northbridge/amd/agesa/family15rl: Provide Richland support

Provide our current development support for Richland. We
would however like to see a unification of 'northbridge/amd/agesa'
instead of another copy-paste merged.

Change-Id: I88005939844d1132cfd3531a9d47389320026814
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7536
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/northbridge/amd/agesa/BiosCallOuts.h

@@ -24,7 +24,9 @@
 #include "Porting.h"
 #include "AGESA.h"
 
-#if CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN || CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY16_KB
+#if IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN) || \
+  IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_RL) || \
+  IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY16_KB)
 
 #define BIOS_HEAP_START_ADDRESS 	0x010000000
 #define BIOS_HEAP_SIZE			0x30000

src/northbridge/amd/agesa/Kconfig

@@ -36,6 +36,7 @@ source src/northbridge/amd/agesa/family12/Kconfig
 source src/northbridge/amd/agesa/family14/Kconfig
 source src/northbridge/amd/agesa/family15/Kconfig
 source src/northbridge/amd/agesa/family15tn/Kconfig
+source src/northbridge/amd/agesa/family15rl/Kconfig
 source src/northbridge/amd/agesa/family16kb/Kconfig
 
 # TODO: Reservation for heap seems excessive

src/northbridge/amd/agesa/Makefile.inc

@@ -21,6 +21,7 @@ subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY12) += family12
 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY14) += family14
 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15) += family15
 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN) += family15tn
+subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_RL) += family15rl
 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY16_KB) += family16kb
 
 romstage-y += def_callouts.c

src/northbridge/amd/agesa/def_callouts.c

@@ -104,7 +104,9 @@ AGESA_STATUS agesa_RunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 	return Status;
 }
 
-#if CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN || CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY16_KB
+#if IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN) || \
+  IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_RL) || \
+  IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY16_KB)
 /* FIXME: we would like GFX disable for fam14 too for headless systems. */
 AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINT32 FchData, VOID *ConfigPrt)
 {

src/northbridge/amd/agesa/family15rl/Kconfig

@@ -0,0 +1,42 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
+##
+## 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
+##
+config NORTHBRIDGE_AMD_AGESA_FAMILY15_RL
+	bool
+	select MMCONF_SUPPORT
+	select PER_DEVICE_ACPI_TABLES
+
+if NORTHBRIDGE_AMD_AGESA_FAMILY15_RL
+
+config HW_MEM_HOLE_SIZEK
+	hex
+	default 0x100000
+
+config HW_MEM_HOLE_SIZE_AUTO_INC
+	bool
+	default n
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xF8000000
+
+config MMCONF_BUS_NUMBER
+	int
+	default 64
+
+endif # NORTHBRIDGE_AMD_AGESA_FAMILY15_RL

src/northbridge/amd/agesa/family15rl/Makefile.inc

@@ -0,0 +1,23 @@
+#
+# This file is part of the coreboot project.
+#
+# Copyright (C) 2012 Advanced Micro Devices, 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
+#
+
+romstage-y += dimmSpd.c
+
+ramstage-y += iommu.c
+ramstage-y += northbridge.c

src/northbridge/amd/agesa/family15rl/acpi/northbridge.asl

@@ -0,0 +1,100 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Sage Electronic Engineering, LLC
+ *
+ * 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
+ */
+
+/* Note: Only need HID on Primary Bus */
+External (TOM1)
+External (TOM2)
+Name(_HID, EISAID("PNP0A03"))	/* PCI Express Root Bridge */
+Name(_ADR, 0x00180000)	/* Dev# = BSP Dev#, Func# = 0 */
+
+/* Describe the Northbridge devices */
+
+Method (_BBN, 0, NotSerialized)
+{
+	Return (Zero)
+}
+
+Method (_STA, 0, NotSerialized)
+{
+	Return (0x0B)
+}
+
+Method (_PRT, 0, NotSerialized)
+{
+	If (PMOD)
+	{
+		Return (APR0)
+	}
+
+	Return (PR0)
+}
+
+Device(AMRT) {
+	Name(_ADR, 0x00000000)
+} /* end AMRT */
+
+/* Dev2 is also an external GFX bridge */
+Device(PBR2) {
+	Name(_ADR, 0x00020000)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS2) }   /* APIC mode */
+		Return (PS2)                  /* PIC Mode */
+	} /* end _PRT */
+} /* end PBR2 */
+
+/* Dev4 GPP0 Root Port Bridge */
+Device(PBR4) {
+	Name(_ADR, 0x00040000)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS4) }	/* APIC mode */
+		Return (PS4)				/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR4 */
+
+/* Dev5 GPP1 Root Port Bridge */
+Device(PBR5) {
+	Name(_ADR, 0x00050000)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS5) }	/* APIC mode */
+		Return (PS5)				/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR5 */
+
+/* Dev6 GPP2 Root Port Bridge */
+Device(PBR6) {
+	Name(_ADR, 0x00060000)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS6) }	/* APIC mode */
+		Return (PS6)				/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR6 */
+
+/* The onboard EtherNet chip */
+Device(PBR7) {
+	Name(_ADR, 0x00070000)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS7) }	/* APIC mode */
+		Return (PS7)				/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR7 */

src/northbridge/amd/agesa/family15rl/chip.h

@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
+ *
+ * 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 _NB_AGESA_CHIP_H_
+#define _NB_AGESA_CHIP_H_
+
+struct northbridge_amd_agesa_family15rl_config
+{
+	u8 spdAddrLookup[2][2][4];
+};
+
+#endif

src/northbridge/amd/agesa/family15rl/dimmSpd.c

@@ -0,0 +1,66 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
+ *
+ * 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
+ */
+
+#include <device/pci_def.h>
+#include <device/device.h>
+#include <stdlib.h>
+
+/* warning: Porting.h includes an open #pragma pack(1) */
+#include "Porting.h"
+#include "AGESA.h"
+#include "amdlib.h"
+#include "chip.h"
+
+#include <northbridge/amd/agesa/dimmSpd.h>
+
+/**
+ * Gets the SMBus address for an SPD from the array in devicetree.cb
+ * then read the SPD into the supplied buffer.
+ */
+AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
+{
+	UINT8 spdAddress;
+
+	ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2));
+	if (dev == NULL)
+		return AGESA_ERROR;
+
+	ROMSTAGE_CONST struct northbridge_amd_agesa_family15rl_config *config = dev->chip_info;
+	if (config == NULL)
+		return AGESA_ERROR;
+
+	if (info->SocketId >= ARRAY_SIZE(config->spdAddrLookup))
+		return AGESA_ERROR;
+	if (info->MemChannelId >= ARRAY_SIZE(config->spdAddrLookup[0]))
+		return AGESA_ERROR;
+	if (info->DimmId >= ARRAY_SIZE(config->spdAddrLookup[0][0]))
+		return AGESA_ERROR;
+
+	spdAddress = config->spdAddrLookup
+		[info->SocketId][info->MemChannelId][info->DimmId];
+
+	if (spdAddress == 0)
+		return AGESA_ERROR;
+
+	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+	if (err)
+		return AGESA_ERROR;
+	return AGESA_SUCCESS;
+}

src/northbridge/amd/agesa/family15rl/iommu.c

@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * 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
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <lib.h>
+
+static void iommu_read_resources(device_t dev)
+{
+	struct resource *res;
+
+	/* Get the normal pci resources of this device */
+	pci_dev_read_resources(dev);
+
+	/* Add an extra subtractive resource for both memory and I/O. */
+	res = new_resource(dev, 0x44);
+	res->size = 512 * 1024;
+	res->align = log2(res->size);
+	res->gran = log2(res->size);
+	res->limit = 0xffffffff;	/* 4G */
+	res->flags = IORESOURCE_MEM;
+}
+
+static void iommu_set_resources(device_t dev)
+{
+	struct resource *res;
+
+	pci_dev_set_resources(dev);
+
+	res = find_resource(dev, 0x44);
+	/* Remember this resource has been stored */
+	res->flags |= IORESOURCE_STORED;
+	/* For now, do only 32-bit space allocation */
+	pci_write_config32(dev, 0x48, 0x0);
+	pci_write_config32(dev, 0x44, res->base | (1 << 0));
+}
+
+static struct pci_operations lops_pci = {
+	.set_subsystem = pci_dev_set_subsystem,
+};
+
+static struct device_operations iommu_ops = {
+	.read_resources = iommu_read_resources,
+	.set_resources = iommu_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init = 0,
+	.scan_bus = 0,
+	.ops_pci = &lops_pci,
+};
+
+static const struct pci_driver iommu_driver __pci_driver = {
+	.ops = &iommu_ops,
+	.vendor = PCI_VENDOR_ID_AMD,
+	.device = PCI_DEVICE_ID_AMD_15H_NB_IOMMU,
+};