From 1222a73205bd3a0faba988411b4aec6ea8de1059 Mon Sep 17 00:00:00 2001 From: Rizwan Qureshi Date: Tue, 23 Aug 2016 14:31:23 +0530 Subject: skylake: Add initial FSP2.0 support Add Initial pieces of code to support fsp2.0 in skylake keeping the fsp1.1 flow intact. The soc/romstage.h and soc/ramstage.h have a reference to fsp driver includes, so split these header files for each version of FSP driver. Add the below files, car_stage.S: Add romstage entry point (car_stage_entry). This calls into romstage_fsp20.c and aslo handles the car teardown. romstage_fsp20.c: Call fsp_memory_init() and also has the callback for filling memory init parameters. Also add monotonic_timer.c to verstage. With this patchset and relevant change in kunimitsu mainboard, we are able to boot to romstage. TEST= Build and Boot Kunimitsu with PLATFORM_USES_FSP1_1 Build and Boot Kunimitsu to romstage with PLATFORM_USES_FSP2_0 Change-Id: I4309c8d4369c84d2bd1b13e8ab7bfeaaec645520 Signed-off-by: Rizwan Qureshi Reviewed-on: https://review.coreboot.org/16267 Reviewed-by: Aaron Durbin Tested-by: build bot (Jenkins) --- src/soc/intel/skylake/igd.c | 29 ++--------------------------- 1 file changed, 2 insertions(+), 27 deletions(-) (limited to 'src/soc/intel/skylake/igd.c') diff --git a/src/soc/intel/skylake/igd.c b/src/soc/intel/skylake/igd.c index a8ac645409..93f05cc150 100644 --- a/src/soc/intel/skylake/igd.c +++ b/src/soc/intel/skylake/igd.c @@ -24,7 +24,6 @@ #include #include #include -#include #include #include #include @@ -117,35 +116,10 @@ static void igd_init(struct device *dev) } /* Initialize IGD OpRegion, called from ACPI code */ -static int init_igd_opregion(igd_opregion_t *opregion) +static int update_igd_opregion(igd_opregion_t *opregion) { - const optionrom_vbt_t *vbt; - uint32_t vbt_len; u16 reg16; - memset(opregion, 0, sizeof(igd_opregion_t)); - - /* Read VBT table from flash */ - vbt = fsp_get_vbt(&vbt_len); - if (!vbt) - die("vbt data not found"); - - memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE, - sizeof(IGD_OPREGION_SIGNATURE) - 1); - memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, sizeof(u32)); - memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < - sizeof(opregion->vbt.gvd1) ? vbt->hdr_vbt_size : - sizeof(opregion->vbt.gvd1)); - - /* Size, in KB, of the entire OpRegion structure (including header)*/ - opregion->header.size = sizeof(igd_opregion_t) / KiB; - opregion->header.version = IGD_OPREGION_VERSION; - - /* We just assume we're mobile for now */ - opregion->header.mailboxes = MAILBOXES_MOBILE; - - /* TODO Initialize Mailbox 1 */ - /* Initialize Mailbox 3 */ opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH; @@ -189,6 +163,7 @@ static unsigned long write_acpi_igd_opregion(device_t device, printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n"); opregion = (igd_opregion_t *)current; init_igd_opregion(opregion); + update_igd_opregion(opregion); current += sizeof(igd_opregion_t); current = acpi_align_current(current); -- cgit v1.2.3