X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=coreboot.git;a=blobdiff_plain;f=src%2Fsouthbridge%2Fintel%2Fbd82x6x%2Fsata.c;fp=src%2Fsouthbridge%2Fintel%2Fbd82x6x%2Fsata.c;h=057b8825b0be46ce11412d30e3344942c17bc9ce;hp=0000000000000000000000000000000000000000;hb=8e073829ec69ee89b3e91f4c040c96988084a526;hpb=cb91e1525eb0b81f9bc2e24e3404d6a9efc1cce3 diff --git a/src/southbridge/intel/bd82x6x/sata.c b/src/southbridge/intel/bd82x6x/sata.c new file mode 100644 index 000000000..057b8825b --- /dev/null +++ b/src/southbridge/intel/bd82x6x/sata.c @@ -0,0 +1,246 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * 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 "pch.h" + +typedef struct southbridge_intel_bd82x6x_config config_t; + +static void sata_init(struct device *dev) +{ + u32 reg32; + u16 reg16; + /* Get the chip configuration */ + config_t *config = dev->chip_info; + + printk(BIOS_DEBUG, "pch_sata: initializing...\n"); + + if (config == NULL) { + printk(BIOS_ERR, "pch_sata: error: device not in devicetree.cb!\n"); + return; + } + + /* SATA configuration */ + + /* Enable BARs */ + pci_write_config16(dev, PCI_COMMAND, 0x0007); + + if (config->ide_legacy_combined) { + printk(BIOS_DEBUG, "SATA controller in combined mode.\n"); + /* Combine IDE - SATA configuration */ + pci_write_config16(dev, 0x90, 0x0000); + + /* No AHCI: clear AHCI base */ + pci_write_config32(dev, 0x24, 0x00000000); + /* And without AHCI BAR no memory decoding */ + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~PCI_COMMAND_MEMORY; + pci_write_config16(dev, PCI_COMMAND, reg16); + + pci_write_config8(dev, 0x09, 0x80); + + /* Set timings */ + pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | + IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS); + pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | + IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS | + IDE_PPE0 | IDE_IE0 | IDE_TIME0); + + /* Sync DMA */ + pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0); + pci_write_config16(dev, IDE_SDMA_TIM, 0x0200); + + /* Set IDE I/O Configuration */ + reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; + pci_write_config32(dev, IDE_CONFIG, reg32); + + /* Port enable */ + reg16 = pci_read_config16(dev, 0x92); + reg16 &= ~0x3f; + reg16 |= config->sata_port_map; + pci_write_config16(dev, 0x92, reg16); + + /* SATA Initialization register */ + pci_write_config32(dev, 0x94, + ((config->sata_port_map ^ 0x3f) << 24) | 0x183); + } else if(config->sata_ahci) { + u32 abar; + + printk(BIOS_DEBUG, "SATA controller in AHCI mode.\n"); + /* Set Sata Controller Mode. */ + pci_write_config16(dev, 0x90, 0x0060 | + ((config->sata_port_map ^ 0x3f) << 8)); + + /* Set Interrupt Line */ + /* Interrupt Pin is set by D31IP.PIP */ + pci_write_config8(dev, INTR_LN, 0x0a); + + /* Set timings */ + pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | + IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS | + IDE_PPE0 | IDE_IE0 | IDE_TIME0); + pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | + IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS); + + /* Sync DMA */ + pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0); + pci_write_config16(dev, IDE_SDMA_TIM, 0x0001); + + /* Set IDE I/O Configuration */ + reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; + pci_write_config32(dev, IDE_CONFIG, reg32); + + /* for AHCI, Port Enable is managed in memory mapped space */ + reg16 = pci_read_config16(dev, 0x92); + reg16 &= ~0x3f; /* 6 ports SKU + ORM */ + reg16 |= 0x8000 | config->sata_port_map; + pci_write_config16(dev, 0x92, reg16); + + /* SATA Initialization register */ + pci_write_config32(dev, 0x94, + ((config->sata_port_map ^ 0x3f) << 24) | 0x183); + + /* Initialize AHCI memory-mapped space */ + abar = pci_read_config32(dev, PCI_BASE_ADDRESS_5); + printk(BIOS_DEBUG, "ABAR: %08X\n", abar); + /* CAP (HBA Capabilities) : enable power management */ + reg32 = read32(abar + 0x00); + reg32 |= 0x0c006000; // set PSC+SSC+SALP+SSS + reg32 &= ~0x00020060; // clear SXS+EMS+PMS + write32(abar + 0x00, reg32); + /* PI (Ports implemented) */ + write32(abar + 0x0c, config->sata_port_map); + (void) read32(abar + 0x0c); /* Read back 1 */ + (void) read32(abar + 0x0c); /* Read back 2 */ + /* CAP2 (HBA Capabilities Extended)*/ + reg32 = read32(abar + 0x24); + reg32 &= ~0x00000002; + write32(abar + 0x24, reg32); + /* VSP (Vendor Specific Register */ + reg32 = read32(abar + 0xa0); + reg32 &= ~0x00000005; + write32(abar + 0xa0, reg32); + } else { + printk(BIOS_DEBUG, "SATA controller in plain mode.\n"); + /* Set Sata Controller Mode. No Mapping(?) */ + pci_write_config16(dev, 0x90, 0x0000); + + /* No AHCI: clear AHCI base */ + pci_write_config32(dev, 0x24, 0x00000000); + + /* And without AHCI BAR no memory decoding */ + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~PCI_COMMAND_MEMORY; + pci_write_config16(dev, PCI_COMMAND, reg16); + + /* Native mode capable on both primary and secondary (0xa) + * or'ed with enabled (0x50) = 0xf + */ + pci_write_config8(dev, 0x09, 0x8f); + + /* Set Interrupt Line */ + /* Interrupt Pin is set by D31IP.PIP */ + pci_write_config8(dev, INTR_LN, 0xff); + + /* Set timings */ + pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | + IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS | + IDE_PPE0 | IDE_IE0 | IDE_TIME0); + pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | + IDE_SITRE | IDE_ISP_3_CLOCKS | + IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0); + + /* Sync DMA */ + pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0); + pci_write_config16(dev, IDE_SDMA_TIM, 0x0201); + + /* Set IDE I/O Configuration */ + reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; + pci_write_config32(dev, IDE_CONFIG, reg32); + + /* Port enable */ + reg16 = pci_read_config16(dev, 0x92); + reg16 &= ~0x3f; + reg16 |= config->sata_port_map; + pci_write_config16(dev, 0x92, reg16); + + /* SATA Initialization register */ + pci_write_config32(dev, 0x94, + ((config->sata_port_map ^ 0x3f) << 24) | 0x183); + } +} + +static void sata_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 sata_pci_ops = { + .set_subsystem = sata_set_subsystem, +}; + +static struct device_operations sata_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = sata_init, + .scan_bus = 0, + .ops_pci = &sata_pci_ops, +}; + +/* Non-AHCI and Non-RAID Mode */ +static const struct pci_driver pch_sata_normal_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x1c00, +}; +static const struct pci_driver pch_sata_mobile_normal_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x1c01, +}; + +/* AHCI Mode */ +static const struct pci_driver pch_sata_ahci_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x1c02, +}; +static const struct pci_driver pch_sata_mobile_ahci_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x1c03, +}; +static const struct pci_driver pch_sata_mobile_ahci_driver_a __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x1e03, +}; +