* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008 Carl-Daniel Hailfinger
*
* 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
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <types.h>
-#include <lib.h>
-#include <console.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <delay.h>
#include <device/pci.h>
-#include <msr.h>
-#include <legacy.h>
#include <device/pci_ids.h>
-#include <statictree.h>
-#include <config.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
#include "sb600.h"
+#include <pc80/mc146818rtc.h>
+
+#define SATA_MODE_IDE 1
+#define SATA_MODE_AHCI 0
+
+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 populated.
+ */
+ 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;
+}
static void sata_init(struct device *dev)
{
u8 byte;
u16 word;
u32 dword;
- u8 *sata_bar5;
+ u32 sata_bar5;
u16 sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4;
+ int i, j;
- struct southbridge_ati_sb600_sata_dts_config *conf;
- conf = dev->device_configuration;
+ struct southbridge_ati_sb600_config *conf;
+ conf = dev->chip_info;
- struct device * sm_dev;
+ 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));
byte = 0x6 << 2;
pci_write_config8(sm_dev, 0xaf, byte);
- /* get base addresss */
- sata_bar5 = (u8 *) (pci_read_config32(dev, 0x24) & ~0x3FF);
+ /* 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) & ~0x7;
+ sata_bar1 = pci_read_config16(dev, 0x14) & ~0x3;
sata_bar2 = pci_read_config16(dev, 0x18) & ~0x7;
- sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x7;
- sata_bar4 = pci_read_config16(dev, 0x20) & ~0x7;
-
- printk(BIOS_DEBUG, "sata_bar0=%x\n", sata_bar0); /* 3030 */
- printk(BIOS_DEBUG, "sata_bar1=%x\n", sata_bar1); /* 3070 */
- printk(BIOS_DEBUG, "sata_bar2=%x\n", sata_bar2); /* 3040 */
- printk(BIOS_DEBUG, "sata_bar3=%x\n", sata_bar3); /* 3080 */
- printk(BIOS_DEBUG, "sata_bar4=%x\n", sata_bar4); /* 3000 */
- printk(BIOS_DEBUG, "sata_bar5=%x\n", sata_bar5); /* e0309000 */
+ sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x3;
+ sata_bar4 = pci_read_config16(dev, 0x20) & ~0xf;
- /* Program the 2C to 0x43801002 */
- dword = 0x43801002;
- pci_write_config32(dev, 0x2c, dword);
+ 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 */
/* SERR-Enable */
word = pci_read_config16(dev, 0x04);
byte |= (1 << 2);
pci_write_config8(dev, 0x40, byte);
- /* Set SATA Operation Mode, Set to IDE mode */
+ /* Set SATA Operation Mode */
byte = pci_read_config8(dev, 0x40);
byte |= (1 << 0);
byte |= (1 << 4);
pci_write_config8(dev, 0x40, byte);
- dword = 0x01018f00;
+ // 1 means IDE, 0 means AHCI
+ if( get_option(&i, "sata_mode") < 0 ) {
+ // no cmos option
+ i = CONFIG_SATA_MODE;
+ }
+ printk(BIOS_INFO, "%s: setting sata mode = %s\n", __func__, (i == SATA_MODE_IDE)?"ide":"ahci" );
+
+ dword = pci_read_config32(dev, 0x8);
+ dword &= 0xff0000ff;
+ if (i == SATA_MODE_IDE)
+ dword |= 0x00018f00; // IDE mode
+ else
+ dword |= 0x00060100; // AHCI mode
pci_write_config32(dev, 0x8, dword);
byte = pci_read_config8(dev, 0x40);
dword |= 1 << 25;
pci_write_config32(dev, 0x40, dword);
- /* Enable the I/O ,MM ,BusMaster access for SATA */
+ /* Enable the I/O, MM, BusMaster access for SATA */
byte = pci_read_config8(dev, 0x4);
byte |= 7 << 0;
pci_write_config8(dev, 0x4, byte);
- /* RPR6.6 SATA drive detection. Currently we detect Primary Master Device only */
- /* Use BAR5+0x1A8,BAR0+0x6 for Primary Slave */
- /* Use BAR5+0x228,BAR0+0x6 for Secondary Master */
- /* Use BAR5+0x2A8,BAR0+0x6 for Secondary Slave */
-
- byte = readb(sata_bar5 + 0x128);
- printk(BIOS_DEBUG, "byte=%x\n", byte);
- byte &= 0xF;
- if (byte == 0x3) {
- outb(0xA0, sata_bar0 + 0x6);
- while ((inb(sata_bar0 + 0x6) != 0xA0)
- || ((inb(sata_bar0 + 0x7) & 0x88) != 0)) {
- mdelay(10);
- printk(BIOS_DEBUG, "0x6=%x,0x7=%x\n", inb(sata_bar0 + 0x6),
- inb(sata_bar0 + 0x7));
- printk(BIOS_DEBUG, "drive detection fail,trying...\n");
+ /* RPR6.6 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 */
+
+ 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);
}
- printk(BIOS_DEBUG, "Primary master device is ready\n");
- } else {
- printk(BIOS_DEBUG, "No Primary master SATA drive on Slot0\n");
}
/* Below is CIM InitSataLateFar */
/* Enable interrupts from the HBA */
- byte = readb(sata_bar5 + 0x4);
+ byte = read8(sata_bar5 + 0x4);
byte |= 1 << 1;
- writeb(byte, (sata_bar5 + 0x4));
+ write8((sata_bar5 + 0x4), byte);
/* Clear error status */
- writel(0xFFFFFFFF, (sata_bar5 + 0x130));
- writel(0xFFFFFFFF, (sata_bar5 + 0x1b0));
- writel(0xFFFFFFFF, (sata_bar5 + 0x230));
- writel(0xFFFFFFFF, (sata_bar5 + 0x2b0));
+ write32((sata_bar5 + 0x130), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x1b0), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x230), 0xFFFFFFFF);
+ write32((sata_bar5 + 0x2b0), 0xFFFFFFFF);
/* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */
/* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */
/* byte = pm_ioread(0x29); */
/* word |= byte<<8; */
/* printk(BIOS_DEBUG, "AcpiGpe0Blk addr = %x\n", word); */
- /* writel(0x80000000 , word); */
+ /* write32(word, 0x80000000); */
}
static struct pci_operations lops_pci = {
- /* .set_subsystem = pci_dev_set_subsystem, */
+ .set_subsystem = pci_dev_set_subsystem,
};
-struct device_operations amd8111_ide = {
- .id = {.type = DEVICE_ID_PCI,
- {.pci = {.vendor = PCI_VENDOR_ID_ATI,
- .device = PCI_DEVICE_ID_ATI_SB600_SATA}}},
- .constructor = default_device_constructor,
- .phase4_read_resources = pci_dev_read_resources,
- .phase4_set_resources = pci_dev_set_resources,
- .phase5_enable_resources = pci_dev_enable_resources,
- .phase6_init = sata_init,
- .ops_pci = &lops_pci
-};
\ No newline at end of file
+static struct device_operations sata_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ /* .enable = sb600_enable, */
+ .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_SB600_SATA,
+};