diff options
Diffstat (limited to 'src/soc/intel/fsp_baytrail')
| -rw-r--r-- | src/soc/intel/fsp_baytrail/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/intel/fsp_baytrail/baytrail/smm.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/fsp_baytrail/memmap.c | 22 | ||||
| -rw-r--r-- | src/soc/intel/fsp_baytrail/raminit.c | 47 |
4 files changed, 21 insertions, 52 deletions
diff --git a/src/soc/intel/fsp_baytrail/Makefile.inc b/src/soc/intel/fsp_baytrail/Makefile.inc index fcbe6e7e9e..3896e851e7 100644 --- a/src/soc/intel/fsp_baytrail/Makefile.inc +++ b/src/soc/intel/fsp_baytrail/Makefile.inc @@ -44,8 +44,6 @@ ramstage-y += ramstage.c ramstage-y += gpio.c romstage-y += gpio.c ramstage-y += pmutil.c -romstage-y += raminit.c -ramstage-y += raminit.c ramstage-y += southcluster.c romstage-y += reset.c ramstage-y += reset.c diff --git a/src/soc/intel/fsp_baytrail/baytrail/smm.h b/src/soc/intel/fsp_baytrail/baytrail/smm.h index 0208c9f290..136c2ca66e 100644 --- a/src/soc/intel/fsp_baytrail/baytrail/smm.h +++ b/src/soc/intel/fsp_baytrail/baytrail/smm.h @@ -36,7 +36,7 @@ static inline int smm_region_size(void) return CONFIG_SMM_TSEG_SIZE; } -void *smm_region_start(void); +uintptr_t smm_region_start(void); #if !defined(__PRE_RAM__) && !defined(__SMM___) #include <stdint.h> diff --git a/src/soc/intel/fsp_baytrail/memmap.c b/src/soc/intel/fsp_baytrail/memmap.c index 83858b89a8..615916b96d 100644 --- a/src/soc/intel/fsp_baytrail/memmap.c +++ b/src/soc/intel/fsp_baytrail/memmap.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2013 Google, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC. * * 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 @@ -21,8 +22,25 @@ #include <cbmem.h> #include <baytrail/iosf.h> #include <baytrail/smm.h> +#include <drivers/intel/fsp/fsp_util.h> -void *smm_region_start(void) +uintptr_t smm_region_start(void) { - return (void *)(iosf_bunit_read(BUNIT_SMRRL) << 20); + return (iosf_bunit_read(BUNIT_SMRRL) << 20); +} + +/* + * Calculate the top of usable (low) DRAM. + * The FSP's reserved memory sits just below the SMM region, + * allowing calculation of the top of usable memory. + * + * The entire memory map is shown in northcluster.c + */ + +void *cbmem_top(void) +{ + uintptr_t tom = smm_region_start(); + if (!tom) + tom = iosf_bunit_read(BUNIT_BMBOUND); + return (void *) tom - FSP_RESERVE_MEMORY_SIZE; } diff --git a/src/soc/intel/fsp_baytrail/raminit.c b/src/soc/intel/fsp_baytrail/raminit.c deleted file mode 100644 index 55692d2d86..0000000000 --- a/src/soc/intel/fsp_baytrail/raminit.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 Google Inc. - * Copyright (C) 2014 Sage Electronic Engineering, LLC. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <console/console.h> -#include <arch/io.h> -#include <cbmem.h> -#include <device/device.h> -#include <baytrail/baytrail.h> -#include <baytrail/iosf.h> -#include <cpu/x86/msr.h> -#include <drivers/intel/fsp/fsp_util.h> - -unsigned long get_top_of_ram(void) -{ - /* - * Calculate the top of usable (low) DRAM. - * The FSP's reserved memory sits just below the SMM region, - * allowing calculation of the top of usable memory. - * - * The entire memory map is shown in northcluster.c - */ - u32 tom = iosf_bunit_read(BUNIT_BMBOUND); - u32 bsmmrrl = iosf_bunit_read(BUNIT_SMRRL) << 20; - if (bsmmrrl) { - tom = bsmmrrl; - } - tom -= FSP_RESERVE_MEMORY_SIZE; - - return (unsigned long) tom; -} |