{drivers,soc/intel/braswell}: Implement C_ENVIRONMENT_BOOTBLOCK support

No C_ENVIRONMENT_BOOTBLOCK support for Braswell is available.
Enable support and add required files for the Braswell Bootblock in C.

The next changes are made support C_ENVIRONMENT_BOOTBLOCK:
- Add car_stage_entry() function bootblock-c_entry() functions.
- Specify config DCACHE_BSP_STACK_SIZE and C_ENV_BOOTBLOCK_SIZE.
- Add bootblock_c_entry().
- Move init from car_soc_XXX_console_init() to bootblock_soc_XXX_Init()

Removed the unused cache_as_ram_main() and weak car_XXX_XXX_console_init()

BUG=NA
TEST=Booting Embedded Linux on Facebook FBG-1701
     Building Google Banos

Change-Id: Iab48ad72f1514c93f20d70db5ef4fd8fa2383e8c
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/29662
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

3 files changed, 0 insertions, 124 deletions

diff --git a/src/soc/intel/braswell/romstage/Makefile.inc b/src/soc/intel/braswell/romstage/Makefile.inc
index 3d3e407a29..d405133110 100644
--- a/src/soc/intel/braswell/romstage/Makefile.inc
+++ b/src/soc/intel/braswell/romstage/Makefile.inc
@@ -1,3 +1,2 @@
 romstage-y += ../../../../cpu/intel/car/romstage.c
-romstage-y += pmc.c
 romstage-y += romstage.c
diff --git a/src/soc/intel/braswell/romstage/pmc.c b/src/soc/intel/braswell/romstage/pmc.c
deleted file mode 100644
index 127458e59c..0000000000
--- a/src/soc/intel/braswell/romstage/pmc.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Google Inc.
- * Copyright (C) 2015 Intel Corp.
- *
- * 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 <arch/io.h>
-#include <soc/iomap.h>
-#include <soc/romstage.h>
-
-void tco_disable(void)
-{
-	uint32_t reg;
-
-	reg = inl(ACPI_BASE_ADDRESS + TCO1_CNT);
-	reg |= TCO_TMR_HALT;
-	outl(reg, ACPI_BASE_ADDRESS + TCO1_CNT);
-}
diff --git a/src/soc/intel/braswell/romstage/romstage.c b/src/soc/intel/braswell/romstage/romstage.c
index 8dfc291d1e..e0e22f220e 100644
--- a/src/soc/intel/braswell/romstage/romstage.c
+++ b/src/soc/intel/braswell/romstage/romstage.c
@@ -19,90 +19,13 @@
 #include <stddef.h>
 #include <arch/io.h>
 #include <device/mmio.h>
-#include <device/pci_ops.h>
-#include <arch/cbfs.h>
-#include <cpu/x86/mtrr.h>
 #include <console/console.h>
-#include <device/device.h>
-#include <device/pci_def.h>
-#include <elog.h>
-#include <mrc_cache.h>
-#include <string.h>
-#include <vendorcode/google/chromeos/chromeos.h>
-#include <fsp/util.h>
-#include <soc/gpio.h>
 #include <soc/iomap.h>
 #include <soc/iosf.h>
-#include <soc/lpc.h>
-#include <soc/pci_devs.h>
 #include <soc/romstage.h>
-#include <soc/smm.h>
-#include <soc/spi.h>
-#include <build.h>
-#include <pc80/mc146818rtc.h>
 
 #include "../chip.h"
 
-void program_base_addresses(void)
-{
-	uint32_t reg;
-	const uint32_t lpc_dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
-
-	/* Memory Mapped IO registers. */
-	reg = PMC_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, PBASE, reg);
-	reg = IO_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, IOBASE, reg);
-	reg = ILB_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, IBASE, reg);
-	reg = SPI_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, SBASE, reg);
-	reg = MPHY_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, MPBASE, reg);
-	reg = PUNIT_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, PUBASE, reg);
-	reg = RCBA_BASE_ADDRESS | 1;
-	pci_write_config32(lpc_dev, RCBA, reg);
-
-	/* IO Port Registers. */
-	reg = ACPI_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, ABASE, reg);
-	reg = GPIO_BASE_ADDRESS | 2;
-	pci_write_config32(lpc_dev, GBASE, reg);
-}
-
-static void spi_init(void)
-{
-	void *scs = (void *)(SPI_BASE_ADDRESS + SCS);
-	void *bcr = (void *)(SPI_BASE_ADDRESS + BCR);
-	uint32_t reg;
-
-	/* Disable generating SMI when setting WPD bit. */
-	write32(scs, read32(scs) & ~SMIWPEN);
-	/*
-	 * Enable caching and prefetching in the SPI controller. Disable
-	 * the SMM-only BIOS write and set WPD bit.
-	 */
-	reg = (read32(bcr) & ~SRC_MASK) | SRC_CACHE_PREFETCH | BCR_WPD;
-	reg &= ~EISS;
-	write32(bcr, reg);
-}
-
-static void soc_rtc_init(void)
-{
-	int rtc_failed = rtc_failure();
-
-	if (rtc_failed) {
-		printk(BIOS_ERR,
-			"RTC Failure detected. Resetting date to %x/%x/%x%x\n",
-			COREBOOT_BUILD_MONTH_BCD,
-			COREBOOT_BUILD_DAY_BCD,
-			0x20,
-			COREBOOT_BUILD_YEAR_BCD);
-	}
-
-	cmos_init(rtc_failed);
-}
 
 static struct chipset_power_state power_state;
 
@@ -171,24 +94,6 @@ int chipset_prev_sleep_state(struct chipset_power_state *ps)
 	return prev_sleep_state;
 }
 
-/* SOC initialization before the console is enabled */
-void car_soc_pre_console_init(void)
-{
-	/* Early chipset initialization */
-	program_base_addresses();
-	tco_disable();
-}
-
-/* SOC initialization after console is enabled */
-void car_soc_post_console_init(void)
-{
-	/* Continue chipset initialization */
-	soc_rtc_init();
-	set_max_freq();
-	spi_init();
-
-	lpc_init();
-}
 
 /* SOC initialization after RAM is enabled */
 void soc_after_ram_init(struct romstage_params *params)