From e5c00a5d2c71cc7689e783f26a6031997857d661 Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki Date: Mon, 27 Jun 2016 14:50:27 +0300 Subject: intel post-car: Consolidate choose_top_of_stack() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I2c49d68ea9a8f52737b6064bc4fa703bdb1af1df Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/15463 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/drivers/intel/fsp1_1/Kconfig | 4 ---- src/drivers/intel/fsp1_1/stack.c | 23 +++-------------------- 2 files changed, 3 insertions(+), 24 deletions(-) (limited to 'src/drivers/intel/fsp1_1') diff --git a/src/drivers/intel/fsp1_1/Kconfig b/src/drivers/intel/fsp1_1/Kconfig index 86f6c7b99e..59b47978dd 100644 --- a/src/drivers/intel/fsp1_1/Kconfig +++ b/src/drivers/intel/fsp1_1/Kconfig @@ -99,10 +99,6 @@ config GOP_SUPPORT bool "Enable GOP support" default n -config ROMSTAGE_RAM_STACK_SIZE - hex "Size of the romstage RAM stack in bytes" - default 0x5000 - config USE_GENERIC_FSP_CAR_INC bool default n diff --git a/src/drivers/intel/fsp1_1/stack.c b/src/drivers/intel/fsp1_1/stack.c index 65ba235a90..8d0759a393 100644 --- a/src/drivers/intel/fsp1_1/stack.c +++ b/src/drivers/intel/fsp1_1/stack.c @@ -21,23 +21,7 @@ #include #include #include - -const unsigned long romstage_ram_stack_size = CONFIG_ROMSTAGE_RAM_STACK_SIZE; - -/* - * Romstage needs quite a bit of stack for decompressing images since the lzma - * lib keeps its state on the stack during romstage. - */ -static unsigned long choose_top_of_stack(void) -{ - unsigned long stack_top; - - /* cbmem_add() does a find() before add(). */ - stack_top = (unsigned long)cbmem_add(CBMEM_ID_ROMSTAGE_RAM_STACK, - romstage_ram_stack_size); - stack_top += romstage_ram_stack_size; - return stack_top; -} +#include /* * setup_stack_and_mtrrs() determines the stack to use after @@ -57,7 +41,7 @@ void *setup_stack_and_mtrrs(void) soc_display_mtrrs(); /* Top of stack needs to be aligned to a 8-byte boundary. */ - top_of_stack = choose_top_of_stack(); + top_of_stack = romstage_ram_stack_top(); slot = (void *)top_of_stack; num_mtrrs = 0; max_mtrrs = soc_get_variable_mtrr_count(NULL); @@ -68,8 +52,7 @@ void *setup_stack_and_mtrrs(void) */ mtrr_mask_upper = (1 << ((cpuid_eax(0x80000008) & 0xff) - 32)) - 1; alignment = mmap_region_granularity(); - aligned_ram = ALIGN_DOWN(top_of_stack - romstage_ram_stack_size, - alignment); + aligned_ram = ALIGN_DOWN(romstage_ram_stack_bottom(), alignment); /* * The order for each MTRR is value then base with upper 32-bits of -- cgit v1.2.3