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authorAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-10-03 13:20:26 -0700
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-10-03 22:23:24 +0000
commitfb50124d22014742b6990a95df87a7a828e891b6 (patch)
tree2de7958eedfd8b2ce34f148af251ad6ce13930e4 /src/southbridge/intel/fsp_bd82x6x/azalia.c
parentecf2eb463faff04ab6061eb5dfd8da26c5026a97 (diff)
Remove sandybridge and ivybridge FSP code path
We already have two other code paths for this silicon. Maintaining the FSP path as well doesn't make much sense. There was only one board to use this code, and it's a reference board that I doubt anyone still owns or uses. Change-Id: I4fcfa6c56448416624fd26418df19b354eb72f39 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/11789 Tested-by: build bot (Jenkins) Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Diffstat (limited to 'src/southbridge/intel/fsp_bd82x6x/azalia.c')
-rw-r--r--src/southbridge/intel/fsp_bd82x6x/azalia.c371
1 files changed, 0 insertions, 371 deletions
diff --git a/src/southbridge/intel/fsp_bd82x6x/azalia.c b/src/southbridge/intel/fsp_bd82x6x/azalia.c
deleted file mode 100644
index b6f728c4a8..0000000000
--- a/src/southbridge/intel/fsp_bd82x6x/azalia.c
+++ /dev/null
@@ -1,371 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- * Copyright (C) 2008-2009 coresystems GmbH
- * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
- *
- * 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.
- */
-
-#include <console/console.h>
-#include <device/device.h>
-#include <device/azalia_device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <arch/io.h>
-#include <delay.h>
-#include "pch.h"
-
-#define HDA_ICII_REG 0x68
-#define HDA_ICII_BUSY (1 << 0)
-#define HDA_ICII_VALID (1 << 1)
-
-typedef struct southbridge_intel_bd82x6x_config config_t;
-
-static int set_bits(void *port, u32 mask, u32 val)
-{
- u32 reg32;
- int count;
-
- /* Write (val & mask) to port */
- val &= mask;
- reg32 = read32(port);
- reg32 &= ~mask;
- reg32 |= val;
- write32(port, reg32);
-
- /* Wait for readback of register to
- * match what was just written to it
- */
- count = 50;
- do {
- /* Wait 1ms based on BKDG wait time */
- mdelay(1);
- reg32 = read32(port);
- reg32 &= mask;
- } while ((reg32 != val) && --count);
-
- /* Timeout occurred */
- if (!count)
- return -1;
- return 0;
-}
-
-static int codec_detect(u8 *base)
-{
- u8 reg8;
-
- /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */
- if (set_bits(base + 0x08, 1, 1) == -1)
- goto no_codec;
-
- /* Write back the value once reset bit is set. */
- write16(base + 0x0,
- read16(base + 0x0));
-
- /* Read in Codec location (BAR + 0xe)[2..0]*/
- reg8 = read8(base + 0xe);
- reg8 &= 0x0f;
- if (!reg8)
- goto no_codec;
-
- return reg8;
-
-no_codec:
- /* Codec Not found */
- /* Put HDA back in reset (BAR + 0x8) [0] */
- set_bits(base + 0x08, 1, 0);
- printk(BIOS_DEBUG, "Azalia: No codec!\n");
- return 0;
-}
-
-static u32 find_verb(struct device *dev, u32 viddid, const u32 ** verb)
-{
- int idx=0;
-
- while (idx < (cim_verb_data_size / sizeof(u32))) {
- u32 verb_size = 4 * cim_verb_data[idx+2]; // in u32
- if (cim_verb_data[idx] != viddid) {
- idx += verb_size + 3; // skip verb + header
- continue;
- }
- *verb = &cim_verb_data[idx+3];
- return verb_size;
- }
-
- /* Not all codecs need to load another verb */
- return 0;
-}
-
-/**
- * Wait 50usec for the codec to indicate it is ready
- * no response would imply that the codec is non-operative
- */
-
-static int wait_for_ready(u8 *base)
-{
- /* Use a 50 usec timeout - the Linux kernel uses the
- * same duration */
-
- int timeout = 50;
-
- while(timeout--) {
- u32 reg32 = read32(base + HDA_ICII_REG);
- if (!(reg32 & HDA_ICII_BUSY))
- return 0;
- udelay(1);
- }
-
- return -1;
-}
-
-/**
- * Wait 50usec for the codec to indicate that it accepted
- * the previous command. No response would imply that the code
- * is non-operative
- */
-
-static int wait_for_valid(u8 *base)
-{
- u32 reg32;
-
- /* Send the verb to the codec */
- reg32 = read32(base + HDA_ICII_REG);
- reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID;
- write32(base + HDA_ICII_REG, reg32);
-
- /* Use a 50 usec timeout - the Linux kernel uses the
- * same duration */
-
- int timeout = 50;
- while(timeout--) {
- reg32 = read32(base + HDA_ICII_REG);
- if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) ==
- HDA_ICII_VALID)
- return 0;
- udelay(1);
- }
-
- return -1;
-}
-
-static void codec_init(struct device *dev, u8 *base, int addr)
-{
- u32 reg32;
- const u32 *verb;
- u32 verb_size;
- int i;
-
- printk(BIOS_DEBUG, "Azalia: Initializing codec #%d\n", addr);
-
- /* 1 */
- if (wait_for_ready(base) == -1) {
- printk(BIOS_DEBUG, " codec not ready.\n");
- return;
- }
-
- reg32 = (addr << 28) | 0x000f0000;
- write32(base + 0x60, reg32);
-
- if (wait_for_valid(base) == -1) {
- printk(BIOS_DEBUG, " codec not valid.\n");
- return;
- }
-
- reg32 = read32(base + 0x64);
-
- /* 2 */
- printk(BIOS_DEBUG, "Azalia: codec viddid: %08x\n", reg32);
- verb_size = find_verb(dev, reg32, &verb);
-
- if (!verb_size) {
- printk(BIOS_DEBUG, "Azalia: No verb!\n");
- return;
- }
- printk(BIOS_DEBUG, "Azalia: verb_size: %d\n", verb_size);
-
- /* 3 */
- for (i = 0; i < verb_size; i++) {
- if (wait_for_ready(base) == -1)
- return;
-
- write32(base + 0x60, verb[i]);
-
- if (wait_for_valid(base) == -1)
- return;
- }
- printk(BIOS_DEBUG, "Azalia: verb loaded.\n");
-}
-
-static void codecs_init(struct device *dev, u8 *base, u32 codec_mask)
-{
- int i;
- for (i = 3; i >= 0; i--) {
- if (codec_mask & (1 << i))
- codec_init(dev, base, i);
- }
-
- for (i = 0; i < pc_beep_verbs_size; i++) {
- if (wait_for_ready(base) == -1)
- return;
-
- write32(base + 0x60, pc_beep_verbs[i]);
-
- if (wait_for_valid(base) == -1)
- return;
- }
-}
-
-static void azalia_init(struct device *dev)
-{
- u8 *base;
- struct resource *res;
- u32 codec_mask;
- u8 reg8;
- u16 reg16;
- u32 reg32;
-
- /* Find base address */
- res = find_resource(dev, PCI_BASE_ADDRESS_0);
- if (!res)
- return;
-
- // NOTE this will break as soon as the Azalia get's a bar above
- // 4G. Is there anything we can do about it?
- base = res2mmio(res, 0, 0);
- printk(BIOS_DEBUG, "Azalia: base = %08x\n", (u32)base);
-
- if (RCBA32(0x2030) & (1 << 31)) {
- reg32 = pci_mmio_read_config32(dev, 0x120);
- reg32 &= 0xf8ffff01;
- reg32 |= (1 << 24); // 25 for server
- reg32 |= RCBA32(0x2030) & 0xfe;
- pci_mmio_write_config32(dev, 0x120, reg32);
-
- reg16 = pci_mmio_read_config16(dev, 0x78);
- reg16 &= ~(1 << 11);
- pci_mmio_write_config16(dev, 0x78, reg16);
- } else
- printk(BIOS_DEBUG, "Azalia: V1CTL disabled.\n");
-
- reg32 = pci_mmio_read_config32(dev, 0x114);
- reg32 &= ~0xfe;
- pci_mmio_write_config32(dev, 0x114, reg32);
-
- // Set VCi enable bit
- if (pci_mmio_read_config32(dev, 0x120) & ((1 << 24) |
- (1 << 25) | (1 << 26))) {
- reg32 = pci_mmio_read_config32(dev, 0x120);
- reg32 |= (1 << 31);
- pci_mmio_write_config32(dev, 0x120, reg32);
- }
-
- // Enable HDMI codec:
- reg32 = pci_read_config32(dev, 0xc4);
- reg32 |= (1 << 1);
- pci_write_config32(dev, 0xc4, reg32);
-
- reg8 = pci_read_config8(dev, 0x43);
- reg8 |= (1 << 6);
- pci_write_config8(dev, 0x43, reg8);
-
- /* Additional programming steps */
- reg32 = pci_read_config32(dev, 0xc4);
- reg32 |= (1 << 13) | (1 << 10);
- pci_write_config32(dev, 0xc4, reg32);
-
- reg32 = pci_read_config32(dev, 0xd0);
- reg32 &= ~(1 << 31);
- pci_write_config32(dev, 0xd0, reg32);
-
- /* Additional programming steps */
- reg32 = pci_read_config32(dev, 0xc4);
- reg32 |= (1 << 13);
- pci_write_config32(dev, 0xc4, reg32);
-
- reg32 = pci_read_config32(dev, 0xc4);
- reg32 |= (1 << 10);
- pci_write_config32(dev, 0xc4, reg32);
-
- reg32 = pci_read_config32(dev, 0xd0);
- reg32 &= ~(1 << 31);
- pci_write_config32(dev, 0xd0, reg32);
-
- /* Set Bus Master */
- reg32 = pci_read_config32(dev, PCI_COMMAND);
- pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
-
- pci_write_config8(dev, 0x3c, 0x0a); // unused?
-
- /* Codec Initialization Programming Sequence */
- reg32 = read32(base + 0x08);
- reg32 |= (1 << 0);
- write32(base + 0x08, reg32);
-
- //
- reg8 = pci_read_config8(dev, 0x40); // Audio Control
- reg8 |= 1; // Select Azalia mode. This needs to be controlled via devicetree.cb
- pci_write_config8(dev, 0x40, reg8);
-
- reg8 = pci_read_config8(dev, 0x4d); // Docking Status
- reg8 &= ~(1 << 7); // Docking not supported
- pci_write_config8(dev, 0x4d, reg8);
-
- codec_mask = codec_detect(base);
-
- if (codec_mask) {
- printk(BIOS_DEBUG, "Azalia: codec_mask = %02x\n", codec_mask);
- codecs_init(dev, base, codec_mask);
- }
-
- /* Enable dynamic clock gating */
- reg8 = pci_read_config8(dev, 0x43);
- reg8 &= ~0x7;
- reg8 |= (1 << 2) | (1 << 0);
- pci_write_config8(dev, 0x43, reg8);
-}
-
-static void azalia_set_subsystem(device_t dev, unsigned vendor, unsigned device)
-{
- if (!vendor || !device) {
- pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
- pci_read_config32(dev, PCI_VENDOR_ID));
- } else {
- pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
- ((device & 0xffff) << 16) | (vendor & 0xffff));
- }
-}
-
-static struct pci_operations azalia_pci_ops = {
- .set_subsystem = azalia_set_subsystem,
-};
-
-static struct device_operations azalia_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = azalia_init,
- .scan_bus = 0,
- .ops_pci = &azalia_pci_ops,
-};
-
-static const unsigned short pci_device_ids[] = { 0x1c20, 0x1e20, 0 };
-
-static const struct pci_driver pch_azalia __pci_driver = {
- .ops = &azalia_ops,
- .vendor = PCI_VENDOR_ID_INTEL,
- .devices = pci_device_ids,
-};