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define. * grub-core/kern/mips/loongson/init.c (grub_machine_init): Check that PRID matches the detected subplatform and reset the subplatform if it doesn't.
87 lines
3.4 KiB
C
87 lines
3.4 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_LOONGSON_CPU_HEADER
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#define GRUB_LOONGSON_CPU_HEADER 1
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#include <grub/cpu/mips.h>
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#define GRUB_CPU_LOONGSON_FLASH_START 0xbfc00000
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#define GRUB_CPU_LOONGSON_FLASH_TLB_REFILL 0xbfc00200
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#define GRUB_CPU_LOONGSON_FLASH_CACHE_ERROR 0xbfc00300
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#define GRUB_CPU_LOONGSON_FLASH_OTHER_EXCEPTION 0xbfc00380
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#define GRUB_CPU_LOONGSON_DDR2_BASE 0xaffffe00
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#define GRUB_CPU_LOONGSON_DDR2_REG1_HI_8BANKS 0x00000001
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#define GRUB_CPU_LOONGSON_DDR2_REG_SIZE 0x8
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#define GRUB_CPU_LOONGSON_DDR2_REG_STEP 0x10
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#define GRUB_CPU_LOONGSON_COP0_CACHE_CONFIG GRUB_CPU_REGISTER_WRAP($16)
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#define GRUB_CPU_LOONGSON_COP0_CACHE_CONFIG_ILINESIZE 0x10
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#define GRUB_CPU_LOONGSON_COP0_CACHE_CONFIG_DLINESIZE 0x8
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#define GRUB_CPU_LOONGSON_COP0_CACHE_DSIZE_SHIFT 6
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#define GRUB_CPU_LOONGSON_COP0_CACHE_ISIZE_SHIFT 9
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#define GRUB_CPU_LOONGSON_COP0_CACHE_SIZE_MASK 0x7
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#define GRUB_CPU_LOONGSON_COP0_CACHE_SIZE_OFFSET 12
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#define GRUB_CPU_LOONGSON_COP0_I_INDEX_INVALIDATE 0
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#define GRUB_CPU_LOONGSON_COP0_D_INDEX_TAG_STORE 9
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#define GRUB_CPU_LOONGSON_COP0_S_INDEX_TAG_STORE 11
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#define GRUB_CPU_LOONGSON_COP0_I_INDEX_BIT_OFFSET 5
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#define GRUB_CPU_LOONGSON_COP0_D_INDEX_BIT_OFFSET 5
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#define GRUB_CPU_LOONGSON_COP0_S_INDEX_BIT_OFFSET 5
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#define GRUB_CPU_LOONGSON_CACHE_ACCELERATED 7
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#define GRUB_CPU_LOONGSON_CACHE_UNCACHED 2
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#define GRUB_CPU_LOONGSON_CACHE_CACHED 3
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#define GRUB_CPU_LOONGSON_CACHE_TYPE_MASK 7
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#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_LOG_SMALL 4
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#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_LOG_BIG 5
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#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_SMALL 16
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#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_BIG 32
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#define GRUB_CPU_LOONGSON_I_CACHE_LOG_WAYS 2
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#define GRUB_CPU_LOONGSON_D_CACHE_LOG_WAYS 2
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#define GRUB_CPU_LOONGSON_S_CACHE_LOG_WAYS 2
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/* FIXME: determine dynamically. */
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#define GRUB_CPU_LOONGSON_SECONDARY_CACHE_LOG_SIZE 19
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#define GRUB_CPU_LOONGSON_COP0_BADVADDR GRUB_CPU_REGISTER_WRAP($8)
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#define GRUB_CPU_LOONGSON_COP0_CAUSE GRUB_CPU_REGISTER_WRAP($13)
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#define GRUB_CPU_LOONGSON_COP0_EPC GRUB_CPU_REGISTER_WRAP($14)
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#define GRUB_CPU_LOONGSON_COP0_PRID GRUB_CPU_REGISTER_WRAP($15)
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#define GRUB_CPU_LOONGSON_COP0_CACHE_TAGLO GRUB_CPU_REGISTER_WRAP($28)
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#define GRUB_CPU_LOONGSON_COP0_CACHE_TAGHI GRUB_CPU_REGISTER_WRAP($29)
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#define GRUB_CPU_LOONGSON_LIOCFG 0xbfe00108
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#define GRUB_CPU_LOONGSON_ROM_DELAY_OFFSET 2
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#define GRUB_CPU_LOONGSON_ROM_DELAY_MASK 0x1f
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#define GRUB_CPU_LOONGSON_CORECFG 0xbfe00180
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#define GRUB_CPU_LOONGSON_CORECFG_DISABLE_DDR2_SPACE 0x100
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#define GRUB_CPU_LOONGSON_CORECFG_BUFFER_CPU 0x200
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#define GRUB_CPU_LOONGSON_PCI_HIT1_SEL_LO 0xbfe00150
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#define GRUB_CPU_LOONGSON_PCI_HIT1_SEL_HI 0xbfe00154
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#define GRUB_CPU_LOONGSON_GPIOCFG 0xbfe00120
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#define GRUB_CPU_YEELOONG_SHUTDOWN_GPIO 1
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#endif
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