From 3a09179f462ad3f6111c7b8ebbad7d78534f9234 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Thu, 13 Jun 2013 00:13:50 +0200 Subject: Revert "Add support for Intel Ibex Peak (Mobile 5) southbridge" This reverts commit 0210119b4b95e84f954cfd6dc11aafbc187421af Change-Id: I5be3f2a54394c592650a0dcd671e4a72ae796cb2 Reviewed-on: http://review.coreboot.org/3443 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/southbridge/intel/ibexpeak/azalia.c | 372 -------------------------------- 1 file changed, 372 deletions(-) delete mode 100644 src/southbridge/intel/ibexpeak/azalia.c (limited to 'src/southbridge/intel/ibexpeak/azalia.c') diff --git a/src/southbridge/intel/ibexpeak/azalia.c b/src/southbridge/intel/ibexpeak/azalia.c deleted file mode 100644 index 6662df4990..0000000000 --- a/src/southbridge/intel/ibexpeak/azalia.c +++ /dev/null @@ -1,372 +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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include "pch.h" - -#define HDA_ICII_REG 0x68 -#define HDA_ICII_BUSY (1 << 0) -#define HDA_ICII_VALID (1 << 1) - -typedef struct southbridge_intel_ibexpeak_config config_t; - -static int set_bits(u32 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(u32 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; -} - -const u32 * cim_verb_data = NULL; -u32 cim_verb_data_size = 0; -const u32 * pc_beep_verbs = NULL; -u32 pc_beep_verbs_size = 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(u32 base) -{ - /* Use a 1msec timeout */ - - int timeout = 1000; - - 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(u32 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 1msec timeout */ - - int timeout = 1000; - 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, u32 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, u32 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) -{ - u32 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 = (u32)res->base; - 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); // 2 << 24 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 - 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); - 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); - - if (dev->device == 0x1e20) { - /* Additional step on Panther Point */ - reg32 = pci_read_config32(dev, 0xc4); - reg32 |= (1 << 17); - pci_write_config32(dev, 0xc4, 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 */ - - /* Take controller out of reset */ - reg32 = read32(base + 0x08); - reg32 |= (1 << 0); - write32(base + 0x08, reg32); - /* Wait 1ms */ - udelay(1000); - - // - 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[] = { 0x3b56, 0 }; - -static const struct pci_driver pch_azalia __pci_driver = { - .ops = &azalia_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices = pci_device_ids, -}; - -- cgit v1.2.3