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Diffstat (limited to 'src/southbridge/amd/sb700/sata.c')
-rw-r--r--src/southbridge/amd/sb700/sata.c294
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diff --git a/src/southbridge/amd/sb700/sata.c b/src/southbridge/amd/sb700/sata.c
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+++ b/src/southbridge/amd/sb700/sata.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 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.
+ *
+ * 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 <console/console.h>
+#include <device/device.h>
+#include <delay.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include "sb700.h"
+
+static int sata_drive_detect(int portnum, u16 iobar)
+{
+ u8 byte, byte2;
+ int i = 0;
+ outb(0xA0 + 0x10 * (portnum % 2), iobar + 0x6);
+ while (byte = inb(iobar + 0x6), byte2 = inb(iobar + 0x7),
+ (byte != (0xA0 + 0x10 * (portnum % 2))) ||
+ ((byte2 & 0x88) != 0)) {
+ printk(BIOS_SPEW, "0x6=%x, 0x7=%x\n", byte, byte2);
+ if (byte != (0xA0 + 0x10 * (portnum % 2))) {
+ /* This will happen at the first iteration of this loop
+ * if the first SATA port is unpopulated and the
+ * second SATA port is poulated.
+ */
+ printk(BIOS_DEBUG, "drive no longer selected after %i ms, "
+ "retrying init\n", i * 10);
+ return 1;
+ } else
+ printk(BIOS_SPEW, "drive detection not yet completed, "
+ "waiting...\n");
+ mdelay(10);
+ i++;
+ }
+ printk(BIOS_SPEW, "drive detection done after %i ms\n", i * 10);
+ return 0;
+}
+
+ /* This function can be overloaded in mainboard.c */
+
+void __attribute__((weak)) sb700_setup_sata_phys(struct device *dev) {
+ /* RPR7.6.1 Program the PHY Global Control to 0x2C00 */
+ pci_write_config16(dev, 0x86, 0x2c00);
+
+ /* RPR7.6.2 SATA GENI PHY ports setting */
+ pci_write_config32(dev, 0x88, 0x01B48017);
+ pci_write_config32(dev, 0x8c, 0x01B48019);
+ pci_write_config32(dev, 0x90, 0x01B48016);
+ pci_write_config32(dev, 0x94, 0x01B48016);
+ pci_write_config32(dev, 0x98, 0x01B48016);
+ pci_write_config32(dev, 0x9C, 0x01B48016);
+
+ /* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */
+ pci_write_config16(dev, 0xA0, 0xA09A);
+ pci_write_config16(dev, 0xA2, 0xA09F);
+ pci_write_config16(dev, 0xA4, 0xA07A);
+ pci_write_config16(dev, 0xA6, 0xA07A);
+ pci_write_config16(dev, 0xA8, 0xA07A);
+ pci_write_config16(dev, 0xAA, 0xA07A);
+}
+
+static void sata_init(struct device *dev)
+{
+ u8 byte;
+ u16 word;
+ u32 dword;
+ u8 rev_id;
+ u32 sata_bar5;
+ u16 sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4;
+ int i, j;
+
+ struct southbridge_ati_sb700_config *conf;
+ conf = dev->chip_info;
+
+ device_t sm_dev;
+ /* SATA SMBus Disable */
+ /* sm_dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0); */
+ sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
+ /* Disable SATA SMBUS */
+ byte = pci_read_config8(sm_dev, 0xad);
+ byte |= (1 << 1);
+ /* Enable SATA and power saving */
+ byte = pci_read_config8(sm_dev, 0xad);
+ byte |= (1 << 0);
+ byte |= (1 << 5);
+ pci_write_config8(sm_dev, 0xad, byte);
+
+ /* RPR 7.2 SATA Initialization */
+ /* Set the interrupt Mapping to INTG# */
+ byte = pci_read_config8(sm_dev, 0xaf);
+ byte = 0x6 << 2;
+ pci_write_config8(sm_dev, 0xaf, byte);
+
+ /* get rev_id */
+ rev_id = pci_read_config8(sm_dev, 0x08) - 0x28;
+
+ /* get base address */
+ sata_bar5 = pci_read_config32(dev, 0x24) & ~0x3FF;
+ sata_bar0 = pci_read_config16(dev, 0x10) & ~0x7;
+ sata_bar1 = pci_read_config16(dev, 0x14) & ~0x3;
+ sata_bar2 = pci_read_config16(dev, 0x18) & ~0x7;
+ sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x3;
+ sata_bar4 = pci_read_config16(dev, 0x20) & ~0xf;
+
+ printk(BIOS_SPEW, "sata_bar0=%x\n", sata_bar0); /* 3030 */
+ printk(BIOS_SPEW, "sata_bar1=%x\n", sata_bar1); /* 3070 */
+ printk(BIOS_SPEW, "sata_bar2=%x\n", sata_bar2); /* 3040 */
+ printk(BIOS_SPEW, "sata_bar3=%x\n", sata_bar3); /* 3080 */
+ printk(BIOS_SPEW, "sata_bar4=%x\n", sata_bar4); /* 3000 */
+ printk(BIOS_SPEW, "sata_bar5=%x\n", sata_bar5); /* e0309000 */
+
+ /* disable combined mode */
+ byte = pci_read_config8(sm_dev, 0xAD);
+ byte &= ~(1 << 3);
+ pci_write_config8(sm_dev, 0xAD, byte);
+ /* Program the 2C to 0x43801002 */
+ dword = 0x43801002;
+ pci_write_config32(dev, 0x2c, dword);
+
+ /* SERR-Enable */
+ word = pci_read_config16(dev, 0x04);
+ word |= (1 << 8);
+ pci_write_config16(dev, 0x04, word);
+
+ /* Dynamic power saving */
+ byte = pci_read_config8(dev, 0x40);
+ byte |= (1 << 2);
+ pci_write_config8(dev, 0x40, byte);
+
+ /* Set SATA Operation Mode, Set to IDE mode */
+ byte = pci_read_config8(dev, 0x40);
+ byte |= (1 << 0);
+ byte |= (1 << 4);
+ pci_write_config8(dev, 0x40, byte);
+
+ dword = 0x01018f00;
+ pci_write_config32(dev, 0x8, dword);
+
+ byte = pci_read_config8(dev, 0x40);
+ byte &= ~(1 << 0);
+ pci_write_config8(dev, 0x40, byte);
+
+ /* Enable the SATA watchdog counter */
+ byte = pci_read_config8(dev, 0x44);
+ byte |= (1 << 0);
+ pci_write_config8(dev, 0x44, byte);
+
+ /* Set bit 29 and 24 for A12 */
+ dword = pci_read_config32(dev, 0x40);
+ if (rev_id < 0x14) /* before A12 */
+ dword |= (1 << 29);
+ else
+ dword &= ~(1 << 29); /* A14 and above */
+ pci_write_config32(dev, 0x40, dword);
+
+ /* set bit 21 for A12 */
+ dword = pci_read_config32(dev, 0x48);
+ if (rev_id < 0x14) /* before A12 */
+ dword |= 1 << 24 | 1 << 21;
+ else {
+ dword &= ~(1 << 24 | 1 << 21); /* A14 and above */
+ dword &= ~0xFF80; /* 15:7 */
+ dword |= 1 << 15 | 0x7F << 7;
+ }
+ pci_write_config32(dev, 0x48, dword);
+
+ /* Program the watchdog counter to 0x10 */
+ byte = 0x10;
+ pci_write_config8(dev, 0x46, byte);
+ sb700_setup_sata_phys(dev);
+ /* Enable the I/O, MM, BusMaster access for SATA */
+ byte = pci_read_config8(dev, 0x4);
+ byte |= 7 << 0;
+ pci_write_config8(dev, 0x4, byte);
+
+ /* RPR7.7 SATA drive detection. */
+ /* Use BAR5+0x128,BAR0 for Primary Slave */
+ /* Use BAR5+0x1A8,BAR0 for Primary Slave */
+ /* Use BAR5+0x228,BAR2 for Secondary Master */
+ /* Use BAR5+0x2A8,BAR2 for Secondary Slave */
+ /* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary master emulation */
+ /* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */
+
+ /* TODO: port 4,5, which are PATA emulations. What are PATA_BARs? */
+
+ for (i = 0; i < 4; i++) {
+ byte = read8(sata_bar5 + 0x128 + 0x80 * i);
+ printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
+ byte &= 0xF;
+ if( byte == 0x1 ) {
+ /* If the drive status is 0x1 then we see it but we aren't talking to it. */
+ /* Try to do something about it. */
+ printk(BIOS_SPEW, "SATA device detected but not talking. Trying lower speed.\n");
+
+ /* Read in Port-N Serial ATA Control Register */
+ byte = read8(sata_bar5 + 0x12C + 0x80 * i);
+
+ /* Set Reset Bit and 1.5g bit */
+ byte |= 0x11;
+ write8((sata_bar5 + 0x12C + 0x80 * i), byte);
+
+ /* Wait 1ms */
+ mdelay(1);
+
+ /* Clear Reset Bit */
+ byte &= ~0x01;
+ write8((sata_bar5 + 0x12C + 0x80 * i), byte);
+
+ /* Wait 1ms */
+ mdelay(1);
+
+ /* Reread status */
+ byte = read8(sata_bar5 + 0x128 + 0x80 * i);
+ printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
+ byte &= 0xF;
+ }
+
+ if (byte == 0x3) {
+ for (j = 0; j < 10; j++) {
+ if (!sata_drive_detect(i, ((i / 2) == 0) ? sata_bar0 : sata_bar2))
+ break;
+ }
+ printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n",
+ (i / 2) ? "Secondary" : "Primary",
+ (i % 2 ) ? "Slave" : "Master",
+ (j == 10) ? "not " : "",
+ (j == 10) ? j : j + 1);
+ } else {
+ printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n",
+ (i / 2) ? "Secondary" : "Primary",
+ (i % 2 ) ? "Slave" : "Master", i);
+ }
+ }
+
+ /* Below is CIM InitSataLateFar */
+ /* Enable interrupts from the HBA */
+ byte = read8(sata_bar5 + 0x4);
+ byte |= 1 << 1;
+ write8((sata_bar5 + 0x4), byte);
+
+ /* Clear error status */
+ write32((sata_bar5 + 0x130), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x1b0), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x230), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x2b0), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x330), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x3b0), 0xFFFFFFFF);
+
+ /* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */
+ /* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */
+
+ /* word = 0x0000; */
+ /* word = pm_ioread(0x28); */
+ /* byte = pm_ioread(0x29); */
+ /* word |= byte<<8; */
+ /* printk(BIOS_DEBUG, "AcpiGpe0Blk addr = %x\n", word); */
+ /* write32(word, 0x80000000); */
+}
+
+static struct pci_operations lops_pci = {
+ /* .set_subsystem = pci_dev_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 = &lops_pci,
+};
+
+static const struct pci_driver sata0_driver __pci_driver = {
+ .ops = &sata_ops,
+ .vendor = PCI_VENDOR_ID_ATI,
+ .device = PCI_DEVICE_ID_ATI_SB700_SATA,
+};