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Diffstat (limited to 'src/southbridge/amd/sb600/hda.c')
-rw-r--r--src/southbridge/amd/sb600/hda.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/src/southbridge/amd/sb600/hda.c b/src/southbridge/amd/sb600/hda.c
deleted file mode 100644
index 367866f11f..0000000000
--- a/src/southbridge/amd/sb600/hda.c
+++ /dev/null
@@ -1,325 +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.
- */
-
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <arch/io.h>
-#include <delay.h>
-#include "sb600.h"
-
-#define HDA_ICII_REG 0x68
-#define HDA_ICII_BUSY (1 << 0)
-#define HDA_ICII_VALID (1 << 1)
-
-static int set_bits(void *port, u32 mask, u32 val)
-{
- u32 dword;
- int count;
-
- /* Write (val & ~mask) to port */
- val &= mask;
- dword = read32(port);
- dword &= ~mask;
- dword |= val;
- write32(port, dword);
-
- /* 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);
- dword = read32(port);
- dword &= mask;
- } while ((dword != val) && --count);
-
- /* Timeout occurred */
- if (!count)
- return -1;
- return 0;
-}
-
-static u32 codec_detect(void *base)
-{
- u32 dword;
-
- /* Set Bit0 to 0 to enter reset state (BAR + 0x8)[0] */
- if (set_bits(base + 0x08, 1, 0) == -1)
- goto no_codec;
-
- /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */
- if (set_bits(base + 0x08, 1, 1) == -1)
- goto no_codec;
-
- /* Delay for 1 ms since the BKDG does */
- mdelay(1);
-
- /* Read in Codec location (BAR + 0xe)[3..0]*/
- dword = read32(base + 0xe);
- dword &= 0x0F;
- if (!dword)
- goto no_codec;
-
- return dword;
-
-no_codec:
- /* Codec Not found */
- /* Put HDA back in reset (BAR + 0x8) [0] */
- set_bits(base + 0x08, 1, 0);
- printk(BIOS_DEBUG, "No codec!\n");
- return 0;
-}
-
-static u32 cim_verb_data[] = {
- 0x01471c10,
- 0x01471d40,
- 0x01471e01,
- 0x01471f01,
-/* 1 */
- 0x01571c12,
- 0x01571d10,
- 0x01571e01,
- 0x01571f01,
-/* 2 */
- 0x01671c11,
- 0x01671d60,
- 0x01671e01,
- 0x01671f01,
-/* 3 */
- 0x01771c14,
- 0x01771d20,
- 0x01771e01,
- 0x01771f01,
-/* 4 */
- 0x01871c30,
- 0x01871d90,
- 0x01871ea1,
- 0x01871f01,
-/* 5 */
- 0x01971cf0,
- 0x01971d11,
- 0x01971e11,
- 0x01971f41,
-/* 6 */
- 0x01a71c80,
- 0x01a71d30,
- 0x01a71e81,
- 0x01a71f01,
-/* 7 */
- 0x01b71cf0,
- 0x01b71d11,
- 0x01b71e11,
- 0x01b71f41,
-/* 8 */
- 0x01c71cf0,
- 0x01c71d11,
- 0x01c71e11,
- 0x01c71f41,
-/* 9 */
- 0x01d71cf0,
- 0x01d71d11,
- 0x01d71e11,
- 0x01d71f41,
-/* 10 */
- 0x01e71c50,
- 0x01e71d11,
- 0x01e71e44,
- 0x01e71f01,
-/* 11 */
- 0x01f71c60,
- 0x01f71d61,
- 0x01f71ec4,
- 0x01f71f01,
-};
-
-static u32 find_verb(u32 viddid, u32 ** verb)
-{
- struct device *azalia_dev = dev_find_slot(0, PCI_DEVFN(0x14, 2));
- struct southbridge_amd_sb600_config *cfg =
- (struct southbridge_amd_sb600_config *)azalia_dev->chip_info;
- if (!cfg)
- return 0;
- printk(BIOS_DEBUG, "Dev=%s\n", dev_path(azalia_dev));
- printk(BIOS_DEBUG, "Default viddid=%x\n", cfg->hda_viddid);
- printk(BIOS_DEBUG, "Reading viddid=%x\n", viddid);
- if (viddid != cfg->hda_viddid)
- return 0;
- *verb = (u32 *) cim_verb_data;
- return sizeof(cim_verb_data) / sizeof(u32);
-}
-
-/**
- * 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(void *base)
-{
- /* Use a 50 usec timeout - the Linux kernel uses the
- * same duration */
-
- int timeout = 50;
-
- while (timeout--) {
- u32 dword = read32(base + HDA_ICII_REG);
- if (!(dword & 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(void *base)
-{
- /* Use a 50 usec timeout - the Linux kernel uses the
- * same duration */
-
- int timeout = 50;
- while (timeout--) {
- u32 dword = read32(base + HDA_ICII_REG);
- if ((dword & (HDA_ICII_VALID | HDA_ICII_BUSY)) ==
- HDA_ICII_VALID)
- return 0;
- udelay(1);
- }
-
- return -1;
-}
-
-static void codec_init(void *base, int addr)
-{
- u32 dword;
- u32 *verb;
- u32 verb_size;
- int i;
-
- /* 1 */
- if (wait_for_ready(base) == -1)
- return;
-
- dword = (addr << 28) | 0x000f0000;
- write32(base + 0x60, dword);
-
- if (wait_for_valid(base) == -1)
- return;
-
- dword = read32(base + 0x64);
-
- /* 2 */
- printk(BIOS_DEBUG, "codec viddid: %08x\n", dword);
- verb_size = find_verb(dword, &verb);
-
- if (!verb_size) {
- printk(BIOS_DEBUG, "No verb!\n");
- return;
- }
-
- printk(BIOS_DEBUG, "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, "verb loaded!\n");
-}
-
-static void codecs_init(void *base, u32 codec_mask)
-{
- int i;
- for (i = 2; i >= 0; i--) {
- if (codec_mask & (1 << i))
- codec_init(base, i);
- }
-}
-
-static void hda_init(struct device *dev)
-{
- u8 byte;
- u32 dword;
- void *base;
- struct resource *res;
- u32 codec_mask;
- struct device *sm_dev;
-
- /* Enable azalia - PM_io 0x59[4], disable ac97 - PM_io 0x59[1..0] */
- pm_iowrite(0x59, 0xB);
-
- /* Find the SMBus */
- sm_dev = dev_find_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB600_SM, 0);
-
- /* Set routing pin - SMBus ExtFunc (0xf8/0xfc) */
- pci_write_config32(sm_dev, 0xf8, 0x00);
- pci_write_config8(sm_dev, 0xfc, 0xAA);
- /* Set INTA - SMBus 0x63 [2..0] */
- byte = pci_read_config8(sm_dev, 0x63);
- byte &= ~0x7;
- byte |= 0x0; /* INTA:0x0 - INTH:0x7 */
- pci_write_config8(sm_dev, 0x63, byte);
-
- /* Program the 2C to 0x437b1002 */
- dword = 0x437b1002;
- pci_write_config32(dev, 0x2c, dword);
-
- /* Read in BAR */
- /* Is this right? HDA allows for a 64-bit BAR
- * but this is only setup for a 32-bit one
- */
- res = find_resource(dev, 0x10);
- if (!res)
- return;
-
- base = res2mmio(res, 0, 0);
- printk(BIOS_DEBUG, "base = 0x%p\n", base);
- codec_mask = codec_detect(base);
-
- if (codec_mask) {
- printk(BIOS_DEBUG, "codec_mask = %02x\n", codec_mask);
- codecs_init(base, codec_mask);
- }
-}
-
-static struct pci_operations lops_pci = {
- .set_subsystem = pci_dev_set_subsystem,
-};
-
-static struct device_operations hda_audio_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- /*.enable = sb600_enable, */
- .init = hda_init,
- .scan_bus = 0,
- .ops_pci = &lops_pci,
-};
-
-static const struct pci_driver hdaaudio_driver __pci_driver = {
- .ops = &hda_audio_ops,
- .vendor = PCI_VENDOR_ID_ATI,
- .device = PCI_DEVICE_ID_ATI_SB600_HDA,
-};