From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- include/grub/mips/loongson.h | 86 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 include/grub/mips/loongson.h (limited to 'include/grub/mips/loongson.h') diff --git a/include/grub/mips/loongson.h b/include/grub/mips/loongson.h new file mode 100644 index 0000000..e6f0241 --- /dev/null +++ b/include/grub/mips/loongson.h @@ -0,0 +1,86 @@ +/* + * 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 . + */ + +#ifndef GRUB_LOONGSON_CPU_HEADER +#define GRUB_LOONGSON_CPU_HEADER 1 + +#include + +#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 -- cgit v1.2.3