summaryrefslogtreecommitdiff
path: root/src/southbridge/amd/sb600/lpc.c
diff options
context:
space:
mode:
authorMarc Jones <marc.jones@amd.com>2008-10-03 23:23:20 +0000
committerMarc Jones <marc.jones@amd.com>2008-10-03 23:23:20 +0000
commitcf762a4be52ebb9082bc7e971ec31496d7aafa22 (patch)
tree1ad6188898fd31c5e4e1f2f32eb274a8f47d4d94 /src/southbridge/amd/sb600/lpc.c
parent6c0b6d72bcce9cbe83599682de753013b3eced17 (diff)
Ron has been doing really good work over in v3. The problem is that the work got checked into v2. This should get us back to where we were. (trivial)
Signed-off-by: Marc Jones <marc.jones@amd.com> Acked-by: Marc Jones <marc.jones@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3636 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd/sb600/lpc.c')
-rw-r--r--src/southbridge/amd/sb600/lpc.c222
1 files changed, 0 insertions, 222 deletions
diff --git a/src/southbridge/amd/sb600/lpc.c b/src/southbridge/amd/sb600/lpc.c
deleted file mode 100644
index 982bc84643..0000000000
--- a/src/southbridge/amd/sb600/lpc.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2008 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
- */
-
-#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>
-#include "sb600.h"
-
-static void lpc_init(struct device * dev)
-{
- u8 byte;
- u32 dword;
- struct device * sm_dev;
-
- /* Enable the LPC Controller */
- sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
- dword = pci_read_config32(sm_dev, 0x64);
- dword |= 1 << 20;
- pci_write_config32(sm_dev, 0x64, dword);
-
- /* Initialize isa dma */
- isa_dma_init();
-
- /* RPR 7.2 Enable DMA transaction on the LPC bus */
- byte = pci_read_config8(dev, 0x40);
- byte |= (1 << 2);
- pci_write_config8(dev, 0x40, byte);
-
- /* RPR 7.3 Disable the timeout mechanism on LPC */
- byte = pci_read_config8(dev, 0x48);
- byte &= ~(1 << 7);
- pci_write_config8(dev, 0x48, byte);
-
- /* RPR 7.5 Disable LPC MSI Capability */
- byte = pci_read_config8(dev, 0x78);
- byte &= ~(1 << 1);
- pci_write_config8(dev, 0x78, byte);
-
-}
-
-static void sb600_lpc_read_resources(struct device * dev)
-{
- struct resource *res;
-
- /* Get the normal pci resources of this device */
- pci_dev_read_resources(dev); /* We got one for APIC, or one more for TRAP */
-
- pci_get_resource(dev, 0xA0); /* SPI ROM base address */
-
- /* Add an extra subtractive resource for both memory and I/O */
- res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- compact_resources(dev);
-}
-
-/**
- * @brief Enable resources for children devices
- *
- * @param dev the device whos children's resources are to be enabled
- *
- * This function is call by the global enable_resources() indirectly via the
- * device_operation::enable_resources() method of devices.
- *
- * Indirect mutual recursion:
- * enable_childrens_resources() -> enable_resources()
- * enable_resources() -> device_operation::enable_resources()
- * device_operation::enable_resources() -> enable_children_resources()
- */
-static void sb600_lpc_enable_childrens_resources(struct device * dev)
-{
- u32 link;
- u32 reg, reg_x;
- int i;
- int var_num = 0;
- u16 reg_var[3];
-
- reg = pci_read_config32(dev, 0x44);
- reg_x = pci_read_config32(dev, 0x48);
-
- for (link = 0; link < dev->links; link++) {
- struct device * child;
- for (child = dev->link[link].children; child;
- child = child->sibling) {
- enable_resources(child);
- if (child->have_resources
- && (child->path.type == DEVICE_PATH_PNP)) {
- for (i = 0; i < child->resources; i++) {
- struct resource *res;
- unsigned long base, end; /* don't need long long */
- res = &child->resource[i];
- if (!(res->flags & IORESOURCE_IO))
- continue;
- base = res->base;
- end = resource_end(res);
- printk_debug
- ("sb600 lpc decode:%s, base=0x%08x, end=0x%08x\n",
- dev_path(child), base, end);
- switch (base) {
- case 0x60: /* KB */
- case 0x64: /* MS */
- reg |= (1 << 29);
- break;
- case 0x3f8: /* COM1 */
- reg |= (1 << 6);
- break;
- case 0x2f8: /* COM2 */
- reg |= (1 << 7);
- break;
- case 0x378: /* Parallal 1 */
- reg |= (1 << 0);
- break;
- case 0x3f0: /* FD0 */
- reg |= (1 << 26);
- break;
- case 0x220: /* Aduio 0 */
- reg |= (1 << 8);
- break;
- case 0x300: /* Midi 0 */
- reg |= (1 << 18);
- break;
- case 0x400:
- reg_x |= (1 << 16);
- break;
- case 0x480:
- reg_x |= (1 << 17);
- break;
- case 0x500:
- reg_x |= (1 << 18);
- break;
- case 0x580:
- reg_x |= (1 << 19);
- break;
- case 0x4700:
- reg_x |= (1 << 22);
- break;
- case 0xfd60:
- reg_x |= (1 << 23);
- break;
- default:
- if (var_num >= 3)
- continue; /* only 3 var ; compact them ? */
- switch (var_num) {
- case 0:
- reg_x |= (1 << 2);
- break;
- case 1:
- reg_x |= (1 << 24);
- break;
- case 2:
- reg_x |= (1 << 25);
- break;
- }
- reg_var[var_num++] =
- base & 0xffff;
- }
- }
- }
- }
- }
- pci_write_config32(dev, 0x44, reg);
- pci_write_config32(dev, 0x48, reg_x);
- switch (var_num) {
- case 2:
- pci_write_config16(dev, 0x90, reg_var[2]);
- case 1:
- pci_write_config16(dev, 0x66, reg_var[1]);
- case 0:
- pci_write_config16(dev, 0x64, reg_var[0]);
- break;
- }
-}
-
-static void sb600_lpc_enable_resources(struct device * dev)
-{
- pci_dev_enable_resources(dev);
- sb600_lpc_enable_childrens_resources(dev);
-}
-
-static struct pci_operations lops_pci = {
- .set_subsystem = pci_dev_set_subsystem,
-};
-
-struct device_operations sb600_lpc = {
- .id = {.type = DEVICE_ID_PCI,
- {.pci = {.vendor = PCI_VENDOR_ID_AMD,
- .device = PCI_DEVICE_ID_AMD_8111_IDE}}},
- .constructor = default_device_constructor,
- .phase3_scan_bus = scan_status_bus,
- .phase4_read_resources = sb600_lpc_read_resources,
- .phase4_set_resources = pci_dev_set_resources,
- .phase5_enable_resources = sb600_lpc_enable_resources,
- .phase6_init = lpc_init,
- .ops_pci = &lops_pci
-};