Braswell: Add Braswell SOC support

Add the files to support the Braswell SOC.

BRANCH=none
BUG=None
TEST=Build for a Braswell platform

Change-Id: I968da68733e57647d0a08e4040ff0378b4d59004
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: http://review.coreboot.org/10051
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 5 insertions, 77 deletions

diff --git a/src/soc/intel/braswell/scc.c b/src/soc/intel/braswell/scc.c
index c9aca51ebf..b562865aa9 100644
--- a/src/soc/intel/braswell/scc.c
+++ b/src/soc/intel/braswell/scc.c
@@ -2,6 +2,7 @@
  * 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
@@ -23,86 +24,20 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <reg_script.h>
-
 #include <soc/iosf.h>
 #include <soc/nvs.h>
 #include <soc/ramstage.h>
 
-static const struct reg_script scc_start_dll[] = {
-	/* Configure master DLL. */
-	REG_IOSF_WRITE(IOSF_PORT_SCORE, 0x4964, 0x00078000),
-	/* Configure Swing,FSM for Master DLL */
-	REG_IOSF_WRITE(IOSF_PORT_SCORE, 0x4970, 0x00000133),
-	/* Run+Local Reset on Master DLL */
-	REG_IOSF_WRITE(IOSF_PORT_SCORE, 0x4970, 0x00001933),
-	REG_SCRIPT_END,
-};
-
-static const struct reg_script scc_after_dll[] = {
-	/* Configure Write Path */
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x4954, ~0x7fff, 0x35ad),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x4958, ~0x7fff, 0x35ad),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x495c, ~0x7fff, 0x35ad),
-	/* Configure Read Path */
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x43e4, ~0x7fff, 0x35ad),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x4324, ~0x7fff, 0x35ad),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x42b4, ~0x7fff, 0x35ad),
-	/* eMMC 4.5 TX and RX DLL */
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x49a4, ~0x1f001f, 0xa000d),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x49a8, ~0x1f001f, 0xd000d),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x49ac, ~0x1f001f, 0xd000d),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x49b0, ~0x1f001f, 0xd000d),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x49b4, ~0x1f001f, 0xd000d),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x49b8, ~0x1, 0x0),
-	/* cfio_regs_mmc1_ELECTRICAL.nslew/pslew  */
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x48c0, ~0x3c, 0x0),
-	REG_IOSF_RMW(IOSF_PORT_SCORE, 0x48c4, ~0x3c, 0x0),
-	/*
-	 * iosf2ocp_private.GENREGRW1.cr_clock_enable_clk_ocp = 01
-	 * iosf2ocp_private.GENREGRW1.cr_clock_enable_clk_xin = 01
-	 */
-	REG_IOSF_RMW(IOSF_PORT_SCC, 0x600, ~0xf, 0x5),
-	/* Enable IOSF Snoop */
-	REG_IOSF_OR(IOSF_PORT_SCC, 0x00, (1 << 7)),
-	/* SDIO 3V Support. */
-	REG_IOSF_RMW(IOSF_PORT_SCC, 0x600, ~0x30, 0x30),
-	REG_SCRIPT_END,
-};
-
-void baytrail_init_scc(void)
-{
-	uint32_t dll_values;
-
-	printk(BIOS_DEBUG, "Initializing sideband SCC registers.\n");
-
-	/* Common Sideband Initialization for SCC */
-	reg_script_run(scc_start_dll);
-
-	/* Override Slave Path - populate DLL settings. */
-	dll_values = iosf_score_read(0x496c) & 0x7ffff;
-	dll_values |= iosf_score_read(0x4950) & ~0xfffff;
-	iosf_score_write(0x4950, dll_values | (1 << 19));
-
-	reg_script_run(scc_after_dll);
-}
-
 void scc_enable_acpi_mode(device_t dev, int iosf_reg, int nvs_index)
 {
-	struct reg_script ops[] = {
-		/* Disable PCI interrupt, enable Memory and Bus Master */
-		REG_PCI_OR32(PCI_COMMAND,
-			     PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | (1<<10)),
-		/* Enable ACPI mode */
-		REG_IOSF_OR(IOSF_PORT_SCC, iosf_reg,
-			    SCC_CTL_PCI_CFG_DIS | SCC_CTL_ACPI_INT_EN),
-		REG_SCRIPT_END
-	};
 	struct resource *bar;
 	global_nvs_t *gnvs;
 
+	printk(BIOS_SPEW, "%s/%s ( %s, 0x%08x, 0x%08x )\n",
+			__FILE__, __func__, dev_name(dev), iosf_reg, nvs_index);
+
 	/* Find ACPI NVS to update BARs */
-	gnvs = (global_nvs_t *)cbmem_find(CBMEM_ID_ACPI_GNVS);
+	gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
 	if (!gnvs) {
 		printk(BIOS_ERR, "Unable to locate Global NVS\n");
 		return;
@@ -113,13 +48,6 @@ void scc_enable_acpi_mode(device_t dev, int iosf_reg, int nvs_index)
 	if (bar)
 		gnvs->dev.scc_bar0[nvs_index] = (u32)bar->base;
 
-	bar = find_resource(dev, PCI_BASE_ADDRESS_1);
-	if (bar)
-		gnvs->dev.scc_bar1[nvs_index] = (u32)bar->base;
-
 	/* Device is enabled in ACPI mode */
 	gnvs->dev.scc_en[nvs_index] = 1;
-
-	/* Put device in ACPI mode */
-	reg_script_run_on_dev(dev, ops);
 }