Braswell: Use Baytrail as Comparison Base

Add baytrail source for comparison with Braswell.

BRANCH=none
BUG=None
TEST=None

Change-Id: I5170addf41676d95a3daf070a32bcee085f8156d
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/10117
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/src/soc/intel/braswell/include/soc/romstage.h b/src/soc/intel/braswell/include/soc/romstage.h
new file mode 100644
index 0000000000..f99a8e28bc
--- /dev/null
+++ b/src/soc/intel/braswell/include/soc/romstage.h
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ *
+ * 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
+ */
+
+#ifndef _BAYTRAIL_ROMSTAGE_H_
+#define _BAYTRAIL_ROMSTAGE_H_
+
+#if !defined(__PRE_RAM__)
+#error "Don't include romstage.h from a ramstage compilation unit!"
+#endif
+
+#include <stdint.h>
+#include <arch/cpu.h>
+#include <soc/mrc_wrapper.h>
+
+struct romstage_params {
+	unsigned long bist;
+	struct mrc_params *mrc_params;
+};
+
+void mainboard_romstage_entry(struct romstage_params *params);
+void romstage_common(struct romstage_params *params);
+void * asmlinkage romstage_main(unsigned long bist, uint32_t tsc_lo,
+                                uint32_t tsc_high);
+void asmlinkage romstage_after_car(void);
+void raminit(struct mrc_params *mp, int prev_sleep_state);
+void gfx_init(void);
+void tco_disable(void);
+void punit_init(void);
+void set_max_freq(void);
+int early_spi_read_wpsr(u8 *sr);
+
+#if CONFIG_ENABLE_BUILTIN_COM1
+void byt_config_com1_and_enable(void);
+#else
+static inline void byt_config_com1_and_enable(void) { }
+#endif
+
+#endif /* _BAYTRAIL_ROMSTAGE_H_ */