board_init_early: |
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| 51 | OR1K_DELAYED_NOP(l.jr r9) |
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| 52 | |
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| 53 | .weak _or1k_board_init |
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| 54 | _or1k_board_init: |
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| 55 | OR1K_DELAYED_NOP(l.jr r9) |
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