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authorLee Leahy <leroy.p.leahy@intel.com>2015-05-12 18:23:27 -0700
committerLeroy P Leahy <leroy.p.leahy@intel.com>2015-07-16 17:24:48 +0200
commit1d14b3e926c15027f9272f1e80b8913fef8cf25d (patch)
treeb3d89ad4bb1b0ea5ac05d1d7dc6cbf26ec93e6c3 /src/soc/intel/skylake/sata.c
parentb000513741d330947bb832a5835378e35bdfb394 (diff)
downloadcoreboot-1d14b3e926c15027f9272f1e80b8913fef8cf25d.tar.xz
soc/intel: Add Skylake SOC support
Add the files to support the Skylake SOC. Matches chromium tree at 927026db BRANCH=none BUG=None TEST=Build and run on a Skylake platform Change-Id: I80248f7e47eaf13b52e3c7ff951eb1976edbaa15 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/10341 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/skylake/sata.c')
-rw-r--r--src/soc/intel/skylake/sata.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/src/soc/intel/skylake/sata.c b/src/soc/intel/skylake/sata.c
deleted file mode 100644
index d3cf52527d..0000000000
--- a/src/soc/intel/skylake/sata.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2008-2009 coresystems GmbH
- * Copyright (C) 2014 Google 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 <arch/io.h>
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <delay.h>
-#include <soc/iobp.h>
-#include <soc/ramstage.h>
-#include <soc/rcba.h>
-#include <soc/sata.h>
-#include <soc/intel/broadwell/chip.h>
-
-static inline u32 sir_read(struct device *dev, int idx)
-{
- pci_write_config32(dev, SATA_SIRI, idx);
- return pci_read_config32(dev, SATA_SIRD);
-}
-
-static inline void sir_write(struct device *dev, int idx, u32 value)
-{
- pci_write_config32(dev, SATA_SIRI, idx);
- pci_write_config32(dev, SATA_SIRD, value);
-}
-
-static void sata_init(struct device *dev)
-{
- config_t *config = dev->chip_info;
- u32 reg32;
- u8 *abar;
- u16 reg16;
- int port;
-
- printk(BIOS_DEBUG, "SATA: Initializing controller in AHCI mode.\n");
-
- /* Enable BARs */
- pci_write_config16(dev, PCI_COMMAND, 0x0007);
-
- /* Set Interrupt Line */
- /* Interrupt Pin is set by D31IP.PIP */
- pci_write_config8(dev, PCI_INTERRUPT_LINE, 0x0a);
-
- /* Set timings */
- pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE);
- pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE);
-
- /* for AHCI, Port Enable is managed in memory mapped space */
- reg16 = pci_read_config16(dev, 0x92);
- reg16 &= ~0xf;
- reg16 |= 0x8000 | config->sata_port_map;
- pci_write_config16(dev, 0x92, reg16);
- udelay(2);
-
- /* Setup register 98h */
- reg32 = pci_read_config32(dev, 0x98);
- reg32 &= ~((1 << 31) | (1 << 30));
- reg32 |= 1 << 23;
- reg32 |= 1 << 24; /* Enable MPHY Dynamic Power Gating */
- pci_write_config32(dev, 0x98, reg32);
-
- /* Setup register 9Ch */
- reg16 = 0; /* Disable alternate ID */
- reg16 = 1 << 5; /* BWG step 12 */
- pci_write_config16(dev, 0x9c, reg16);
-
- /* SATA Initialization register */
- reg32 = 0x183;
- reg32 |= (config->sata_port_map ^ 0xf) << 24;
- reg32 |= (config->sata_devslp_mux & 1) << 15;
- pci_write_config32(dev, 0x94, reg32);
-
- /* Initialize AHCI memory-mapped space */
- abar = (u8 *)(pci_read_config32(dev, PCI_BASE_ADDRESS_5));
- printk(BIOS_DEBUG, "ABAR: %p\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 */
- reg32 |= (1 << 18); /* SAM: SATA AHCI MODE ONLY */
- 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)*/
- if (config->sata_devslp_disable) {
- reg32 = read32(abar + 0x24);
- reg32 &= ~(1 << 3);
- write32(abar + 0x24, reg32);
- } else {
- /* Enable DEVSLP */
- reg32 = read32(abar + 0x24);
- reg32 |= (1 << 5)|(1 << 4)|(1 << 3)|(1 << 2);
- write32(abar + 0x24, reg32);
-
- for (port = 0; port < 4; port++) {
- if (!(config->sata_port_map & (1 << port)))
- continue;
- reg32 = read32(abar + 0x144 + (0x80 * port));
- reg32 |= (1 << 1); /* DEVSLP DSP */
- write32(abar + 0x144 + (0x80 * port), reg32);
- }
- }
-
- /*
- * Static Power Gating for unused ports
- */
- reg32 = RCBA32(0x3a84);
- /* Port 3 and 2 disabled */
- if ((config->sata_port_map & ((1 << 3)|(1 << 2))) == 0)
- reg32 |= (1 << 24) | (1 << 26);
- /* Port 1 and 0 disabled */
- if ((config->sata_port_map & ((1 << 1)|(1 << 0))) == 0)
- reg32 |= (1 << 20) | (1 << 18);
- RCBA32(0x3a84) = reg32;
-
- /* Set Gen3 Transmitter settings if needed */
- if (config->sata_port0_gen3_tx)
- pch_iobp_update(SATA_IOBP_SP0_SECRT88,
- ~(SATA_SECRT88_VADJ_MASK <<
- SATA_SECRT88_VADJ_SHIFT),
- (config->sata_port0_gen3_tx &
- SATA_SECRT88_VADJ_MASK)
- << SATA_SECRT88_VADJ_SHIFT);
-
- if (config->sata_port1_gen3_tx)
- pch_iobp_update(SATA_IOBP_SP1_SECRT88,
- ~(SATA_SECRT88_VADJ_MASK <<
- SATA_SECRT88_VADJ_SHIFT),
- (config->sata_port1_gen3_tx &
- SATA_SECRT88_VADJ_MASK)
- << SATA_SECRT88_VADJ_SHIFT);
-
- /* Set Gen3 DTLE DATA / EDGE registers if needed */
- if (config->sata_port0_gen3_dtle) {
- pch_iobp_update(SATA_IOBP_SP0DTLE_DATA,
- ~(SATA_DTLE_MASK << SATA_DTLE_DATA_SHIFT),
- (config->sata_port0_gen3_dtle & SATA_DTLE_MASK)
- << SATA_DTLE_DATA_SHIFT);
-
- pch_iobp_update(SATA_IOBP_SP0DTLE_EDGE,
- ~(SATA_DTLE_MASK << SATA_DTLE_EDGE_SHIFT),
- (config->sata_port0_gen3_dtle & SATA_DTLE_MASK)
- << SATA_DTLE_EDGE_SHIFT);
- }
-
- if (config->sata_port1_gen3_dtle) {
- pch_iobp_update(SATA_IOBP_SP1DTLE_DATA,
- ~(SATA_DTLE_MASK << SATA_DTLE_DATA_SHIFT),
- (config->sata_port1_gen3_dtle & SATA_DTLE_MASK)
- << SATA_DTLE_DATA_SHIFT);
-
- pch_iobp_update(SATA_IOBP_SP1DTLE_EDGE,
- ~(SATA_DTLE_MASK << SATA_DTLE_EDGE_SHIFT),
- (config->sata_port1_gen3_dtle & SATA_DTLE_MASK)
- << SATA_DTLE_EDGE_SHIFT);
- }
-
- /*
- * Additional Programming Requirements for Power Optimizer
- */
-
- /* Step 1 */
- sir_write(dev, 0x64, 0x883c9003);
-
- /* Step 2: SIR 68h[15:0] = 880Ah */
- reg32 = sir_read(dev, 0x68);
- reg32 &= 0xffff0000;
- reg32 |= 0x880a;
- sir_write(dev, 0x68, reg32);
-
- /* Step 3: SIR 60h[3] = 1 */
- reg32 = sir_read(dev, 0x60);
- reg32 |= (1 << 3);
- sir_write(dev, 0x60, reg32);
-
- /* Step 4: SIR 60h[0] = 1 */
- reg32 = sir_read(dev, 0x60);
- reg32 |= (1 << 0);
- sir_write(dev, 0x60, reg32);
-
- /* Step 5: SIR 60h[1] = 1 */
- reg32 = sir_read(dev, 0x60);
- reg32 |= (1 << 1);
- sir_write(dev, 0x60, reg32);
-
- /* Clock Gating */
- sir_write(dev, 0x70, 0x3f00bf1f);
- sir_write(dev, 0x54, 0xcf000f0f);
- sir_write(dev, 0x58, 0x00190000);
- RCBA32_AND_OR(0x333c, 0xffcfffff, 0x00c00000);
-
- reg32 = pci_read_config32(dev, 0x300);
- reg32 |= (1 << 17) | (1 << 16) | (1 << 19);
- reg32 |= (1 << 31) | (1 << 30) | (1 << 29);
- pci_write_config32(dev, 0x300, reg32);
-
- reg32 = pci_read_config32(dev, 0x98);
- reg32 |= 1 << 29;
- pci_write_config32(dev, 0x98, reg32);
-
- /* Register Lock */
- reg32 = pci_read_config32(dev, 0x9c);
- reg32 |= (1 << 31);
- pci_write_config32(dev, 0x9c, reg32);
-}
-
-/*
- * Set SATA controller mode early so the resource allocator can
- * properly assign IO/Memory resources for the controller.
- */
-static void sata_enable(device_t dev)
-{
- /* Get the chip configuration */
- config_t *config = dev->chip_info;
- u16 map = 0x0060;
-
- map |= (config->sata_port_map ^ 0xf) << 8;
-
- pci_write_config16(dev, 0x90, map);
-}
-
-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,
- .enable = &sata_enable,
- .ops_pci = &broadwell_pci_ops,
-};
-
-static const unsigned short pci_device_ids[] = {
- 0x9c03, 0x9c05, 0x9c07, 0x9c0f, /* LynxPoint-LP */
- 0x9c83, 0x9c85, 0x282a, 0x9c87, 0x282a, 0x9c8f, /* WildcatPoint */
- 0
-};
-
-static const struct pci_driver pch_sata __pci_driver = {
- .ops = &sata_ops,
- .vendor = PCI_VENDOR_ID_INTEL,
- .devices = pci_device_ids,
-};