summaryrefslogtreecommitdiff
path: root/src/southbridge
diff options
context:
space:
mode:
authorArthur Heymans <arthur@aheymans.xyz>2019-11-19 17:22:04 +0100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-11-20 19:00:11 +0000
commit979d4ce02f489996aeca0ae7ec4437712012619c (patch)
treed3a33507440c2ff6cf9872624eebf69a180ceed9 /src/southbridge
parentb274ccf59670c9110c75edbe563e6d5287d4604d (diff)
downloadcoreboot-979d4ce02f489996aeca0ae7ec4437712012619c.tar.xz
sb/amd/amd8132: Drop support
Relocatable ramstage, postcar stage and C_ENVIRONMENT_BOOTBLOCK are now mandatory features, which this platform lacks. Change-Id: I83d7025280b75088c37049f34564610612996e1b Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36965 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/amd/amd8132/Kconfig2
-rw-r--r--src/southbridge/amd/amd8132/Makefile.inc5
-rw-r--r--src/southbridge/amd/amd8132/bridge.c424
3 files changed, 0 insertions, 431 deletions
diff --git a/src/southbridge/amd/amd8132/Kconfig b/src/southbridge/amd/amd8132/Kconfig
deleted file mode 100644
index 09e7ac58d5..0000000000
--- a/src/southbridge/amd/amd8132/Kconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-config SOUTHBRIDGE_AMD_AMD8132
- bool
diff --git a/src/southbridge/amd/amd8132/Makefile.inc b/src/southbridge/amd/amd8132/Makefile.inc
deleted file mode 100644
index 75dce39f54..0000000000
--- a/src/southbridge/amd/amd8132/Makefile.inc
+++ /dev/null
@@ -1,5 +0,0 @@
-ifeq ($(CONFIG_SOUTHBRIDGE_AMD_AMD8132),y)
-
-ramstage-y += bridge.c
-
-endif
diff --git a/src/southbridge/amd/amd8132/bridge.c b/src/southbridge/amd/amd8132/bridge.c
deleted file mode 100644
index 1088dda79c..0000000000
--- a/src/southbridge/amd/amd8132/bridge.c
+++ /dev/null
@@ -1,424 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2005,2010 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; 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.
- */
-
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <device/pci_def.h>
-#include <device/pcix.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_list, visit, ptr);
- }
- visit(child, ptr);
- }
-}
-
-struct amd8132_bus_info {
- unsigned int sstatus;
- unsigned int 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 int cap;
- unsigned int status, cmd, orig_cmd;
- unsigned int 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 void amd8132_scan_bus(struct bus *bus,
- unsigned int min_devfn, unsigned int max_devfn)
-{
- struct amd8132_bus_info info;
- unsigned int pos;
-
- /* Find the children on the bus */
- pci_scan_bus(bus, min_devfn, max_devfn);
-
- /* 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 int 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;
- }
-#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;
- }
-
- /* Tune the devices on the bus */
- amd8132_walk_children(bus, amd8132_pcix_tune_dev, &info);
-}
-
-static void amd8132_scan_bridge(struct device *dev)
-{
- do_pci_scan_bridge(dev, amd8132_scan_bus);
-}
-
-
-static void amd8132_pcix_init(struct device *dev)
-{
- uint32_t dword;
- uint8_t byte;
- unsigned int 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); //Initial 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;
- 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 = pci_bus_enable_resources,
- .init = amd8132_pcix_init,
- .scan_bus = amd8132_scan_bridge,
- .reset_bus = pci_bus_reset,
-};
-
-static const struct pci_driver pcix_driver __pci_driver = {
- .ops = &pcix_ops,
- .vendor = PCI_VENDOR_ID_AMD,
- .device = 0x7458,
-};
-
-static void ioapic_enable(struct device *dev)
-{
- uint32_t 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)
-{
- uint32_t dword;
- unsigned int 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,
-};
-static struct device_operations ioapic_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = amd8132_ioapic_init,
- .scan_bus = 0,
- .enable = ioapic_enable,
- .ops_pci = &pci_ops_pci_dev,
-};
-
-static const struct pci_driver ioapic_driver __pci_driver = {
- .ops = &ioapic_ops,
- .vendor = PCI_VENDOR_ID_AMD,
- .device = 0x7459,
-
-};