0d1fd0113b
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.
86 lines
3.4 KiB
C
86 lines
3.4 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2010 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef GRUB_LOONGSON_CPU_HEADER
|
|
#define GRUB_LOONGSON_CPU_HEADER 1
|
|
|
|
#include <grub/cpu/mips.h>
|
|
|
|
#define GRUB_CPU_LOONGSON_FLASH_START 0xbfc00000
|
|
#define GRUB_CPU_LOONGSON_FLASH_TLB_REFILL 0xbfc00200
|
|
#define GRUB_CPU_LOONGSON_FLASH_CACHE_ERROR 0xbfc00300
|
|
#define GRUB_CPU_LOONGSON_FLASH_OTHER_EXCEPTION 0xbfc00380
|
|
|
|
#define GRUB_CPU_LOONGSON_DDR2_BASE 0xaffffe00
|
|
#define GRUB_CPU_LOONGSON_DDR2_REG1_HI_8BANKS 0x00000001
|
|
#define GRUB_CPU_LOONGSON_DDR2_REG_SIZE 0x8
|
|
#define GRUB_CPU_LOONGSON_DDR2_REG_STEP 0x10
|
|
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_CONFIG GRUB_CPU_REGISTER_WRAP($16)
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_CONFIG_ILINESIZE 0x10
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_CONFIG_DLINESIZE 0x8
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_DSIZE_SHIFT 6
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_ISIZE_SHIFT 9
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_SIZE_MASK 0x7
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_SIZE_OFFSET 12
|
|
|
|
#define GRUB_CPU_LOONGSON_COP0_I_INDEX_INVALIDATE 0
|
|
#define GRUB_CPU_LOONGSON_COP0_D_INDEX_TAG_STORE 9
|
|
#define GRUB_CPU_LOONGSON_COP0_S_INDEX_TAG_STORE 11
|
|
|
|
#define GRUB_CPU_LOONGSON_COP0_I_INDEX_BIT_OFFSET 5
|
|
#define GRUB_CPU_LOONGSON_COP0_D_INDEX_BIT_OFFSET 5
|
|
#define GRUB_CPU_LOONGSON_COP0_S_INDEX_BIT_OFFSET 5
|
|
|
|
#define GRUB_CPU_LOONGSON_CACHE_ACCELERATED 7
|
|
#define GRUB_CPU_LOONGSON_CACHE_UNCACHED 2
|
|
#define GRUB_CPU_LOONGSON_CACHE_CACHED 3
|
|
#define GRUB_CPU_LOONGSON_CACHE_TYPE_MASK 7
|
|
#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_LOG_SMALL 4
|
|
#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_LOG_BIG 5
|
|
#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_SMALL 16
|
|
#define GRUB_CPU_LOONGSON_CACHE_LINE_SIZE_BIG 32
|
|
|
|
#define GRUB_CPU_LOONGSON_I_CACHE_LOG_WAYS 2
|
|
#define GRUB_CPU_LOONGSON_D_CACHE_LOG_WAYS 2
|
|
#define GRUB_CPU_LOONGSON_S_CACHE_LOG_WAYS 2
|
|
|
|
/* FIXME: determine dynamically. */
|
|
#define GRUB_CPU_LOONGSON_SECONDARY_CACHE_LOG_SIZE 19
|
|
|
|
#define GRUB_CPU_LOONGSON_COP0_BADVADDR GRUB_CPU_REGISTER_WRAP($8)
|
|
#define GRUB_CPU_LOONGSON_COP0_CAUSE GRUB_CPU_REGISTER_WRAP($13)
|
|
#define GRUB_CPU_LOONGSON_COP0_EPC GRUB_CPU_REGISTER_WRAP($14)
|
|
#define GRUB_CPU_LOONGSON_COP0_PRID GRUB_CPU_REGISTER_WRAP($15)
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_TAGLO GRUB_CPU_REGISTER_WRAP($28)
|
|
#define GRUB_CPU_LOONGSON_COP0_CACHE_TAGHI GRUB_CPU_REGISTER_WRAP($29)
|
|
|
|
#define GRUB_CPU_LOONGSON_LIOCFG 0xbfe00108
|
|
#define GRUB_CPU_LOONGSON_ROM_DELAY_OFFSET 2
|
|
#define GRUB_CPU_LOONGSON_ROM_DELAY_MASK 0x1f
|
|
#define GRUB_CPU_LOONGSON_CORECFG 0xbfe00180
|
|
#define GRUB_CPU_LOONGSON_CORECFG_DISABLE_DDR2_SPACE 0x100
|
|
#define GRUB_CPU_LOONGSON_CORECFG_BUFFER_CPU 0x200
|
|
|
|
#define GRUB_CPU_LOONGSON_PCI_HIT1_SEL_LO 0xbfe00150
|
|
#define GRUB_CPU_LOONGSON_PCI_HIT1_SEL_HI 0xbfe00154
|
|
|
|
#define GRUB_CPU_LOONGSON_GPIOCFG 0xbfe00120
|
|
#define GRUB_CPU_YEELOONG_SHUTDOWN_GPIO 1
|
|
|
|
#endif
|