diff options
| -rw-r--r-- | src/soc/qualcomm/sdm845/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/qualcomm/sdm845/bootblock.c | 3 | ||||
| -rw-r--r-- | src/soc/qualcomm/sdm845/include/soc/mmu.h | 21 | ||||
| -rw-r--r-- | src/soc/qualcomm/sdm845/include/soc/symbols.h | 29 | ||||
| -rw-r--r-- | src/soc/qualcomm/sdm845/mmu.c | 32 |
5 files changed, 85 insertions, 1 deletions
diff --git a/src/soc/qualcomm/sdm845/Makefile.inc b/src/soc/qualcomm/sdm845/Makefile.inc index f55fea4add..bb27ef3f06 100644 --- a/src/soc/qualcomm/sdm845/Makefile.inc +++ b/src/soc/qualcomm/sdm845/Makefile.inc @@ -5,6 +5,7 @@ ifeq ($(CONFIG_SOC_QUALCOMM_SDM845),y) bootblock-y += bootblock.c bootblock-y += timer.c bootblock-y += spi.c +bootblock-y += mmu.c ################################################################################ verstage-y += timer.c diff --git a/src/soc/qualcomm/sdm845/bootblock.c b/src/soc/qualcomm/sdm845/bootblock.c index 3ed37ae2d1..019639d763 100644 --- a/src/soc/qualcomm/sdm845/bootblock.c +++ b/src/soc/qualcomm/sdm845/bootblock.c @@ -14,8 +14,9 @@ */ #include <bootblock_common.h> +#include <soc/mmu.h> void bootblock_soc_init(void) { - + sdm845_mmu_init(); } diff --git a/src/soc/qualcomm/sdm845/include/soc/mmu.h b/src/soc/qualcomm/sdm845/include/soc/mmu.h new file mode 100644 index 0000000000..c9883bc0bf --- /dev/null +++ b/src/soc/qualcomm/sdm845/include/soc/mmu.h @@ -0,0 +1,21 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program 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. + */ + +#ifndef _SOC_QUALCOMM_SDM845_MMU_H__ +#define _SOC_QUALCOMM_SDM845_MMU_H__ + +void sdm845_mmu_init(void); + +#endif // _SOC_QUALCOMM_SDM845_MMU_H_ diff --git a/src/soc/qualcomm/sdm845/include/soc/symbols.h b/src/soc/qualcomm/sdm845/include/soc/symbols.h new file mode 100644 index 0000000000..6642eab194 --- /dev/null +++ b/src/soc/qualcomm/sdm845/include/soc/symbols.h @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program 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. + */ + +#ifndef _SOC_QUALCOMM_SDM845_SYMBOLS_H_ +#define _SOC_QUALCOMM_SDM845_SYMBOLS_H_ + +#include <types.h> + +extern u8 _ssram[]; +extern u8 _essram[]; +#define _ssram_size (_essram - _ssram) + +extern u8 _bsram[]; +extern u8 _ebsram[]; +#define _bsram_size (_ebsram - _bsram) + +#endif // _SOC_QUALCOMM_SDM845_SYMBOLS_H_ diff --git a/src/soc/qualcomm/sdm845/mmu.c b/src/soc/qualcomm/sdm845/mmu.c new file mode 100644 index 0000000000..12219e8817 --- /dev/null +++ b/src/soc/qualcomm/sdm845/mmu.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program 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. + */ + +#include <symbols.h> +#include <arch/mmu.h> +#include <arch/cache.h> +#include <soc/mmu.h> +#include <soc/symbols.h> + +void sdm845_mmu_init() +{ + mmu_init(); + + mmu_config_range((void *)(4 * KiB), ((4UL * GiB) - (4 * KiB)), + MA_DEV | MA_S | MA_RW); + mmu_config_range((void *)_ssram, _ssram_size, MA_MEM | MA_S | MA_RW); + mmu_config_range((void *)_bsram, _bsram_size, MA_MEM | MA_S | MA_RW); + + mmu_enable(); +} |