/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2008 coresystems GmbH
+ * 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; either version 2 of the License, or
- * (at your option) any later version.
+ * 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
static void sata_init(struct device *dev)
{
u32 reg32;
+ u16 reg16;
/* Get the chip configuration */
config_t *config = dev->chip_info;
- printk_debug("i82801gx_sata: initializing...\n");
+ printk(BIOS_DEBUG, "i82801gx_sata: initializing...\n");
+
+ if (config == NULL) {
+ printk(BIOS_ERR, "i82801gx_sata: error: device not in Config.lb!\n");
+ return;
+ }
+
/* SATA configuration */
/* Enable BARs */
- pci_write_config16(dev, 0x04, 0x0007);
+ pci_write_config16(dev, PCI_COMMAND, 0x0007);
if (config->ide_legacy_combined) {
+ printk(BIOS_DEBUG, "SATA controller in combined mode.\n");
+ /* 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, 0x8000);
- pci_write_config16(dev, IDE_TIM_SEC, 0xa307);
+ 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, 0x48, 0x0004);
- pci_write_config16(dev, 0x4a, 0x0200);
+ 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);
/* Combine IDE - SATA configuration */
pci_write_config8(dev, 0x90, 0x02);
pci_write_config8(dev, 0x92, 0x0f);
/* SATA Initialization register */
- pci_write_config32(dev, 0x94, 0x40000180);
+ pci_write_config32(dev, 0x94, 0x5a000180);
} else if(config->sata_ahci) {
+ printk(BIOS_DEBUG, "SATA controller in AHCI mode.\n");
/* Allow both Legacy and Native mode */
pci_write_config8(dev, 0x09, 0x8f);
pci_write_config8(dev, INTR_LN, 0x0a);
/* Set timings */
- pci_write_config16(dev, IDE_TIM_PRI, 0xa307);
- pci_write_config16(dev, IDE_TIM_SEC, 0x8000);
+ 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, 0x48, 0x0001);
- pci_write_config16(dev, 0x4a, 0x0001);
+ 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_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+ reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
pci_write_config32(dev, IDE_CONFIG, reg32);
/* Set Sata Controller Mode. */
/* SATA Initialization register */
pci_write_config32(dev, 0x94, 0x1a000180);
} else {
+ printk(BIOS_DEBUG, "SATA controller in plain mode.\n");
+ /* Set Sata Controller Mode. No Mapping(?) */
+ pci_write_config8(dev, 0x90, 0x00);
+
+ /* 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
*/
/* 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, 0xa307);
- pci_write_config16(dev, IDE_TIM_SEC, 0xe303);
-
+ 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, 0x48, 0x0005);
- pci_write_config16(dev, 0x4a, 0x0201);
-
+ 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_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+ reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
pci_write_config32(dev, IDE_CONFIG, reg32);
-
- /* Set Sata Controller Mode. */
- pci_write_config8(dev, 0x90, 0x02);
-
+
/* Port 0 & 1 enable XXX */
pci_write_config8(dev, 0x92, 0x15);
-
+
/* SATA Initialization register */
pci_write_config32(dev, 0x94, 0x1a000180);
}
reg32 |= 0x121200aa;
pci_write_config32(dev, 0xa4, reg32);
pci_write_config8(dev, 0xa0, 0x00);
+
+ pci_write_config8(dev, PCI_INTERRUPT_LINE, 0);
+
+ /* Sata Initialization Register */
+ reg32 = pci_read_config32(dev, 0x94);
+ reg32 |= (1 << 30); // due to some bug
+ pci_write_config32(dev, 0x94, reg32);
+}
+
+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,
.init = sata_init,
.scan_bus = 0,
.enable = i82801gx_enable,
+ .ops_pci = &sata_pci_ops,
};
/* Desktop Non-AHCI and Non-RAID Mode */
+/* 82801GB/GR/GDH (ICH7/ICH7R/ICH7DH) */
static const struct pci_driver i82801gx_sata_normal_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x27c0,
};
-/* NOTE: Any of the below are not properly supported yet */
+/* Mobile Non-AHCI and Non-RAID Mode */
+/* 82801GBM/GHM (ICH7-M/ICH7-M DH) */
+static const struct pci_driver i82801gx_sata_mobile_normal_driver __pci_driver = {
+ .ops = &sata_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = 0x27c4,
+};
+
+
+/* NOTE: Any of the below are not properly supported yet. */
/* Desktop AHCI Mode */
+/* 82801GB/GR/GDH (ICH7/ICH7R/ICH7DH) */
static const struct pci_driver i82801gx_sata_ahci_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
};
/* Desktop RAID mode */
+/* 82801GB/GR/GDH (ICH7/ICH7R/ICH7DH) */
static const struct pci_driver i82801gx_sata_raid_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x27c3,
};
-/* Mobile Non-AHCI and Non-RAID Mode */
-static const struct pci_driver i82801gx_sata_mobile_normal_driver __pci_driver = {
- .ops = &sata_ops,
- .vendor = PCI_VENDOR_ID_INTEL,
- .device = 0x27c4,
-};
-
/* Mobile AHCI Mode */
+/* 82801GBM/GHM (ICH7-M/ICH7-M DH) */
static const struct pci_driver i82801gx_sata_mobile_ahci_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
};
/* ICH7M DH Raid Mode */
+/* 82801GHM (ICH7-M DH) */
static const struct pci_driver i82801gx_sata_ich7dh_raid_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x27c6,
};
-