From 81100bf7ff62c4ee53214afb82f2fa9112d109b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Fri, 16 Aug 2019 10:37:15 +0300 Subject: soc/intel: Move fill_postcar_frame to memmap.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I84b1fad52d623a879f00c3f721f480f58d7d6d8a Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/coreboot/+/34894 Reviewed-by: Angel Pons Reviewed-by: David Guckian Tested-by: build bot (Jenkins) --- src/soc/intel/quark/memmap.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'src/soc/intel/quark/memmap.c') diff --git a/src/soc/intel/quark/memmap.c b/src/soc/intel/quark/memmap.c index d67856cc74..b8b85063a8 100644 --- a/src/soc/intel/quark/memmap.c +++ b/src/soc/intel/quark/memmap.c @@ -13,6 +13,8 @@ * GNU General Public License for more details. */ +#include +#include #include #include @@ -32,3 +34,28 @@ void *cbmem_top(void) /* Return the top of memory */ return (void *)top_of_memory; } + +void fill_postcar_frame(struct postcar_frame *pcf) +{ + uintptr_t top_of_ram; + uintptr_t top_of_low_usable_memory; + + /* Locate the top of RAM */ + top_of_low_usable_memory = (uintptr_t) cbmem_top(); + top_of_ram = ALIGN(top_of_low_usable_memory, 16 * MiB); + + /* Cache postcar and ramstage */ + postcar_frame_add_mtrr(pcf, top_of_ram - (16 * MiB), 16 * MiB, + MTRR_TYPE_WRBACK); + + /* Cache RMU area */ + postcar_frame_add_mtrr(pcf, (uintptr_t) top_of_low_usable_memory, + 0x10000, MTRR_TYPE_WRTHROUGH); + + /* Cache ESRAM */ + postcar_frame_add_mtrr(pcf, 0x80000000, 0x80000, MTRR_TYPE_WRBACK); + + pcf->skip_common_mtrr = 1; + /* Cache SPI flash - Write protect not supported */ + postcar_frame_add_romcache(pcf, MTRR_TYPE_WRTHROUGH); +} -- cgit v1.2.3