diff options
Diffstat (limited to 'src/southbridge/amd/sb700/sata.c')
-rw-r--r-- | src/southbridge/amd/sb700/sata.c | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/src/southbridge/amd/sb700/sata.c b/src/southbridge/amd/sb700/sata.c deleted file mode 100644 index 292a7f2c9e..0000000000 --- a/src/southbridge/amd/sb700/sata.c +++ /dev/null @@ -1,555 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering - * - * 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. - */ - -#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 <device/mmio.h> -#include <option.h> -#include <types.h> - -#include "sb700.h" - -static int sata_drive_detect(int portnum, uint16_t iobar) -{ - u8 byte, byte2; - u8 byte_prev, byte2_prev; - int i = 0; - byte_prev = byte2_prev = 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)) { - if ((byte != byte_prev) || (byte2 != byte2_prev)) - 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 { - if (i == 0) - printk(BIOS_SPEW, "drive detection not yet completed, " - "waiting...\n"); - } - mdelay(10); - i++; - byte_prev = byte; - byte2_prev = byte2; - - /* Detect stuck SATA controller and attempt reset */ - if (i > 1024) { - printk(BIOS_DEBUG, "drive detection not done after %i ms, " - "resetting HBA and retrying init\n", i * 10); - return 2; - } - } - printk(BIOS_SPEW, "drive detection done after %i ms\n", i * 10); - return 0; -} - -/* This function can be overloaded in mainboard.c */ -void __weak sb7xx_51xx_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); -} - -/* This function can be overloaded in mainboard.c */ -void __weak sb7xx_51xx_setup_sata_port_indication(void *sata_bar5) -{ - uint32_t dword; - - /* RPR7.9 Program Port Indication Registers */ - dword = read32(sata_bar5 + 0xf8); - dword &= ~(0x3f << 12); /* Ports 0 and 1 are eSATA */ - dword |= (0x3 << 12); - dword &= ~0x3f; - write32(sata_bar5 + 0xf8, dword); - - dword = read32(sata_bar5 + 0xfc); - dword |= 0x1 << 20; /* At least one eSATA port is present */ - write32(sata_bar5 + 0xfc, dword); -} - -static void sata_init(struct device *dev) -{ - u8 byte; - u16 word; - u32 dword; - u8 rev_id; - void *sata_bar5; - uint16_t sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4; - uint16_t ide_bar0, ide_bar1, ide_bar2, ide_bar3; - uint16_t current_bar; - int i, j, ret; - uint8_t nvram; - uint8_t sata_ahci_mode; - uint8_t sata_alpm_enable; - uint8_t port_count; - uint8_t max_port_count; - uint8_t ide_io_enabled; - uint8_t ide_legacy_io_enabled; - - sata_ahci_mode = 0; - if (get_option(&nvram, "sata_ahci_mode") == CB_SUCCESS) - sata_ahci_mode = !!nvram; - - sata_alpm_enable = 0; - if (get_option(&nvram, "sata_alpm") == CB_SUCCESS) - sata_alpm_enable = !!nvram; - - struct device *sm_dev; - /* SATA SMBus Disable */ - sm_dev = pcidev_on_root(0x14, 0); - - /* WARNING - * Enabling the SATA link latency enhancement (SMBUS 0xAD bit 5) - * causes random persistent drive detection failures until it is cleared, - * with the probabability of detection failure rising exponentially with - * the number of drives attached to the controller! - * This happens on Rev15 H/W. - * Do NOT follow the RPR advice; leave this bit set at all times... - */ - byte = pci_read_config8(sm_dev, 0xad); - /* Disable SATA SMBUS */ - byte |= (1 << 1); - /* Enable SATA and power saving */ - byte |= (1 << 0); - /* Disable link latency enhancement */ - byte |= (1 << 5); - pci_write_config8(sm_dev, 0xad, byte); - - /* Take the PHY logic out of reset */ - word = pci_read_config16(dev, 0x84); - word |= 0x1 << 2; - word &= ~0x1f8; - pci_write_config16(dev, 0x84, word); - - /* get rev_id */ - rev_id = pci_read_config8(sm_dev, 0x08) - 0x28; - - printk(BIOS_SPEW, "rev_id=%x\n", rev_id); - - /* Enable combined mode */ - byte = pci_read_config8(sm_dev, 0xad); - byte |= (1 << 3); - pci_write_config8(sm_dev, 0xad, byte); - - struct device *ide_dev; - /* IDE Device */ - ide_dev = pcidev_on_root(0x14, 1); - - /* Disable legacy IDE mode (enable PATA_BAR0/2) */ - byte = pci_read_config8(ide_dev, 0x09); - ide_legacy_io_enabled = !(byte & 0x1); - byte |= 0x1; - pci_write_config8(ide_dev, 0x09, byte); - - /* Enable IDE I/O access (enable PATA_BAR0/2) */ - byte = pci_read_config8(ide_dev, 0x04); - ide_io_enabled = byte & 0x1; - byte |= 0x1; - pci_write_config8(ide_dev, 0x04, 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 base address */ - sata_bar5 = (void *)(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=%p\n", sata_bar5); /* e0309000 */ - - ide_bar0 = pci_read_config16(ide_dev, 0x10) & ~0x7; - ide_bar1 = pci_read_config16(ide_dev, 0x14) & ~0x3; - ide_bar2 = pci_read_config16(ide_dev, 0x18) & ~0x7; - ide_bar3 = pci_read_config16(ide_dev, 0x1c) & ~0x3; - printk(BIOS_SPEW, "ide_bar0=%x\n", ide_bar0); - printk(BIOS_SPEW, "ide_bar1=%x\n", ide_bar1); - printk(BIOS_SPEW, "ide_bar2=%x\n", ide_bar2); - printk(BIOS_SPEW, "ide_bar3=%x\n", ide_bar3); - - /* Program the Subsystem ID/VID 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); - - /* Unlock subclass and certain BAR R/O registers */ - byte = pci_read_config8(dev, 0x40); - byte |= (1 << 0); - pci_write_config8(dev, 0x40, byte); - - /* Disable AHCI enhancement (AMD SP5100 RPR page 54) */ - dword = pci_read_config32(dev, 0x40); - dword |= (1 << 23); - pci_write_config32(dev, 0x40, dword); - - if (sata_ahci_mode) { - /* Force number of ports to 6 - * NOTE: This is not documented in the register - * reference guide, but CIMX needs to do this - * to activate all 6 ports when IDE is disabled. - */ - dword = read32(sata_bar5 + 0x00); - dword &= ~0x7; - dword |= 0x5; - write32(sata_bar5 + 0x00, dword); - } else { - /* Set SATA Operation Mode, Set to IDE mode */ - byte = pci_read_config8(dev, 0x40); - byte |= (1 << 4); - pci_write_config8(dev, 0x40, byte); - - dword = 0x01018f00; - pci_write_config32(dev, 0x8, dword); - } - - /* Get maximum number of ports */ - max_port_count = read32(sata_bar5 + 0x00) & 0x1f; - max_port_count++; - printk(BIOS_SPEW, "Maximum SATA port count supported by silicon: %d\n", max_port_count); - - /* Set number of ports */ - dword = CONFIG_SOUTHBRIDGE_AMD_SB700_SATA_PORT_COUNT_BITFIELD; - for (i = max_port_count; i < 32; i++) - dword &= ~(0x1 << i); - write32(sata_bar5 + 0x0c, dword); - - /* Disable ALPM if ALPM support not requested */ - if (!sata_alpm_enable) { - dword = read32(sata_bar5 + 0xfc); - dword &= ~(0x1 << 11); /* Disable ALPM */ - write32(sata_bar5 + 0xfc, dword); - } - - /* Enable SATA ports */ - byte = pci_read_config8(dev, 0x42); - if (max_port_count <= 6) { - byte |= 0x3f; - for (i = 0; i < max_port_count; i++) - byte &= ~(0x1 << i); - } else { - byte &= ~0x3f; - } - pci_write_config8(dev, 0x42, byte); - - if (sata_ahci_mode) { - /* FIXME - * SeaBIOS does not know how to spin - * up the drives and therefore hangs - * in AHCI init if this is enabled... - */ - /* Enable staggered spin-up */ - dword = read32(sata_bar5 + 0x00); -#if 0 - dword |= 0x1 << 27; -#else - dword &= ~(0x1 << 27); -#endif - write32(sata_bar5 + 0x00, dword); - - /* Reset the HBA to avoid stuck drives in SeaBIOS */ - dword = read32(sata_bar5 + 0x04); - dword |= 0x1; - write32(sata_bar5 + 0x04, dword); - } - - sb7xx_51xx_setup_sata_phys(dev); - sb7xx_51xx_setup_sata_port_indication(sata_bar5); - - /* Write protect Sub-Class Code */ - 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 | 1 << 6; - } - pci_write_config32(dev, 0x48, dword); - - /* Program the watchdog counter to 0x10 */ - byte = 0x10; - pci_write_config8(dev, 0x46, byte); - - /* Enable the I/O, MM, BusMaster access for SATA */ - byte = pci_read_config8(dev, 0x4); - byte |= 7 << 0; - pci_write_config8(dev, 0x4, byte); - -#if CONFIG(SOUTHBRIDGE_AMD_SUBTYPE_SP5100) - /* Master Latency Timer */ - pci_write_config32(dev, 0xC, 0x00004000); -#endif - - /* Determine port count */ - port_count = 0; - for (i = 0; i < 32; i++) { - if (CONFIG_SOUTHBRIDGE_AMD_SB700_SATA_PORT_COUNT_BITFIELD & (0x1 << i)) - port_count = i; - } - port_count++; - if (port_count > max_port_count) - port_count = max_port_count; - - /* Send COMRESET to all ports */ - for (i = 0; i < port_count; i++) { - /* Read in Port-N Serial ATA Control Register */ - byte = read8(sata_bar5 + 0x12C + 0x80 * i); - - /* Set Reset Bit */ - byte |= 0x1; - 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); - } - - /* 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 */ - for (i = 0; i < port_count; 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 (i < 4) - current_bar = ((i / 2) == 0) ? sata_bar0 : sata_bar2; - else - current_bar = (pci_read_config8(sm_dev, 0xad) & (0x1 << 4)) - ? ide_bar2 : ide_bar0; - ret = sata_drive_detect(i, current_bar); - if (ret == 0) { - break; - } else if (ret == 2) { - /* Read in Port-N Serial ATA Control Register */ - byte = read8(sata_bar5 + 0x12C + 0x80 * i); - - /* Set Reset Bit */ - byte |= 0x1; - write8((sata_bar5 + 0x12C + 0x80 * i), byte); - - /* Wait 1000ms */ - mdelay(1000); - - /* Clear Reset Bit */ - byte &= ~0x01; - write8((sata_bar5 + 0x12C + 0x80 * i), byte); - - /* Wait 1ms */ - mdelay(1); - } - } - if (sata_ahci_mode) - printk(BIOS_DEBUG, "AHCI device %d is %sready after %i tries\n", - i, - (j == 10) ? "not " : "", - (j == 10) ? j : j + 1); - else - 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 { - if (sata_ahci_mode) - printk(BIOS_DEBUG, "No AHCI SATA drive on Slot%i\n", i); - else - printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n", - (i / 2) ? "Secondary" : "Primary", - (i % 2) ? "Slave" : "Master", i); - } - } - - /* Restore IDE I/O access */ - if (!ide_io_enabled) { - byte = pci_read_config8(ide_dev, 0x04); - byte &= ~0x1; - pci_write_config8(ide_dev, 0x04, byte); - } - - /* Re-enable legacy IDE mode */ - if (ide_legacy_io_enabled) { - byte = pci_read_config8(ide_dev, 0x09); - byte &= ~0x1; - pci_write_config8(ide_dev, 0x09, byte); - } - - /* Below is CIM InitSataLateFar */ - if (sata_ahci_mode) { - /* Disable combined mode */ - byte = pci_read_config8(sm_dev, 0xad); - byte &= ~(1 << 3); - pci_write_config8(sm_dev, 0xad, byte); - } else { - /* 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, -}; - -static const struct pci_driver sata1_driver __pci_driver = { - .ops = &sata_ops, - .vendor = PCI_VENDOR_ID_ATI, - .device = PCI_DEVICE_ID_ATI_SB700_SATA_AHCI, -}; - -static const struct pci_driver sata2_driver __pci_driver = { - .ops = &sata_ops, - .vendor = PCI_VENDOR_ID_ATI, - .device = PCI_DEVICE_ID_ATI_SB700_SATA_AHCI_AMD, -}; |