diff options
Diffstat (limited to 'src/soc/amd/common/block')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/Makefile.inc | 7 | ||||
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/biosram.c | 50 | ||||
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/biosram.h | 33 | ||||
| -rw-r--r-- | src/soc/amd/common/block/pi/agesawrapper.c | 2 |
4 files changed, 91 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/acpimmio/Makefile.inc b/src/soc/amd/common/block/acpimmio/Makefile.inc index 9517b10b8a..69253b9203 100644 --- a/src/soc/amd/common/block/acpimmio/Makefile.inc +++ b/src/soc/amd/common/block/acpimmio/Makefile.inc @@ -4,3 +4,10 @@ romstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += mmio_util.c postcar-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += mmio_util.c ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += mmio_util.c smm-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += mmio_util.c + +bootblock-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += biosram.c +verstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += biosram.c +romstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += biosram.c +postcar-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += biosram.c +ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += biosram.c +smm-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPIMMIO) += biosram.c diff --git a/src/soc/amd/common/block/acpimmio/biosram.c b/src/soc/amd/common/block/acpimmio/biosram.c new file mode 100644 index 0000000000..f0a1257fb9 --- /dev/null +++ b/src/soc/amd/common/block/acpimmio/biosram.c @@ -0,0 +1,50 @@ +/* + * This file is part of the coreboot project. + * + * This program 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; version 2 of the License. + * + * 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 <cbmem.h> +#include <amdblocks/acpimmio.h> +#include <amdblocks/biosram.h> + +void backup_top_of_low_cacheable(uintptr_t ramtop) +{ + biosram_write32(BIOSRAM_CBMEM_TOP, ramtop); +} + +uintptr_t restore_top_of_low_cacheable(void) +{ + return biosram_read32(BIOSRAM_CBMEM_TOP); +} + +void save_uma_size(uint32_t size) +{ + biosram_write32(BIOSRAM_UMA_SIZE, size); +} + +void save_uma_base(uint64_t base) +{ + biosram_write32(BIOSRAM_UMA_BASE, (uint32_t) base); + biosram_write32(BIOSRAM_UMA_BASE + 4, (uint32_t) (base >> 32)); +} + +uint32_t get_uma_size(void) +{ + return biosram_read32(BIOSRAM_UMA_SIZE); +} + +uint64_t get_uma_base(void) +{ + uint64_t base; + base = biosram_read32(BIOSRAM_UMA_BASE); + base |= ((uint64_t)(biosram_read32(BIOSRAM_UMA_BASE + 4)) << 32); + return base; +} diff --git a/src/soc/amd/common/block/include/amdblocks/biosram.h b/src/soc/amd/common/block/include/amdblocks/biosram.h new file mode 100644 index 0000000000..e2c1eb33f7 --- /dev/null +++ b/src/soc/amd/common/block/include/amdblocks/biosram.h @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * This program 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; version 2 of the License. + * + * 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 __AMDBLOCKS_BIOSRAM_H__ +#define __AMDBLOCKS_BIOSRAM_H__ + +#include <stdint.h> + +/* BiosRam Ranges at 0xfed80500 or I/O 0xcd4/0xcd5 */ +#define BIOSRAM_CBMEM_TOP 0xf0 /* 4 bytes */ +#define BIOSRAM_UMA_SIZE 0xf4 /* 4 bytes */ +#define BIOSRAM_UMA_BASE 0xf8 /* 8 bytes */ + +/* Saves the UMA size returned by AGESA */ +void save_uma_size(uint32_t size); +/* Saves the UMA base address returned by AGESA */ +void save_uma_base(uint64_t base); +/* Returns the saved UMA size */ +uint32_t get_uma_size(void); +/* Returns the saved UMA base */ +uint64_t get_uma_base(void); + +#endif diff --git a/src/soc/amd/common/block/pi/agesawrapper.c b/src/soc/amd/common/block/pi/agesawrapper.c index c5464df834..45842168de 100644 --- a/src/soc/amd/common/block/pi/agesawrapper.c +++ b/src/soc/amd/common/block/pi/agesawrapper.c @@ -18,11 +18,11 @@ #include <cbmem.h> #include <console/console.h> #include <timestamp.h> +#include <amdblocks/biosram.h> #include <amdblocks/s3_resume.h> #include <amdblocks/agesawrapper.h> #include <amdblocks/BiosCallOuts.h> #include <soc/pci_devs.h> -#include <soc/southbridge.h> #include <soc/northbridge.h> #include <soc/cpu.h> |