Author: rminnich
Date: 2008-08-15 23:18:26 +0200 (Fri, 15 Aug 2008)
New Revision: 771
Added:
coreboot-v3/southbridge/amd/amd8132/
coreboot-v3/southbridge/amd/amd8132/Makefile
coreboot-v3/southbridge/amd/amd8132/amd8132_bridge.c
coreboot-v3/southbridge/amd/amd8132/apic.dts
coreboot-v3/southbridge/amd/amd8132/pcix.dts
Log:
Bring over the amd 8132 from v2. Very few changes. for now.
I would really like to remove ops_pci from the device struct.
Signed-off-by: Ronald G. Minnich <rminnich(a)gmail.com>
Acked-by: Ronald G. Minnich <rminnich(a)gmail.com>
Added: coreboot-v3/southbridge/amd/amd8132/Makefile
===================================================================
--- coreboot-v3/southbridge/amd/amd8132/Makefile (rev 0)
+++ coreboot-v3/southbridge/amd/amd8132/Makefile 2008-08-15 21:18:26 UTC (rev 771)
@@ -0,0 +1,27 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2007 coresystems GmbH
+## (Written by Stefan Reinauer <stepan(a)coresystems.de> for coresystems GmbH)
+##
+## 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; either version 2 of the License, or
+## (at your option) any later version.
+##
+## 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
+##
+
+ifeq ($(CONFIG_SOUTHBRIDGE_AMD_AMD8132),y)
+
+STAGE2_CHIPSET_SRC += $(src)/southbridge/amd/amd8132/amd8132_bridge.c
+
+
+endif
Added: coreboot-v3/southbridge/amd/amd8132/amd8132_bridge.c
===================================================================
--- coreboot-v3/southbridge/amd/amd8132/amd8132_bridge.c (rev 0)
+++ coreboot-v3/southbridge/amd/amd8132/amd8132_bridge.c 2008-08-15 21:18:26 UTC (rev 771)
@@ -0,0 +1,446 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 - 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2005 coresystems GmbH
+ *
+ * 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 <types.h>
+#include <lib.h>
+#include <console.h>
+#include <device/pci.h>
+#include <msr.h>
+#include <legacy.h>
+#include <device/pci_ids.h>
+#include <statictree.h>
+#include <config.h>
+
+#define NMI_OFF 0
+
+#define NPUML 0xD9 /* Non prefetchable upper memory limit */
+#define NPUMB 0xD8 /* Non prefetchable upper memory base */
+
+static void amd8132_walk_children(struct bus *bus,
+ void (*visit)(struct device * dev, void *ptr), void *ptr)
+{
+ struct device * child;
+ for(child = bus->children; child; child = child->sibling)
+ {
+ if (child->path.type != DEVICE_PATH_PCI) {
+ continue;
+ }
+ if (child->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+ amd8132_walk_children(&child->link[0], visit, ptr);
+ }
+ visit(child, ptr);
+ }
+}
+
+struct amd8132_bus_info {
+ unsigned sstatus;
+ unsigned rev;
+ int master_devices;
+ int max_func;
+};
+
+static void amd8132_count_dev(struct device * dev, void *ptr)
+{
+ struct amd8132_bus_info *info = ptr;
+ /* Don't count pci bridges */
+ if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
+ info->master_devices++;
+ }
+ if (PCI_FUNC(dev->path.pci.devfn) > info->max_func) {
+ info->max_func = PCI_FUNC(dev->path.pci.devfn);
+ }
+}
+
+
+static void amd8132_pcix_tune_dev(struct device * dev, void *ptr)
+{
+ struct amd8132_bus_info *info = ptr;
+ unsigned cap;
+ unsigned status, cmd, orig_cmd;
+ unsigned max_read, max_tran;
+ int sibs;
+
+ if (dev->hdr_type != PCI_HEADER_TYPE_NORMAL) {
+ return;
+ }
+ cap = pci_find_capability(dev, PCI_CAP_ID_PCIX);
+ if (!cap) {
+ return;
+ }
+ /* How many siblings does this device have? */
+ sibs = info->master_devices - 1;
+
+ printk(BIOS_DEBUG, "%s AMD8132 PCI-X tuning\n", dev_path(dev));
+ status = pci_read_config32(dev, cap + PCI_X_STATUS);
+ orig_cmd = cmd = pci_read_config16(dev,cap + PCI_X_CMD);
+
+ max_read = (status & PCI_X_STATUS_MAX_READ) >> 21;
+ max_tran = (status & PCI_X_STATUS_MAX_SPLIT) >> 23;
+
+ if (info->rev == 0x01) { // only a1 need it
+ /* Errata #53 Limit the number of split transactions to avoid starvation */
+ if (sibs >= 2) {
+ /* At most 2 outstanding split transactions when we have
+ * 3 or more bus master devices on the bus.
+ */
+ if (max_tran > 1) {
+ max_tran = 1;
+ }
+ }
+ else if (sibs == 1) {
+ /* At most 4 outstanding split transactions when we have
+ * 2 bus master devices on the bus.
+ */
+ if (max_tran > 3) {
+ max_tran = 3;
+ }
+ }
+ else {
+ /* At most 8 outstanding split transactions when we have
+ * only one bus master device on the bus.
+ */
+ if (max_tran > 4) {
+ max_tran = 4;
+ }
+ }
+ }
+
+ if (max_read != ((cmd & PCI_X_CMD_MAX_READ) >> 2)) {
+ cmd &= ~PCI_X_CMD_MAX_READ;
+ cmd |= max_read << 2;
+ }
+ if (max_tran != ((cmd & PCI_X_CMD_MAX_SPLIT) >> 4)) {
+ cmd &= ~PCI_X_CMD_MAX_SPLIT;
+ cmd |= max_tran << 4;
+ }
+
+ /* Don't attempt to handle PCI-X errors */
+ cmd &= ~PCI_X_CMD_DPERR_E;
+ if (orig_cmd != cmd) {
+ pci_write_config16(dev, cap + PCI_X_CMD, cmd);
+ }
+
+
+}
+static unsigned int amd8132_scan_bus(struct bus *bus,
+ unsigned min_devfn, unsigned max_devfn, unsigned int max)
+{
+ struct amd8132_bus_info info;
+ unsigned pos;
+
+ /* Find the children on the bus */
+ max = pci_scan_bus(bus, min_devfn, max_devfn, max);
+
+ /* Find the revision of the 8132 */
+ info.rev = pci_read_config8(bus->dev, PCI_CLASS_REVISION);
+
+ /* Find the pcix capability and get the secondary bus status */
+ pos = pci_find_capability(bus->dev, PCI_CAP_ID_PCIX);
+ info.sstatus = pci_read_config16(bus->dev, pos + PCI_X_SEC_STATUS);
+
+ /* Print the PCI-X bus speed */
+ printk(BIOS_DEBUG, "PCI: %02x: %s sstatus=%04x rev=%02x \n", bus->secondary, pcix_speed(info.sstatus), info.sstatus, info.rev);
+
+
+ /* Examine the bus and find out how loaded it is */
+ info.max_func = 0;
+ info.master_devices = 0;
+ amd8132_walk_children(bus, amd8132_count_dev, &info);
+
+#if 0
+ /* Disable the bus if there are no devices on it
+ */
+ if (!bus->children)
+ {
+ unsigned pcix_misc;
+ /* Disable all of my children */
+ disable_children(bus);
+
+ /* Remember the device is disabled */
+ bus->dev->enabled = 0;
+
+ /* Disable the PCI-X clocks */
+ pcix_misc = pci_read_config32(bus->dev, 0x40);
+ pcix_misc &= ~(0x1f << 16);
+ pci_write_config32(bus->dev, 0x40, pcix_misc);
+
+ return max;
+ }
+#endif
+
+ /* If we are in conventional PCI mode nothing more is necessary.
+ */
+ if (PCI_X_SSTATUS_MFREQ(info.sstatus) == PCI_X_SSTATUS_CONVENTIONAL_PCI) {
+ return max;
+ }
+
+ /* Tune the devices on the bus */
+ amd8132_walk_children(bus, amd8132_pcix_tune_dev, &info);
+
+ return max;
+}
+
+static unsigned int amd8132_scan_bridge(struct device * dev, unsigned int max)
+{
+ return do_pci_scan_bridge(dev, max, amd8132_scan_bus);
+}
+
+
+static void amd8132_pcix_init(struct device * dev)
+{
+ u32 dword;
+ u8 byte;
+ unsigned chip_rev;
+
+ /* Find the revision of the 8132 */
+ chip_rev = pci_read_config8(dev, PCI_CLASS_REVISION);
+
+ /* Enable memory write and invalidate ??? */
+ dword = pci_read_config32(dev, 0x04);
+ dword |= 0x10;
+ dword &= ~(1<<6); // PERSP Parity Error Response
+ pci_write_config32(dev, 0x04, dword);
+
+ if (chip_rev == 0x01) {
+ /* Errata #37 */
+ byte = pci_read_config8(dev, 0x0c);
+ if(byte == 0x08 )
+ pci_write_config8(dev, 0x0c, 0x10);
+
+#if 0
+ /* Errata #59*/
+ dword = pci_read_config32(dev, 0x40);
+ dword &= ~(1<<31);
+ pci_write_config32(dev, 0x40, dword);
+#endif
+
+ }
+
+ /* Set up error reporting, enable all */
+ /* system error enable */
+ dword = pci_read_config32(dev, 0x04);
+ dword |= (1<<8);
+ pci_write_config32(dev, 0x04, dword);
+
+ /* system and error parity enable */
+ dword = pci_read_config32(dev, 0x3c);
+ dword |= (3<<16);
+ pci_write_config32(dev, 0x3c, dword);
+
+ dword = pci_read_config32(dev, 0x40);
+// dword &= ~(1<<31); /* WriteChainEnable */
+ dword |= (1<<31);
+ dword |= (1<<7);// must set to 1
+ dword |= (3<<21); //PCIErrorSerrDisable
+ pci_write_config32(dev, 0x40, dword);
+
+ /* EXTARB = 1, COMPAT = 0 */
+ dword = pci_read_config32(dev, 0x48);
+ dword |= (1<<3);
+ dword &= ~(1<<0);
+ dword |= (1<<15); //CLEARPCILOG_L
+ dword |= (1<<19); //PERR FATAL Enable
+ dword |= (1<<22); // SERR FATAL Enable
+ dword |= (1<<23); // LPMARBENABLE
+ dword |= (0x61<<24); //LPMARBCOUNT
+ pci_write_config32(dev, 0x48, dword);
+
+ dword = pci_read_config32(dev, 0x4c);
+ dword |= (1<<6); //intial prefetch for memory read line request
+ dword |= (1<<9); //continuous prefetch Enable for memory read line request
+ pci_write_config32(dev, 0x4c, dword);
+
+
+ /* Disable Single-Bit-Error Correction [30] = 0 */
+ dword = pci_read_config32(dev, 0x70);
+ dword &= ~(1<<30);
+ pci_write_config32(dev, 0x70, dword);
+
+ //link
+ dword = pci_read_config32(dev, 0xd4);
+ dword |= (0x5c<<16);
+ pci_write_config32(dev, 0xd4, dword);
+
+ /* TxSlack0 [16:17] = 0, RxHwLookahdEn0 [18] = 1, TxSlack1 [24:25] = 0, RxHwLookahdEn1 [26] = 1 */
+ dword = pci_read_config32(dev, 0xdc);
+ dword |= (1<<1) | (1<<4); // stream disable 1 to 0 , DBLINSRATE
+ dword |= (1<<18)|(1<<26);
+ dword &= ~((3<<16)|(3<<24));
+ pci_write_config32(dev, 0xdc, dword);
+
+ /* Set up CRC flood enable */
+ dword = pci_read_config32(dev, 0xc0);
+ if(dword) { /* do device A only */
+#if 0
+ dword = pci_read_config32(dev, 0xc4);
+ dword |= (1<<1);
+ pci_write_config32(dev, 0xc4, dword);
+ dword = pci_read_config32(dev, 0xc8);
+ dword |= (1<<1);
+ pci_write_config32(dev, 0xc8, dword);
+#endif
+
+ if (chip_rev == 0x11) {
+ /* [18] Clock Gate Enable = 1 */
+ dword = pci_read_config32(dev, 0xf0);
+ dword |= 0x00040008;
+ pci_write_config32(dev, 0xf0, dword);
+ }
+
+ }
+ return;
+}
+
+#define BRIDGE_40_BIT_SUPPORT 0
+#if BRIDGE_40_BIT_SUPPORT
+static void bridge_read_resources(struct device *dev)
+{
+ struct resource *res;
+ pci_bus_read_resources(dev);
+ res = find_resource(dev, PCI_MEMORY_BASE);
+ if (res) {
+ res->limit = 0xffffffffffULL;
+ }
+}
+
+static void bridge_set_resources(struct device *dev)
+{
+ struct resource *res;
+ res = find_resource(dev, PCI_MEMORY_BASE);
+ if (res) {
+ resource_t base, end;
+ /* set the memory range */
+ dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ res->flags |= IORESOURCE_STORED;
+ compute_allocate_resource(&dev->link[0], res,
+ IORESOURCE_MEM | IORESOURCE_PREFETCH,
+ IORESOURCE_MEM);
+ base = res->base;
+ end = resource_end(res);
+ pci_write_config16(dev, PCI_MEMORY_BASE, base >> 16);
+ pci_write_config8(dev, NPUML, (base >> 32) & 0xff);
+ pci_write_config16(dev, PCI_MEMORY_LIMIT, end >> 16);
+ pci_write_config8(dev, NPUMB, (end >> 32) & 0xff);
+
+ report_resource_stored(dev, res, "");
+ }
+ pci_dev_set_resources(dev);
+}
+#endif /* BRIDGE_40_BIT_SUPPORT */
+
+static struct device_operations pcix_ops = {
+#if BRIDGE_40_BIT_SUPPORT
+ .read_resources = bridge_read_resources,
+ .set_resources = bridge_set_resources,
+#else
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
+#endif
+ .enable_resources = ,
+ .init = ,
+ .scan_bus = ,
+};
+
+struct device_operations amd8132_pcix = {
+ .id = {.type = DEVICE_ID_PCI,
+ {.pci = {.vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_8132_PCIX}}},
+ .constructor = default_device_constructor,
+ .reset_bus = pci_bus_reset,
+ .phase3_scan = amd8132_scan_bridge,
+#if BRIDGE_40_BIT_SUPPORT
+ .phase4_read_resources = bridge_read_resources,
+ .phase4_set_resources = bridge_set_resources,
+#else
+ .phase4_read_resources = pci_bus_read_resources,
+ .phase4_set_resources = pci_dev_set_resources,
+#endif
+ .phase5_enable_resources = pci_dev_enable_resources,
+ .phase6_init = amd8132_pcix_init,
+ .ops_pci = &pci_dev_ops_pci,
+};
+
+
+static void ioapic_enable(struct device * dev)
+{
+ u32 value;
+
+ value = pci_read_config32(dev, 0x44);
+ if (dev->enabled) {
+ value |= ((1 << 1) | (1 << 0));
+ } else {
+ value &= ~((1 << 1) | (1 << 0));
+ }
+ pci_write_config32(dev, 0x44, value);
+}
+static void amd8132_ioapic_init(struct device * dev)
+{
+ u32 dword;
+ unsigned chip_rev;
+
+ /* Find the revision of the 8132 */
+ chip_rev = pci_read_config8(dev, PCI_CLASS_REVISION);
+
+ if (chip_rev == 0x01) {
+#if 0
+ /* Errata #43 */
+ dword = pci_read_config32(dev, 0xc8);
+ dword |= (0x3<<23);
+ pci_write_config32(dev, 0xc8, dword);
+#endif
+
+ }
+
+
+ if( (chip_rev == 0x11) ||(chip_rev == 0x12) ) {
+ //for b1 b2
+ /* Errata #73 */
+ dword = pci_read_config32(dev, 0x80);
+ dword |= (0x1f<<5);
+ pci_write_config32(dev, 0x80, dword);
+ dword = pci_read_config32(dev, 0x88);
+ dword |= (0x1f<<5);
+ pci_write_config32(dev, 0x88, dword);
+
+ /* Errata #74 */
+ dword = pci_read_config32(dev, 0x7c);
+ dword &= ~(0x3<<30);
+ dword |= (0x01<<30);
+ pci_write_config32(dev, 0x7c, dword);
+ }
+
+}
+
+static struct pci_operations pci_ops_pci_dev = {
+ .set_subsystem = pci_dev_set_subsystem,
+};
+
+struct device_operations amd8132_apic = {
+ .id = {.type = DEVICE_ID_PCI,
+ {.pci = {.vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_8132_IOAPIC}}},
+ .constructor = default_device_constructor,
+ .phase3_scan = 0,
+ .phase4_enable_disable = ioapic_enable,
+ .phase4_read_resources = pci_dev_read_resources,
+ .phase4_set_resources = pci_dev_set_resources,
+ .phase6_init = amd8132_ioapic_init,
+ .ops_pci = &pci_dev_ops_pci,
+};
Added: coreboot-v3/southbridge/amd/amd8132/apic.dts
===================================================================
--- coreboot-v3/southbridge/amd/amd8132/apic.dts (rev 0)
+++ coreboot-v3/southbridge/amd/amd8132/apic.dts 2008-08-15 21:18:26 UTC (rev 771)
@@ -0,0 +1,23 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Ronald G. Minnich <rminnich(a)gmail.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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ */
+
+{
+ device_operations = "amd8132_apic";
+};
Added: coreboot-v3/southbridge/amd/amd8132/pcix.dts
===================================================================
--- coreboot-v3/southbridge/amd/amd8132/pcix.dts (rev 0)
+++ coreboot-v3/southbridge/amd/amd8132/pcix.dts 2008-08-15 21:18:26 UTC (rev 771)
@@ -0,0 +1,23 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Ronald G. Minnich <rminnich(a)gmail.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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ */
+
+{
+ device_operations = "amd8132_pcix";
+};
